182,796+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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Platform Engineer: Backend Java for Data Fabric

A leading consultancy firm is looking for a Backend Java Developer for a hybrid role in London. You will build core backend services for a Data Fabric platform, implementing rule engines and working with SQL parsing and distributed data systems. Ideal candidates should have strong experience in Java (17/21), Spr ...

Senior WordPress Backend Engineer PHP, Gutenberg

Java Script Works is looking for a skilled developer to create enterprise-level WordPress plugins and themes primarily using PHP and React.js. The successful candidate will drive strategy in collaboration with multiple disciplines and lead the technical vision on large-scale projects. Experience with headless Ja ...

Senior Java Architect – Equity Finance & Trading Systems

Join 3761 Barclays - BX - UK in London as an Equity Finance Senior Developer/Architect. You will lead the design and implementation of scalable, event-driven trading systems using Java and Kafka, and collaborate closely with various stakeholders. The role requires strong coding expertise, architectural ...

Engineering Lead, API Experience & Developer Platform

A global technology company is seeking an experienced Engineering Lead to manage a team focused on creating a robust API experience. The role involves enhancing security measures and improving developer tools, ensuring a world-class user experience. Candidates should possess deep empathy for users, strong Java s ...

Back End Developer

Senior Back-End Developer (Java Microservices) Duration: 12 months Location: London, UK Working hours: Full time Onsite requirements: 4 days in the office Day Rate / Hourly Rate: £84.39 per hour PAYE (inclusive of holid ...

Senior Java Engineer Algorithmic Trading Platform

United States Digital Space LLC is seeking a talented Java developer to join the Helix Technology team, focusing on financial trading and execution systems. The role requires strong development experience in Java and a minimum of 5 years relevant software development. Key responsibilities include manag ...

12 Month Internship FX IT Developer

Job descriptionBusiness typeTypes of Jobs - IT, Digital et Data Job title12 Month Internship - FX IT Developer Contract typeInternship/Trainee Term (in months)12 Months ...

12 Month Internship FX IT Developer

Job descriptionBusiness typeTypes of Jobs - IT, Digital et Data Job title12 Month Internship - FX IT Developer Contract typeInternship/Trainee Term (in months)12 Months ...

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 ...

Head of Software Engineering

Get AI-powered advice on this job and more exclusive features. Associate Director @ Opus Recruitment Solutions | Shaping the Future of Tech firms (JVM - Java, Scala & Kotlin) Head of Software Engineering | £180k – Java, Machine Learning and Data Driven I am working with an innovative te ...

Lead Python Web Developer in London Quant Capital

Lead Python Web Developer London, United Kingdom Posted 11 months ago Tech stack Python Django Analyst web Investment Framework Derivatives C JavaScript Development Experience < ...

Software Engineer III AI ML in London JPMorgan Chase & Co.

Software Engineer III - AI ML London, UnitedKingdom Posted 10 months ago Company JPMorgan Chase & Co. Tech stack Artificial Intelligence TypeScript Python Java Software Engineer Description ...

Lead Full Stack Developer — Cloud SaaS Architect

Java Script Works is looking for a Lead Full Stack Developer in Greater London. This senior consultant role requires in-depth JavaScript knowledge and experience with cloud services such as AWS, Azure, and GCP. Candidates must demonstrate top-notch communication skills and have a solid understanding of the softw ...

Java Software Engineer Cloud Microservices (London)

JD.com is seeking a Software Developer to lead features for the Joybuy online shopping platform in London. Ideal candidates will have 3+ years of software development experience and expertise in Java and Kotlin. Your role will involve designing scalable software components and collaborating within a dy ...

Senior Software Engineer – Regulatory News Platform

United States Digital Space LLC is seeking a Senior Developer for its Regulatory News Service team in London. The role involves full lifecycle Agile development, from requirements analysis to coding and testing. You will lead the delivery of technical solutions while enhancing user experiences. Ideal c ...

