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40 web application engineer jobs found

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web application engineer £400 - £500
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Contract Spy
Jan 06, 2026
6 Months or more
Embedded Software Engineer at PentenAmio UK, Tewkesbury, 6 Months, £300-£650 per day
£300 - £650 per day
Contract Spy Tewkesbury GL20, UK
Location: Tewkesbury (Hybrid) Work Type: Contract (6 month) Salary: £300 - £650 PD (Inside IR35) Clearance Required: SC About PentenAmio PentenAmio is a leading provider of advanced digital security solutions that power national security and resilience across the UK, Australia and our allies. Focused on solving complex digital challenges that others avoid, we embrace the impossible to deliver transformative technologies that protect those who protect us. Across the UK and Australia, PentenAmio combines a legacy of knowledge and proven delivery across secure mobility and AI-driven deception technologies. Our work spans Government and Defence markets across civil and military applications, powering intelligent advantage on a global scale. Typical Activities Working in collaboration with internal stakeholders across Engineering, Product, and Technical Leadership, the Embedded Software Engineer will design, develop and deliver robust embedded software...
Contract Spy
Jan 02, 2026
Duration not stated
Frontend Engineer at Gendo, London, £400-£650 per day
£400 - £650 per day
Contract Spy London, UK
About Gendo Gendo is a revolutionary, browser-based AI platform designed to empower architects and designers to generate accurate, high-quality visual representations of their designs in seconds, not days - a huge improvement on existing workflows. Within just 12 months of launching, we have 62,000+ architects and designers using Gendo to produce visualizations 100x faster than traditional workflows. We pride ourselves on being a lean, focussed and efficient team formed of highly talented individuals. This, and our product driven mantra, led to us securing both substantial pre-seed-stage and seed-stage funding from renowned investors within the space, enabling us to expand our team and deliver on our ambitious vision. What we value At Gendo, design is our core mission. We believe in the power of tools to elevate creative expression and push the boundaries of architectural possibility. We don't build in a vacuum. We have refined our technology in direct...
Contract Spy
Dec 29, 2025
6 Months or more
Embedded Software Engineer at PentenAmio UK, Tewkesbury, 6 Months, £300-£650 per day
£300 - £650 per day
Contract Spy Tewkesbury GL20, UK
Location: Tewkesbury (Hybrid) Work Type: Contract (6 month) Salary: £300 - £650 PD (Inside IR35) Clearance Required: SC About PentenAmio PentenAmio is a leading provider of advanced digital security solutions that power national security and resilience across the UK, Australia and our allies. Focused on solving complex digital challenges that others avoid, we embrace the impossible to deliver transformative technologies that protect those who protect us. Across the UK and Australia, PentenAmio combines a legacy of knowledge and proven delivery across secure mobility and AI-driven deception technologies. Our work spans Government and Defence markets across civil and military applications, powering intelligent advantage on a global scale. Typical Activities Working in collaboration with internal stakeholders across Engineering, Product, and Technical Leadership, the Embedded Software Engineer will design, develop and deliver robust embedded software...
Contract Spy
Dec 23, 2025
Duration not stated
Frontend Engineer at Gendo, London, £400-£650 per day
£400 - £650 per day
Contract Spy London, UK
About Gendo Gendo is a revolutionary, browser-based AI platform designed to empower architects and designers to generate accurate, high-quality visual representations of their designs in seconds, not days - a huge improvement on existing workflows. Within just 12 months of launching, we have 62,000+ architects and designers using Gendo to produce visualizations 100x faster than traditional workflows. We pride ourselves on being a lean, focussed and efficient team formed of highly talented individuals. This, and our product driven mantra, led to us securing both substantial pre-seed-stage and seed-stage funding from renowned investors within the space, enabling us to expand our team and deliver on our ambitious vision. What we value At Gendo, design is our core mission. We believe in the power of tools to elevate creative expression and push the boundaries of architectural possibility. We don't build in a vacuum. We have refined our technology in direct...
