A high-growth institutional trading business in the digital assets market is expanding its London team and hiring a Quant Developer to join its OTC pricing function. This is a great opportunity to join a successful firm adding headcount as it continues to grow, and to work on highly visible quantitative systems that sit at the core of pricing, hedging and liquidity decisions. The role offers a rare blend of quantitative research partnership and hands-on production engineering, making it ideal for someone who enjoys solving real market problems in a fast-paced trading environment.

THE ROLE: Quant Developer OTC Pricing

This is a senior-level quant development role within the OTC pricing team, focused on turning quantitative ideas into robust, production-grade trading and pricing solutions. The successful candidate will work very closely with quantitative researchers, contributing not only to implementation but also to the design and refinement of pricing and liquidity models.

The role combines research-oriented modelling in Python with production engineering in Java. You will use Python to analyse data, test ideas and support model development, while using Java to build and enhance high-performance pricing infrastructure used in a live, global trading environment.

You will be involved in the development of pricing logic, flow analysis, spread optimisation and automated hedging tools. The role also includes working on distributed systems challenges in a 24/7 multi-region environment, where reliability, consistency and performance are critical. This is a high-impact position for someone who enjoys applying quantitative thinking to real trading and pricing problems at scale.

KEY RESPONSIBILITIES: Quant Developer OTC Pricing

• Build and enhance quantitative pricing, hedging and optimisation models within a high-performance Java framework
• Work alongside quantitative researchers to analyse large datasets and translate research into production-ready solutions
• Use Python for model prototyping, data analysis, signal investigation and backtesting activity
• Develop and improve pricing skew, spread and liquidity optimisation logic
• Design and implement automated hedging strategies, taking into account execution risk, liquidity and market impact
• Support pricing system deployment across distributed, multi-region architecture with a focus on uptime and consistency
• Analyse client trading behaviour, including flow quality, decay and pricing performance, to support more effective pricing decisions
• Contribute to the ongoing evolution of tools and systems used in a live institutional trading environment

REQUIRED - SKILLS/EXPERIENCE:

• Strong Java development experience, ideally 5+ years
• Deep understanding of object-oriented design, concurrency, and high-performance distributed systems
• Proficient in Python; Including use of libraries such as NumPy, SciPy and Pandas for quantitative analysis and prototyping
• Proven experience applying numerical optimisation techniques and/or machine learning methods to pricing, trading or market-related problems
• Prior experience in client pricing, electronic trading, or a closely related quantitative trading environment
• Exposure to liquid markets such as FX, equities, ETFs or crypto
• Strong academic background in a quantitative discipline such as Mathematics, Physics or Quantitative Finance
• Ability to operate effectively in a role that bridges quantitative modelling and production engineering

DESIRABLE - SKILLS/EXPERIENCE:

• Familiarity with low-latency system optimisation, such as GC tuning or tools/frameworks used in high-performance messaging environments
• Understanding of derivatives pricing and risk management, particularly across products such as futures, forwards, NDFs and CFDs
• KDB+/Q
• Exposure to AWS, Docker and Kubernetes

Backend Python Developer (Azure AI)

Location: Remote / Hybrid

Type: Full-time

Our client is a fast-growing consulting business building an AI-driven platform on native Microsoft Azure services. They are looking for a strong Backend Python Developer to join their team and play a key role in delivering scalable, AI-first solutions used for business automation, workflows, and intelligent agents.

This is an opportunity to work in a lean, high-impact environment where speed, quality, and innovation matter.

The Role

The successful candidate will:

• Design, build, and maintain backend services in Python, writing clean, maintainable, production-grade code.
• Develop and deploy AI-powered features using Azure-native services including Azure AI Foundry, Azure AI Search, Cosmos DB, Docker, and AKS.
• Architect and implement scalable, cloud-native solutions.
• Work within tight development cycles — branch, commit, test, and ship via GitHub-based CI/CD pipelines.
• Write comprehensive unit tests and contribute to high code quality standards.
• Collaborate within agile sprints and contribute to technical design decisions.

The Ideal Candidate

Our client is seeking someone with:

• Strong commercial experience in Python backend development.
• Experience building APIs and working with cloud-native architectures.
• Solid understanding of Docker, Kubernetes, and scalable distributed systems.
• Experience using GitHub for version control, pull requests, and CI/CD workflows.
• An agile mindset and the confidence to work in a fast-paced, iterative environment.

Desirable Experience

• Exposure to Azure’s AI ecosystem (AI Foundry, AI Search, Cosmos DB, AKS).
• Experience integrating AI/LLM-based services into production systems.
• Familiarity with modern development tooling such as VS Code and AI-assisted coding tools.

Why Apply?

