1 to 25 of 31 Contract Distributed Systems Jobs in the UK excluding London

Engineering Tech Lead Node.js Architect

Hiring Organisation
Purview Consultancy Services Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
complex technical challenges. This role requires a hands-on lead er who can drive technical strategy, mentor engineers, establish engineering best practices, and architect distributed systems capable of handling enterprise-scale workloads. Key Responsibilities Lead the architecture, design, and development of mission-critical backend applications using Node.js. Design … scalable, secure, and highly available distributed systems and microservices. Drive technical decision-making and define engineering standards across projects. Collaborate with Product Managers, Architects, DevOps, QA, and cross-functional teams to deliver high-quality solutions. Review code, enforce best practices, and ensure maintainability and performance of applications. Mentor ...

Senior Golang Engineer

Hiring Organisation
Talent Smart
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£650/annum
hands-on engineering role requiring deep expertise in Go (Golang) and modern backend engineering practices. You will be responsible for developing high-performance APIs, distributed systems, and event-driven microservices while helping shape technical architecture across a scalable, Azure-hosted environment. Working alongside architects, product teams, and fellow … services using Go (Golang) . Build scalable RESTful APIs and event-driven microservices. Design and implement cloud-native solutions within Microsoft Azure. Develop resilient distributed systems capable of handling high-throughput workloads. Contribute to architecture decisions across a polyglot technology landscape, selecting the most appropriate technologies for individual ...

Principal Engineer

Hiring Organisation
Experis
Location
Knutsford, Cheshire, United Kingdom
Employment Type
Contract
Contract Rate
£490 - £500/day
architectures for enterprise workflow orchestration * Drive modern backend engineering standards, including CI/CD, deployment automation, and operational best practices * Architect durable, fault-tolerant distributed systems with high observability * Develop integration strategies across enterprise APIs, event streams, and downstream systems * Build reusable frameworks, prototypes, and production solutions … software initiatives using LLM frameworks and AWS AI services What you'll bring: * Proven experience with Camunda and/or Temporal.io in backend and distributed systems * Strong Python skills and experience designing production-grade APIs * Expertise in building resilient, fault-tolerant enterprise applications * Knowledge of workflow orchestration, retries ...

Engineering Lead

Hiring Organisation
Hays
Location
Cheshire, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £500.0 per day + Inside IR35
regulatory requirements. Act as the senior technical escalation point for engineering challenges, controls-related issues, and critical production incidents. Support complex integrations across enterprise systems, risk platforms, controls frameworks, and external applications. Design and guide implementation of scalable integration solutions across APIs, middleware, event-driven platforms, and external systems. … backend software engineering and enterprise integration. Experience designing and implementing APIs, microservices, middleware solutions, and event-driven architectures. Experience integrating enterprise platforms, risk systems, controls frameworks, and business-critical applications. Strong understanding of regulatory, risk, and compliance requirements within banking or financial services environments. Experience supporting applications impacted ...

Engineering Lead

Hiring Organisation
Hays
Location
Cheshire, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £500.0 per day + Inside IR35
with CI/CD pipelines, infrastructure automation, and DevOps practices. Experience with Python and/or other modern backend programming languages. Strong understanding of distributed systems, application resiliency, and operational support. Experience conducting architecture reviews, technical governance, and engineering quality assurance. Excellent troubleshooting and problem-solving skills. Strong … Financial Services, or large-scale enterprise transformation programmes. Experience with Docker and Kubernetes. Knowledge of observability, monitoring, and site reliability practices. Experience supporting geographically distributed engineering teams. Exposure to AI-enabled engineering tools, automation frameworks, or developer productivity tooling. What you need to do now If you're interested ...

Senior Full Stack Developer (React, JavaScript & C#.NET)

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
/CD Implementation: Collaborate with DevSecOps to optimise CI/CD pipelines, ensuring automated testing and deployment. Architecture Contribution: Contribute to event-driven and distributed system designs using technologies like Kafka or Event Hub. Mentorship: Guide junior developers and foster a collaborative atmosphere within a cross-functional agile team. ...

Java Engineer

Hiring Organisation
Response Informatics
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Contract
Contract Rate
From £250 to £300 per day
service-to-service communication, configuration management, observability, and resilience patterns. Experience delivering production services deployed on Kubernetes. Experience building highly available, scalable, and reliable distributed systems. Strong knowledge of API design principles, including REST, gRPC, versioning, authentication, authorization, error handling, and backward compatibility. Experience with microservices architectures … with strict availability, latency, or throughput requirements. Experience with Kubernetes-native patterns such as Helm, Operators, Custom Resource Definitions, or GitOps workflows. Experience with distributed systems, stateful services, or high-volume transactional platforms. Experience with cloud-native observability tools such as Prometheus, Grafana, OpenTelemetry, ELK/OpenSearch ...

Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £525 per day
frontend development experience with modern JavaScript frameworks Advanced knowledge of JavaScript (ES6+) Experience building and consuming RESTful APIs Strong understanding of software architecture and distributed systems Experience working within microservices environments Strong knowledge of MySQL and NoSQL databases such as MongoDB or Couchbase Experience with event-driven systems … modernising legacy applications Previous involvement in high-traffic, customer-facing platforms Key Responsibilities Design, develop, and maintain full-stack applications across frontend and backend systems Build responsive, scalable, and high-performance user interfaces Develop and maintain APIs and backend services using PHP and Laravel Deliver features from concept through ...

Systems Engineer

Hiring Organisation
Copello
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 840 Daily
currently looking for a Systems Engineer for a contract role in Cheltenham. Please note: suitable candidates must have current, transferable eDV Clearance. This role will also require 3-4 days onsite in Cheltenham. Job title: System Engineer Pay: £840 per day Inside IR35 Location: Cheltenham, 3-4 days … role in delivering complex, high-impact solutions across multidisciplinary teams, supporting projects that matter from nationally significant programmes to cutting-edge digital and systems-led transformations. You ll work in a collaborative, inclusive environment where your expertise helps shape resilient, secure and future-ready systems, while being supported ...

Senior Java Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
scale microservice architectures Strong Agile delivery experience Experience developing RESTful APIs Experience building automated testing frameworks Good understanding of Linux or Unix-based operating systems Strong communication skills with both technical and non-technical stakeholders Ability to learn new technologies quickly and adapt to changing priorities Desirable Experience Jackson … Mockito or similar mocking frameworks Kafka or ActiveMQ MongoDB or other NoSQL databases High-traffic, large-scale web applications Large data processing and distributed systems Responsive Web Design What's on Offer? 12-month contract Hybrid working (3 days per week onsite) Opportunity to work ...

Golang Developer - CONTRACT ROLE

Hiring Organisation
IO Associates
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£300 - 400 per day
looking for: Strong commercial experience with Go (Golang) (essential) Backend engineering and microservices RESTful API development and integration Experience building cloud-native or distributed systems Comfortable contributing across the stack where required Experience using AI-assisted development tools (Copilot, Cursor, ChatGPT, Claude etc.) Nice to have: React experience ...

Full Stack Engineer - ML/Gen AI

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£375 - £450 per day
cloud engineering Chat or Messaging platform integration REST API development CI/CD pipelines Observability (logs, metrics, tracing and performance monitoring) Software architecture and distributed systems/microservices AI/LLM integration, with an understanding of model capabilities and limitations—not just using AI to generate code. Highly ...

Python Software Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£375 - £400/day
Infrastructure (CNI) . The platform enables the secure exchange of patient and workforce data between healthcare organisations and digital services, helping ensure vital healthcare systems remain resilient, secure and available. This is an opportunity to work on software that has a genuine impact on millions of people while helping … platform engineering practices to build, improve and support a secure, cloud-native environment. Key responsibilities include: Developing high-quality, secure Python applications for complex distributed systems Maintaining and improving code quality across the platform Building, managing and monitoring CI/CD pipelines and code quality gates Ensuring deployments ...

Principal SRE Engineer / Grafana Specialist - (Outside IR35)

Hiring Organisation
Sanderson Recruitment
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£650 - £750 per day + Outside IR35
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 ...

Quality Engineer

Hiring Organisation
Hays Technology
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract, Temporary
Salary
£450 - £500/day Up to £500 p/d Inside IR35
principles and tooling Experience with Git/GitLab version control Strong knowledge of Agile and Scrum delivery environments Experience testing APIs, microservices and distributed systems Knowledge of functional, integration and non-functional testing Strong communication, stakeholder management and team collaboration skills Nice to have Cucumber/Gherkin Gatling ...

Quality Engineer

Hiring Organisation
Hays Technology
Location
Wellington, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 500 Daily
principles and tooling Experience with Git/GitLab version control Strong knowledge of Agile and Scrum delivery environments Experience testing APIs, microservices and distributed systems Knowledge of functional, integration and non-functional testing Strong communication, stakeholder management and team collaboration skills Nice to have Cucumber/Gherkin Gatling ...

Contract Technical Lead / Engineering Manager

Hiring Organisation
Spectrum IT Recruitment
Location
Southampton, Hampshire, United Kingdom
Employment Type
Contract
environments. Strong communication skills with the ability to engage technical and non-technical stakeholders. Desirable experience: CI/CD and DevOps practices. Microservices or distributed systems. System integration experience. Mentoring developers and supporting engineering career development. This is an excellent opportunity for an experienced technical leader who enjoys balancing ...

DevOps Engineer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
contract DevOps Engineer to work on the development of an large scale observability platform, experienced in cloud techologies, infrastracture as code, building and operating distributed systems at scale, proficient in devops engineering, reviewing, writing and testing code, working with source control mechanisms and and deploying infrastructure. Key experience ...

Senior Software Engineer C#./Net (Fixed Term)

Hiring Organisation
Microlise
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Contract
Experience working with Entity Framework, including data modelling, querying, migrations and integration with Microsoft SQL Server. Strong experience developing and supportingRESTful APIs, microservices and distributed systems in a commercial environment. Strong understanding of object-oriented programming concepts including encapsulation, inheritance, polymorphism, and abstraction. This should extend ...

Senior Software Tester - Contract

Hiring Organisation
SRT Marine Systems PLC
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£40000 - £50000/annum
Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base. The company has a worldwide impact in the marine sector … leading the next generation of Maritime Domain Awareness technologies "MDA", products, and systems that significantly enhance security, safety, environmental protection, and sustainability. Our customers are global and range from the largest national coast guards to individual vessel owners. SRT is an exciting company where high-quality results are rewarded. ...

Senior Software Tester - Contract

Hiring Organisation
SRT Marine Systems PLC
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Contract
Contract Rate
£40000 - £50000/annum
Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base. The company has a worldwide impact in the marine sector … leading the next generation of Maritime Domain Awareness technologies "MDA", products, and systems that significantly enhance security, safety, environmental protection, and sustainability. Our customers are global and range from the largest national coast guards to individual vessel owners. SRT is an exciting company where high-quality results are rewarded. ...

Software Developer

Hiring Organisation
Morson Edge
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£55 per hour + L6 - Do not get any uplift all hours paid at Standard R
development lifecycle, from design and development through to testing and delivery. The role requires strong Java development experience alongside an understanding of microservice architectures, distributed systems and software design. Responsibilities Develop high-quality Java software within an Agile Scrum environment. Contribute to the design, implementation and testing … with Java 8 or later. Spring Boot and the Spring Framework. Experience developing with Hibernate. RESTful APIs and web services over HTTPS. Microservice architectures. Distributed systems. Software design patterns. UML and/or SysML, ideally using Enterprise Architect or a similar tool. Unit testing and automated testing. Agile development ...

Performance Test Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£450/day
experience with monitoring andobservability tools including: Splunk AppDynamics Grafana AWS CloudWatch Dynatrace Experience using Jenkins , GitHub , Jira and Confluence . Strong understanding of APIs, distributed systems and modern cloud architectures. Experience working within Agile delivery teams. Desirable Experience integrating performance testing into CI/CD pipelines. Knowledge ...

Software Developer

Hiring Organisation
Belcan Technical Recruiting (UK) Ltd
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £55 per hour
days per week. Responsibilities The developer shall join a 7 member scrum team as part of a wider program to deliver a management systems for a new Satellite. The developer shall contribute to all stages of the software development lifecycle and thus have solid experience in design (particularly using … Developing in Spring with Hibernate Good Knowledge of developing REST within HTTPS Experience of developing within a microservice architecture Web Services using RESTful APIs Distributed systems Knowledge and use of software design patterns Agile Development Processes CI/CD delivery techniques Source code management ...

Software Developer

Hiring Organisation
Line Up Aviation
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£41.10/hour
What you'll be doing: The developer shall join a 7-member scrum team as part of a wider program to deliver a management systems for a new Satellite. The developer shall contribute to all stages of the software development lifecycle and thus have solid experience in design (particularly … Developing in Spring with Hibernate Good Knowledge of developing REST within HTTPS Experience of developing within a microservice architecture Web Services using RESTful APIs Distributed systems Knowledge and use of software design patterns Agile Development Processes CI/CD delivery techniques Source code management ...