Contract Spy
Dec 18, 2025
6 Months or more
Embedded Software Engineer at PentenAmio UK, Tewkesbury, 6 Months, £300-£650 per day
£300 - £650 per day
Contract Spy Tewkesbury GL20, UK
Location: Tewkesbury (Hybrid) Work Type: Contract (6 month) Salary: £300 - £650 PD (Inside IR35) Clearance Required: SC About PentenAmio PentenAmio is a leading provider of advanced digital security solutions that power national security and resilience across the UK, Australia and our allies. Focused on solving complex digital challenges that others avoid, we embrace the impossible to deliver transformative technologies that protect those who protect us. Across the UK and Australia, PentenAmio combines a legacy of knowledge and proven delivery across secure mobility and AI-driven deception technologies. Our work spans Government and Defence markets across civil and military applications, powering intelligent advantage on a global scale. Typical Activities Working in collaboration with internal stakeholders across Engineering, Product, and Technical Leadership, the Embedded Software Engineer will design, develop and deliver robust embedded software...
Contract Spy
Dec 16, 2025
Duration not stated
Frontend Engineer at Gendo, London, £400-£650 per day
£400 - £650 per day
Contract Spy London, UK
About Gendo Gendo is a revolutionary, browser-based AI platform designed to empower architects and designers to generate accurate, high-quality visual representations of their designs in seconds, not days - a huge improvement on existing workflows. Within just 12 months of launching, we have 62,000+ architects and designers using Gendo to produce visualizations 100x faster than traditional workflows. We pride ourselves on being a lean, focussed and efficient team formed of highly talented individuals. This, and our product driven mantra, led to us securing both substantial pre-seed-stage and seed-stage funding from renowned investors within the space, enabling us to expand our team and deliver on our ambitious vision. What we value At Gendo, design is our core mission. We believe in the power of tools to elevate creative expression and push the boundaries of architectural possibility. We don't build in a vacuum. We have refined our technology in direct...
Contract Spy
Dec 09, 2025
Duration not stated
Frontend Engineer at Gendo, London, £400-£650 per day
£400 - £650 per day
Contract Spy London, UK
About Gendo Gendo is a revolutionary, browser-based AI platform designed to empower architects and designers to generate accurate, high-quality visual representations of their designs in seconds, not days - a huge improvement on existing workflows. Within just 12 months of launching, we have 62,000+ architects and designers using Gendo to produce visualizations 100x faster than traditional workflows. We pride ourselves on being a lean, focussed and efficient team formed of highly talented individuals. This, and our product driven mantra, led to us securing both substantial pre-seed-stage and seed-stage funding from renowned investors within the space, enabling us to expand our team and deliver on our ambitious vision. What we value At Gendo, design is our core mission. We believe in the power of tools to elevate creative expression and push the boundaries of architectural possibility. We don't build in a vacuum. We have refined our technology in direct...
Contract Spy
Jan 05, 2026
Duration not stated
Senior Solidity Engineer at Test Yantra Software Solutions Private Limited, London, £400 per day
£400 per day
Contract Spy 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 instruments and systems. Bonus...
Contract Spy
Jan 02, 2026
Duration not stated
Senior Analytics Engineer (SC Cleared) at Scrumconnect Consulting, London, £350-£400 per day (Outside IR35)
£350 - £400 per day
Contract Spy London, UK
350 - 400 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description   This is a hybrid role requiring travel once per fortnight to the Staines office and once per fortnight to London , aligned with client and team collaboration needs.   About Scrumconnect Consulting Scrumconnect Consulting is a digital and data consultancy delivering high‑quality technology, analytics, and transformation services to public and private sector clients. We work closely with government departments and complex organisations to design and deliver scalable, ethical, and impactful data solutions.   Role Overview As a Senior Analytics Engineer , you will play a critical role in designing, building, and maintaining high‑quality data models that enable analytics, reporting, and data‑driven decision‑making. You will work closely with...
Contract Spy
Jan 02, 2026
Duration not stated
AWS DevOps Engineer at Scrumconnect Consulting, London EC1A, £400-£500 per day (Outside IR35)
£400 - £500 per day
Contract Spy London EC1A, UK
400 - 500 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description   About Scrumconnect Consulting:   Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. With a strong commitment to user-centred design and agile delivery, and more to deliver innovative digital services that matter   Preferred Tech Stack Expertise Cloud Infrastructure : AWS (EKS, RDS, Aurora, ElastiCache, Kafka, IAM) Secure Hosting : Experience working with air-gapped or government-secure environments Container & Cluster Management : Docker, Kubernetes, Rancher, Jenkins, Helm Monitoring & Observability :...
