126,924+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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Backend Engineer Contract

We’re looking for an experienced backend or data engineer, working on some key technologies within our platform. About Us Since its launch in 2018, Gener8 has been at the forefront of the “open data” movement: the belief that people should be able to control and be rewarded from their own d ...

AI First Android Tech Lead | Hybrid London (1–2 days/wk)

develop is seeking a Tech Lead (Android) to lead mobile engineering in a hybrid setting. You'll play a critical role in setting technical direction and executing best practices, helping shape scalable mobile solutions while promoting an AI-first culture. This position offers a base salary of up to £120k with ...

Frontend Engineer Consumer EV Experience

Octopus Group in Greater London is seeking a passionate Front-end Developer to join their Electroverse team, focusing on building user-friendly features for their electric vehicle charging platform. You will work closely with a dynamic project team to develop front-end solutions that enhance user experience i ...

C# .NET Backend Engineer – Azure, London Hybrid

Xcede Recruitment Solutions is looking for a C# .NET Developer for a contract position in London. The role offers an attractive rate of up to £530 per day inside IR35 and involves 3 days of onsite work per week, contributing to a major enterprise digital transformation programme. Essential qualifications include ...

Python Data Scientist (ML/DS) – UK, Immediate Start

Information Tech Consultants in the UK is seeking a skilled Python Developer for immediate start. The role requires expertise in Data science and machine learning, with 2-5 years of relevant experience. Candidates should be proficient in Python, SQL, and machine learning libraries. This full-time posit ...

AWS Connect Migration Engineer (6 Month Contract)

A tech company in the UK is seeking an AWS Connect Developer for a 6-month contract. This role involves designing and implementing solutions in AWS Connect and migrating telephony workflows from Virtutel. The ideal candidate will have strong experience with AWS services and node-based development. Candidates sho ...

Technology Consultant London

About Sparta Global Embark on a transformative career journey with Sparta Global, where diversity, innovation, and passion for technology converge. We welcome individuals from all backgrounds, offering not just jobs, but dynamic careers in the tech industry. You'll work alongside enthusiastic pro ...

Staff Software Engineer Back End

White Collar Factory (95009), United Kingdom, London, London Staff Software Engineer - Back End About this role Do you love shaping the technical landscape and driving innovation across the organisation? Are you passionate about solving complex business problems and supporting multiple teams toward a shared tech ...

Software Architect Mobile

About Air Apps At Air Apps, we believe in thinking bigger- and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work ...

Senior Technical Analyst

Senior Technical Analyst – Platform Contract | Hybrid | £570pd We're looking for an experienced Senior Technical Analyst to join a large-scale data platform programme, sitting at the intersection of Product, Engineering and Data teams. You'll play a key role in shaping platform c ...

Senior Technical Analyst

Senior Technical Analyst – Platform Contract | Hybrid | £570pd We're looking for an experienced Senior Technical Analyst to join a large-scale data platform programme, sitting at the intersection of Product, Engineering and Data teams. You'll play a key role in shaping platform c ...

Senior Technical Analyst

Senior Technical Analyst – Platform Contract | Hybrid | £570pd We're looking for an experienced Senior Technical Analyst to join a large-scale data platform programme, sitting at the intersection of Product, Engineering and Data teams. You'll play a key role in shaping platform c ...

Senior Software Engineer DataHub Experience & Control Plane

Senior Software Engineer - DataHub Experience & Control Plane Location London Business Area Engineering and CTO Ref # **Description & Requirements** Bloomberg runs on data. Every product, model, chart, alert, workflow, and client-facing insight dep ...

Senior Software Engineer DataHub Experience & Control Plane

Senior Software Engineer - DataHub Experience & Control Plane Location London Business Area Engineering and CTO Ref # **Description & Requirements** Bloomberg runs on data. Every product, model, chart, alert, workflow, and client-facing insight dep ...

Illustrator / Motion & UI Designer

About the job Illustrator / Motion & UI Designer Illustrator / Motion & UI DesignerJoin a fast-moving London-based start-up building products with top influencersRemote | UK working hours | R26,000 - R33,000 per month About Our Client Our client is a creative London-ba ...

Software Engineering Manager

Software Engineering Manager Capital One is looking for a Software Engineering Manager to join us in our London office. You will have previous experience of leading a Software Engineering team and be passionate about people and technical leadership. Responsibilities Be a d ...

