601,369+ Lead Aidriven Software Engineer Python Java Jobs in UK — Top Companies Hiring June 2026

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Hybrid Manchester Full Stack Engineer (Java/React)

A leading global financial information services company is seeking a Full-Stack Software Engineer in Manchester. This role focuses on developing data-driven applications using Java and React, with responsibilities including data integration and collaboration in an Agile environment. The successful candidate will ...

Senior Full Stack Engineer (Java/React) Flexible Hours

Elsevier, located in Oxford, is seeking a Senior Full Stack Software Engineer with expertise in Java and React. This role involves designing, developing, and deploying applications for scientific research publication. You will enhance systems while collaborating with Agile teams to ensure innovative solutions ...

Senior Algo Trading Engineer – Low Latency, Hybrid London

Citibank (Switzerland) AG is seeking a Senior Algo Trading Software Engineer in London. This role involves designing and developing Citi's next-generation low-latency execution platform, collaborating with cross-functional teams, and enhancing product features. Candidates should have strong knowledge in low late ...

Staff Software Engineer, Identity & Access Platform

P2P is looking for a Staff Software Engineer to shape identity across their portfolio of products in the UK. This role involves steering the technical direction of the authentication platform, leading the design of a unified identity experience, and building secure platform services on Kubernetes. Required quali ...

Principal Android Developer in Manchester Searchability (UK) Ltd

Job Opportunity: Principal Android Developer We are currently seeking a hands-on Principal Android Developer with deep experience in Android application development. The ideal candidate should have excellent skills in Java and Kotlin, as well as a solid understanding of REST APIs, JSON, and TDD/B ...

Low Latency E Trading Engineer | Hybrid & High Impact

Citi is seeking a Software Engineer within its Equities Technology team in Greater London. The role focuses on designing and developing low-latency execution platforms for electronic trading. Key responsibilities include core development, collaboration with traders for product features, and improving t ...

Senior Java Engineer Remote, Flexible Hours, Growth

A leading digital consultancy in the UK seeks a talented software engineer to develop RESTful Java APIs and collaborate with cross-functional teams to deliver outstanding solutions. You will play a key role in the success of various client projects, mentoring your team and advocating for best engineering practic ...

Senior Java Engineer: Scale the Price API in the Cloud

A leading UK supermarket is seeking a skilled software engineer to join the Price Service team, working on a critical HTTP API. The role involves designing and implementing scalable systems using Java 8+, with an emphasis on cloud platforms and Agile methodologies. The ideal candidate will possess strong problem ...

Senior Test Automation Engineer — Remote & AWS CI/CD

CACI Ltd is seeking a Senior Test Automation Engineer based in Bromley, UK. This role involves ensuring the quality and reliability of software products through automated testing solutions. Responsibilities include designing automation strategies, collaborating with cross-functional teams, and mentoring junior e ...

Senior Java Engineer Remote, Flexible Hours, Growth

A leading digital consultancy in the UK seeks a talented software engineer to develop RESTful Java APIs and collaborate with cross-functional teams to deliver outstanding solutions. You will play a key role in the success of various client projects, mentoring your team and advocating for best engineering practic ...

Senior Java Backend Engineer — Pricing API & Cloud Systems

Salt Digital Recruitment is looking for a Senior Software Engineer to join their London office on a 6-month contract with a day rate of £400 - £500. The role requires strong experience with Java and cloud platforms, and focuses on designing scalable backend systems and maintaining cloud-native infrastructure. ...

Software Engineer I: Backend & Distributed Systems

American Express is seeking a Software Engineer to contribute to highly scalable backend systems in their Modern Money Movement team. This role involves developing payment capabilities and working within an Agile Scrum team. Candidates should have experience in backend development, ideally with Java or ...

Principal Platform Engineer Cloud Native & Reliability

A leading fintech scaleup based in City Of London is looking for a Principal Software Engineer to provide technical leadership while remaining hands-on in a platform team. This role involves architecting multi-region infrastructure services and establishing best practices. The ideal candidate will have strong ba ...

Senior Backend Engineer — Platform & Scale (Hybrid)

Personio is looking for a Senior Software Engineer to join their EO team in London. In this role, you will evolve backend systems that power key functionalities of Personio while working collaboratively with various teams. The position requires experience in backend engineering, familiarity with Java or Kotlin, ...

Real Time Payments Engineer (Java, Spring, Kafka)

A leading technology firm in Greater London is looking for an experienced Software Engineer to develop innovative solutions in the real-time payment processing sector. The ideal candidate will have expertise in Java, experience with reactive programming using the Spring framework, and be familiar with Agile meth ...

