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

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Founding Software Engineer, Cybersecurity – London | Equity

Oho Group is seeking a Founding Software Engineer to join their early-stage start-up in London. This unique opportunity allows you to help shape the future of cybersecurity from day one, working closely with a world-class founding team. The ideal candidate will have over 5 years of software engineering ...

Senior MLOps Engineer: Scale ML in Production

Acquire Me is looking for a Senior MLOps Engineer in Greater London to join their growing AI Platform team. The role involves building and operating the infrastructure, tooling, and services that support machine learning and LLM applications across the firm, ensuring models transition from research to product ...

Microsoft Biz Apps Technical Senior (Power Platform and Dynamics CE)

Job DescriptionKey Responsibilities Taking ownership of individual work packages within wider workstreams, delivering them to the quality standards and timelines set by the Technical Lead or Technical Architect.Implementing Dynamics 365 CE and Power Platform compon ...

Microsoft Biz Apps Technical Senior (Power Platform and Dynamics CE)

Job DescriptionKey Responsibilities Taking ownership of individual work packages within wider workstreams, delivering them to the quality standards and timelines set by the Technical Lead or Technical Architect.Implementing Dynamics 365 CE and Power Platform compon ...

Principal Engineer Contract Outside IR35

We are currently looking for an experience Principal Engineer to join us on a contract basis. This is a hybrid position and will require 3 days per week on client site in Central London.RequirementsRole responsibilities: Define and drive technical strategy, architect ...

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 ...

Site Manager

Kenna Recruitment is currently on the lookout for a Site Manager.My client is one of the leading developers that operate across the UK and after a successfully project win, they are now looking for a Site Manager to work on this scheme on a contract basis, for the right person this can lead to a permanen ...

Senior Software Engineer

Job DescriptionSenior Software EngineerA fantastic opportunity for a Senior Software Engineer to join a world-class technology company developing advanced AI-driven software solutions. Working within an exceptional engineering environment ...

Senior Software Engineer

Job DescriptionSenior Software EngineerA fantastic opportunity for a Senior Software Engineer to join a world-class technology company developing advanced AI-driven software solutions. Working within an exceptional engineering environment ...

Lead Software Engineer Platform Observability

Job Summary As a Lead Software Engineer at JPMorgan Chase within the International Consumer Bank, you will collaborate closely with product, platform and development teams to design and operate a first‑class observability capability across our cloud‑native microservices. You’ll set standards and ...

Lead Software Engineer Platform Observability

We know that people want great value combined with an excellent experience from a bank they can trust, so we launched our digital bank, Chase, to revolutionise mobile banking with seamless journeys that our customers love. We're already trusted by millions in the US and we're quickly catching up in the Uni ...

Software Engineer III 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. Mor ...

Software Engineer III JPM Personal Investing Mid Level

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. Morgan heritage brings. </p ...

Engineering Lead (£120,000 £150,000 + Equity) at Attio.com

Job Title Engineering Lead Salary £120,000 - £150,000 + Equity Company Description Attio.com – Series B startup building AI‑native CRM infrastructure Location London, UK Job Description Join Attio as an Engineering Lead, a hi ...

Commercial Manager

Commercial Manager – South West London | £105,000 – £110,000 + Package & BonusOur client is a nationally recognised property developer, delivering a diverse portfolio of new build residential, commercial, PBSA (Purpose-Built Student Accommodation), and mixed-use projects across the UK.They're ...

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 ...

Lead Software Engineer

Job Responsibilities Leads the design and development of scalable and resilient systems using Java or Python, driving continual, iterative improvements across product teams Drives decisions on software solutions, architecture, design, development, and technical troubleshooting wit ...

Software Engineer: Core Trading

About IG Group IG Group is a FTSE250 FinTech company that runs mobile, web and desktop platforms for trading stocks & shares, leveraged products, futures & options and crypto. Job Title Software Engineer: Core Trading Overview We are ambitious, with over 340,00 ...

