150,688+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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Principal Front End Developer

Who are YapilyWhy we exist, and where we’re headedOur Mission: Redefining how the world interacts with value.Our Vision: A world without financial frictionOur Purpose: To empower everyone to access and move valueYapily i ...

Principal Front End Developer

Who are YapilyWhy we exist, and where we’re headedOur Mission: Redefining how the world interacts with value.Our Vision: A world without financial frictionOur Purpose: To empower everyone to access and move valueYapily i ...

Principal Front End Developer

Who are YapilyWhy we exist, and where we’re headedOur Mission: Redefining how the world interacts with value.Our Vision: A world without financial frictionOur Purpose: To empower everyone to acc ...

Senior Frontend Developer (React.js) | Brand New Trading Payments Desk | £130,000 + Bonus + Ben[...]

Senior Frontend Developer (React.js) | Brand New Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground up and ...

Lead Ruby/Dev Engineer

Aspire to work with an organization that inspires you to push boundaries and offer rewarding career opportunity? We have a fantastic opening of a Lead Ruby Developer for a company that has a sole mission to boost performance, availability and stability of the company’s platform.The position offe ...

Lead Ruby/Dev Engineer

Aspire to work with an organization that inspires you to push boundaries and offer rewarding career opportunity? We have a fantastic opening of a Lead Ruby Developer for a company that has a sole mission to boost performance, availability and stability of the company’s platform.The position offe ...

NetSuite Developer and Integration Lead

Title: NetSuite Developer Location: London Hybrid: 3-4 days a week onsite Salary: £75,000 + Our client a large scale software company is seeking a permanent NetSuite Technical Administrator to join there company on a permanent basis. The NetSuite Techn ...

NetSuite Developer and Integration Lead

Title: NetSuite Developer Location: London Hybrid: 3-4 days a week onsite Salary: £75,000 + Our client a large scale software company is seeking a permanent NetSuite Technical Administrator to join there company on a permanent basis. The NetSuite Techn ...

NetSuite Developer and Integration Lead

Title: NetSuite Developer Location: London Hybrid: 3-4 days a week onsite Salary: £75,000 + Our client a large scale software company is seeking a permanent NetSuite Technical Administrator to join there company on a permanent basis. The NetSuite Techn ...

Director of Software Engineering

As the Director of Software Engineering at JPMorgan Chase within the Corporate Technology function, you will lead a technical area and promote impact across teams, technologies, and projects within various departments. You will leverage your extensive expertise in software, applications, technical proces ...

Guidewire Architect

Guidewire Architect – Insurance TechnologyWe’re hiring an experienced Guidewire Architect to lead enterprise-scale insurance transformation programmes across Guidewire InsuranceSuite environments.This role is ideal for a technical leader with strong Guidewire architecture, integration, cloud, and ...

Computing Lecturer

Education Staffbank is partnering with a leading independent higher education provider in London to recruit an experienced and passionate Lecturer in Computing Science. This is an exciting opportunity for someone dedicated to student success, who thrives in a face-to-face teaching environment, and wants to help ...

Senior Generative AI Architect

Job title: Senior Generative AI ArchitectLocation: London, UKWork mode: HybridSkills: AI/ML architecture; AI frameworks; AI models & solutions; cloud platforms (e.g., AWS, Azure, Google Cloud) and programming languages such as Python, Java, or C++.We at Coforge are looking for ...

Insurance IT Strategy Consultant | Hybrid, Impactful

A leading consultancy firm in London is seeking an IT Strategy Consultant to help insurance organizations leverage innovative technology strategies. You will work closely with senior leaders and analyze IT environments to enhance operational efficiency. Candidates should possess strong skills in Guidewire and Ja ...

Senior Software Engineer Business Expense Platform APIs

A global technology company is seeking a Senior Software Engineer to enhance their Business Expense Management team. This role involves designing and maintaining scalable services, collaborating on public APIs, and solving complex problems. Ideal candidates will have strong Java skills, experience with microserv ...

Senior Software Engineer: Python/Django & TypeScript Architect

Java Script Works in London is seeking a Senior Software Engineer to design, develop, and maintain robust software solutions using Python and TypeScript. The role involves optimizing existing systems through performance tuning and code refactoring. This full-time position offers competitive compensation and requ ...

Senior FX Risk Engineer – Real Time Trading Data

Wise in Greater London is seeking a Software Engineer to join the Treasury FX Risk team. You will work on real-time risk calculations, ensuring scalability and reliability of the exchange rates infrastructure. Ideal candidates possess strong technical skills in Java and Spring Boot, excellent communication, and ...

