79,284+ Java Developer Java Developer Lead Jobs in London, UK — Local Employers Hiring July 2026

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Principal AI Engineering Lead

Your opportunity Are you passionate about pushing the boundaries of AI and emerging technologies? Do you thrive on transforming complex data into real‑time, actionable insights? Are you looking to apply deep technical expertise to solve high‑impact business challenges at ...

Technical Lead / Junior Solutions Architect

# Technical Lead / Junior Solutions ArchitectLondon, UK ContractAre you a Technical Lead / Junior Solutions Architect with 5+ years of experience in cloud-native development? Apply now for a long-term contract opportunity with a leading technology client in Chiswick, West London.## Requirements* 5+ years of expe ...

Backend Software Engineer C# .Net Sports Trading

Backend Software Engineer C# .Net - Sports Trading Experience pay is based on skill and experience. You can learn more by contacting the recruiter. Base pay range Direct message the job poster from Client Server Backend Software Engineer / Developer (C# .Net) London o ...

Senior C#/.NET Developer with enterprise desktop application, SQL Server performance tuning, WPF/MVVM, Web API, and complex workflow application experience

Senior C#/.NET Developer with enterprise desktop application, SQL Server performance tuning, WPF/MVVM, Web API, and complex workflow application experienceDuration: 6 MonthsLocation: Mississauga (Hybrid, 1-2x/week)Our pharmacy technology client is seeking a Senior C#/ ...

Senior C#/.NET Developer with enterprise desktop application, SQL Server performance tuning, WPF/MVVM, Web API, and complex workflow application experience

Senior C#/.NET Developer with enterprise desktop application, SQL Server performance tuning, WPF/MVVM, Web API, and complex workflow application experienceDuration: 6 MonthsLocation: Mississauga (Hybrid, 1-2x/week)Our pharmacy technology client is seeking a Senior C#/ ...

Data Technology Engineer (UK)

Location: UKDepartment: Data Technology / Platform EngineeringRole SummaryWe are looking for a Data Technology Engineer to design, build, and run secure, multi‑tenant da ...

Data Technology Engineer (UK)

Location: UKDepartment: Data Technology / Platform EngineeringRole SummaryWe are looking for a Data Technology Engineer to design, build, and run secure, multi‑tenant da ...

Growth manager (JetBrains AI)

At JetBrains, we’re building an AI-native platform for software development that connects developer workflows, team-level collaboration, and organizational control into a single coherent system. This platform will serve as the execution and governance layer for AI-driven development, deeply integrated with ...

Technical Coordinator

Technical Coordinator – LondonWe are currently recruiting for an experienced Technical Coordinator on behalf of a leading UK Developer and Main Contractor. This is a permanent opportunity offering excellent career progression, long-term stability, and an attractive benefits package.Due to continued growt ...

Guidewire Technical Lead

Guidewire Technical Lead / Architect - £600- £650 per day (Inside IR35) - Insurance Platform - London (Hybrid) - Initial 6 Month Contract (Possible Extension) G.R.E. Recruitment is delighted to partner with a leading Insurance based company and support them with the hire of x3 Guid ...

AI/Agent Engineer Shape Production Grade AI in Fintech

Job Title AI/Agent Engineer Salary Not Disclosed Company Description Vega is a $28M London-based fintech building AltOS, an AI-powered client and distribution operating system for the $20T alternative asset management industry. Job Description <p ...

AI/Agent Engineer at Vega

Job Title AI/Agent Engineer Salary Not Disclosed Company Description Vega is a $28M London-based fintech building AltOS, an AI-powered client and distribution operating system for the $20T alternative asset management industry. Job Description <p ...

Senior Data Scientist Reading in London Quant Capital

Join Our Dynamic Team A pure merit basis with rapid progression actively encouraged. This team has a strong reputation in the market as breeding quick thinkers and adding real value to SMEs. My client is based near Reading. Key Requirements Scala Data Scien ...

Senior Golang Engineer Generative AI Platform

We are seeking a Senior Golang Engineer to join a growing team focused on building enterprise‑scale Generative AI platforms and developer tooling. This is an opportunity to work at the intersection of cloud‑native engineering, distributed systems, and AI, helping deliver the next generation of AI‑e ...

Development Lead London GBP110k +bonus

Development Lead – London £110k + bonus. Requires presence in London office at least three days per week. Must have unrestricted right to work in the UK. This role does not offer sponsorship. About the Company We partner with a leading London‑based broker investing heavily in cu ...

