172,216+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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Linux Software Engineer

ALTEN is a global engineering and technology consultancy operating across 35 countries to deliver innovative engineering solutions that drive technological advancement & sustain transformation. As a Backend Software Engineer in London, you will design, build and support high‑reliability sof ...

Automation QA Engineer

About Us:At Dabster, we specialize in connecting top talent with leading global companies. We are currently seeking a skilled Automation QA Engineer to join our client's dynamic technology team in London. Our mission is to be the foremost recruitment specialist in securing except ...

Automation QA Engineer

About Us:At Dabster, we specialize in connecting top talent with leading global companies. We are currently seeking a skilled Automation QA Engineer to join our client's dynamic technology team in London. Our mission is to be the foremost recruitment specialist in securing except ...

Founding Engineer | Cybersecurity

Series A Cyber Security Startup | Well-Funded | Elite Team We’re working with a Series A cyber security startup tackling genuinely hard problems in a critical, fast-growing market. The company has moved beyond idea-stage, has real traction, real customers, and serious momentum — now ...

Software Engineer III Android Engineer JPM Personal Investing Mid Level

As a Senior Android Engineer in the Android team at Nutmeg, you will play a key role in advancing our mobile platform. You’ll drive architectural improvements, support our migration to MVVM and Hilt, and help modularise our app for white‑labelling solutions. You’ll collaborate with cross‑functional teams t ...

Senior Software Engineer, Business Pricing

Senior Software Engineer, Business Pricing Full-time Compensation: GBP 85,000 - GBP 105,000 - yearly Wise provides a global technology platform for moving and managing money. Our mission is to make payments easier and cheaper. Responsibilities < ...

Engineering Manager

This is your chance to drive the engine behind Virgin Red. You’ll shape the systems that power customer experiences, while building and growing teams who love what they do. This is a hands‑on leadership role for someone who still enjoys the craft, is curious about what’s next, and knows how to turn ...

Full Stack Developer

B2B SaaS | Pioneering Web Accessibility App | Angular, .Net, C#, ASP, SQL, OOO Programming, Python, API About EnableAllWe’re on a mission to make the web more accessible to people with disabilities and neurodiversities. Our AI-powered platform helps eCommerce businesse ...

Full Stack Developer

B2B SaaS | Pioneering Web Accessibility App | Angular, .Net, C#, ASP, SQL, OOO Programming, Python, API About EnableAllWe’re on a mission to make the web more accessible to people with disabilities and neurodiversities. Our AI-powered platform helps eCommerce businesse ...

Customer Support Engineer (f/m/d)

About The Opportunity Contentful’s Customer Support Engineers (f/m/d) are at the forefront of our efforts to assist customers who are building amazing websites, apps, and other digital experiences using cutting‑edge technologies. Working directly with developers from our customers, our en ...

Senior Software Engineer

About the Role We’re looking for a Senior Software Engineer to join our fast-growing team. This role is open to candidates based within a commutable distance (generally up to 1.5 hours) of our Oxford office. We embrace flexibility in where and how work gets done and also value meaningful ...

Senior QAT Analyst

Senior QAT AnalystRemote£440 per day inside ir356 months durationActive SC clearance requiredWe are currently seeking an experienced Senior QA Test Analyst to join a high-profile digital transformation programme within a secure government environment.This is an exc ...

Senior QAT Analyst

Senior QAT AnalystRemote£440 per day inside ir356 months durationActive SC clearance requiredWe are currently seeking an experienced Senior QA Test Analyst to join a high-profile digital transformation programme within a secure government environment.This is an exc ...

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 ...

Senior Penetration Tester

Description Starling is the UK's first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Read more about Our Story here.We're a f ...

Front end Engineer

Who we're looking forWe are looking for a passionate and talented Front-end Engineer with significant experience building web applications with TypeScript and React.js. You should have a minimum of 3 years of commercial experience, a positive attitude, and a passion for building high-q ...

Front end Engineer

Who we're looking forWe are looking for a passionate and talented Front-end Engineer with significant experience building web applications with TypeScript and React.js. You should have a minimum of 3 years of commercial experience, a positive attitude, and a passion for building high-q ...

CG DWP Lead Software Engineer

Lead Software Developer || Experience within UK central government required  Remote with ad-hoc travel to Manchester   The Company  At Amber Labs, we are a ...

CG DWP Lead Software Engineer

Lead Software Developer || Experience within UK central government required  Remote with ad-hoc travel to Manchester   The Company  At Amber Labs, we are a ...

FX Technology – Cross Border Payments Developer (AVP)

FX Technology – Cross Border Payments Developer (AVP) About Citi As the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around the globe, we are an inter ...

Senior Software Engineer, Android Backup Server

Senior Software Engineer, Android Backup Server London, UK Qualifications Bachelor’s degree or equivalent practical experience. 5 years of experience with software development in one or more programming languages. 3 years of experience testing, maintain ...

Lead Software Engineer Backend Engineer Chase UK

Lead Software Engineer – International Consumer Bank At JPMorgan Chase, we aim to transform digital banking through intuitive and enjoyable customer journeys. As part of the International Consumer Bank, you will deliver outstanding banking experiences for customers while collaborating with ...

