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86 lead developer jobs found

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Contract Spy
Jun 24, 2026
Duration not stated
Salesforce Technical Architect (12m Day Rate Contractor) at Handelsbanken, London, £Contract Rate
Contract Spy London, England, United Kingdom
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 expertise, and contribute to meaningful...
Contract Spy
Jun 24, 2026
Duration not stated
Junior Programme Manager (US hours) at VML Enterprise Solutions, London, £Contract Rate
Contract Spy London, UK
Junior Programme Manager with proven experience including overseeing small-scale programmes to join our team. The opportunity: You lead teams to deliver high quality, complex project(s) on budget and within a specified timeframe to achieve the potential benefits defined in the business case. You work closely with the Account Director to achieve productivity goals and contribute to the organisation's overall success. This role requires alignment with US working hours (typically 11:00 AM to 7:00 PM), with occasional flexibility needed to support client requirements. What you'll be doing: Accountable for all delivery across the programme Analyse, evaluate, and overcome programme risks, and produce accurate programme reports for management and stakeholders Maintain organisational standards of satisfaction, quality, and performance, including the creation and implementation of ways of working at the start of a programme Create and implement effective ways of...
Contract Spy
Jun 24, 2026
Duration not stated
D365 Developer at Test Yantra Software Solutions Private Limited, London, £380-£400 per day
£380 - £400 per day
Contract Spy London, UK
About the Role The Dynamics 365 Developer reports into the Complex Case Management Team DevOps Lead. The role will have a close working connection with IT teams, Partners/3rd parties, Operational Teams and Service Management. Responsibilities · Agile Practices: Integrate and support with agile based product development ceremonies such as sprint planning, standups, retrospectives and backlog grooming. · Solution Design and Development: Lead the design and development of custom solutions within Dynamics 365 and Power Platform, ensuring they meet business needs and align with best practices. · System Integration: Integrate Dynamics 365 with other systems and applications, ensuring seamless data flow and process automation. · Customization and Configuration: Customise and configure Dynamics 365 and Power Platform applications to meet specific business requirements. · Technical Leadership: Provide technical guidance and mentorship to junior developers and other team...
Contract Spy
Jun 24, 2026
Duration not stated
UI/UX Developer with GDS at Test Yantra Software Solutions Private Limited, London, £360-£400 per day
£360 - £400 per day
Contract Spy London, UK
Essential Skills & Experience: · Proven experience in UI/UX design for self-service platforms or similar digital products. · Proficiency in design tools such as Figma, Adobe XD, or Sketch. Strong knowledge of responsive design principles and web/mobile best practices. · Experience conducting user research and usability testing to drive design improvements. · Familiarity with accessibility standards (e.g., WCAG 2.1) and inclusive design principles. · Ability to work in an Agile environment, delivering iterative design solutions in collaboration with cross-functional teams. · Excellent communication skills to articulate design decisions and gather stakeholder feedback effectively Familiarity with GDS Service Standards and the Digital Service Assessment process Work with clients to design and develop digital services that are user-friendly, accessible, and compliant with GDS standards. Lead the development of service blueprints, user journeys, and wireframes. Advise...
Contract Spy
Jun 23, 2026
Duration not stated
Salesforce Admin (Day Rate Contractor) at Handelsbanken, London, £Contract Rate
Contract Spy London, England, United Kingdom
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 expertise, and contribute to meaningful...
Contract Spy
Jun 23, 2026
Duration not stated
kdb+ Contractor (Capital Markets) at Data Intellect, London, £Contractor Rate
Contract Spy London, UK
INTRODUCTION. Join the world’s largest kdb+ Consultancy where every query matters, every millisecond counts and every system you build shapes the future of data-driven finance. At  Data Intellect , we thrive on solving complex data challenges in high-stakes environments. We’re a team of engineers, problem-solvers and collaborators who believe in pushing boundaries, not egos. If you're a proficient kdb+ developer ready to lead, innovate and make an impact, we want to hear from you. Job Details. >Reference: REF208Y >Department: Time Series Data >Location: London Office >Contract Type: Contract >Experience: Mid-Senior Level >Industry: Information Technology And Services >Closing Date: 01/12/2026 Requirements. What You Bring 7+ years of hands-on kdb+ development, with deep...
