138,259+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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Senior Frontend Engineer Hybrid (London/Newcastle)

A leading tech company in the UK is seeking an experienced Senior frontend developer to join their hybrid team. This role necessitates a deep understanding of JavaScript/TypeScript frameworks and the ability to integrate front-end applications with back-end services. Responsibilities include designing high-quali ...

C++ Software Engineer Elite Tech, Hybrid London

A leading technology firm in London seeks a Software Developer (C++) offering a salary of up to £120,000 plus bonus and package. This elite tech environment is known for high standards and a passion for cutting-edge technology. As a Software Engineer, you will work on top-performing technology platforms alongsid ...

New Grad Software Engineer, Foundations Infra

A cutting-edge software firm in London is looking for a Software Engineer to enhance their data-driven platforms. The role includes building infrastructure, improving developer experiences, and collaborating across teams. Candidates should have a strong engineering background, familiarity with multiple programmi ...

Senior Frontend Engineer — Build Financial OS (React/Next)

A tech startup in Greater London is seeking an experienced frontend developer to join their lean team. The role requires expert knowledge in React, TypeScript, and Tailwind, along with familiarity with NextJS. Candidates who have experience in backend engineering and user-facing software delivery will stand out. ...

Remote Unreal Gameplay Programmer AAA Titles

A leading gaming development company is searching for an Experienced Gameplay Developer to work fully remote. The ideal candidate will have a minimum of 2.5 years of professional experience and expertise in Unreal Engine and C++. The role involves creating original gaming experiences, establishing cloud-based in ...

IBM LANSA Developer Outside IR35

IBM LANSA DeveloperContract | Remote | Outside IR35 (if applicable) We're supporting a consultancy client on the delivery and enhancement of a critical enterprise application platform and are looking for an experienced IBM LANSA Developer to join the team. This role will suit someone ...

IBM LANSA Developer Outside IR35

IBM LANSA DeveloperContract | Remote | Outside IR35 (if applicable) We're supporting a consultancy client on the delivery and enhancement of a critical enterprise application platform and are looking for an experienced IBM LANSA Developer to join the team. This role will suit someone ...

IBM LANSA Developer Outside IR35

IBM LANSA DeveloperContract | Remote | Outside IR35 (if applicable) We're supporting a consultancy client on the delivery and enhancement of a critical enterprise application platform and are looking for an experienced IBM LANSA Developer to join the team. This role will suit someone ...

Software Engineer III React / TypeScript, Gen AI, Frontend

Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III in the Securities Services team within the Commercial & Investment Bank, you will design and deliver secure, scalable technology pro ...

Full Stack Engineer

Full-time | London | In office (preferred) or hybrid Full Stack Engineer About Voop Awareness has never been higher about the damage smartphones can do to young people, yet almost no one is fixing it. Voop is building the world’s first safe mobile platform — a new kind o ...

Product Engineer (£60 90k + Equity) at Keith

Product Engineer Salary: £60-90k + Equity Company: Keith - AI-native legal tech startup backed by £2M seed funding Location: London, UK Job Description: Join the founding engineering team at Keith to disrupt the £19B legal services market. A ...

Senior Account Executive German Speaking

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Cloudinary is the Image and Video API platform trusted by millions of developers and over 10,000 companies worldwide. Our powerful tools fuel websites to be faster, richer in user engagement, and break ...

German Speaking Enterprise SaaS AE — Drive Big Wins

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Cloudinary is the Image and Video API platform trusted by millions of developers and over 10,000 companies worldwide. Our powerful tools fuel websites to be faster, richer in user engagement, and break ...

Senior Developer D365 CE

WeDo Technology is partnering with a global manufacturing organisation to support their recruitment of a Senior D365 Developer. Our Client is looking for a Senior D365 CE Developer to take technical ownership of a growing Dynamics 365 Customer Engagement estate, leading architecture, integrations a ...

Junior Developer AI Agent Engineer

Junior Developer - AI Agent Engineer - 3 month initial contract - £350 - £390 per day (via umbrella) - London - Hybrid Our eCommerce client is looking for a Junior Developer (AI Agent Engineer) to join their team on an initial 3 month contract. You will work on the design, development ...

