97 contract systems engineer jobs found

A company that specialise in electro-mechanical systems for the Automotive / EV industry is seeking to recruit a Systems Engineer to work on a contract based in Surrey that is initially scheduled for 6 months, Outside IR35. The Role This is an exciting opportunity to support the development and specification of next-generation products within a complex engineering environment. The successful candidate will work alongside senior engineering team members to apply structured systems engineering principles, supporting the delivery of safe, secure, and innovative solutions in line with industry standards, including ISO 26262 Functional Safety and ISO 21434 Cybersecurity. The role requires a strong understanding of systems engineering methodologies, with experience in defining, analysing, and refining end-to-end system architectures. You will contribute to the development of clear system requirements, support architectural design decisions, and provide technical justification...

Systems Engineer / Systems Administrator (Contract) – Outside IR35 Contract: 6 Months Working Pattern: Hybrid – 3 days onsite, 2 days remote We're looking for an experienced, hands-on Systems Engineer / Systems Administrator to join a busy infrastructure team. This role has been created to provide additional support across a 3rd Line function that is balancing day-to-day operational support with a wide range of ongoing infrastructure and business projects. This is an ideal opportunity for someone who enjoys variety, thrives in a fast-paced environment, and has a strong support background rather than a project management or consultancy focus. The Role You'll become an integral part of the 3rd Line Infrastructure team, supporting both BAU operations and project-related requests across the business. While you won't be delivering projects directly, you'll provide the technical expertise needed to support multiple initiatives including security, CRM, infrastructure, server...

Job Title ETCS Systems Engineer Job Type: Contract Outside IR35 Contract Duration: Minimum 8-Month Location: Derby (Hybrid) Rate: Negotiable Depending on Experience An exciting opportunity has arisen for an experienced ETCS Systems Engineer to join a leading organisation within the UK rail industry on a contract basis click apply for full job details

Systems Engineer Manchester Outside IR35 Our client is seeking a Systems Engineer who is recognised as a technical thought leader across enterprise infrastructure. You'll provide strategic and hands-on leadership across Windows Server, Active Directory, Microsoft 365, Entra ID, Intune, virtualisation, storage and cloud technologies, influencing technical direction while remaining actively invol click apply for full job details

Systems Engineer Manchester Outside IR35 Our client is seeking a Systems Engineer who is recognised as a technical thought leader across enterprise infrastructure. You'll provide strategic and hands-on leadership across Windows Server, Active Directory, Microsoft 365, Entra ID, Intune, virtualisation, storage and cloud technologies, influencing technical direction while remaining actively involved in the engineering and delivery of complex infrastructure solutions. Key Skills and Experience of the Systems Engineer: Must have expert knowledge of Windows Server, Active Directory, Microsoft 365, Entra ID, and Intune. Must have strong experience with VMware and/or Hyper-V, SAN, and NAS technologies. Proven experience as a technical leader within a large digital transformation project. Cloud infrastructure experience in Azure, GCP, and/or AWS. Experience with backup, disaster recovery, patch management, and high-availability design. Solid networking fundamentals,...

Systems Engineer Manchester Outside IR35 Our client is seeking a Systems Engineer who is recognised as a technical thought leader across enterprise infrastructure. You'll provide strategic and hands-on leadership across Windows Server, Active Directory, Microsoft 365, Entra ID, Intune, virtualisation, storage and cloud technologies, influencing technical direction while remaining actively invol click apply for full job details

Security Operations Engineer | Microsoft Security Technologies | Contract Outside IR35 Hybrid: 3-day onsite (Bank Station) OR Liverpool office Rate: £350-£400/day (Outside IR35) Contract Duration: Initial 6 months with a potential extension Industry: Highly Regulated Environment Job Summary: Seeking for a Security Operations Engineer to join one of our highly regulated client on a contract basis. You'll be responsible for monitoring, detecting, investigating, and responding to security threats across Microsoft and hybrid environments. You'll play a key role in safeguarding critical business systems through proactive threat hunting, incident response, detection engineering, and operational support of core security programmes. Key responsibilities: Investigate and respond to escalated security incidents and events Perform event-based and policy-based threat hunting activities Develop and maintain threat detections within Microsoft Defender XDR Support network security...

Senior C# Engineer – .NET 8/9, AWS Lambda, SQS, SNS – OUTSIDE IR35 £700–£800/day • 100% Remote • 11-month rolling contract Takeaway: Lead the architecture and build of a greenfield SaaS platform as a deeply senior, hands-on C# engineer, with heavy emphasis on deep .NET engineering , high-performance distributed systems , and real-world AWS serverless delivery . You’ll also have the opportunity to develop hands-on skills with Claude Code , one of the most advanced AI-assisted development tools in the industry. Role Overview: You’ll operate as the technical spearhead for a greenfield product build, reporting to the Director of Engineering. Expect deep backend engineering, distributed system design, and high-quality serverless delivery, plus the chance to adopt modern AI-assisted development practices as part of your workflow. What You’ll Bring: Senior/Staff-level backend mastery in C# and .NET 8/9 , with the ability to architect and lead...