Senior Software Engineer Hybrid Payments Platform

Checkout.com is seeking a Senior Software Engineer based in Greater London. The ideal candidate will have a Bachelor's or Master's in Computer Science and proficiency in C# .NET, Java, or Go. Responsibilities include collaborating with teams to design scalable systems and writing high-quality code. Benefits incl ...

Senior CD Platform Engineer — Scale with Spinnaker

A global technology company is seeking a Senior Software Engineer to enhance the Continuous Delivery (CD) Platform. You will be integral in building a reliable infrastructure using your expertise in Java, cloud platforms, and containerization technologies. This role includes responsibilities such as managing the ...

Real Time ML Engineer – Scalable Systems

Quantcast Corporation is seeking a graduate to join their Machine Learning team in Greater London. The role involves designing, coding, testing, and debugging ML applications that handle millions of requests in real-time. Qualified candidates should have a Computer Science degree and fluency in program ...

Senior Robotics Software Engineer — Motion Planning Remote

A robotics software company in the UK is seeking an experienced robotics software engineer to develop algorithms and support clients in implementing advanced robotic systems. Applicants should have over 5 years of experience with coding, particularly in Java, and must be proficient in working with industrial rob ...

Senior Software Engineer Full Stack (React/ASP.NET Core)

Java Script Works is looking for a Senior Software Engineer based in London, United Kingdom. The ideal candidate should have strong knowledge of ASP.NET Core and experience with frontend frameworks such as React and Vue.js. This full-time position offers a competitive compensation package. Please note that visa ...

Senior Backend Engineer — TypeScript & Python

Java Script Works is looking for a Senior Software Engineer (Backend) based in London, UK. The role focuses on managing the backend with technologies like TypeScript, Express, and Python while working with Neo4j for database management. A competitive salary range of £100K - £140K is offered for this full-time ...

Fintech Frontend Support Engineer — Angular & ASP.NET MVC

Java Script Works is seeking a Support Engineer to join their team in London, United Kingdom. This full-time role involves both frontend and backend development responsibilities using technologies such as HTML5, JavaScript, Angular.js, CSS3, and ASP.NET MVC. The ideal candidate will demonstrate experie ...

Production Database Engineer: Automations & Resilience

Palantir Technologies is seeking a Database Operations Engineer to automate database deployments and maintain operational excellence in production systems. This role involves troubleshooting, managing large-scale migrations, and collaborating with engineering teams. Ideal candidates will have strong coding skill ...

Salesforce & React Native Hybrid Engineer – London

A technology services firm is seeking Salesforce & React Native Specialists in London for a 12+ month contract role. You will support development teams with client projects, requiring expertise in Salesforce and/or React Native. Candidates should be proficient in Java, TDD, RESTful API design, and familiar with ...

Backend Engineer Scalable Payments Platform (Event Driven)

Limelight Health is seeking a Product Engineer to join their team in Greater London. The position involves designing scalable services and collaborating with various teams for global payment platform expansion. Ideal candidates should have experience with Java 8+, Spring framework, and a strong underst ...

Senior Applied Scientist, Supply Chain Optimization (AI/ML)

Amazon UK Services Ltd. is looking for a Sr. Applied Scientist in Supply Chain Optimization to implement cutting-edge OR/ML techniques. This full-time position requires a Master's degree and experience in programming languages such as Java, C++, and Python, along with expertise in machine learning and deep learn ...

Senior Implementation Consultant — Hybrid Delivery Leader

Xceptor is seeking a Senior Implementation Consultant in Greater London to manage client relationships through project delivery in the financial services sector. This position involves requirements gathering, solution design, and ensuring successful implementation. The ideal candidate will hold a relevant degree ...

Full Stack Engineer: Angular UI & High Performance APIs

Java Script Works in London is seeking a Full Stack Software Engineer to contribute to rendering performance and API response times. You will design and build reusable UI components using Angular and TypeScript, while helping to maintain high-performance backend systems. This full-time role offers a co ...

Front End Engineer Hyperscale Cloud Console (London)

Java Script Works is seeking a Front End Software Engineer based in London, UK. This full-time position requires strong skills in modern JavaScript frameworks such as ES6+, TypeScript, and Node.js. The ideal candidate will have professional experience in front-end development and familiarity with cloud-based com ...

Field Deployment Software Engineer for Autonomous Systems

A leading defence technology company in the UK is seeking a Deployed Software Engineer to implement their technology with customers. The role involves travelling to customer sites, writing code, and collaborating with engineers. Ideal candidates will have a degree in a relevant field and strong programming skill ...