Staff Software Engineer 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 Starling's softwa ...

Staff Software Engineer 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 Starling's softwa ...

AI Augmented Engineering Lead Up to £130k + Bonus

As part of Cloud Bridge, an AWS Premier Partner, we bring deep cloud expertise into every hiring conversation. Here, technology meets empathy — connecting the dots between ground-breaking companies and exceptional talent.AI Augmented Engineering LeadUp to ...

AI Augmented Engineering Lead Up to £130k + Bonus

As part of Cloud Bridge, an AWS Premier Partner, we bring deep cloud expertise into every hiring conversation. Here, technology meets empathy — connecting the dots between ground-breaking companies and exceptional talent.AI Augmented Engineering LeadUp to ...

Principal Software Engineer, Docker Agents (London)

At Docker, we make app development easier so developers can focus on what matters. Our remote-first team spans the globe, united by a passion for innovation and great developer experiences. With over 20 million monthly users and 20 billion image pulls, Docker is the #1 tool for building, sharing, and runni ...

Staff Security Engineer, Product Security

Location United Kingdom; London Employment Type Full time Location Type Remote Department R&D InfoSec About Chainalysis Blockchain technology is powering a growing wave of innovation. Businesses and governments around ...

Lead Product Security Engineer (Staff) Remote UK

Location United Kingdom; London Employment Type Full time Location Type Remote Department R&D InfoSec About Chainalysis Blockchain technology is powering a growing wave of innovation. Businesses and governments around ...

Senior Engineering Manager FMX

About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Bet ...

Senior Full Stack/Native Cloud Engineer (Vice President)

Company the company, a global investment bank and securities firm, has served companies and their investors for over 60 years. Headquartered in New York City, with offices in more than 25 cities around the world, the company provides clients with capital markets and financial advisory services, i ...

Senior Software Engineer, CalcGraphs Vice President

Team OverviewXiP is building a next-generation cross-asset calculation system for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs.Our team owns multiple Java Spring Boot Services that execute ...

Senior Full Stack/Native Cloud Engineer (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 ...

Senior Software Engineer, CalcGraphs Vice President

Team OverviewXiP is building a next-generation cross-asset calculation system for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs.Our team owns multiple Java Spring Boot Services that execute ...

Senior Full Stack/Native Cloud Engineer (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 ...

Lead DevOps Engineer

About Liberis Liberis is building the embedded finance platform that lets partners around the world offer innovative funding products to their small business customers. We're a growth-stage fintech with teams in London, Nottingham, Atlanta, Stockholm, Munich and Mumbai, and we’re building a globa ...

HubSpot Specialist

HubSpot Developer / Specialist On-site – Stockton-on-Tees We’re working in collaboration to source a HubSpot Developer/Specialist to work on-site in Stockton-on-Tees. The Role You will take full ownership of our HubSpot CRM platform and lead delivery of Phase 1 of our Op ...

Technical Lead to design and implement integrations using Oracle Integration Cloud (OIC)

Our enterprise client is seeking a Technical Lead to design and implement integrations using Oracle Integration Cloud (OIC)Lead the development of complex integrations and solutions across Oracle Fusion ERP modules. Utilize Oracle Integration Cloud, SQL, PL/SQL, and Fusion Middleware to build hi ...

Technical Lead to design and implement integrations using Oracle Integration Cloud (OIC)

Our enterprise client is seeking a Technical Lead to design and implement integrations using Oracle Integration Cloud (OIC)Lead the development of complex integrations and solutions across Oracle Fusion ERP modules. Utilize Oracle Integration Cloud, SQL, PL/SQL, and Fusion Middleware to build hi ...

Telemetry and Observability Engineer

Salary: £103,400 - 113,300 per year Requirements Proven experience in observability, SRE, or platform engineering roles within complex distributed environments Strong hands‑on experience with OpenTelemetry, including building and managing telemetry pipelines ...

Principal Software Engineer

Some roles give you a better salary. Some give you a better story. This one has the potential to do both. I’m hiring multiple Principal Software Engineers for a Series A Scale Up in Central London that is moving quickly, building with AI as a real part of the product, and led by people who ...

Senior Backend Engineer II Europe Localisation

Job Description We are seeking a Senior Software Engineer II to collaborate with our Regional Europe & UK team, driving data‑driven and innovative growth decisions and leading the team in delivering value to our customers by developing the product within Europe. Responsibilities <u ...

