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Python Jobs in London
Overview
Looking for Python jobs in London? Discover the latest Python developer roles in the heart of the UK tech scene with Haystack. Whether you're an experienced Python engineer or just starting out, our curated job listings connect you with top employers in London’s thriving IT industry. Start your Python career in London today!
Senior Platform Engineer
Inspire People
London
Hybrid
Senior
£80,000
RECENTLY POSTED
+3

Join a team at the heart of the global economy! The Department for Business and Trade (‘DBT’) bring an exciting opportunity for Senior Platform Engineers to work on critical platforms that support how digital services are built and operated across the organisation. You will contribute to scaling a major AWS global product platform and provide development teams with the tools they need to build, deploy and operate services effectively. £63,824 - £83,778 (dependant on location) plus 29% pension contribution and other excellent Civil Service benefits. Flexible, hybrid working from 7 UK locations.

About DBT

The Department for Business and Trade (DBT) is the department for economic growth. The Government Digital and Data (GDaD) directorate develops and operates tools and services to support businesses to invest, grow and export, creating jobs and opportunities across the country.

Aout role

DBT have now successfully completed the migration of DBT services from GOV.UK PaaS to a new developer platform in AWS. Now, they’re entering the next phase: evolving this platform into a full Platform-as-a-Service (PaaS) offering.

Are you ready to help shape the future of digital delivery at DBT?

We’re looking for Platform Engineers to help DBT build the most performant, secure and feature-rich hosting environment possible, one that puts developer experience front and centre. This is your chance to be part of something transformative, where your work will directly impact how digital services are built and run across government.

If you would like to find out more about the role, the Platform Engineering team and what it’s like to work at DBT, we are holding a Hiring Manager Q&A session for this role where you can virtually ‘meet the team’ on Tuesday 17th February at 12:30pm.

Follow application page for instructions to book your virtual seat.

Responsibilities

As a Senior Platform Engineer, you will work to give development teams the tools for their job, including application performance monitoring, exception, log and metrics aggregation, dashboards, and declarative CI/CD (continuous integration/continuous delivery) pipelines.

You’ll evangelise product teams about service-level indicators, objectives, and error budgets, and negotiate them. You’ll help build and scale our global product platform and participate in an on-call rota for which you will receive an additional allowance.

Specific projects the team are working on include rolling out an observability tool to enhance system monitoring and incident response, streamlining deployment processes to reduce downtime and speed up feature delivery, and developing a CLI tool to automate tasks and boost developer productivity.

Tech stack includes:

  • Amazon Web Services
  • Azure
  • AWS CodePipelines and AWS CodeBuild
  • Terraform & AWS Copilot (CloudFormation)
  • Elastic Container Service (ECS) and Elastic Container Registry (ECR)
  • ElasticSearch/OpenSearch
  • Python and Django framework
  • PostgreSQL as a service (Amazon RDS)
  • Sentry
  • Redis/Elasticache

Essential experience

  • Cloud experience with either Amazon Web Services, Azure or Google Cloud
  • Ability to build code-defined, reliable and well tested infrastructure on top of cloud computing systems - IaC (e.g. Terraform, AWS Copilot, CloudFormation, Pulumi)
  • Experience and fluency in one or more programming languages to write clean and effective code (e.g. Python/Django/Java)
  • Knowledge of Linux/Unix fundamentals and TCP/IP networking
  • Ability to see user impact in the infrastructure and platform changes, including a drive to improve the Developer Experience at every turn
  • Exposure to code testing / knowledge of TDD
  • Experience working in an Agile environment and designing solutions to complex technical problems independently

Desirable experience

  • Experience in designing and implementing Docker images through containerisation
  • Experience in prototyping through reuse of existing Open-Source components

Benefits

In return, you can expect a planned, transparent progression with learning and development tailored to your role, an environment with flexible working options and a culture encouraging inclusion and diversity, plus the following benefits:

  • An excellent Civil Service pension scheme starting at 28.97% employer contribution
  • Flexible, hybrid working from London, Cardiff, Darlington, Edinburgh, Belfast, Birmingham & Salford including options for condensed hours. Minimum 40% office based.
  • Best-in-class training and development tailored to your role with study days and certifications expensed
  • Annual leave starting at 26 days per annum plus statutory bank holidays rising to 33 days with service

Salary

Salary is dependent on location and technical skills as assessed at interview.

London based range: £67,575 to £83,778

National range: £63,824 to £80,158

Further information:

  • Apply at your earliest convenience, no later than 12pm (noon) 23rd February.
  • This role requires you to undergo SC clearance where the requirement is to have been present in the UK for at least 3 of the last 5 years.
  • DBT does not hold a UK Visa & Immigration (UKVI) Skilled Worker License sponsor and are unable to sponsor any individuals for Skilled Worker Sponsorship.

If you are an experienced Platform or a DevOps Engineer with the ability to build reliable and well tested infrastructure on top of cloud computing systems and looking to impact a function that will make a real difference to the UK economy, then apply today or contact Zymante Gintalaite (Zee) at Inspire People in complete confidence for further information.

Senior Security Administrator - Palo Alto
Experis
London
Hybrid
Senior
£200/day - £400/day
RECENTLY POSTED

Security Administrator

6 months

London - hybrid

Inside IR35 - Umbrella only

Role overview:

  • Palo Alto Networks expertise to support and enhance our security operations.
  • Palo Alto Networks provides a comprehensive, AI-powered SASE (Secure Access Service Edge) solution known as Prisma SASE. It is designed to converge networking and security into a single cloud-delivered platform to support hybrid workforces and modern, distributed enterprises
  • You will be responsible for the administration, configuration, policy management, monitoring, and optimisation of Palo Alto security controls, ensuring secure and resilient network operations across enterprise environments.
  • This role is hands-on, need to be comfortable working in complex, regulated, or high-availability environments, partnering with infrastructure, networking, and SOC teams to deliver robust security outcomes.

