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43 application engineer jobs found

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application engineer Remote
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Contract Spy
Apr 24, 2026
Hourly/Freelance
Application Engineer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Application Engineer - AI Trainer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this...
Contract Spy
Apr 20, 2026
Hourly/Freelance
Web Application Engineer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Web Application Engineer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work...
Contract Spy
Apr 17, 2026
Hourly/Freelance
Application Engineer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Application Engineer - AI Trainer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this...
Contract Spy
Apr 13, 2026
Hourly/Freelance
Web Application Engineer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Web Application Engineer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work...
Contract Spy
Apr 10, 2026
Hourly/Freelance
Application Engineer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Application Engineer - AI Trainer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this...
Contract Spy
Apr 24, 2026
6 Months or more
AWS Serverless Engineer at AND Digital, Remote, 6 Months, £Contract Rate
Contract Spy Remote (United Kingdom)
Description Role Profile: Cloud Engineer (AWS) We are recruiting for a Cloud Engineer to join us ASAP for a duration of six months initially. This role is fully remote. Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We've been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always leave a legacy for the client. We do this through close relationships with our offices (or 'Clubs') so that our partners are always prioritized by a regional team close to them. This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,500 people with Clubs all over the UK and Europe with plans for global expansion in the next couple of years. Join us - and help us fulfil our mission to close the world's digital skills gap. What you'll...
Contract Spy
Apr 23, 2026
Duration not stated
Senior Front End Developer at Bridebook, Remote, £Competitive Day Rate
Contract Spy Remote
Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...
Contract Spy
Apr 22, 2026
6 Months or more
Database Architect/Engineer at AND Digital, Remote, 6 Months, £Contract Rate
Contract Spy Remote (United Kingdom)
Description We are recruiting for a Database Architect/Engineer to join us ASAP for a duration of six months initially. This role is fully remote. Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We've been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always leave a legacy for the client. We do this through close relationships with our offices (or 'Clubs') so that our partners are always prioritized by a regional team close to them. This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,500 people with Clubs all over the UK and Europe with plans for global expansion in the next couple of years. Join us - and help us fulfil our mission to close the world's digital skills gap. What you'll bring to the table:...
Contract Spy
Apr 21, 2026
Duration not stated
DevOps Engineer at Quantico Solutions, Remote, £400-£580 per day
£400 - £580 per day
Contract Spy Remote
A Skilled DevOps Engineer with strong hands‑on experience across AWS , Java , React , Postgres, Node and modern open‑source tooling. A proven track record building and operating secure, automated, cloud‑native platforms , ideally within public‑sector, policing, justice, or other security‑sensitive environments would be beneficial.T hey must be comfortable working with LLM‑assisted engineering , Claude is a strong bonus. In addition to technical depth, we need someone with excellent people skills — someone who collaborates well, communicates clearly, and contributes positively to a distributed engineering team. Candidates must be UK‑based with active SC clearance and NPPV3 , or be very close to accreditation. This project is currently in delivery, and we are looking for a 12‑month contract. This role is inside IR35, fully remote with no travel. IT equipment is provided for exclusive use on this programme. We need individuals...
Contract Spy
Apr 17, 2026
Duration not stated
Senior Ruby on Rails Developer at Teach Your Monster, Remote, Part-Time, £Contractor Rate
Contract Spy Remote
Senior Ruby on Rails Developer (Part-Time Contractor) Teach Your Monster Teach Your Monster builds educational games used by millions of children worldwide. Our flagship literacy game Teach Your Monster to Read has reached over 30 million players and is widely used in homes and classrooms. We’re looking for a senior Ruby on Rails developer to help maintain and evolve the platform that powers our games, user accounts and APIs. This is a contractor role (3-4 days per week) with an initial commitment of 6-12 months, working alongside our product, design and game development teams. The Role You’ll work across our Rails platform that supports our games and web services. Typical work includes: Maintaining and improving our Ruby on Rails application Designing and maintaining APIs used by our games Supporting authentication, login and SSO systems Improving test coverage, CI/CD and deployment processes Refactoring legacy...
