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17 web application engineer jobs found

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6 Months or more web application engineer Greater London
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Contract Spy
Oct 21, 2026
6 Months or more
AI Engineer at Handelsbanken Plc, London, 12 Months, £Day Rate
Contract Spy London, UK
Posted 1 hour ago  Contract  Competitive     AI Engineer - 12 Month Day Rate Contract Job Introduction Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank's decentralised way of working, delivering systems built for stability, trust, and long-term value. We are on a multi-year technology and digital transformation journey to enhance customer experience and improve how colleagues work together. By modernising platforms, simplifying processes, and better connecting data and systems, we help relationship teams focus on customers and less on complexity. Our decentralised culture extends to technology. Teams are trusted to take ownership, make informed decisions, and deliver sustainable, high-quality solutions. We value engineering excellence, pragmatic problem-solving, and strong collaboration across technology, business, and...
Contract Spy
Oct 20, 2026
6 Months or more
Network Security Consultant at OpticoreIT, London, 6 Months initial, £Contract Rate
Contract Spy London, England, United Kingdom
Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more. Opticore IT are currently searching for a Network Security Engineer who is confident working with Fortigate to join the team for an initial 6 month contract inside IR35 with scope to extend. This opportunity will require 2 days per week in Central London. Lead the design, business agreement and hands on delivery of a new firewall governance framework for the bank, acting as design authority while reviewing and remediating a Cisco FTD and FortiGate estate of around 4,000 rules so that every rule has a clear owner, purpose and review date, and laying the foundation for Firewall Policy as Code. What you'll be doing: Review the bank's current firewall policies, AlgoSec reports, Ivanti...
Contract Spy
Oct 20, 2026
6 Months or more
Senior Mobile QA Engineer at Waracle, London/Remote, 6 Months initial, £Contract Rate
Contract Spy Hybrid (London, UK)
Waracle are looking for a Senior QA for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.   This is a Hybrid role working from our London office 2 days a week and is available on a Contract (Inside IR35) basis, initially for 6 months. Are you a technical quality specialist who thrives on collaboration, engineering rigor, and robust automation? We are looking for a Senior Quality Engineer who combines strong software engineering discipline with deep test automation expertise to deliver...
Contract Spy
Oct 20, 2026
6 Months or more
Program & Product Management (SOC) at Deloitte, London, 12 Months (November Start), £Competitive Day Rate
Contract Spy London, UK
Job Title: Program & Product Management Location: London/Belfast Duration: 12 months Contract Start Date: November 2026 or asap 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.   Skills: BFT CyberTech: BRD process management. Strong programme mgmt skills for detecting engineering lifecycle management for SOC use cases This role requires a senior Programme Manager with deep experience leading detection engineering lifecycle management for Security Operations Center (SOC) environments,...
Contract Spy
Oct 20, 2026
6 Months or more
Software & DevOps Engineer at Deloitte, London/Remote, 12 Months, £Competitive Day Rate
Contract Spy Remote (London, UK)
Job Title: Software & DevOps Engineer Location: London Hybrid Duration: 12 months Contract Start Date: November, ASAP 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 This role requires a senior software engineer specializing in Java and JavaScript development to design, build, and secure enterprise-level applications and platforms. The consultant will be a key figure in enhancing software supply chain security and driving the adoption of secure development practices across the software...
Contract Spy
Oct 15, 2026
6 Months or more
AI Engineer at Handelsbanken Plc, London, 12 Months, £Day Rate
Contract Spy London, UK
AI Engineer - 12 Month Day Rate Contract Job Introduction Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank's decentralised way of working, delivering systems built for stability, trust, and long-term value. We are on a multi-year technology and digital transformation journey to enhance customer experience and improve how colleagues work together. By modernising platforms, simplifying processes, and better connecting data and systems, we help relationship teams focus on customers and less on complexity. Our decentralised culture extends to technology. Teams are trusted to take ownership, make informed decisions, and deliver sustainable, high-quality solutions. We value engineering excellence, pragmatic problem-solving, and strong collaboration across technology, business, and risk. We offer technologists the opportunity to build lasting careers, deepen their...
