2,429,391+ Full Stack Java Developer Python Jobs in UK — Top Companies Hiring June 2026

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Senior Frontend & Full Stack Engineer for AI Driven Energy

MFK Recruitment is seeking a Frontend Engineer / Full Stack Product Engineer in London to help build software that enhances customer interactions. This role involves owning customer-facing areas and working closely with stakeholders on product and engineering direction. The ideal candidate will have st ...

Hybrid Full Stack Engineer for Real Time Logistics Platform

Reelables, located in London, is seeking a Full-Stack Developer to lead the creation of innovative smart shipping solutions. In this hybrid position, you will develop and deliver customer-facing features, utilizing your expertise in both frontend and backend technologies, mainly TypeScript and Node.js. You will ...

Full Stack Engineer (Forward Deployed) Digital Client Experience Marsh

Description: Full-Stack Engineer (Forward Deployed) — Digital Client Experience - Innovation & Applied AI - MarshMarsh is hiring a full-stack engineer to join our Innovation & Applied AI team within the DCX initiative, focused on building a competitive digital platform. The ...

Senior Full Stack AI Engineer for Enterprise IT Helpdesk

Sivara GmbH is seeking a Senior Full-Stack AI Engineer to build an AI-powered helpdesk product for enterprise users. This role requires strong full-stack engineering skills and commercial experience with languages like Python and Node.js. The position mandates working onsite in Sheffield three days per week.< ...

Full Stack Engineer (£60k £80k + Equity) at Lichen AI

Job Title: Full Stack Engineer Salary: £60k-£80k + Equity Location: Cambridge, UK Company Description: Lichen AI - Early‑stage agentic platform for AI discovery Job Description: As the first full‑time engineer, you will transform a wor ...

Growth Focused Full Stack Engineer (JS/TS) — Scale Product

Oho Group, located in Greater London, is seeking a Full Stack Engineer specializing in JavaScript and TypeScript. You will engage in building a consumer product used globally, with real ownership over designing and shipping features across mobile and backend systems. The ideal candidate enjoys frequent ...

GenAI Full Stack Engineer Consultant / Senior Consultant Digital Excellence

ROLE DETAILSSBU - InventCU - Business Technology Global Grade - B At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating ...

Remote Full Stack Engineer for AI Tooling and Delivery

Outpost is seeking a full-time Software Engineer to own features across the full stack, focusing on building and improving internal AI tooling. The successful candidate will have 3–6 years of software engineering experience and strong skills in TypeScript, Node.js, and Python. This role requires the ab ...

Full Stack Engineer (TS/React, Node/Go) Cambridge Onsite

IC Resources is looking for a Full Stack Software Engineer to join their team in Cambridge. This role involves working on a significant public-facing web/cloud platform used globally by engineering industries. The successful candidate will have at least 4 years of experience in full-stack development, ...

Senior Full Stack AI Engineer for GenAI in Production

Orbis Group is supporting a top FinTech firm to build their AI Centre of Excellence. They seek a Senior Full-Stack AI Software Engineer to join a growing team and implement AI solutions that add real business value. The ideal candidate should have 5+ years of experience in Software Engineering, particu ...

Senior Full Stack Engineer AI for Mental Health + Equity

Limbic is looking for a Senior Full-stack Engineer to develop innovative AI solutions for mental healthcare. You will design and implement robust features to enhance user experience for patients and clinicians. This role includes working from the London office 1 day per week with remote options available. </p ...

Remote Full Stack AI Engineer: Build Scalable AI Apps

A leading AI modeling company is seeking a Full Stack AI Engineer to design and build AI-driven applications that enhance their software solutions. This remote role impacts numerous organizations by making complex modeling accessible. Candidates should have significant experience in AI/ML applications, strong co ...

Full Stack Engineer (Forward Deployed) Digital Client Experience Marsh

Description: Full-Stack Engineer (Forward Deployed) — Digital Client Experience - Innovation & Applied AI - MarshMarsh is hiring a full-stack engineer to join our Innovation & Applied AI team within the DCX initiative, focused on building a competitive digital platform. The ...

UNPAID VOLUNTEER Technology Officers (Data Scientists/DevOps/Full Stack)

THIS IS AN UNPAID VOLUNTEERING ROLE.Role Title: Technology Officers (Data Scientists/DevOps/Full Stack)Role Nature: VolunteerLocation: Home-basedThe Blockchain & Climate Institute (BCI) is an international volu ...

.Net Full Stack Engineer Consultant/Senior Consultant Digital Excellence

At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today an ...

