1 to 25 of 39 Distributed Systems Jobs in the South East

Senior Software Developer

Hiring Organisation
Jonothan Bosworth
Location
Guildford, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
Senior Software Developer | Surrey | Hybrid | £65,000 - £75,000 Are you an experienced systems-level engineer craving impact We’re seeking a Senior Software Developer versed in Rust, or an equivalent systems language, who thrives in high-availability, mission-critical environments. Our client is a fast-growing technology … forward-thinking engineering team where you’ll make a real impact. You’ll play a key role in architecting, building, and optimising telecommunications systems in Rust , contributing to secure, high-performance, and scalable solutions used worldwide. You’ll collaborate closely across DevOps, API (Java), front-end, and database teams ...

Graduate Quant Software Engineer (C++ / Java – Trading Systems) | £55,000–£77,000

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £77,000 per annum, OTE
Graduate Quant Software Engineer (C++/Java – Trading Systems) | £55,000–£77,000 | Hybrid (London/Remote) Build technology that powers real trading. Join a high-performance engineering team developing low-latency, resilient backend systems used in live trading environments. You’ll work on complex technical challenges from … Quant-Engineering tracks within 12–24 months. What You’ll Do Design, build, and optimise backend components of real-time trading and risk systems Develop clean, efficient, high-performance code in C++ and Java Work closely with traders, quants, and senior engineers to deliver new features Solve complex problems ...

Agentic AI Engineer - 6G Networks & Intelligent Protocols

Hiring Organisation
Method Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
research team, focused on building the next generation of intelligent, AI-driven network systems. The group operates at the frontier of agentic AI, distributed systems, and future mobile network architectures, with direct influence on global standards. This role is suited to an engineer who enjoys building tools … driven behaviour can be embedded into future mobile networks. The focus is on hands-on engineering within a research environment: turning concepts into working systems, testing them in lab-based deployments, and feeding the results into standards-relevant technical contributions. Key Responsibilities Design and implement agentic AI systems ...

Senior Software Engineer - Growth

Hiring Organisation
Utility Warehouse Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
scalability and system reliability Raising engineering standards across observability, SLAs and deployment quality Contributing to key launches (including partner rollout and rebrand work) Supporting distributed system improvements and database migration projects Core Responsibilities Work primarily in Go, GraphQL, Docker & Kubernetes Break down complex work and deliver with minimal oversight … work primarily with Go, GraphQL, Docker and Kubernetes. You’ll own deployments end-to-end within our team’s Kubernetes namespace and contribute to systems where resilience, reliability, observability and uptime really matter. You’ll thrive here if you enjoy autonomy, solving distributed systems problems, and mentoring ...

Software Engineer Kotlin

Hiring Organisation
Understanding Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£65,000 - £80,000 per annum
solve complex problems that contribute to a greener, more sustainable world? Join a high-calibre engineering team building modern, customer-facing and energy-focused systems in one of the UK's most exciting clean tech companies. You'll join one of their core teams, diving deep into production systems … driving long-term architectural decisions that support scale, resilience and product growth. What You'll Do Design, build and evolve platform architecture across distributed systems. Analyse production systems to uncover and resolve performance issues. Contribute to backend design using Kotlin (or JVM), supporting a polyglot mindset. Collaborate across ...

Typescript Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £560 per day
looking for a TypeScript Engineer to help shape the services and tooling behind this transformation. The team's mission is to replace legacy systems with clean, event-driven services and provide consistent, reliable data to applications across the business - from customer-facing products to operational systems. The Role … work closely with engineers, analysts, and product specialists to design scalable services, contribute to architectural improvements, and help evolve the company's approach to distributed data and developer experience. Day-to-day responsibilities include: Designing and implementing backend services in TypeScript using Node.js (REST, GraphQL, workers, event-driven consumers ...

Software Development Engineer in Test (SDET)

Hiring Organisation
4Square Recruitment Ltd
Location
Leatherhead, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
regression testing. Hands-on experience with API testing tools ( Postman, REST Assured ) and performance tools ( JMeter, Gatling ). Familiarity with CI/CD systems ( Bitbucket, Jenkins, TeamCity ) and containerisation ( Docker, Kubernetes ). Proficiency with Git and modern version-control practices. Desirable Skills Experience with cloud platforms (AWS preferred). … Understanding of microservices, distributed systems, and event-driven architecture. Experience with contract testing frameworks such as Pact . Familiarity with observability tools ( Prometheus, Grafana, Datadog ). Background in performance optimisation and scalability testing. Exposure to security testing or DevSecOps practices. Soft Skills Strong analytical and problem-solving capabilities. ...

Director - Lead Software Engineer Java, Equities

Hiring Organisation
Huxley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £180,000 per annum
Equities Technology team within the Front Office. This is a hands-on, independent contributor role where you will design and build high-performance systems that support our equities trading business. You will work closely with traders, quants, and other technologists to deliver innovative solutions in a fast-paced environment. … Responsibilities Lead the design and development of Java-based trading and risk platforms for equities. Deliver low-latency, high-throughput systems for order management and execution. Collaborate with front-office stakeholders to understand business requirements and translate them into technical solutions. Ensure best practices in software architecture, performance optimization ...