Senior Generative AI Architect

Senior Generative AI Architect – London, UK – Hybrid work mode Skills: 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++. Job Description The Senior Generative AI Archit ...

Senior Generative AI Architect

Overview Job title: Senior Generative AI Architect Location: London, UK Skills: 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++. Job Description The Senio ...

Lead Developer – SC or DV Cleared (Azure /.NET / Microservices)

SC or DV Cleared Lead Developer (Azure / .NET / Microservices)Location: London / Manchester / Bristol / Glasgow (Hybrid) Clearance: Active SC Clearance (essential) Rate: £550-6500 per day (Inside IR35) The Opportunity<b ...

Lead Developer – SC or DV Cleared (Azure /.NET / Microservices)

SC or DV Cleared Lead Developer (Azure / .NET / Microservices)Location: London / Manchester / Bristol / Glasgow (Hybrid) Clearance: Active SC Clearance (essential) Rate: £550-6500 per day (Inside IR35) The Opportunity<b ...

Senior Penetration Tester

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Read more about Our Story here.We’re a fully licensed UK bank with the ...

Senior Penetration Tester

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Read more about <a href= ...

Senior Penetration Tester

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Read more about Our Story here.We’re a fully licensed UK bank with the ...

Senior Penetration Tester

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Read more about <a href= ...

Senior Backend Engineer Node.js & Cloud Microservices 4mo

Java Script Works is seeking a skilled Senior Backend Engineer based in London, United Kingdom. You will leverage your strong Node.js expertise to design, build, and optimize cloud-native microservices in a dynamic environment. This full-time position offers a 4-month contracting period with the possib ...

FI/FX Trade & Transaction Analyst — Investment Banking

Talan is seeking a Business Analyst in London, UK, to focus on trade and transaction reporting, particularly in FI, FX, and e-commerce. The ideal candidate will have strong knowledge of financial markets and regulations, along with experience in trade flows and systems. Experience with .Net, Java, and Python is ...

Data Engineer — Hybrid London, GCP & BigQuery

A leading digital media group is seeking a Data Engineer to join their London team. The role involves designing scalable data pipelines, automating workflows, and supporting data modelling for analytics. Ideal candidates should have strong SQL, proficiency in Python or Java, and cloud experience (preferably GCP) ...

Staff Backend Engineer (FinTech) Bangkok Relocation

A leading online travel platform is seeking a Staff Software Engineer (FinTech) to design robust backend systems and scalable data pipelines. The ideal candidate has over 8 years of experience with Java, Kotlin, Scala, or C# and a passion for software craftsmanship. This role offers an opportunity to influence A ...

Engineering & Architecture Lead – AI Driven Platform

A global financial services firm is seeking an Engineer/Architect to join their Loans enablement Platform team. The role requires significant experience in software development, particularly in full-stack environments with proficiency in Java and SQL. Responsibilities include leading architecture design, mentori ...

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 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 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 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 ...

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 ...

New Grad FDSE: Build AI Driven Solutions for Impact

A forward-thinking technology company in London is seeking a Forward Deployed Software Engineer to tackle complex problems and collaborate with customers. This role requires a strong engineering background and proficiency in programming languages such as Python or Java. You will work with large-scale data and AI ...

Senior Edge & CDN Software Engineer (CloudFront)

Amazon is seeking a Senior Software Development Engineer for its AWS Cloudfront team in London. This role requires leading architecture for scalable solutions, mentoring engineering teams, and collaborating on innovative technology challenges. Ideal candidates will have programming experience in Java, C++, or C# ...

AI Engineer Build AI Powered Customer Conversation Platform

Java Script Works is looking for an AI Engineer in London. This full-time position requires 3-5 years of experience with a focus on backend development using Python and FastAPI as well as frontend development with TypeScript and React. You will work in an innovative environment, improving customer conversation p ...

Data & AI Cloud Architect — AWS Pro Services

A leading technology consultancy in London is looking for a Data & AI Cloud Architect to join their AWS Professional Services team. The successful candidate will have experience in governance, streaming architectures, and Open Table Formats. Proficiency in programming languages such as Python, Java, or Scala alo ...

AI Engineer – Deploy & Integrate Production AI

Java Script Works is looking for an AI Engineer in London, United Kingdom. This role emphasizes deploying and integrating AI models into production environments, utilizing Python or TypeScript. Ideal candidates are experienced software engineers with strong knowledge of Python and/or TypeScript. Compen ...

AWS Cloud Backend Engineer — TypeScript

Java Script Works is hiring a Backend TypeScript Programmer in London, United Kingdom. This full-time role involves joining a cloud services development team focused on industrial workflow and process management systems. Candidates should have a strong computer science background and experience in technologies l ...

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 ...

Backend Engineer – Auth & Authorization Platform

Ripple in London is seeking a Software Engineer II to enhance its Authentication & Authorization platform. You will focus on building identity solutions while actively participating in design discussions and code reviews. This role requires backend engineering experience, particularly in Golang or Java ...

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 ...

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