Contract Spy
Oct 15, 2026
6 Months or more
Senior Data Engineer - Snowflake at NetStone Global Ltd, London, 6 Months, £Contract Rate
Contract Spy London, UK
Senior Data Engineer - Snowflake Experience: 10+ Years Job Type: Contract Job Overview We are seeking an experienced Senior Data Engineer - Snowflake with a strong background in designing, developing and optimising scalable data engineering solutions. The ideal candidate will have extensive experience in Snowflake, SQL, Python, ETL/ELT pipelines and cloud-based data platforms. Key Responsibilities Design, develop and maintain scalable data pipelines and data warehouse solutions using Snowflake. Build and optimise ETL/ELT processes to support business intelligence, analytics and reporting. Develop data models, data marts and reusable data products for downstream applications. Integrate Snowflake with cloud platforms, APIs and enterprise data sources. Implement performance tuning, query optimisation and data quality improvements. Ensure data governance, security and compliance with enterprise standards. Collaborate with architects, analysts...
Contract Spy
Oct 15, 2026
6 Months or more
Python AI Engineer at Deloitte, London, 6 Months, £Competitive Day Rate
Contract Spy London, UK
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 Successful candidate will develop modular Python services across question planning, AI workflow orchestration, information retrieval, evidence processing, LLM integration, response generation and validation. You will work collaboratively with engineering, data, platform and evaluation specialists to translate AI concepts and experiments into reliable, scalable and maintainable production services. This is a hands-on software engineering role requiring strong production Python experience and practical delivery of Generative AI...
Contract Spy
Oct 14, 2026
6 Months or more
Python Software Engineer at WWT, London/Remote, 12 Months, to £700 per day
£600 - £700 per day
Contract Spy Hybrid (London, UK)
World Wide Technology (WWT), a 36-year-old global technology integrator and IT solutions provider. Through our culture of innovation, we inspire, build, and deliver business results from idea to outcome. World Wide Technology (WWT) has an opportunity for a Python Software Engineer to join a team building configuration management software for a large-scale private cloud platform within a leading financial services organisation. This is a hands-on development role, not an SRE or infrastructure automation position you'll help re-architect existing software as the platform evolves toward a zoned, enclave-based network model, while keeping performance and reliability intact.   This is a contract Role & Inside IR35   Python Software Engineer Contract Duration: 12 months Location: London or Glasgow (3 days per week in office)   Key Responsibilities Build and maintain production-grade Python applications. Re-architect software to...
Contract Spy
Oct 13, 2026
6 Months or more
Senior QA Engineer at Waracle, London/Remote, 6 Months initial, £Contract Rate
Contract Spy Hybrid (London, UK)
Waracle is looking for a  Senior QA Engineer  to join our world-class digital technology consultancy. We are home to a diverse, smart, curious, and ambitious community of specialists in technology-driven transformation. We partner with ambitious clients to help them solve their biggest business and customer challenges. Together, we innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design, and delivery to operations. This role is available on  Contract (Inside IR35)  bases, initially for 6 months. If you love collaborating with multi-disciplinary teams and designing smart automation strategies we would love to hear from you! We champion modern, balanced working and offer a  hybrid setup , asking you to collaborate in person  2 days a week  from either our  Glasgow, Edinburgh, London or Dundee...
Contract Spy
Oct 13, 2026
6 Months or more
Senior Mobile QA Engineer at Waracle, London/Remote, 6 Months initial, £Contract Rate
Contract Spy Hybrid (London, UK)
Waracle are looking for a Senior QA for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.   This is a Hybrid role working from our London office 2 days a week and is available on a Contract (Inside IR35) basis, initially for 6 months. Are you a technical quality specialist who thrives on collaboration, engineering rigor, and robust automation? We are looking for a Senior Quality Engineer who combines strong software engineering discipline with deep test automation expertise to deliver...