• Work on a genuinely AI-first product with real-world commercial impact.
• Join a collaborative, technically strong team with minimal red tape.
• Remote flexibility with a culture focused on delivery, ownership, and innovation.

If you are a backend Python developer who enjoys building intelligent, scalable systems in Azure and wants to work at the forefront of applied AI, this opportunity is worth exploring.

System Administrator (DevOps / AWS / Infrastructure)The Opportunity

We’re working with a growing, technology-driven organisation looking to hire a System Administrator with strong DevOps and infrastructure experience. This is a hands-on role where you’ll play a key part in maintaining, optimising, and scaling critical systems.

You’ll collaborate closely with development and operations teams to ensure high availability, performance, and security across the environment.

Key Responsibilities

• Manage and maintain server infrastructure (Linux/Windows environments)
• Support and optimise cloud platforms, particularly AWS
• Implement and maintain CI/CD pipelines
• Monitor system performance, availability, and security
• Troubleshoot complex infrastructure and networking issues
• Automate routine tasks using scripting and command-line tools
• Support deployments and environment configuration

Key Skills & Experience

• Proven experience as a System Administrator or similar role
• Strong knowledge of AWS (EC2, S3, IAM, VPC, etc.)
• Solid DevOps understanding (CI/CD, automation, infrastructure as code)
• Strong command-line skills (Bash, PowerShell, or similar scripting)
• Experience with server management (patching, monitoring, performance tuning)
• Good understanding of networking concepts (DNS, TCP/IP, firewalls, routing)
• Familiarity with tools such as Docker, Kubernetes, or similar (desirable)

ALL APPLICANTS MUST BE FREE TO WORK IN THE UK

Exposed Solutions is acting as an employment agency to this client.

Please note that no terminology in this advert is intended to discriminate on any grounds, and we confirm that we will gladly accept applications from any person for this role.

Essential skills will include

BEng/BSc and/or master’s degree in an appropriate engineering, computer science, information systems or related subject.

Knowledge of Sensor and Communication systems.

Software engineering experience from R&D concept through to the full product development lifecycle

Modern software architecture practices

Experience of some kind of scientific application/DSP, including algorithm implementation

Capability in multiple languages and switching between languages rapidly, e.g. C++/C#/Python

Comfortable with modern agile development practices e.g. Scrum/Kanban

Comfortable with modern software tooling e.g. Gitlab, Git, VS Code

Ideally you will have experience in some of the following:

Experience of modern UI design.

Embedded software development (cross-compiling, deployment).

Linux OS and tools, kernel drivers

DevOps (Gitlab CI/CD scripting, pipelines, Docker)

Team Leadership or Line Management experience

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason , please let us know when you apply or talk to the recruiters directly so we can support you.

TPBN1_UKTJ

+6 months +

+Fully remote working

+SC cleared - must hold current active clearance

+Sole British nationals only - due to nature of the project

Skills:

+AWS

+DevOps Engineer

+Kubernetes

+Public Sector experience

+Testing experience - can set the Testing process up from beginning to end and to be able to own it

We’re looking for an experienced AWS DevOps Engineer to design, build, and optimise secure, scalable cloud environments in a fully remote role.

Key Responsibilities

• Deliver Infrastructure as Code using Terraform, CloudFormation, or Ansible
• Build and manage containerised environments with Docker and Kubernetes
• Architect and optimise AWS services across compute, networking, storage, and security
• Design and maintain CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions, CircleCI)
• Automates testing, integration, and deployment processes.
• Embed DevSecOps practices using tools such as SonarQube, Snyk, and OWASP
• Implement monitoring and logging (Prometheus, Grafana, ELK)

Experience Required

• 5-10+ years in DevOps / Cloud Engineering
• Testing experience - can set the Testing process up from beginning to end and to be able to own it
• Strong AWS architecture and security expertise
• Proven IaC and CI/CD delivery experience
• Solid Docker and Kubernetes knowledge
• Ability to influence stakeholders and mentor teams

Fully remote, high-impact role within a forward-thinking cloud engineering team.

If you’d like to discuss this AWS DevOps Engineer in more detail, please send your updated CV to (url removed) and I will get in touch.

