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10 lead full stack developer jobs found in London

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London United Kingdom lead full stack developer
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6 Months or more  (4) Duration not stated  (3) up to 6 Months  (3)
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Greater London  (10) Hybrid  (1)
Contract Spy
Mar 04, 2026
Duration not stated
Release Manager at VML Enterprise Solutions, London, £Contract Rate
Contract Spy London, UK
The opportunity: An experienced Release Manager, who leads teams to follow best practices in development standards and coding reviews. You have an enthusiasm for learning new skills and initiative to deliver the best outcomes for our clients. You will be primarily responsible the management and protection of releases through, where appropriate, Build/Develop, QA, UAT, Pre-Prod and Production environments across multiple technical stacks including front ends, Middleware, core commerce platforms and more. This is a contractual role based in London. What you'll get to do: Negotiate, plan, and manage all release activities. Analyse risks and resolve issues that affect release scope, schedule, and quality. Work cohesively with external partners, suppliers, product owners, and system integrators (SI's) Develop common strategies for release governance across multiple systems Communicate release details and schedules to the Business as required. Act as guardian...
Contract Spy
Feb 24, 2026
6 Months or more
Fullstack Engineer at Mindera, London Paddington, 6 Months initial, £Contract Rate
Contract Spy London, UK
We are looking for a Staff Full-Stack Engineer to take technical ownership across backend and frontend development, shaping high-quality, scalable solutions and setting engineering standards for the team. This role combines hands-on delivery with technical leadership, mentoring, and close collaboration with product and platform teams. You will work across modern backend services built in Kotlin, rich frontend applications using React and Next.js with TypeScript, and cloud-native infrastructure on Azure or AWS.   This is an initial 6 month contract (outside iR35) that requires you onsite in London Paddington 3 days a week.   Key Responsibilities Lead the design and development of full-stack solutions, balancing backend robustness with high-quality user experiences Build and maintain backend services using Kotlin , following clean architecture and best practices Develop modern, performant frontends using React, Next.js, and TypeScript...
Contract Spy
Feb 20, 2026
up to 6 Months
AWS Security Engineer at With Intelligence, London, 3 Months initial, £Contract Rate (Outside IR35)
Contract Spy London, UK
AWS Security & Vulnerability Remediation Engineer (DevSecOps / Cloud Security) 3 month initial contract outside IR35 Role Summary We are looking to hire an AWS-focused security engineer to lead the remediation of cloud and application vulnerabilities across our AWS environment. You will work closely with Developers, Data Engineers, and our AWS Security Lead to validate findings, prioritise risk, implement fixes, and strengthen security controls. AWS security is your primary technical skill; a strong understanding of software development, DevSecOps practices, and vulnerability management is essential. Key Responsibilities Own end-to-end remediation of AWS and workload vulnerabilities: confirm findings, assess impact, prioritise actions, and track through to closure. Partner with Developers and Data Engineers to implement secure fixes in code, infrastructure, and delivery pipelines (IaC, containers, serverless, OS/packages). Work with the AWS...
Contract Spy
Feb 17, 2026
6 Months or more
Fullstack Engineer at Mindera, London Paddington, 6 Months initial, £Contract Rate
Contract Spy London, UK
We are looking for a Staff Full-Stack Engineer to take technical ownership across backend and frontend development, shaping high-quality, scalable solutions and setting engineering standards for the team. This role combines hands-on delivery with technical leadership, mentoring, and close collaboration with product and platform teams. You will work across modern backend services built in Kotlin, rich frontend applications using React and Next.js with TypeScript, and cloud-native infrastructure on Azure or AWS.   This is an initial 6 month contract (outside iR35) that requires you onsite in London Paddington 3 days a week.   Key Responsibilities Lead the design and development of full-stack solutions, balancing backend robustness with high-quality user experiences Build and maintain backend services using Kotlin , following clean architecture and best practices Develop modern, performant frontends using React, Next.js, and TypeScript...
Contract Spy
Feb 13, 2026
up to 6 Months
AWS Security Engineer at With Intelligence, London, 3 Months initial, £Contract Rate (Outside IR35)
Contract Spy London, UK
AWS Security & Vulnerability Remediation Engineer (DevSecOps / Cloud Security) 3 month initial contract outside IR35 Role Summary We are looking to hire an AWS-focused security engineer to lead the remediation of cloud and application vulnerabilities across our AWS environment. You will work closely with Developers, Data Engineers, and our AWS Security Lead to validate findings, prioritise risk, implement fixes, and strengthen security controls. AWS security is your primary technical skill; a strong understanding of software development, DevSecOps practices, and vulnerability management is essential. Key Responsibilities Own end-to-end remediation of AWS and workload vulnerabilities: confirm findings, assess impact, prioritise actions, and track through to closure. Partner with Developers and Data Engineers to implement secure fixes in code, infrastructure, and delivery pipelines (IaC, containers, serverless, OS/packages). Work with the AWS...
