1 to 25 of 28 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 ...

Principal SRE - Site Reliability

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
mandatory) Overview We are seeking an experienced Principal SRE/Platform Engineer to lead platform-first initiatives focused on scalability, reliability, and performance across distributed systems. This role requires strong DevOps expertise and the ability to design and maintain resilient cloud-based infrastructure. Key Responsibilities Lead platform-first engineering … initiatives to enhance scalability and reliability Design, build, and maintain resilient infrastructure for distributed systems Implement monitoring and alerting solutions to ensure high availability Collaborate with engineering teams to improve system reliability and mitigate risks Develop and maintain CI/CD pipelines to support efficient deployments Recommend ongoing ...

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 ...

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 ...

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 ...

SC Cleared Technical Architect - Up to £615 inside IR35

Hiring Organisation
Solirius Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
direction. Collaborate with stakeholders across business, product, and IT to gain buy-in and drive decisions. Define integration patterns, APIs, and data flows between systems and services. Contribute to DevOps, automation, and infrastructure-as-code practices for delivery at scale. Ensure security, compliance, and risk management are Embedded … delivering end-to-end data and application architectures in enterprise settings. Expertise in conceptual, logical, and physical architecture modelling. Deep understanding of large-scale, distributed systems and integration patterns. Ability to design solutions that meet both functional and non-functional requirements, including performance, scalability, security, and compliance. Broad ...

Application Security Engineer

Hiring Organisation
McCabe & Barton
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £600 to £900 per day
coverage Build or integrate AI-enabled security workflows to improve automation, signal quality, and developer productivity Support secure software development practices across large-scale distributed systems Design and develop internal security tooling, libraries, and services that integrate seamlessly into engineering workflows Build and maintain CI/CD extensions … organisation (eg Python, Go, JavaScript, PHP, or C#) Partner with platform and DevOps teams Key Requirements Software engineering background with experience building production-grade systems Experience designing APIs, services, or internal platforms used by engineers Integrating tools into CI/CD pipelines (eg GitHub, GitLab, Jenkins) Strong understanding ...

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 ...

Solution Architect Platform Modernisation

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
excellence and continuous improvement Influence long-term technology strategy by developing patterns, frameworks, and reusable architectural approaches Support the transformation of legacy and monolithic systems into modern, cloud-native ecosystems Your Profile Essential skills/knowledge/experience: Proven experience in solution architecture and engineering, with a strong track … build, delivery, and design principles Experience architecting modern ecosystems to support the transformation of monolithic applications Strong understanding of event-driven architectures, APIs, and distributed systems Ability to define and embed patterns, standards, and engineering practices across teams Excellent storytelling and communication skills, able to articulate architectural vision ...

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 ...

Python Quant Dev - Cash Equities/Algo/Backtesting/Trading/Market Making

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Python development skills (Java exposure beneficial but not core) Experience with electronic trading strategies and market microstructure Knowledge of European equities markets Exposure to distributed systems and large-scale data analysis desirable Excellent communication skills; able to work with global teams and clients High-frequency trading experience advantageous ...

Salesforce Solution Architect

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Contract
approval for solution architectures across systems. Key Responsibilities Define and own end-to-end solution architecture across Salesforce, Data Cloud, and connected enterprise systems Analyze existing client architecture and design target-state architecture aligned to prioritized use cases Create architecture diagrams (logical, physical, integration flows) and document solution designs …/Service Cloud) Exposure to Salesforce Data Cloud (preferred) Exposure to Agentforce/AI-driven workflows (good to have) Knowledge of cloud architecture and distributed systems Familiarity with integration tools, connectors, and middleware Architecture & Governance Experience creating architecture diagrams and technical documentation Understanding of enterprise architecture governance processes ...

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 ...

Senior Technical Product Manager

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£70 - £80 per 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 ...

Product and Platform Specialist

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
based data pipelines. Proven experience with time-series databases (e.g., Prometheus, VictoriaMetrics, OpenSearch, InfluxDB, etc.). Technical & Platform Expertise Platform design for large-scale, distributed systems. Strong knowledge of open-source observability stacks. Experience driving POCs into enterprise-grade solutions. Leadership & Communication Proven experience engaging with CIOs and senior ...

Java Developer - IAM/API

Hiring Organisation
Talent Smart
Location
S1, Orchard Square, Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
event-driven solutions using Pub/Sub for Real Time identity and security workflows Integrate APIs with authentication services (OAuth2, OIDC, JWT) and enterprise systems Contribute to cloud-native microservices and Back End services (GCP preferred) Implement automation and Infrastructure as Code (Terraform, CI/CD pipelines) Troubleshoot … optimise IAM, API, and distributed system performance Key Requirements Strong Java development experience (essential) with a focus on API and Back End services Experience building cloud-native applications and microservices architectures Solid understanding of IAM/Identity concepts (OAuth2, OIDC, SAML, federation) Experience with event-driven architectures (Pub/ ...

Python Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £300 to £340 per day
similar solvers. Model the behaviour of power system components including generation assets, demand profiles, and network elements. Contribute to techno-economic assessments of power systems using Python-based models. Quality Assurance & DevOps Write unit tests using unittest or pytest, with exposure to Test-Driven Development (TDD) methodologies. … Pyomo, AMPL, Gurobi, CPLEX, or similar optimization tools. Working knowledge of containerization and cloud-native deployment. Familiarity with RabbitMQ/Kafka, microservice architecture, and distributed systems. ...