VP Full Stack Engineer (C#/WPF UI) – Hybrid Leadership

A global financial services company in Northern Ireland is seeking a Full Stack Engineer (C#/WPF UI) to take on a vital role in shaping the future of finance. You will provide technical direction and collaborate across multiple locations while ensuring adherence to architectural standards. Ideal candidates will ...

.Net Full Stack Engineer Consultant/Senior Consultant Digital Excellence

At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and t ...

Senior Full Stack Product Engineer SaaS, AI Driven, Hybrid

Eventogy, a leading UK-based Events Management SaaS company, seeks an experienced PHP Software Engineer based in London. This role focuses on overseeing the development of their platform, integrating REST APIs and modern user interfaces while collaborating with talented developers. The ideal candidate ...

Applied AI ML Lead Python & Agentic AI

As a Applied AI/ML Lead Engineer in our Applied AI ML - Python & Agentic AI team, you will design, build, and productionize Generative AI and Agentic AI solutions. The ideal candidate brings a balanced mix of modern AI/ML delivery (LLMs/SLMs, RAG, tool-using agents, evaluation, MLOps) and backend/service engi ...

Applied AI ML Lead Python & Agentic AI

As a Applied AI/ML Lead Engineer in our Applied AI ML - Python & Agentic AI team, you will design, build, and productionize Generative AI and Agentic AI solutions. The ideal candidate brings a balanced mix of modern AI/ML delivery (LLMs/SLMs, RAG, tool-using agents, evaluation, MLOps) and backend/service engi ...

Python Developer Tier 1 Investment Bank (Equity Derivatives Trading)

Python Developer – Tier 1 Investment Bank (Equity Derivatives Trading) London, UK | Full-Time A leading tier-1 investment bank is expanding its Equity Derivatives business and is seeking a highly motivated Python Developer to join its Front Office technology team in London. Working ...

Quantitative Developer – High Performance Trading (C++/Python) – Hybrid London

An elite algorithmic market making firm is seeking a talented Quantitative Developer to join their highly technical team in London. The role involves developing high-performance trading platforms and implementing quantitative models. Candidates should have experience with C++ or Python, strong system design skil ...

Python Counterparty Credit Risk Senior Developer, Vice President Citi

Discover your future at Citi. Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview < ...

Senior Python Developer — Front Office Risk Tech (LLM/RAG)

Citi is looking for an experienced Applications Development Senior Programmer Analyst in Belfast. This role requires participation in developing and implementing application systems in collaboration with the Technology team. As part of the Wholesale Credit Risk Technology team, you will design innovati ...

Buy Side Trading Systems Developer (Python/.NET/Angular + Databricks)

# Buy-Side Trading Systems Developer (Python/.NET/Angular + Databricks)LondonWork Type:Fixed Term ContractApply Now**Buy-Side Trading Systems Developer (Python/.NET/Angular + Databricks)**NextWave Consulting is hiring a software developer to support a buy-side investment management transformation. This role sits ...

Distributed Compute Developer (Python) London Up to £225k + Benefits

Salary: up to £225,000 P/A Location: London The role: We are looking for a Distributed Compute Engineer to help build the backbone of a next-generation compute platform designed to operate at extreme scale. In this role, you will design and develop the systems responsible ...

.NET Developer Headington

.NET Developer, .NET 10.0, C# 14, Agile – Headington, Oxfordshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We are lookin ...

Trainee Software Developer

Trainee Coding Programme No Experience Needed The experience expected from applicants, as well as additional skills and qualifications needed for this job are listed below. Future-proof your career in Coding starting today. Looking for a career change? Maybe you re already working but want a more technical r ...

Trainee Software Developer

Trainee Coding Programme No Experience Needed Scroll down for a complete overview of what this job will require Are you the right candidate for this opportunity Future-proof your career in Coding starting today. Looking for a career change? Maybe you re already working but want a more technical role with bet ...

Trainee Software Developer

Trainee Coding Programme No Experience Needed Future-proof your career in Coding starting today. Looking for a career change? Maybe you re already working but want a more technical role with better long-term prospects. Or you could be between jobs and ready for a fresh start in tech. The ITOL Recruit Coding ...

Backend Software Engineer Java Fintech

Backend Software Engineer / Developer London / WFH to £100kDo you have expertise with backend core Java development?You could be progressing your career in a senior, hands-on Java Developer role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs t ...

Backend Software Engineer Java Fintech

Backend Software Engineer / Developer London / WFH to £100kDo you have expertise with backend core Java development?You could be progressing your career in a senior, hands-on Java Developer role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs t ...

