126 web application engineer jobs found

DV Application Support Engineer - Contract (outside of IR35) About Us   In 2019, the founders were working as engineers solving complex cross-domain problems within government organisations.   TwinStream was formed to bring together their collective expertise and experience into a single business, focused on delivering technical excellence and high-quality service to clients.   Since then, the company has grown to over 100 team members across the UK, with colleagues working both on-site with clients,  hybrid  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   As part of our on-site team,  you'll play a key role in designing, building, configuring, and...

We are looking for a skilled and proactive QA Automation Engineer with at least 3 years of hands-on experience in QA automation testing. The successful candidate will design, develop, maintain, and improve automated test suites for assigned projects, primarily using Selenium WebDriver with Java, JUnit or TestNG, and a Page Object Model framework. This role requires ownership of end-to-end testing activities across Agile or Kanban delivery teams, including test planning, automation development, pipeline execution, defect analysis, and collaboration with development teams and stakeholders. Key Responsibilities: Design, develop, and maintain automation test scripts using Selenium WebDriver, Java, JUnit or TestNG, and the Page Object Model framework. Own and manage end-to-end automation testing activities for assigned Agile or Kanban projects. Build, enhance, and maintain reusable automation frameworks, libraries, utilities, and test data solutions. Create, execute, and...

Job description Job Title: IAM Engineer (contract) Location: London Hybrid 2-3 days a week in the London office Duration: 4 months Contract Start Date: ASAP *please note that onboarding will take 4-6 weeks from the offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for a Cloud IAM Engineer to design and deliver secure identity and access management (IAM) solutions across AWS and GCP environments. Working with security, infrastructure, service...

Senior AWS DevSecOps & Next.js Consultant – Security & Infrastructure Audit Project Overview We are seeking a highly skilled and certified AWS Cloud Security & Frontend Engineer to conduct an intensive and comprehensive security assessment, infrastructure mapping, functional review and technical documentation of our platform. The business operates on Amazon Web Services (AWS) infrastructure, with Next.js cloud-based web applications , integrated Machine Learning APIs and a MySQL backend database . The target delivery window is 1–2 weeks . Scope of Work & Key Deliverables Application & Frontend Security Assessment: Evaluate Next.js codebases, Server-Side Rendering (SSR) security, API routes and frontend security controls against recognised industry standards, including OWASP Top 10 and CIS Benchmarks . AWS Infrastructure & Database Audit: Conduct a comprehensive security assessment of our AWS environment,...

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...

We are looking for a skilled and proactive QA Automation Engineer with at least 3 years of hands-on experience in QA automation testing. The successful candidate will design, develop, maintain, and improve automated test suites for assigned projects, primarily using Selenium WebDriver with Java, JUnit or TestNG, and a Page Object Model framework. This role requires ownership of end-to-end testing activities across Agile or Kanban delivery teams, including test planning, automation development, pipeline execution, defect analysis, and collaboration with development teams and stakeholders. Key Responsibilities: Design, develop, and maintain automation test scripts using Selenium WebDriver, Java, JUnit or TestNG, and the Page Object Model framework. Own and manage end-to-end automation testing activities for assigned Agile or Kanban projects. Build, enhance, and maintain reusable automation frameworks, libraries, utilities, and test data solutions. Create, execute, and...

Job Title: IAM Engineer (contract) Location: London Hybrid 2-3 days a week in the London office Duration: 4 months Contract Start Date: ASAP *please note that onboarding will take 4-6 weeks from the offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for a Cloud IAM Engineer to design and deliver secure identity and access management (IAM) solutions across AWS and GCP environments. Working with security, infrastructure, service engineering and business application...

Please note : An active SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks.  (Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.)    The UK Health Security Agency (UKHSA) has been set up to provide health security for the nation by protecting from infectious disease and external hazards. It will need to take action like no other organisation previously in order to mitigate threats to health before they materialise. UKHSA will be a trusted source of advice to government and to the public.   We are seeking a skilled Engineer to join our Identity Access Management Team. This role will be the lead subject matter expert for Identity services related to Azure within a varied...

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...

Job Title: IAM Engineer (contract) Location: London Hybrid 2-3 days a week in the London office Duration: 4 months Contract Start Date: ASAP *please note that onboarding will take 4-6 weeks from the offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for a Cloud IAM Engineer to design and deliver secure identity and access management (IAM) solutions across AWS and GCP environments. Working with security, infrastructure, service engineering and business application...

