26 to 50 of 175 Distributed Systems Jobs in Central London

within a team delivering projects and solving tough tech problems. What You’ll Do Design and implement robust, scalable microservices and APIs in Go Lead the technical design of distributed data systems supporting research and clinical workflows Collaborate with data scientists, bioinformaticians, and product teams to translate scientific needs into resilient software solutions Optimize data processing pipelines for … governance Mentor engineers and contribute to architectural decisions across teams What We’re Looking For 7+ years of software engineering experience, including extensive experience with Golang Deep understanding of distributed systems , data-intensive applications , and microservices architectures Experience with cloud environments (AWS, GCP, or Azure) and container orchestration (Kubernetes, Docker) Solid background in API design , data streaming , and More ❯

Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer passionate about distributed systems, resilience, and clean architecture — this is your next challenge. 🌍 Location & Flexibility Work remotely from anywhere in the UK, with the option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven … track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules) Experience designing and maintaining event-driven systems with high throughput and reliability Strong understanding of observability, availability, and resilience Experience working in security-conscious, regulated, or mission-critical domains Skilled with CI/CD pipelines , Infrastructure-as-Code , and More ❯

Senior Software Engineer – Trading Systems | Clean Energy | Hybrid (UK) | £100k–£180k DOE + Bonus Are you a seasoned software engineer ready to build the trading and monitoring systems powering the UK’s next generation of clean energy? This is your opportunity to join a leading Greentech with over £400 million in funding. This is a complex, high-impact … someone who thrives is looking to join as the first engineer as they build this trading system. As a Senior Software Engineer, you will: Design and build automated trading systems for UK energy markets Develop real-time bidding, dispatch, and optimization tools Build monitoring dashboards for LAES operations and grid stability systems Develop data pipelines using Kafka and … TimescaleDB Create microservices to connect trading platforms and grid operators What We’re Looking For Strong Software Fundamentals: Excellent Python skills (Rust is a bonus) and experience designing distributed systems, REST APIs, and microservices Data & Infrastructure: Experience with Kafka or similar streaming technologies, PostgreSQL, and time-series data management DevOps & Observability: Familiar with Docker, monitoring, and observability tools More ❯

Senior Back-End Developer – Fintech | London (Hybrid) Build high-performance financial systems powering global transactions. We’re partnering with a scaling fintech in London to hire a Senior Back-End Developer with deep experience building resilient, low-latency systems within regulated environments. If you enjoy designing high-throughput services and solving complex technical problems in payments/financial … work will directly impact transaction speed, reliability, and platform scalability. You will: Architect and build high-performance, event-driven services Develop secure, fault-tolerant APIs for transaction processing Optimise systems for latency, throughput, and concurrency Work with distributed systems , messaging queues, and microservices Implement and maintain KYC/AML, authentication, authorisation flows Collaborate across Product, DevOps, and … SRE to scale infrastructure Uphold best practices around security, observability, and testing Tech Stack (Experience with Most Required) Node.js/TypeScript or Java (ideal for high-scale fintech systems) Microservices architecture Kafka, RabbitMQ, SNS/SQS or similar messaging tools PostgreSQL, MySQL, Redis , NoSQL Containerisation with Docker & Kubernetes Cloud experience with AWS (Lambda, ECS, EKS, API Gateway, DynamoDB) Experience More ❯

Forward-Deployed Research Engineer (FDRE) London (Remote) Have you deployed AI systems end-to-end before? Are you comfortable working in fast-moving, ambiguous environments? Do you have experience working directly with customers on technical solutions? Are you ready to stand at the frontier of applied AI and build agentic systems that solve real-world, high-impact problems … the field; from goal setting, planning, through to production delivery and iteration. Partner closely with operators, stakeholders, and executives to scope what truly matters, then turn that into deployed systems with measurable impact. Work at the intersection of engineering, applied AI/agent research, product and deployment; embedding with customers and real-world use cases. Feed field signals and … tools, and libraries so that future deployments are faster, more powerful and more reliable. What You'll Get to Use and Learn You’ll engage with: Software engineering & platform­scale systems: backend services, distributed systems, pipelines, fault tolerance Agentic/LLM systems: multi-agent architectures, long-running agents, tool/prompt/program design, guardrails Evaluation & experimentation More ❯

