132,411+ Java Developer Java Developer Lead Jobs in London, UK — Local Employers Hiring July 2026

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ServiceNow Developer / Lead Developer (SC Cleared)

Role: ServiceNow Developer / Lead Developer (SC Cleared) Location: London or Milton Keynes (Hybrid - flexible onsite arrangement) Duration: 6-month rolling contract Clearance: Active SC Clearance required Technology & Risk Recruitment are supporting a major UK Government greenfield ServiceNow programme and are b ...

ServiceNow Developer / Lead Developer (SC Cleared)

Role: ServiceNow Developer / Lead Developer (SC Cleared) Location: London or Milton Keynes (Hybrid - flexible onsite arrangement) Duration: 6-month rolling contract Clearance: Active SC Clearance required Technology & Risk Recruitment are supporting a major UK Government greenfield ServiceNow programme and are b ...

SC Cleared Java Dev: Java 17+, AWS & Angular (Hybrid)

Java Script Works is seeking a skilled Java Developer with Active SC Clearance, proficient in Java 17+, Spring/Spring Boot, Angular, and AWS. This role, based in London, offers a competitive rate of up to £420 per day (Inside IR35) and supports a hybrid working environment. The ideal candidate will hav ...

Java Full Stack Engineer Capital Markets Growth (London)

Mandarin Recruitment is excited to offer a Java Developer (Full-Stack) role in a London-based Capital Markets company. The ideal candidate will support UK operations, contributing to the company’s global expansion while leveraging expertise in Java, concurrency, and distributed systems. The position re ...

Junior Java Engineer: Spring Boot & Microservices

Information Tech Consultants is seeking a skilled Java Developer to join its London software development team. You will design, develop, and maintain scalable Java applications while collaborating with cross-functional teams. The ideal candidate should have 2-4 years of experience in Java/Spring Boot developm ...

Java 17 Trade Systems Engineer Kafka & Front Office

Lorien is seeking an experienced Java Developer for a 6-month contract in London, working in a hybrid model. The role is focused on developing high-performance trade processing systems in a fast-paced investment banking environment. Candidates should have strong experience with Java, particularly Java ...

Backend Java Engineer for Cloud & AI Solutions

IBM Computing in Greater London is seeking a Backend Java Developer to design and deliver high-quality applications using Java/JEE and modern web technologies. You will be responsible for building new features, integrating systems, and applying best-practice engineering principles like TDD and CI/CD. T ...

Senior Backend Engineer, Core Java | Remote UK – Impact

Yelp, Inc is looking for a remote backend engineer to join their cooperative team. The role involves building and maintaining tools and libraries for Java services, working closely with application developers to enhance the Java developer experience. Candidates should be proficient in Java, Scala, and/or Kotlin, ...

Tech Lead JavaScript/React & Node.js Architect

Java Script Works is seeking a Lead Developer/Tech Lead based in Greater London, United Kingdom. This full-time role requires proven expertise in JavaScript, React, Node.js, and TypeScript to lead and design scalable web projects. The ideal candidate will have demonstrated experience in leading teams, ...

Senior Java Engineer — Hybrid Cloud & AI

IBM Computing is looking for a Senior Java Developer to support their Public Sector clients in the UK. You will design and build high-quality applications using Java/JEE and modern web technologies, with responsibilities that include developing features, integrating systems, and applying best practices. < ...

Full Stack Engineer

We are currently partnering with a global technology leader seeking a Full Stack Java Developer. You will be at the forefront of cutting‑edge technology including AI, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry‑leading so ...

Java Full stack Developer (ReactJS&AngularJS) London, UK Fulltime Hybrid London

Java Full stack Developer (ReactJS&AngularJS) - London, UK - Fulltime - Hybrid - London Reference Code: -en_GBContract Type:PermanentProfessional Communities: Software EngineeringJob Title:Java FullStack developer (ReactJS & AngularJS) Location: London, UK </s ...

Core Java Developer — TDD & Clean Code for Scalable Systems (Hybrid London)

Lorien is seeking a Core Java Developer for their banking client in London. The role entails hybrid working, requiring only 2 days a month on site. Candidates must have strong hands-on development skills in Core Java, TDD, and clean coding practices. The ideal candidate will demonstrate a collaborative ...