Role: QA Test Engineer Location: Fully Remote (UK Based) Type: Contract (Outside IR35) Duration: Initial 6 months Security Clearance: SC Clearance preferred, or eligible to obtain SC Clearance About the Role We are seeking two highly experienced Senior QA Engineers to play a pivotal role in a major new programme delivering complex, data-intensive systems . This is an opportunity to take ownership of quality across the full software life cycle, ensuring robust testing, data validation, and formal acceptance processes are Embedded from the outset. The successful candidate will work within a highly autonomous engineering team, helping to define quality standards, test strategies, and automated frameworks while validating large-scale data processing and streaming solutions. This role goes beyond traditional software testing and requires an individual who can take ownership of quality assurance, challenge assumptions, and build the evidence needed to support...

Senior Software Engineer - Pricing & Availability (Node/React/.Net) We're supporting a high-traffic global travel and E-commerce platform in its search for a Senior Software Engineer to strengthen its pricing and availability systems. This is a hands-on contract role focused on improving the performance, reliability and scalability of a complex transactional platform processing millions of customer searches across multiple international markets. What you'll be working on: Building and improving pricing, quote-caching and availability services Designing resilient APIs and integration patterns Tackling latency, performance and infrastructure cost challenges Managing the trade-off between pricing freshness and cache efficiency Improving observability through monitoring, tracing and meaningful metrics Working alongside teams responsible for third-party integrations and booking systems Using AI coding tools as part of your day-to-day engineering workflow What...

Senior C# Engineer - .NET 8/9, AWS Lambda, SQS, SNS - OUTSIDE IR35 £700-£800/day 100% Remote 11-month rolling contract Takeaway: Lead the architecture and build of a greenfield SaaS platform as a deeply senior, hands-on C# engineer, with heavy emphasis on deep .NET engineering , high-performance distributed systems , and real-world AWS serverless delivery . You'll also have the opportunity to develop hands-on skills with Claude Code , one of the most advanced AI-assisted development tools in the industry. Role Overview: You'll operate as the technical spearhead for a greenfield product build, reporting to the Director of Engineering. Expect deep Back End engineering, distributed system design, and high-quality serverless delivery, plus the chance to adopt modern AI-assisted development practices as part of your workflow. What You'll Bring: Senior/Staff-level Back End mastery in C# and .NET 8/9 , with the ability to architect and lead distributed REST...

Senior Software Engineer - Pricing & Availability (Node/React/.Net) We're supporting a high-traffic global travel and e-commerce platform in its search for a Senior Software Engineer to strengthen its pricing and availability systems. This is a hands-on contract role focused on improving the performance, reliability and scalability of a complex transactional platform processing millions of customer searches across multiple international markets. What you'll be working on: • Building and improving pricing, quote-caching and availability services • Designing resilient APIs and integration patterns • Tackling latency, performance and infrastructure cost challenges • Managing the trade-off between pricing freshness and cache efficiency • Improving observability through monitoring, tracing and meaningful metrics • Working alongside teams responsible for third-party integrations and booking systems • Using AI coding tools as...

Senior Software Engineer - Pricing & Availability (Node/React/.Net) We're supporting a high-traffic global travel and E-commerce platform in its search for a Senior Software Engineer to strengthen its pricing and availability systems. This is a hands-on contract role focused on improving the performance, reliability and scalability of a complex transactional platform processing millions of customer searches across multiple international markets. What you'll be working on: Building and improving pricing, quote-caching and availability services Designing resilient APIs and integration patterns Tackling latency, performance and infrastructure cost challenges Managing the trade-off between pricing freshness and cache efficiency Improving observability through monitoring, tracing and meaningful metrics Working alongside teams responsible for third-party integrations and booking systems Using AI coding tools as part of your day-to-day engineering workflow What...

Senior Python Backend Engineer £550/day | Outside IR35 | 4 Months | Hybrid (Watford) We're working with a technology company building high-performance Back End platforms, and we're looking for an experienced Senior Python Backend Engineer to join the team on an initial 4-month contract. This is a hands-on engineering role focused on designing, building and improving production Back End services. This is NOT an AI, Data Engineering or Cloud Engineering position. What you'll be doing Designing and building production Python Back End services using FastAPI Developing scalable REST APIs and distributed Back End systems Working with event-driven architectures using technologies such as Kafka or RabbitMQ Improving performance, reliability and maintainability of existing services Collaborating with experienced Back End engineers on architecture and code quality Writing clean, well-tested Python code using modern engineering practices What we're looking for Strong...