Contract Spy
Apr 17, 2026
6 Months or more
Software Quality Assurance Engineer at BAE Systems, Remote/Weymouth, 12 Months, £65 per hr
Contract Spy Remote (Frimley, Camberley, UK)
Principal Engineer - Software Assurance £65.98 p/hr - Inside IR35 12 months Defence 1-2 days a month on site, Coventry, Barrow, Frimley or Weymouth   Our complex platforms are increasingly driven by Software, assuring the quality of this and the proper integration is critical to our success. Software assurance is the ongoing process to ensure that software products meet and comply with software engineering, quality and safety standards. It is a systems engineering activity that that supports the achievement of functional and multiple non-functional requirements and is applicable to the whole engineering lifecycle from concept design to in service support.   This is a growing role within our business and industry with significant potential for development and further growth. We expect the candidate to quickly develop an understanding of the development, use and control of software in our complex and unique application. Being actively...
Contract Spy
Apr 17, 2026
6 Months or more
Software Quality Assurance Engineer at BAE Systems, Remote/Frimley, 12 Months, £65 per hr
Contract Spy Remote (Frimley, Camberley, UK)
Principal Engineer - Software Assurance £65.98 p/hr - Inside IR35 12 months Defence 1-2 days a month on site, Coventry, Barrow, Frimley or Weymouth   Our complex platforms are increasingly driven by Software, assuring the quality of this and the proper integration is critical to our success. Software assurance is the ongoing process to ensure that software products meet and comply with software engineering, quality and safety standards. It is a systems engineering activity that that supports the achievement of functional and multiple non-functional requirements and is applicable to the whole engineering lifecycle from concept design to in service support.   This is a growing role within our business and industry with significant potential for development and further growth. We expect the candidate to quickly develop an understanding of the development, use and control of software in our complex and unique application. Being actively...
Contract Spy
Apr 17, 2026
6 Months or more
Software Quality Assurance Engineer at BAE Systems, Remote/Coventry, 12 Months, £65 per hr
Contract Spy Remote (barrow)
Principal Engineer - Software Assurance £65.98 p/hr - Inside IR35 12 months Defence 1-2 days a month on site, Coventry, Barrow, Frimley or Weymouth   Our complex platforms are increasingly driven by Software, assuring the quality of this and the proper integration is critical to our success. Software assurance is the ongoing process to ensure that software products meet and comply with software engineering, quality and safety standards. It is a systems engineering activity that that supports the achievement of functional and multiple non-functional requirements and is applicable to the whole engineering lifecycle from concept design to in service support.   This is a growing role within our business and industry with significant potential for development and further growth. We expect the candidate to quickly develop an understanding of the development, use and control of software in our complex and unique application. Being actively...
Contract Spy
Apr 16, 2026
Duration not stated
Senior Front End Developer at Bridebook, Remote, £Competitive Day Rate
Contract Spy Remote
Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...
Contract Spy
Apr 15, 2026
up to 6 Months
End User Computing Engineer at Health and Safety Executive, Remote/Liverpool, 7 Weeks, £Contract Rate
Contract Spy Remote (Liverpool, UK)
At the Health and Safety Executive, we believe everyone has the right to come home safe and well from their job. Our mission is to prevent work-related death, injury, and ill health.   Our roots stretch back to 1833. The modern HSE is an independent regulator with a wide reach across many employment sectors. Using world leading science, we have helped protect millions of people from devasting injury and suffering through our diverse regulatory activities.   We concentrate effort on the most serious risks, targeting industries with the greatest hazards, and sectors with the worst risk management record. We hold people to account where we have to, and we are firm but fair when using our legal powers. We also provide support to businesses through free guidance and advice tailored to business needs. By giving them the confidence to manage risks sensibly, we boost productivity, support the economy, and contribute to a fairer society. We work hard to help maintain...
