Lead Data Engineer - Pyspark / AWS / Python / SAS - Financial Sector
As a Lead PySpark Engineer, you will design, develop, and fix complex data processing solutions using PySpark on AWS. You will work hands-on with code, modernising legacy data workflows and supporting large-scale SAS-to-PySpark migrations. The role requires strong engineering discipline, deep data understanding, and the ability to deliver production-ready data pipelines in a financial services environment.
Essential Skills
PySpark & Data Engineering
Spark Performance & Optimisation
SAS & Legacy Analytics
Data Engineering & Testing
Engineering Practices
AWS & Platform Skills
Desirable Skills
I have three roles available all of which can be worked remotely so dont delay and apply today. I have interview slots ready to be filled
Randstad Technologies is acting as an Employment Business in relation to this vacancy.
Senior Data Engineer (Data Modernization)
We are looking for a proactive, goal-oriented Senior Data Engineer to build and scale high-performance big data pipelines. This role is ideal for a collaborative problem-solver who excels in distributed environments and values technical excellence through CI/CD and Agile.
The Essentials
The Mission
You will lead data modernization efforts, ensuring large-scale systems remain compliant and secure while maintaining a “right tool for the job” mindset. You’ll bridge the gap between complex data engineering and actionable analytics/ML concepts.
Apply
If you have a passion for building well-governed, scalable systems and want to lead a high-impact team, please apply with your CV
Randstad Technologies is acting as an Employment Business in relation to this vacancy.
Edinburgh
12-Month Contract
Paying up to 87p/h (Inside IR35)
Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance - please only apply if suitable
Key Responsibilities:
Required Skillset:
Disclaimer:
This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited (“ARM”). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.
Location: Reading (Hybrid/On-site as required)
Sector: Aerospace & Defence
Security Clearance: Required or eligible
Overview
We are seeking an experienced Software Engineering Lead to play a pivotal role in delivering and scaling advanced software engineering capabilities within a complex, regulated aerospace and defence environment.
This role will focus on shaping and managing a modern Software function, embedding digital engineering best practices, and leading multi-partner delivery across distributed and international teams. You will operate at both strategic and delivery levels, ensuring alignment with regulatory frameworks, programme objectives, and long-term capability goals.
Key Responsibilities
Essential Skills & Experience
Security
Whats on Offer
If you are a senior software or digital engineering leader with deep aerospace or defence experience and are looking to make a strategic impact, we would like to hear from you.
World Class Defence Organisation is currently looking to recruit a Test Driven Development Lead subcontractor on an initial 6 month contract.
Rate: £70.00 per hour
Location: Bristol
Hybrid / Remote working: The role will be onsite – a compressed 4 day week (Monday to Thursday is fine)
Contract: 37 Hours per week
Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’
Duration: 6 Months (initially and then ongoing and long-term thereafter)
IR35 status: Inside IR35 (Umbrella)
Interview Process: One stage Video Interview
Test Driven Development Lead Job Description:
The UK Embedded Software department is at the core of the company’s projects.
We create the complex, highly reliable real-time software that powers our missile systems and their components, ensuring that they provide the performance and functionality our users require when they need it.
The department are involved all the way through development – from concept studies through trials firings and the move into production and service.
Responsibilities:
You will act as a technical leader, coach, and change agent, embedding Test Driven Development (TDD) practices into a team of highly capable engineers who have not previously worked in a TDD environment.
You will shape engineering culture and introduce TDD principles while maintaining clear organisational separation between development and testing.
You will not only coach the team, you will act as a hands-on test practitioner where you will personally design, implement, and execute most project tests to provide objective evidence of software quality in line with quality assurance requirements.
Skillset/experience required:
Essential:
Strong background in Test-Driven Development practices
Experience with automated testing frameworks and CI/CD
Extensive hands-on experience designing and executing automated tests
Experience establishing test strategies from scratch
Demonstrated ability to coach experienced engineers
Strong requirements elicitation and analysis skills
Strong communication and facilitation skills
Advantageous:
C / C++ / MatLab / Similink
Jetson Orin NX / Linux
Hardware-software integration
Simulation or real-time embedded systems
Safety-critical or high-reliability systems experience
Senior DevOps Engineer (SC Cleared) - Multi-Cloud
Newcastle - Hybrid
4 Months Contract Inside IR35
£450 to £550 a day
*Active Security Clearance is Needed*
A high profiled consultancy firm is looking for an experienced DevOps Engineer with active SC Clearance to contribute to mission critical programme. This role is ideal for a hands-on technical lead who enjoys bridging the gap between high-level delivery and team development.
