slough, south east england, 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 ❯
london, south east england, 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 ❯
london (city of london), south east england, 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 ❯
london, south east england, 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 ❯
london (city of london), south east england, 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 ❯
slough, south east england, 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 ❯
Bletchley, Buckinghamshire, United Kingdom Hybrid / WFH Options
hireful
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products … with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer Salary: £65k - £75k base + Bonus Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance More ❯
Milton Keynes, Buckinghamshire, South East, United Kingdom Hybrid / WFH Options
Hireful
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products … with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer Salary: £65k - £75k base + Bonus Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance More ❯
slough, 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, 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 ❯
london, south east england, united kingdom Hybrid / WFH Options
Cititec
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 LeadDeveloper, 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 ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Cititec
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 LeadDeveloper, 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 ❯
slough, south east england, united kingdom Hybrid / WFH Options
Cititec
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 LeadDeveloper, 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 ❯
the IT & Digital Services department. By joining our team, you'll help shape the future workforce and make a lasting impact on the lives of learners. Job Title: AI LeadDeveloper As AI LeadDeveloper, you'll have the opportunity to drive innovation through the design, development, and deployment of advanced AI applications that enhance efficiency … operational systems (e.g. LMS, CRM, VLEs). Act as an AI subject matter expert, mentoring colleagues and promoting best practice in AI adoption. If you're a skilled AI developer with a passion for innovation and ethical technology, and a commitment to education, we want YOU on our team! Essential Qualifications: Educated to degree level (or equivalent) in IT 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 ❯
london (city of london), south east england, united kingdom
Tech4
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 ❯
Reigate, Surrey, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Lead Software Developer/Engineer (C# .Net Azure SaaS) Reigate/WFH to £100k Do you have expertise with C# cloud based development combined with technical/team leadership skills? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning opportunities a global Fintech. What … s in it for you: As a Lead Software Developer you will receive a competitive salary plus a range of perks and benefits: Up to £100k salary plus bonus (c30%) Hybrid working (3 days a week work from home) Enhanced parental leave 25 days holiday (plus buy days and your birthday off) Pension, Health Care and Life Assurance … Training and career development Social events and a range of other perks Your role: As a Lead Software Developer you'll manage three Agile teams comprising around ten experienced software engineers, responsible for the flagship SaaS insurance platform that handles 4 billion requests per month. You'll play a key role in architecting, designing and developing new features More ❯
Reigate, Surrey, South East, United Kingdom Hybrid / WFH Options
Client Server
Lead C# Developer/Software Engineer (C# .Net Azure SaaS) Reigate/WFH to £100k Do you have expertise with C# cloud based development combined with technical/team leadership skills? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning opportunities a global Fintech. … As a Lead C# Developer you'll manage three Agile teams comprising around ten experienced software engineers, responsible for the flagship SaaS insurance platform that handles 4 billion requests per month. You'll play a key role in architecting, designing and developing new features and enhancements whilst ensuring high levels of security, reliability, maintainability, usability and performance. You … of CI/CD and Infrastructure as Code (IaC) You're likely to be degree educated in a relevant STEM discipline What's in it for you: As a Lead C# Developer you will receive a competitive salary plus a range of perks and benefits: Up to £100k salary plus bonus (c30%) Hybrid working (3 days a week More ❯
london, south east england, 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 ❯
london (city of london), south east england, 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 ❯
slough, south east england, 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 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 ❯