Software Engineer

Snyk is the leader in secure AI software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent vulnera ...

IAM Team Lead

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.We’re a fully licensed UK bank with the culture and spirit of a fast-mo ...

Senior Engineering Manager Data Platform

We're looking for a customer focused Senior Engineering Manager - Data Platform to lead and evolve the teams responsible for Depop's modern data platform. In this role, you'll help grow our platform capabilities while working with the team to continuously improve how we execute and collaborate. </p ...

Lead Software Development Engineer Services

White Collar Factory (95009), United Kingdom, London, London Lead 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 ...

Senior Full Stack Engineer — AI Driven Web Apps (Hybrid)

Materiom, an impact-focused tech startup based in Greater London, is seeking a full-time Senior Software Engineer to drive the development of data- and AI-heavy web applications. The role demands expertise in full-stack development, especially in front-end technologies like React and TypeScript, as well as backe ...

Principal Product Manager, Tech Platform

London, England At Algolia, we’re proud to be a pioneer and market leader in AI Search, empowering 17,000+ businesses to deliver blazing-fast, predictive search and browse experiences at internet scale. Every week, we power over 30 billion search requests — four times more than Microsoft Bing, Yaho ...

Frontend Engineer

About algo1 We’re a VC-backed stealth-mode company building behavioural AI solutions for the retail industry. Our platform is designed from the ground up — no legacy, no patchwork systems — just a clean slate and a clear vision. Our mission is to bring the intelligence of modern machine learning ...

AWS Security Engineer Contract

AWS Security & Vulnerability Remediation Engineer (DevSecOps / Cloud Security) 3 month initial contract outside IR35 Role Summary We are looking to hire an AWS-focused security engineer to lead the remediation of cloud and application vulnerabilities across our AWS ...

Head of Computer Science

Position: Head of Computer ScienceStart Date: April 2026Salary: MPS/UPS + Competitive TLRAre you a visionary educator ready to lead a high-performing department? Protocol Education is proud to partner with one of Brent’s most prestigious secondary schools to fi ...

Incident Response Security Engineer

Senior Incident Response Security Engineer Join to apply for the Senior Incident Response Security Engineer role at Prima. Our passion for data and technology has redefined motor insurance since 2015. We are one of the leading online motor insurance providers in Italy, serving over 4 millio ...

Applied Scientist, Advertising

Description Orchestrating the selection of one ad out of tens of millions of ads, honoring advertiser targeting intent for hundreds of thousands of advertisers while ensuring a great shopper experience for billions of shoppers millions of times per second on a latency of tens of milliseconds is no ...

Python Quant Data Engineer Systematic Trading Technology

Be an integral part of a technology team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Python Quant Data Engineer you will help build the technology for Systematic Equities Trading Business. The role would sit in the Equities Trading Data ...

Applied Scientist, Agentic Automated Reasoning

Applied Scientist, Agentic Automated Reasoning Job ID: | Amazon Development Centre (London) Limited The Agentic Automated Reasoning Group is building the next generation of software verification tools combining advances in artificial intelligence, the computational capacity of the cloud ...

Technology Consultant

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 ...

Senior Applications Engineer

Senior Applications Engineer Location: Remote with occasional travel to London office Salary: £65,000 per annum plus benefits Company Overview We are rapidly expanding and offering the very latest ‘Full Fibre’ to homes and businesses across the nation. With broadband spe ...

Lead Software Development Engineer Services

White Collar Factory (95009), United Kingdom, London, LondonLead Software Development Engineer - ServicesAbout this roleCapital 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 Enginee ...

Security Engineer, IAM Stores Security

Description Every action across Amazon's vast infrastructure tells a story - and we make sure security teams can read it. Join us to build systems that capture, standardize, and deliver billions of security events daily, powering threat detection across the company. As a Security Engineer ...

Forward Deployed Software Engineer

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and mor ...

Security Engineer, IAM Stores Security

Description Every action across Amazon's vast infrastructure tells a story - and we make sure security teams can read it. Join us to build systems that capture, standardize, and deliver billions of security events daily, powering threat detection across the company. As a Security Engineer ...

Software Engineer III Front End Web JPM Personal Investing Mid Level

Job Description Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. M ...

Senior UX Designer

Role Overview As a Senior Product Designer, you will play a key role across two significant workstreams, shaping both customer‑facing and internal experiences that support an evolving aggregation and distribution strategy. You will lead discovery, influence product direction, and bring strong desi ...

Senior Product Designer: B2B/B2C, Discovery & Lead UX

Role Overview As a Senior Product Designer, you will play a key role across two significant workstreams, shaping both customer‑facing and internal experiences that support an evolving aggregation and distribution strategy. You will lead discovery, influence product direction, and bring strong desi ...

Staff Backend Engineer Routing Squad

HIVED is a climate and logistics startup based in London, building the first sustainable parcel delivery network at scale, powered by a 100% electric fleet. We serve leading international brands such as John Lewis, Nespresso, Uniqlo, and H&M. In a nutshell We are looking for a Staff ...

Staff Software Engineer BPL

A fantastic opportunity to join us as we create a standalone Payments Acquiring business embracing a fintech culture from our new London offices alongside our Brookfield partners. As a Staff Software Engineer , you’ll play a key role in improving how we build, deploy and run software. You’ll ...

Engineering Manager

Who are we?👋Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers’ legs. Ki’s mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and UCL, Ki ha ...

Engineering Manager

Overview Who are we? Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers’ legs. Ki’s mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and U ...

Graduate Quality Engineer

Quality Engineers are at the heart of every development team in Trayport and are key to the delivery of our software. Candidates should be passionate about delivering high quality software and committed to ensuring our clients have the best user experience possible. Quality Engineers at Trayport share an unrival ...

Staff Software Engineer Front End AI (Bangkok based, Relocation provided)

Role Overview As a Staff Front-End Engineer, you will design and build AI‑driven chat experiences that power Agoda’s AI Assistant, trip planning and discovery, customer support flows, and proactive recommendations. You’ll work closely with engineers, data scientists, and product managers ...

IAM Team Lead

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.We're a fully licensed UK bank with the culture and sp ...

Staff Software Engineer

Staff Software Engineer – CIAM / Identity Platform📍 London, UK (Hybrid)📅 12 Month ContractWe are seeking an experienced Staff Software Engineer to join a major retail digital transformation programme, helping build and evolve Customer Identity and Access Management (CIAM) solutions supporting ...

C++ Engineer Platform Engineering

Job Title C++ Engineer - Platform Engineering at Spotify Overview The CI Experience squad owns the client continuous integration (CI) infrastructure at Spotify. Our mission is to ensure smooth, reliable, and fast integration of code changes across all client repositories. We pro ...

Product Designer

About MetabolicMetabolic is a specialist metabolic medicine clinic. We combine clinical depth with a digital-first patient experience across four areas: weight management and obesity, diabetes and pre-diabetes, cardiovascular risk, and hormonal and thyroid health. We are not a wellness ...

Lead Engineer

Lead Engineer We are seeking a highly skilled Lead Engineer to drive technical delivery and provide leadership within a high-calibre engineering team. This role is a balanced mix of hands-on engineering (50%) and leadership responsibilities (50%). The Lead Engineer will be r ...

Senior Software Engineer (Fixed Income Risk System)

We are currently seeking a Senior Developer within Fixed Income Derivatives Technology group. Our team works closely with Interest Rates Sales & Trading and Quantitative Strategists team to develop next generation risk and trading systems to achieve their business goals.A successful candidate would work on one o ...

React Developer – Elite FinTech Firm Up to £600 per day – Outside IR35 Contract

Overview Role: React Developer — Elite FinTech Firm Client: Tech-driven FinTech Location: London, City-based (2 days onsite) Day Rate: Up to £600 per day Contract: Outside IR35 — Long-term rolling Full spec is available. </ ...

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