In this position, you will be at the heart of a complex multi-cloud estate (AWS and Azure). We need a specialist who is as comfortable architecting a Terraform module as they are coaching junior engineers to help them scale their skills. You will play a pivotal role in ensuring security, scalability, and observability are baked into the infrastructure from day one.
Essential Skills
??Newcastle - Hybrid workday 2 or 3 days in office | ?? £450 to £550 | 4 Months Contract
*Active Security Clearance is Needed*
If you have the technical chops and a passion for mentoring, I want to hear from you. If the above seems of interest to you then please apply directly to the AD or send your CV to
Randstad Technologies is acting as an Employment Business in relation to this vacancy.
Java Tech Lead / Architect with 10+ years experience is needed for an initial 6-month contract with further extensions up to 18 months paying £300 a day inside IR35 to drive the design and execution of high-scale, event-driven systems. This role is a hybrid of strategic architectural planning and hands-on engineering leadership. You will be responsible for defining technical roadmaps, mentoring a high-performing engineering team, and ensuring the delivery of robust microservices within a complex, long-term program.
Key Responsibilities
Technical Requirements
10+ years of professional software development experience
Expert-level proficiency in Java (current versions) and Spring Boot.
Deep expertise in Kafka for event-driven architecture and streaming.
Proven track record in Microservices design patterns, API Gateway management, and Cloud-native development.
Previous experience leading engineering teams through the full SDLC in an Agile environment.
Preferred Attributes
Experience with Cloud platforms (AWS/Azure/GCP) and containerization (Docker/Kubernetes).
Strong understanding of Database design (SQL and NoSQL).
Excellent communication skills, capable of bridging the gap between technical teams and non-technical stakeholders.
Working Conditions
Hybrid Model: Candidates must be able to commute to West Sussex 3 days per week.
Stability: While the initial contract is 6 months, this is a multi-year program offering significant long-term potential.
Senior GraphQL Engineer (GraphQL Federation) to design, build and scale high-performance GraphQL APIs in a modern TypeScript/Node.js stack, deployed to Kubernetes in a cloud-native environment. This is an ideal contract for a GraphQL specialist who loves clean schemas, resilient services, and production-grade delivery.
The Role (Key Responsibilities)
Required Experience (Skills & Tech)
Location:West London (Hybrid 2 days/week on-site)
Contract:6 months initial (extensions highly likely)
Start:ASAP
Eligibility:UK-based candidates only
Rate:Market rates (Outside IR35)
Please send yourlatest CV, confirming:
Staffworx Limited are a UK-based recruitment consultancy supporting the global digital, e-commerce, software, and business consulting sectors.
Senior DevOps Engineer (SC Cleared) We are seeking a Senior DevOps Engineer with an active SC Clearance to drive development initiatives across a diverse project portfolio. This role is ideal for a technical lead who excels at building robust automation and enjoys mentoring the next generation of engineers. Key Responsibilities Design and maintain scalable infrastructure across AWS and Azure environments. Automate deployments using Terraform , Ansible , and Packer . Manage CI/CD pipelines within GitLab and oversee Kubernetes orchestration. Ensure system reliability through ELK or Dynatrace observability. Mentor & Coach: Deliver structured training and hands-on guidance to junior team members. Technical Requirements Cloud: Proven experience with both AWS and Azure. IaC & Automation: Strong proficiency in Terraform, Ansible, and Packer. Containers: Deep knowledge of Docker and Kubernetes. Scripting: Advanced Linux administration and Bash scripting skills. CI/CD: Hands-on experience with GitLab. Observability: Proficiency in ELK Stack or Dynatrace. Essential Criteria Security Clearance: Must hold a valid and active SC Clearance . Leadership: Demonstrated experience in teaching, coaching, or mentoring junior staff. Randstad Technologies is acting as an Employment Business in relation to this vacancy. TPBN1\_UKTJ