Key Responsibilities:

Palo Alto Administer, configure, and support Palo Alto NGFWs (PA-Series / VM-Series) including:

  • Security policy rules, NAT, zones, routing, interfaces, HA, and objects

  • App-ID / User-ID / Content-ID, URL filtering, Anti-Spyware, Vulnerability profiles

  • SSL decryption policy management (where applicable) and related operational impacts

  • Work closely with Network Engineers, Cloud/Platform teams, and Service Owners

  • Support projects such as:

    • Firewall migrations, data centre moves, cloud connectivity, segmentation initiatives
    • Zero Trust or least privilege initiatives
    • Integration with SIEM/SOAR tooling

Required Skills:

  • Strong hands-on experience administering Palo Alto NGFWs in enterprise environments
  • Proven experience with Panorama for centralised policy and device management
  • Understanding of:
    • Network security principles (segmentation, least privilege, L3/L4/L7 filtering)
    • TCP/IP, routing (BGP/OSPF helpful), NAT, VPN concepts
  • Skilled troubleshooting ability using logs, packet capture, and CLI diagnostics
  • Experience operating within ITIL-style change management and incident processes
  • Strong documentation skills and ability to communicate clearly to technical/non-technical stakeholders

Desirable Skills (Nice to Have):

  • Palo Alto feature experience:
    • GlobalProtect, site-to-site IPsec VPNs, SSL decryption operations
    • Advanced Threat Prevention tuning, WildFire analysis, DNS Security
  • Cloud security/networking exposure:
    • Azure/AWS/GCP, cloud-native firewalls, transit networking
    • VM-Series deployments, Terraform/automation exposure
  • SIEM integration experience:
    • Splunk / Sentinel / QRadar log forwarding and use-case support
  • Scripting/automation:
    • Python, PowerShell, Ansible, PAN-OS API, IaC patterns
  • Experience in regulated environments (finance, healthcare, government, critical infrastructure)

Certifications:

  • Palo Alto PCCSA / PCNSA / PCNSE (highly desirable)
  • ITIL Foundation (helpful)
  • Security certs: CompTIA Security+, CISSP, CCNP Security (nice to have)
Product Specialist
RedTech Recruitment Ltd
London
Hybrid
Graduate - Junior
Private salary
RECENTLY POSTED

A brilliant opportunity for a talented Graduate to work as a Product Specialist, joining a market-leading disruptive software technology firm in London. Offering excellent training, career progression and prospects, this is a unique opportunity to work for a rapidly expanding machine learning software house. This is an ideal time to join this growing organisation and be guided by some of the brightest minds in this field. On a daily basis, you will be working closely with the sales team to deliver Proof of Concepts and assist with live customer projects for a machine learning platform.
Location: Central London 3 days in office / 2 days remote

Salary: Competitive + bonus + healthcare, pension, etc.
Requirements for Product Specialist

  • A minimum of a 2.1 bachelors from an internationally renowned University in a STEM or Law related discipline
  • At least ABB at A-Level or equivalent UCAS points (please ensure A-Level grades are included on your CV)
  • Basic scripting knowledge in Python or Bash
  • Excellent customer-facing skills
  • You have a sales spark - while this role isn’t a focused sales role, this is required due to the nature of the role
  • A motivated self-starter with a problem-solving attitude
  • Strong aptitude for picking up technologies
  • Ability to work with autonomy and as part of a team
  • Great communication skills with fluent spoken and written English
  • Fluent in Spanish (Business level) would be advantageous

Responsibilities for Product Specialist

  • You will be the main point of contact and liaise with clients, internal teams (predominantly the tech team)
  • Manage live customer projects from planning to final review
  • Provide customer training to new and existing customers
  • Deliver workflow advice to customers using the product
  • Identify significant new projects
  • Basic troubleshooting, and escalation of issues to the tech team
  • Gain an in-depth understanding of the companys technology so you can advise customers how to import/export data
  • Provide updates to the management team on accounts

What this offers

  • Working for an industry-leading software company who have a fantastic track record of successfully hiring and training graduates
  • An exciting opportunity supporting projects on a machine learning platform
  • A good remuneration and benefits package

Applications

If you and bilingual, have top academics and would like to apply, we would love to hear from you. Please ensure when applying you include your degree classification/GPA and your A Level grades (or UCAS equivalent) on your CV. Please send an up-to-date CV via the relevant link.

Were committed to creating an inclusive and accessible recruitment process. If you require reasonable adjustments for your application or during the review process, please highlight this by emailing (if this email address has been removed by the job-board, full details for contact are available on our website).
Keywords: Entry-Level / Trainee / Graduate / Technology Solutions Specialist / AI Product Expert / Customer Success Specialist / Product Relationship Manager / Technical Sales Consultant / Product Advocate / Client Solutions Specialist / Technology Integration Specialist / Customer Engagement Specialist / Solution Architect / Software Engineer / Product Consultant / Customer Experience Manager / Technology Specialist / Product Liaison Officer / Sales Support Specialist / Implementation Consultant / Customer Technology Advisor / Python / Bash

Quantitative Analyst
Spectrum It Recruitment Limited
London
In office
Graduate - Junior
£100,000
RECENTLY POSTED

Excellent opportunity for a Quantitative Analyst who is passionate about sports to join an excellent client’s team based in central London. The successful Quantitative Analyst will join a very talented team and will be expected to interpret, filter, and analyse very large data sets whilst working closely with other analysts and developers.
The successful Quantitative Analyst will be a forward-thinking individual who is more than comfortable working to both their own initiative and as a team. You will ideally be educated to at least MSc in a quantitative subject such as Mathematics, Statistics, Computer Science or Physics and any knowledge with sports betting/trading would be beneficial.

