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15 application engineer jobs found

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Hybrid application engineer
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Contract Spy
Apr 23, 2026
Duration not stated
Infrastructure Engineer at SiXworks, Farnborough/Remote, £Contractor Rate
Contract Spy Hybrid (Farnborough, UK)
Location Farnborough (Hybrid) Employment Type Contractor About the job  We currently have an exciting opportunity for an Infrastructure Engineer to join our existing experienced team.     Our organisation specialises in pioneering solutions within National Security & Defense, emphasising Secure by Design methodologies. As a valued member of our team, you'll contribute to cutting-edge projects, creating highly secure and high-performance software systems. This role requires the highest level of UK security clearance.   Responsibilities are likely to include:  Maintain, improve, and secure SiXworks’ multi-classification, virtualised, collaboration and development environments.  Work with IT infrastructure colleagues to improve SiXworks’ ‘Secure by Design’ capabilities, internally and across its projects.  Provide Infrastructure support...
Contract Spy
Apr 08, 2026
6 Months or more
Automation Test Engineer at Department for Work & Pensions, Newcastle/Remote, 12 Months, £Contract Rate
Contract Spy Hybrid (Newcastle, UK)
The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child maintenance policy. As the UK's biggest public service department, it administers the State Pension and a range of working age, disability and ill health benefits to around 20 million claimants and customers. As such, we operate on a scale that is almost unmatched anywhere in Europe and most people in Britain come into contact with us at some point in their lives.   Working with DWP, you will be helping us to drive our priorities to: Help people to move into work and support those already in work to progress, with the aim of increasing overall workforce participation Help people to plan and save for later life, while providing a safety net for those who need it now Provide effective, efficient, and innovative services to the millions of claimants who rely on us every day, including the most vulnerable in society Improve experience of our services while maximising...
Contract Spy
Apr 08, 2026
6 Months or more
Automation Test Engineer at Department for Work & Pensions, Leeds/Remote, 12 Months, £Contract Rate
Contract Spy Hybrid (Leeds, UK)
The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child maintenance policy. As the UK's biggest public service department, it administers the State Pension and a range of working age, disability and ill health benefits to around 20 million claimants and customers. As such, we operate on a scale that is almost unmatched anywhere in Europe and most people in Britain come into contact with us at some point in their lives.   Working with DWP, you will be helping us to drive our priorities to: Help people to move into work and support those already in work to progress, with the aim of increasing overall workforce participation Help people to plan and save for later life, while providing a safety net for those who need it now Provide effective, efficient, and innovative services to the millions of claimants who rely on us every day, including the most vulnerable in society Improve experience of our services while maximising...
Contract Spy
Apr 08, 2026
6 Months or more
Automation Test Engineer at Department for Work & Pensions, Manchester/Remote, 12 Months, £Contract Rate
Contract Spy Hybrid (Manchester, UK)
The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child maintenance policy. As the UK's biggest public service department, it administers the State Pension and a range of working age, disability and ill health benefits to around 20 million claimants and customers. As such, we operate on a scale that is almost unmatched anywhere in Europe and most people in Britain come into contact with us at some point in their lives.   Working with DWP, you will be helping us to drive our priorities to: Help people to move into work and support those already in work to progress, with the aim of increasing overall workforce participation Help people to plan and save for later life, while providing a safety net for those who need it now Provide effective, efficient, and innovative services to the millions of claimants who rely on us every day, including the most vulnerable in society Improve experience of our services while maximising...
Contract Spy
Apr 24, 2026
Duration not stated
Senior .NET Engineer at EPAM Systems, London/Remote, £Contract Rate
Contract Spy Hybrid (London, UK)
Senior .NET Engineer (Contract) We're looking for a Senior .NET Engineer (Contract) to join our team in London, United Kingdom in a hybrid working mode. In this role, you will focus on building solutions for the finance sector, leveraging AWS and modern engineering practices. You will drive software design and development, ensure seamless integration and performance across complex systems, and maintain high standards of code quality. Responsibilities Design, develop and maintain applications using C# and .NET technologies to deliver robust, scalable solutions Design, develop and maintain software for seamless integration and optimal performance Design and implement solutions for distributed systems and ensure efficient interaction with relational and NoSQL databases Implement and maintain Infrastructure as Code (IaC) using AWS CDK with Python to automate deployment and management of cloud resources...