Contract Lead Software Engineer Cloud / Serverless (Outside IR35) Hybrid Nottingham (max 2 days per month onsite) 6 Months Initial Contract We are currently supporting a leading UK digital transformation consultancy on the search for an experienced Lead Software Engineer to join a high-performing delivery team on an enterprise-scale programme. This role will focus on the design and development of cloud-native, serverless solutions within Microsoft Azure, contributing to secure, scalable and resilient enterprise platforms. The Role: You will be responsible for designing, developing and maintaining cloud-native applications using Azure Functions, Azure Storage (Blob, Table, Queue) and Azure Service Bus. The work will involve building event-driven architectures and contributing to modern, serverless solutions within a secure enterprise environment. You will develop high-quality, maintainable code using Node.js, TypeScript and JavaScript, and where required, contribute to front-end development using HTML and JavaScript. Working within a collaborative, Agile delivery team, you will partner with architects, product owners and DevOps engineers to deliver enterprise-grade solutions. Youll contribute to code reviews, adhere to established architectural patterns, support testing activities, and ensure best practice security and cloud governance standards are met. There is a requirement to travel to client offices in Nottingham up to two days per month. Essential Experience: Strong hands-on experience with Microsoft Azure, particularly: Azure Functions Azure Storage (Blob, Table, Queue) Azure Service Bus Proficiency in Node.js, TypeScript and JavaScript Experience building event-driven and serverless applications Understanding of RESTful APIs and integration patterns Experience with CI/CD pipelines and DevOps practices Knowledge of secure coding and cloud security principles Experience using Git-based version control systems Experience contributing to enterprise-level software delivery D esirable Experience: Microsoft Dataverse Microsoft Power Platform Infrastructure as Code (Bicep, ARM, Terraform) Azure monitoring tools (Application Insights, Azure Monitor) Experience working in Agile/Scrum environments Experience delivering solutions for external clients This is an excellent opportunity to join a well-established digital consultancy delivering meaningful transformation programmes, working with modern Azure technologies in a collaborative and technically strong environment. If this sounds like you, please apply with your latest CV to be considered. TPBN1\_UKTJ
Role: Tech lead - AWS Connect AILocation: Luton, UK (Hybrid 3days)Duration: 6+ Months
Roles and responsibilities:Design, develop, and implement automation solutions and AI-driven applications to optimise network control processes.Utilise AWS Bedrock, AWS Quicksuite, and AWS SageMaker, AWS Quicksuite and AWS Connect to build, deploy, and maintain scalable machine learning and automation pipelines.Collaborate with cross-functional teams, including operations, data science, and Product, to define requirements and deliver robust solutions.Monitor, troubleshoot, and enhance existing automation and AI systems to ensure high availability and performance.Stay abreast of new AWS features and emerging technologies in automation and AI, applying best practices to drive continuous improvement.
Supervisory / Managerial responsibilitiesBachelors degree in Computer Science, Engineering, or a related field, or equivalent practical experience.Proven experience in software engineering with a focus on automation and AI applications.Hands-on expertise with AWS Bedrock, AWS Quicksuite, and AWS SageMaker.Strong programming skills in Python, Java, or similar languages commonly used for AI and automation.Experience in designing and operationalising machine learning models in a production environment.Excellent problem-solving skills and the ability to work collaboratively in a fast-paced setting.Strong communication skills, with the ability to explain technical concepts to non-technical stakeholders.Familiarity with airline operations or network control systems.Knowledge of DevOps practices and infrastructure as code.Experience with cloud security and data governance.
Core skills:Devops/ Platform Team interaction modelsProduct-aligned Team StructuresSRE and platform engineering concepts
The Post
The Senior Developer plays a pivotal role in the design, development, delivery and ongoing maintenance of software systems that support the university’s strategic and operational needs. The postholder will lead development lifecycles, ensuring that software solutions are robust, secure, scalable and aligned with best practice.
Working in a rapidly evolving technological environment, the Senior Developer will take responsibility for creating, maintaining and improving systems, as well as diagnosing and resolving complex technical issues. The role requires close collaboration with stakeholders across the university, translating business requirements into effective technical solutions. As a subject matter expert, the post‑holder will also contribute to future planning, recommending improvements and innovations across the university’s digital ecosystem.
Description of Duties
Essential Criteria
Qualifications and Experience
Knowledge & Experience
Skills & Attributes
Desirable Criteria
Knowledge & Experience
Additional Information
*X2 positions available*
Full time
Fixed term for up to 2 years
The closing date for applications is midnight on Thursday 26 March 2026.
Interviews are expected to take place on Wednesday 01 April 2026.
There is an expectation that work will be undertaken in the UK.
This role may be eligible for sponsorship depending on candidate circumstances under SOC code 2134.