Senior Software Engineer — ASP.NET/React ERP Web Apps

Java Script Works is looking for a Senior Software Engineer to join their team in Hungerford, United Kingdom. The ideal candidate has hands-on experience in web and application development using ASP.NET, JavaScript, TypeScript, React, and Web API, with ERP systems experience being a plus. The position offers a f ...

Staff Software Engineer Global Backend Architect

Numi is looking for a Staff Software Engineer to join their e-commerce and mobility platform team in Manchester. This role requires advanced knowledge of Scala or Java and a passion for mentoring senior engineers while driving technical direction across global platforms. The ideal candidate will have e ...

IAM Platform Engineer — Full Stack & Security

Barlowe LLP is seeking a skilled Software Engineer to join their Security Technology team focusing on Identity & Access Management. The ideal candidate will have full-stack engineering experience, particularly with React and Java or C#. Responsibilities include designing solutions for authentication and autho ...

Senior Software Engineer — Fulfilment Platform

Tesco - Corporate, located in Welwyn Garden City, is seeking a talented software engineer to join their global Java tech team. The role involves designing and developing high-performance applications within the new Fulfilment platform, utilizing various modern technologies such as SpringBoot, Kafka, and Azure ...

Staff Engineer (Tech Lead), Full Stack

Who we are 4C Strategies builds organisational readiness and military training management software for clients in over 70 countries. Our flagship product, Exonaut®, is used by NATO and allied forces to plan, run and evaluate exercises in real time. Our consultants and engineers work alongside arm ...

Senior Staff Generative AI Engineer, Vice President

At Citi, we are pioneering the future of enterprise operations through innovative technology. Our COO-Technology Engineering and Architecture capability is at the forefront, responsible for architecting best-in-class solutions, driving end-to-end transformation, and integrating cutting-edge Generative AI s ...

Integration Engineer

Transform9 is committed to transforming healthcare communication through our innovative conversational agent platform, improving patient engagement and access to care. We are seeking an experienced Integration Engineer to join our technical team. In this role, you will be responsible for designing, develop ...

Software Developer

We are looking for a Full Stack Developer with foundational to intermediate AI/ML knowledge to help build intelligent, scalable software applications with AI features. You will collaborate with software teams in projects delivered using either Waterfall or Agile methodologies, depending on business ...

Software Engineering Specialist

Software Development Specialist / Professional Location: London, Cheltenham, Ipswich, or Manchester (Onsite) Hours: 37.5 hours per week Clearance Requirement: Active DV (Developed Vetting) clearance is mandatory. About the Role We are seeking engineers with stron ...

Project Manager Cloud Computing OHO Group Ltd. – Posted by admin

Full-Time Project Manager - Cloud Computing About the Job Project Manager needed by vibrant Cloud Computing company in Edinburgh. This rapidly expanding company is looking for an IT Project Manager to take control of client‑facing projects in their Edinburgh office. It is an oppor ...

Full Stack Engineer AI Enabled – Senior Vice President

**_Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we bu ...

mthree Junior Software Developer (Go Lang)

mthree - Junior Software Developer (Go Lang) UK Start Your Career as a Junior Golang Developer with mthree! We are looking for software engineers to join a team delivering end‑to‑end software solutions, building systems from the ground up rather than relying on off‑the‑she ...

Junior C# Desktop Application Developer Graduates Considered

Job DescriptionJunior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering ...

Junior C# Desktop Application Developer Graduates Considered

Junior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering excellent training, career ...

Junior C# Desktop Application Developer Graduates Considered

Job DescriptionJunior C# Desktop Application Developer - Graduates Considered A fantastic opportunity for a Junior Software Developer with strong C# knowledge to join an industry-leading software company based in Leicestershire. Offering ...

DevOps Engineer

Overview Our client is a cutting-edge FinTech company with a reputation for innovation and excellence. They design and build advanced trading and analytics platforms used globally by some of the world’s leading financial institutions. With ambitious plans for growth and new product launches, they ...

Software Development Engineer In Test R&D Decisioning team

Job Description Software Development Engineer in Test - Hybrid, Location We’re a leader in data and AI. Through our software and services, we inspire customers around the world to transform data into intelligence - and questions into answers. If you're looking ...

