150,787+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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Solutions Engineer (EMESA South)

Requirements 3+ years in a previous Solutions Architect, Solutions Consultant or Solutions Engineering role for a B2B vendor A track record of providing solutions and engaging with technical (e.g developer and architect) customer personas Excellent communication skills a ...

Senior Software Engineer

G MASS are currently looking for an experienced Software Engineer to join a leading Investment Manager client. This role sits within a core engineering team at the centre of a highly quantitative investment environment, supporting the technology and data platforms that underpin systematic trading strategie ...

Senior Software Engineer Regulatory News

ROLE SUMMARY We’re hiring a Senior Developer to join the Regulatory News Service team in London. For over 300 years, the London Stock Exchange has produced detailed market information for companies and investors, technological innovations have transformed this service from a twice-weekly pap ...

Senior Software Test Engineer

**Join us at Entrust ** At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. <b ...

Oracle Xstore Technical Analyst / Consultant

Retail POS Implementation, Customisation and Production Support Oracle Xstore Technical Analyst/Consultant to support end to end retail POS implementation, customisation and production support across multi country store environments. The role suits a hands on specialist with deep Xstore exp ...

React Developer

I'm working with a well-funded startup who are hunting for a React Developer to join their team near Liverpool Street. They're at an exciting time right now as they're popular in the UK market but would eventually like to be a global brand. To do this they'll be adding new features and ensuring their e ...

React Developer

I'm working with a well-funded startup who are hunting for a React Developer to join their team near Liverpool Street. They're at an exciting time right now as they're popular in the UK market but would eventually like to be a global brand. To do this they'll be adding new features and ensuring their e ...

Senior Software Engineer Regulatory News

ROLE SUMMARYWe’re hiring a Senior Developer to join the Regulatory News Service team in London. For over 300 years, the London Stock Exchange has produced detailed market information for companies and investors, technological innovations have transformed this service from a twice-weekly pap ...

Lecturer in Computing Science

Role: Lecturer (Computing Science) Location:  London: Holborn, Fitzrovia, Southall, Wembley, Kingsbury and Harrow ( must be flexible to travel to all our campus locations ) Salary:  Up to £50,000 per annum subject to skills and experience.Start Date:  September 2026 Re ...

Lecturer in Computing Science

Role: Lecturer (Computing Science) Location:  London: Holborn, Fitzrovia, Southall, Wembley, Kingsbury and Harrow ( must be flexible to travel to all our campus locations ) Salary:  Up to £50,000 per annum subject to skills and experience.Start Date:  September 2026 Re ...

Staff Software Engineer Warehousing Blue Yonder Dispatcher

As part of the M&S Software Engineering team, you’ll be joining a well‑loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company’s core and technology leaders that truly understand software engineers ...

Senior Python Developer

Get AI-powered advice on this job and more exclusive features. This range is provided by Tech4. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Tech4 Senior Python Deve ...

Senior Software Engineer – Full Stack (AWS/TypeScript/React)

Java Script Works is seeking a Senior Software Engineer based in London, United Kingdom. In this full-time role, you'll work in a dynamic environment, contributing to both backend and front-end development. Proficiency in the JavaScript ecosystem, along with experience in Node.js, React, TypeScript, and React Na ...

Senior Software Engineer — Platform Core (TypeScript/React)

Java Script Works is seeking a Senior Software Engineer located in London, United Kingdom. The role involves contributing to the rebuild and refinement of our core platform and writing clean, scalable code using TypeScript, React, and SQL. The ideal candidate will collaborate cross-functionally and des ...

Senior Software Engineer: Lead & Mentor on Scalable Systems

A leading insurance provider in Greater London is seeking an experienced software engineer proficient in JAVA, .NET, and JavaScript. The role involves consulting with users, guiding teams, and developing innovative software solutions. Candidates must possess a strong programming background and be familiar with A ...

Senior Data Engineer C/FICCO Data, Real Time & APIs

An international trading firm in London seeks a Data Engineer to collaborate with teams and deliver data solutions. You will manage data products from concept through production, ensuring high quality and reliability. The ideal candidate has over 2 years of experience in Python, Java, or C++ and is familiar with ...

Senior Cloud Architect AWS, Microservices, CI/CD Leader

A national recruiting firm is looking for a Sr. Technical Recruiter in London. The ideal candidate will have deep knowledge of AWS, Java, and experience managing technical projects. Responsibilities include leading development teams, coordinating project management activities, and acting as a liaison with client ...

