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39 lead technical developer jobs found

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Duration not stated lead technical developer Greater London
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Contract Spy
Oct 16, 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
Oct 15, 2026
Duration not stated
Java Developer at Scrumconnect Consulting, London E14, £400-£425 per day (Outside IR35)
£400 - £425 per day
Contract Spy London, UK
Salary £400 - £425 Outside IR35 City London Province Greater London Country United Kingdom Postal Code E14 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, we continue to build innovative digital services that truly make a difference. Role Purpose We are looking for an experienced Backend Developer to design, build, and maintain scalable, secure server-side services and APIs, while contributing to the adoption of Agentic AI capabilities within our engineering platform. The role sits at SFIA Level 4 : the individual works under general direction, uses discretion in resolving problems, plans and monitors their own...
Contract Spy
Oct 14, 2026
Duration not stated
kdb+ Contractor at Data Intellect, London/Remote, £Contractor Rate
Contract Spy Hybrid (London, UK)
  kdb+ Contractor (Capital Markets)   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...
Contract Spy
Oct 13, 2026
Duration not stated
Lead .NET Developer at Emagine Consulting, London, £650-£700 per day
£650 - £700 per day
Contract Spy Remote (London, UK)
Lead .NET Developer London £650 - £700pd Lead .NET Developer London £650 - £700pd emagine is a high-end professional services consultancy and solutions firm Specialising 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 in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a positive and equitable working environment with our consultants and colleagues which stems from our core values: Confident, Dedicated, Responsible, Genuine. The hands-on technical lead with extensive experience in .NET, React, and API management, as well as expertise in cloud and integration...
Contract Spy
Oct 09, 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
Oct 08, 2026
Duration not stated
Senior iOS Developer at ION Group, London, £Competitive Rate
Contract Spy London, UK
Senior iOS Developer, London, Contractor Lab49 is an award-winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance. We were founded in 2002 to bring Silicon Valley solutions to Wall Street's door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science. Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world's tier-one investment banks and many of the largest buy-side firms globally. Lab49 is currently looking for a Senior iOS Developer who will play a critical role on key projects for Lab49 clients. Working in a collaborative and innovative project team, with direct client-facing interactions, you will have...
Contract Spy
Oct 08, 2026
Duration not stated
Java Developer at Scrumconnect Consulting, London E14, £400-£425 per day (Outside IR35)
£400 - £425 per day
Contract Spy London, UK
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, we continue to build innovative digital services that truly make a difference. Role Purpose We are looking for an experienced Backend Developer to design, build, and maintain scalable, secure server-side services and APIs, while contributing to the adoption of Agentic AI capabilities within our engineering platform. The role sits at SFIA Level 4 : the individual works under general direction, uses discretion in resolving problems, plans and monitors their own work (and may guide junior colleagues informally), and understands how their work contributes to broader team and organisational objectives....
Contract Spy
Oct 07, 2026
Duration not stated
Lead .NET Developer at Emagine Consulting, London, £650-£700 per day
£650 - £700 per day
Contract Spy Remote (London, UK)
Lead .NET Developer London £650 - £700pd Lead .NET Developer London £650 - £700pd emagine is a high-end professional services consultancy and solutions firm Specialising 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 in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a positive and equitable working environment with our consultants and colleagues which stems from our core values: Confident, Dedicated, Responsible, Genuine. The hands-on technical lead with extensive experience in .NET, React, and API management, as well as expertise in cloud and integration...
Contract Spy
Oct 07, 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,...
Contract Spy
Oct 02, 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
Oct 01, 2026
Duration not stated
Lead .NET Developer at Emagine Consulting, London, £650-£700 per day
£650 - £700 per day
Contract Spy Remote (London, UK)
Lead .NET Developer London £650 - £700pd Lead .NET Developer London £650 - £700pd emagine is a high-end professional services consultancy and solutions firm Specialising 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 in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a positive and equitable working environment with our consultants and colleagues which stems from our core values: Confident, Dedicated, Responsible, Genuine. The hands-on technical lead with extensive experience in .NET, React, and API management, as well as expertise in cloud and integration...
Contract Spy
Oct 01, 2026
Duration not stated
Java Developer at Scrumconnect Consulting, London E14, £400-£425 per day (Outside IR35)
£400 - £425 per day
Contract Spy London, UK
Salary £400 - £425 Outside IR35 City London Province Greater London Country United Kingdom Postal Code E14 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, we continue to build innovative digital services that truly make a difference. Role Purpose We are looking for an experienced Backend Developer to design, build, and maintain scalable, secure server-side services and APIs, while contributing to the adoption of Agentic AI capabilities within our engineering platform. The role sits at SFIA Level 4 : the individual works under general direction, uses discretion in resolving problems, plans and monitors their own...
Contract Spy
Sep 30, 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,...
Contract Spy
Oct 16, 2026
Duration not stated
Senior Full Stack Developer at Deloitte, London, £Contract Rate
Contract Spy London, UK
    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....