Senior Software Engineer – Regulatory News Platform

United States Digital Space LLC is seeking a Senior Developer for its Regulatory News Service team in London. The role involves full lifecycle Agile development, from requirements analysis to coding and testing. You will lead the delivery of technical solutions while enhancing user experiences. Ideal c ...

Software Engineering Team Lead

Overview Lead Crypto Software Engineer – Front-Office role in the Digital-Markets Group, London (5 days on-site). Package to £180k + bonus. About the firm For ten years this boutique digital-asset powerhouse has been laying the tracks that institutional money runs on. Its three eng ...

Senior ETRM Platform Developer for Trading Lifecycle

Castleton Commodities International, LLC is looking for a Senior ETRM Application Developer. You will be responsible for building and enhancing applications that support the entire commodities trading lifecycle. The role involves designing services, data pipelines, and implementing production support for trad ...

Senior Java Engineer, Low Latency Payments Systems

A dynamic technology consulting firm based in the UK is on the lookout for an experienced Java Developer. The role requires expertise in Core Java and SpringBoot, focusing on developing high-throughput systems in the payments processing domain. Responsibilities include designing and optimizing backend systems, b ...

Backend Architect: Java Spring Boot on GCP (Hybrid, London)

Methods Business and Digital Technology is looking for a Back End Developer specializing in Java Spring Boot and Google Cloud Platform to join our team. This hybrid role requires 3 days a week in the London office, focusing on architectural rebuilds and system reliability. The ideal candidate will have ...

Senior Java Backend Architect Live Casino Microservices

Eeze Entertainment Malta Limited is seeking a Senior Java Developer to join their Core Platform Team in Greater London, UK. This crucial role involves architecting and developing backend systems that support high-concurrency gameplay and real-time interactions for their Live Casino platform. Candidates should ha ...

Java Programmer Required in Germany Without IELTS

Job highlightsDegree in Computer Science or related field with experience in user interface design and database structuresDesign and implement Java-based applications, analyze user requirements, define application objectives, and align design with business goals<st ...

Java Programmer Required in Germany Without IELTS

Job highlightsDegree in Computer Science or related field with experience in user interface design and database structuresDesign and implement Java-based applications, analyze user requirements, define application objectives, and align design with business goals<st ...

Senior FIX Onboarding Specialist Java / Python Lead Software Engineer

As a Senior FIX Onboarding Specialist at JPMorganChase within the CIB - Equities LOB, you are an integral part of the team that is responsible for managing and facilitating the onboarding process for clients using the Financial Information Exchange (FIX) protocol. This role typically involves working close ...

Lead Software Engineer — Java/Python in Risk Data Platform

A leading global financial institution in Greater London is seeking a Lead Software Engineer to design and enhance data engineering solutions within the Corporate Risk Technology team. This role requires proficiency in programming languages like Java and Python, as well as experience with large-scale data proces ...

Lead Software Engineer – Hybrid/ Flexible (Java/React, Cloud & DevOps)

A leading defense and technology company in Greater London is seeking a Lead Software Engineer to oversee projects and mentoring. You will have a significant role in designing and maintaining systems that have real-world impacts. Preferred candidates will have strong experience in Java for backend development an ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

Job DescriptionJoin us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering ...

Senior FIX Onboarding Specialist Java / Python Lead Software Engineer

Job Description As a Senior FIX Onboarding Specialist at JPMorganChase within the CIB - Equities LOB, you are an integral part of the team that is responsible for managing and facilitating the onboarding process for clients using the Financial Information Exchange (FIX) protocol. This role typical ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

Job Description Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collab ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where ...

Lead Java Backend Engineer: AI & Event Driven FX Systems

Citi is seeking an experienced software engineer to design, develop, and maintain high-performance Java services. This role will involve applying modern backend design principles, including Domain-Driven Design, while collaborating with cross-functional teams to address complex business needs. Successf ...

Hybrid Backend Engineer (Java/Kotlin) on AWS | Lead & Mentor

A leading software company in London is seeking a Backend Software Engineer/Developer proficient in Java and Kotlin to join their team. This role offers a hybrid work-from-home flexibility and the opportunity to work with emerging technologies. Candidates should have strong experience in server-side development ...

