19,271+ Java Developer Java React Springboot Jobs in London, UK — Local Employers Hiring June 2026

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Senior Scala Engineer Remote Fintech Real Time Platforms

Scalac is seeking a Senior Scala Developer to join a globally recognized fintech project based in London. The role involves designing and implementing real-time financial data streaming components and collaborating with the client's engineering team. The ideal candidate will have extensive experience i ...

Python Analytics Engineer — Insurance (Hybrid)

The Virginia Society of CPAs is seeking a skilled Python Developer in London, offering hybrid working two days per week in the office. This role focuses on developing production-grade analytical systems, addressing complex datasets to improve insurance analytics. Join a vibrant team during an exciting ...

Lead Cloud Observability Engineer

J.P. MORGAN is looking for a Lead Software Engineer within the International Consumer Bank to design and operate observability capabilities across cloud-native microservices. You'll work closely with product and development teams to create cutting-edge solutions that enhance the developer experience. T ...

iOS Engineer III – FinTech Wealth App

A leading financial services firm in Greater London is seeking a skilled iOS Developer to join their team. The ideal candidate will possess strong experience in iOS mobile application development using Swift and Xcode, with a focus on delivering high-quality software. Responsibilities include developing product ...

Lead .NET Engineer: Azure, DevOps & Microservices (Remote)

An international technology client is seeking a Lead Software Developer skilled in .Net Core and SQL Server. The ideal candidate must have over 5 years of solid software engineering experience and proficiency in CI/CD processes using Azure DevOps. This role offers a flexible working arrangement, initially remote ...

Platform Engineering Lead — Automations, CI/CD & Observability

BODEN is seeking a Platform Technical Lead to enhance their engineering platform capabilities. This role involves collaboration with various engineering teams to drive platform improvements, emphasizing automation, standards, and guidance. Key responsibilities include developing the platform roadmap, leading dev ...

Senior Backend Engineer Scalable, Product Focused

Fruition Group is seeking a Senior Backend Developer to join their fast-growing technology business in London. This role emphasizes building reliable backend systems and offers a collaborative environment with significant autonomy. The ideal candidate has extensive experience in Python and a solid unde ...

BackEnd Support Engineer (Node.js) Hybrid, On Call Bonus

A technology solutions company is seeking a BackEnd Technical Support Developer in London, offering a hybrid work pattern with 3 days onsite and 2 days remote. The role involves handling production issues, collaborating with clients, and solving technical problems backed by technologies such as Node.js, TypeScri ...

Ultra Low Latency C++ Trading Engineer

A specialist engineering firm in Greater London is looking for a skilled C++ developer to create low-latency trading components. In this performance-critical environment, you will work closely with market data and collaborate with quant and trading teams. The ideal candidate has strong C++ skills, experience in ...

Remote .NET Engineer | Build scalable services, mentor

Trainline in Greater London is looking for a Software Developer to join their team. Key responsibilities include delivering new features, ensuring quality throughout the development lifecycle, and mentoring junior engineers. Ideal candidates will have hands-on experience with C# .NET, Agile methodologies, and CI ...

Senior Cloud & App Security Engineer

Financial Times is seeking a Senior Cyber Security Engineer to enhance application and cloud security within their AWS-hosted environment. The role focuses on vulnerability management, developing security guardrails for CI/CD pipelines, and facilitating threat-modelling sessions. You will work collaboratively wi ...

Go DevOps Engineer: AWS, CI/CD & Infra Automation

A leading food delivery technology company in London is looking for a skilled engineer to support their hybrid development environment. The role involves writing and maintaining software mainly in Go, improving developer workflows, and designing scalable systems in AWS. Ideal candidates have strong experience in ...

Senior Backend Engineer – Geospatial & Systems Leader

A leading technology company in London is seeking an experienced software developer to join their team. The successful candidate will lead the development of geospatial data processing solutions, mentor junior engineers, and collaborate with product teams. Requirements include a degree in Software Engineering, a ...

SAS Engineer Insurance Modeling & MDLC Expert (Hybrid)

A global business and technology transformation partner in Greater London is seeking a SAS Developer to enhance and validate statistical models across various domains. The ideal candidate will have 5-10 years of strong SAS programming experience and expertise in building predictive models. You will be responsibl ...

Strategic Enterprise Growth Architect

Checkout Ltd is seeking a Strategic Accounts Business Developer to join our team in London. In this role, you will develop strategic account plans and manage relationships with key prospects while collaborating with various teams. The ideal candidate will have relevant experience in enterprise sales, exceptional ...

EMEA Enterprise Account Director – AI Security & DevOps

Snyk Ltd. is seeking an Account Director for the EMEA region to lead the end-to-end sales process for enterprise customers. This role involves driving new business and nurturing relationships to secure Snyk’s Developer Security Platform across digital and AI transformations. Candidates should have a proven track ...

Front End TV Apps Engineer — Hybrid/Flexible

Everyone TV | Freely, Freeview, Freesat is looking for a Software Developer – Front End to work in their central London office and develop applications for smart TVs and set-top boxes. The role involves collaborating with various teams to create high-quality, accessible user interfaces using modern web technolog ...

