21 of 21 Part-Time Distributed Systems Jobs in the UK

Performance Test Engineer (Python Automation for large-scale, low-latency, distributed VoD/Avod streaming video systems) Remote Europe/UK Location: Remote (Europe & UK only) Full-Time | 6-Month Contract | Start Date: within 1-2 weeks 325-350pd IR35 Outside TBC Were seeking a hands-on Performance Test Engineer/Performance Tester with Strong Python and … sub-50ms latency under millions of concurrent users, and drive system optimizations across cloud infrastructure and code. This is a technical, high-impact role ideal for someone passionate about distributed systems performance, automation, and data-driven tuning. Profile: 3-5+ years of performance engineering for large-scale, low-latency, distributed systems. Proven success meeting p95/… p99 latency SLAs under high concurrency (millions of RPS). Strong Python and automation expertise able to design reusable, scalable test frameworks. Experience with distributed load testing and synthetic traffic modeling in the cloud. Analytical, structured, and effective communicator with strong documentation and collaboration skills. Solid experience in the streaming video/advertising domain and with issues related to More ❯

Staff Software Engineer Platform Own the strategy to support massive expansion Up to 170,000 plus benefits London Office 4 days a week Golang, AWS/GCP, Kubernetes, Distributed Systems Staff Software Engineer - Were working with a high-growth payments business that has disrupted the market to become a major player in Europe. With over 150,000 customers … in cloud platforms (AWS or GCP) and deep knowledge of Kubernetes ideally including the ability to build operators. Strong coding skills in Golang, Java, or C#, with experience in distributed systems. Demonstrated leadership across multiple squads and technical roadmaps. Expertise in operational excellence: observability, reliability, automation. This is an outstanding opportunity for a Staff Software Engineer join a rapidly … chat. Staff Software Engineer Platform Own the strategy to support massive expansion Up to 170,000 plus benefits London Office 4 days a week Golang, AWS/GCP, Kubernetes, Distributed Systems More ❯

We are looking for hands-on engineers with expertise and passion in solving difficult problems in all areas of software engineering: distributed systems, identity, security, observability, and user experience. This is a greenfield opportunity to design and build new cloud centric applications from the ground up. We are growing fast, still at an early stage, and working on … dynamic and flexible workplace where youll belong and be encouraged. We offer unique opportunities for innovative, hands-on engineers with the expertise and passion to tackle difficult problems in distributed, highly available services and virtualized infrastructure. At every level, our engineers have a significant technical and business impact designing and building innovative new systems to power our customers … things in a vibrant, high-energy team? Are you an expert developer looking for an opportunity to have more technical impact? We are looking for a Principal Engineer with distributed systems experience to join the Identity organization. There is tremendous opportunity to be given very large scope and responsibility in a very dynamic environment. You are technically strong More ❯

and research data for patients and healthcare providers. We are looking for hands-on engineers with expertise and passion in solving difficult problems in all areas of software engineering: distributed systems, identity, security, observability, and user experience. This is a greenfield opportunity to design and build new cloud-centric applications from the ground up. We are growing fast … your best work. It is a dynamic and flexible workplace where youll belong and be encouraged. Who are we looking for? We are looking for full-stack engineers with distributed systems experience. You should have experience with the design of major features and launching them into production. Youve operated or supported high-scale services and understand how to … rich tools and web apps for use by your team and other internal customers. You have experience with tools like Splunk, Elasticsearch, Logstash, and Kibana. You understand that simple systems are easier to operate and fix. You can balance speed and quality with iteration and incremental improvements. Youve made life easier for other developers and have motivated your teams More ❯