Low Latency Production Systems Engineer – London

Dex is seeking systems engineers in London to build and operate low-latency production systems, ensuring the reliability of critical infrastructure and working with distributed systems. Candidates should have strong systems engineering experience and proficiency in languages like Python, C++, Go, Rust, or Java. ...

Solution Engineer: Observability & Cloud Pre Sales

LinuxRecruit is in search of a bright Solution Engineer to reshape how clients interpret observability metrics. The ideal candidate will seamlessly combine technical skills with customer advocacy to engage with both developers and executives. Proficiency in programming languages like Java, Go, or Python, along w ...

Lead Product Engineer TypeScript & Serverless

Java Script Works is seeking a skilled engineer with a strong expertise in Typescript and serverless architecture to join their team. This role focuses on product work, offering the opportunity to shape and develop innovative solutions. Candidates should have hands-on experience with Firebase and React ...

Frontend Product Engineer (React/TypeScript)

Java Script Works is looking for a Product Engineer (Front End) based in London, United Kingdom. This full-time role requires expertise in React, React Native, and TypeScript, focusing on end-to-end feature delivery in a production environment. The ideal candidate will collaborate closely with product ...

Computing Teacher: Inspire Practical Coding & Projects

Java Script Works is looking for a Computing Teacher to join an outstanding school in Harrow. The position is full-time and aims to ensure that students gain strong technical skills in Python and JavaScript. The role will involve encouraging practical projects and supporting extracurricular activities, ...

Software Engineer – TypeScript SaaS for Data Simulations

Java Script Works is seeking a Software Engineer in London to develop B2B SaaS products using TypeScript and JavaScript. The role involves creating solutions for major brands, working closely with product and commercial teams. Candidates should have experience with PostgreSQL and deploying on Google Cloud Platfo ...

Lead Python Software Engineer – Asset Management Data Platform

Join us to shape the future of data and analytics at JPMorgan Chase. You'll design and deliver technology solutions that directly impact our Asset & Wealth Management business. Collaborate with talented colleagues in an inclusive, agile environment where your expertise and ideas are valued. We empower you ...

Senior Software Engineer – Full Stack (AWS/TypeScript/React)

Java Script Works is seeking a Senior Software Engineer based in London, United Kingdom. In this full-time role, you'll work in a dynamic environment, contributing to both backend and front-end development. Proficiency in the JavaScript ecosystem, along with experience in Node.js, React, TypeScript, and React Na ...

UI Architect: Design Systems & React Components

Java Script Works is seeking a full-time UI Architect based in Greater London. The successful candidate will utilize TypeScript, React, and Tailwind CSS to create modular, reusable, and scalable UI components.Responsibilities include architecting component libraries and enforcing design principles. Com ...

Senior Software Engineer — Platform Core (TypeScript/React)

Java Script Works is seeking a Senior Software Engineer located in London, United Kingdom. The role involves contributing to the rebuild and refinement of our core platform and writing clean, scalable code using TypeScript, React, and SQL.The ideal candidate will collaborate cross-functionally and desi ...

Senior Software Engineer: Lead & Mentor on Scalable Systems

A leading insurance provider in Greater London is seeking an experienced software engineer proficient in JAVA, .NET, and JavaScript. The role involves consulting with users, guiding teams, and developing innovative software solutions. Candidates must possess a strong programming background and be familiar with A ...

Lead Software Engineer MLOps

Join us as we transform digital banking and redefine what’s possible for our customers. You’ll have the opportunity to shape the future of financial services, working with cutting-edge technology and a diverse, collaborative team. At JPMorganChase, your curiosity and passion for technology will help us d ...

Lead Software Engineer MLOps

Join us as we transform digital banking and redefine what’s possible for our customers. You’ll have the opportunity to shape the future of financial services, working with cutting-edge technology and a diverse, collaborative team. At JPMorganChase, your curiosity and passion for technology will help us d ...

Delivery Consultant Security, Global ProServe Security

Sr. Delivery Consultant - Security, Global ProServe Security Job ID: | AWS EMEA SARL (UK Branch) The Amazon Web Services Professional Services (ProServe) team is seeking a hands‑on, security‑focused Delivery Consultant to join our team. You will design, build, and implement security sol ...

Senior Solutions Engineer

About SnapLogic SnapLogic is the Agentic Integration Company, integrating AI, data, applications, and microservices into one powerful platform that transforms how enterprises connect, automate, and scale. Unlike legacy integration tools, SnapLogic is built for the AI era and trusted by globa ...

Senior Solutions Engineer

About SnapLogic SnapLogic is the Agentic Integration Company, integrating AI, data, applications, and microservices into one powerful platform that transforms how enterprises connect, automate, and scale. Unlike legacy integration tools, SnapLogic is built for the AI era and trusted by globa ...