Lead Software Engineer

Job Responsibilities Leads the design and development of scalable and resilient systems using Java or Python, driving continual, iterative improvements across product teams Drives decisions on software solutions, architecture, design, development, and technical troubleshooting wit ...

Data Scientist Defence C3 AI

Data Scientist - Defence at C3 AI . Key technologies: Machine Learning, Generative AI, Python, JavaScript, Scala, Java. Key Responsibilities Develop and deploy machine learning models to solve business problems Perform exploratory data analysis and statis ...

Linux DevOps Engineer | Ruby, Coffeescript, NoSQL, Puppet

Linux DevOps Engineer - Linux, Ruby, Coffeescript, Puppet, NoSQL London, United Kingdom Posted 3 months ago This is a job posted by our partner Jooble Planning and Engineering Multi-Site Fail-Over Solutions Happy to get stuck into a complex technology stack (Ruby, Cof ...

Linux DevOps Engineer Linux, Ruby, Coffeescript, Puppet, NoSQL in London Quant Capital

Linux DevOps Engineer - Linux, Ruby, Coffeescript, Puppet, NoSQL London, United Kingdom Posted 3 months ago This is a job posted by our partner Jooble Planning and Engineering Multi-Site Fail-Over Solutions Happy to get stuck into a complex technology stack (Ruby, Cof ...

Senior Data Platform Engineer — JVM, Kafka & Cloud

慨正橡扯 is looking for a Senior Software Engineer to join the M&S Foods Product team in Greater London. In this role, you will develop scalable data services, own end-to-end features, and shape the technical direction of our Food Platform. You will work within an empowered engineering team, where innovation and ...

Open Stack, Salesforce & React Native Specialists Cheshire

Salesforce & React Native Specialists - London Atrium EMEA are looking for several Salesforce & React Native Specialists to support the Development teams onsite with a client in London. 12+mths contract, 2 days onsite/3 days remote, PAYE/Umbrella options. 3 x Salesforce & ...

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 ...

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 ...

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 ...

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 ...

Lead ETRM Solutions Architect

We are partnering with a leading global commodities trading organization seeking an experienced Lead ETRM Solutions Architect to drive the design and evolution of enterprise trading technology platforms. This is a senior leadership role responsible for defining architecture across the full ...

SAP Technical Architect

SAP Technical Architect at N Consulting Ltd Role: SAP Technical Architect Location: London, UK Is it Permanent / Contract: Open for both Perm/Contract . Is it Onsite/Remote/Hybrid: 4 days per week from office for the first few months ...

Software Engineering Lead / Applied AI Engineering

Would you enjoy working on our cutting-edge products? Are you ready for a lead Engineer role? About the Business LexisNexis Risk Solutions provides customers with solutions and decision tools that combine public and industry specific content with advanced technology and analytics ...

Backend Engineer (£75k + Equity) at Mayday

Job Title Backend Engineer Salary £75k + Equity Company Description Mayday is an award-winning accounting-tech startup that recently passed £1m ARR and is doubling its revenue. Founded by experienced entrepreneurs David Tuck and James Scott‑Griffin and backed ...

Principal Observability & Performance Engineer

Salary: £? - ? per year Requirements: Hands‑on software engineering experience building observability or data‑pipeline applications, including metrics aggregation, distributed tracing, or real‑time streaming Proficiency in at least one systems‑level language such as C++, ...

Microsoft AI Engineer

Salary: £50,000 - 90,000 per year Requirements Extensive experience with Azure AI solutions, including Azure OpenAI Service, Azure Cognitive Services, and Azure Machine Learning. Strong programming skills in languages such as Python, C#, or Java, with a deep unders ...

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 ...

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 ...

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 ...

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 ...

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 ...

Principal Engineer Contract Outside IR35

We are currently looking for an experience Principal Engineer to join us on a contract basis. This is a hybrid position and will require 3 days per week on client site in Central London.RequirementsRole responsibilities: Define and driv ...

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 ...

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 ...

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