The University of Stirling recognises that a diverse workforce benefits and enriches the work, learning and research experiences of the entire campus and greater community. We are committed to removing barriers and welcome applications from those who would contribute to further diversification of our staff and ensure that equality, diversity and inclusion is woven into the substance of the role. We strongly encourage applications from people from diverse backgrounds including gender, identity, race, age, class, and ethnicity.
For a full description of duties and essential/desirable criteria please click the apply button, which will take you directly to the University Website.
Senior DevOps Engineer (SC Cleared) - Multi-Cloud Newcastle - Hybrid 4 Months Contract Inside IR35 £450 to £550 a day \*Active Security Clearance is Needed\* A high profiled consultancy firm is looking for an experienced DevOps Engineer with active SC Clearance to contribute to mission critical programme. This role is ideal for a hands-on technical lead who enjoys bridging the gap between high-level delivery and team development. In this position, you will be at the heart of a complex multi-cloud estate (AWS and Azure). We need a specialist who is as comfortable architecting a Terraform module as they are coaching junior engineers to help them scale their skills. You will play a pivotal role in ensuring security, scalability, and observability are baked into the infrastructure from day one. Essential Skills Hands-on experience across both AWS and Azure. Advanced skills in Terraform for building reusable modules. Proficiency with Ansible and Packer for configuration and image hardening. Deep knowledge of Kubernetes (EKS/AKS) and Docker. Experience building pipelines within GitLab or Jenkins. Mastery of Linux environments and Bash scripting Experience with tools such as ELK or Dynatrace. Newcastle - Hybrid workday 2 or 3 days in office | £450 to £550 | 4 Months Contract \*Active Security Clearance is Needed\* If you have the technical chops and a passion for mentoring, I want to hear from you. If the above seems of interest to you then please apply directly to the AD or send your CV to Randstad Technologies is acting as an Employment Business in relation to this vacancy
Senior DevOps Engineer (SC Cleared) We are seeking a Senior DevOps Engineer with an active SC Clearance to drive development initiatives across a diverse project portfolio. This role is ideal for a technical lead who excels at building robust automation and enjoys mentoring the next generation of engineers. Key Responsibilities Design and maintain scalable infrastructure across AWS and Azure environments. Automate deployments using Terraform, Ansible, and Packer. Manage CI/CD pipelines within GitLab and oversee Kubernetes orchestration. Ensure system reliability through ELK or Dynatrace observability. Mentor & Coach: Deliver structured training and hands-on guidance to junior team members. Technical Requirements Cloud: Proven experience with both AWS and Azure. IaC & Automation: Strong proficiency in Terraform, Ansible, and Packer. Containers: Deep knowledge of Docker and Kubernetes. Scripting: Advanced Linux administration and Bash scripting skills. CI/CD: Hands-on experience with GitLab. Observability: Proficiency in ELK Stack or Dynatrace. Essential Criteria Security Clearance: Must hold a valid and active SC Clearance. Leadership: Demonstrated experience in teaching, coaching, or mentoring junior staff. Randstad Technologies is acting as an Employment Business in relation to this vacancy
Abingdon - on-site initially, then 1 day a week onsite
450 - 525 a day (Outside IR35)
initial 3 months but should extend long term
SC Clearance is mandatory
Overview
We are seeking an experienced Windows Server Team Leader to support a major programme of work which is due to start in April. This is a hands-on leadership contract role where you will help transition an established Windows team to effectively deliver both operational support and project-based work.
You will work closely with the existing team lead to ensure resources are effectively planned, the team is properly supported, and new staff are onboarded successfully.
Key Responsibilities
Required Skills & Experience
Working Arrangements
Candidates must already hold their SC Clearance (Security Check)
Location: Hybrid (60% onsite / 40% remote)
Duration: Contract through to November 2026
Role Overview
We are seeking an experienced Network Technical Integration Lead to drive engineering execution, ensure quality delivery, and lead safe, controlled change into production environments.
This is a senior technical leadership role focused on resilience, automation-first engineering, and end-to-end design accountability. You will coach engineers, embed SRE best practices, and ensure non-functional requirements (NFRs) are engineered into every solution.
Key Responsibilities
Essential Experience
8-10+ years’ experience across network and security engineering (design, build, operate)
Strong troubleshooting across multiple layers:
Hands-on automation experience (e.g., Ansible, Terraform, GitHub, Azure DevOps)
Proven ITIL change leadership experience
Major Incident Management (MIM) exposure
Desirable Certifications
Success Metrics
This role is ideal for a technically strong, automation-driven engineering leader who thrives in complex enterprise environments and is passionate about building resilient, production-ready network platforms.
