23 system engineer jobs found in Remote

Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...

Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...

Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...

Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...

Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...

Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...

Contract Software Engineer (Java / Microservices / Azure / SQL) - HealthTech - Outside IR35 - £500-£550pd - Fully Remote - 6 Months Are you an experienced Backend Software Engineer looking for your next outside IR35 contract ? My client, an innovative HealthTech company , is seeking a talented Java Engineer to join their platform team on a fully remote, 6-month contract . Role Overview: You'll play a key role in enhancing and integrating core backend services that power a modern healthcare platform. The focus will be on Java-based microservices , API integrations , and Azure cloud infrastructure , ensuring a robust and scalable system that supports critical healthcare operations. Key Skills & Experience: Strong commercial experience with Java (8+) and microservices architecture Proven background in API and platform integration Solid understanding of Azure (Functions, App Services, Service Bus, etc.) Expertise in SQL and database performance tuning...

Contract Software Engineer (Java/Microservices/Azure/SQL) - HealthTech - Outside IR35 - £500-£550pd - Fully Remote - 6 months Are you an experienced Backend Software Engineer looking for your next outside IR35 contract ? My client, an innovative HealthTech company , is seeking a talented Java Engineer to join their platform team on a fully remote, 6-month contract . Role Overview: You'll play a key role in enhancing and integrating core Back End services that power a modern healthcare platform. The focus will be on Java-based microservices , API integrations , and Azure cloud infrastructure , ensuring a robust and scalable system that supports critical healthcare operations. Key Skills & Experience: Strong commercial experience with Java (8+) and microservices architecture Proven background in API and platform integration Solid understanding of Azure (Functions, App Services, Service Bus, etc.) Expertise in SQL and database performance tuning...

Contract Software Engineer (Java / Microservices / Azure / SQL) - HealthTech - Outside IR35 - £500- £550pd - Fully Remote - 6 Months Are you an experienced Backend Software Engineer looking for your next outside IR35 contract ? My client, an innovative HealthTech company , is seeking a talented Java Engineer to join their platform team on a fully remote, 6-month contract . Role Overview: You 'll play a key role in enhancing and integrating core backend services that power a modern healthcare platform. The focus will be on Java-based microservices , API integrations , and Azure cloud infrastructure , ensuring a robust and scalable system that supports critical healthcare operations. Key Skills & Experience: Strong commercial experience with Java (8+) and microservices architecture Proven background in API and platform integration Solid understanding of Azure (Functions, App Services, Service Bus, etc.)...

Data Migration Engineer - Outside IR35 - Remote Overview We are seeking an experienced Data Migration Analyst/Engineer to support a major data warehouse rebuild for a wealth management firm undergoing a large-scale system and data migration programme. Working closely with the Lead Data Engineer, this role will play a critical part in ensuring the new data warehouse accurately replicates existing outputs, while identifying and resolving any data gaps introduced during migration. This is a hands-on role requiring strong analytical capability, deep SQL expertise, and experience working in complex, regulated data environments. Key Responsibilities Perform source-to-target mapping , documenting field-level lineage across systems and transformation layers Analyse and interpret complex Legacy SQL stored procedures (including multi-CTE logic, temp tables, and parameterised pipelines) Support data migration validation , ensuring accuracy and completeness of migrated datasets...

Data Migration Engineer - Outside IR35 - Remote Overview We are seeking an experienced Data Migration Analyst / Engineer to support a major data warehouse rebuild for a wealth management firm undergoing a large-scale system and data migration programme. Working closely with the Lead Data Engineer, this role will play a critical part in ensuring the new data warehouse accurately replicates existing outputs, while identifying and resolving any data gaps introduced during migration. This is a hands-on role requiring strong analytical capability, deep SQL expertise, and experience working in complex, regulated data environments. Key Responsibilities Perform source-to-target mapping , documenting field-level lineage across systems and transformation layers Analyse and interpret complex legacy SQL stored procedures (including multi-CTE logic, temp tables, and parameterised pipelines) Support data migration validation , ensuring accuracy and...

AI Engineer - Outside IR35 - Remote Overview We're looking for an experienced AI Engineer to design, build, and scale production-grade agentic systems. This role focuses on developing intelligent, tool-using agents that operate reliably in real-world environments-not just prototypes. You'll work at the intersection of LLMs, orchestration frameworks, and modern Back End systems to deliver robust AI-powered applications. Key Responsibilities Design and build AI-powered applications using agentic workflows Develop and orchestrate multi-agent systems with clear communication and task delegation patterns Implement structured output handling and tool-use integrations Build and maintain scalable Back End services using Node.js and REST APIs Ship production-ready agents with reliability, monitoring, and performance in mind Integrate agents with external tools, APIs, and MCP Servers Establish observability for AI systems, including tracing, cost monitoring, and failure...

AI Engineer - Outside IR35 - Remote Overview We 're looking for an experienced AI Engineer to design, build, and scale production-grade agentic systems. This role focuses on developing intelligent, tool-using agents that operate reliably in real-world environments-not just prototypes. You 'll work at the intersection of LLMs, orchestration frameworks, and modern backend systems to deliver robust AI-powered applications. Key Responsibilities Design and build AI-powered applications using agentic workflows Develop and orchestrate multi-agent systems with clear communication and task delegation patterns Implement structured output handling and tool-use integrations Build and maintain scalable backend services using Node.js and REST APIs Ship production-ready agents with reliability, monitoring, and performance in mind Integrate agents with external tools, APIs, and MCP servers Establish observability for AI systems, including tracing, cost...