This is an office-based role and as well as very competitive salaries, our client offers an excellent working environment.

Skills required:

  • Proficient in several of the following: Python, C#, C++, Java
  • Mathematical Modelling
  • Mathematical skills, particularly a keen understanding of probabilities and statistics
  • Analytic mindset
  • Strong communication skills
  • Accuracy and attention to detail
  • Experience in data science
  • An interest in sports - Ideally football or cricket

If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson at

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

PySpark Developer
Randstad Digital
London
Fully remote
Senior - Leader
£300/day - £350/day
RECENTLY POSTED

Lead PySpark Engineer (Cloud Migration)

Role Type: 5-Month Contract

Location: Remote (UK-Based)

Experience Level: Lead / Senior (5+ years PySpark)

Role Overview

We are seeking a Lead PySpark Engineer to drive a large-scale data modernisation project, transitioning legacy data workflows into a high-performance AWS cloud environment. This is a hands-on technical role focused on converting legacy SAS code into production-ready PySpark pipelines within a complex financial services landscape.

Key Responsibilities

  • Code Conversion: Lead the end-to-end migration of SAS code (Base SAS, Macros, DI Studio) to PySpark using automated tools (SAS2PY) and manual refactoring.
  • Pipeline Engineering: Design, build, and troubleshoot complex ETL/ELT workflows and data marts on AWS.
  • Performance Tuning: Optimise Spark workloads for execution efficiency, partitioning, and cost-effectiveness.
  • Quality Assurance: Implement clean coding principles, modular design, and robust unit/comparative testing to ensure data accuracy throughout the migration.
  • Engineering Excellence: Maintain Git-based workflows, CI/CD integration, and comprehensive technical documentation.

Technical Requirements

  • PySpark (P3): 5+ years of hands-on experience writing scalable, production-grade PySpark/Spark SQL.
  • AWS Data Stack (P3): Strong proficiency in EMR, Glue, S3, Athena, and Glue Workflows.
  • SAS Knowledge (P1): Solid foundation in SAS to enable the understanding and debugging of legacy logic for conversion.
  • Data Modeling: Expertise in ETL/ELT, dimensions, facts, SCDs, and data mart architecture.
  • Engineering Quality: Experience with parameterisation, exception handling, and modular Python design.

Additional Details

  • Industry: Financial Services experience is highly desirable.
  • Working Pattern: Fully remote with internal team collaboration days.
  • Benefits: 33 days holiday entitlement (pro-rata).

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

Senior Engineer
Bloc Recruitment
London
Hybrid
Senior
£100,000
RECENTLY POSTED

Senior Engineer (Python, TypeScript, React)
Salary £100k + Options
London - 3 Days a week

Company
Building infrastructure that enables proactive, preventative healthcare at national scale.
Today, most healthcare systems are reactive acting only once patients are already unwell. This platform changes that, by helping primary care teams identify risk earlier, intervene sooner, and deliver better outcomes, without adding operational burden to clinicians.

The software already supports millions of patients and hundreds of care providers, and there just getting started. As they scale, doubling down on speed, clarity, and execution, while building a world-class engineering organisation that ships fast and delivers real-world health impact.

The Role
We’re looking for a Senior Software Engineer who cares deeply about building high-quality software and about the outcomes that software creates.
You’ll join a cross-functional squad working closely with Product and Design to ship meaningful features quickly, iterate based on real feedback, and continuously raise the bar on how we build. This is a role for someone who enjoys ownership, thrives in ambiguity, and wants to help shape both our technology and our engineering culture as we grow.

What You’ll Do
Own Delivery

  • Lead technical planning and execution for key initiatives
  • Ship reliable, scalable software that directly improves patient outcomes and clinical efficiency
  • Take features end-to-end — from design through production and iteration

Collaborate Deeply

  • Partner closely with Product and Design to refine requirements and solve real user problems
  • Communicate clearly with stakeholders and keep delivery aligned with impact

Technical Experience

  • Strong experience with Python, TypeScript, and React
  • Comfortable working in cloud environments (AWS preferred)
  • Familiar with modern DevOps practices and production systems
  • 3+ years of recent experience in relevant technologies

Bonus: Experience in healthcare, healthtech, or B2B SaaS environments.

Benefits
Private Pension
Healthcare
Enhanced Maternity/paternity leave
L&D budget
Flexible working
Opportunity to work on groundbreaking and critical medical solutions

Data Scientist
Randstad Technologies Recruitment
London
Remote or hybrid
Mid - Senior
£479/day - £565/day
RECENTLY POSTED

Data Scientist: Country Risk & Advanced Analytics Join an integrated team of economists, political scientists, and computer scientists to shape the strategic decisions of the world’s leading organizations. How You’ll Make an Impact: Innovate: Prototype new approaches for extracting insights from structured and unstructured data. Build: Design and optimize risk models for analytics and generative AI applications using proprietary NLP data. Collaborate: Partner with cross-domain experts to turn non-technical ideas into scalable, interpretable research designs. Deploy: Develop and maintain robust ML pipelines for both experimentation and production.Who You Are: Technical Expert: You have substantial experience with Python or R, and are skilled in querying and analyzing big data. NLP Specialist: You have a proven track record of developing and refining NLP models. Clear Communicator: You can explain complex ML/NLP methodologies to non-technical stakeholders with ease. Methodical: You are familiar with experiment tracking (DVC, Weights & Biases) and model evaluation metrics.Stand Out From the Crowd: Candidates with an advanced degree in ML/NLP, exposure to cloud platforms (AWS, Databricks, Snowflake), or experience in agile, fast-paced environments are highly encouraged to apply or share your updated CV to saisaranya.gummadi @ Randstad Technologies is acting as an Employment Business in relation to this vacancy