Senior Backend Engineer II Europe Localisation

Job Description We are seeking a Senior Software Engineer II to collaborate with our Regional Europe & UK team, driving data‑driven and innovative growth decisions and leading the team in delivering value to our customers by developing the product within Europe. Responsibilities <u ...

DevOps Engineer – Integrations Team

DevOps Engineer – Integrations Team at RE Partners RE Partners is looking for a DevOps Engineer to join our DevOps Integrations team, where you will design and build user‑centric tooling that empowers development teams worldwide. You will be responsible for architecting and developing complex int ...

Senior Software Engineer

Some roles give you a better salary. Some give you a better story. This one has the potential to do both. I’m hiring multiple Senior Full Stack Engineers for a Series A Scale Up in Central London that is moving quickly, building with AI as a real part of the product, and led by people who k ...

Software Architect

Salary: £100,000 - 100,000 per year Requirements We are looking for an experienced Software Architect or senior software engineer with a strong background in designing complex software systems within a safety‑critical, real‑time, or embedded environment. We need a strong t ...

SailPoint IAM Engineer

Salary: £28,600 - 31,200 per year Requirements Current SC clearance Strong hands‑on experience with SailPoint IdentityIQ (IIQ) and/or Identity Security Cloud (ISC) Proven delivery experience within enterprise IAM / IGA programmes Strong understa ...

Senior C# Developer (React / Regulatory Reporting) | London, Hybrid | £135K

Senior C# Developer (React / Regulatory Reporting) | London, Hybrid | £135K Note: This role does NOT provide VISA sponsorship Our client is a leading financial services firm, currently looking to bring new ideas, energy, and innovation into their Regulatory Reporting Technology team ...

UI/UX Developer — Flexible 3 Day Week Contract (London)

Sivara GmbH is seeking a UI/UX Developer for a 12-month contract in London, working three days a week in-office through an umbrella company. This role focuses on developing engaging user interfaces, conducting user research, and continuously improving through feedback. The position offers professional ...

Hybrid Senior C# Developer for High Volume Finance Platform

Lorien's leading banking client is looking for a Senior C# Developer based in London. This role will involve working on a high volume transactional system, contributing to its re-architecture and modernization. The position offers a hybrid working model, requiring 2 days a week on-site. Candidates shou ...

React / Typescript Frontend UI Developer Fixed Income & Credit Trading

We are seeking a UI Developer to join a Fixed Income / Credit Trading Technology team at a leading investment bank in London. This role is aligned directly with the front office and focuses on building and enhancing high-performance user interfaces used by credit and fixed income traders. You will c ...

Business Developer (Cantonese Manadarin Speaking, £25k, Financial Services, London)

For more Mandarin or Chinese Speaking jobs, follow us on 微信: ChineseJobsUK01 We have an exciting opportunity for a bilingual Business Developer role in a Financial Services company based in London. The company specialises in multinational cash handling solutions such as cross-border payments, foreig ...

ServiceNow Developer 12 months £700 per day SC Cleared

ServiceNow Developer - 12 months - £700 per day - SC Cleared Rate: £700 per day Location: Remote/London (2 days per week) Duration: 12 months The role A leading Central Government Institution are seeking x2 ServiceNow Developers, supporting the development of ent ...

Senior Frontend Developer Up to £180,000 P/A + Bonus

Client – Tier 1 Financial Services Tech hous Rate – Up to £180,000 + Bonus Location – London About the Company Our client is a leading global financial services firm investing heavily in the next generation of artificial intelligence technology. The ...

Front End Developer (IT) in London Parliamentary Digital Service

Skills Required debugging and systems analysis, HTML5, CSS / SASS & Javascript and TypeScript, familiarity with a frontend framework such as Angular / React / Vue (Angular preferred).you can collaborate with others when necessary to review specifications and use these to code, test and... Ex ...

Senior C# Developer (React / Regulatory Reporting) | London, Hybrid | £135K

Senior C# Developer (React / Regulatory Reporting) | London, Hybrid | £135K Note: This role does NOT provide VISA sponsorship Our client is a leading financial services firm, currently looking to bring new ideas, energy, and innovation into their Regulatory Reporting Technology team ...

Mid Level C# Developer for Cloud‑Driven Planning Solutions

Aucerna, a leading provider for the oil and gas industry in London, is seeking developers passionate about innovation. Join a Scrum-based team focused on creating next-generation corporate planning solutions, emphasizing high-quality software practices. Ideal candidates will have experience with cloud ...

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