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 ❯
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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
LeadDeveloper - C#, SQL, SSIS, SSAS, ETL - £110,000 + Market Leading package I’m currently partnered with a leading trading organisation that’s looking for a LeadDeveloper 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 LeadDeveloper, 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. LeadDeveloper - C#, SQL, SSIS, SSAS, ETL - £110,000 + Market Leading package 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 ❯
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 ❯
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 ❯
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 ❯
City of London, London, 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 ❯
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 ❯
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 ❯
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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
PuttOUT Golf
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]/LeadDeveloper” 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 ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
PuttOUT Golf
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]/LeadDeveloper” 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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hawksworth
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 ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
INTEC SELECT LIMITED
Senior Software Developer | £85,000 | London | Financial Services Overview: A leading financial services organisation is seeking a Senior Software Developer to drive the design, development, and delivery of critical technology solutions across its operations. This high-impact role sits at the heart of business transformation, focused on building scalable systems to support reporting, compliance, and operational efficiency.The successful … candidate will combine hands-on technical expertise with strong business acumen, driving the development of innovative solutions to support complex, enterprise-scale systems. Role & Responsibilities: Lead the design and delivery of enterprise applications and reporting systems Develop tools for dashboards, analytics, and operational monitoring Build and maintain APIs, data pipelines, and automation for business processes Implement scalable solutions to … and integrate commercial off-the-shelf (COTS) platforms where required Collaborate with business stakeholders to gather requirements and deliver tailored solutions Define design patterns, development standards, and quality controls Lead and mentor developers, managing performance and growth Contribute to technology strategy, promoting innovation and best practices Essential Skills & Experience: 8+ years in software development within financial services or other More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
Have you got experience leading a team while remaining hands-on and technically involved? Senior Java Developer – FX Trading Salary : up to £120k + bonus Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTech that has been acquired by a leading capital market. They are looking … for an experienced Java Developer who will fulfil a hands-on Senior/Lead role leading the next generation of Java Developers. They are looking for the following experience in Senior Java Developers: Core Java development Multithreading, concurrency, low latency Working in the financial sector e.g. FX, trading Building microservices in the cloud (GCP, AWS) with Kubernetes Product … development budget Are you looking for a step up in your career to take on additional responsibilities while remaining technically hands-on? Apply now for this excellent Senior Java Developer opportunity! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Understanding Recruitment
Have you got experience leading a team while remaining hands-on and technically involved? Senior Java Developer – FX Trading Salary : up to £120k + bonus Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTech that has been acquired by a leading capital market. They are looking … for an experienced Java Developer who will fulfil a hands-on Senior/Lead role leading the next generation of Java Developers. They are looking for the following experience in Senior Java Developers: Core Java development Multithreading, concurrency, low latency Working in the financial sector e.g. FX, trading Building microservices in the cloud (GCP, AWS) with Kubernetes Product … development budget Are you looking for a step up in your career to take on additional responsibilities while remaining technically hands-on? Apply now for this excellent Senior Java Developer opportunity! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
Full Stack Tech Lead Developers/Tech Leads Needed – Fully Remote (UK) | Up to £85,000 Interviews happening this week & next – decisions by end of the month Are you a Senior Developer ready to step into a Tech Lead role where you can shape products that truly make a difference? We’re partnering with an industry leader … social care. With offices in Bristol, Bournemouth, and London (and just one or two in-office days per month), this is a fully remote opportunity offering the chance to lead, innovate, and grow in a supportive, forward-thinking environment. 💻 What you’ll do Take on a 70/30 hands-on vs. leadership split —coding, architecting, and mentoring. Lead … assurance & enhanced maternity leave Pension contributions & Employee Assistance Programme Birthday day off & referral bonus scheme A genuinely collaborative, supportive culture where your ideas matter If you’re a passionate developer who wants to build impactful products while growing into a true tech leader , we’d love to speak with you. 📅 Interviews are happening this week and next – apply now More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Robert Half
Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (3days in the office and 2 days from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end More ❯
City Of London, England, United Kingdom Hybrid / WFH Options
McGregor Boyall
A leading global investment bank is seeking a Java Developer/eTrading Strategist to join its London Rates eTrading team . This front-office role focuses on designing, building, and optimising low-latency Java trading systems that power the bank's global Rates business. The Role You will engineer high-performance Java components for algorithmic execution, pricing, and market More ❯