1 to 25 of 37 Lead Developer Jobs in the City of London

There are two versions of this job ad. This is the vapid version for insomniacs. For a more lighthearted read, head over to MongooseJobs dotcom. The Lead Developer will work for an ambitious software scale-up in Central London. The Lead Developer will earn £75,000 per annum. The Lead Developer will enjoy hybrid … working on a 3+2 basis. The Lead Developer will write efficient and scalable code. The Lead Developer will be experienced with PHP (Laravel/Lumen), Javascript and Typescript. The Lead Developer will be familiar with React and Python. The Lead Developer will enjoy interrogating databases (MySQL). The Lead Developer will ensure robust AWS integrations and workflows. The Lead Developer will coach and mentor a small team of engineers. The Lead Developer will be a champion for new technologies and best practice. The Lead Developer will foster a culture of software delivery excellence. The Lead Developer will work closely with senior More ❯

There are two versions of this job ad. This is the vapid version for insomniacs. For a more lighthearted read, head over to MongooseJobs dotcom. The Lead Developer will work for an ambitious software scale-up in Central London. The Lead Developer will earn £75,000 per annum. The Lead Developer will enjoy hybrid … working on a 3+2 basis. The Lead Developer will write efficient and scalable code. The Lead Developer will be experienced with PHP (Laravel/Lumen), Javascript and Typescript. The Lead Developer will be familiar with React and Python. The Lead Developer will enjoy interrogating databases (MySQL). The Lead Developer will ensure robust AWS integrations and workflows. The Lead Developer will coach and mentor a small team of engineers. The Lead Developer will be a champion for new technologies and best practice. The Lead Developer will foster a culture of software delivery excellence. The Lead Developer will work closely with senior More ❯

Lead Developer - C#, SQL, SSIS, SSAS, ETL - £110,000 + Market Leading package I’m currently partnered with a leading trading organisation that’s looking for a Lead Developer to take ownership of technical direction, mentor a talented team, and deliver high-quality, scalable solutions. This is a fantastic opportunity for someone who thrives on both … hands-on development and technical leadership, with the chance to shape future technology roadmaps while driving innovation and excellence. As Lead Developer, you’ll be responsible for: Defining and leading the technical vision across key projects Partnering with stakeholders to align delivery with business priorities Mentoring engineers, fostering growth, and building an inclusive, high-performing team Driving best … on both people and projects. If you’d like to hear more, drop me a message or apply today and I’ll be in touch to discuss the details. Lead Developer - C#, SQL, SSIS, SSAS, ETL - £110,000 + Market Leading package More ❯

Lead Developer Remote - London (2-4 Times Per Month) Up to £65,000 + Benefits We’re working with a world-renowned organisation at the forefront of science and digital innovation who are looking for a Lead Developer to join a major national programme. This is a fantastic opportunity to take ownership of building and leading … a team delivering cutting-edge digital infrastructure that will transform how vital scientific data is accessed and shared across the UK and beyond. The role As Lead Developer, you’ll provide senior technical direction and hands-on expertise in designing and implementing scalable, secure infrastructure. You’ll be responsible for shaping architectural decisions, integrating cloud-based and bespoke … complex technical projects. Alongside this, you’ll build and mentor a small but growing engineering team while collaborating closely with programme managers, senior stakeholders, and technical partners. Key responsibilities: Lead and grow a technical team delivering a new digital infrastructure programme. Provide hands-on technical input, writing high-quality code and driving architecture decisions. Design and implement secure, scalable More ❯

Lead Developer Remote - London (2-4 Times Per Month) Up to £65,000 + Benefits We’re working with a world-renowned organisation at the forefront of science and digital innovation who are looking for a Lead Developer to join a major national programme. This is a fantastic opportunity to take ownership of building and leading … a team delivering cutting-edge digital infrastructure that will transform how vital scientific data is accessed and shared across the UK and beyond. The role As Lead Developer, you’ll provide senior technical direction and hands-on expertise in designing and implementing scalable, secure infrastructure. You’ll be responsible for shaping architectural decisions, integrating cloud-based and bespoke … complex technical projects. Alongside this, you’ll build and mentor a small but growing engineering team while collaborating closely with programme managers, senior stakeholders, and technical partners. Key responsibilities: Lead and grow a technical team delivering a new digital infrastructure programme. Provide hands-on technical input, writing high-quality code and driving architecture decisions. Design and implement secure, scalable More ❯