Location: Ealing area Salary: Up to £65,000 + Extensive benefits The Role KO2's client is seeking a talented Embedded Software Engineer to help deliver robust, high-quality embedded software for existing and future electric products. This is an exciting opportunity to be involved in the full product lifecycle-from early prototype development through to production and manufacturing. Key Responsibilities Develop high-quality embedded software that is efficient, maintainable, and scalable Work collaboratively with hardware engineers to support board bring-up, debugging, and system validation Design, implement, test, and support embedded software for internally developed electric systems Investigate and resolve complex real-time challenges related to timing, performance, and signal integrity Play an active role in shaping software architecture, coding standards, and future platform directionAbout You Strong programming skills in C and C++ Hands-on experience with embedded communication protocols such as BLE, CAN, I2C, UART, or SPI Comfortable using version control systems, particularly Git A proactive problem-solver with a methodical approach to identifying root causes Demonstrated experience in embedded software development Familiar with the full software development lifecycle, from requirements through to testingDesirable Skills Experience with functional safety standards (ISO 13849 or ISO 26262) Experience working with CI/CD pipelines (e.g. Jenkins, Docker) Experience developing RTOS-based applications Familiarity with Python for tooling or automationAdditional Requirements Full right to work in the UK without sponsorshipApply today with an up-to-date CV or contact KO2 Embedded Recruitment for more details

Salary to £45k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV) clearance i.e. you have at least 5 years residency in the UK with no more than a 3 month break outside the UK. This company is a Workflow & AI Orchestration Specialist. They're on a mission to modernise how public sector organisations manage casework, derive insight from data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for aJava Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Youll collaborate with solution architects, business analysts, and designers to translate workflows into elegant, maintainable code. Youll play a key part in defining technical standards, optimising runtime performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. The role involves visiting client sites; the company will cover travel expenses. Frequency is uncertain but candidates should be comfortable with that being 2-3 days per week. Client sites could be anywhere but will most likely be in & around London. Responsibilities Design, develop, and deploy Camunda-based process and decision automation solutions Implement and integrate Java-based microservices, APIs, and connectors within orchestration flows Translate BPMN and DMN models into executable workflows and reusable components Collaborate closely with analysts and service designers to refine and iterate business processes Develop and maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided in the UK for the past 5 years) and prepared to go through UK SC Security Clearance Experience in Java software engineering and object-oriented design Spring (Boot) experience Experience with REST APIs, and microservice architectures Knowledge of Docker and Kubernetes for containerisation and orchestration Proficiency in Git, CI/CD pipelines, and automated testing frameworks Understanding of event-driven design and message brokers (e.g. Kafka, RabbitMQ) Good knowledge of security, authentication, and integration patterns for enterprise systems Experience working in agile teams within digital transformation or automation programmes A willingness to learn BPMN and Camunda tooling Some exposure to process automation or microservice orchestration Desirable Experience with Camunda 8 (Zeebe) clusters and Operate/Tasklist components Experience implementing solutions using Camunda 7 or 8 (BPMN/DMN) Familiarity with Camunda connectors, external task workers, and scripting extensions Exposure to cloud platforms (AWS, Azure, GCP) and infrastructure-as-code (Terraform, Helm) Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you are a UK National and able to achieve SC or DV clearance. i.e. you have at least 5 years residency in the UK with no more than a 3 month break outside the UK. NB: for non-UK Citizens; we cannot accept applications from anyone requiring sponsorship (now or in the future) for UK permanent employment status. If you are utilising a work visa this must allow you to work in the UK unrestricted for at least the next 5 years. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid junior jnr

Senior Data Engineer
London (Hybrid Working)
Full-time Permanent
80,000 - 90,000 (depending on experience)

About the Company:
Viqu Energy is working with a fast-growing tech company building solutions at the forefront of the energy transition. As the grid shifts toward renewables, their platform helps optimise and trade large-scale battery storage and renewable assets, supporting a more flexible, reliable, and low-carbon energy system.

You’ll be part of a collaborative, inclusive team solving complex problems in a fast-paced, high-impact environment.

About the Role:
We’re looking for a Senior Data Engineer to design, build, and scale the data infrastructure behind the company’s platform.

Data is central to their work, from power market analytics to real-time asset telemetry. You’ll focus on delivering robust data products (not just pipelines), enabling data-driven decisions across the business and for their clients.

You’ll work closely with data scientists, engineers, and stakeholders to help shape the future of energy systems.

What You’ll Do:

• Design and build scalable data services within a modern architecture.
• Develop ETL pipelines for efficient data ingestion and transformation.
• Enable advanced analytics and optimisation of energy assets.
• Apply DevOps best practices using Terraform and AWS.
• Maintain high standards of data quality and reliability.
• Collaborate across teams to deliver impactful solutions.
• Mentor team members and promote best practices.