Contract Spy
Dec 31, 2025
Duration not stated
DV Application Support Engineer at TwinStream, Cheltenham, £500-£600 per day (Outside IR35)
£500 - £600 per day
Contract Spy Cheltenham, UK
Who are we: In 2019, our founders were working as engineers solving complex cross domain problems within government organisations TwinStream was formed to consolidate their collective expertise and experience into one business, providing technical excellence and exceptional service to their clients. We have teams working both on-site with clients and remotely from home.   Details : Employment: Contract (outside of IR35) Rate: £500 - £600 Security Level: Must have live DV- clearance Location: 5 days in either Cheltenham   About the role: Successful candidates will be working as part of an on-site team to maintain and support a managed cross-domain service using a wide range of technology, platforms and tools. The team employ site reliability engineering tools and practices to continuously verify and improve the service.   Responsibilities: Build and Deploy code from multiple project teams:...
Contract Spy
Dec 31, 2025
up to 6 Months
Senior .Net Engineer at AND Digital, Leeds, 3 Months, £430-£530 per day
£430 - £530 per day
Contract Spy Leeds, UK
Contract Senior .Net Engineer for a 3 month contract initially £430-530 per day depending on experience. 1 day a week required on site in Leeds, with flexibility to be 2 days per week. 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 prioritised 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 1,300 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...
Contract Spy
Dec 30, 2025
Duration not stated
Data Engineer – SC Cleared at Scrumconnect Consulting, London EC1A, £350-£400 per day
£350 - £400 per day
Contract Spy London EC1A, UK
  350 - 400 GBP per day City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Consulting Scrumconnect Consulting is a multi-award-winning digital consultancy recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of more than 40 million UK citizens . We are committed to user-centred design, agile delivery, and bringing innovation to digital services that truly matter. Role Overview We are seeking an experienced Data Engineer to design, build, and maintain data products and a modern Strategic Data Platform . You will work within multi-functional Agile delivery teams, ensuring operational stability, support, and continuous enhancement of data solutions. This role is ideal for someone with strong Azure engineering experience, excellent...
Contract Spy
Dec 29, 2025
6 Months or more
Strategic Transformation Consultant at Novus - Strategy & Consulting, Leamington Spa/Remote, 6 Months, £500-£550 per day
£500 - £550 per day
Contract Spy Hybrid (Spencer St, Royal Leamington Spa, Leamington Spa CV31 3NF, UK)
About Us: Novus is a boutique consulting firm specialising in digital transformation and strategy for the home-buying industry. Our expertise includes supporting companies in leveraging digital technology, challenging the status quo, and building high-performing businesses. Our clients are at the forefront of innovation, utilising your expertise to influence major developments within the UK Home Buying Journey. You will be working on an exciting product, alongside highly skilled engineers to build and deliver an industry-groundbreaking platform. Job Summary We are seeking a Consultant to support strategic transformation programmes across the UK home-buying and mortgage ecosystem, with a specific focus on journey redesign, ecosystem alignment, data-driven innovation, and Horizontal Digital Integration (HDI). This role combines deep analytical capability with strong consulting craft, allowing you to turn complexity and ambiguity into clear strategy, compelling...
Contract Spy
Dec 24, 2025
Duration not stated
Azure Network Specialist at 345 Technology, Remote, £500 per day
£500 per day
Contract Spy Remote
Azure Network Specialist Location: Winchester, Hampshire, (UK based remote working considered) Position: Full-time, Contract Daily Rate: £500 per day About 345 Technology At 345 Technology, we pride ourselves on delivering innovative IT solutions that empower businesses to thrive in a digital world. We are currently seeking a skilled Azure Network Specialist to join our dynamic team. This role is pivotal to our continued success, providing the expertise needed to design, implement, and maintain robust Azure networking infrastructures for our clients. Role Overview As an Azure Network Specialist, you will be responsible for architecting and managing secure, scalable, and high-performance network solutions within Microsoft Azure environments. Working remotely, you will collaborate closely with Cloud Architects, security teams, and other IT professionals to ensure seamless connectivity and optimal network performance. Key...