Digital Marketing Strategy Analyst

About this role Sensor Tower is hiring a Digital Marketing Strategy Analyst to join our Innovation & Strategy team in EMEA. Our team delivers bespoke, high-impact data solutions and consulting projects to our most strategic clients, helping them maximise the value of Sensor Tower data across mobi ...

Inbound Sales Development Representative London

Inbound Sales Development Representative - London Position Summary Looking to get into tech sales? No tech experience? That’s okay - we’ll teach you everything you need to know through our extensive onboarding program! Harness is looking for individuals who are passionate, driven, smart ...

Test Lead

Overview Get AI-powered advice on this job and more exclusive features. This range is provided by Harvey Nash. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range We’re Hiring: Test Lead (Maternity Cover – ...

Sr Site Reliability Engineer I

At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, commun ...

DevOps Engineer

The DevOps Engineer (Developer Experience) role is key to improving our delivery speed at Trayport as we move towards continuous deployments across our products. Our team in Joule Direct presents the most exciting and challenging work, and the role will join a team that impacts an engineering organization ...

Senior Engineering Manager, Proactive Security

Who We AreJoin us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle complex technical challenges across a global, three-sided marketplace, building and scaling systems that serve millions of custo ...

Lead Software Development Engineer Services

White Collar Factory (95009), United Kingdom, London, LondonLead Software Development Engineer - Services About this role Capital One s mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. Sitting at the core of such values is our Software Engineering department whose ...

Digital Experience Engineering, Vice President

What You Will Be Responsible For ● Lead the architecture, governance, and evolution of enterprise Design Systems, including UI components, design tokens, theming, and reusable patterns. ● Partner closely with UX/UI Design teams to translate design concepts into scalable, consistent, and reu ...

Machine Learning Engineer Core Ads Ecommerce

Machine Learning Engineer - Core Ads Ecommerce Responsibilities Partner with product teams and other engineers to solve Shops Ads business problems through ML Play a critical role in setting the direction and goals for a sizable team, in terms of project impact, ML system design, and ...

Backend Software Engineer – Medtech Innovation

Overview Backend Software Engineer – Medtech Innovation. Join a mission-driven Medtech start-up developing FDA-approved technology used by leading hospitals and life sciences organisations worldwide. This role focuses on powering next-stage innovation and growth through scalable backend systems. < ...

eFX Quant Trader

Your role Is curiosity part of your DNA? Do you have a passion for extracting information out of data? Our goal is to use analytical competences for optimizing a growing electronic FX Trading offering. Responsibilities Generating ideas for enhancements to our current and p ...

Programming Tutor | Part Time Remote Role | Flexible Schedule | £20–£40/hr

FindTutors is one of the leading online education platforms in the UK, connecting students with professional tutors across academic and technical subjects. We help learners at all stages of education build confidence, improve skills, and achieve their goals through personalised learning. About the ...

Quantitative Analyst – Sports betting and prediction markets

Prediction markets is a hot topic right now, use your passion for mathematics, technology and sports and join this growing sports arm of a global quantitative trading firm. A backbone of game theory, you'll have access to a world leading platform here. You'll provide liquidity to bookmakers ...

Senior Data Analyst

We are supporting a global engineering and technology organisation in the search for a Senior Data Analyst to join a team focused on developing and deploying innovative data-driven solutions. Working alongside engineering specialists, software engineers, data professionals, HMI designers, and DevOp ...

Senior DevOps Engineer (Cloud Platform & Site Reliability)

Requirements Career Stage: Senior Associate Demonstrable AWS and Kubernetes (EKS) expertise Hands‑on experience with Terraform, GitLab CI and Bash/Python Orchestration and monitoring tools – Istio, Datadog, Grafana, Prometheus, ELK 4+ years in DevOps or Pla ...

Forward Deployed Engineer Defence Start Up London

Forward Deployed Engineer - Defence Start-Up - London Forward Deployed Engineer required for well backed, fast paced, early-stage defence start-up in London to build and deliver systems for customers that provide value from day one. You won’t just write code, you’ll work directly with users ...

Enterprise Software Engineer

Capstone Investment Advisors, a leading $12 billion asset management firm specializing in derivatives, is seeking an Enterprise Software Engineer to join their technology team in London. You will modernize and maintain BOSS, their proprietary back-office platform, while building new software to streamline ...