Data Engineer
Chris Turner Recruitment Ltd
London
Remote or hybrid
Mid
Private salary
RECENTLY POSTED

The Company This business is a rail software and consulting company with a growing team and a solid foundation of project-based revenue. It works with leading organisations across the UK rail industry, helping them harness data to solve complex operational challenges. Data Engineers are key to this mission - building robust data infrastructure and tooling that powers insights, analytics, and software products used across the rail network. The Role As a Data Engineer, you’ll be part of a collaborative technical team, working across the data lifecycle: from designing ETL pipelines and integrating real-time data streams, to developing APIs and backend systems that deliver rail data securely and reliably. You’ll work closely with engineers, consultants, and project managers to translate real-world rail problems into scalable technical solutions. This role sits at the intersection of software engineering, data architecture, and delivery. Key Responsibilities Data Engineering & Infrastructure • Design and implement robust data pipelines (batch and real-time) for ingesting, transforming, and serving rail-related datasets. • Develop and maintain data APIs and services to support analytics, software features, and reporting tools. • Build data models and storage solutions that balance performance, cost, and scalability. • Contribute to codebases using modern data stack technologies and cloud platforms (e.g., Azure, AWS). Collaborative Delivery • Work with domain consultants and delivery leads to understand client needs and define data solutions. • Participate in agile delivery practices, including sprint planning, reviews, and retrospectives. • Help shape end-to-end solutions — from ingestion and transformation to client-facing features and reporting. Best Practices & Growth • Write clean, well-documented, and tested code following engineering standards. • Participate in design reviews, code reviews, and collaborative development sessions. • Stay up-to-date with new tools and trends in the data engineering space. • Contribute to internal learning sessions, tech talks, and shared documentation. The Candidate You might be a good fit if you have experience with: • Building ETL/ELT pipelines using tools like Kafka, dbt, or custom frameworks. • Working with structured and unstructured data at scale. • Backend development in Python (or similar), and familiarity with data APIs. • Cloud data platforms (e.g., AWS Redshift, Azure Synapse). • SQL and database design for analytics, reporting, and product use. • Agile collaboration with cross-functional teams. You don’t need experience in rail — just curiosity and a willingness to learn the domain

Experienced "Techno-Functional" Business Analyst
Boundaryless Ltd
London
Hybrid
Mid - Senior
Private salary
+3

Company Introduction

Boundaryless is a boutique consulting firm, providing clients with deep expertise in advanced analytics & data forensics, agentic automation, and Artificial Intelligence solutions. We operate around the world, with offices in 7 countries: United Kingdom, France, The Netherlands, Switzerland, India, Sri Lanka, and the USA.

Boundaryless is an equal opportunity employer. While we apply high standards to the experts we hire and the work we deliver, we also strive for diversity. Our team is a living example of this, with 13 nationalities and 50% female employees.

Due to the growing demand from financial services organizations for automation services supporting data transformation and agentic process automation, open positions for Business Analysts who understand operational and regulatory reporting processes in (investment) banking.

Capital Markets knowledge and Finance experience are key components for this role.

Role Description

  • The Technical Data Analyst will support a data transformation and controls program for a top-tier banking client
  • Translate business requirements into technical specifications.
  • Responsible for analyzing, validating, and reconciling large-scale datasets used for operational and regulatory reporting.
  • Work across IT teams to define data requirements, quality rules, and controls for critical data elements. Facilitating the UK issue remediation process by hosting and facilitating conference calls amongst SMEs required to drive items to closure
  • Tracking, adjudication, and reporting of Data Quality issues
  • You will work with team members on topics including data profiling, lineage validation, source-to-target mapping, and root-cause analysis for data issues.
  • Produce clear documentation and evidence to support UAT sign-off, audit reviews, and control attestations.
  • Ensure traceability from data requirement transformation logic quality checks reporting outputs audit evidence.

Location

  • The role supports one of our top-tier banking clients in London (Canary Wharf) and requires a minimum of three days on-site presence.
  • This is a permanent position based in the UK. We will only consider applicants who are eligible to work in the UK. For this role do NOT offer visa sponsorship.

Experience Requirements & Qualifications

  • Minimum 5 years of relevant experience in data analytics, data quality, reporting controls, or data transformation programs (preferably in financial services).
  • Proficiency in SQL (advanced querying, performance tuning, reconciliation logic).
  • Strong proficiency in Python for data analysis and automation (pandas, data validation frameworks, scripting).
  • Experience supporting or validating ETL/ELT pipelines and data quality frameworks (rules, thresholds, exception handling).
  • Working knowledge of Autosys & Apache Airflow (monitoring schedules, reruns, failure triage).
  • Experience with CI/CD tools (Git, Harness, UrbanCode Deploy (UCD), Red Hat OpenShift).
  • Familiarity with AWS S3 for large-scale data storage and dataset movement patterns.
  • Experience supporting Tableau dashboards (data validation, extract refresh checks, reconciliation to source).