Contract Spy
Jun 23, 2026
Duration not stated
Senior Security Engineer (Contract) at Orbital, London, £Contract Rate
Contract Spy London, UK
We’re on a mission to make real estate transactions smarter, faster, and friction-free. Real estate is the world’s largest asset class , yet the legal processes and tools behind it remain slow, manual, and underinvested. Lawyers must review dense documents line by line and piece together information across silos, all while clients demand faster, more transparent due diligence. That's where we come in. Orbital Copilot is the AI assistant built exclusively for commercial real estate law. Developed with former practicing real estate lawyers, it accelerates complex due diligence by up to 70% while delivering legal-grade precision. We’ve just raised a $60m Series B to accelerate our UK/US expansion. We're trusted by leading firms like Goodwin and BCLP to remove the busywork so legal teams can focus on what they do best: applying sharp legal judgment, delivering standout client service, and getting deals over the line faster....
Contract Spy
Jun 23, 2026
Duration not stated
kdb+ Contractor (Capital Markets) at Data Intellect, London, £Contract Rate
Contract Spy London, UK
Company Description Join the world’s largest kdb+ Consultancy where every query matters, every millisecond counts and every system you build shapes the future of data-driven finance. At Data Intellect , we thrive on solving complex data challenges in high-stakes environments. We’re a team of engineers, problem-solvers and collaborators who believe in pushing boundaries, not egos. If you're a proficient kdb+ developer ready to lead, innovate and make an impact, we want to hear from you. Job Description As a Senior kdb+ Engineer at [DI] you’ll be at the forefront of delivering high-performance, scalable solutions for some of the world’s most data-intensive financial institutions. You’ll: Lead technical delivery on client projects, setting the standard for quality and performance. Design and implement robust kdb+ architectures that handle billions of rows of time-series data. Collaborate with quants, traders, and analysts to...
Contract Spy
Jun 22, 2026
Duration not stated
Technical Team Lead, Contract at Xcelirate, London, £Competitive contractor rate
Contract Spy London, UK
Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a Principal-Level Engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...
Contract Spy
Jun 18, 2026
Duration not stated
Junior Programme Manager (US hours) at VML Enterprise Solutions, London, £Contract Rate
Contract Spy London, UK
Junior Programme Manager with proven experience including overseeing small-scale programmes to join our team. The opportunity: You lead teams to deliver high quality, complex project(s) on budget and within a specified timeframe to achieve the potential benefits defined in the business case. You work closely with the Account Director to achieve productivity goals and contribute to the organisation's overall success. This role requires alignment with US working hours (typically 11:00 AM to 7:00 PM), with occasional flexibility needed to support client requirements. What you'll be doing: Accountable for all delivery across the programme Analyse, evaluate, and overcome programme risks, and produce accurate programme reports for management and stakeholders Maintain organisational standards of satisfaction, quality, and performance, including the creation and implementation of ways of working at the start of a programme Create and implement effective ways of...
Contract Spy
Jun 17, 2026
Duration not stated
UI/UX Developer with GDS at Test Yantra, London, £360-£400 per day
£350 - £400 per day
Contract Spy London, UK
Essential Skills & Experience: · Proven experience in UI/UX design for self-service platforms or similar digital products. · Proficiency in design tools such as Figma, Adobe XD, or Sketch. Strong knowledge of responsive design principles and web/mobile best practices. · Experience conducting user research and usability testing to drive design improvements. · Familiarity with accessibility standards (e.g., WCAG 2.1) and inclusive design principles. · Ability to work in an Agile environment, delivering iterative design solutions in collaboration with cross-functional teams. · Excellent communication skills to articulate design decisions and gather stakeholder feedback effectively Familiarity with GDS Service Standards and the Digital Service Assessment process Work with clients to design and develop digital services that are user-friendly, accessible, and compliant with GDS standards. Lead the development...