cutting-edge Prop trading firm that is redefining market-making and liquidity provision in Crypto markets. Our client operates at the intersection of blockchain, algorithmic and automated trading, and distributed systems, and is seeking a Lead Systems Engineer to architect and scale the infrastructure behind their high-performance Crypto operations. Role Overview As Lead Systems Engineer … youll take ownership of the systems that power real-time, on-chain trading strategies. Youll work across bare metal and cloud environments, automate infrastructure, and ensure the reliability and scalability of systems that interact directly with smart contracts and blockchain nodes. Key Responsibilities Architect and manage Linux-based systems across cloud and on-prem environments. Design and … integrated services. Build and maintain infrastructure for running blockchain nodes, RPC endpoints, and trading bots. Automate deployment and monitoring using Python and Golang. Ensure high availability and performance of systems interacting with DeFi protocols. Collaborate with smart contract developers, quant researchers, and trading engineers. Skills 8+ years' experience as a System Engineer/Platform Engineer 5+ years' experience in More ❯

cutting-edge Prop trading firm that is redefining market-making and liquidity provision in Crypto markets. Our client operates at the intersection of blockchain, algorithmic and automated trading, and distributed systems, and is seeking a Lead Systems Engineer to architect and scale the infrastructure behind their high-performance Crypto operations. Role Overview As Lead Systems Engineer … youll take ownership of the systems that power real-time, on-chain trading strategies. Youll work across bare metal and cloud environments, automate infrastructure, and ensure the reliability and scalability of systems that interact directly with smart contracts and blockchain nodes. Key Responsibilities Architect and manage Linux-based systems across cloud and on-prem environments. Design and … integrated services. Build and maintain infrastructure for running blockchain nodes, RPC endpoints, and trading bots. Automate deployment and monitoring using Python and Golang. Ensure high availability and performance of systems interacting with DeFi protocols. Collaborate with smart contract developers, quant researchers, and trading engineers. Skills 8+ years' experience as a System Engineer/Platform Engineer 5+ years' experience in More ❯

Kubernetes) Experience of Single page application frameworks (Angular/React) Practical experience of development using Kafka/RabbitMQ Experience in large scale integration projects involving messaging, web services and distributed systems Public Sector experience More ❯

This role offers the opportunity to work within a high-performing agile team, mix of 50% hands-on development and 50% leadership and strategy. Youll help design and build distributed systems and APIs, while mentoring others and promoting best practices in engineering delivery. Responsibilities: Design, build and maintain robust, scalable applications and services Ensure software meets business needs … technical decision-making within the team Qualifications: Expert-level C# development with recent experience in .NET Core and .NET Framework Experience leading small development teams Experience designing and building distributed, event-driven systems Strong API development skills (REST and/or GraphQL) Proficient in relational databases (MSSQL, MySQL, etc.) Experience deploying and managing applications in AWS environments Hands More ❯

AI Engineer and a Junior Engineer, with strong support from top-tier VCs and angels. Theyre looking for two Senior AI Engineers to help build secure, scalable, compliant AI systems that integrate with clinical workflows. With plans to raise their next round in Q3 2026, youll be joining at a pivotal moment where your impact will shape the companys … trajectory. What are we looking for? 5+ years building and deploying production systems in startups/fast-paced environments Strong skills in Python and TypeScript Experience with Azure or GCP infrastructure Knowledge of distributed systems, microservices, event-driven architectures Strong system design and security principles Bonus points for: AI/ML production experience (MLOps, infra, deployment) Go More ❯

introduce new tools and technologies across Totaras multi-tenant hosting environment. This AWS Cloud Engineer is ideal for a technically curious engineer who enjoys problem-solving, thrives in a distributed team, and wants to contribute to a mission-driven business. Responsibilities: Building, maintaining, and optimising AWS-based infrastructure for large-scale SaaS hosting Managing and improving Kubernetes clusters running … in production Developing Infrastructure-as-Code using Terraform and improving automation pipelines Monitoring performance, availability, and security across distributed systems Working collaboratively across product and operations teams to deliver platform improvements Participating in an on-call rota to ensure the stability of production environments Introducing new technologies and best practices that enhance platform resilience and efficiency Key Skills More ❯

Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? Lead the technical vision and architectural direction across complex backend systems … years' experience in backend software development, including several years in a senior or principal-level engineering role. Expertise in Python (or a similar backend language), with proven experience designing distributed systems, APIs, and microservices at scale. Deep understanding of software architecture, cloud infrastructure (Google Cloud, AWS, or Azure), and modern DevOps practices. Strong knowledge of data structures, algorithms More ❯

flexible working/hybrid roles which is why so many of our employees stay with us long term. Due to continued growth and expansion, were looking for an Embedded Systems Reliability Engineer to join our amazing CTO Development team . Youd be working with an exceptionally friendly group of people in a genuinely welcoming and positive environment. So, if … and on-site working (Capenhurst CH1 6ES) over the course of the year flexing as projects require*** About the role: This is an exciting opportunity for a talented Embedded Systems Reliability Engineer with proficiency in modern C++ (C++17 or newer) to join us to: Investigate and resolve complex bugs across embedded and desktop systems, implementing fixes and systemic … or newer) for embedded and cross-platform desktop development Strong scripting experience in Python and Bash for tooling and test automation Experience with CMake, make, and CI/CD systems (e.g., GitLab CI, Azure Pipelines) Familiarity with Docker for embedded software builds and containerised testing Confident in debugging across firmware, OS and application layers Deep understanding of Embedded Linux More ❯

join a forward-thinking technology company. This is a trusted, high-impact engineering environment where a Site Reliability Engineer will be given real ownership, solving complex problems and building systems that directly accelerate software delivery at scale. As a Site Reliability Engineer, youll focus on creating and improving the platforms, tools, and services that support modern web engineering. Your … hands-on and goes far beyond maintenance. The Site Reliability Engineer will collaborate closely with product and engineering teams across the stack, driving improvements to developer experience, testability, and distributed system resilience. Clean, maintainable code, strong security practices, and expertise in modern cloud infrastructure are essential. Site Reliability Engineer Key Skills & Experience: Solid experience in platform, SRE, or backend … e.g. Terraform) Deep understanding of security best practices in cloud and application delivery Exposure to observability tooling (Prometheus, Grafana, structured logging, etc.) Confident debugging and resolving issues in complex distributed systems Background in B2B SaaS web applications, with familiarity in Node a plus Able to operate autonomously within small, high-impact engineering teams Bonus: Kafka, gRPC, or open More ❯

experience (or equivalent) in technical support, system engineering, or platform operations Strong understanding of L1 and L2 support processes (ticketing, escalation, troubleshooting) Familiarity with cloud-based platforms, APIs, and distributed systems Understanding of AI/ML concepts and tooling (model training, inference, data pipelines basics) Experience with monitoring/logging tools (e.g., Grafana, Kibana, Splunk) Excellent communication skills More ❯

experienced Go Developer (Golang) to join their engineering team on a contract basis . This is an opportunity to work on high-impact backend services that power a complex, distributed platform used by customers around the world. Youll collaborate with a team of talented engineers, product managers, and architects to build scalable, reliable, and efficient services that underpin critical … business operations. What Youll Do Design, build, and maintain high-performance Go services that support large-scale e-commerce systems. Contribute to the architecture and development of microservices and distributed systems. Work closely with cross-functional teams to deliver new features and improve existing functionality. Ensure code quality, performance, and scalability through best practices and automated testing. Participate in … code reviews, knowledge sharing, and continuous improvement of engineering processes. What Were Looking For Strong commercial experience with Go (Golang) in production environments. Proven experience building scalable microservices and distributed backend systems. Solid understanding of cloud platforms (e.g., AWS, GCP, or Azure) and containerisation (Docker, Kubernetes). Familiarity with RESTful APIs, gRPC, and messaging systems. Strong grasp of testing More ❯