Int. ETL Developer with Ai/ML exp to help migrate our banking client's data infrastructure from on premises systems to AWS cloud

Int. ETL Developer with Ai/ML exp to help migrate our banking client's data infrastructure from on-premises systems to AWS cloudDuration: 12 MonthsLocation: Toronto, Hybrid (2-3x/week)Department: Risk Data Technology - Credit Risk Data TeamReports To: ...

Int. ETL Developer with Ai/ML exp to help migrate our banking client's data infrastructure from on premises systems to AWS cloud

Int. ETL Developer with Ai/ML exp to help migrate our banking client's data infrastructure from on-premises systems to AWS cloudDuration: 12 MonthsLocation: Toronto, Hybrid (2-3x/week)Department: Risk Data Technology - Credit Risk Data TeamReports To: ...

Staff Software Engineer (Team Lead) Engine by Starling

At , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is S ...

Staff Software Engineer (Team Lead) Engine by Starling

At , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is S ...

Site Reliability Engineer

Who We AreAt JD.com, also known as JINGDONG, we are building one of the world’s most trusted technology and supply chain ecosystems. What started as a bold idea in China has evolved into a NASDAQ-listed, Fortune 44 global enterprise serving over 700 million active customers. Powered by advanced logistics, innova ...

Full Stack Engineer

Full Stack EngineerConsortia London, England, United Kingdom (Hybrid) I am seeking a Full Stack Developer to join a global asset and wealth management company based in London. My client is an incubated technology team within a global consultancy specialising in wealth management. The ...

Full Stack Engineer

Full Stack EngineerConsortia London, England, United Kingdom (Hybrid) I am seeking a Full Stack Developer to join a global asset and wealth management company based in London. My client is an incubated technology team within a global consultancy specialising in wealth management. The ...

Senior Software Engineer

Salary – 80-110k (based on experience level) + Benefits, share options, L&D budget and more. About the Role Some engineering roles are about shipping tickets. This isn’t one of them. We’re working with a company building genuinely difficult systems at the intersect ...

Quantitative Developer (Global Hedge Fund)

Venture Search have partnered with a top-tier systematic hedge fund, that are looking for a Quantitative Developer to work closely with quantitative researchers and portfolio managers to design, implement, and maintain scalable, high-performance trading and research systems. The role sits at the intersecti ...

Securities Finance Developer (Vice President)

CompanyJefferies, a global investment bank and securities firm, has served companies and their investors for over years. Headquartered in New York City, with offices in more than cities around the world, Jefferies provides clients with capital markets and financial advisory services, instituti ...

Quantitative Developer Graduate

Queueco is looking for a bright & enthusiastic graduate to join the team to learn and develop skills as a quantitative developer specialising in High-Frequency Trading (HFT). You will work closely with traders and researchers to understand exchange architectures, protocols, market data and order en ...

Securities Finance Developer (Vice President)

CompanyJefferies, a global investment bank and securities firm, has served companies and their investors for over years. Headquartered in New York City, with offices in more than cities around the world, Jefferies provides clients with capital markets and financial advisory services, instituti ...

Quantitative Developer Graduate

Queueco is looking for a bright & enthusiastic graduate to join the team to learn and develop skills as a quantitative developer specialising in High-Frequency Trading (HFT). You will work closely with traders and researchers to understand exchange architectures, protocols, market data and order en ...

C# Software Engineer.Net SQL React

C# Software Engineer / Full Stack Developer (C# .Net SQL React) London / WFH to £80kDo you have experience across the full tech stack within a finance environment?You could be progressing your career at a boutique Asset Manager that specialise in Fixed Income markets and have multi-billio ...

Full Stack Engineer C#.Net SQL React Finance

Full Stack Engineer / Developer (C# .Net SQL React) London / WFH to £80kDo you have experience across the full tech stack within a finance environment?You could be progressing your career at a boutique Asset Manager that specialise in Fixed Income markets and have multi-billion dollars un ...

Full Stack Engineer C#.Net SQL React Finance

Full Stack Engineer / Developer (C# .Net SQL React) London / WFH to £80kDo you have experience across the full tech stack within a finance environment?You could be progressing your career at a boutique Asset Manager that specialise in Fixed Income markets and have multi-billion dollars un ...

C# Software Engineer.Net SQL React

C# Software Engineer / Full Stack Developer (C# .Net SQL React) London / WFH to £80kDo you have experience across the full tech stack within a finance environment?You could be progressing your career at a boutique Asset Manager that specialise in Fixed Income markets and have multi-billio ...

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