Contract Spy
Jun 17, 2026
Duration not stated
D365 Developer at Test Yantra, London, £380-£400 per day
£380 - £400 per day
Contract Spy London, UK
  The Dynamics 365 Developer reports into the Complex Case Management Team DevOps Lead. The role will have a close working connection with IT teams, Partners/3rd parties, Operational Teams and Service Management. Responsibilities · Agile Practices: Integrate and support with agile based product development ceremonies such as sprint planning, standups, retrospectives and backlog grooming. · Solution Design and Development: Lead the design and development of custom solutions within Dynamics 365 and Power Platform, ensuring they meet business needs and align with best practices. · System Integration: Integrate Dynamics 365 with other systems and applications, ensuring seamless data flow and process automation. · Customization and Configuration: Customise and configure Dynamics 365 and Power Platform applications to meet specific business requirements. · Technical Leadership: Provide technical guidance and...
Contract Spy
Jun 16, 2026
Duration not stated
Senior Security Engineer at Orbital, London, £Contract Rate
Contract Spy London, UK
We’re on a mission to make real estate transactions smarter, faster, and friction-free.   Real estate is the world’s largest asset class , yet the legal processes and tools behind it remain slow, manual, and underinvested. Lawyers must review dense documents line by line and piece together information across silos, all while clients demand faster, more transparent due diligence.   That's where we come in. Orbital Copilot is the AI assistant built exclusively for commercial real estate law. Developed with former practicing real estate lawyers, it accelerates complex due diligence by up to 70% while delivering legal-grade precision.   We’ve just raised a $60m Series B to accelerate our UK/US expansion.   We're trusted by leading firms like Goodwin and BCLP to remove the busywork so legal teams can focus on what they do best: applying sharp legal judgment, delivering standout client service, and getting...
Contract Spy
Jun 16, 2026
Duration not stated
kdb+ Contractor (Capital Markets) at Data Intellect, London, £Contract Rate
Contract Spy London, UK
Company Description Join the world’s largest kdb+ Consultancy where every query matters, every millisecond counts and every system you build shapes the future of data-driven finance. At Data Intellect , we thrive on solving complex data challenges in high-stakes environments. We’re a team of engineers, problem-solvers and collaborators who believe in pushing boundaries, not egos. If you're a proficient kdb+ developer ready to lead, innovate and make an impact, we want to hear from you. Job Description As a Senior kdb+ Engineer at [DI] you’ll be at the forefront of delivering high-performance, scalable solutions for some of the world’s most data-intensive financial institutions. You’ll: Lead technical delivery on client projects, setting the standard for quality and performance. Design and implement robust kdb+ architectures that handle billions of rows of time-series data. Collaborate with quants, traders, and analysts to...
Contract Spy
Jun 15, 2026
Duration not stated
Technical Team Lead, Contract at Xcelirate, London, £Competitive Contractor Rate
Contract Spy London, UK
Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a Principal-Level Engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...
Contract Spy
Jun 11, 2026
Duration not stated
QA Engineer/Test Lead - MVP Trading Platform at Wagglyn, London Area, £Contractor Rate
Contract Spy London Area, United Kingdom
Role Summary Wagglyn is looking for an experienced QA Engineer / Test Lead to work with the existing engineering team on the testing and release readiness of its MVP trading platform. This is a hands-on contract role for someone who has tested complex financial or real-time systems before. It is not a generic web QA role and not a manual-testing-only role.   Scope The contractor will help define and execute the QA process across the front end, backend services, market data, execution flows, deployment environments and operational readiness. The role involves working with engineering, product and stakeholders to make sure releases are testable, repeatable and safe to promote through UAT and production-like environments. QA here is about proving the system behaves safely when data is live, services reconnect, orders are sent, risk state changes and deployments happen.   Profile ·      Hands-on QA...
