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22 web application engineer jobs found in Hybrid

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Hybrid web application engineer
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Contract Spy
May 08, 2026
Duration not stated
Flutter Developer at Saible, UK/Hybrid, £400 per day
£400 per day
Contract Spy Hybrid (UK)
UK BASED APPLICANTS ONLY PLEASE   NO RECRUITERS THANK YOU   Company Overview Saible is transforming the way payments are made in the construction industry, addressing the insolvency and mental health crises in the sector. We are on a journey of rapid growth and innovation in the FinTech space.   Values These are the core values we uphold here at Saible. If they resonate with you, we might be the right fit:   Trusting & trustworthy – living our lives based on ethics, fairness, inclusion and respect. Focused – driven to solve real-world problems. Collaborative – diversify our thinking to create the best solutions. Responsible – creating a product and company that has a positive impact on society and the planet. Have fun - life’s too short not to.   Job Summary We have a small, experienced engineering team (one back end, one front end, one DevOps, one UX). We...
Contract Spy
May 22, 2026
up to 6 Months
Front End Developer at ReactWise, Cambridge/Remote, 3 Months, £Contract Rate
Contract Spy Hybrid (Cambridge, 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
May 20, 2026
6 Months or more
Lead Software Engineer at Department for Work & Pensions, UK Office/Remote, 12 Months, £Contract Rate
Contract Spy Hybrid (United Kingdom)
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...
Contract Spy
May 20, 2026
6 Months or more
Scientific Software Engineer at Met Office, Exeter/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (Exeter, UK)
In this role you will provide technical leadership in the re-design, development and translation, maintenance, and support of existing specialised scientific software applications into an updated code base to enable easier scientific changes and maintenance of existing capabilities.   As a Scientific Software Engineer your main responsibilities will be to:   Proficiently provide deep and/or broad scientific and technical insight into the re-coding of legacy scientific software into supportable code. Engage with internal and/or external users alongside the Project and Product roles in the team to understand the requirements for your work and significantly contribute to the development and evaluation of plans to meet these requirements. Apply, promote, and support good Quality Assurance processes, best practice and standards in both your and others' work to ensure agreed standards are maintained and support collaborative team ways of working....
Contract Spy
May 19, 2026
6 Months or more
Test Engineer at Department for Work & Pensions, Newcastle/Remote, 12 Months, £Contract Rate
Contract Spy Hybrid (Newcastle, UK)
Core Purpose  Join DWP's Digital Payment Services team on a major, multi-year transformation programme modernising one of the UK's largest and most critical payment platforms. As the UK's biggest payer, supporting over 22 million citizens and processing approximately £230 billion in payments annually, this programme is re-platforming core systems to improve resilience, scalability and future innovation across government services.   As part of an Agile delivery team, you will support the delivery of applications across AME Payments, contributing to the reliability and performance of critical citizen-facing services.   As a Test Engineer , your main responsibilities will be to: Test applications that underpin critical citizen services, ensuring usability, accessibility, security, stability and performance. Build and maintain robust automated test frameworks and test suites. Identify, log and support resolution of defects impacting...
Contract Spy
May 19, 2026
6 Months or more
Test Engineer at Department for Work & Pensions, Manchester/Remote, 12 Months, £Contract Rate
Contract Spy Hybrid (Manchester, UK)
Core Purpose  Join DWP's Digital Payment Services team on a major, multi-year transformation programme modernising one of the UK's largest and most critical payment platforms. As the UK's biggest payer, supporting over 22 million citizens and processing approximately £230 billion in payments annually, this programme is re-platforming core systems to improve resilience, scalability and future innovation across government services.   As part of an Agile delivery team, you will support the delivery of applications across AME Payments, contributing to the reliability and performance of critical citizen-facing services.   As a Test Engineer , your main responsibilities will be to: Test applications that underpin critical citizen services, ensuring usability, accessibility, security, stability and performance. Build and maintain robust automated test frameworks and test suites. Identify, log and support resolution of defects impacting...
Contract Spy
May 19, 2026
Duration not stated
Senior Java Engineer at AND Digital, Bradford/Remote, £Contract Rate
Contract Spy Hybrid (Bradford, UK)
We are recruiting for a Senior Java Engineer for a contract role to start ASAP. On-site: 2 dpw in Bradford Key skills: strong experience in Java and comfortable with TDD (test-driven development). Must be happy to work INSIDEIR35 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 make a remarkable impact for our clients. We do this through our regional offices (or 'Clubs') building strong relationships with our partners, so that they are always prioritised by a team within close proximity. This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,300 people with Clubs all over the UK, Europe and the USA with plans for global expansion in the next couple...