Contract Spy
Oct 13, 2026
6 Months or more
Software & DevOps Engineer at Deloitte, London/Remote, 12 Months, £Competitive Day Rate
Contract Spy Hybrid (London, UK)
Contract - Software & DevOps Engineer Job Type Contract Date published 12-Oct-2026 Req # 25464 Job description Job Title: Software & DevOps Engineer Location: London Hybrid Duration: 12 months Contract Start Date: November, ASAP 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 This role requires a senior software engineer specializing in Java and JavaScript development to design, build, and secure...
Contract Spy
Oct 13, 2026
6 Months or more
Program & Product Management (SOC) at Deloitte, London, 12 Months (November Start), £Competitive Day Rate
Contract Spy London, UK
Contract - Program & Product Management Job Type Contract Date published 12-Oct-2026 Req # 25465 Job description Job Title: Program & Product Management Location: London/Belfast Duration: 12 months Contract Start Date: November 2026 or asap 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.   Skills: BFT CyberTech: BRD process management. Strong programme mgmt skills for detecting engineering lifecycle...
Contract Spy
Oct 12, 2026
6 Months or more
AI Engineer at Handelsbanken Plc, London, 12 Months, £Day Rate
Contract Spy London, UK
AI Engineer - 12 Month Day Rate Contract Job Introduction Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank's decentralised way of working, delivering systems built for stability, trust, and long-term value. We are on a multi-year technology and digital transformation journey to enhance customer experience and improve how colleagues work together. By modernising platforms, simplifying processes, and better connecting data and systems, we help relationship teams focus on customers and less on complexity. Our decentralised culture extends to technology. Teams are trusted to take ownership, make informed decisions, and deliver sustainable, high-quality solutions. We value engineering excellence, pragmatic problem-solving, and strong collaboration across technology, business, and risk. We offer technologists the opportunity to build lasting careers,...
Contract Spy
Oct 08, 2026
6 Months or more
AI Engineer at Aviva, London/Remote, 6 Months, £Contract Rate
Contract Spy London Area, United Kingdom
AI Engineer Location: London, UK Wide (50% Remote) Inside / Outside IR35: Inside IR35 Duration: 6 Month Contract A bit about the job   We are looking for an experienced AI Engineer to design, build, deploy and operate AI solutions that deliver measurable business value across Aviva.   This is a hands-on engineering role where you’ll own the end-to-end AI lifecycle — from understanding and framing a business problem, through solution design and development, to production deployment, monitoring and continuous improvement.   You’ll work across both traditional machine learning and generative AI, making informed decisions about the right approach for each use case. This could include developing ML models, building LLM-powered features, designing retrieval and prompt pipelines, or combining different AI approaches to deliver the best outcome.   Working as part of a multidisciplinary product or AI...
Contract Spy
Oct 08, 2026
6 Months or more
Python AI Engineer at Deloitte, London, 6 Months, £Competitive Day Rate
Contract Spy London, UK
Job Title: Python AI Engineer Location: London Duration: 6 months Contract Start Date: 12 October 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 Successful candidate will develop modular Python services across question planning, AI workflow orchestration, information retrieval, evidence processing, LLM integration, response generation and validation. You will work collaboratively with engineering, data, platform and evaluation specialists to translate AI concepts and experiments into...
Contract Spy
Oct 07, 2026
6 Months or more
Build Engineer (OpenShift, Kubernetes etc) at WWT EMEA UK LIMITED, City of London/Remote, 6 Months, £Contract Rate (Outside IR35)
Contract Spy Hybrid (City of London, London, UK)
World Wide Technology (WWT)  is a global technology integrator and supply chain solutions provider.  Through our culture of innovation, we inspire, build, and deliver business results from idea to outcome. World Wide Technology (WWT) is looking for an experienced Build Engineer to deploy and scale on-premises Red Hat OpenShift and Wind River platforms. The role involves building and automating bare-metal Kubernetes clusters, supporting customer testing and acceptance, maintaining deployment documentation, and enabling operational handover The ideal candidate will have strong hands-on experience with OpenShift, Kubernetes, automation, Zero Touch Provisioning (ZTP), and datacenter infrastructure. This is a contract Role & Outside IR35...
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