already loving it? Want to 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, identifying bottlenecks, and 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 engineering to improve practices, tooling, and system design. Mentor and influence … technical direction company-wide. Tech & Environment Kotlin (JVM) , distributed systems, microservices, CI/CD Cloud-native platforms (AWS/GCP), modern engineering culture What They're Looking For Deep JVM/backend experience; Kotlin a bonus, but not required. Strong systems thinker with a track record of architectural leadership. Experience scaling production systems in fast-moving More ❯

looking for a DevOps Lead to join their journey. This is a hands-on leadership role where you’ll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You’ll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What’s On … you’ll: Architect and optimise a high-scale, cloud-native PaaS. Champion CI/CD, automation, observability, and reliability. Design and maintain secure, performant public APIs. Build real-time, distributed systems on AWS (Lambda, DynamoDB, Kinesis, ECS/EKS). Mentor a cross-functional team and elevate engineering standards. Prototype and ship features that drive commercial impact — including … console or dashboard backend. Deep expertise in serverless/event-driven architecture on AWS. Mastery of CI/CD, Agile delivery, and containerisation (Docker, Kubernetes). Strong leadership of distributed engineering teams. Desirable: Experience in social media, advertising, eCommerce, or news. Proficiency in Node.js, Go, Python, Java, and modern front-end frameworks. AWS certifications, microservices/service mesh, and More ❯

looking for a DevOps Lead to join their journey. This is a hands-on leadership role where you'll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You'll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What's On … you'll: Architect and optimise a high-scale, cloud-native PaaS. Champion CI/CD, automation, observability, and reliability. Design and maintain secure, performant public APIs. Build real-time, distributed systems on AWS (Lambda, DynamoDB, Kinesis, ECS/EKS). Mentor a cross-functional team and elevate engineering standards. Prototype and ship features that drive commercial impact - including … console or dashboard backend. Deep expertise in serverless/event-driven architecture on AWS. Mastery of CI/CD, Agile delivery, and containerisation (Docker, Kubernetes). Strong leadership of distributed engineering teams. Desirable: Experience in social media, advertising, eCommerce, or news. Proficiency in Node.js, Go, Python, Java, and modern front-end frameworks. AWS certifications, microservices/service mesh, and More ❯

pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the distributed systems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of … Collaborate across disciplines , working with ML engineers, biologists, and platform teams to ensure seamless integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . … systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change how we understand life itself, we More ❯

Aker Systems was founded in 2017 by a team of experienced technology professionals who recognised an opportunity to provide highly secure enterprise data platforms to large organisations. We build and operate ground-breaking, ultra-secure, high performance, cloud-based data infrastructure for the enterprise. Our proprietary technology solutions drive performance and reduce costs while helping our clients to improve … the management and sharing of data across their organisations. In 2024, Aker Systems won the Breakthrough Culture Awards highlighting growth companies putting culture first. In 2020 Aker Systems was recognised as a One to Watch on the Sunday Times Tech Track. The Company was also recognised at the Thames Valley Tech Awards 2020; winning the Thames Valley Tech … role. If you dont hold SC clearance, we will support you to apply assuming you have lived and worked in the UK for a minimum of 5 years. Aker Systems deliver secure cloud hosted solutions into the public and private sectors. We are rapidly expanding and are looking to hire a Principal Data Architect to support the delivery of More ❯