Contract Spy
Dec 23, 2025
Duration not stated
Senior Analytics Engineer (SC Cleared) at Scrumconnect Consulting, London, £350-£400 per day (Outside IR35)
£350 - £400 per day
Contract Spy London, UK
Job Information Date Opened 22/12/2025 Job Type Contract Work Experience 5+ years Industry Government & Public Sector Salary 350 - 400 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description   This is a hybrid role requiring travel once per fortnight to the Staines office and once per fortnight to London , aligned with client and team collaboration needs.   About Scrumconnect Consulting Scrumconnect Consulting is a digital and data consultancy delivering high‑quality technology, analytics, and transformation services to public and private sector clients. We work closely with government departments and complex organisations to design and deliver scalable, ethical, and impactful data solutions.   Role Overview As a Senior Analytics Engineer , you will play a...
Contract Spy
Dec 23, 2025
Duration not stated
AWS DevOps Engineer at Scrumconnect Consulting, London EC1A, £400-£500 per day (Outside IR35)
£400 - £500 per day
Contract Spy London EC1A, UK
400 - 500 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description   About Scrumconnect Consulting:   Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. With a strong commitment to user-centred design and agile delivery, and more to deliver innovative digital services that matter   Preferred Tech Stack Expertise Cloud Infrastructure : AWS (EKS, RDS, Aurora, ElastiCache, Kafka, IAM) Secure Hosting : Experience working with air-gapped or government-secure environments Container & Cluster Management : Docker, Kubernetes, Rancher, Jenkins, Helm Monitoring & Observability :...
Contract Spy
Dec 23, 2025
6 Months or more
Network Engineer at Layer7, Cumbria, 6 Months, £500 per day
£500 per day
Contract Spy Cumbria, UK
Location: Full Onsite - Cumbria Duration: 6 months Rate: £500 per day Clearance: SC clearance. UK British Nationals only Role Overview We are seeking an experienced Network Engineer to design, configure, and maintain secure, high-performance network infrastructure within an enterprise environment. This role demands strong expertise in Cisco and Palo Alto technologies, advanced switching, and data centre networking. Key Responsibilities Configure and manage Cisco Switches, Routers, and network devices. Implement and maintain Palo Alto Firewalls and security policies. Design and configure VLANs and stretched VLANs for multi-site connectivity. Deploy and manage Cisco ACI (Application Centric Infrastructure) for data centre networking. Troubleshoot network issues and optimise performance. Ensure compliance with security standards and best practices. Collaborate with architecture and security teams to deliver robust solutions....
Contract Spy
Dec 22, 2025
Duration not stated
Java Full Stack Engineer at Quinnox Limited, The City, London, to £450 per day
£350 - £450 per day
Contract Spy City of London, London, UK
Job Description: Full Stack Engineer Contract: Inside IR 35  Duration: 3 months rolling Role Overview We are looking for a Full Stack Engineer with strong experience in React Native for mobile/front-end development and AWS-based backend systems . The ideal candidate has hands-on experience building scalable, event-driven applications using modern backend frameworks and cloud-native services. Key Responsibilities Design, develop, and maintain mobile applications using React Native Build and scale backend services using Spring Boot OR Node.js OR Python Develop and deploy cloud infrastructure on AWS , including: ECS , Lambda RDS SNS/SQS Implement event-driven architectures using Event Sourcing and/or CQRS Define and manage infrastructure using Terraform Collaborate with product, design, and DevOps teams to deliver high-quality solutions Ensure performance, security, and scalability of applications Write...
Contract Spy
Dec 22, 2025
up to 6 Months
Senior .Net Engineer at AND Digital, Leeds, 3 Months, £430-£530 per day
£430 - £530 per day
Contract Spy Leeds, UK
Contract Senior .Net Engineer for a 3 month contract initially £430-530 per day depending on experience. 1 day a week required on site in Leeds, with flexibility to be 2 days per week. 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 prioritised 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 1,300 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...
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