21 senior systems engineer jobs found

Senior Systems Engineer – Microsoft & VMware   £400–£500 per day | Outside IR35 6-month contract with extension potential Hybrid working   Join a globally recognised MedTech and life sciences organisation whose technology supports scientific innovation, diagnostics and products that improve human health. With operations spanning multiple countries, this is an opportunity to work within a complex global enterprise infrastructure environment.   This is a hands-on Senior Infrastructure Engineer role focused on VMware and Microsoft enterprise infrastructure , including Windows Server, Azure, Active Directory/Entra ID, Microsoft 365 and Dynamics. A key focus will be supporting a major tenant-to-tenant migration , alongside wider infrastructure transformation and global site transitions across cloud and on-premises environments.   This is a fantastic opportunity for a seasoned infrastructure...

Senior Systems Engineer – Microsoft & VMware (Multiyear migration)   £450–£550 per day | Outside IR35 6-month contract with extension potential Hybrid working   Join a globally recognised MedTech and life sciences organisation whose technology supports scientific innovation, diagnostics and products that improve human health. With operations spanning multiple countries, this is an opportunity to work within a complex global enterprise infrastructure environment.   This is a hands-on Senior Infrastructure Engineer role focused on VMware and Microsoft enterprise infrastructure , including Windows Server, Azure, Active Directory/Entra ID, Microsoft 365 and Dynamics. A key focus will be supporting a major tenant-to-tenant migration , alongside wider infrastructure transformation and global site transitions across cloud and on-premises environments.   This is a fantastic opportunity for a...

Senior Systems Engineer – Microsoft & VMware   £400–£500 per day | Outside IR35 6-month contract with extension potential Hybrid working   Join a globally recognised MedTech and life sciences organisation whose technology supports scientific innovation, diagnostics and products that improve human health. With operations spanning multiple countries, this is an opportunity to work within a complex global enterprise infrastructure environment.   This is a hands-on Senior Infrastructure Engineer role focused on VMware and Microsoft enterprise infrastructure , including Windows Server, Azure, Active Directory/Entra ID, Microsoft 365 and Dynamics. A key focus will be supporting a major tenant-to-tenant migration , alongside wider infrastructure transformation and global site transitions across cloud and on-premises environments.   This is a fantastic opportunity for a seasoned infrastructure...

Interim Software Engineering Manager 6-month contract | c. £500 per day | Outside IR35 | Hybrid, Oxfordshire Are you a senior software leader who can quickly understand complex systems? Do you enjoy combining architecture, hands-on engineering and technology strategy? Would you like the opportunity to shape the next phase of a growing software capability? Our client, an innovative technology-led engineering organisation, is seeking an Interim Software Engineering Manager for an initial six-month contract. This is a high-impact assignment for someone who can provide technical direction, strengthen engineering practices and help turn long-term business goals into a practical software roadmap. Why This Role Is Great: You will have the opportunity to: Take ownership of the technical direction and evolution of a complex software platform. Work closely with senior leaders to align software architecture, delivery priorities and wider business...

Senior Backend Engineer - Node.js/TypeScript 12-Month Contract | Fully Remote | Outside IR35 We're looking for a Senior Backend Engineer to join an exciting fintech business, working on highly scalable, mission-critical financial systems. The role is heavily focused on Node.js, TypeScript and AWS , with genuine ownership across the full lifecycle — from system design and architecture through to development, release and production support. You'll have the opportunity to work on new products and capabilities from an early stage , making key technical decisions and helping shape how the platform evolves. What you'll be working on Design, build and operate reliable, scalable Back End services Own areas of the platform, including architecture and technical direction Build resilient APIs and distributed systems within a regulated financial environment Work with AWS serverless technologies , including Lambda, SQS, EventBridge and API Gateway Work with MongoDB and...

Opportunity for a Senior Product Engineer to work remotely for a UK based AI scale-up on an initial 6-month contract outside IR35. You'd join a product-focused engineering org and would be part of an autonomous team responsible for building cloud-native, event-driven systems from 0-1 in a collaborative DevOps environment. Required experience: Clear end-to-end ownership (discovery → delivery → validation) Strong product thinking (customer value, not just implementation) Evidence of iterative delivery (MVPs, feedback loops, prioritisation) Ability to work with ambiguity and challenge requirements Tech: Python FastAPI, Django, Vue MongoDB, PostgreSQL Kubernetes GCP In return they're offering a remote-first 6-month remote contract outside IR35 paying up to £700pd. If you're interested and would like to know more, please apply through this advert and I'll be in touch.

Opportunity for a Senior Fullstack Engineer to join a software consultancy as they go through a scale-up following a number of significant project wins in the iGaming industry. The company is at the forefront of AI-native software engineering, they employ over 500 people and have a strong presence across the UK. As a Senior Fullstack Engineer, you'll join a product-based team with a "you build it, you run it" mentality, owning all aspects of the systems you work on, from design through to deployment and supporting them in production. Skills: Java and Spring Boot TypeScript (Vue or React) REST APIs and Kafka event-driven systems AWS (including S3, Lambda, ECS, EKS, MSK) TDD, CI/CD and IaC Observability AI assisted engineering In return they're offering a remote-first 6-month contract outside IR35 that's paying up to £500pd. To be suitable for this role you must be UK based have prior experience in the iGaming, betting or FS industries. If you're interested and...