Lead Java Developer 6 Months Hybrid working 1 day a week on site £500-£550 per a day inside IR35 Talent Consulting is seeking an experienced Lead Java Developer to join one of our government clients on a large-scale digital transformation programme. You’ll lead a team delivering modern, cloud-native solutions—rebuilding internal … systems, creating efficient digital processes, and ensuring scalable, high-quality software delivery. As Lead Java Developer you will be responsible for: Design and develop modern, cloud-based services using Java and Node.js. Build and maintain microservices and UI components, ensuring seamless integration between front-end interfaces and back-end APIs. Implement event-driven solutions using Kafka and other … such as Terraform. Create, maintain, and optimize CI/CD pipelines using GitLab CI. Collaborate with designers and front-end developers to deliver modern, responsive UI experiences. As a Lead Developer you will have the following experience: Proven experience leading and mentoring development teams. Extensive hands-on experience developing modern cloud-native applications using Java and Node.js. Strong More ❯

Lead Java Developer 6 Months Hybrid working 1 day a week on site £500-£550 per a day inside IR35 Talent Consulting is seeking an experienced Lead Java Developer to join one of our government clients on a large-scale digital transformation programme. You’ll lead a team delivering modern, cloud-native solutions—rebuilding internal … systems, creating efficient digital processes, and ensuring scalable, high-quality software delivery. As Lead Java Developer you will be responsible for: Design and develop modern, cloud-based services using Java and Node.js. Build and maintain microservices and UI components, ensuring seamless integration between front-end interfaces and back-end APIs. Implement event-driven solutions using Kafka and other … such as Terraform. Create, maintain, and optimize CI/CD pipelines using GitLab CI. Collaborate with designers and front-end developers to deliver modern, responsive UI experiences. As a Lead Developer you will have the following experience: Proven experience leading and mentoring development teams. Extensive hands-on experience developing modern cloud-native applications using Java and Node.js. Strong More ❯

Lead Risk Developer – Front Office Risk Systems Location: London Type: Permanent or Contract Compensation: Highly Competitive Overview A world-class trading firm is seeking a Lead Risk Developer to help build and evolve its next-generation front office risk platform. The system provides real-time exposure, VaR, and market risk analytics across a range of complex … capable of calculating and distributing option sensitivities and exposures in real time. It supports dynamic pricing, stress testing, and scenario analysis for high-volume, data-intensive trading activity. As Lead Developer, you will drive the architecture and implementation of a cloud native, microservice based risk framework, ensuring scalability, performance, and accuracy across all risk computations. You will collaborate More ❯

Lead Risk Developer – Front Office Risk Systems Location: London Type: Permanent or Contract Compensation: Highly Competitive Overview A world-class trading firm is seeking a Lead Risk Developer to help build and evolve its next-generation front office risk platform. The system provides real-time exposure, VaR, and market risk analytics across a range of complex … capable of calculating and distributing option sensitivities and exposures in real time. It supports dynamic pricing, stress testing, and scenario analysis for high-volume, data-intensive trading activity. As Lead Developer, you will drive the architecture and implementation of a cloud native, microservice based risk framework, ensuring scalability, performance, and accuracy across all risk computations. You will collaborate More ❯

Lead Full-stack Developer Location: Holborn, Central London (Hybrid) Job Type: Full-time Direct Reports: x5 Senior Developers Reporting to: Head of AI & Technology An exciting new permanent opportunity has become available for a Lead Full-stack Developer, to join a juggernaut organisation in the recruitment industry. A highly dynamic, ambitious and fast-growing team dedicated … to transforming the recruitment landscape through AI-driven, human-centered technology. This is a pivotal role where you will lead a team of 5 Senior Developers, focusing on hands-on coding and providing technical leadership underneath the guidance of the Head of AI & Technology. Day-to-day of the role: Lead and mentor a team of 5 Senior … high performance. Troubleshoot and resolve complex issues, ensuring platform reliability and uptime. Required Skills & Qualifications: 10+ years of commercial software development experience, with at least 5 years in a lead developer role. Proven track record in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development, including: TypeScript/JavaScript (NextJS, NodeJS More ❯

Lead Python Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Lead Python Developer (PYTHON/AWS/REACT). JOB PURPOSE Part of the extended Technology Leadership Team, the Lead Python Developer … publishing software, systems, and customer- facing digital products. They will provide technical supervision and guidance across the team, establishing and maintaining the development processes and working practices. MAIN ACCOUNTABILITIES Lead the development and maintenance of software, in line with organisational objectives for a specific team. Promote the creation of high-quality code using modern agile engineering practices such as … development of team members through mentoring and coaching. Work closely with Head of Engineering and act as a representative for engineering to your respective team. Work closely with other Lead Software Developers to ensure consistent ways of working and help limit duplication and waste. Contribute to, and work in accordance to the Engineering Team Charter and other organisational strategies More ❯