Contract Spy
Apr 23, 2026
up to 6 Months
Front End Developer at ReactWise, Cambridge/Remote, 3 Months, £Contract Rate
Contract Spy Hybrid (Petersfield, Cambridge CB1 1BH, UK)
Company Description ReactWise is a seed-stage start-up located in Cambridge (UK) that offers powerful no-code software for optimizing chemical reactions. Using machine learning (ML) algorithms developed by the founders during their PhDs at the University of Cambridge, their software can significantly reduce process development time, bringing novel drugs to clinical trials much faster. Several chemical and pharmaceutical companies currently use our software - from start-ups to big pharma. As an early-stage start-up, we offer the opportunity to build software at the cutting edge of machine learning and chemistry, with short iteration cycles and autonomy to shape the software development process. Role Description We’re looking for a front end software engineer to join our small, fast-moving team in Cambridge on a 3-month contract. You'll work closely with our founders and software engineers to build appealing and intuitive user interfaces that help scientists run...
Contract Spy
Apr 22, 2026
Duration not stated
Senior Solidity Engineer at Test Yantra, London/Remote, £400 per day
£400 per day
Contract Spy Hybrid (London, UK)
Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial...
Contract Spy
Apr 17, 2026
6 Months or more
Cloud Architect at Satalia, London/Remote, 6 Months+, £Contract Rate
Contract Spy Hybrid (London, UK)
Cloud Architect Role type: Contract 6 months + Location: London/Remote Cloud Architect required to join our Engineering team here at Satalia As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in the industry. Satalia, a WPP company is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight-knit team of high performing colleagues. Led by our founder and WPP Chief AI Officer Daniel Hulme, Satalia’s ambition is to become a decentralised organisation of the future. Today, this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice to ensure a safe and inviting...
Contract Spy
Apr 16, 2026
up to 6 Months
Front End Developer at ReactWise, Cambridge/Remote, 3 Months, £Contract Rate
Contract Spy Hybrid (Petersfield, Cambridge CB1 1BH, UK)
Company Description ReactWise is a seed-stage start-up located in Cambridge (UK) that offers powerful no-code software for optimizing chemical reactions. Using machine learning (ML) algorithms developed by the founders during their PhDs at the University of Cambridge, their software can significantly reduce process development time, bringing novel drugs to clinical trials much faster. Several chemical and pharmaceutical companies currently use our software - from start-ups to big pharma. As an early-stage start-up, we offer the opportunity to build software at the cutting edge of machine learning and chemistry, with short iteration cycles and autonomy to shape the software development process. Role Description We’re looking for a front end software engineer to join our small, fast-moving team in Cambridge on a 3-month contract. You'll work closely with our founders and software engineers to build appealing and intuitive user interfaces that help scientists run...
Contract Spy
Apr 16, 2026
6 Months or more
Engineering Data Manager at Xaar, Huntingdon/Remote, 6 Months, £500 per day
£500 per day
Contract Spy Hybrid (Huntingdon, UK)
CAD/ Engineering Administrator - 6 month contract Engineering Data Management | Xaar Day rate £500   We’re looking for a detail-focused CAD/PLM Administrator to join our engineering team. You’ll play a key role in keeping all our technical product data accurate, organised, and ready for manufacturing across multiple sites including supporting our teams in the UK and China. About the Role You’ll be responsible for managing engineering drawings, 3D CAD models, and product data inside our PLM system (Keytech). This is a hands-on role that ensures smooth collaboration between engineering, manufacturing, procurement, and quality teams.   Key Responsibilities Load, validate, and maintain 2D drawings, 3D CAD models, and BOMs in the PLM system Check data for accuracy, revision control, naming standards, and manufacturability Support Engineering Change processes (ECR/ECO) Work closely with design engineers...