Contract Spy
Feb 12, 2026
Duration not stated
Senior Data Engineer at Pantheon, London, £Contract Rate
Contract Spy London Area, United Kingdom
Pantheon has been at the forefront of private markets investing for more than 40 years, earning a reputation for providing innovative solutions covering the full lifecycle of investments, from primary fund commitments to co-investments and secondary purchases, across private equity, real assets and private credit. We have partnered with more than 650 clients, including institutional investors of all sizes as well as a growing number of private wealth advisers and investors, with approximately $65bn in discretionary assets under management (as of December 31, 2023). Leveraging our specialized experience and global team of professionals across Europe, the Americas and Asia, we invest with purpose and lead with expertise to build secure financial futures. For further details please visit www.pantheon.com Purpose of Position Pantheon is undergoing a multi-year program to build out a new best in class Data Platform using cloud native technologies hosted in Azure. We require an...
Contract Spy
Feb 11, 2026
6 Months or more
Senior Cyber Threat Intelligence Analyst at GSMA, London, to end 2026, £Day Rate
Contract Spy Hybrid (London, UK)
Full job description   Department: Technology Team: Security Location: London with hybrid ways of working Position type: Day Rate Contract, until end of 2026 (via Umbrella only)   What the hiring manager says   This is a role for someone who wants to make a real, global impact in telecom security from day one. Within GSMA’s T-ISAC, you’ll sit at the centre of international collaboration, helping our members stay ahead of constantly evolving cyber threats. We’re looking for a Senior Cyber Threat Intelligence Analyst who combines deep technical expertise with the ability to think strategically, share knowledge and elevate those around them. You’ll lead meaningful threat assessments, turn intelligence into clear, actionable recommendations and play a vital role in shaping and validating our T-ISAC improvement programme.   If you thrive on working with cutting-edge intelligence platforms, enjoy...
Contract Spy
Feb 10, 2026
6 Months or more
Fullstack Engineer at Mindera, London Paddington, 6 Months initial, £Contract Rate
Contract Spy London, UK
We are looking for a Staff Full-Stack Engineer to take technical ownership across backend and frontend development, shaping high-quality, scalable solutions and setting engineering standards for the team. This role combines hands-on delivery with technical leadership, mentoring, and close collaboration with product and platform teams. You will work across modern backend services built in Kotlin, rich frontend applications using React and Next.js with TypeScript, and cloud-native infrastructure on Azure or AWS.   This is an initial 6 month contract (outside iR35) that requires you onsite in London Paddington 3 days a week.   Key Responsibilities Lead the design and development of full-stack solutions, balancing backend robustness with high-quality user experiences Build and maintain backend services using Kotlin , following clean architecture and best practices Develop modern, performant frontends using React, Next.js, and TypeScript...
Contract Spy
Feb 09, 2026
Duration not stated
Senior Data Engineer at Pantheon, London, £Contract Rate
Contract Spy London, UK
Senior Data Engineer (Temp) Pantheon has been at the forefront of private markets investing for more than 40 years, earning a reputation for providing innovative solutions covering the full lifecycle of investments, from primary fund commitments to co-investments and secondary purchases, across private equity, real assets and private credit. We have partnered with more than 650 clients, including institutional investors of all sizes as well as a growing number of private wealth advisers and investors, with approximately $65bn in discretionary assets under management (as of December 31, 2023). Leveraging our specialized experience and global team of professionals across Europe, the Americas and Asia, we invest with purpose and lead with expertise to build secure financial futures. For further details please visit www.pantheon.com Purpose of Position Pantheon is undergoing a multi-year program to build out a new best in class Data Platform using cloud...
Contract Spy
Feb 06, 2026
up to 6 Months
AWS Security Engineer at With Intelligence, London, 3 Months initial, £Contract Rate (Outside IR35)
Contract Spy London, UK
AWS Security & Vulnerability Remediation Engineer (DevSecOps / Cloud Security) 3 month initial contract outside IR35 Role Summary We are looking to hire an AWS-focused security engineer to lead the remediation of cloud and application vulnerabilities across our AWS environment. You will work closely with Developers, Data Engineers, and our AWS Security Lead to validate findings, prioritise risk, implement fixes, and strengthen security controls. AWS security is your primary technical skill; a strong understanding of software development, DevSecOps practices, and vulnerability management is essential. Key Responsibilities Own end-to-end remediation of AWS and workload vulnerabilities: confirm findings, assess impact, prioritise actions, and track through to closure. Partner with Developers and Data Engineers to implement secure fixes in code, infrastructure, and delivery pipelines (IaC, containers, serverless, OS/packages). Work with the AWS...
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