1 to 25 of 40 Contract Distributed Systems Jobs in England

Lead Backend Software Engineer – Data Services Federated Data Services | Distributed Systems | Apache Spark | DataFusion | Python | Kubernetes Location: London (2 days per week onsite) Rate: £700–£800 per day (Outside IR35) Duration: Initial 6-month contract with likely extension Overview We're looking for an experienced Lead Backend Software … first principles, thrives in ambiguity, and can balance strategic architectural thinking with hands-on software engineering. This role is centred around designing and building distributed data services rather than traditional application development. Role & Responsibilities Lead the design and development of scalable, cloud-native data services supporting a federated platform. ...

Infrastructure Engineer (GPU, Distributed Systems, AI Platforms) A leading AI business is hiring an AI Infrastructure Engineer who has experience with GPU, Distributed Systems & AI Platforms. Hybrid/Remote options available. Outside IR35. Paying between £800 to £1000 per day. Experience and skills required … Infrastructure Engineer, GPU, Distributed Systems & AI Platforms ...

Infrastructure Engineer (GPU, Distributed Systems, AI Platforms) A leading AI business is hiring an AI Infrastructure Engineer who has experience with GPU, Distributed Systems & AI Platforms. Hybrid/Remote options available. Outside IR35. Paying between £800 to £1000 per day. Experience and skills required … Infrastructure Engineer, GPU, Distributed Systems & AI Platforms JBG81_UKTJ click apply for full job details ...

need an experienced solution architect with 8-12+ years who works closely with the IT Systems Architect on internal BSS systems modernisation, vendor rationalisation and application portfolio simplification. Embedded in workstreams, you break down strategic designs into implementable features whilst ensuring system stability, architectural consistency and long … processes and integration patterns at implementation level - Integration architecture: microservices, API gateways, event-driven architectures, event brokers (Kafka), queues - handling 120+ integration points across systems and legacy stacks - Lead-to-Cash (L2C) and Order-to-Cash (O2C) solutions in Tier-1 telecom operator environments - TMF standards: Product Ordering (TMF641 ...

Rate is available for suitable candidates Role Profile As a Senior Java Engineer, you will play a pivotal role in delivering resilient and secure systems that meet the demands of modern trading. You'll collaborate closely with product, trading, and infrastructure teams to create seamless end-to-end features … Core Java, multithreading/concurrency, and performance tuning. Low Latency Expertise: Proven experience in low latency design and patterns that enhance trading performance. Distributed Systems: Experience in designing and operating distributed systems, including microservices, event-driven architectures, and messaging/streaming solutions. Computer Science Fundamentals: Solid ...

working within modern engineering environments. Experience required Engineering Ownership - Takes responsibility for delivery end-to-end, including debugging, optimisation and production support. Microservices & Distributed Systems - Experience building scalable distributed systems with a focus on reliability, integration and performance. Event-Driven Thinking - Understanding of event-driven architectures … decoupled systems and real-time data flows. Architecture & Design - Contributes to solution design, applies engineering best practices and influences technical decisions. Seniority & Influence - Operates at Senior/Lead Engineer level, mentors others, challenges requirements and engages confidently with stakeholders. Enterprise Experience - Experience within complex enterprise environments. Financial services experience ...

Essential Skills Strong commercial experience with C#/.NET and Java (Spring Boot) . Proven delivery of microservices and REST APIs . Experience with distributed systems and enterprise integration. Strong SQL experience (SQL Server and/or Oracle). We're Looking For Engineering Ownership - Takes responsibility … delivery end-to-end, including debugging, optimisation and resolving production issues. Microservices & Distributed Systems - Strong understanding of scalable, distributed architectures and the challenges around reliability and performance. Event-Driven Thinking - Knowledge of event-driven architectures, decoupled systems and real-time data flows. Architecture & Design - Applies sound ...

ideal candidate will be responsible for designing, developing, and maintaining high-performance, scalable backend applications and microservices. This role requires hands-on experience with distributed systems, REST APIs, cloud technologies, and modern software engineering practices. Key Responsibilities Design, develop, and maintain backend services and microservices using Golang. Build … Cassandra. Knowledge of Docker and containerized applications. Experience with Git version control. Strong understanding of Linux/Unix environments. Experience developing scalable and distributed applications. Cloud & DevOps Experience with AWS, Azure, or Google Cloud Platform. Familiarity with Kubernetes and container orchestration. Experience with CI/CD tools such ...

