1 to 25 of 32 Contract Distributed Systems Jobs in England

Site Reliability Engineer (Contractor)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£540 - £550 per day
architectural decisions, and build automation that elevates deployment safety and operational efficiency. This is a hands-on, senior technical role with direct influence on systems that generate significant global revenue.Key ResponsibilitiesReliability & Risk Engineering* Identify systemic reliability risks and drive long-term preventative improvements* Define and refine SLIs, SLOs … teams to embed reliability into system designYOUR SKILLS & EXPERIENCERequired:* Degree in Computer Science, Engineering, or equivalent experience* 7+ years in SRE, Production Engineering, or Systems Engineering roles* Strong understanding of distributed systems, failure modes, and consistency models* Hands-on experience operating production workloads ...

Software Engineer

Hiring Organisation
Pontoon
Location
Warwickshire, United Kingdom
Employment Type
Contract
disruption and enhanced performance. Automated Testing: Implement TDD and automated testing to uphold high-quality standards. Monitor and Analyze: Enhance performance and reliability across distributed systems to ensure operational efficiency. Build Automation Solutions: Develop CI/CD pipelines, configuration management, and deployments to streamline processes. Security Practices: Uphold … preferred; solid mid-level considered). Deep hands-on AWS experience (core services, serverless, compute, networking). Proven experience in migrating or modernizing legacy systems into cloud environments. Proficiency in test-driven development (TDD) and automated testing frameworks. Familiarity with Agile delivery, especially Scrum methodologies. A solid foundation ...

Senior Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Hybrid - 1 day onsite, 4 days remote) Overview We are seeking a Senior Engineer to deliver across key Identity-focused workstreams within a modern, distributed engineering environment. You will bring a strong backend engineering foundation alongside hands-on delivery capability, operating across multiple services and components. This role requires … continuous improvement. You will work within a structured delivery framework while maintaining a strong focus on product impact, security, and customer outcomes. As identity systems increasingly interact with automated and AI-enabled workflows, we value engineers who stay aware of emerging security considerations within these modern environments. Core Technical ...

SRE - Site Reliability Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £62/hour
Hour - £62 Per Hour Inside IR35 Job Overview We are looking for a Senior Site Reliability Engineer with strong experience in Observability, Monitoring and Distributed Systems to support large-scale cloud infrastructure supporting millions of devices globally. The role focuses on building and scaling monitoring, logging and alerting … platforms to ensure high availability and performance of cloud services. Responsibilities Design, deploy and scale observability platforms Manage and scale Prometheus monitoring systems Deploy and maintain large Elasticsearch clusters Build and maintain data pipelines using Kafka Develop alerting and monitoring frameworks Automate infrastructure using Terraform and Ansible Develop tools ...

Card Solutions Architects - Contract role - Sheffield - Immediate

Hiring Organisation
StrategicsIQ Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
drive architecture and design across a large-scale commercial cards ecosystem. Key Responsibilities Own and deliver end-to-end solution architecture for card-based systems, ensuring alignment with enterprise architecture principles and platform roadmaps Translate business requirements (BRDs) into solution designs , decomposing into MVPs, epics, and detailed technical stories … Design and implement scalable, resilient, and secure architectures across distributed systems Define integration patterns (REST APIs, messaging, event-driven architecture) across internal platforms and external partners Provide hands-on architectural leadership to engineering teams, ensuring design consistency and adherence to standards Govern solutions through architecture review boards , ensuring ...

Technical Architect Principal (UK)

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
designing major solution components, defining reference architectures, and guiding development teams through POCs to production-scale implementations. The role has a strong open-source, distributed systems, and data architecture focus, with frequent CIO-level technical interactions. Your Responsibilities Architecture & Blueprint Design Define end-to-end architecture blueprints covering … Your Profile Essential Skills/Knowledge/Experience Core Experience 10+ years of experience in enterprise architecture or principal technical roles. Strong background in distributed systems and data platforms. Hands-on experience with OpenTelemetry, Kafka, and time-series data platforms. Technical Expertise Architecture of high-volume telemetry ...

Java Full Stack Developer

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
problem-solving capability. Key Responsibilities Design, develop, and maintain scalable Java and Python-based applications Build and enhance microservices and REST APIs for distributed systems Collaborate with product, UX, and engineering teams to deliver high-quality solutions Contribute across the full software development lifecycle (design to deployment) Implement … initiatives using modern frameworks and tools Required Skills & Experience 10+ years of backend software engineering experience Strong expertise in Java and Python Experience building distributed, data-intensive systems Microservices architecture and REST API development Strong knowledge of SQL databases (Oracle, SQL Server, PostgreSQL) CI/CD tools ...