Nice-to-Have

  • Ideally, you have experience with tools including PySpark, Spark SQL, Hive, Impala, HDFS, Parquet, and Oracle databases.
  • Experience in regulated or enterprise data environments (investment banking, risk, finance, compliance).
  • Exposure to data governance concepts: critical data elements (CDEs), lineage, data quality dimensions, audit frameworks.
  • Experience working in Agile/Scrum delivery models
  • Knowledge of monitoring/alerting tools for data pipelines and batch operations.
  • Familiarity with regulatory reporting domains or control frameworks (data controls, attestations, audit readiness).
  • Familiarity with Visio, as well as DCRM tools to manage, document and monitor data quality issues

Main tasks and responsibilities

  • Conduct discovery sessions to understand reporting objectives, key datasets, and edge cases.
  • Perform data profiling and produce findings on completeness, accuracy, consistency, and timeliness.
  • Design and execute reconciliation checks (source vs target, pre vs post transformation, report vs underlying data).
  • Support creation of data requirements artifacts (data dictionaries, source-to-target mapping support, business rules, quality rules).
  • Define and maintain data quality checks, exception logs, and analysis on recurring defects.
  • Lead/Support UAT activities for reporting and controls; validate outcomes and document evidence.
  • Produce audit-ready documentation: test packs, control evidence, runbooks, and explainable results.
  • Partner with engineers to troubleshoot data issues and ensure analytical intent is preserved in implementation.
  • Track and communicate risks, dependencies, and changes impacting reporting and control outcomes.

Your application

If you feel you fit this profile, please apply via

Please send your CV as well as an overview of automation projects you have delivered.

Quantitative Analyst
Spectrum IT Recruitment
London
In office
Graduate - Junior
£90,000 - £100,000

Excellent opportunity for a Quantitative Analyst who is passionate about sports to join an excellent client’s team based in central London. The successful Quantitative Analyst will join a very talented team and will be expected to interpret, filter, and analyse very large data sets whilst working closely with other analysts and developers.
The successful Quantitative Analyst will be a forward-thinking individual who is more than comfortable working to both their own initiative and as a team. You will ideally be educated to at least MSc in a quantitative subject such as Mathematics, Statistics, Computer Science or Physics and any knowledge with sports betting/trading would be beneficial.

This is an office-based role and as well as very competitive salaries, our client offers an excellent working environment.

Skills required:

  • Proficient in several of the following: Python, C#, C++, Java
  • Mathematical Modelling
  • Mathematical skills, particularly a keen understanding of probabilities and statistics
  • Analytic mindset
  • Strong communication skills
  • Accuracy and attention to detail
  • Experience in data science
  • An interest in sports - Ideally football or cricket

If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson at (url removed)

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Lead Data Engineer - Azure Synapse
Cathcart Technology
Watford
Hybrid
Senior
£550/day - £600/day

Lead Data Engineer (Azure Synapse) - Watford - 550- 600/day - Outside IR35

Global organisation in Watford is seeking a hands-on Lead Data Engineer to review and modernise their data engineering practice. You’ll consolidate pipelines, implement best practices, and lead a small team - while remaining actively involved in delivery.

3-month contract with a strong chance of extension.

What you’ll do:

  • Build and optimise Azure Synapse pipelines and integrations
  • Apply Lakehouse / ADLS Gen2 patterns and medallion architecture
  • Lead and mentor engineers while delivering hands-on
  • Ensure secure, scalable, production-ready engineering
  • Coding across SQL, Python, CI/CD, DevOps

You’ll need:

  • Experience in data engineering, including strong expertise in Azure Synapse
  • Experience stabilising/modernising live platforms
  • Strong SQL, Python, performance tuning, and security focus
  • Exposure to multiple source systems (Finance, CRM, ERP)

Hybrid working (2-3 days onsite), competitive rate, outside IR35.

Apply now or contact Andy Weir at Cathcart Technology.

Cathcart Technology is acting as an Employment Business in relation to this vacancy.

PySpark Developer
Randstad Technologies Recruitment
London
Fully remote
Senior - Leader
£300/day - £350/day

Lead PySpark Engineer (Cloud Migration)

Role Type: 5-Month Contract

Location: Remote (UK-Based)

Experience Level: Lead / Senior (5+ years PySpark)

Role Overview

We are seeking a Lead PySpark Engineer to drive a large-scale data modernisation project, transitioning legacy data workflows into a high-performance AWS cloud environment. This is a hands-on technical role focused on converting legacy SAS code into production-ready PySpark pipelines within a complex financial services landscape.

Key Responsibilities

  • Code Conversion: Lead the end-to-end migration of SAS code (Base SAS, Macros, DI Studio) to PySpark using automated tools (SAS2PY) and manual refactoring.
  • Pipeline Engineering: Design, build, and troubleshoot complex ETL/ELT workflows and data marts on AWS.
  • Performance Tuning: Optimise Spark workloads for execution efficiency, partitioning, and cost-effectiveness.
  • Quality Assurance: Implement clean coding principles, modular design, and robust unit/comparative testing to ensure data accuracy throughout the migration.
  • Engineering Excellence: Maintain Git-based workflows, CI/CD integration, and comprehensive technical documentation.

Technical Requirements

  • PySpark (P3): 5+ years of hands-on experience writing scalable, production-grade PySpark/Spark SQL.
  • AWS Data Stack (P3): Strong proficiency in EMR, Glue, S3, Athena, and Glue Workflows.
  • SAS Knowledge (P1): Solid foundation in SAS to enable the understanding and debugging of legacy logic for conversion.
  • Data Modeling: Expertise in ETL/ELT, dimensions, facts, SCDs, and data mart architecture.
  • Engineering Quality: Experience with parameterisation, exception handling, and modular Python design.

Additional Details

  • Industry: Financial Services experience is highly desirable.
  • Working Pattern: Fully remote with internal team collaboration days.
  • Benefits: 33 days holiday entitlement (pro-rata).

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

Data Technical Lead
Deerfoot Recruitment Solutions Limited
London
Hybrid
Senior
Private salary

Data Engineering Technical Lead
Global Investment Bank
London - Hybrid
Permanent - Excellent Package + Benefits

We are working with one of the world’s leading banking groups, who we have partnered with for 15 years. We are seeking an experienced Data Architect/EDM Developer/Data Engineering Lead to join their International Technology team in London.