Site Reliability Engineer

Hiring Organisation
Adroit People Ltd
Location
Hove, East Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£80,000
with cloud platforms AWS & Azure (primary skills). Solid understanding of containerization and orchestration tools like Docker and Kubernetes . Proficiency in cloud native distributed systems & microservices architecture. Exposure to AI/ML techniques for predictive analytics and automated problem resolution. Familiarity with CI/CD pipelines & enabling ...

Senior Software Engineer

Hiring Organisation
Connells Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Senior Software Engineer to join our Group Technology team in Milton Keynes. In this role, you will help develop, support and enhance business systems and applications using .NET technologies and SQL Server. We offer a hybrid working arrangement with two days per week in our Milton Keynes office. … object-oriented design and development skills Highly Desirable: Experience with Terraform and Azure Experience with concurrent programming techniques, parallelism, and threading Experience working with distributed systems and microservice architectures Experience with high-scalability projects involving cloud-based infrastructure design and implementation Microsoft certified status Connells Group ...

Agentic AI Engineer Kyndryl Data & AI

Hiring Organisation
Kyndryl
Location
South East, United Kingdom
Employment Type
Permanent
Company description: At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward always pushing ourselves to go further in our efforts to build a more equitable, inclusive world … employees, our customers and our communities. Job description: As an Agentic AI Engineer at Kyndryl, youll design and build intelligent systems that think, reason and act helping enterprises evolve from AI-enabled to truly AI-native. Were solving hard problems at scale, integrating data, AI and automation to create ...

Senior Full Stack .Net Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Gatwick, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
understand user requirements and will be building a slick client portal which is crucial for their customers. From sprint planning to troubleshooting complex distributed systems, you'll ensure robust, scalable, and secure solutions. You'll write clean, testable code, contribute to architectural decisions, and support CI/… pipelines while monitoring production systems to keep everything running smoothly.The platform is being increasingly used and scheduled to go international as well, so the roles are extremely stable with years of work confirmed ahead. The company are investing into AI and there is progression into Senior and Lead positions ...

Senior Full Stack .Net Developer

Hiring Organisation
Hays
Location
Gatwick, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
understand user requirements and will be building a slick client portal which is crucial for their customers. From sprint planning to troubleshooting complex distributed systems, you'll ensure robust, scalable, and secure solutions. You'll write clean, testable code, contribute to architectural decisions, and support CI/… pipelines while monitoring production systems to keep everything running smoothly. The platform is being increasingly used and scheduled to go international as well, so the roles are extremely stable with years of work confirmed ahead. The company are investing into AI and there is progression into Senior and Lead ...

Senior ML Engineer

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
extraction, and intelligent automation. Design scalable data and streaming pipelines capable of handling large, heterogeneous datasets. Build and optimize vector search, embeddings, and RAG systems to support high-quality retrieval. Deliver production-ready APIs, services, and model inference systems. Manage deployment, monitoring, observability, and continual improvement of ML models. … AutoGen , or similar LLM/agent frameworks. Skilled in prompt engineering , integrating foundation model APIs, and LLM fine-tuning techniques. Expertise in building RAG systems , vector databases (e.g., Pinecone, Weaviate), and embedding pipelines. Experience with ML/LLMOps for monitoring, evaluation, and traceability. Solid understanding of distributed systems ...

AI Technical Architect

Hiring Organisation
Akkodis
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £95,000 per annum
Other modern data technologies for fast storage and retrieval Strong expertise in AI/ML integration within enterprise architectures Deep knowledge of data modelling, distributed systems, and micro-services Experience with cloud platforms (AWS, Azure, GCP) and containerisation (Docker, Kubernetes) Solid understanding of data governance, security, and regulatory ...

Specialist Software Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Shefford, Bedfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
that power SiriusXM and Pandora, serving tens of millions of listeners across North America. Whether it's delivering high-throughput services, designing fault-tolerant systems, or accelerating internal developer productivity, our teams are tackling impactful technical challenges across the company. You'll contribute to these efforts while helping … future of our architecture, development practices, and engineering culture. Your Responsibilities (Up to 10, avoid repetition) Design and build high-performance, stable, scalable systems deployed in an enterprise setting Lead high-level architecture discussions and planning sessions Collaborate with cross-functional teams of engineers, product managers, and designers Build ...