Senior JavaScript Engineer contract - Outside IR35 - £575 per day Leading Ecommerce client is now recruiting a talented Full Stack JavaScript Developer' who is proficient in front and Back End development. (React/Node.js), with an emphasis on Back End Node work initially. This role will be joining their platform team, designing, and building the foundations of which our clients innovative web and mobile applications run on. What will a day in the role entail? Working as an integral part of an agile team contributing towards the planning and development of systems/platforms. Collaborating with engineers, product owners and business analysts to define solutions, ways of working and share knowledge across the department. Reviewing code and providing support to members of your team. Working on client-facing applications in react/next.js Designing and building Node.js/GraphQL APIs. The ideal Senior JavaScript Engineer Senior level experience in modern...

Interim Software Engineering Manager 3-month contract | c. £500 per day | Outside IR35 | Hybrid, Oxfordshire Are you a senior software leader who can quickly understand complex systems? Do you enjoy combining architecture, hands-on engineering and technology strategy? Would you like the opportunity to shape the next phase of a growing software capability? Our client, an innovative technology-led engineering organisation, is seeking an Interim Software Engineering Manager for an initial six-month contract. This is a high-impact assignment for someone who can provide technical direction, strengthen engineering practices and help turn long-term business goals into a practical software roadmap. Why This Role Is Great: You will have the opportunity to: Take ownership of the technical direction and evolution of a complex software platform. Work closely with senior leaders to align software architecture, delivery priorities and wider business...

Senior Android Engineer (Contractor) Location: Manchester city centre, 2 days/week onsite + remote 3 days/week Contract: Initial 3-4 month contract (strong likelihood of extension) Rate: £400-500 (Outside IR35) Start Date: Early October Overview Are you looking to make a genuine, visible impact in a short window rather than settle into a long slow ramp-up? This role offers exactly that. We're looking for an experienced Senior Android Engineer to join the Digital Engineering team of a well-known UK consumer brand, on a hands-on delivery contract supporting a significant new customer-facing proposition. The Android app is a modern, Kotlin-first, Jetpack Compose-only application built on multi-module clean architecture, with an established in-house permanent engineering team already in place. This is a genuine delivery role for someone who can get up to speed fast, ship high-quality software without unnecessary ceremony, and leave the codebase in a better state than they found...

Senior Product Engineer - Python/React | £650/day Outside IR35 Up to £650/day | Outside IR35 | 6 months | Shoreditch, London I'm working with an exciting early-stage HealthTech business that is building a highly ambitious consumer healthcare product from the ground up. They have an exceptionally experienced founding team with a strong track record of building, scaling and exiting successful technology businesses , and are now growing the engineering team at a key stage of the company's journey. They're looking for an experienced Product Engineer who wants genuine ownership - working closely with the founders and engineering team to take problems from initial idea through to production and customer feedback. This isn't a ticket-driven engineering role. They need someone who enjoys building, shipping and making product decisions . Key experience: Excellent Python engineering skills Async systems/data processing React and comfortable working across the full stack...

🚨 Senior Product Engineer | HealthTech | Outside IR35 | £550-600/day Few&Far are partnered with one of the most ambitious early-stage HealthTech businesses I’ve come across, and they’re adding another engineer to the team. This is additional headcount, taking the engineering team to 7. They only want the best of the best!! They’re building a category-leading consumer healthcare product designed to help people understand their health, prevent illness and ultimately live healthier for longer. The platform brings together: 🩺 Blood testing & health data 👨 ⚕️ Dedicated doctors, PTs, nutritionists & specialists 🤖 AI-driven health insights 💬 Messaging & care team access 🏋️ Workouts & nutrition tracking 🏥 NHS record integration 📱 Consumer-facing React Native applications What are they looking for? 🐍 Excellent Python engineering skills, Python is at the core of the stack 🚀 Zero-to-one experience, someone who has built new...

Principle Systems Engineer (Outside IR35) Stevenage £500 - £600 a day 6 months initial contract with opportunity to be extended to 12 months Our client is seeking an SME Principal Systems Engineer to provide end-to-end technical ownership of a new physical system on a contract basis. You'll be the go-to technical authority for the programme, leading requirements definition, system architecture, and technical decision-making from concept through to delivery, ensuring the project is successfully completed. Roles/Responsibilities Own system requirements, architecture and technical direction. Act as the senior technical authority for a complex engineering programme. Lead multidisciplinary design, integration and problem-solving activities. Direct and challenge suppliers, partners and specialist engineering teams. Drive verification, validation and product qualification. Engage customers and stakeholders while shaping systems engineering best...