About You:

• Degree in Computer Science (or equivalent experience)
• Strong experience with data pipelines, storage, and platforms
• Advanced Python skills and production-level coding experience
• Experience building and deploying data services end-to-end
• Solid understanding of ETL and data engineering best practices
• Experience with SQL/NoSQL, APIs, and cloud platforms
• Familiarity with big data tools and MLOps concepts
• Strong communication, collaboration, and mentoring skills

Main Tech Stack:
Python
AWS (S3, Athena), Terraform, Docker
Prefect, Pulsar
PostgreSQL, Cassandra
GitLab CI/CD

What’s On Offer:
25 days holiday + bank holidays + festive closure
Flexible, hybrid working
Enhanced parental leave
Annual salary reviews
Learning & development budget + paid memberships
Inclusive culture, employee networks, and regular socials

Sound good to you? Send your CV to Lily at Viqu Energy today!

Croydon
6 Month Contract
£500/day (Outside IR35)

DevOps Engineer needed with both SC and NPPV3 Security Clearance, plus strong AWS Cloud platforms experience.

6 Month Rolling Contract based in Croydon. Start ASAP in April/May 2026.

Hybrid Working - 3-4 days/week remote (WFH) + 1-2 days/week working from the office in Croydon.

A chance to work with a leading global IT transformation business specialising in large-scale Government projects:

• DevOps Engineer needed to build, automate + delivering highly available, secure + scalable AWS Cloud environments.
• In-depth AWS Services expertise including: EC2, RDS, Aurora PG, VPC, S3, IAM, CloudWatch, KMS, and Amazon Linux 2023.
• DevOps Tools: Terraform, Jenkins, Docker + Groovy pipelines experience.
• Scripting: Shell, Python, PowerShell, Perl, Java.
• PostgreSQL admin, performance tuning, HA, replication, backup/DR, Git, Jira, Confluence, ServiceNow.
• Monitoring tools: Grafana, Prometheus + Alert Manager.
• Key Tasks: troubleshooting, root cause analysis, 24/7 production, managing technical escalations, leading workshops, supporting Agile teams + removing delivery blockers.
• Advantageous Skills: Linux Sys Admin, AD, networking, Firewalls, switch config/patching, AWS/Azure Certifications.

Fully remote working for UK based Developer, candidates must have full UK working rights.

Salary 50k to 60k plus benefits

We are recruiting for a new Full Stack .Net Developer role for a Real-time Data Monitoring company based in the UK.

This company are looking for a Full Stack Developer with a strong background in C# and .Net technologies to join their remote development team. They produce a number of realtime data monitor services used by companies across the globe.

They are building a new set of products for the North American market as well as new services for their European customers.

This company are entering a lucrative scale-up time over the next 24 months (they are cash rich, profitable, self funded business) and this is an opportunity to join a small but growing development team, with an established product, who are hiring new developers to help build the next generation of their online data monitoring platform. This is a great time for somebody to join the team and who is looking for a fresh challenge in an exciting online company.

Ideally they are looking for a developer with a strong background in C#, .Net core, NoSQL databases, ElasticSearch and with some experience of building asynchronous, event-driven systems in Lambda + SQS, or equivalent patterns.

Ideal skills:

• Experience building systems with real users in production
• Strong, modern C# / .NET experience in production systems
• Deep experience with at least one major cloud platform (AWS preferred; Azure / GCP also relevant)
• Experience building asynchronous, event-driven systems (e.g. Lambda + SQS, or equivalent patterns)
• Solid understanding of data modelling across relational and non-relational stores (e.g. SQL, NoSQL, Elasticsearch)
• Experience applying architectural patterns such as CQRS where appropriate
• Comfortable working with containerised applications (Docker)
• Proven experience designing and building secure, reliable APIs
• Testing mindset: writes maintainable, meaningful automated tests
• Comfortable working in modern development workflows (Git, CI/CD, code reviews)

Nice to haves:

• Experience with React
• Strong CSS / SASS skills and an eye for UI quality

If you are interested then please apply with your CV for immediate interview?

We are looking for an Infrastructure Software Engineer to help keep our clients’ systems reliable, secure, and scalable. This is a hands-on role working across a broad stack - from Linux servers and networking to containers and big data platforms - with a strong focus on automation and problem-solving. The successful candidate must have strong on-prem experience and will ideally have a good mix of infrastructure and programming knowledge.

This is a hybrid role with the expectation to be in the office 2 days a week. As well a competitive salary, out client offers a comprehensive benefits package which includes a bonus scheme.

Key Responsibilities

• Automate and optimise DevOps workflows
• Monitor system health and respond to incidents
• Troubleshoot infrastructure issues and perform root cause analysis
• Identify and remediate security vulnerabilities
• Support developers with deployments and improve developer experience
• Maintain documentation (runbooks, processes, architecture)

Skills

• Experience with Linux systems administration
• Shell scripting and strong coding ability
• Problem-solving through automation
• Ability to prioritise and work independently
• Strong communication and teamwork skills

Desirable

• Knowledge of networking (TCP/IP) and full-stack infrastructure
• Experience with Git, Python, and Ansible
• Familiarity with containers (Docker, Kubernetes, LXC)
• Experience with monitoring tools and SQL databases
• Exposure to big data systems (e.g., Spark, HDFS, Airflow)

Summary

A great opportunity for someone who enjoys solving complex infrastructure challenges, automating systems, and working closely with engineering teams.

