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 LeadDeveloper will work for an ambitious software scale-up in Central London. The LeadDeveloper will earn £75,000 per annum. The LeadDeveloper will enjoy hybrid … working on a 3+2 basis. The LeadDeveloper will write efficient and scalable code. The LeadDeveloper will be experienced with PHP (Laravel/Lumen), Javascript and Typescript. The LeadDeveloper will be familiar with React and Python. The LeadDeveloper will enjoy interrogating databases (MySQL). The LeadDeveloper will ensure robust AWS integrations and workflows. The LeadDeveloper will coach and mentor a small team of engineers. The LeadDeveloper will be a champion for new technologies and best practice. The LeadDeveloper will foster a culture of software delivery excellence. The LeadDeveloper will work closely with senior More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Mongoose Gray
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 LeadDeveloper will work for an ambitious software scale-up in Central London. The LeadDeveloper will earn £75,000 per annum. The LeadDeveloper will enjoy hybrid … working on a 3+2 basis. The LeadDeveloper will write efficient and scalable code. The LeadDeveloper will be experienced with PHP (Laravel/Lumen), Javascript and Typescript. The LeadDeveloper will be familiar with React and Python. The LeadDeveloper will enjoy interrogating databases (MySQL). The LeadDeveloper will ensure robust AWS integrations and workflows. The LeadDeveloper will coach and mentor a small team of engineers. The LeadDeveloper will be a champion for new technologies and best practice. The LeadDeveloper will foster a culture of software delivery excellence. The LeadDeveloper will work closely with senior More ❯
Job title: Senior/LeadDeveloper Location: London, UK Job type: Contract (Inside IR35) About the Role As a Senior or Lead Insurance Developer, you will be responsible for participating in business requirements review meetings, and providing design & solutions on user stories to be implemented on Insurance projects. You will estimate the development effort during sprint … planning meetings, design, develop, unit test, and document new and existing software solutions as per requirements.What will you do? Senior Developer Develop software solutions that meet high-performing technical standards and are created using Insurance best practices. Focus on leveraging Insurance Tech software platforms, like Guidewire InsuranceSuite. Configuration of software platforms to meet requirements. Development of customizations to change … and assist in the resolution of technical issues. Prepare and produce software releases. Participate in daily standup meetings, sprint planning, and retrospectives. Contribute to POC to support new opportunities. LeadDeveloper All responsibilities of the Senior Insurance Developer, plus: lead and mentor a team of developers. Provide technical leadership and guidance on best practices. Collaborate with More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Harnham
LeadDeveloper 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 LeadDeveloper 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 LeadDeveloper, 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 ❯
LeadDeveloper 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 LeadDeveloper 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 LeadDeveloper, 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 ❯
LeadDeveloper £800 per day (Inside IR35) Hybrid | London (1-3 days per week on-site) | SC cleared or eligible Our client, a government organisation, is seeking an experienced LeadDeveloper to guide technical direction and deliver innovative low-code and AI solutions. Key Responsibilities Lead on technical and architectural decisions across projects. Collaborate with … frameworks (e.g. LangChain). Excellent collaboration and communication skills. SC cleared or eligible. Desirable Familiarity with Microsoft technologies and/or public sector projects. A great opportunity for a Lead or Senior Developer to help shape digital transformation within a collaborative, forward-thinking team. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Talent
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 LeadDeveloper 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 LeadDeveloper 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 ❯
london, south east england, united kingdom Hybrid / WFH Options
Talent
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 LeadDeveloper 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 ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Talent
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 LeadDeveloper 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 ❯
LeadDeveloper - AI & Low-Code Platforms £800/day Inside IR35 | End of FY LeadDeveloper needed for AI programme. Hands-on role combining low-code platform expertise (Power Platform) with Python/AI development and technical leadership. The Role Hands-on development with low-code platforms (Power Platform) and Python Make technical and architectural decisions More ❯
LeadDeveloper £800 per day (Inside IR35) Hybrid London (1-3 days per week on-site) SC cleared or eligible Our client, a government organisation, is seeking an experienced LeadDeveloper to guide technical direction and deliver innovative low-code and AI solutions. Key Responsibilities Lead on technical and architectural decisions across projects click apply More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Reed Technology
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 leaddeveloper 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 ❯
East London, London, United Kingdom Hybrid / WFH Options
Tech 4
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 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 DeveloperMore ❯
Overview Job Title: Dot Net Lead/Developer Position: 2( 1 Lead and 1 Developer) Job Type: Permanent Job Location: London, UK(EC3M, 3-4 Days/week onsite) Start date: ASAP Budget: 60 K for Developer and 70 K GBP/year for Lead Requirements Must Have Skills: dotnet core(Server side), Azure … Cloud, Azure DevOps, Microservices Architecture, NoSQL Years of Experience: 8+ Years for Lead/5+ year for Developer Responsibilities Proven experience as a .NET Core Developer with expertise in Microsoft Azure. Proficiency in C# and .NET Core for server-side development. Excellent Coding skills and best practices Strong experience of Azure services, including but not limited to More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Prism Digital
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 ❯
E1, Whitechapel, Greater London, Shadwell, United Kingdom
Tech4 Ltd
Lead Software Developer (PYTHON/AWS) - 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). JOB PURPOSE Part of the extended Technology Leadership Team, the Lead Software Developer will design, implement, and … 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 ❯
East London, London, United Kingdom Hybrid / WFH Options
Tech 4
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 ❯
london (city of london), south east england, united kingdom
Tech4
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 ❯