Development Manager Sprints, C++, AWS

SDLC, Development Manager, Delivery Manager, Sprints, JIRA, Offshore team Management, C++, PHP, JavaScript, Python, AWS, Claude AI This is a brand new role - 2-3 days a week. Our client is looking to recruit a Dev Manager to join its team. The ideal candidate will have a ...

Software Engineer

I'm working with a key client on a high-impact contract role within a fast-paced engineering team building scalable, cloud-native applications. This isn't just another full stack role - they're looking for a hands-on engineer who can build, deploy, and own production systems end-to-end. 📍 The ba ...

Software Engineer

I'm working with a key client on a high-impact contract role within a fast-paced engineering team building scalable, cloud-native applications. This isn't just another full stack role - they're looking for a hands-on engineer who can build, deploy, and own production systems end-to-end. 📍 The ba ...

Founding Engineer (£60k–£80k + Equity) at ThinkDivergent

Founding Engineer (£60k–£80k + Equity) at ThinkDivergent - Building the Neurodevelopmental OS Company Description ThinkDivergent - Building the AI-powered Neurodevelopmental Operating System (NDOS) Job Description Join ThinkDivergent as our first engineering hire to revo ...

Software Engineer Intern

Visa sponsorship is available for this role. We are looking for exceptional talent from anywhere in the world to join our team in London. About Arctic Lake We build sophisticated trading technology for tier 1 banks. We are small now, but we have big ambitions to become a m ...

Senior Backend Developer

Join a dynamic energy provider dedicated to sustainable solutions in the UK.We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended ...

Lead Developer

Lead Java Developer Business Unit: FTSE Russell – Index Platform Company: London Stock Exchange Group (LSEG) We are seeking a highly skilled and hands‑on Lead Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This plat ...

Android Engineer – EdTech for Global Learning

Java Script Works is seeking a full-time Android Developer in London to develop mobile applications using Java and Kotlin. The ideal candidate will have experience in native app development for Android and/or iOS and will benefit from Dev-ops knowledge. The role involves contributing to the EdTech sector, focusi ...

Lead Java Architect – Real Time Risk & Cloud (Hybrid)

A leading financial institution in Greater London is seeking a Lead Java Developer. Your role will involve leading the delivery of Risk enhancements and managing the full development lifecycle. Ideal candidates will have strong experience in Core Java and exposure to Capital Markets technology. You'll get to wor ...

Principal Software Engineer: Modernization (Java/TS)

Java Script Works is seeking a Principal Software Engineer in Bristol, United Kingdom. This full-time position offers an attractive compensation package of up to £95K. The ideal candidate should have experience as a Solution or Enterprise Architect and be familiar with TypeScript and/or Java. Additional knowledg ...

Remote Graduate Software Integrator Java/SQL

Graduate Recruitment Bureau is looking for a Graduate Software Integration Developer to work remotely. This full-time position offers up to £35K in compensation, along with excellent training and a structured career path. You will support the client's integration platforms, including Java and .Net, and regularly ...

Software Developer

Overview We’re working with a hi-tech simulation/ data-analytics company which services the defence and security market. They are looking to expand their in-house software engineering capability with the addition of a Full Stack Software Developer. This mid-level role suits developers with ...

Technical Implementation Consultant Financial Data in London Quant Capital

Technical Implementation Consultant Financial Data London, United Kingdom Posted 10 months ago Tech stack XML SQL Java Job Description This position involves testing and management of new and existing client installatio ...

.NET Developer

.NET Developer, .NET 9 – Social Networking Site – Bishop’s Stortford(Tech stack: .NET Developer, .NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)Our client is the world’s largest social-networking web site and they ...

.NET Developer

.NET Developer, .NET 9 – Social Networking Site – Newbury(Tech stack: .NET Developer, .NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)Our client is the world’s largest social-networking web site and they have ambiti ...

.NET Developer

.NET Developer, .NET 9 – Social Networking Site – Belfast(Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)Our client is the world’s largest social-networking web site and they have am ...

.NET Developer

.NET Developer, .NET 9 – Social Networking Site – Belfast(Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)Our client is the world’s largest social-networking web site and they have am ...

.NET Developer

.NET Developer, .NET 9 – Social Networking Site – Newbury(Tech stack: .NET Developer, .NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)Our client is the world’s largest social-networking web site and they have ambiti ...

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    Full Stack Java Developer Python Jobs in United Kingdom Job Search Guide, Trends and Insights