DV Cleared Senior Software Engineer
Aldermaston - Onsite
12-month contract Outside IR35
Are you a DV cleared Software Engineer who can take full ownership of software delivery on site?
Do you enjoy building Siemens PLC solutions from scratch in secure, regulated environments?
Looking for a long-term contract with a strong on-site engineering focus?
What’s in it for you
650 to 750 per day
Outside IR35
12-month contract
4-5 days onsite per week
Work on high-security, technically challenging projects
What will you be doing?
Designing, developing and programming Siemens PLC systems from scratch
Leading all software activities on an assigned project
Configuring Siemens PLCs, HMIs and associated networks
Producing on-site test documentation and supporting FATs and SATs
Carrying out on-site testing and commissioning of PLC systems
Acting as the technical interface with the client during delivery
Providing technical leadership, mentoring and support to other engineers
Ensuring software delivery meets programme, budget and quality requirements
Where you’ll be doing it
You’ll be based on site in Aldermaston, working within a highly secure defence environment on mission-critical control system projects.
What you’ll need
Active DV clearance (essential)
Strong experience programming Siemens PLCs from scratch
Background in on-site commissioning and testing of PLC systems
Experience working in secure or regulated environments
Ability to technically lead software activities and support junior engineers
Confident communicator, comfortable working directly with clients
Degree-level qualification in a relevant engineering discipline (or equivalent experience)
We appreciate your CV may not be up to date. No problem, just apply and we can deal with that later.
Important Information: We endeavour to process your personal data in a fair and transparent manner. In applying for this role, Russell Taylor will be acting within your interest and will contact you in relation to the role, either by email, phone or text message. For more information see our Privacy Policy on our website. It is important you are aware of your individual rights and the provisions the company has put in place to protect your data. If you would like further information on the policy or GDPR please get in touch with us here.*
Job Description: Full Stack Engineer (Angular+Python+AI)
Location: London (Hybrid) Contract: 6 Months Client: Big Tech
The Mission
Join a high-velocity AI Accelerator team acting as an internal startup. We run 12-week sprints to build, prototype, and launch AI products that automate global business workflows.
Role Split
Key Responsibilities
What We’re Looking For
Randstad Technologies is acting as an Employment Business in relation to this vacancy.
Role Title: HIP Developer Experience Lead for Internal Cloud
Duration: contract to run until 17/07/2026
Location: Sheffield, 3 days per week onsite
Rate: up to 575.92 p/d Umbrella inside IR35
Role purpose / summary
Client Internal Cloud (HIC), IKP (Internal Kubernetes Platform) and Kafka (Event Streaming) are our strategic hosting platforms supporting the fast-growing demand from numerous customers. We have deployed over 15,000 servers in 3 regions underpinning thousands of Technology services.
As a developer experience lead for the HIP platform, you will help to understand and improve the internal customer and developer experience for our strategic platforms, enabling more customer centric solutions.
Your role is to tackle the challenge of the complexity that teams must endure as they integrate technology services into a viable route-to-live. This journey might include runtimes for dev, test and prod; global load balancing; CI/CD mechanism; monitoring, logging, alerting systems; database; file storage; secrets management; team coordination tooling including Confluence and Jira; solutions design documentation; and IT service acceptance documentation.
What you’ll do:
What you need to have to succeed in this role:
All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!
Senior DevOps Engineer (SC Cleared)
We are seeking a Senior DevOps Engineer with an active SC Clearance to drive development initiatives across a diverse project portfolio. This role is ideal for a technical lead who excels at building robust automation and enjoys mentoring the next generation of engineers.
Key Responsibilities
Technical Requirements
Essential Criteria
Randstad Technologies is acting as an Employment Business in relation to this vacancy.
Role: Java Developer
Location: Solihull/Remote (2 days per week on-site)
Duration: 6 Months
Day rate: Negotiable Outside IR35
Clearance: Active SC clearance required & NPPV3 is desirable
About the Role:
We are seeking a highly skilled Lead Java Developer to join our team and work on a large-scale public sector program. This unique development opportunity involves creating and implementing solutions for our portfolio of biometric products, supporting live systems, and diagnosing incidents. You will be part of a collaborative team that prides itself on engineering the best possible Java code.
Key Responsibilities:
Essential Skills and Experience:
Desired Skills and Experience:
What We Are Looking For: