1 to 25 of 38 Contract Distributed Systems Jobs in England

Python Backend Engineer

Hiring Organisation
Daniel James Resourcing Ltd
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550/ day Outside IR35
Senior Python Backend Engineer - Real-Time Distributed Systems £550/day Outside IR35 Watford/Hybrid (Initial onsite, then mainly remote) 4-month contract Were working with a highly engineering-led technology business building large-scale real-time backend systems within a distributed Azure environment. This … high-level solution designers. We are specifically looking for deeply hands-on Python backend engineers who are comfortable operating at implementation level within complex distributed systems. The environment is heavily focused on: Real-time event-driven processing High-throughput backend services Distributed microservice architectures Low-latency data ingestion ...

AI Infrastructure Engineer

Hiring Organisation
Pro Contract Jobs Ltd
Location
York, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £800 to £1,000 per day
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 ...

OSS/BSS Solution architect

Hiring Organisation
IBU CONSULTING LTD
Location
London, United Kingdom
Employment Type
Contract
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 ...

Senior Java Software Engineer (Pricing API) - 5 days - London

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
customers weekly, across all platforms with global expansion ahead. This role involves designing and scaling a high-performance, internet-facing API operating across distributed environments. If you enjoy solving complex engineering challenges and building resilient systems at scale, this could be a great fit. What … Doing Designing and building scalable backend systems using Java and the JVM ecosystem Developing clean, maintainable code from product requirements Applying TDD/BDD practices and modern engineering principles Building and maintaining cloud-native infrastructure Working on highly available distributed systems Troubleshooting production issues and driving root ...

Senior Software Engineer (Java / Kotlin)

Hiring Organisation
Morgan McKinley
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£731 per day
Java and/or Kotlin Leading system design discussions and driving technical decisions Building integrations with third-party APIs and external platforms Developing resilient distributed systems with a strong focus on reliability and observability Collaborating with Product, Operations and Commercial teams to deliver business-critical functionality Driving engineering … best practice, code quality and operational excellence Mentoring engineers and providing technical leadership within the team Key experience required Strong commercial experience developing backend systems in Java and/or Kotlin Experience designing and operating distributed systems in production environments Strong understanding of API design, integrations ...

Golang Developer

Hiring Organisation
Hirexa Solutions UK
Location
West Sussex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£280 - £300 per day
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 ...

Senior Software Engineer, Distributed Systems and Rust

Hiring Organisation
Mpower Plus UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
through focus on readable, maintainable, and performant code. As such, we lean heavily on Rust and its great tooling to fearlessly develop highly efficient distributed systems code. We use multiple levels of testing to ensure we have low-level performance (such as tests to validate the number … with fault injection, and race condition simulation). Combined with the powerful borrow checker and strong type system of Rust, we can develop complex systems with confidence. Key Qualifications If you meet some of these qualifications, we'd love to chat! Core qualifications: Experience designing, implementing, and supporting highly ...

Senior Data Engineer - Scala/Spark

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
Engineer to join a high-performing engineering team responsible for building and operating large-scale data platforms that support advanced machine learning and recommendation systems used by millions of users globally. This is an opportunity to work on highly complex distributed systems, developing production-grade data pipelines … performance, reliability and operational health of production data pipelines. Develop tooling and infrastructure that supports machine learning workflow execution and deployment. Optimise data processing systems for throughput, scalability and efficiency. Collaborate closely with Data Engineers, ML Engineers and Research teams to deliver high-quality datasets and platform capabilities. Identify ...

Senior Software Engineer - Kafka/Spark

Hiring Organisation
Adecco
Location
Chester, Cheshire, United Kingdom
Employment Type
Contract
build high-performance, real-time data platforms supporting regulatory compliance across global operations. This is a fully engineering-led role focused on streaming, distributed systems, and low-latency processing , ideal for someone who enjoys solving complex data challenges at scale. What You'll Do Design and build Kafka … based streaming pipelines and Spark processing jobs Develop low-latency, high throughput systems handling large-scale datasets Create data matching and reconciliation solutions across multiple sources Work on event-driven architectures with a focus on performance, accuracy, and reliability Contribute to production grade systems in a highly regulated ...

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

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
/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. ...

Application Designer

Hiring Organisation
Halian Technology Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
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 ...

Principal / Lead Engineer

Hiring Organisation
Intec Select Ltd
Location
London, Billingsgate, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
secure environments Evaluate and integrate appropriate open-source technologies and third-party components Contribute to the design and delivery of scalable, resilient, and maintainable distributed systems Collaboration & Team Development Act as a senior technical contributor within a high-performing engineering team Mentor engineers and help establish a strong … with business objectives Engage with external partners, suppliers, and stakeholders where required Essential Skills & Experience Proven experience leading or making significant contributions to complex distributed, cloud-native, or federated systems Strong software engineering expertise in Python, including backend development, automation, and infrastructure tooling Hands-on experience with ...