Hybrid Ready Java Engineering Lead – AI Driven FX Backends

Citigroup Inc. is seeking a Core Engineering Java Development Lead in London to engineer the future of global finance. This hands-on role is for a Java expert focused on building high-quality, scalable services and shaping technical direction. Key responsibilities include designing scalable Java servic ...

AI Powered Lead Java Engineer for Data Intense Platforms

Requirements 12+ years of hands-on backend software engineering experience ,Support the organisation’s AI adoption journey. Develop and enhance intelligent solutions using LLMs, LangChain/LangGraph, and agentic AI frameworks ,Establish engineering best practices for safe, sc ...

Lead Java Engineer Real Time Payments & Kafka on Azure

Cognizant is seeking a Lead Java Engineer in Greater London to support a major Payments modernisation programme. This role involves designing and building a new event-driven platform, working closely with stakeholders on real-time FX flows. The ideal candidate will have proven experience in microservic ...

Senior Lead eSoftware Engineer Equities Algo Trading Java VP

Senior Lead Software Engineer - Equities Algo Trading - Java - VP Location: London, United Kingdom Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Senior Lead Software Engineer a ...

Lead Java Engineer for Sterling OMS & SIP (6 mo)

Mindera is looking for an experienced Java Engineer to join the team in Greater London. This role requires strong expertise in IBM Sterling Order Management System and Sterling Intelligent Promising. The responsibilities include designing and developing custom Java components, implementing workflows, and integra ...

Java Sr Lead eSoftware Engineer Equities Algo Trading VP

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology Organization, you are an integral part of an agile team that works to enhance, build, and deliver trus ...

Senior FIX Onboarding Specialist Java / Python Lead Software Engineer

As a Senior FIX Onboarding Specialist at JPMorganChase within the CIB - Equities LOB, you are an integral part of the team that is responsible for managing and facilitating the onboarding process for clients using the Financial Information Exchange (FIX) protocol. This role typically involves working close ...

Senior FIX Onboarding Specialist Java / Python Lead Software Engineer

Job Description As a Senior FIX Onboarding Specialist at JPMorganChase within the CIB - Equities LOB, you will lead the onboarding process for new clients and partners using the Financial Information Exchange (FIX) protocol. Your role involves working closely with clients, internal teams, ...

Java Sr Lead eSoftware Engineer Equities Algo Trading VP

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology Organization, you are an integral part of an agile team that works to enhance, build, and deli ...

Java Sr Lead eSoftware Engineer Equities Algo Trading VP

Java Sr Lead eSoftware Engineer - Equities Algo Trading - VP LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Commercial & Investment Bank Posting Date 06/08/2026, 01:21 PM </l ...

Java Sr Lead eSoftware Engineer Equities Algo Trading VP

JOB DESCRIPTION We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology Organization, you are an integral part of an agile team that works t ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

JOB DESCRIPTION Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a colla ...

Senior FIX Onboarding Specialist Java / Python Lead Software Engineer

JOB DESCRIPTION As a Senior FIX Onboarding Specialist at the company within the CIB - Equities LOB, you are an integral part of the team that is responsible for managing and facilitating the onboarding process for clients using the Financial Information Exchange (FIX) protocol. This role typicall ...

Senior FIX Onboarding Specialist Java / Python Lead Software Engineer

As a Senior FIX Onboarding Specialist at JPMorganChase within the CIB - Equities LOB, you are an integral part of the team that is responsible for managing and facilitating the onboarding process for clients using the Financial Information Exchange (FIX) protocol. This role typically involves working closely ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where yo ...

Java Sr Lead eSoftware Engineer Equities Algo Trading VP

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology Organization, you are an integral part of an agile team that works to enhance, build, and deliver t ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where yo ...

Java Sr Lead eSoftware Engineer Equities Algo Trading VP

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology Organization, you are an integral part of an agile team that works to enhance, build, and deliver t ...

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    Lead Java Application Developer Java Web Tech Jobs in London Job Search Guide, Trends and Insights