Contract Spy
Apr 15, 2026
Duration not stated
Microsoft Dynamics Developer at 3173, Belfast/Remote, £Contract Rate
Contract Spy Hybrid (Belfast, UK)
About Us 3173 is a privately owned UK firm of pensions experts with clients throughout the UK, serviced from offices in London, Belfast, Glasgow, Manchester, Birmingham, Bristol and Leeds.   The 3173 Group of companies includes Dalriada Trustees Limited (Dalriada) one of the UK’s largest professional pension scheme trustee companies. Spence & Partners provides full pension actuarial, consulting, investment consulting and administration services that provide simply smarter solutions for trustees, employers and members and Mantle: reimagines the traditional models of defined benefit pensions administration and actuarial valuation software. About You We are seeking an experienced Microsoft Dynamics 365 Developer to join the Technology team on an initial 6-month contract based in Belfast. This role sits within the CTO function and will focus exclusively on the delivery, enhancement, and support of an improved Microsoft...
Contract Spy
Apr 15, 2026
Duration not stated
Senior Solidity Engineer at Test Yantra, London/Remote, £400 per day
£400 per day
Contract Spy Hybrid (London, UK)
Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial...
Contract Spy
Apr 10, 2026
6 Months or more
Senior AI Governance Specialist at Network Rail, York/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (York, UK)
Network Rail is at the heart of revitalising Britain's railway. From Crossrail - Europe's largest civil engineering project - to investment in world-class stations and major programmes of electrification, we are involved in some of the most ambitious and diverse ventures that this country has ever seen. We at Network Rail are dedicated to becoming one of Britain 's best employers and believe this starts with placing the candidate at the heart of everything we do!   As a Senior AI Governance Specialist you will lead responsible AI governance across the AIIA programme by defining and embedding risk management, assurance and compliance controls to support the safe, ethical and regulatory-aligned deployment of AI and automation solutions.   As a Senior AI Governance Specialist your main responsibilities will be to:   Define and embed AI governance principles, risk controls and assurance frameworks across the programme to support consistent and...
Contract Spy
Apr 10, 2026
6 Months or more
Cloud Architect at Satalia, London/Remote, 6 Months+, £Contract Rate
Contract Spy Hybrid (White Lion St, London N1 9PP, UK)
Cloud Architect Role type: Contract 6 months + Location: London/Remote Cloud Architect required to join our Engineering team here at Satalia As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in the industry. Satalia, a WPP company is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight-knit team of high performing colleagues. Led by our founder and WPP Chief AI Officer Daniel Hulme, Satalia’s ambition is to become a decentralised organisation of the future. Today, this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice to ensure a safe and inviting...
Contract Spy
Apr 07, 2026
6 Months or more
Full Stack Java Engineer at AND Digital, London/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
We are recruiting for a Full Stack Java Engineer for a 6 month contract, starting ASAP. 2 days a week in London. What you'll bring to the table: Solid commercial development experience with strong proficiency in Java and Spring Boot, alongside hands-on experience building end-to-end full stack applications (frontend, backend, and APIs). Python (agent services, orchestration, LLM integrations) Experience working with modern frontend frameworks (e.g. React, Angular, or Vue) Cloud & containers (AWS/GCP/Azure, Docker, Kubernetes basics) Kubernetes experience is preferred Data & retrieval (Postgres/NoSQL + vector DBs, embeddings, semantic search) Commercial experience working with agile methodologies. Experience dealing with challenges from stakeholders on technical issues and influencing technical decisions in the team. Understanding and ownership of best practice as a Senior Engineer (eg. TDD, SOLID, XP)   Equal Opportunities...
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