Contract Spy
Apr 13, 2026
Hourly/Freelance
Python Developer at YO IT CONSULTING, Remote, £Hourly Rate
Contract Spy Remote (United Kingdom)
hiring experienced Python Engineers to support a variety of high-impact research collaborations with leading AI labs. Freelancers will help improve AI systems through work extending coding benchmarks that reflect real-world development across diverse languages and domains. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. Key Responsibilities Develop and validate coding benchmarks in Python by curating issues, solutions, and test suites from real-world repositories Ensure benchmark tasks include comprehensive unit and integration tests for solution verification Maintain consistency and scalability of benchmark task distribution Provide structured feedback on solution quality and clarity Debug, optimize, and document benchmark code for reliability and reproducibility Ideal Qualifications 3–10 years of experience as a backend software engineer, ML engineer,...
Contract Spy
Apr 09, 2026
Duration not stated
Senior Front End Developer at Bridebook, Remote, £Competitive Day Rate
Contract Spy Remote
Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...
Contract Spy
Apr 08, 2026
up to 6 Months
Fullstack Software Engineer at Paloma Health, Remote, 3-5 Months, £Competitive Day Rate
Contract Spy Remote
Fullstack Software Engineer (Freelance) Time commitment: Freelance project lasting around 3 to 5 months         Location: Hybrid or Remote Reporting to: VP of Technology, Avishai Gurt About Paloma Paloma’s mission is to make children’s autism and ADHD assessments and care available on the NHS within 4 weeks of GP referral. We are making this possible by setting a new standard for high-quality autism and ADHD care, building great software & AI tools, and investing in clinicians' learning & development.   Mark and Darshak founded Paloma due to their frustration that families are waiting 4-10 years for NHS children’s autism and ADHD assessments. This crisis in NHS children’s neurodevelopmental services has been highlighted by the Children’s Commissioner for England here:...
Contract Spy
Apr 23, 2026
6 Months or more
Senior Node.js Engineer at World Wide Technology, Remote/London, 9 Months, £Contract Rate
Contract Spy Remote (London, UK)
WWT EMEA has an opportunity for a Senior Node.js Engineer to modernize and rebuild internal Node.js‑based package manager into a fully supported product.   The successful candidate will be developing a cross‑platform CLI tool for Windows and macOS, integrating with Artifactory, and supporting governance and distribution processes for portable developer tools.   This is a contract Role & Inside IR35   Senior Node.js Engineer   Contract Duration: 9 months Contract   Location: Remote, United Kingdom (Occasional travel to London as per business need)     Key Responsibilities: Modernize and rebuild internal Node.js-based package manager into a fully supported product. Develop a cross‑platform CLI tool (Windows + macOS) that supports package discovery and installation. Integrate the CLI with Artifactory for tool, SDK, runtime, and FOSS package distribution. Support governance for...
Contract Spy
Apr 23, 2026
up to 6 Months
Senior Power Platform Developer at UK Research & Innovation, Remote, 2 Months, £Contract Rate
Contract Spy Remote
Job Purpose As a Senior Power Platform Developer with experience of implementing solutions using the Microsoft Power platform toolset, the role-holder will work as part of a multi-disciplinary team on an exciting Alpha phase of a digital services solution for a major UKRI programme - Research Excellence Framework. With a passion for cutting-edge technology and embracing low code platforms such as the MS Power Platform, the role holder will provide technical input and innovation to ensure appropriate solutions are in place to meet business requirements.   As a Power Platform Engineer you will design, build, and maintain low code solutions that support UKRI's strategic and operational objectives. The role enables teams across UKRI to automate processes, improve data accessibility, and deliver secure, scalable digital services using Microsoft Power Platform technologies. The engineer works closely with product owners, business analysts, and technical teams to translate...
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