Lead Python Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Lead Python Developer (PYTHON/AWS/REACT). JOB PURPOSE Part of the extended Technology Leadership Team, the Lead Python Developer … publishing software, systems, and customer- facing digital products. They will provide technical supervision and guidance across the team, establishing and maintaining the development processes and working practices. MAIN ACCOUNTABILITIES Lead the development and maintenance of software, in line with organisational objectives for a specific team. Promote the creation of high-quality code using modern agile engineering practices such as … development of team members through mentoring and coaching. Work closely with Head of Engineering and act as a representative for engineering to your respective team. Work closely with other Lead Software Developers to ensure consistent ways of working and help limit duplication and waste. Contribute to, and work in accordance to the Engineering Team Charter and other organisational strategies More ❯

Lead .NET Developer | Legacy to Modern | C#, .Net | SaaS Data A fast-growing SaaS business is investing heavily in its tech platform and building out a senior engineering hub in London. They’re on the lookout for a .NET Specialist to help drive modernisation, set technical direction, and mentor squads as they scale. This isn’t a “heads … plenty of time coding, alongside leading migrations and mentoring engineers. What you’ll be doing: Own design + build of complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Influence the technical roadmap across multiple squads Partner with QA, Product, and DevOps to deliver … balancing legacy upkeep with platform modernisation Confident with IIS, AWS, TeamCity, Octopus Deploy, SQL Server Bonus points for exposure to Angular or Telerik libraries Experience in a senior/lead dev role, ideally in SaaS or product-led teams Someone who enjoys mentoring, influencing direction, and staying hands-on Location & working style Hybrid London role, expect 1–2 days More ❯

Lead .NET Developer | Legacy to Modern | C#, .Net | SaaS Data A fast-growing SaaS business is investing heavily in its tech platform and building out a senior engineering hub in London. They’re on the lookout for a .NET Specialist to help drive modernisation, set technical direction, and mentor squads as they scale. This isn’t a “heads … plenty of time coding, alongside leading migrations and mentoring engineers. What you’ll be doing: Own design + build of complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Influence the technical roadmap across multiple squads Partner with QA, Product, and DevOps to deliver … balancing legacy upkeep with platform modernisation Confident with IIS, AWS, TeamCity, Octopus Deploy, SQL Server Bonus points for exposure to Angular or Telerik libraries Experience in a senior/lead dev role, ideally in SaaS or product-led teams Someone who enjoys mentoring, influencing direction, and staying hands-on Location & working style Hybrid London role, expect 1–2 days More ❯

Lead Software Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Lead Software Developer (PYTHON/AWS/REACT). JOB PURPOSE Part of the extended Technology Leadership Team, the Lead Software Developer … publishing software, systems, and customer - facing digital products. They will provide technical supervision and guidance across the team, establishing and maintaining the development processes and working practices. MAIN ACCOUNTABILITIES Lead the development and maintenance of software, in line with organisational objectives for a specific team. Promote the creation of high-quality code using modern agile engineering practices such as … development of team members through mentoring and coaching. Work closely with Head of Engineering and act as a representative for engineering to your respective team. Work closely with other Lead Software Developers to ensure consistent ways of working and help limit duplication and waste. Contribute to, and work in accordance to the Engineering Team Charter and other organisational strategies More ❯

Lead Software Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Lead Software Developer (PYTHON/AWS/REACT). JOB PURPOSE Part of the extended Technology Leadership Team, the Lead Software Developer … publishing software, systems, and customer - facing digital products. They will provide technical supervision and guidance across the team, establishing and maintaining the development processes and working practices. MAIN ACCOUNTABILITIES Lead the development and maintenance of software, in line with organisational objectives for a specific team. Promote the creation of high-quality code using modern agile engineering practices such as … development of team members through mentoring and coaching. Work closely with Head of Engineering and act as a representative for engineering to your respective team. Work closely with other Lead Software Developers to ensure consistent ways of working and help limit duplication and waste. Contribute to, and work in accordance to the Engineering Team Charter and other organisational strategies More ❯