Engineer to join a high-performing engineering team delivering business-critical systems. This is a hands-on engineering role focused on building and evolving distributed backend systems in a high-performance environment. You will be working on a distributed calculation engine used for complex index-level computations … based on quantitative models. Distributed, manager-worker architecture Built using Scala and Python components High requirements around: o Performance o Accuracy o Security This is a feature development role, not BAU/support, with significant scope to influence system design and evolution. Role Responsibilities Design, build, and evolve core ...

leadership role where you will guide developers while contributing directly to backend development, APIs, and automated testing. You will work on complex, high-traffic systems using modern engineering practices, helping to design and deliver robust, scalable services that are resilient and production-ready. Key Responsibilities Lead or mentor …/BDD) Support CI/CD and continuous deployment practices Contribute to 2nd-line production support and incident resolution Build scalable, high-performance distributed systems Work with large datasets and ensure systems scale effectively Communicate technical concepts to non-technical stakeholders Work in Linux/Unix-based ...

data streaming platform. You will be responsible for designing, building and optimising scalable event-driven solutions that enable reliable, high-performance data movement across distributed systems. Working closely with engineering, architecture and platform teams, you will help establish best practices for event modelling, stream processing and system integration within … systems. Strong understanding of: Event-driven architecture Data flow design Event modelling System decoupling Experience integrating streaming platforms within microservices ecosystems. Strong knowledge of distributed systems, messaging patterns and asynchronous processing. Experience designing scalable, resilient and highly available streaming solutions. Excellent problem-solving and communication skills. Desirable Skills ...

organisation, driving continuous innovation and delivering reliable, high-quality solutions to support critical business operations. The technology landscape includes HP NonStop (Tandem) systems and a distributed Linux-based messaging and communications infrastructure. The successful candidate will contribute across the full software development lifecycle, from design through to delivery … WebSphere MQ v9 Databases: Oracle 19 (SQL, PL/SQL, data modelling) Messaging & Data Formats: MRM, XML, JSON Integration Exposure Kafka HP NonStop systems SWIFT connectivity Required Skills & Experience Proven experience across the full software development lifecycle Strong **analysis, design andHeres a clean, fully anonymised and market-ready version ...

Senior Java Backend Engineer (Distributed Systems & Messaging) Location: London, UK (Hybrid) Role Type: Permanent Tech Stack: Java 8+, Concurrency, Apache Kafka/JMS/TIBCO, Spring Boot, Microservices, Low-Latency About the Team & Platform We are building and scaling a complex, high-throughput, electronic trading platform distributed … data pipelines that ingest live trade feeds directly from external international exchanges and trading venues. What You Will Do Design, implement, and adapt complex distributed trading workflows to meet shifting market and business demands. Optimize high-throughput, low-latency asynchronous processing components to handle massive transaction volumes smoothly. Work ...

Backend Engineer to lead the evolution of a global platform supporting international expansion and acquisition integration. This role focuses on building and scaling transaction systems that enable global commerce, while evolving an existing real-time platform to support new markets. You will address backend capacity constraints and help design … senior engineering role requiring both high-quality delivery and strong technical leadership in ambiguous, high-scale environments. You will be expected to: Design scalable systems with correctness and failure modes considered from the outset Clarify and scope requirements before proposing solutions Make pragmatic trade-offs in system design, avoiding ...

powered applications. The role would suit a strong software engineer with hands-on experience building cloud-native applications, embedding AI capabilities into production systems, and taking ownership across the full delivery lifecycle. Key responsibilities: * Design, build and maintain AI-enabled applications using enterprise GenAI services* Develop production-grade microservices … applications* Ensure applications meet non-functional requirements around security, scalability, resiliency, performance and cost Essential skills: * Strong software engineering background with experience delivering complex distributed systems* Proven experience building and deploying production-grade applications that embed AI capabilities* Strong Python experience* Experience with LangGraph, Strands and DeepEval* Strong ...

ingestion, transformation, serving layers, and user-facing applications/UI. Translate business requirements into scalable, secure, production-ready technical solutions. Architect and implement modern distributed systems and data platforms aligned to strategic architecture principles. Drive engineering best practices across CI/CD, DevOps, automated testing (TDD/… Qualifications: Strong hands-on experience in front-end & application development (React.js/Next.js), backend development (Java or Python), and building secure, scalable APIs and distributed applications. Expertise in data engineering & platforms including SQL, data warehousing, ETL/ELT pipelines, data modelling, and integration of data science and analytics. Experience ...

technical or solution architect in complex digital or enterprise environments. * Strong software engineering foundation, with practical knowledge of modern application architectures (eg, microservices, APIs, distributed systems). * Proven ability to design and document architectures using visual modelling techniques such as C4, UML, and data flow diagrams. * Hands … Experience contributing to architectural communities of practice or governance forums. * Prior consultancy experience working across multiple product teams or client environments. Personal Attributes * Strong systems thinking and analytical capability, with the ability to understand complex environments quickly. * Comfortable operating in ambiguous or fast-changing environments while maintaining architectural clarity. ...