Sr. Staff Engineer (Lead)

Hiring Organisation
Stackstudio Digital Ltd
Location
Shefford, Bedfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
that power SiriusXM and Pandora, serving tens of millions of listeners across North America. Whether it's delivering high-throughput services, designing fault-tolerant systems, or accelerating internal developer productivity, our teams are tackling impactful technical challenges across the company. You'll contribute to these efforts while helping … future of our architecture, development practices, and engineering culture. Your Responsibilities (Up to 10, Avoid repetition) Design and build high-performance, stable, scalable systems that will be deployed in an enterprise setting Lead high-level architecture discussions and planning sessions Collaborate with cross-functional teams of engineers, product managers ...

Senior Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Shefford, Bedfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
that power SiriusXM and Pandora, serving tens of millions of listeners across North America. Whether it's delivering high-throughput services, designing fault-tolerant systems, or accelerating internal developer productivity, our teams are tackling impactful technical challenges across the company. You'll contribute to these efforts while helping … engineering culture. Your Responsibilities (Up to 10) Collaborate with cross-functional teams of engineers, product managers, and designers. Build scalable, performant, and resilient backend systems that support critical business needs. Participate in system design and architecture reviews to influence technical direction. Drive software quality through code reviews, testing ...

Full Stack .Net Developer (Angular v20/.Net 8 Microservices)

Hiring Organisation
Hays
Location
Gatwick, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
engineers, and fellow developers as well as talking to the business/stakeholders to understand user requirements. From sprint planning to troubleshooting complex distributed systems, you'll ensure robust, scalable, and secure solutions. You'll write clean, testable code, contribute to architectural decisions, and support CI/… pipelines while monitoring production systems to keep everything running smoothly. The platform is being increasingly used and scheduled to go international as well, so the roles are extremely stable with years of work confirmed ahead. The company are investing into AI and there is progression into Senior and Lead ...

Full Stack .Net Developer Angular v20 / .NET 8 Microservices

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Gatwick, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
understand user requirements and will be building a slick client portal which is crucial for their customers. From sprint planning to troubleshooting complex distributed systems, you'll ensure robust, scalable, and secure solutions. You'll write clean, testable code, contribute to architectural decisions, and support CI/… pipelines while monitoring production systems to keep everything running smoothly.The platform is being increasingly used and scheduled to go international as well, so the roles are extremely stable with years of work confirmed ahead. The company are investing into AI and there is progression into Senior and Lead positions ...

Senior Software Development Engineer in Test (f/m/d)

Hiring Organisation
Awin
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
quality the path of least resistance. You will architect and build the "paved road" for quality, aiming to reduce technical debt on our quality systems and embed quality in our platform. You will build the tools, pipelines, frameworks, and feedback loops that empower engineers to own the quality … pipelines (e.g., GitHub Actions, Jenkins). Expertise in building modern test automation frameworks (e.g., Cypress, Playwright, Selenium, JUnit). Strong understanding of microservices and distributed systems Deep understanding of SOLID, TDD, DDD, and other patterns, and how they directly impact testability. A data-driven mindset, with proven experience ...

Senior Distributed Systems Engineer

Hiring Organisation
Sky
Location
london (tottenham), south east england, united kingdom
Strong Test Driven Development background, with understanding of levels of testing required to continuously deliver value to production Experience with build management and CI systems such as Jenkins, TeamCity or similar Delivery experience within an agile environment using Scrum/Kanban methodologies and Pair Programming. The attitude of leading ...

Staff Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Shefford, Bedfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
that power SiriusXM and Pandora, serving tens of millions of listeners across North America. Whether it's delivering high-throughput services, designing fault-tolerant systems, or accelerating internal developer productivity, our teams are tackling impactful technical challenges across the company. You'll contribute to these efforts while helping shape … Your Responsibilities (Up to 10, Avoid repetition) Collaborate with cross-functional teams of engineers, product managers, and designers Build scalable, performant, and resilient backend systems that support critical business needs Participate in system design and architecture reviews to influence technical direction Drive software quality through code reviews, testing ...

Senior Software Engineer

Hiring Organisation
Connells Group HQ
Location
Caldecotte, Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
motivated Senior Software Engineer to join our Group Technology team in Milton Keynes. In this role, you will help develop, support and enhance business systems and applications using .NET technologies and SQL Server.We offer a hybrid working arrangement with one or two days per week in our Milton Keynes … including TDD Strong knowledge of object-oriented design and development skills Highly Desirable: Experience with concurrent programming techniques, parallelism, and threading Experience working with distributed systems and microservice architectures Experience with high-scalability projects involving cloud-based infrastructure design and implementation Microsoft certified status Connells Group ...

Senior Software Engineer Full Stack

Hiring Organisation
Connells Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
motivated Senior Software Engineer to join our Group Technology team in Milton Keynes. In this role, you will help develop, support and enhance business systems and applications using .NET technologies and SQL Server. We offer a hybrid working arrangement with one or two days per week in our Milton … including TDD Strong knowledge of object-oriented design and development skills Highly Desirable: Experience with concurrent programming techniques, parallelism, and threading Experience working with distributed systems and microservice architectures Experience with high-scalability projects involving cloud-based infrastructure design and implementation Microsoft certified status Connells Group ...