You will be a key part of the Architecture, Middleware, Data & Enterprise Services (AMD) division, driving data engineering, integration and automation initiatives across our clients EMEA banking and securities entities. This is a hands-on leadership role, combining technical expertise with mentoring and team leadership.

Key Responsibilities

  • Architect, design and deliver enterprise-wide EDM and data solutions.
  • Lead and mentor EDM developers, ensuring high-quality, cost-effective delivery.
  • Drive data innovation, automation and best practices across EMEA.
  • Translate business requirements into functional and technical designs.
  • Ensure compliance with SDLC, governance, and risk policies.

Skills & Experience - Essential

  • Strong SQL Server or Snowflake skills.
  • Advanced knowledge of low-code/no-code data engineering/ETL tools - ideally Markit EDM (v19.2+) or similar (eg Informatica).
  • Proven delivery experience in Financial Services/Banking sector.
  • Deep understanding of SDLC, systems integration, and data warehousing.
  • Ability to gather requirements and liaise effectively with business stakeholders.

Desirable Skills

  • Cloud (AWS/Azure), Python, PowerShell, APIs.
  • Data pipelines, lineage, automation.
  • BI tools (Power BI, Tableau, SSRS).
  • Modern data architectures (lakehouse, data mesh).
  • CI/CD, GitHub, Control-M, dbt/Databricks.

This is an opportunity to join a global top-5 bank with long-term stability, world-class resources, and clear career progression routes.

Enterprise Data Architect, EDM Developer, Data Engineering Lead, Data Architect, ETL Developer, Data Solutions Architect, Senior Data Engineer (Financial Services).

Apply today for full details.

Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate £1 to The Born Free Foundation. We are a Climate Action Workforce in partnership with Ecologi. If this role isn’t right for you, explore our referral reward program with payouts at interview and placement milestones. Visit our website for details. Deerfoot Recruitment Solutions Ltd is acting as an Employment Agency in relation to this vacancy.

Linux Support Engineer
Spectrum IT Recruitment
Staines
In office
Junior - Mid
£45,000 - £50,000

Linux Support Engineer required by a market leading technology company based in Staines. Due to continued success and planned expansion the company are looking to hire an ambitious Linux Support Engineer to join their existing team.

The successful Linux Support Engineer should have experience working with Linux-based systems and be a keen problem solver with excellent communication skills. You will be working with the operations team in the roll-out and maintenance of their core SaaS product.

Responsibilities will include;

  • Working with solution architects to implement roll-out of software
  • Troubleshooting issues using Linux tools and scripting
  • Hardware/Software migration
  • Customer installation and support

Essential Experience;

  • Customer facing experience
  • Linux i.e. CentOS/RHEL
  • Scripting languages i.e. Shell, PERL, Python, PHP
  • Knowledge of IP, HTTP and DNS
  • Enthusiasm to problem solve and investigate new technologies

If you are looking for an opportunity of this nature, please get in touch for more information.

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Senior Software Engineer (Betting/Trading)
Rise Technical Recruitment
London
Hybrid
Senior
£75,000 - £85,000

Canary Wharf, London (Hybrid)
75,000 - 85,000 + Holiday + Pension

This is an excellent opportunity for an experienced developer to join a disruptive technology start-up at a pivotal moment of growth. If you are a versatile engineer who enjoys working across the full development lifecycle from technical design to rollout and want to see your code directly impact products in the high-stakes worlds of professional sports and real-time betting, this role is for you.

This company is focused on developing a new betting platform, alongside cutting-edge sports equipment, that play a key part in feeding back analytics, for athlete welfare and live betting odds. They offer a fast-paced environment where you can shape the technical future and join at an exciting time for the business during this early phase of growth.

In this varied role, you will lead the technical development of the betting platform and will work closely with Product Managers to define requirements, collaborate with third-party developers, and ensure the seamless rollout of new releases through end-to-end testing. As a senior member of a small, dynamic team, you will also play a key role in system support and problem solving to ensure high-performance service delivery.

The ideal candidate will be a hands-on developer proficient in Python, TypeScript, Golang, Node JS, and React, with a strong understanding of both Postgres and NoSQL databases. You should have the ability to translate complex technical concepts into clear documentation. Experience with real-time systems (such as finance or trading), AWS, and CI/CD pipelines will be highly advantageous, as will any familiarity with IoT, firmware, or data science.

This is a fantastic opportunity to secure a role in a fast-paced, hands-on environment. You will have the chance to shape the future of a real-time analytics betting platform, while benefiting from a hybrid working model and a culture that values initiative, adaptability, and continuous learning.

The Role:

  • Full lifecycle development from requirements and technical design to production and rollout.
  • Drive the evolution of Betting Platform and IOT systems.
  • Execute end-to-end tests and documentation to ensure fault-free releases.
  • Liaise with internal stakeholders and third-party partners.

The Person:

  • Experience with Postgres/NoSQL and Python, Go, or Node JS.
  • Comfortable in a fast-paced, hybrid start-up environment.
  • Ability to author technical reports and explain complex ideas to varied audiences.
  • Knowledge of AWS/Terraform, CI/CD, sports betting systems, or firmware/electronics.

Reference Number: BBBH(phone number removed)

Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles.

The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client.

We are an equal opportunities company and welcome applications from all suitable candidates.

Software Engineer
Rise Technical Recruitment
London
Hybrid
Mid - Senior
£60,000 - £70,000

Canary Wharf, London (Hybrid)
60,000 - 70,000 + Holiday + Pension

This is an excellent opportunity for an experience developer to join a disruptive technology start-up at a pivotal moment of growth. If you are a versatile engineer who enjoys working across the full development lifecycle from technical design to rollout and want to see your code directly impact products in the high-stakes worlds of professional sports and real-time betting, this role is for you.