Rate: £650 - £750 per day Duration: 6 months (strong likelihood of extension) Location: Remote with occasional London travel IR35: Outside SR2 are partnered with a leading technology consultancy delivering an AI transformation programme for one of the more ambitious fintech scale-ups in the UK market right now. They are scaling fast and need a contract engineer who has been here before, someone who has built and shipped LLM and agentic systems in a fintech or scale-up environment and knows what production really means. You'll have real ownership over technically complex work, shipping production AI into a product that actually matters, with the autonomy to do it properly. What you'll be working on: Designing and deploying LLM-powered applications and agentic workflows RAG pipeline development and optimisation Integrating AI into existing fintech data infrastructure Collaborating with product and data teams to ship at pace Tech stack: Python...

JavaScript Developer, React focused, Product Engineer (Contract) | React, TypeScript, Node.js, AWS | Product-Led Delivery | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Product Engineers (contractors) with strong frontend or full-stack capabilities to join a large-scale public sector transformation programme. This role focuses on building modern, user-centric digital products as part of cross-functional teams spanning product, design, and engineering. You’ll be working on high-impact platforms, delivering intuitive, scalable web applications used by a wide range of users. This is a 6-month initial contract, ideal for engineers who combine strong frontend expertise with product thinking and a pragmatic approach to delivery. The Role | JavaScript Developer, React focused, Product Engineer (Contract) | React, TypeScript, Node.js, AWS | Product-Led Delivery | £400-450/day | Outside IR35 | Fully Remote (UK) |...

Rust Developer | Contract | £850/day | Outside IR35 Role Overview: A leading technology-driven trading firm is looking for a Rust Developer to join their high-performance engineering team. You will play a key role in designing, building, and maintaining low-latency, mission-critical trading systems. The role offers the opportunity to work on complex problems, optimise algorithms for speed and efficiency, and contribute directly to the architecture of next-generation trading platforms. This is a fast-paced, intellectually challenging environment where your work has a visible impact on the business. Key Responsibilities: Develop and maintain high-performance trading applications using Rust. Write clean, maintainable, and well-tested code. Collaborate closely with engineers, quants, and operations teams to deliver reliable solutions. Contribute to system design and architecture, ensuring scalability and efficiency. Optimize applications for low latency, concurrency, and...

JavaScript Developer, React focused, Product Engineer (Contract) | React, TypeScript, Node.js, AWS | Product-Led Delivery | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Product Engineers (contractors) with strong frontend or full-stack capabilities to join a large-scale public sector transformation programme. This role focuses on building modern, user-centric digital products as part of cross-functional teams spanning product, design, and engineering. You’ll be working on high-impact platforms, delivering intuitive, scalable web applications used by a wide range of users. This is a 6-month initial contract, ideal for engineers who combine strong frontend expertise with product thinking and a pragmatic approach to delivery. The Role | JavaScript Developer, React focused, Product Engineer (Contract) | React, TypeScript, Node.js, AWS | Product-Led Delivery | £400-450/day | Outside IR35 | Fully Remote (UK) |...

Technical Business Analyst - 6 months, Fully Remote - Outside IR35 Role Overview In this role, you will gather, analyse, and document business and technical requirements across OSS/BSS systems and related platforms. You will work closely with stakeholders, engineers, and vendors to translate business needs into clear technical deliverables, supporting both operational improvements and strategic change programmes. Key Responsibilities Elicit and document detailed business and technical requirements across OSS/BSS systems. Analyse current processes, workflows, and data flows to identify improvement opportunities. Translate business requirements into user stories, functional specifications, and technical features. Work closely with engineering teams, PMO, and vendors to support delivery. Support process design, change initiatives, and system implementations. Contribute to testing, validation, and acceptance activities. Maintain clear documentation across...

JavaScript Developer, React focused, Product Engineer (Contract) | React, TypeScript, Node.js, AWS | Product-Led Delivery | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Product Engineers (contractors) with strong frontend or full-stack capabilities to join a large-scale public sector transformation programme. This role focuses on building modern, user-centric digital products as part of cross-functional teams spanning product, design, and engineering. You’ll be working on high-impact platforms, delivering intuitive, scalable web applications used by a wide range of users. This is a 6-month initial contract, ideal for engineers who combine strong frontend expertise with product thinking and a pragmatic approach to delivery. The Role | JavaScript Developer, React focused, Product Engineer (Contract) | React, TypeScript, Node.js, AWS | Product-Led Delivery | £400-450/day | Outside IR35 | Fully Remote (UK) |...

Senior Data Centre Network Engineer - Remote - 12 Months - Outside IR35 We are seeking a Senior Data Centre Network Engineer to lead the design, build, and evolution of high-performance, scalable data centre networks. This role is focused on modern spine-leaf architectures, SDN, and automation, supporting large-scale, low-latency environments including cloud platforms, AI workloads, and distributed systems. Key Responsibilities Design and implement spine-leaf data centre network architectures for high availability and scalability Lead the adoption and optimisation of Software-Defined Networking (SDN) solutions Architect low-latency, high-throughput networks to support AI, cloud, and data-intensive workloads Define and enforce network standards, blueprints, and best practices Own Layer 2/Layer 3 design, including routing, switching, and segmentation strategies Design and optimise east-west traffic flows within large-scale DC environments Collaborate with...