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

Salary: up to £95,000
Contract: Permanent

We are working on behalf of our client to recruit a Head of Cloud Platforms. This is a senior leadership role sitting within the IT department, reporting to the Director of Infrastructure & Operations.

The Role

You will lead the Cloud Platform and Integration teams, taking ownership of the strategic direction and day-to-day management of cloud platforms (AWS & Azure), DevOps tooling, and systems integration (middleware).
You will define the long-term technical roadmap, oversee CI/CD pipelines and infrastructure-as-code (IaC), and ensure platforms are secure, reliable, and cost-effective.
Working closely with software development, infrastructure, cyber security, and business teams, you will align platform engineering with the wider digital strategy, drive automation, and act as a technical leader and mentor across their team.

Key Responsibilities:

• Lead and manage the Cloud Platform and Integration teams, ensuring effective collaboration and delivery
• Define and implement cloud architecture, automation strategies, and CI/CD pipelines across AWS, Azure, and M365
• Drive adoption of IaC and automated deployment processes
• Oversee systems integration architecture, ensuring compatibility and performance across cloud, on-premises, and hybrid environments
• Lead incident response, disaster recovery planning, and BCP/DR testing
• Monitor platform performance and establish KPIs and SLAs for availability, security, and uptime
• Lead security audits, risk assessments, and vulnerability management, working alongside Cyber Security teams
• Mentor senior technical leads and support their professional development
• Engage with stakeholders to translate business requirements into technical solutions
• Evaluate new tools and technologies to improve infrastructure efficiency and scalability

Skills and Experience Required:

• Deep knowledge of AWS (EC2, VPC, RDS, S3, CloudFront, Route 53, IAM, CloudWatch, EKS) and Microsoft Azure
• Experience managing and delivering within multi-cloud environments
• Hands-on experience with CI/CD pipelines and GitOps practices (e.g. Jenkins, Bitbucket, Terraform)
• Experience deploying and maintaining Linux systems (Ubuntu, CentOS, RHEL, Amazon Linux)
• Knowledge of containerisation technologies including Docker and Kubernetes
• Experience with middleware technologies, including AWS SQS/SNS and API Gateway
• Scripting skills in Bash and/or Python
• Proven experience managing technical teams and providing clear direction
• Strong communication skills, with the ability to present technical information to varied audiences

James Andrews is acting as an employment agency and business in relation to this role.
At James Andrews Recruitment Solutions we try to respond to all applications personally, however, due to the high volume of applications this is not always possible.
If you have not heard back from us within 72 hours, please assume that your application has been unsuccessful on this occasion.
Don’t forget our recommendation scheme: Recommend a friend or colleague to us and receive up to £100 each once they have completed 20 days in a role via James Andrews!
Terms and conditions apply, contact us for details.

A high-growth institutional trading business in the digital assets market is expanding its London team and hiring a Quant Developer to join its OTC pricing function. This is a great opportunity to join a successful firm adding headcount as it continues to grow, and to work on highly visible quantitative systems that sit at the core of pricing, hedging and liquidity decisions. The role offers a rare blend of quantitative research partnership and hands-on production engineering, making it ideal for someone who enjoys solving real market problems in a fast-paced trading environment.

THE ROLE: Quant Developer OTC Pricing

This is a senior-level quant development role within the OTC pricing team, focused on turning quantitative ideas into robust, production-grade trading and pricing solutions. The successful candidate will work very closely with quantitative researchers, contributing not only to implementation but also to the design and refinement of pricing and liquidity models.

The role combines research-oriented modelling in Python with production engineering in Java. You will use Python to analyse data, test ideas and support model development, while using Java to build and enhance high-performance pricing infrastructure used in a live, global trading environment.

You will be involved in the development of pricing logic, flow analysis, spread optimisation and automated hedging tools. The role also includes working on distributed systems challenges in a 24/7 multi-region environment, where reliability, consistency and performance are critical. This is a high-impact position for someone who enjoys applying quantitative thinking to real trading and pricing problems at scale.