Principle Systems Engineer (Outside IR35) Stevenage £500 - £600 a day 6 months initial contract with opportunity to be extended to 12 months Our client is seeking an SME Principal Systems Engineer to provide end-to-end technical ownership of a new physical system on a contract basis. You'll be the go-to technical authority for the programme, leading requirements definition, system architecture, and technical decision-making from concept through to delivery, ensuring the project is successfully completed. Roles/Responsibilities Own system requirements, architecture and technical direction. Act as the senior technical authority for a complex engineering programme. Lead multidisciplinary design, integration and problem-solving activities. Direct and challenge suppliers, partners and specialist engineering teams. Drive verification, validation and product qualification. Engage customers and stakeholders while shaping systems engineering best practice....

Senior AI Engineer (BioTech/Pharma) | Outside IR35 Contract £600 - 700pd | Hybrid, Oxford | 6 months Harvey Nash are working with an exciting consultancy who are looking to bring on a highly experienced AI Engineer to support on a crucial project within the BioTech/Pharma space. Industry domain knowledge would be beneficial. Key Technical Skills Required Senior Python engineer with strong production software engineering experience. Commercial experience building LLM, agentic AI or multi-agent systems. Hands-on experience with LangGraph, LangChain, Haystack or similar frameworks. Proven ability to deploy AI/ML systems into production environments. Strong knowledge of inference, latency, performance, data pipelines, memory and tool/function calling. Experience with large-scale search and retrieval, including embeddings, indexing and querying multi-modal datasets. Confident with Docker, Git and cloud platforms, ideally AWS. Understanding of secure deployments,...

Senior C# / Azure Engineer – £600/day Outside IR35 Contract: Initial contract Rate: Up to £600 per day IR35: Outside IR35 Location: UK – Hybrid Office: 1–2 days per week Start: ASAP / immediately available strongly preferred We are currently recruiting for a Senior C# / Azure Engineer to join an established engineering team of approximately 40 people. This is a hands-on engineering role for someone with strong experience building cloud-based, distributed and event-driven systems using C#, Azure and modern integration technologies. Key Skills Strong commercial experience with C# / .NET Strong Microsoft Azure experience Apache Kafka / event streaming REST APIs and service integration Event-driven architecture Distributed systems Scalable backend services Angular / frontend experience is a nice-to-have The Role You will work as part of a collaborative engineering team, developing and integrating modern cloud-based services...

Senior Full Stack Java/Vue.js Engineer - Contract Location: UK - Fully Remote Rate: Up to £500 per day IR35: Outside IR35 Duration: 6 months initially I'm looking for an experienced Senior Full Stack Java/Vue.js Engineer to join a high-performing engineering team on an initial 6-month contract. This is a hands-on development role where you'll be working across both Back End and Front End technologies, contributing to the delivery and evolution of a complex, business-critical platform. The Role You'll be responsible for designing, developing and delivering high-quality software across the full technology stack, working closely with other engineers, architects and stakeholders to deliver robust and scalable solutions. The ideal candidate will be comfortable taking ownership of technical challenges, contributing to architectural decisions and working within an engineering environment where quality, reliability and security are critical. Key Skills & Experience...

Data Engineer | Capital Markets | London/Hybrid | 12 month contract Location: London (Flexible Hybrid model) circa 1-2 day p/w in office IR35: Outside A leading, global financial services firm is seeking an experienced Data Engineer to join their expanding Capital Markets technology team. This is an opportunity to work on a large-scale data transformation programme, developing robust data platforms that services a range of key areas including Front Office trading, risk, regulatory reporting, and market data analytics. Working alongside stakeholders across Trading, Risk, Quantitative Research and Technology, you will design and build scalable data solutions that enable critical business decisions across global markets. Key Responsibilities Design, develop and optimise enterprise-scale data pipelines and platforms Build and maintain data solutions supporting capital markets and a global trading functions Develop cloud-native data engineering solutions using modern...

Learner Analytics Product Manager Remote | Outside IR35 | 3-6 Month Contract We are seeking an experienced Learner Analytics Product Manager to support the development and enhancement of a learner analytics capability for a leading higher education organisation. This is an exciting opportunity to shape how learner data is used to improve student outcomes, retention, engagement, and institutional decision-making. You will work closely with academic stakeholders, data teams, technology partners, and senior leadership to define and deliver a product roadmap that maximises the value of learner analytics across the organisation. Key Responsibilities Define and own the learner analytics product vision, strategy, and roadmap. Engage with stakeholders across academic, student services, planning, and IT teams to gather requirements and prioritise initiatives. Translate business needs into detailed product requirements and user stories. Drive the development and adoption of learner...

Learner Analytics Product Manager Remote | Outside IR35 | 3-6 Month Contract We are seeking an experienced Learner Analytics Product Manager to support the development and enhancement of a learner analytics capability for a leading higher education organisation. This is an exciting opportunity to shape how learner data is used to improve student outcomes, retention, engagement, and institutional decision-making. You will work closely with academic stakeholders, data teams, technology partners, and senior leadership to define and deliver a product roadmap that maximises the value of learner analytics across the organisation. Key Responsibilities Define and own the learner analytics product vision, strategy, and roadmap. Engage with stakeholders across academic, student services, planning, and IT teams to gather requirements and prioritise initiatives. Translate business needs into detailed product requirements and user stories. Drive the development and adoption of learner...