Booking and Messaging Java Developer (COMBJP00001223)

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day Negotiable
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 ...

Senior Gen AI Developer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
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 ...

Senior ML Platform Engineer - Robotics

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £750 per day
archival processes* Containerise and orchestrate services to ensure reliable deployment across machines and lab environments* Partner with ML engineers on dataset building, ingestion pipelines, distributed training infrastructure, and high-throughput data workflows* Work with robotics engineers on ROS2 integration, robot data streams, deployment workflows, and hardware-adjacent platform tooling … Improve testing, CI, observability, reliability, and performance across concurrent and IO-heavy systems Essential Skills You must have: * Senior-level software engineering experience, ideally 5+ years* Strong production Python experience* Experience with typing, async/await, threading, multiprocessing, and concurrent workloads* FastAPI or another async Python web framework* Vanilla ...

Go Engineer

Hiring Organisation
Arrows Group Professional Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Stack: * Golang * AWS * Kubernetes * Docker * Terraform * Microservices * Event-Driven Architecture * CI/CD What you'll bring: * Strong commercial Golang experience * Proven experience building distributed systems at scale * AWS and Kubernetes expertise * Experience operating microservices in production environments * Strong understanding of cloud-native engineering principles * Excellent communication … collaboration skills This is an opportunity to work on complex, high-scale systems, solve challenging engineering problems, and contribute to products used by millions of people every day. If you're interested in hearing more, please get in touch. ...

Test Engineer (SFIA 4)

Hiring Organisation
Opus Recruitment Solutions
Location
Newcastle upon Tyne, Tyne & Wear, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
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 ...

Python Backend Engineer

Hiring Organisation
Daniel James Resourcing Ltd
Location
St. Albans, Hertfordshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 Daily
Senior Python Backend Engineer - Real-Time Distributed Systems £550/day Outside IR35 Watford/Hybrid (Initial onsite, then mainly remote) 4-month contract Were working with a highly engineering-led technology business building large-scale real-time backend systems within a distributed Azure environment click ...

Telemetry and Observability Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500 per day
join the team. This is a high-impact role focused on scalable telemetry pipelines, monitoring, alerting, reliability engineering, and embedding observability across complex distributed systems and Kubernetes environments. Key experience needed: * Observability/SRE/Platform Engineering background * OpenTelemetry , Prometheus, Grafana, Splunk, Elastic, Loki, or Jaeger * Kubernetes, microservices ...

Software Developer

Hiring Organisation
X4 Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
degree or equivalent commercial experience in a relevant discipline. Strong commercial development experience with C# and Microsoft .NET. Experience designing and implementing microservices and distributed systems. Familiarity with messaging technologies such as RabbitMQ, Kafka, Azure Service Bus, or similar platforms. Strong experience developing and consuming RESTful Web APIs. Understanding ...

Integration Architect

Hiring Organisation
Halian Technology Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £600 per day
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 ...

Cloud Solutions Architect

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£0.00 - £650 per day
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 ...

Senior Software Engineer - Geospatial Data (Contract)

Hiring Organisation
Talent Locker
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Contract
would be highly beneficial. Key Responsibilities Design, develop, and maintain scalable software applications and services Work with large-scale geospatial and spatial datasets within distributed systems and processing pipelines Develop and optimise solutions using technologies such as PostGIS, ArcGIS, and related geospatial tooling Build and maintain APIs, backend … with geospatial data, spatial databases, or mapping platforms Strong backend development experience using languages such as Python, Java, C++, or similar Experience developing scalable systems, APIs, and data services Knowledge of geospatial technologies such as PostGIS, ArcGIS, GDAL, GeoServer, or similar Experience working with cloud platforms and modern software ...

Senior Engineer

Hiring Organisation
WRK DIGITAL LTD
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £56.25 to £62.50 per hour
operations for a large, production-critical estate Driving platform stability and performance improvements Collaborating with engineering, cloud, and delivery teams Troubleshooting issues across distributed systems and environments Supporting and improving operational processes and monitoring What Were Looking For Strong experience in DevOps/Platform Engineering/Production Support ...

AI Application/Big Data Engineer

Hiring Organisation
Advanced Resource Managers Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Snowflake (data platform integration, CDC concepts) PostgreSQL (RDS) AWS Stack S3, RDS, SQS, EventBridge Containerized workloads (EKS/ECS) Engineering Practices Strong understanding of: distributed systems performance optimization observability (e.g. Langfuse, logging/metrics) Nice-to-Have Experience with: Salesforce Service Cloud integrations NLP/GenAI applications … service Exposure to: Amplitude or product analytics tools Knowledge of regulated environments (banking/capital markets) Soft Skills Ability to work in cross-functional distributed teams Strong ownership mindset (design production) Clear communication with business and technical stakeholders Disclaimer: This vacancy is being advertised by either Advanced Resource Managers ...