KEY RESPONSIBILITIES: Quant Developer OTC Pricing

• Build and enhance quantitative pricing, hedging and optimisation models within a high-performance Java framework
• Work alongside quantitative researchers to analyse large datasets and translate research into production-ready solutions
• Use Python for model prototyping, data analysis, signal investigation and backtesting activity
• Develop and improve pricing skew, spread and liquidity optimisation logic
• Design and implement automated hedging strategies, taking into account execution risk, liquidity and market impact
• Support pricing system deployment across distributed, multi-region architecture with a focus on uptime and consistency
• Analyse client trading behaviour, including flow quality, decay and pricing performance, to support more effective pricing decisions
• Contribute to the ongoing evolution of tools and systems used in a live institutional trading environment

REQUIRED - SKILLS/EXPERIENCE: Quant Developer OTC Pricing

• Strong Java development experience, ideally 5+ years
• Deep understanding of object-oriented design, concurrency, and high-performance distributed systems
• Proficient in Python; Including use of libraries such as NumPy, SciPy and Pandas for quantitative analysis and prototyping
• Proven experience applying numerical optimisation techniques and/or machine learning methods to pricing, trading or market-related problems
• Prior experience in client pricing, electronic trading, or a closely related quantitative trading environment
• Exposure to liquid markets such as FX, equities, ETFs or crypto
• Strong academic background in a quantitative discipline such as Mathematics, Physics or Quantitative Finance
• Ability to operate effectively in a role that bridges quantitative modelling and production engineering

DESIRABLE - SKILLS/EXPERIENCE: Quant Developer OTC Pricing

• Familiarity with low-latency system optimisation, such as GC tuning or tools/frameworks used in high-performance messaging environments
• Understanding of derivatives pricing and risk management, particularly across products such as futures, forwards, NDFs and CFDs
• KDB+/Q
• Exposure to AWS, Docker and Kubernetes

Lead GO Engineer
Our client, a digital SaaS provider backed by the government is hiring a Lead GO Engineer to join a fast-scaling, purpose-driven SaaS organisation delivering impactful digital services. You will lead on several greenfield projects as the client continues to scale & transform. Our client has a fantastic ethos, focussed on aiding & helping people improve their lives. Our client is offering a fully remote contract & benefits (30 days holiday, 6% pension & health care) paying up to 75,000 to start ASAP.

In this role, you will design, develop, and optimise scalable, secure, cloud-based systems using Go (Golang), PostgreSQL, Redis, RabbitMQ, and Docker. You will contribute to architecture discussions, collaborate with cross-functional teams, and help ensure the delivery of reliable, high-quality features.
This is an excellent opportunity for an engineer who has proven experience in a previous Lead or Management position as you must be able to demonstrate the capabilites to steer projects & provide coaching.
Role and Responsibilities:

• Design, develop, and maintain backend services using Go (Golang)
• Build and manage messaging patterns and asynchronous workflows with Redis and RabbitMQ
• Develop efficient, scalable database schemas and queries in PostgreSQL
• Build clean, well-documented RESTful APIs and service integrations
• Contribute to containerised environments using Docker and maintain cloud-native services on AWS
• Participate in architecture discussions, CI/CD pipelines, and quality assurance processes
• Mentor peers, share knowledge, and promote best practices in backend development

Skills and Experience:

• Solid experience in backend development roles
• Strong proficiency in Go (Golang), including concurrency models and thread-safe coding
• Proven experience with Redis (caching & Pub/Sub) and RabbitMQ (messaging)
• Strong experience with PostgreSQL and libraries such as sqlx and gorm
• Solid understanding of Docker and containerised development
• Experience building RESTful APIs and integrating services
• Desirable: AWS services (Lambda, EventBridge, SQS), microservices architecture, CI/CD tooling, event-driven systems

Senior FullStack Developer

Duration: 4 months

Location: Remote

600 - 770 per day Inside IR35 - Umbrella only

Active SC clearance or eligibility to obtain it

Our client is seeking an experienced Senior Cloud FullStack Developer to join their dynamic team on a remote basis. This is an exciting opportunity to work on innovative projects within a collaborative environment.

Required Skills:

• Deep hands-on experience with Java and Spring Boot (Web Services,
• Spring Security, etc.)
• Strong knowledge of PostgreSQL (Postgres) - including schema design and
• query optimization
• Solid understanding of object-oriented programming principles and design
• Patterns
• Familiarity with front-end development and integration using HTML and
• JavaScript
• Experience with Jenkins and modern CI/CD practices
• Proficiency in AWS services and infrastructure-as-code using Terraform
• Strong experience with GitHub for version control and automated workflows
• (e.g., GitHub Actions)
• Working knowledge of Docker for containerization
• Proficiency in Python scripting

Required Soft Skills:

• Soft skills are just as important as technical skills for this role - it is critical to have the right attitude and characteristics to be successful.