Software Engineering Manager

Overview Lead Developer / Engineering Manager – Digital Transformation – Direct message the job poster from Areti Group | B Corp We’re partnering with a London-based tech platform embarking on a large-scale digital transformation . With discovery complete, the build p ...

Platform Backend Java Engineer (Hybrid, Fixed Term)

A tech consulting firm seeks a Backend Java Developer in Birmingham to build core backend services for a Data Fabric platform. Candidates should have strong experience with Java, Spring, and SQL transformations. This role involves working on data governance and performance-oriented backend solutions, ideally in ...

iOS Developer Up to £120k + Bonus

4,000+ Quantitative Developer Jobs in United States Quantitative Developer (C++ & Python) | New Team Build (Seattle) | Elite Quant Hedge Fund Trading/Quantitative Modeling | Analyst | New York Senior Quant Developer | Next gen quant research platform/new team build | Boston </ ...

Quant Developer: Trading Systems & Research (Remote)

4,000+ Quantitative Developer Jobs in United States Quantitative Developer (C++ & Python) | New Team Build (Seattle) | Elite Quant Hedge Fund Trading/Quantitative Modeling | Analyst | New York Senior Quant Developer | Next gen quant research platform/new team build | Boston </ ...

iOS Developer Up to £120k + Bonus

4,000+ Quantitative Developer Jobs in United States Quantitative Developer (C++ & Python) | New Team Build (Seattle) | Elite Quant Hedge Fund Trading/Quantitative Modeling | Analyst | New York Senior Quant Developer | Next gen quant research platform/new team build | Boston </ ...

Quant Developer: Trading Systems & Research (Remote)

4,000+ Quantitative Developer Jobs in United States Quantitative Developer (C++ & Python) | New Team Build (Seattle) | Elite Quant Hedge Fund Trading/Quantitative Modeling | Analyst | New York Senior Quant Developer | Next gen quant research platform/new team build | Boston </ ...

Senior Integration Engineer

Senior Integration Developer / Lead Developer – IBM BPM / Camunda 6-Month Contract (Likely Extension) Location: London or Edinburgh (Hybrid – some onsite presence required) Our client, one of the UK’s largest banks, is seeking a highly skilled Senior Integrat ...

Engineering Manager: Digital Transformation Lead (Remote)

A leading tech platform in London is seeking a Lead Developer / Engineering Manager for a high-impact contract role focused on digital transformation. You will guide technical delivery, shape application design, and lead a squad of developers. Candidates should have strong expertise in Java, with exposure to Nod ...

UI Developer Lead

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their tal ...

Salesforce Lead Developer

This job is with eBay, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers ...

Lead Software Developer

With a company culture rooted in collaboration, expertise and innovation, we aim to promote progress and inspire our clients, employees, investors and communities to achieve their greatest potential. Our work is the catalyst that helps others achieve their goals. In short, We Enable Possibility℠.Tec ...

Salesforce Lead Developer

Job Title: Salesforce Lead Developer Job Location: London, UK / Onsite Job Type:12 Months FTC < ...

Lead Python Developer

Job Title: Lead Python Developer Location: United Kingdom (Remote) Salary/Rate: £425 - £450 (Inside IR35) Start Date: Immediately Job Type: 12 Month Contract We are seeking an experienced Lead Python Developer to join a distrib ...

Lead Python Developer

As a Lead Python Developer at Fundment, you’ll lead a pod of 3 - 4 engineers, including yourself, combining hands‑on development (around 50% of your time) with technical leadership. You’ll drive execution, uphold delivery quality, and ensure the team builds reliable, maintainable systems that serve real bu ...

Synthetics Lead Developer

hackajob is collaborating with Barclays to connect them with exceptional professionals for this role. Join Barclays as a Synthetics Lead Developer, where you will be responsible for supporting a global Synthetic & Financing platform that manages equity swaps and related derivative products. ...

Salesforce Developer Lead

Salesforce Lead Developer Our Client is looking to recruit a Salesforce Developer with at least 7 to 10 years Team Lead Team Lead Experience Overall IT experience required for this position is at least 10 years. Lead Salesforce development team in developing solutions th ...

Intellimatch Lead Developer

Intellimatch Lead Developer 6 months Remote/London - 3 days a week £Negotiable - INSIDE IR35 Responsibilities and Qualifications Develop and deliver end-to-end, robust and efficient reconciliations on Data Integrity Manager (Intellimatch) application. < ...

