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102 lead developer jobs found

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lead developer Greater London
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Contract Spy
Nov 28, 2025
6 Months or more
Lead Java Developer - Fixed Income at Fentexa, London/Remote, 12 Months, £Good Day Rates
Contract Spy London Area, United Kingdom
Role Lead Java Developer Fixed Income Position Contract 12 months extendable Location London Hybrid Rates Good Day Rates   Job Description: We are seeking a talented Senior hands-on Java Developer to join our core Fixed Income team in a lead role. In this role you will help design, develop, and implement our applications to support front office and operations groups. You will work cross-functionally with various stakeholders, trading teams, and technology departments to ensure our applications are running at optimal performance. You will take a hands-on approach to understanding business workflows and the products we work with. You will help re-engineer and modernize our platform and drive our migration to a scalable microservice, cloud-based architecture.   Responsibilities: As a development lead, will be responsible to Build, design, Trading Channels, Messaging Channels interfacing with other venues an exchanges using industry...
Contract Spy
Nov 28, 2025
Duration not stated
Adobe Commerce Technical Architect at VML Enterprise Solutions, London, £Contract Rate
Contract Spy London, UK
Who We Are: At VML, we are a beacon of innovation and growth in an ever-evolving world. Our heritage is built upon a century of combined expertise, where creativity meets technology, and diverse perspectives ignite inspiration. With the merger of VMLY&R and Wunderman Thompson, we have forged a new path as a growth partner that is part creative agency, part consultancy, and part technology powerhouse. Our global family now encompasses over 30,000 employees across 150+ offices in 64 markets, each contributing to a culture that values connection, belonging, and the power of differences. Our expertise spans the entire customer journey, offering deep insights in communications, commerce, consultancy, CRM, CX, data, production, and technology. We deliver end-to-end solutions that result in revolutionary work. Adobe Commerce Technical Architect Adobe Commerce Technical Architect wanted on a contract basis. The successful candidate will be required to lead...
Contract Spy
Nov 21, 2025
Duration not stated
Adobe Commerce Technical Architect at VML Enterprise Solutions, London, £Contract Rate
Contract Spy London, UK
Who We Are: At VML, we are a beacon of innovation and growth in an ever-evolving world. Our heritage is built upon a century of combined expertise, where creativity meets technology, and diverse perspectives ignite inspiration. With the merger of VMLY&R and Wunderman Thompson, we have forged a new path as a growth partner that is part creative agency, part consultancy, and part technology powerhouse. Our global family now encompasses over 30,000 employees across 150+ offices in 64 markets, each contributing to a culture that values connection, belonging, and the power of differences. Our expertise spans the entire customer journey, offering deep insights in communications, commerce, consultancy, CRM, CX, data, production, and technology. We deliver end-to-end solutions that result in revolutionary work. Adobe Commerce Technical Architect Adobe Commerce Technical Architect wanted on a contract basis. The successful candidate will be required to lead...
Contract Spy
Dec 12, 2025
Duration not stated
Senior Power BI Consultant/Developer at Emagine Consulting, London, £600-£650 per day
£600 - £650 per day
Contract Spy London, UK
We are currently looking for a Senior Power BI consultant/developer to build, lead, and own a new reporting capability within the Operations/IT function. This is a high-autonomy, hands-on role that combines BI development, operational analysis, system support, and technical problem-solving Senior Power BI Consultant/Developer- Banking Operations (Reconciliations / Controls) £600- £650pd London - (Hybrid) x2 Days on-site emagine is a high-end professional services consultancy and solutions firm specializing in providing business and technology services to the financial services sector. We power progress, solve challenges, and deliver real results through tailored high-end consulting services and solutions. We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication to delivering the optimal service for our clients. Our commitment is not just towards...
Contract Spy
Dec 12, 2025
6 Months or more
Java Developer at Handelsbanken, London, 6 Months, £Day Rate
Contract Spy London, England, United Kingdom
Job Introduction Main Responsibilities As a Java Developer (6M day rate contract) you will be joining the IT team responsible for the delivery, support and maintenance of Handelsbanken PLC’s Core Banking systems encompassing Platforming, Risk, Payments, Lending and Customer Data. As a Java Developer you will be providing expertise in the full software development life cycle. Key Responsibilities Use your initiative to work with Senior Java Development, UI/UX Development and Agile Transformation to help shape, architect and deliver greenfield/brownfield/integration applications employing best design and development practice Positively effective at systems analysis, solving technical problems and development excellence given the constraints of the Bank’s environment Follow cross-functional development best practice, including but not restricted to, Functional and Non-Functional Analysis, Application Architecture, Design, Coding and Unit Testing,...
Contract Spy
Dec 12, 2025
up to 6 Months
Software Engineer, Device Integrations at Automata, London, 4 Months+, £Contract Rate
Contract Spy London, England, United Kingdom
Staff Software Engineer – Robotics & Life Sciences Automation Location: London, UK - Hybrid (3 days/week on site) Contract: 4 months with possibility of extension Start: ASAP (Dec 2025 / Jan 2026) Automata: accelerating breakthroughs that save lives Automata builds automation that accelerates life sciences: enabling faster drug discovery, next-generation personalised medicines, and high-precision diagnostics where turnaround time can mean the difference between life and death. We believe the future of biology depends on automation that is reliable, scalable and accessible — and we’re building the platform that makes that possible. Our modular lab bench and digital automation platform already run mission-critical workflows in leading research organisations. The next evolution of our product will scale globally, unify robotics with reproducible software interfaces, and redefine how scientists interact with instruments. And we’re building...
Contract Spy
Dec 09, 2025
up to 6 Months
Full Stack Engineer - SC Cleared at Ministry of Justice, Remote, 3 Months, £Contract Rate
Contract Spy Remote (London, UK)
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 Ministry of Justice (MoJ) priorities include improving public safety and reducing reoffending by reforming prisons, probation and youth justice, and building a justice system which makes access to justice swifter and more certain for all citizens whatever their background. Project professionals in the MoJ help to improve the government's ability to protect the public and reduce reoffending, and to provide a more effective, transparent and responsive criminal justice system for victims and the public.   As a  Full Stack Engineer , your main responsibilities will be:...
Contract Spy
Dec 09, 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 08, 2025
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
Dec 08, 2025
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
Dec 02, 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 01, 2025
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
Dec 01, 2025
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
Nov 25, 2025
Duration not stated
AWS DevOps Engineer at Scrumconnect Consulting, London, £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
Nov 24, 2025
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
Nov 24, 2025
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
Nov 19, 2025
6 Months or more
Senior KDB Developer at Deloitte, London/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
  Job Title: Senior KDB Developer (contract) Location: London or Bournemouth, Hybrid Duration: 6 months Contract Start Date: ASAP November 2025   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 Deloitte is seeking highly skilled and experienced Senior KDB+ Developers for a unique opportunity to be embedded within a critical, high-impact engagement at a leading Tier 1 US-headquartered global investment bank. You will play a pivotal role in designing, developing, and optimising cutting-edge KDB+ solutions that...
Contract Spy
Nov 18, 2025
Duration not stated
AWS DevOps Engineer at Scrumconnect Consulting, London, £400-£500 per day (Outside IR35)
£400 - £500 per day
Contract Spy London EC1A, UK
Job Information Date Opened 17/11/2025 Job Type Contract Work Experience 5+ years Industry Government & Public Sector Salary 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...
Contract Spy
Nov 17, 2025
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
Nov 17, 2025
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...
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