Software Developer Market Data C#, SQL, Python

About the Role You will play a key role in developing high-performance backend systems and integrations that process and distribute real-time financial market data. Working within a modern technology stack, you’ll help build scalable APIs, data pipelines, and automation frameworks, ensuring seaml ...

Senior Solutions Architect

Senior Solutions Architect (Consultant) - Transport Programme Contract Hybrid London 6 Months 749/day Umbrella Overview A major UK transport organisation is seeking two experienced Solution Architects to support a large-scale ticketing and payments transformation program ...

Software Engineer Integrations Team

PROGRAM DETAILS At Capstone, we seek to harness the complexities of global derivatives markets with disciplined strategic insight, an experienced, accomplished team and advanced technology to create sustainable value. We've created a particular approach to investment that we believe drives continu ...

Senior Solutions Architect

Senior Solutions Architect (Consultant) - Transport Programme Contract | Hybrid London | 6 Months | £749/day Umbrella Overview A major UK transport organisation is seeking two experienced Solution Architects to support a large-scale ticketing and payments transformation programm ...

Senior Software Engineer I Receive

Wise is a global technology company that builds the best way to move and manage the world’s money. The company is on a mission to make lives easier and save money for people and businesses worldwide. As part of the Receive Risk team, part of the Acquiring Squad in the Global Product tribe, you will help en ...

Credit Risk Lead Architect

Requirements Knowledge of Financial Services, with a good understanding of Corporate and Investment Banking Products and processes. Experience of middle office systems such as Risk Management highly desirable, with an appetite to further expand their Financial Services knowledge S ...

Senior Software Engineer I Receive

Company Description Wise is a global technology company building the best way to move and manage the world’s money. Team The Receive Risk team is part of Acquiring Squad in the Global Product tribe. The team ensures customers can receive money quickly and securely, working on fr ...

Ataccama DQC Support Engineer

Job Title: Ataccama DQC Support Engineer Job Location: London , UK Job Type: FTE Job Description: A skilled Ataccama DQC Support Engineer who will be responsible for providing technical support and expert ...

Founding Engineer | AI & Defence

Founding Engineer Join one of the most exciting startups in the market right now. Backed by $50M+ in funding, this fast‑growing technology company is looking for exceptional engineers who want to build ambitious products, move quickly, and make a real impact from day one. You'll be joining a small ...

Data Streaming Engineer

Contract or Perm | E-commerce | Principal/Staff Data Streaming Engineer Duration : 6 months or perm Start Date : ASAP I'm currently hiring for a cutting-edge e-commerce company based in London that’s making a shift towards a streaming-first da ...

Senior Software Engineer DataHub Experience & Control Plane London, GBR Posted today

Senior Software Engineer - DataHub Experience & Control Plane Location London Business Area Engineering and CTO Ref # Description & Requirements Bloomberg runs on data. Every product, model, chart, alert, workflow, and client‑facing insight depend ...

Senior Software Engineer DataHub Experience & Control Plane

Senior Software Engineer - DataHub Experience & Control Plane Location London Business Area Engineering and CTO Ref # 10051653 **Description & Requirements** Bloomberg runs on data. Every product, model, chart, alert, workflow, and client-fa ...

Senior Software Engineer DataHub Experience & Control Plane

Senior Software Engineer - DataHub Experience & Control Plane Location London Business Area Engineering and CTO Ref # Description & Requirements Bloomberg runs on data. Every product, model, chart, alert, workflow, and client‑facing insight depend ...

Senior Microsoft Platform Engineer

Senior Microsoft Platform Engineer London – Hybrid (3DPW in office) Competitive salaryVIQU have partnered with a leading professional services organisation seeking a Senio ...

Principal Software Engineer

Principal Java Software Engineer: Do you enjoy shaping technical direction across teams and helping organisations evolve their engineering practices? Are you motivated by solving complex system challenges while mentoring others and driving meaningful impact at scale? ...

Senior Manager Technology

About us At GBST, we’re inspiring wealth innovation for wealth management and advice organisations globally. Our commitment to excellence, track record of continued and successful delivery, hard work and product excellence has earned us the trust and partnership of many of the world’s leading fin ...

Senior Software Engineer I (Growth)

Senior Full Stack Engineer – Growth Engineering We help everyday runners become outstanding by building an incredible app providing world‑class training, coaching and community for everyone, whether you’re improving your 5k time or training for your first marathon. What you’ll be doing < ...

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