What You’ll Bring: Expertise in Modern C++ : You’re an expert in C++ and can write low-latency code that powers high-performance trading systems. Understanding of Trading Systems: You understand trading systems (anything from packet-level exchange connectivity to improving the performance of strategy code) better than most. Passion for Building : You’re excited by the … C++17, C++20, C++23, Quant Research, Quant Development, Quant Developer, Intraday Trading, Quant Fund, Hedge Fund, Finance, Equities, Futures, FX, Modelling, Strategies, Trading Signals, Multithreading, Linux, Unix, High-Performance, Operating Systems, Real-Time, Algorithms, Algorithmic Trading, Electronic Trading, E-Trading, Systematic Trading, High-Frequency Trading, HFT, High Frequency, Startup, Scaleup, Prop Trading, Execution, Algo Trading, Quant Trading, Parallel Computing, Optimisations … Low-Latency, Algorithms, Distributed Systems, Market Data, Connectivity, Trading Engine, Systems Design, Hardware, Kernel, Sockets, Networking, TCP/UDP, Systems Programming, Low-Level, Trading. More ❯

company backed by top investors, with a world-class team combining expertise in AI, behavioral science, and strategic simulation. The Role As an AI Engineer, you'll build the systems that bring our AI agents to life and scale the infrastructure that powers our LLM-driven synthetic populations. You'll design agent cognitive architectures, implement context engineering and memory … systems, while ensuring these AI systems can operate reliably at scale in production environments. This role balances AI agent development with backend engineering—ideal for engineers who want to work directly with large language models to create realistic behavioral simulations, while building the robust infrastructure needed to deploy them in enterprise settings. What You'll Do Architecture & Development … Design and implement the cognitive systems that give AI agents consistent personalities, memory, and reasoning capabilities, using advanced LLM techniques like chain-of-thought prompting, RAG systems, and agentic tool use. Modeling & Experimentation : Design and run systematic experiments to evaluate agent behavior, test hypotheses about behavioral patterns, and iterate on model architectures based on empirical results and validation More ❯

/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale … design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL and relational database skills More ❯

seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature data from every corner of the globe, building robust, low-latency APIs that power logistics decisions worth millions of dollars, and … and overall developer productivity. Experience Back-End Development Mastery Backend Expertise: Advanced TypeScript/Node.js/Python skills with deep, hands-on understanding of designing and implementing high-scale distributed systems. API Design: Proven track record designing, implementing, and optimizing production-grade APIs (REST/GraphQL) for both internal and external consumption. Data Systems: Experience with optimizing database … queries and schema design for both relational (PostgreSQL, MySQL) and NoSQL/Time-Series databases (e.g., DynamoDB, TimescaleDB) under high-throughput conditions. Scale & Performance Focus Experience building systems that efficiently handle millions of requests/events per day with stringent latency requirements. Deep understanding of distributed systems principles , caching strategies (e.g., Redis, Memcached), and microservices communication patterns More ❯

already loving it? Want to 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, identifying bottlenecks, and 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 engineering to improve practices, tooling, and system design. Bring new ideas … to the cross-functional team Tech & Environment Kotlin (JVM) , distributed systems, microservices, CI/CD Cloud-native platforms (AWS/GCP), modern engineering culture What They're Looking For Some commercial server-side Kotlin development experience Experience working in an Agile team with modern software development practices Clear communicator who enjoys cross-functional collaboration and technical ownership. Want More ❯

to £100k Albert Bow has partnered with a fast-growing global fintech platform transforming how institutional clients access digital assets. The team is building high-performance, low-latency trading systems at the forefront of financial services. The Role: Join a dedicated, high-performing engineering team to build and maintain Order Management Systems, exchange gateways, and risk management systems. … ll work on critical infrastructure powering institutional trading. What You’ll Do: Build scalable, high-performance trading services using Python and SQL Develop and maintain OMS and exchange connectivity systems Apply best practices in multithreading, network programming, and performance tuning Collaborate across teams to improve system reliability and efficiency Contribute to architecture and system design in a fast-paced … environment What You’ll Bring: Strong Python and SQL experience Experience with low-latency, high-throughput systems (trading, fintech, or real-time applications) Familiarity with multithreading, network programming, and performance optimization Understanding of algorithms, data structures, and distributed systems Experience in trading systems or financial infrastructure is a plus, but blockchain/crypto experience is not More ❯