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...

Senior DevOps (Identity Platform Engineer) We want to maximise the potential of everyone who chooses to work for us. We offer a great work life balance. You have the opportunity to work at any of our brand-new Regional Centres and to also work remotely. Contracts vary in length dependent upon the project with the possibility to extend. Your time spent with us short or long term will be invaluable - your skills and expertise are needed to deliver the largest digital and transformation projects in Government. There really couldn’t be a better time to join HMRC for your new contract opportunity! Role is for 12 months MUST HAVE AN ACTIVE SC CLEARENCE Travel to the Telford Regional Centre will be required around once a month.   We’re looking for experienced  Senior DevOps Engineers  to join HMRC’s Enterprise Cloud Services (ECS) team, working within product teams to design, build, automate and operate...

DV Site Reliability Engineer (Contract outside of IR35) About Us   In 2019, the founders were working as engineers solving complex cross-domain problems within government organisations.   TwinStream was formed to bring together their collective expertise and experience into a single business, focused on delivering technical excellence and high-quality service to clients.   Since then, the company has grown to over 100 team members across the UK, with colleagues working both on-site with clients,  hybrid  and remotely from home.     Day Rate: £500 - £650 Location: Hybrid working in Cheltenham (3-4 days) with possible 24/7 call out when on rota   Security Clearance: Must have live DV Clearance      About the role:   Our cross-domain services are used in high-profile government organisations. The demand for these services continues...

We’re looking for an EPOS & SCO Platform Engineer to build, configure, and support the in-store point of sale and self-checkout platforms across the estate. You’ll own the full lifecycle of Travel Money Kiosks, EPOS and Hospitality infrastructure, including till hardware, self-checkout units, peripherals, and backend systems—ensuring services are secure, compliant, resilient, and consistently deployed at scale. You’ll automate provisioning, configuration, updates, and monitoring so stores benefit from reliable transaction processing, seamless customer journeys, and minimal downtime. Success means stable retail operations, predictable performance, and confidence from store colleagues, product owners, and operations teams. This is a hybrid role where 3 days per week are expected on site in Bracknell. Requirements Role Responsibilities: Design, build, and maintain EPOS and SCO infrastructure (Tills, Self-Checkouts, peripherals,...

PRINCIPAL NETWORK ENGINEER (ARUBA CLEARPASS) 6 months Contract UK Remote Competitive Day Rate   Are you an Aruba specialist who thrives on solving complex networking challenges?   We're seeking an experienced Aruba specialist to lead the design and delivery of enterprise Aruba LAN, WLAN and ClearPass solutions across complex customer environments. You will be our senior technical authority for HPE Aruba wired and wireless networking and network access control (NAC), covering design, architecture and delivery across the customer estate.   The role combines deep, hands-on Aruba specialism with strong core routing and switching skills, acting as the escalation point for the most complex Aruba engagements and a key technical contributor to pre-sales, solution design and Managed Services.   The role blends senior hands-on engineering with architecture, design authority and mentoring, with weighting shifting further toward...

  Job Title: Senior Cloud Engineer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for experienced Senior Cloud Engineers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position...

  Job Title: Full Stack Developer (contract) Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This...

  Job Title: Senior Full Stack Developer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for Senior Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position...

We don't just believe in better. We make it happen. ? Better content. Better products. And better careers.? Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, Sky Stream to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky.? Team overview ?: Our vision is to enable Sky's growth ambitions though Data and AI: deepening customer relationships, optimising commercial performance, and enhancing operational efficiency. Principal Engineers operate within defined domains and provide leadership to our Solution Architects. With deep technical expertise, they act as Technical Leads, shaping future-ready frameworks that support our strategic objectives. They set, evolve, and uphold engineering standards across the team, continually raising the bar for quality, innovation,...

PLEASE NOTE: SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.   The Observability Platform team, part of Justice Digital and Data Science (JDDS) at the Ministry of Justice, is building a new, central observability platform from scratch. Our first customer is Cloud Platform, the Kubernetes-based hosting platform behind many Justice Digital services. From there, we will expand to teams across the Office of the CTO (OCTO) and wider JDDS. Today many teams run their own separate monitoring tools. We are bringing metrics, logs and traces together into one consistent, secure, UK-hosted service, so teams can understand how their services behave,...