Senior CD Platform Engineer — Scale with Spinnaker

A global technology company is seeking a Senior Software Engineer to enhance the Continuous Delivery (CD) Platform. You will be integral in building a reliable infrastructure using your expertise in Java, cloud platforms, and containerization technologies. This role includes responsibilities such as managing the ...

Fintech Software Engineer – Payments & Cloud

Edenred is seeking a Software Engineer in London to contribute to the design and development of innovative fintech solutions. The candidate should have strong Java 8+ and SQL skills, familiarity with Spring Boot and RESTful API development, and a collaborative attitude. Key responsibilities include developing pl ...

Senior Cloud Security & Infra Engineer (AWS)

Java Script Works is seeking a Senior Software Engineer in Greater London to design, develop, and deploy cloud infrastructure on AWS utilizing technologies like CloudFormation, CDK, and Terraform. The ideal candidate will have expertise in Node.js, TypeScript, and NestJS, alongside a strong focus on implementing ...

Senior Backend Architect — Global Cloud Native SaaS

A leading cybersecurity company in London is seeking an experienced Backend Engineer to architect and design systems for a massive distributed network. The role demands at least 6 years of developing high scale SaaS microservices, proficient in Java, Go, or Spring Boot, and fluent in PostgreSQL, MongoDB, and Red ...

Global Developer Marketing & Ecosystem Lead

Cloud & Smart Industries Group (CSIG) is the core driving force behind Tencent's AI commercialization. We lead the company’s AI strategy, turning cutting-edge AI technologies into real-world solutions that redefine industries. By integrating AI with cloud and cybersecurity, we build intelligent systems that t ...

Lead Product Developer – Food & Beverage

ASR Group in Greater London seeks a Product Development Manager to lead technical aspects of product development and manage scale-up trials. You will bridge customer engagement with technical teams, ensuring alignment across projects while maintaining compliance and quality. The ideal candidate has a s ...

ServiceNow Lead Developer & Platform Architect

Worldpay is seeking a ServiceNow Development Lead to join our evolving ServiceNow Platform team. This role involves leading and mentoring a team of ServiceNow Engineers, ensuring high standards in technical leadership and accountability. Your responsibilities will include driving agile delivery process ...

PHP Technical Architect Lead Developer

PHP Technical Architect Lead Developer Our client is a specialist digital company with offices in City London. We are looking to recruit a PHP Technical Architect Lead Developer. Responsibilities Write specifications and work alongside project managers on various projects. ...

Lead Developer Advocate, Creator Platform

London, England, United Kingdom Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the ...

Python Developer / Technical Lead Music

Python Developer / Technical Lead London / WFH to £70kAre you a full stack technologist with technical leadership experience?You could be progressing your career at a global, not-for-profit organisation that help to protect the rights and revenue of record producers and music artists, ens ...

Associate Director, Lead Software Developer

Job Description WHAT IS THE OPPORTUNITY? The primary purpose of this role is to be a Lead Software Developer within the FX Cash Trade Processing team. The FX Cash Trade Processing systems are a critical backbone of RBC’s FX Cash trading & bring exposure to multiple groups both fr ...

Lead Developer – VP – XVA Technology

Quant Developer – Trading Analytics – Equity Derivatives Tech Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few ...

Associate Director, Lead Software Developer

Job Description WHAT IS THE OPPORTUNITY? The primary purpose of this role is to be a Lead Software Developer within the FX Cash Trade Processing team. The FX Cash Trade Processing systems are a critical backbone of RBC’s FX Cash trading & bring exposure to multiple groups both fr ...

Lead Developer – VP – XVA Technology

Quant Developer – Trading Analytics – Equity Derivatives Tech Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few ...

Python Developer / Technical Lead Music

Python Developer / Technical Lead London / WFH to £70kAre you a full stack technologist with technical leadership experience?You could be progressing your career at a global, not-for-profit organisation that help to protect the rights and revenue of record producers and music artists, ens ...

AI Architect & Senior Developer Lead

USS is looking for a Senior Analyst Developer - AI Lead to provide technical guidance and architectural oversight for AI solutions while collaborating with various teams within the organization. This role involves defining standards, validating designs, and supporting the safe adoption of AI technologi ...

Senior Analyst Developer AI Lead

About the role In your role as Senior Analyst Developer - AI Lead you will make a meaningful and valued contribution from the outset. This role will provide a great opportunity to provide technical guidance and architectural oversight for AI Technical solutions within USS, primarily focusing on th ...

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