Lead Murex Developer

Overview Connecting clients to markets – and talent to opportunity. With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the ...

Lead Appian Developer

Certifications Appian L3 certification is must. We at Coforge are looking for Lead Appian Developer in London, UK. Role Overview We are seeking an experienced Appian Lead with a strong background in application development and production support of BPM-based solu ...

ServiceNow Developer Lead

Overview Are you ready to write your next chapter? Make your mark at one of the biggest names in payments. With proven technology, we process the largest volume of payments in the world, driving the global economy every day. When you join Worldpay, you join a global community of experts and ...

ICT Lead Developer

Salary: £50,000 - 70,000 per year Requirements Proven experience as a Senior or Lead Developer in a fast-paced environment Strong proficiency in .NET, C#, SQL, Visual Studio, Power Platform, SharePoint Experience with cloud platforms (Azure) and CI/CD pip ...

Lead BI Developer

12-Month FTC | Up to £70,000 | Hybrid (2 days in the office) Our client, a well‑known and highly regarded consultancy, is looking for an experienced Lead Business Intelligence Developer to join their data team on a 12‑month fixed‑term contract. Working across the full data lifecycle, you'll ...

UI Developer Lead

Salary: £? - ? per year Requirements Strong proficiency in React, including Hooks, Context API, and Redux or similar state management Advanced knowledge of RxJS for reactive programming and event-driven architectures Strong experience with HTML5, CSS3, Ty ...

ServiceNow Developer Lead

About the Role The ServiceNow Development Lead is responsible for providing technical leadership, architectural guidance, and hands‑on expertise in the design, development, and delivery of ServiceNow solutions. This role leads a team of ServiceNow Engineers, ensuring the platform is robust, scalab ...

Lead Android Developer

Candyspace are tried and tested digital product experts, creating apps, websites and digital products for ambitious, results-focused organisations investing in growth, including some of the best-known brands in the UK and beyond. Working at Candyspace is about building products that people love. We ...

Lead .NET Developer

As an Engineering Lead, you will join a high performing Technology and Data organisation, leading multiple engineering teams across strategic initiatives. You will collaborate closely with Product, QA, and cross functional stakeholders to deliver scalable, secure, and future proof solutions that meet busin ...

Lead Android Developer

Roles and Responsibilities Build and maintain high‑quality native Android applications using Kotlin and Jetpack Compose, focusing on fast delivery and maintainable architecture. Work closely with internal teams and client stakeholders to develop end‑to‑end mobile features that ali ...

Lead Python Developer

Python Developers CGI’s Space, Defence and Intelligence business unit focuses on delivering contemporary and innovative technical solutions to government agencies tackling some of the most complex challenges. We design, build, and operate bespoke, mission‑critical systems that help keep the UK sa ...

Lead Developer, XR

XYZ Reality is transforming construction through Augmented Reality. Our flagship product, the ATOM headset, enables precise holographic visualization of BIM models on site, reducing rework and improving delivery certainty. By combining advances in spatial computing, real-time rendering, and cloud integrat ...

Lead Android Developer

I’m currently working with a well-established consumer tech business that’s growing its mobile engineering team and looking to add a Lead Android Developer. This is a fantastic opportunity for someone who enjoys building high-quality mobile products at scale, leading technical direction, and mentori ...

Lead Mobile Developer

Remote working – once a month onsite in Epsom, Surrey We’re partnering with a Tech for Good business, who are developing mission‑critical mobile and cloud‑based solution at scale across the business. Their products support users in real‑time environments where reliability, performance and resilience ...

Developer Education Lead

About Mistral At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life, democratizing AI through high‑performance, optimized, open‑source, and cutting‑edge models, pro ...

Salesforce Lead Developer

Job Title: Salesforce Lead Developer Job Location: London, UK / Onsite Job Type:12 Months FTC < ...

Lead Software Developer

With a company culture rooted in collaboration, expertise and innovation, we aim to promote progress and inspire our clients, employees, investors and communities to achieve their greatest potential. Our work is the catalyst that helps others achieve their goals. In short, We Enable Possibility℠.Tec ...

Lead Python Developer

Job Title: Lead Python Developer Job Location: London, UK, Remote (occasional visit to office) Job Type: FTE Job Description: Python Developer ...

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