Site Reliability Engineer

Hiring Organisation
Sphere Digital Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £551 per day
standards, influencing architectural improvements, managing complex incidents, and building automation to improve deployment safety and operational efficiency. Your work will directly support high-traffic systems used by a global audience. Key Responsibilities Reliability & Risk Engineering My client is looking for someone who can: Identify systemic reliability risks and drive … client is looking for candidates with: A degree in Computer Science, Engineering, or equivalent practical experience Strong experience designing and operating CI/CD systems with deployment safety practices Excellent communication skills with the ability to influence cross-functional teams 7+ years of experience in SRE, production engineering ...

Python Developer

Hiring Organisation
Ascendion
Location
London, United Kingdom
Employment Type
Permanent, Contract
expertise and hands-on experience building or supporting enterprise-grade platforms. This role is ideal for someone who has worked on complex, high-performance systems such as trading platforms , financial systems, or other large-scale enterprise applications. Key Responsibilities Design, develop, and maintain scalable backend services using Python … Build and enhance REST APIs and microservices Work on high-throughput, low-latency systems Deploy and manage applications on AWS cloud infrastructure Collaborate with cross-functional teams including DevOps and architecture Optimize performance, scalability, and system reliability Work with SQL/NoSQL databases and large datasets Required Skills & Experience ...

Senior Ruby Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
cloud optimisation initiatives What We’re Looking For Strong commercial experience as a Senior Ruby or Ruby on Rails Engineer Deep understanding of distributed systems and cloud-based application design Extensive hands-on experience with AWS Solid background in building scalable APIs, microservices, and backend systems Familiarity ...

Infrastructure Data Engineer (Kafka) - Outside IR35 - Remote

Hiring Organisation
Exalto Consulting ltd
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
container and orchestration tooling. Experience with CI/CD, Git, and infrastructure as code tools such as Terraform or Ansible. A solid understanding of distributed systems and streaming architectures. Experience supporting platforms where availability, resilience, and scale are important. Desirable experience Exposure to stream processing tools such … Apache Flink. Experience with cloud platforms including AWS, Azure, or GCP. Knowledge of hybrid environments. Experience with RBAC, multi-tenant systems, or usage metering. Experience with MSSQL or other relational databases. Working arrangement This role is fully remote and sits outside IR35. The team is based in Israel ...

Senior Software Engineer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
fast-moving team working on projects that support a large, multinational tech ecosystem. What We're Looking For Strong Go (Golang) development experience - production systems, performance, concurrency. Proven background in AI for coding (e.g., agent frameworks, LLM-powered tooling, AI code generation, or workflow automation). Hands-on experience … developing or integrating with LLM-based systems (Claude, Cursor, OpenAI, etc.). Experience with distributed systems, microservices, or platform engineering. Comfortable working in a fast-paced, experimental environment where the tech evolves every week. Why This Contract Is Exceptional You'll work in a brand-new domain ...

Gen AI Developer - Contract

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
that provide secure access to AI capabilities Develop Python-based components for prompt orchestration, output validation, and evaluation workflows Integrate LLMs into existing enterprise systems, ensuring alignment with security and observability standards Implement and manage CI/CD pipelines in line with engineering best practices Collaborate with cross-functional … retrieval-augmented generation (RAG) solutions and data integration patterns Establish reusable API standards, frameworks, and documentation to support wider adoption Troubleshoot and optimise distributed systems and cloud-based services Core Skills & Experience Strong background in backend engineering using Python (additional exposure to Node.js or similar is beneficial) Hands ...

Java Developer

Hiring Organisation
Teksystems
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
business teams to deliver outcomes at pace. Essential Skills Experience in JVM tuning and diagnostics for application troubleshooting and performance optimisation. Experience in distributed system design, including microservices and Spring Boot. Experience with containers and orchestration (Docker, Kubernetes) and service mesh. Experience in monitoring and observability technologies (e.g., AppDynamics ...

Senior Python Developer - SC Cleared - Hybrid

Hiring Organisation
SmartSourcing Ltd
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 560 Annual
experience in C#/.NET with experience building enterprise-grade applications - Mandatory experience designing, developing, and maintaining microservices-based architectures - Strong understanding of distributed systems, service-to-service communication, and fault tolerance - Experience building RESTful APIs and integrating services across multiple systems - Proficiency in writing clean, efficient … testable, and well-documented code - Experience with asynchronous/thread processing, messaging systems, and background workers - Strong experience with Git-based version control and CI/CD pipelines - Working knowledge of security best practices, authentication, and authorization - Solid overall software development experience - Proven experience delivering microservices-based systems ...