Location : London Work Type : Hybrid Job Type : Contract Experience : 5-10 Years About the Role: This role is an Embedded Software Engineer position focused on developing and debugging software on NXP i.MX8 or similar platforms using C++. It requires strong expertise in communication protocols, hardware debugging tools, and Linux, with Yocto build system experience as a plus. Skills & Qualifications : 5+ years of experience with Embedded systems (NXP iMX8 or similar platform) Strong knowledge of C++ programming language Knowledge in JLink, JTag, ICE Debugger, Serial Port Debugging Working knowledge of Linux Key Responsibilities: You will be responsible for design and development of Real Time Embedded software and firmware, and PC/mobile based software application Analyze domain specific technical requirement and modification as per end customer or system requirement and participate in software design Perform software testing including unit,...

Senior Geospatial Engineer | Outside IR35 | Remote SR2 are looking for a Senior Geospatial Engineer to support the development of scalable spatial data solutions for a cloud-based, data-driven platform. You'll join a cross-functional team, taking ownership of the pipelines and services used to ingest, process, validate, store and publish complex geospatial datasets. The Role You'll design and build robust geospatial workflows capable of handling data at scale. The role combines geospatial engineering, software development and cloud delivery, with the opportunity to influence technical standards, architecture and engineering best practice. Key responsibilities will include: Building pipelines for the ingestion, transformation, validation and publication of spatial data Developing scalable geospatial services and processing workflows Working with traditional and cloud-native spatial formats Consuming and publishing data through REST and OGC APIs Optimising spatial...

A public sector organisation is seeking a Senior Data & Reporting Engineer to join via a Consultancy to support a major cloud-based data programme focused on occupancy analytics and smart building technologies. You will play a pivotal role in designing, developing and optimising data pipelines, reporting datasets and analytical solutions that transform complex operational data into trusted business insights. Working as part of a multi-disciplinary Agile team, you will help evolve a sophisticated AWS-hosted platform that ingests data from WiFi, IoT sensors and other property technology systems. This is an exciting opportunity for someone who enjoys combining data engineering, analytics engineering and reporting expertise to deliver high-quality data products that inform strategic and operational decision-making. This is an initial contract until May 2027 with potential to be extended, it is one day per week in the office in Central London with a daily rate of £610...

AI SOFTWARE ENGINEER - DV CLEARED BRAND NEW OUTSIDE IR35 CONTRACT OPPORTUNITY AVAILABLE WITH A LEADING NATIONAL SECURITY CONSULTANCY FOR AN AI SOFTWARE ENGINEER Contract opportunity for an AI Software Engineer Outside IR35 Day rate up to £650 Hybrid role - London Must hold active UKSV DV clearance To apply please email or call WHO WE ARE? We are working with a specialist consultancy delivering cutting-edge AI and software solutions into the UK National Security and Defence sector. Due to continued growth and the expansion of several mission-critical programmes, we are looking for an experienced AI Software Engineer to join a high-performing engineering team in London. WHAT WILL THE AI SOFTWARE ENGINEER BE DOING? You will be designing and building AI-enabled software systems that support complex operational environments. The role will involve developing scalable backend services, integrating machine learning models into production...

At Mindera, we craft software with people we love. We're looking for a Principal Java Engineer with strong Retail experience who can join our crew! Please note: This is a six month contract that sits outside IR35. You will be required to work in Paddington 3 days a week. What does the role involve? Lead technical deep dives and knowledge sharing in the teams, anticipating challenges and proposing solutions Start influencing product and business decisions Hands-on Software Development: Write high-quality Java code using frameworks such as Spring Boot or Micronaut Build robust services that support secure, high-volume payment transactions Develop integrations with acquiring banks, payment gateways, and fraud detection tools Cloud & DevOps Practices: Build and support cloud-native systems on the cloud (preferably Azure) using Terraform and Kubernetes Manage CI/CD pipelines using GitHub Actions and ensure smooth delivery to production Own...

Senior Full-Stack Engineer (AI, Data, Manufacturing) — Contract to Perm Fully Remote (UK) · Outside IR35 · Long-term role About Us We're a UK consultancy with 10 years of experience building software for manufacturers. We turn fragmented systems, reports and data into AI-ready context that helps businesses make better decisions. We do this through bespoke client work and through ViewOps , the AI platform we're building from a decade of operational know-how. We're a small, hungry team hiring our next core engineer. The role starts as a contract and is intended to convert to permanent, with long-term upside as we grow the team that takes ViewOps to the next level. What makes this different If you prefer practical engineering over corporate process, this role will suit you well. We build systems that solve genuine operational problems, and the work has immediate impact across live manufacturing environments. Fully remote, minimal admin, minimal meetings. We...