Contract Spy
Oct 16, 2026
Duration not stated
Business Analyst - Asset Management & Data Analytics at UST, London, £Contract Rate
Contract Spy London, UK
Role description Location: London - Hybrid working with 3 days onsite required Employment Type: Fixed-Term Contract/ Contract Inside IR35 Experience :5-10 Years Role Summary We are seeking an experienced Business Analyst with a strong background in Asset Management and a passion for leveraging Data Analytics, Dashboarding, and AI-powered tools to drive business insights and operational efficiency. The ideal candidate will possess deep domain expertise in Asset Management, strong analytical and data visualization skills, hands-on experience with modern data platforms such as Snowflake, and the ability to bridge the gap between business stakeholders and technical teams. The candidate should be comfortable working in AI-enabled environments using tools such as Cortex Code, Microsoft Copilot, ChatGPT, and other GenAI solutions as part of their daily workflow. This role requires a blend of Business Analysis, Data Analysis, Reporting, Stakeholder...
Contract Spy
Oct 16, 2026
Duration not stated
Principal Salesforce Engineer at Funding Circle, London, £Contract Rate (Outside IR35)
Contract Spy London, UK
We’re on a mission to back the UK’s small businesses like no one else Small businesses are the backbone of the economy, and we’re here to help them win. We’ve built a platform that uses clever data to get them the funding they need in minutes, not weeks.   At Funding Circle, we have the restless energy of a fintech start-up with the stability of a public company. It’s a unique mix that gives Circlers the autonomy to take ownership and the scale to make an impact that truly counts.   We’re a high-performing team that chooses to lift each other up. We challenge, we champion, and we have each other’s backs - because we know that when we stand together, we move faster and build better.   The impact is real: Last year alone, the businesses on our platform generated £7.2bn for the UK economy Come and join a mission that matters! [Read our Impact Report] | [See our Trustpilot]  ...
Contract Spy
Oct 15, 2026
Duration not stated
Data Security Consultant at Billigence, London/Remote, £Contractor Rate
Contract Spy Hybrid (London, UK)
Location London, Greater London (Hybrid) Department Data Governance Employment Type Contractor Minimum Experience Senior Manager/Supervisor Who we are Billigence is a boutique data consultancy with global reach, transforming the way organisations work with data. We use proven, cutting-edge technologies to design, tailor and implement advanced Business Intelligence solutions across Cloud Data Warehousing, Visualisation, Data Science and Engineering, and Data Governance.   About the role We are looking for an experienced Data Security Consultant / Security Lead to join a client’s data security transformation programme. This is a hands-on leadership role, where you will be responsible for leading an 8-person Data Security team while also providing hands-on expertise across data security, data privacy and governance. You will work...
Contract Spy
Oct 13, 2026
Duration not stated
Cyber Business Analyst at Emagine Consulting, London, £625-£650 per day
£625 - £650 per day
Contract Spy London, UK
We are seeking a Cyber Risk Business Analyst with strong Identity & Access Management (IAM) expertise to support a high-profile programme focused on access governance, remediation, and IAM framework delivery. Cyber Risk Business Analyst (IAM) Location: London (4 days onsite) Rate: £625-650 per day (Inside IR35) emagine is a high-end professional services consultancy and solutions firm specialising in delivering business and technology services to the financial services sector. We power progress, solve complex challenges, and deliver tangible results through tailored consulting and delivery excellence. Our culture is built on openness, integrity, and strong partnerships, underpinned by our core values: Confident, Dedicated, Responsible, Genuine. We are seeking a Cyber Risk Business Analyst with strong Identity & Access Management (IAM) expertise to support a high-profile programme focused on access governance, remediation, and IAM framework delivery....
Contract Spy
Oct 13, 2026
Duration not stated
Senior Technical Business Analyst at Adaptive, London, £Contract Rate (Outside IR35)
Contract Spy London, UK
Senior Technical Business Analyst (Contractors Outside IR35) - FINTECH / LONDON WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintechs and capital market service providers. With a global reach with offices in London, New York, Manila, Barcelona and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions.   We are now looking for Technical Business Analyst services on an exciting project!     THE INDIVIDUAL/S PROVIDING THE SERVICES WILL HAVE THE FOLLOWING EXPERIENCE: Experience in QA, Software Engineering (ideally a...
Contract Spy
Oct 12, 2026
Duration not stated
ERP Technical Lead (SAP/Oracle Integration & E-Invoicing) at UST, London, Contract Rate
Contract Spy Hybrid (London, UK)
ERP Technical Lead (SAP/ Oracle Integration & E-Invoicing)_London (Contract/ Perm) ERP Technical Lead (SAP/ Oracle Integration & E-Invoicing) London (Hybrid) Start ASAP FTC / Inside IR35 Contract   We're looking for an experienced SAP/ Oracle Technical Lead to lead ERP integration and e-invoicing workstreams across a complex enterprise transformation programme. You'll work closely with ERP Leads, Project Managers, Business Teams, GPOs, and technical teams to ensure successful delivery of SAP/Oracle ERP integrations, e-invoicing solutions, and critical project milestones.   What You'll Be Doing Lead technical delivery across ERP integration and e-invoicing initiatives. Support ERP Leads and Project Managers with technical assessments and project governance. Coordinate Developers, QA, Middleware, Security, Infrastructure, and Integration teams. Manage risks, dependencies, actions, and technical deliverables....
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