Contract Spy
Jun 10, 2026
Duration not stated
UI/UX Developer with GDS at Test Yantra, London, £360-£400 per day
£360 - £400 per day
Contract Spy London, UK
Essential Skills & Experience: · Proven experience in UI/UX design for self-service platforms or similar digital products. · Proficiency in design tools such as Figma, Adobe XD, or Sketch. Strong knowledge of responsive design principles and web/mobile best practices. · Experience conducting user research and usability testing to drive design improvements. · Familiarity with accessibility standards (e.g., WCAG 2.1) and inclusive design principles. · Ability to work in an Agile environment, delivering iterative design solutions in collaboration with cross-functional teams. · Excellent communication skills to articulate design decisions and gather stakeholder feedback effectively Familiarity with GDS Service Standards and the Digital Service Assessment process Work with clients to design and develop digital services that are user-friendly, accessible, and compliant with GDS standards. Lead the development...
Contract Spy
Jun 10, 2026
Duration not stated
D365 Developer at Test Yantra, London, £380-£400 per day
£380 - £400 per day
Contract Spy London, UK
About the Role The Dynamics 365 Developer reports into the Complex Case Management Team DevOps Lead. The role will have a close working connection with IT teams, Partners/3rd parties, Operational Teams and Service Management. Responsibilities · Agile Practices: Integrate and support with agile based product development ceremonies such as sprint planning, standups, retrospectives and backlog grooming. · Solution Design and Development: Lead the design and development of custom solutions within Dynamics 365 and Power Platform, ensuring they meet business needs and align with best practices. · System Integration: Integrate Dynamics 365 with other systems and applications, ensuring seamless data flow and process automation. · Customization and Configuration: Customise and configure Dynamics 365 and Power Platform applications to meet specific business requirements. · Technical Leadership: Provide technical...
Contract Spy
Jun 09, 2026
Duration not stated
AI Security Engineer at Orbital, London, £Contract Rate
Contract Spy London, UK
We’re on a mission to make real estate transactions smarter, faster, and friction-free.   Real estate is the world’s largest asset class , yet the legal processes and tools behind it remain slow, manual, and underinvested. Lawyers must review dense documents line by line and piece together information across silos, all while clients demand faster, more transparent due diligence.   That's where we come in. Orbital Copilot is the AI assistant built exclusively for commercial real estate law. Developed with former practicing real estate lawyers, it accelerates complex due diligence by up to 70% while delivering legal-grade precision.   We’ve just raised a $60m Series B to accelerate our UK/US expansion.   We're trusted by leading firms like Goodwin and BCLP to remove the busywork so legal teams can focus on what they do best: applying sharp legal judgment, delivering standout client service, and getting...
Contract Spy
Jun 09, 2026
Duration not stated
kdb+ Contractor (Capital Markets) at Data Intellect, London, £Contract Rate
Contract Spy London, UK
Company Description Join the world’s largest kdb+ Consultancy where every query matters, every millisecond counts and every system you build shapes the future of data-driven finance. At Data Intellect , we thrive on solving complex data challenges in high-stakes environments. We’re a team of engineers, problem-solvers and collaborators who believe in pushing boundaries, not egos. If you're a proficient kdb+ developer ready to lead, innovate and make an impact, we want to hear from you. Job Description As a Senior kdb+ Engineer at [DI] you’ll be at the forefront of delivering high-performance, scalable solutions for some of the world’s most data-intensive financial institutions. You’ll: Lead technical delivery on client projects, setting the standard for quality and performance. Design and implement robust kdb+ architectures that handle billions of rows of time-series data. Collaborate with quants, traders, and analysts to...
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