and OpenAI, backed by pioneers who shaped modern AI. This is an opportunity to join at the ground floor of a company tackling some of the hardest problems in distributed systems and AI research. You'll have 2+ years of professional experience in big tech or start-up Proficiency in Python Strong hands on expertise with LLMs and More ❯

and OpenAI, backed by pioneers who shaped modern AI. This is an opportunity to join at the ground floor of a company tackling some of the hardest problems in distributed systems and AI research. You'll have 2+ years of professional experience in big tech or start-up Proficiency in Python Strong hands on expertise with LLMs and More ❯

for front-end development and Node.js for back-end services. You'll manage complex data flows in PostgreSQL , utilize Redis for caching and performance optimization, and implement robust messaging systems such as Kafka . The role also includes responsibility for CI/CD pipelines, ensuring seamless deployment across multiple environments. This is an opportunity to work in a collaborative … access. Develop and maintain CI/CD pipelines to support efficient and reliable code delivery across staging and production environments. Design and integrate APIs, third-party services, and internal systems to enhance application functionality. Deploy and maintain applications on remote Linux/Windows servers, handling configuration, security, and monitoring. Manage messaging services using Kafka (or equivalent), ensuring reliable data … flow across distributed systems. Troubleshoot, debug, and resolve production issues quickly to minimize downtime. Produce comprehensive documentation including system architecture diagrams, API specifications, and deployment guides. Collaborate closely with UI/UX designers , QA engineers , and product managers to ensure high-quality deliverables that meet user needs. Stay current with emerging technologies, frameworks, and industry best practices, applying them More ❯

investment products for digital asset holders, combining financial-grade infrastructure with the flexibility and innovation of blockchain technology. Theyre now looking for a Senior Software Engineer to join their distributed engineering team. This is a rare opportunity to work on real-world Web3 integrations and contribute to a production-grade platform that underpins institutional-scale digital finance. Youll be … part of a small, high-performing engineering team responsible for building and evolving the companys core backend systems and APIs. Your work will directly support blockchain integrations, custody solutions, and partner-facing investment products. Key Responsibilities as a Senior Software Engineer: Design, develop, and maintain backend systems and APIs that power digital asset and yield products. Build integrations … TypeScript and experience building production-grade APIs. Solid knowledge of PostgreSQL or similar relational databases. Familiarity with containerisation and orchestration tools (Docker, Kubernetes). Practical experience deploying and maintaining systems in AWS or other cloud environments. Proven ability to write high-quality, testable, and well-documented code. Excellent communication skills and comfort working in distributed teams. Nice to More ❯

Backend Software Engineer with strong expertise in Go. This is an exciting chance to join a leading technology company known for its high engineering standards and innovative approach to distributed systems. In this position, the Backend Software Engineer will play a central role in building and scaling mission-critical, data-heavy applications. Youll be involved across the full engineering … Experience: Strong background in backend software engineering, with significant commercial experience Advanced proficiency in Go (Golang) and hands-on expertise with AWS, Kubernetes, and Docker Experience designing and architecting systems end-to-end Proven track record of working with complex, large-scale data applications Product-driven mindset and experience working in fast-moving, tech-focused organisations (e.g. start-ups More ❯

Health, Home, Compensation). What youll do... Design, build, and own Palantir Foundry data pipelines end-to-end. Write production-grade Python, PySpark, and SQL for ELT on large distributed datasets. Implement warehousing patterns with strong data quality checks and lineage. Translate insurance requirements into robust data products via Foundry Ontology. Diagnose pipeline issues and document workflows for repeatability. … Collaborate in Scrum with analysts, SMEs, and engineers to deliver. What were looking for... Strong experience in data engineering for large-scale distributed systems. Hands-on development experience with Palantir Foundry - this is a must Deep PySpark + Spark SQL skills Strong ELT/warehouse fundamentals and CI/CD mindset. Comfortable in Agile teams; clear communicator who owns More ❯