Employment Type: Full-time, Permanent About the Role We’re looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad-Tech systems. You’ll lead the delivery of cross-service features within a modern cloud platform, making pragmatic architectural choices and setting high standards for engineering … quality, reliability, and performance. You’ll play a key role in shaping technical direction, mentoring engineers, and ensuring the systems you build are secure, observable, and resilient. Key Responsibilities Lead complex delivery: Drive the end-to-end design and implementation of Python-based microservices and cloud-native solutions hosted on AWS. Architect and optimise systems: Define service boundaries … scalable, high-availability systems. Raise engineering quality: Champion best practices for testing, observability, and security. Review critical PRs and guide technical decisions across the team. Operate and improve production systems: Monitor performance, reliability, and cost efficiency. Lead incident response and drive continuous improvement. Mentor and grow others: Support engineers through pairing, feedback, and documentation to strengthen technical capability across More ❯

the messaging service. Required Skills & Qualifications: 3+ years of experience administering Solace PubSub+ messaging systems. Strong background in production support , preferably in a 24x7 enterprise environment. Experience working with distributed systems over WAN , with an understanding of networking, latency, and failover strategies. Solid experience with Prometheus and Grafana for system monitoring and alerting. Proficiency in troubleshooting message delivery … persistence, and topic routing. Experience with capacity management , performance tuning, and system scaling. Familiarity with Linux/Unix systems and scripting (Bash, Python, etc.). Strong analytical and problem-solving skills, with attention to detail. Excellent communication and collaboration skills. Nice to Have: Experience with containerized environments (Docker/Kubernetes). Exposure to other messaging platforms (Kafka, RabbitMQ, MQ … critical applications. Exciting opportunity to work with a wide array of technologies. Chance to further develop your programming skills while administering and supporting one of the most advanced messaging systems available in the market. More ❯

most critical industries of our time. The Role They're seeking a Golang Software Engineer to join our backend engineering team. You’ll design, develop, and maintain the core systems that power our energy intelligence platform — from real-time data processing to distributed services that handle millions of data points daily. What You’ll Do Develop high-performance … resilient energy infrastructure. What they are looking for 3+ years of professional experience in backend software development (with at least 1–2 years using Golang). Solid understanding of distributed systems , concurrency , and API design . Experience with PostgreSQL , Kafka , Redis , or similar technologies. Familiarity with Docker , Kubernetes , and cloud platforms (AWS, GCP, or Azure). Strong problem … solving skills and attention to performance and reliability. Bonus points for experience in the energy sector , IoT systems , or data engineering . Why Join Shape technology that enables a sustainable energy future. Competitive pay, stock options, and flexible working hours. Collaborative, mission-driven culture with a focus on innovation and impact. Opportunities for growth, learning, and working with cutting More ❯

Senior Python Engineer | London We’re partnering with a high-growth AI startup that’s building intelligent automation systems designed to simplify complex, real-world operations. Their platform is already redefining how data, workflow, and human decision-making come together — and they’re scaling fast. If you’re excited by the idea of joining an elite engineering team tackling … deep technical problems in AI, automation, and scalable software systems, this could be the role for you. The Role: As a Senior Python Engineer , you’ll take ownership of backend design and development, helping to shape the architecture behind cutting-edge AI-driven platforms. You’ll work closely with AI and product teams to bring intelligent features into production … solving high-impact problems with clean, scalable code. Responsibilities: Architect, design, and build robust backend systems and APIs using Python. Collaborate with AI and data teams to integrate models into production environments. Optimise and scale distributed systems and data pipelines for performance and reliability. Contribute to overall technical strategy, code reviews, and system architecture discussions. Work cross More ❯