Senior Backend Engineer API Driven Finance Platform

A leading technology solutions provider in Greater London is seeking a skilled Backend Developer to lead technical projects and enhance its web applications. This role requires strong expertise in Python, experience with frameworks like Flask and FastAPI, and the ability to deliver APIs effectively. The ideal ca ...

Senior Backend Engineer Build Scalable Green Tech

Octopus Energy based in London is looking for a backend developer with 5+ years of experience in web application development, particularly with Python and Django. The role involves designing systems in cloud environments and collaborating across teams to create impactful products. An exceptional candidate will h ...

Strategic Defense Partnerships Manager

A cutting-edge defense tech company in London is seeking a Business Developer to enhance partnerships in the defense industry. This role involves identifying strategic opportunities, representing the company at international events, and working with leadership to expand the business across Europe. The ideal cand ...

Senior SQL Analytics & Reporting Architect

A consulting firm in London is seeking an experienced SQL Data Analyst and Reporting Developer. The role involves designing and maintaining reports and dashboards that support decision-making in a high-profile investment banking program. Candidates must have over 10 years of experience in SQL development and rep ...

Senior HPC Engineer — Research Technology

A leading algorithmic trading firm in London is seeking a Software Developer for their Research Technology team. This role focuses on developing software for a large HPC cluster and requires strong problem-solving skills and experience in distributed systems. The ideal candidate will have proficiency in language ...

Growth Hunter: Circular IT Partnerships & Revenue

A forward-thinking tech partner in the UK is seeking a Business Developer to drive sales growth. This pivotal role involves managing the entire sales cycle, from prospecting to closing, and building long-term relationships with clients. The ideal candidate will be data-driven and skilled in sales automation tool ...

Head of Multi Cloud Platform Engineering

A leading global data and analytics firm based in London seeks a Director of Platform Engineering to oversee the transformation to a multi-cloud platform. The role involves leading globally distributed teams, defining platform strategies, and enhancing developer productivity. Ideal candidates should have over a ...

Senior Director – Co Living Development & Design (London)

A high-end design studio located in London is seeking a senior professional to join their team and expand offerings in the developer-led co-living sector. Applicants must have excellent experience in this sector, with strong knowledge of local planning teams and a solid design background, ideally with over 10 ye ...

Senior Software Engineer, Generative AI for Physics

BeyondMath, a pioneering startup in Greater London, is looking for an experienced full-stack developer to contribute to their generative physics platform. This role involves designing scalable software, building data pipelines, and leveraging cloud technologies, primarily AWS. Candidates should have a strong pro ...

Senior Platform Engineer ML/GenAI Infra, Equity (Hybrid)

Dex is seeking a Senior Platform Engineer in London, offering up to £200,000 + equity. The ideal candidate will have a track record of building platforms for engineering teams, with expertise in languages like Python or Go. Responsibilities include designing and operating core services, and owning developer expe ...

VP Level Lead: Python & AI Platform Engineer

J.P. MORGAN is seeking a Lead Software Engineer to join the Athena Core DevTools team. You will design and build tools that enhance the developer experience for thousands of engineers across the firm, driving innovation and technical excellence. The ideal candidate will have strong engineering fundamen ...

Enterprise Blockchain Engineer Smart Contracts (Hybrid)

Synergize Consulting is seeking an experienced Smart Contract Developer for their London HQ, requiring a minimum of 2 days a week in-office attendance. This role focuses on developing sophisticated solutions using enterprise blockchain platforms and Solidity-based smart contracts. The ideal candidate w ...

Premium Residential Sales Progression Specialist

Cobalt Recruitment is seeking a Sales Progression & Customer Care Coordinator for an esteemed developer in Fulham. This role involves supporting purchasers from exchange to move-in on a landmark residential project. The ideal candidate will manage communications, prepare documentation, and ensure a smo ...

Grid Projects Electrical Engineer (Contract) Hybrid

Mint Selection is supporting a leading UK energy developer looking for an experienced Electrical Project Engineer for an initial 12-month contract. The role involves providing electrical engineering oversight across the design and construction phases of major power projects. You will be responsible for ...

Automation Test Engineer Connected TV Platform

FX Digital is seeking a Mid-level Software Developer in Test to join their Quality Engineering team in London. This role focuses on ownership of automation frameworks and CI pipelines, working closely with senior engineers and mentoring juniors. The ideal candidate has over 2 years of test automation e ...

Hybrid .NET Backend Engineer for FinServ & Insurance

Capgemini is seeking a skilled .NET Developer to join their dynamic team in Greater London. This role involves designing and developing robust backend applications using C#, .NET Core, and ASP.NET while contributing to integrations and working with cross-functional Agile teams. You will have the opport ...

PowerApps Lead for Digital Transformation & Automation

Cromwell Banks is seeking an experienced PowerApps Developer / Lead to drive a digital transformation programme focused on Microsoft Power Platform. This hybrid role requires developing user‑centred PowerApps solutions and automating processes through Power Automate while providing governance across the platf ...