This requires:

• Strong communication and collaboration skills - critical to build good
• relationships and to work well with people
• Collaboration - needs to be a team player and work closely and well
• with many different people both inside and outside the team
• Enthusiastic and engaged - positive attitude
• Pro-active - do not expect to be told what to do - will need a level of
• drive and the ability to work without needing constant support
• Handle ambiguity and change

If you’re passionate about cloud-native development and want to contribute to innovative projects, we’d love to hear from you. Apply now to join a forward-thinking organisation that values your skills and initiative!

My client is seeking to recruit a Fullstack Software Engineer on an initial 12 month contract based in London. It is hybrid and will require 2x days onsite per week.

Key responsibilities

• Front end implementation for a React application

• Visualizing and interacting with scientific data and workflow progression

• Integration of AI/ML components with frontend, backend, data and compute infrastructure

• Responsible for high quality software implementations according to best practices, including automated test suites and documentation

• Develop, measure, and monitor key metrics for all tools and services and consistently seek to iterate on and improve them

• Participate in code reviews, continuously improving personal standards as well as the wider team and product

• Liaise with other technical staff and data engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products

Basic qualifications:

• Demonstrated experience with frontend software development (e.g. React)
• Demonstrated experience of Python development (e.g. using FastAPI)
• Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience
• Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure is essential
• Strong skills in JavaScript/TypeScript and Python, ensuring best practices are followed for clean and scalable code
• Demonstrated ability to work directly with designers, particularly using Figma, to convert design prototypes into engaging and interactive applications
• Experience in using automated testing tools, including Playwright and Cypress, to create, maintain, and execute comprehensive test suites
• Sound understanding of web development best practices, modern design principles, and continuous integration workflows
• Knowledge of agile practices and able to perform in agile software development environments
• Strong knowledge of modern software development tools / ways of working (e.g. git/GitHub, DevOps tools for deployment) - should be able to show practice of commit early and deploy often

Preferred qualifications:

• Experience with Docker or containerized applications, especially architecture of multi-container applications
• Demonstrated experience with biological or scientific data (e.g. genomics, transcriptomics, proteomics), or pharmaceutical industry experience, especially design of data visualisations
• Knowledge of agent-based approaches (e.g. LangGraph, PydanticAI, AutoGen)

I am recruiting for an experienced Full Stack Engineer to work on a hybrid basis - 3 days in London, 2 days remote. The role falls inside IR35 so you will be required to work through an umbrella company for the duration of the contract. I am seeking a Senior Full-Stack Engineer with several years of experience who operates as a hands-on, independent contributor and takes full ownership of building, scaling, and running production systems. This role is designed for engineers who have built and operated large-scale systems end-to-end, not those with superficial exposure or purely design-focused experience. Candidates must have strong experience of Java Full Stack, React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern Front End frameworks. Hands on expertise in API design and development (REST/JSON), including versioning and backward compatibility. Experience with UI testing, component testing, and Front End build tooling. Experience in CI/CD pipelines, GitOps workflows, A/B testing strategies and also automating the workflows and repeatable tasks. Please apply ASAP for full role details.

We are looking for an Infrastructure Software Engineer to help keep our clients' systems reliable, secure, and scalable. This is a hands-on role working across a broad stack - from Linux servers and networking to containers and big data platforms - with a strong focus on automation and problem-solving. The successful candidate must have strong on-prem experience and will ideally have a good mix of infrastructure and programming knowledge. This is a hybrid role with the expectation to be in the office 2 days a week. As well a competitive salary, out client offers a comprehensive benefits package which includes a bonus scheme. Key Responsibilities Automate and optimise DevOps workflows Monitor system health and respond to incidents Troubleshoot infrastructure issues and perform root cause analysis Identify and remediate security vulnerabilities Support developers with deployments and improve developer experience Maintain documentation (runbooks, processes, architecture) Skills Experience with Linux systems administration Shell scripting and strong coding ability Problem-solving through automation Ability to prioritise and work independently Strong communication and teamwork skills Desirable Knowledge of networking (TCP/IP) and full-stack infrastructure Experience with Git, Python, and Ansible Familiarity with containers (Docker, Kubernetes, LXC) Experience with monitoring tools and SQL databases Exposure to big data systems (e.g., Spark, HDFS, Airflow) Summary A great opportunity for someone who enjoys solving complex infrastructure challenges, automating systems, and working closely with engineering teams. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. TPBN1\_UKTJ