Up to £160,000 + Bonus + Benefits We’re supporting a major financial services organisation hiring an eFX Software Engineer to build and optimise ultra-low-latency trading systems used across global FX markets. If you’re a high-performance Java engineer who loves solving complex technical challenges at scale, this is a standout opportunity. What you’ll … work on: Engineering sub-40μs latency eFX systems with high throughput and fault tolerance Designing real-time pricing, risk and trading components Evolving low-latency Java patterns (lock-free, low-GC, CPU/cache optimisation) Working closely with quants, traders, architects and senior engineers Influencing technical strategy across distributed, performance-critical systems What we’re looking for … low-latency Java within trading, eFX or electronic markets Deep understanding of networking (TCP/UDP/FIX), Linux tuning, performance profiling Background in designing high-performance architectures and distributed systems Strong grasp of FX pricing, risk, and trading workflows Solid engineering fundamentals: testing, CI/CD, API design, automation Why join? Work on mission-critical systems More ❯

fostering a culture of innovation and continuous improvement Drive automation initiatives across the organisation, identifying opportunities for efficiency gains through intelligent automation Integrate AI/ML capabilities into existing systems and develop new AI-powered solutions Establish and maintain coding standards, architectural decision-making processes, and technical debt management Create and execute technical roadmaps aligned with business objectives Implement … DevOps and SRE best practices across distributed systems Manage stakeholder relationships and translate complex technical concepts into business value Essential Experience & Skills Technical Leadership Proven track record leading development teams of 8-15+ engineers Experience with code reviews, architectural decision-making, and technical debt management Ability to establish coding standards and best practices across teams AI/ More ❯

degree in Computer Science or a related technical field, or equivalent practical experience. 7+ years of hands-on experience in backend development, building and maintaining high-availability, high-throughput systems in production. Technical & Backend Skills Expert-level proficiency and at least 5 years of production experience with C++ OR Go (Golang) . Strong, proven experience designing, building, and scaling … high-availability RESTful APIs for mobile or web clients. Deep experience with distributed systems, microservices architecture, and event-driven patterns. Demonstrated experience with real-time applications and data streaming technologies (e.g., WebSockets, gRPC, Kafka). Experience integrating third-party AI/ML APIs (e.g., LLMs, STT/TTS, or other complex services) into production systems. Experience with containerization More ❯

domains. The Role We are seeking a DevOps/Platform Engineer to maintain and enhance our existing platform infrastructure, with opportunities to contribute to backend development when needed. Our systems are already live and in active use, so your focus will be on reliability, performance, automation, observability, and clean, maintainable Infrastructure-as-Code. You’ll also support Python and … Operate and enhance CI/CD pipelines using GitHub Actions Containerise and deploy backend applications using modern tooling (e.g., Docker, Kubernetes) Implement and manage comprehensive logging, monitoring, and alerting systems Contribute to the backend codebase for service integrations, internal tooling, and incident resolution Improve developer workflows and internal automation to increase team velocity Collaborate with engineers across the stack … to ensure system reliability and scalability Required Experience Proven experience operating production-grade systems in a live environment 1–3 years experience in DevOps, Cloud Engineering, or Platform Engineering roles Hands-on experience with Infrastructure-as-Code using Terraform (modular and reusable patterns preferred) Strong foundation in Linux, networking, and container technologies Experience deploying and managing applications on at More ❯

design, and influence in equal measure — helping to define how technology evolves as the firm expands. Core Responsibilities Lead and inspire a team of engineers delivering next-generation trading systems and data platforms designed for scalability, performance, and resilience. Embed modern engineering principles — event-driven architecture, distributed systems, CI/CD automation, and cloud-native design — across … leading and scaling engineering teams within a front-office trading or high-performance technology environment. Strong hands-on background in modern C++, Java, or Python, with deep understanding of systems architecture and distributed design. Proven ability to bridge business and engineering, collaborating effectively with PMs, data scientists, and operations teams. A passion for building engineering culture — developing people More ❯