Lead Java Developer Leading Fintech seek a Lead Java Engineer to join their Crypto team at the forefront of digital assets and blockchain innovation. This is a unique opportunity to take a pivotal role in shaping the technology behind our cutting-edge products. The Role As Lead Java Engineer, you’ll split your time between hands … . You’ll work closely with talented engineers, product managers, and stakeholders to deliver high-performance, scalable solutions in the crypto and digital asset space. What You’ll Do Lead and mentor a small, highly skilled team of Java engineers. Design, build, and optimise distributed systems with a focus on performance and security. Collaborate on architecture decisions, ensuring scalability More ❯

for iPhone that pairs with our ‘AirBreak’ putting platform, using on-device machine learning to turn putting practice into interactive game modes and skills challenges. What you’ll do: Lead development of our iOS putting simulator app – evolve a working MVP that already detects the playing surface, balls and putts into a stable, production-ready app. Refine computer vision …/Vision (or similar frameworks such as OpenCV or PyTorch). Balance accuracy and performance - deliver fast, thermally efficient gameplay on iPhone. Collaborate directly with our CEO (a former developer) and Chief Product Officer, to make key architectural decisions. Own the codebase – build on our MVP or start from scratch to create well-structured and maintainable code. What you … for the right UK-based candidate). Salary £70 – £80k + benefits. How to apply Apply through LinkedIn or email careers@puttout.golf with the subject line: “[Your Name]/Lead Developer” Include: A short note on why this role interests you (max 1 page) Your CV (we care more about impact than job titles) Applications reviewed on a More ❯

for iPhone that pairs with our ‘AirBreak’ putting platform, using on-device machine learning to turn putting practice into interactive game modes and skills challenges. What you’ll do: Lead development of our iOS putting simulator app – evolve a working MVP that already detects the playing surface, balls and putts into a stable, production-ready app. Refine computer vision …/Vision (or similar frameworks such as OpenCV or PyTorch). Balance accuracy and performance - deliver fast, thermally efficient gameplay on iPhone. Collaborate directly with our CEO (a former developer) and Chief Product Officer, to make key architectural decisions. Own the codebase – build on our MVP or start from scratch to create well-structured and maintainable code. What you … for the right UK-based candidate). Salary £70 – £80k + benefits. How to apply Apply through LinkedIn or email careers@puttout.golf with the subject line: “[Your Name]/Lead Developer” Include: A short note on why this role interests you (max 1 page) Your CV (we care more about impact than job titles) Applications reviewed on a More ❯

Lead React Native Developer Salary: Up to £90k Location: Fully Remote working (UK/EU) Lead React Native Developer - would you like the opportunity to work for a company that specialises in digital products and experiences, combining research, analysis and insights with technology and creativity to solve business challenges? They’re currently looking for a Lead React Native Developer to take full ownership. You will shape their greenfield app and define patterns and foundations. Key requirements: 5+ years’ experience working with React Native Ideally 2+ years working in a leadership role. Sadly this role isn’t suitable for Seniors looking to take into a Leadership role. Stream Chat CI/CD with GitHub Actions … If you’re a Lead React Native Developer who enjoys working on greenfield projects, please apply. More ❯

Lead Dynamics365 Developer £78,000 + Permanent Benefits Flexible working - 2X a week on-site (London) An established financial services organisation is looking to recruit a D365 Development and Support Lead, to deliver and maintain CRM applications following development best practices and provide user support to these same applications. You will work closely with suppliers, partners and More ❯

Position Summary BGC Tech Markets is seeking a highly skilled software development professional to join the Trading Systems development team. This individual will lead the design and implementation of trading gateways and interfaces to BGC's proprietary matching engine and contribute directly to the development of the matching engine itself. The role demands strong expertise in C++ Development within … a high-frequency trading (HFT) environment. Key Responsibilities Serve as lead developer responsible for system design and implementation Develop low-latency trading gateways and market data interfaces Enhance and maintain BGC’s proprietary matching engine infrastructure Collaborate with cross-functional teams to deliver robust and scalable trading solutions Skills and Experience Minimum 10 years of software development experience More ❯

Position Summary BGC Tech Markets is seeking a highly skilled software development professional to join the Trading Systems development team. This individual will lead the design and implementation of trading gateways and interfaces to BGC's proprietary matching engine and contribute directly to the development of the matching engine itself. The role demands strong expertise in C++ Development within … a high-frequency trading (HFT) environment. Key Responsibilities Serve as lead developer responsible for system design and implementation Develop low-latency trading gateways and market data interfaces Enhance and maintain BGC’s proprietary matching engine infrastructure Collaborate with cross-functional teams to deliver robust and scalable trading solutions Skills and Experience Minimum 10 years of software development experience More ❯

Position: Lead Azure Developer - Acturis API/Insurance products MS Stack - Developing frontend applications Salary: 80k-90k GBP Industry: Financial Services - Insurance Remote: 1 day in the office per month Location: Bristol or London If you're Senior Software Engineer who enjoys working with Acturis API and you're looking to join a small team of engineers, for More ❯

Lead Dynamics 365 Developer - London £78,000 + Permanent Benefits Flexible working - 2X a week on-site (London) An established financial services organisation is looking to recruit a D365 Development and Support Lead, to deliver and maintain CRM applications following development best practices and provide user support to these same applications. You will work closely with suppliers More ❯