Senior Python Developer - SC Cleared - Full time onsite

Hiring Organisation
SmartSourcing Ltd
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 560 Daily
experience in C#/.NET with experience building enterprise-grade applications - Mandatory experience designing, developing, and maintaining microservices-based architectures - Strong understanding of distributed systems, service-to-service communication, and fault tolerance - Experience building RESTful APIs and integrating services across multiple systems - Proficiency in writing clean, efficient … testable, and well-documented code - Experience with asynchronous/thread processing, messaging systems, and background workers - Strong experience with Git-based version control and CI/CD pipelines - Working knowledge of security best practices, authentication, and authorization - Solid overall software development experience - Proven experience delivering microservices-based systems ...

Integration Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Norwich, Norfolk, East Anglia, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £575 per day
week) Duration of Assignment: 6 Months The Role The Integration Architect is responsible for designing, governing, and delivering enterprise scale integration solutions across distributed systems. This role requires deep expertise in event driven architecture (EDA), real time streaming, and cloud native integration patterns using Kafka and AWS messaging/… event-based integrations Experience designing event-driven and microservices architectures. Strong knowledge of: API integration patterns (REST, GraphQL) ETL/ELT and data pipelines Distributed system design High throughput and low-latency data streaming Good understanding of Java/Python/Node.js for integration logic. Familiarity with containerization & orchestration ...

Python Developer--SC Cleared

Hiring Organisation
Morson Edge
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - 550 per day
scalable backend services • Experience in C#/.NET including building enterprise-grade applications • Experience of designing, developing, and maintaining microservices-based architectures • Knowledge of distributed systems, service-to-service communication, and fault tolerance • Ability to build RESTful APIs and integrating services across multiple systems • Proficiency in writing … clean, efficient, testable, and well-documented code • Experience with asynchronous/thread processing, messaging systems, and background workers • Strong experience with Git-based version control and CI/CD pipelines • Working knowledge of security best practices, authentication, and authorization 6 month contract with scope to extend Full time ...

Senior Software Engineer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
shaping what engineering will look like in the next decade. If you're excited by LLM-powered development, agentic reasoning, and building new systems in Go - this is your contract. What You'll Be Working On Engineering Go (Golang) services forming the core of a large-scale GenAI developer … background in AI-for-coding , LLM-driven development, or autonomous agent frameworks. Experience designing or building LLM-powered platforms , tooling, or automation. Knowledge of distributed systems, event-driven architectures, or platform engineering. Passion for fast-moving, experimental R&D environments where the tech evolves daily. Why This Contract ...

Java Developer, Contract, Inside IR35

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
This role sits within a large-scale NHS digital transformation programme delivered via a leading consultancy partner. The programme focuses on modernising critical healthcare systems, improving access to services, and enabling seamless integration across national and local platforms. The work involves building scalable, secure, and interoperable digital services that … support high-volume user interactions and integrate with multiple systems across the healthcare ecosystem. The Role As a Java Developer, you will be responsible for designing, building, and maintaining high-quality backend services within a complex, distributed system. You will work closely with product, architecture, and engineering teams ...

Senior Product Manager - Data Platform

Hiring Organisation
Morgan McKinley
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £690 per day
priorities, technical complexity and regulatory considerations. Defining and owning the long-term product strategy and roadmap Ensuring data integrity, consistency and scalability across multiple systems and consumers Driving cross-functional delivery, managing dependencies across multiple teams Partnering closely with Engineering on APIs, integrations and event-driven architectures Maintaining operational … Commercial, Finance, Risk and Compliance What We're Looking For: Proven experience as a Senior or Technical Product Manager, within data platforms or backend systems Strong understanding of data ecosystems, including data modelling, data flows and system integration Experience working with APIs, distributed systems and event-driven ...

KDB Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
will work closely with front-office stakeholders, reacting quickly to business requirements while contributing to regulatory and business-driven enhancements. Prior experience with distributed systems and statistical analysis is highly desirable. * Location: London (Hybrid) * Daily Rate: Flexible * Start Date: ASAP Key Responsibilities * Develop and enhance KDB/ ...

Quality Engineer

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
programming languages such as Python, JavaScript, or Node.js. Practical hands-on experience with modern automation tooling. Exposure to testing data-driven applications and distributed systems. Desirable: Experience testing GenAI or LLM-based services. Background in supporting ML, NLP, or data-heavy engineering environments. Familiarity with validating prompt flows ...

Python Contractor

Hiring Organisation
ALTECH GROUP LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day
need expertise in Python Django, AWS & Typescript, and Engineers who are principally product focused, collaborative and can thrive in highly ambigious environments. Experience with distributed systems also a major plus as they are considering moving into this environment. They use Vue.js in the Frontend but will consider anyone ...

Senior Product Manager

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£70 - £80/hour
Product Management (Backend/DevEx focus). Communication: Ability to bridge the gap between business goals and engineering constraints. Technical Skills: Deep understanding of distributed systems, API design (RESTful), and event-driven architecture. Mindset: Data-driven, analytical, and comfortable in ambiguous environments. Strategy: Proven ability to align roadmaps ...