Senior Data Engineer London (Hybrid Working) Full-time | Permanent £80,000 - £90,000 (depending on experience) About the Company: Viqu Energy is working with a fast-growing tech company building solutions at the forefront of the energy transition. As the grid shifts toward renewables, their platform helps optimise and trade large-scale battery storage and renewable assets, supporting a more flexible, reliable, and low-carbon energy system. You'll be part of a collaborative, inclusive team solving complex problems in a fast-paced, high-impact environment. About the Role: We're looking for a Senior Data Engineer to design, build, and scale the data infrastructure behind the company's platform. Data is central to their work, from power market analytics to real-time asset telemetry. You'll focus on delivering robust data products (not just pipelines), enabling data-driven decisions across the business and for their clients. You'll work closely with data scientists, engineers, and stakeholders to help shape the future of energy systems. What You'll Do: \* Design and build scalable data services within a modern architecture. \* Develop ETL pipelines for efficient data ingestion and transformation. \* Enable advanced analytics and optimisation of energy assets. \* Apply DevOps best practices using Terraform and AWS. \* Maintain high standards of data quality and reliability. \* Collaborate across teams to deliver impactful solutions. \* Mentor team members and promote best practices. About You: \* Degree in Computer Science (or equivalent experience) \* Strong experience with data pipelines, storage, and platforms \* Advanced Python skills and production-level coding experience \* Experience building and deploying data services end-to-end \* Solid understanding of ETL and data engineering best practices \* Experience with SQL/NoSQL, APIs, and cloud platforms \* Familiarity with big data tools and MLOps concepts \* Strong communication, collaboration, and mentoring skills Main Tech Stack: Python AWS (S3, Athena), Terraform, Docker Prefect, Pulsar PostgreSQL, Cassandra GitLab CI/CD What's On Offer: 25 days holiday + bank holidays + festive closure Flexible, hybrid working Enhanced parental leave Annual salary reviews Learning & development budget + paid memberships Inclusive culture, employee networks, and regular socials Sound good to you? Send your CV to Lily at Viqu Energy today

We're working with a forward-thinking technology company looking to hire a Graduate / Junior Software Engineer to join their growing team. This is a fantastic opportunity for someone early in their career to gain hands-on experience across a modern infrastructure stack, working on systems that are scalable, secure, and highly available. This is a hybrid role with the requirement to be in the London office 2 days per week. Our client offers good salaries and a comprehensive benefits package. The Role You'll support the reliability and performance of core systems, with responsibilities including: Automating and improving DevOps workflows Monitoring systems and responding to incidents Troubleshooting infrastructure issues and performing root cause analysis Supporting secure, scalable deployments Collaborating with developers to enhance the deployment process Documenting systems and processes About You Strong academic background (Computer Science or similar preferred) - Ideally from Russell Group University Experience with Python or another object-oriented language Good Linux/UNIX knowledge and interest in infrastructure Curious, proactive, and a strong problem solver Able to work both independently and as part of a team Tech Stack Ubuntu, Python, Ansible, Docker, Kubernetes, Kafka, LXC/LXD, Grafana, Prometheus Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. TPBN1\_UKTJ

Data Engineer (Mid Level) £45,000–£55,000 Remote (1-2 days per month London, Leeds or Preston) Tech Stack: GCP (BigQuery, Dataflow), DBT, Terraform, Airflow (Composer), Python, SQL VIQU are working with a growing, data-driven organisation they are building out a modern Data Platform following a successful migration from on-premise to Google Cloud. Sitting within a well-established Data Office, the team is now focused on developing a scalable Data Mesh architecture. This is a strong opportunity for a mid-level Data Engineer to join a collaborative product-led environment, working with modern tooling and contributing to the end-to-end delivery of data products. Key Responsibilities Design, build, and maintain scalable data pipelines and data products using modern ELT principles Work closely with product managers, architects, and engineers to deliver data solutions aligned to business needs Contribute across the full data product lifecycle, from design and development through to deployment and optimisation Ensure high-quality, well-documented code and maintain strong engineering standards Support CI/CD processes, environment management, and deployment pipelines Translate technical challenges into clear, structured solutions for both technical and non-technical stakeholder Key Requirements 3–5 years’ experience in Data Engineering, with strong exposure to ETL/ELT pipelines Strong SQL and Python skills, with hands-on experience building data pipelines Experience with DBT, Terraform, and version control (Git) Exposure to Airflow (or similar orchestration tools), Docker, and CI/CD practices Cloud experience in GCP (BigQuery preferred) or Azure/AWS environments Understanding of modern data concepts including Data Mesh, Agile delivery, and test-driven development Strong problem-solving skills with the ability to work independently and within a collaborative team Apply now to speak with VIQU IT in confidence. Or reach out to Noah Yeoman via the VIQU IT website. Do you know someone great? We’ll thank you with up to £1,000 if your referral is successful (terms apply). For more exciting roles and opportunities like this, please follow us on LinkedIn @VIQU IT Recruitment