1 to 25 of 34 Permanent Java Software Engineer Jobs in England

Senior Java Software Engineer - Java Developer, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research … machine learning techniques. My client is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some ...

exciting opportunity for a Java Software Engineer has arisen with a leading semiconductor company specialising in high-performance mixed-signal processing, based in London. This is an exciting opportunity for a Java Software Engineer to design and evolve cross-platform applications, SDKs, and developer … tooling. You’ll work closely with UX specialists, hardware teams, and software engineers to build polished internal tools that power advanced hardware configuration and tuning workflows. You will commit to a hybrid working model, with a minimum of one day per week onsite in the London office. Experience ...

Principal Software Engineer/Developer (Java SpringBoot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer you will lead client projects, often long term technical transformations, designing, developing and delivering a range of projects for clients, mainly within the financial services sector and with a focus on migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. ...

Backend Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £120k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded … using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech ...

Description Software Engineer, Developer, Backend – Java – Identity - IAM Contract – Until End of December 2026 (Renewable) Rate: £500 per day – Inside IR35 Location:Essex based offices (between Brentwood and Basildon) 4 days a week The banking and finance arm of one of the world’s leading manufacturing companies … household name is seeking a software engineer, software developer with Backend, Back End and Identity Access Management (IAM) expertise. The Backend Software Engineer will join the Identity Management Services team, (IAM) focusing on the core platform work that powers identity infrastructure. Main Tasks & Responsibilities: > Design ...

Software Engineer | Java | Bristol | Hybrid We're supporting one of our best Tech for Impact clients who are making a genuine difference to people's lives and their Engineering team is a big part of how they do it. With around 65 engineers across Bristol and London … they're building smart, scalable software that keeps hundreds of thousands of customers moving, and they are the nicest people ever! The role We're supporting the hire of a mid-level Software Engineer (3-5 years ish experience) to join an established, cross-functional product team. ...

Java Software Developer Duration: 3-Months Initially - working on a 1-year programme IR35 Status: Inside IR35 - £450 per day Clearance: SC Preferred failing this SC eligible Location: Once a Month travel to either: London, Liverpool, Nottingham, Newcastle, Cardiff, Ipswich, Brighton Start Date: ASAP We are seeking … highly skilled Java Software Engineer's to work on a UK Government programme.. Tech Stack: Strong recent experience with Java 20 or above RESTful API design (Recommended have experience with OpenAPI) including versioning Spring Boot 3 or above Spring Data JPA/Hibernate Experience with relational ...

Description Senior Software Engineer (Java/Python/Cloud & AI) We're looking for a Senior Software Engineer to join a high-performing technology team building scalable, cloud-native applications and AI-powered solutions within a fast-paced enterprise environment. You'll work as part … helping shape the future direction of modern AI-enabled systems. What you'll be doing Designing, developing, and maintaining secure, scalable backend applications using Java and Python. Building and optimising cloud-native services and distributed systems within AWS environments. Developing intelligent search and AI-driven workflows, including semantic search ...

Java Software Engineer – Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work … across the UK. This is a fantastic opportunity to contribute to meaningful projects while enjoying flexible working arrangements and excellent development opportunities. Key Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java ...

Contract Senior Software Engineer (Java or Python) | Inside IR35 Contract length: 6 months (with potential to extend) Location: London Working Environment: On-site You will be joining a private equity firm as a senior software engineer, to work across the following responsibilities: Develop and support … production-grade code Provide production support, working with Platform and SRE teams as needed Key Requirements: Technical: 8+ years commercial experience in Python or Java across the full development lifecycle 5+ years in financial services (buy-side strongly preferred) Solid relational database skills; MS SQL Server a strong plus ...

Software Engineer - Java/Back End Hybrid - 2 days per week in the office Java, PostgreSQL, API We are looking for an experienced Back End Developer with excellent Java, PostgreSQL and API skills due to software development moving from an outsourced model … highly involved with knowledge transfer, including code walkthroughs, pairing sessions, and documentation reviews with the outgoing external team. Gain understanding of the current Java application architecture - service boundaries, dependency injection patterns, build system, and deployment configuration. Design and implement new back-end features, enhancements, and bug fixes in Java ...

IMMEDIATE JOINERS !! Java Software Developer Location: London Work Mode: On-site Job Type: Full-time The Role We are looking for a Java Full Stack Developer who A Java Developer (2-5 years experience) designs, codes, tests, and maintains scalable Java applications, collaborating with teams … Development: Design and develop high-volume, low-latency applications for mission-critical systems. Back-End Excellence: Write clean, maintainable code using Java and the Spring Boot ecosystem. Front-End Innovation: Build responsive, user-friendly UI components using React, Angular, or Vue.js . Database Management: Design and optimize schemas ...