TypeScript, modern tooling (bundlers, linting, testing frameworks). * Backend: Core Java, Spring Boot (or similar), Multithreading/concurrency, performance tuning. * Experience designing and operating distributed systems (microservices, event driven architectures, messaging/streaming). * Strong understanding of computer science fundamentals (data structures, algorithms, concurrency, networking, OS). * Proven … experience in e trading or Real Time financial systems (FX highly desirable), including familiarity with market data, order flows, and execution workflows. * Hands on with CI/CD, containerization, cloud/on prem deployments, and observability. * Comfort evaluating and integrating AI coding tools into daily development workflows. * Excellent communication ...

software engineering experience, with deep expertise in: Core Java, multithreading/concurrency, performance tuning. Experience with low-latency design and patterns. Designing and operating distributed systems (microservices, event-driven architectures, messaging/streaming). Strong understanding of computer science fundamentals (data structures, algorithms, concurrency, networking, OS). Proven … experience in e-trading or real-time financial systems (FX highly desirable), including familiarity with market data, order flows, and execution workflows. Hands-on with CI/CD, containerization, cloud/on-prem deployments, and observability. Comfortable integrating AI coding tools into daily development workflows. Excellent communication and stakeholder ...

risks, issues, and areas for improvement Produce clear reports on testing activities, outcomes, and associated risks Automate data validation and application testing processes across distributed systems Investigate production issues using data analysis to identify root causes Work with orchestration tools (e.g., Apache Airflow) to monitor workflows and troubleshoot … services, including: Monitoring and logging tools Storage and data services Compute and container services Experience with CI/CD pipelines and version control systems (e.g., GitLab) Knowledge of Infrastructure as Code (e.g., Terraform) Familiarity with Docker and containerised environments Data & Analytics Strong data analysis skills, including working with structured ...

build of a greenfield SaaS platform as a deeply senior, hands-on C# engineer, with heavy emphasis on deep .NET engineering , high-performance distributed systems , and real-world AWS serverless delivery . Youll also have the opportunity to develop hands-on skills with Claude Code … industry. Role Overview: Youll operate as the technical spearhead for a greenfield product build, reporting to the Director of Engineering. Expect deep backend engineering, distributed system design, and high-quality serverless delivery, plus the chance to adopt modern AI-assisted development practices as part of your workflow. What Youll ...

Participate in peer reviews for design, code, and testing artefacts Ensure adherence to quality standards and best practices Collaborate with cross-functional teams across distributed systems Technical Environment Platforms Linux (Red Hat Enterprise Linux) Middleware & Technologies IBM App Connect Enterprise (ACE) v12/v13 WebSphere MQ v9.0 Oracle … problem-solving skills Hands-on expertise with: ACE development & administration MQ design and messaging patterns Oracle database technologies (SQL/PL-SQL) Experience in distributed Linux environments Exposure to large-scale financial or enterprise systems Desirable Skills Knowledge of SWIFT messaging standards: ISO 15022 ISO 20022 Experience working ...

compliance, and architectural standards Provide technical leadership and guidance to engineering teams Drive best practices across cloud architecture and delivery Oversee integration patterns across systems and services Support design reviews, governance forums, and assurance activities Collaborate with stakeholders to manage risks and dependencies Ensure solutions are optimised for performance … experience as a Solution Architect in complex programmes Strong background in cloud architecture (GCP preferred, AWS/Azure acceptable) Experience designing secure, scalable enterprise systems Strong understanding of integration patterns and distributed systems Experience producing architecture documentation (HLD/LLD) Strong stakeholder engagement and communication skills Experience ...

self-serve their system metrics and traces. Implementation & Enablement: Assist digital engineering teams in implementing synthetic monitoring, health checks, observable CI/CD pipelines, distributed tracing, and cloud-native monitoring patterns. Partner with SRE, DevOps, and engineering teams to embed observability into digital platforms and services. Collaboration & Culture: Promote … least 5 years in SRE, Observability, or DevOps functions. Hands-on proficiency with observability tools such as Datadog, Grafana, Prometheus, OpenTelemetry. Strong knowledge of distributed systems, microservices, and container orchestration (Kubernetes, Docker). Experience with automation and Infrastructure as Code (Terraform, Ansible) and CI/CD pipelines. Familiarity ...

contract 3 days onsite - City of London They're looking for a strong, hands-on engineer (5+ years) with experience in big data/distributed systems and modern data platforms. Please click here to find out more about our Key Information Documents. Please note that the documents provided ...