Software Development Engineer in Test SAS Viya Platform

Job Description S oftware Development Engineer in Test - SAS Viya Platform - Hybrid Nice to meet you! We’re a leader in data and AI. Through our software and services, we inspire customers around the world to transform data ...

Hybrid SDET: AI Driven Decisioning & Test Automation

Job Description Software Development Engineer in Test - Hybrid, Location We’re a leader in data and AI. Through our software and services, we inspire customers around the world to transform data into intelligence - and questions into answers. If you're looking ...

AI Driven SDET for SAS Viya Platform (Hybrid)

Job Description S oftware Development Engineer in Test - SAS Viya Platform - Hybrid Nice to meet you! We’re a leader in data and AI. Through our software and services, we inspire customers around the world to transform data ...

Software Engineer III JPM Personal Investing

Job Responsibilities Deliver end-to-end cutting‑edge solutions in the form of cloud‑native microservice architecture applications leveraging the latest technologies and the best industry practices. Design, estimate costs for and implement technical solutions written in Java/Kotlin ...

Front Office Python Developer – Trading Systems

Front Office Developer - Trading Technology - Python Get AI-powered advice on this job and more exclusive features. This range is provided by Orbis Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range <p ...

Senior Software Engineer in Newbury, West Berkshire

We are looking for an experienced Senior Software Engineer to work for a small, well established company based in Central Newbury. This is an 'all round' role where no two days will be the same. The role is to deliver high quality, reliable software that meets both the business and our customers’ n ...

Senior Software Engineer (Hybrid in London)

Senior Software Engineer Location: London (Hybrid) Salary: Competitive + Bonus + Benefits I’m currently working with an exciting and rapidly growing fintech business looking to hire a Senior Software Engineer to join their high‑performing engineering team. This is an opportunity t ...

Remote Python SWE for AI Model Ops (Contract, 20h/wk)

Mercor is seeking a Python Software Engineer (SWE) for a remote, contract position. The role involves developing and maintaining complex production-grade Python systems, optimizing performance, and collaborating with leading AI labs to improve model training. Qualified candidates should have experience ...

Senior Data Engineer

iO Associates - UK/EU provided pay range This range is provided by iO Associates - UK/EU. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from iO Associates - UK/EU Senior Delive ...

Solution Architect in Northampton Barclays

Solution Architect Northampton, United Kingdom Posted about 1 year ago Tech stack PostgreSQL Amazon AWS Architecture Java MongoDB DynamoDB Python Spark ETL Requirements ...

Applied Scientist, Advertising in London Amazon Development Centre (London) Limited

Applied Scientist, Advertising London, United Kingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack C Java Python Basic Qualifications PhD, or a Master's degree and experience ...

Senior Clojure Developer in London GroupM

Senior Clojure Developer London, United Kingdom Posted 11 months ago Tech stack JavaScript ClojureScript Terraform Clojure Amazon AWS Python TypeScript GCP Full-stack React Ja ...

Implementation Consultant Fintech in London Quant Capital

Implementation Consultant - Fintech London, United Kingdom Posted 11 months ago Qualifications Any BSc degree in Computer Science, Chemistry, Physics, Economics, or Engineering. Programming Languages C# C++ SQL Java MA ...

AI Engineering Consultant in Cardiff Proxima

AI Engineering Consultant Cardiff, United Kingdom Posted 10 months ago Tech stack GCP Python Java Amazon AWS R Azure Artificial Intelligence Requirements Experience in AI/ML ...

AI Engineering Consultant: Gen AI & Cloud Innovator

AI Engineering Consultant Cardiff, United Kingdom Posted 10 months ago Tech stack GCP Python Java Amazon AWS R Azure Artificial Intelligence Requirements Experience in AI/ML ...

Remote Senior Platform Engineer (Remote) Xata

Requirements Experience with infrastructure as code. Hands-on experience coding, ideally in Python, Go, or Typescript with a focus on clean, maintainable code. Experience with observability tools and incident management. Staff-Level Full-Stack So ...

Senior Platform Engineer Infra as Code & Observability

Requirements Experience with infrastructure as code. Hands-on experience coding, ideally in Python, Go, or Typescript with a focus on clean, maintainable code. Experience with observability tools and incident management. Staff-Level Full-Stack So ...

Engineering Manager: People & Tech Leader (Hybrid UK)

Capital One is seeking a Software Engineering Manager to lead a team in Nottingham. The role emphasizes coaching engineers, providing technical leadership, and ensuring compliance in software delivery within a regulated environment. Ideal candidates have experience in Java, AWS, and strong communication skills. ...

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