Contract Spy
May 18, 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
May 15, 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
May 14, 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
May 12, 2026
Duration not stated
Senior Python Engineer at Mindera, London/Remote, £Competitive Day Rate (Outside IR35)
Contract Spy Hybrid (London, UK)
We are hiring a Senior AI Engineer to join a team responsible for recommendation systems across web and mobile, working on a key AI-driven product, the AI Stylist. This is a production-focused role. The AI Stylist is already live to customers and expected to scale significantly, with a large backlog of enhancements and increasing demand. This is a hybrid position where 3 days per week are expected onsite in central London.   About the Role You will join the Recommendations team, contributing to the AI Stylist experience, an AI-powered product that combines conversational interfaces with recommendation capabilities. The work sits at the intersection of engineering and AI, focused on improving relevance, quality, and reliability in a live, customer-facing system. You will collaborate closely with engineers, data scientists, and product stakeholders to evolve the system and support its rapid growth.   What You’ll Be Doing...
Contract Spy
May 11, 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
May 08, 2026
up to 6 Months
Front End Developer at ReactWise, Cambridge/Remote, 3 Months, £Contract Rate
Contract Spy Hybrid (Cambridge, 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
May 07, 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
May 05, 2026
Duration not stated
Frontend Developer at SiXworks, Farnborough/Remote, £Contractor Rate
Contract Spy Hybrid (Farnborough, UK)
Frontend Developer (Contractor) Work on Technology That Protects What Matters At SiXworks, we build secure digital solutions that support Defence and National Security missions. Our teams work on complex problems where reliability, security, and speed of innovation matter.   We’re looking for a Frontend Developer who enjoys solving difficult technical challenges and wants their work to have real operational impact.   What You’ll Do As a Frontend Developer, you’ll help design, build, and deliver secure digital solutions in highly secure environments. You’ll work alongside engineers, architects, and delivery specialists to develop technology that enables faster, safer decision-making for critical operations.   Your work may include: Collaborate with the development team to design, develop, and maintain software solutions.  Develop responsive and interactive user interfaces (e.g....
Contract Spy
May 05, 2026
Duration not stated
Senior Python Engineer at Mindera, London/Remote, £Competitive Day Rate (Outside IR35)
Contract Spy Hybrid (London, UK)
Senior Python Engineer - Contract - Outside IR35 We are hiring a Senior AI Engineer to join a team responsible for recommendation systems across web and mobile, working on a key AI-driven product, the AI Stylist. This is a production-focused role. The AI Stylist is already live to customers and expected to scale significantly, with a large backlog of enhancements and increasing demand. This is a hybrid position where 3 days per week are expected onsite in central London.   About the Role You will join the Recommendations team, contributing to the AI Stylist experience, an AI-powered product that combines conversational interfaces with recommendation capabilities. The work sits at the intersection of engineering and AI, focused on improving relevance, quality, and reliability in a live, customer-facing system. You will collaborate closely with engineers, data scientists, and product stakeholders to evolve the system and support its rapid growth....
Contract Spy
May 01, 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 29, 2026
Duration not stated
Cloud Operations Engineer at Finova, Cheltenham/Remote, 3 Months, £Contract Rate
Contract Spy Hybrid (Cheltenham, UK)
Cloud Operations Engineer (3-month contract) Cloud Operations Engineer (3 month contract) - (Cheltenham/Hybrid) About Finova Finova is the UK’s largest mortgage and savings technology provider, powering one in every five mortgages across the country. Our agile, cloud-native solutions help over 60 banks, building societies, specialist lenders and equity release providers — plus a network of 2,400+ brokers — stay ahead of the market. We offer a flexible, proven suite of software that covers the full customer journey — from mortgage and savings origination to servicing and CRM. Backed by an open architecture and a team with deep industry expertise, our platform is built to scale. Today, we process over £50 billion in loans each year, manage nearly £50 billion in savings, and support the digital servicing of more than 650,000 UK borrower accounts. For Lenders Finova offers a flexible, modular technology suite designed to...
Contract Spy
Apr 29, 2026
6 Months or more
Senior AWS DevOps Engineer at Department for Work & Pensions, UK Office/Remote, 12 Months, £Contract Rate
Contract Spy Hybrid (UK)
Purpose An experienced and motivated Senior DevOps Engineer is required to design, build, test and deploy cloud-based infrastructure and applications using CI/CD and Infrastructure as Code.   The role includes design, build, day-to-day operational support, monitoring, troubleshooting, and resolution of technical issues, supporting the team to meet delivery objectives in a reliable and scalable manner. Responsibilities Design, build and operate scalable AWS cloud environments Implement and maintain CI/CD pipelines using GitLab Support teams in delivering secure and reliable applications Monitor systems, investigate incidents, and perform root cause analysis Define and enforce engineering standards, best practices, and reusable patterns Contribute to architectural decisions across infrastructure and platform design   Technical Skills GitLab CI/CD pipelines Terraform Kubernetes   Essential Experience...
Contract Spy
Apr 29, 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...
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