This company is focused on developing a new betting platform, alongside cutting-edge sports equipment, that play a key part in feeding back analytics, for athlete welfare and live betting odds. They offer a fast-paced environment where you can shape the technical future and join at an exciting time for the business during this early phase of growth.

In this varied role, you will lead the technical development of the betting platform and will work closely with Product Managers to define requirements, collaborate with third-party developers, and ensure the seamless rollout of new releases through end-to-end testing. As a senior member of a small, dynamic team, you will also play a key role in system support and problem solving to ensure high-performance service delivery.

The ideal candidate will have around 3+ years’ experience and be a hands-on developer proficient in Python, TypeScript, Golang, Node JS, and React, with a strong understanding of both Postgres and NoSQL databases. You should have the ability to translate complex technical concepts into clear documentation. Experience with real-time systems (such as finance or trading), AWS, and CI/CD pipelines will be highly advantageous, as will any familiarity with IoT, firmware, or data science.

This is a fantastic opportunity to secure a role in a fast-paced, hands-on environment. You will have the chance to shape the future of a real-time analytics betting platform, while benefiting from a hybrid working model and a culture that values initiative, adaptability, and continuous learning.

The Role:

  • Full lifecycle development from requirements and technical design to production and rollout.
  • Drive the evolution of Betting Platform and IOT systems.
  • Execute end-to-end tests and documentation to ensure fault-free releases.
  • Liaise with internal stakeholders and third-party partners.

The Person:

  • Experience with Postgres/NoSQL and Python, Go, or Node JS.
  • Comfortable in a fast-paced, hybrid start-up environment.
  • Ability to author technical reports and explain complex ideas to stakeholders
  • Knowledge of AWS/Terraform, CI/CD
  • Desirable to have previous sports betting systems and firmware/electronics experience

Reference Number: BBBH

Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles.

The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client.

We are an equal opportunities company and welcome applications from all suitable candidates.

Data Lineage Developer - Banking
GCS
London
Hybrid
Mid - Senior
£400/day - £415/day

Data Lineage Developer for Tier 1 bank in Canary Wharf

Role - Data Lineage Developer

Duration - 6 months with very likely extension

Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office

Rate - £415 per day (Inside IR35)

Tech Stack

  • C#
  • Oracle
  • PL/SQL
  • Data Lineage
  • Data Mapping
  • Data Flows
  • Documentation

Role

  • Primary responsibility will be to reverse-engineer complex source code to document data flows and transformations. You will collaborate closely with application teams, DBAs, and data governance specialists to ensure that lineage artifacts are complete and aligned with organizational standards. Your work will help enhance the understanding of our data assets, enabling better decision-making across the organization.

Tasks

  • Analyse C#/.NET application source code to identify SQL interactions and data flows.
  • Review Oracle PL/SQL scripts, stored procedures, and ETL logic to document transformations and dependencies.
  • Extract and organize technical details for lineage mapping, ensuring clarity and accuracy.
  • Collaborate with Collibra engineers to register lineage and metadata assets in the Collibra platform.
  • Validate lineage completeness through cross-team communication with DBAs and application developers.
  • Manage version control for analysed source code and related documentation, ensuring all updates are tracked and aligned with established governance standards.
  • Provide technical insights to resolve ambiguities in code logic and database interactions.

Key Skills & Requirements:

  • Strong proficiency in C#/.NET and Oracle PL/SQL, including complex query analysis and performance tuning.
  • Solid understanding of Application Server and Oracle database structures.
  • Python Scripting skills for automation or data analysis (desirable).
  • Familiarity with data lineage concepts and metadata management.
  • Experience with Collibra or similar data governance tools (preferred but not mandatory).
  • Ability to interpret complex source code and explain findings to both technical and non-technical stakeholders.
  • Strong documentation skills for creating clear, structured lineage artifacts.
  • Demonstrated ability to collaborate and communicate effectively with system owners and DBAs, accurately documenting technical requirements.
  • Ability to work collaboratively across multiple teams and time zones.

GCS is acting as an Employment Business in relation to this vacancy.

Data Engineer - (Python, SQL, Machine Learning) - Robotics
Randstad Technologies Recruitment
London
In office
Mid
£80,000 - £120,000

Data Engineer - (Python, SQL, Machine Learning, AI, Cloud Storage) - Robotics/AI

My global AI & Robotics client is looking for an experienced Data Engineer to join their data engineering team based in London.

This is a data engineering role so you are expecting to have in-depth technical knowledge of Python, SQL, Machine Learning, AI, Cloud Storage and managing large data sets.

A commercial background or a demonstrable strong interest in robotics & AI is highly preferred for this role.

Essential Skills

  • Bachelor’s or Master’s degree in Data Science, Computer Science, or a related field.
  • Experience in data engineering, data quality management, or a similar role.
  • Strong proficiency in Python, SQL, and data processing frameworks.
  • Knowledge of machine learning and its data requirements.
  • Attention to detail and a strong commitment to data integrity.
  • Excellent problem-solving skills and ability to work in a fast-paced environment.

Desirable Skills

  • Experience in robotics or a related field.
  • Familiarity with cloud-based data storage and processing solutions.
  • Passion for contributing to the development of advanced humanoid robots

Responsibilities

  • Curate, preprocess, and manage large datasets used for training humanoid robots.
  • Ensure the quality, accuracy, and consistency of data across multiple projects.
  • Collaborate with the machine learning team to design data pipelines that support efficient training workflows.
  • Develop and maintain data quality metrics reporting systems.
  • Work with engineers and researchers to identify and address data quality issues.
  • Implement best practices for data management, including versioning, security, and compliance

This is an excellent opportunity to apply your technical data engineering skills in a forward thinking and cutting edge sector using the latest technicalities collaborating with other leading minds in the sector. So don’t delay and apply today as I have interview slots ready to be filled.

Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.

Senior Systems Engineer
Hexwired Recruitment Limited
London
Hybrid
Senior
£65,000 - £75,000

Senior Systems Engineer - £65k - £75k South London

Hexwired Recruitment has partnered with an expanding Electronics manufacturer based in South London, who are now seeking a Senior Systems Engineer to develop a range of multi year projects for safety critical applications.

The company are working with customers globally to develop novel solutions to a range of applications, utilising the latest technology available! You will be working as part of a multi-disciplinary team, developing a range of products used across a number of industries so this is an excellent opportunity for someone looking for a more varied role.

This is a Senior Systems Engineering role, focusing heavily on safety critical development as well as the Systems Engineering Life Cycle. The company offer a hybrid model

Key Skills

  • Degree in Maths, Physics or an engineering focused degree
  • A background in engineering (Software, Electronics etc)
  • Excellent written communication skills for documentation and technical reviews
  • Excellent experience designing systems for regulated products (Aerospace, Medical etc.)
  • Knowledge of safety critical standards such as DO-178, IEC 60601 etc.

The company are offering between £65k - £75k dependent on experience along with an excellent benefits package. If you re interested in this Senior Systems Engineer role, please apply.

For more information on this role, or any other jobs across; Embedded, C++ programming, Embedded Linux, Javascript, Python, Electronics, FPGA, Golang Development, Machine Learning, Data Science or Simulation contact us today.

AV Programming & Commissioning Engineer
SER Limited
Multiple locations
Hybrid
Junior - Mid
£45,000 - £60,000

£45,000 - £60,000 Salary (DOE)
South UK / Hybrid

Monday Friday 08 30

Role:

This role combines control system programming and on-site commissioning, to ensure AV systems are fully integrated and reliable to use.

Work will be a combination of home based programming and site based commissioning across customer premises in the South of the UK with occasional travel to other regions where required.

Duties:

  • Develop, implement, and test AV control system programs across platforms such as Crestron, Q-Sys, and Extron
  • Commission and test AV systems both in-house and on customer sites
  • Integrate AV systems with existing infrastructure (e.g. lighting, HVAC, building systems)
  • Configure and optimise audio DSP systems (QSC, Biamp, Extron)
  • Produce accurate documentation including AVIT schedules and system records
  • Provide technical support to internal teams and external clients
  • Diagnose and resolve complex AV and control system issues remotely and on-site
  • Deliver client training to ensure effective system operation and maintenance
  • Stay current with emerging AV technologies, programming languages, and industry standards

What You ll Need:

  • Proven experience programming and commissioning AV control systems
  • Strong programming experience with platforms such as Crestron, Q-Sys, Extron, AMX, or similar
  • Relevant certificates in Crestron or QSYS systems would be essential.
  • Proficiency in AV-related programming languages (e.g. C++, Python, C#, JavaScript, HTML)
  • Solid experience configuring audio DSP systems
  • Strong networking knowledge relevant to AV environments
  • Excellent troubleshooting and problem-solving skills
  • Confident communicator, able to work directly with clients and internal teams
  • High attention to detail and ability to work in a fast-paced, deadline-driven environment
  • Full UK Driving Licence
  • Full right to work within the UK

What s on Offer:

  • £45K - £60K basic salary (DOE)
  • Company car or car allowance
  • Paid expenses
  • 22 days holiday + bank holidays
  • Extra day annual leave for your birthday
  • Pension
  • Phone and laptop provided

How to apply:

Click apply or contact Jake Voisey on the details provided.

SER-IN

Data Scientist
Randstad Technologies Recruitment
London
Remote or hybrid
Mid - Senior
£479/day - £565/day

Data Scientist: Country Risk & Advanced Analytics

Join an integrated team of economists, political scientists, and computer scientists to shape the strategic decisions of the world’s leading organizations.

How You’ll Make an Impact:

  • Innovate: Prototype new approaches for extracting insights from structured and unstructured data.
  • Build: Design and optimize risk models for analytics and generative AI applications using proprietary NLP data.
  • Collaborate: Partner with cross-domain experts to turn non-technical ideas into scalable, interpretable research designs.
  • Deploy: Develop and maintain robust ML pipelines for both experimentation and production.

Who You Are:

  • Technical Expert: You have substantial experience with Python or R, and are skilled in querying and analyzing big data.
  • NLP Specialist: You have a proven track record of developing and refining NLP models.
  • Clear Communicator: You can explain complex ML/NLP methodologies to non-technical stakeholders with ease.
  • Methodical: You are familiar with experiment tracking (DVC, Weights & Biases) and model evaluation metrics.

Stand Out From the Crowd: Candidates with an advanced degree in ML/NLP, exposure to cloud platforms (AWS, Databricks, Snowflake), or experience in agile, fast-paced environments are highly encouraged to apply or share your updated CV to removed)

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

Frequently asked questions
London offers a wide variety of Python roles including web development, data science, machine learning engineering, backend development, automation, and DevOps positions.
Many Python jobs in London require experience with popular frameworks such as Django, Flask, or FastAPI, depending on the role. It's best to review the specific job descriptions to understand required skills.
Yes, there are entry-level Python jobs and internships available in London. These roles often look for foundational knowledge of Python and a willingness to learn and grow.
Salaries vary based on experience and role complexity, but typically range from £40,000 to £90,000 annually. Senior or specialized positions can offer higher compensation.
Many companies in London now offer flexible or fully remote working arrangements for Python developers. Job listings usually specify if remote work is an option.