Lead Android Engineer Kotlin + Jetpack Compose, Hybrid

Righttalentrightnow is looking for a mobile developer in Greater London to build high-quality native Android applications using Kotlin and Jetpack Compose. The ideal candidate will have proven expertise in scalable app architectures and a passion for high-quality UI/UX. This role involves collaboration with inte ...

Senior Salesforce Dev: Service & Experience Cloud | Hybrid

A leading consulting firm is seeking a Senior Salesforce Developer to join their team in London Bridge. This hybrid role involves hands-on development and platform optimization for Service Cloud and Marketing Cloud. The candidate should have extensive Salesforce development experience, with solid skills in Apex, ...

Senior DevEx Sales Exec — AI Dev Tools (EMEA, Remote)

Atlassian is seeking a DevExp Solutions Sales Executive to drive sales growth across EMEA. In this role, you'll manage the full sales cycle for our Developer Experience portfolio, working with senior stakeholders and cross-functional teams to close complex deals. The ideal candidate has extensive enter ...

Fractional B2B Growth Lead (Flexible, Part Time)

Story Terrace Inc. is seeking a Fractional Business Developer to help drive our strategic go-to-market efforts. This part-time role involves cultivating relationships with clients, showcasing our innovative AI solutions, and contributing to sales strategies. The ideal candidate will have a strong backg ...

Senior Front Office Software Engineer (Cross Region)

Barclays is seeking a Senior Front Office Developer to drive innovative software solutions across regions. This role requires expertise in .Net, C#, and server-side development. Your contributions will focus on quality delivery, secure coding practices, and staying ahead of industry trends. The ideal c ...

Senior C# .NET Backend Engineer | £150k + Bonus (London)

Client Server Ltd. is seeking a Senior Software Developer / Software Engineer (C# .Net) to join their team in plush City offices in London. This hands-on role offers a competitive salary of up to £150k, along with substantial bonuses based on personal performance. The ideal candidate will have extensiv ...

Backend & Infrastructure Engineer — Platform Reliability

Searchability® is seeking a Backend & Infrastructure Engineer to join their engineering team in London. This role involves working with backend systems, CI/CD, and deployment infrastructure for a well-funded Series A startup focused on collaborative platform development. The ideal candidate will improv ...

Senior .NET Architect & Lead Engineer Scalable Apps

Bluegrass is seeking a Senior .NET Developer in Greater London to design, develop, and deliver software solutions across various industries. The ideal candidate will have 6+ years of experience in Microsoft technologies, collaborate with cross-functional teams, and drive technical direction. In additio ...

Remote PHP/Laravel Backend Engineer for AI Training

YO IT Consulting is seeking a skilled PHP Developer to join our remote team. You will contribute your expertise to an innovative AI agent project, focusing on back-end development using PHP and Laravel. You'll work with AI model trainers and take part in building scalable back-end systems. The ideal ca ...

Senior C# .NET AI‑First Finance Platform Engineer

A financial services platform in Greater London seeks a Senior Developer specializing in C# .NET to drive innovative web-based finance platforms. This role demands expertise in AI-assisted development, ensuring compliance with stringent control and audit standards. The candidate will design and develop robust ap ...

Senior Python Platform Engineer – Equity, Hybrid

A growing financial technology firm in Greater London is looking for a Staff Platform Engineer. The role involves leading complex engineering projects with a focus on Python, optimizing infrastructure, and collaborating cross-functionally to enhance developer experience. Ideal candidates will possess strong skil ...

Senior Backend Engineer Web & Game Infrastructure (Remote)

A BAFTA-winning games studio in Greater London is seeking a seasoned Backend Developer to design and develop scalable microservices. The role involves collaboration with technical teams to create robust backend services and optimizing performance on a high-traffic digital platform. Candidates should have proven ...

Senior Full Stack Engineer: End to End Cloud & API Systems

AVIATEK SOLUTIONS PTE. LTD. is looking for an experienced Software Engineer / Full Stack Developer in Greater London. The candidate will take complete ownership of application development, which includes designing and maintaining high-performance web applications, and developing APIs. A Bachelor’s Degree in a re ...

Senior Full Stack Engineer & Power Platform Lead

Boston Consulting Group (BCG) in Greater London is seeking a Full Stack Developer & Power Platform Engineer. You will design and enhance applications for internal operations, working across front-end and back-end layers. Candidates should have 7-10+ years of experience, strong skills in .NET Core and C#, and han ...

Director, Cloud Platform Engineering & Self Service

LSEG is seeking a Director of Cloud Platform Engineering in London to lead the strategy, engineering, and operation of core cloud platforms. This role focuses on developing self-service internal developer platforms for thousands of engineers while ensuring resilience, security, and performance. Responsibilities ...

Senior Full Stack Lead: Angular + .NET on AWS (Hybrid)

EPAM Systems is seeking a Senior/Lead Full Stack Developer to design, develop, and deliver high-quality software solutions. This role involves leading projects using Angular for frontend and .NET for backend. Candidates should have extensive experience in enterprise environments, with expertise in AWS and SQL. T ...

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