Senior Java Engineer – Low Latency Trading London/New York (Hybrid) Skills: Java, Java 23, Low Latency, Trading Platforms, Market Data, Aeron, Kafka, Chronicle, FIX Artemis Talent is partnering with a leading trading technology firm building high-performance, real-time trading systems used across global markets. … sensitive infrastructure across order management, execution, and market data where performance and reliability are critical. The Role Design and build low-latency, high-throughput Java systems Optimise performance across latency, concurrency, and memory Contribute to mission-critical trading platforms (OMS/EMS, market data) Work closely with engineering ...

Senior Software Engineer - London Harrington Starr are working alongside a unique financial trading technology firm who are seeking 10+ Senior Java Developers to join their Core Development team and build out low latency systems. You absolutely have to have is a demonstrable interest in technology, precision … successful candidate will have strong appreciation of Linux, common design patterns, and be a practitioner of TDD. For the role of the Senior Java Engineer you will need the following skills: Strong knowledge of Core Java development, ideally in a low latency/real time environment Strong ...

Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves … mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with project and business goals. Mentor ...

Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves … mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with project and business goals. Mentor ...

Java Software Engineer - Microservices | Payments | Enterprise-Scale Systems Were looking for an experienced Senior Java Developer to join a high-performing engineering team delivering large-scale, business-critical platforms in a complex enterprise environment. This role is suited to someone who enjoys solving real business problems ...

Java Software Engineer - Microservices | Payments | Enterprise-Scale Systems If the following job requirements and experience match your skills, please ensure you apply promptly. Were looking for an experienced Senior Java Developer to join a high-performing engineering team delivering large-scale, business-critical platforms ...

Role: Software Engineer (Java) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: Java as a main language This firm is an elite fintech company with exceptionally high standards, renowned for building cutting ...

client - a global automotive systems industry leader - is looking to hire an Principal AI Software Engineer (Java) to join them on an initial 6-month contract, with a view to transition to permanent employment. This role will be operating as part of a high-functioning team focused … Code, Copilot). This role is remote-working (with some occasional visits to site), and will be operating inside IR35. Requirements Deep expertise with Java/Spring/AWS Hands on production grade experience - or leastPoC forLLM's They will be creating agents and creating code that ...

looking to recruit an experience Java Software Engineer who has experience of developing IT Security Applications. Experience of developing AI integrated applications would be a real advantage. In this role you will working in Java on the development of new IT Security Applications to protect Microsoft ...

Description : We are looking for a hands-on Java Developer with deep experience in Apache Struts and enterprise Java migrations to join our application development team. You will be stepping into an active, in-progress migration — 6 of 17 modules have already been completed, and established patterns … structured, well scoped engineering work and takes pride in clean, validated, production-ready output. Key Responsibilities: Develop, maintain, and enhance enterprise applications using Java (Java 11/17) Work extensively with Apache Struts 2.x framework, including: ActionSupport ServletActionContext Interceptors OGNL expressions XML-based configuration Support and execute Jakarta ...

Description Java Developer - multiple roles £510/day Inside IR-35 6 month contract Active SC required Remote with occasional travel to London for client meetings only - expensable We are looking for experienced fullstack Java Software Engineers to support projects across UK Government and Law Enforcement. … work in multidisciplinary teams delivering secure, reliable and scalable systems. The role is hands-on and focused on building high quality software using modern engineering practices. What you'll do You'll design, build and maintain Java based microservices, applying test driven development and following established engineering standards. ...

Backend/Java Engineer (Mid–Senior) Location - Leeds (3 days onsite) Permanent FTE Salary - £65–80K + 10% bonus No sponsorship I'm working with a client recruiting for a Mid - senior Java FS developer. What you’ll do Build and maintain Java-based services Deploy … solutions in AWS Contribute to CI/CD and automation Support live systems (incl. on-call) Collaborate across engineering teams Required skillset 5+ years Java (Spring) experience Strong AWS knowledge (e.g. Lambda, ECS, S3, API Gateway) CI/CD tools (e.g. Jenkins) Frontend exposure (Angular/JS/ ...

Must Have – Java, Low-latency, financial services background, and hands on coding skills "Our app relies heavily on async development, we use vertex. it takes significant time to switch perspective. And to lead he need to already have significant intuition with that, and some modern messaging like Aeron … rounds of discussions including one face to face at canary wharf client office. DETAILED RESPONSIBILITIES- - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers ...