1 to 25 of 30 Permanent Java Software Engineer Jobs in England

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 ...

Senior Software Engineer/Developer (Java Python Messaging) London/WFH to £140k Are you a Senior Software Engineer with strong Java development experience within finance/trading environments? You could be progressing your career in a hands-on Senior Software Engineer … that support fertility, pregnancy and menopause Employee Assistance Programme Retail discounts and more Continuous training and career progression opportunities Your role: As a Senior Software Engineer you'll design and develop real-time pricing and risk systems, collaborating closely with traders in a front office environment. ...

Software Engineer/Developer (Java Mathematics) WFH/Surbiton to £50k Are you a 'mathematically minded' Software Engineer looking for an opportunity like to progress your career working on complex and interesting systems? You could be joining a global geoscience technology company within … exploration. As a Software Engineer you'll join a supportive Agile team responsible for the company's highly complex web based data management platform/client portal. You'll gain exposure to the full software development lifecycle working on new features and enhancements as well as maintaining ...

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 ...

Java Software Engineer Bristol (Hybrid – 3 days per week) Up to £60,000 Climate Tech Want to grow your backend skills while working on meaningful climate technology? The software you build will support organisations working to better monitor infrastructure, improve operational safety, and accelerate the transition … systems. Their technology brings together sensor data, cloud platforms, analytics, and geospatial insights to provide greater visibility into real-world operations. By combining modern software engineering with environmental innovation, the company is helping drive more efficient and sustainable infrastructure management. The Role We’re looking for a Java ...

Lead Software Engineer - Java Have you got experience in setting technical vision, influencing system design, and guiding teams in delivering secure, scalable, and high-performing services? In this role, you will focus on technical leadership with mentoring others, driving engineering excellence, and ensuring the backend strategy aligns … backend discipline across teams. Lead design sessions, code reviews, and collaborative technical discussions. Skills & Experience Proven experience as a senior or lead backend engineer with Java (11+) and Spring Boot. Expertise in designing and leading backend architectures for complex systems. Strong understanding of AWS, Kubernetes, and modern microservice ...

Senior Software Engineer/Developer (Java Python Messaging) London/WFH to £140k Are you a Senior Software Engineer with strong Java development experience within finance/trading environments? You could be progressing your career in a hands-on Senior Software Engineer ...

Java Software Engineer - DV Cleared - Onsite Maximise your chances of a successful application to this job by ensuring your CV and skills are a good match. As a DV-cleared Software Engineer in Gloucester, you'll develop impactful solutions for government clients, working on Java … collaborative environment with opportunities to mentor, learn new skills, and contribute to vital projects. What You'll Do: Design, develop, test, and document xkybehq software systems using Java Fo Please click on the apply button to read the full job description ...

Senior Java Software Engineer – Commodities Trading - London - Permanent I’m currently partnering with a leading global commodities trading firm undergoing a major transformation of its trading technology landscape, and they are looking for a Senior Software Engineer to join their ETRM journey. This … play a key part in a large-scale migration from a legacy ETRM platform to a new, modern trading platform. Responsibilities: Building Java-based services and integrations across the ETRM ecosystem Driving the migration from a legacy commodities trading platform to a new one Integrating trading, pipeline, and post ...

Software Engineer (Java) To support their aggressive growth targets, my client have identified the need for bespoke systems to streamline and automate their existing production processes. Successful applicants have the exciting task of forming their in-house Software Department, with the key target to develop … make use of cutting edge technology to enable the development of a best in class product. Key responsibilities: Work with the rest of the Software Department team to continually design and develop state of the art production software Contribute to all stages of the development lifecycle Define application ...

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 ...

Java Software Engineer – Data Engineering Up to £100,000 + bonus and benefits 4:1 hybrid in office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development … PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you’ll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the business Write clean, testable code with solid engineering discipline (testing, code review, debugging, production support ...

Backend Software Engineer | High-Growth HealthTech Scale-Up | London (Hybrid) We are working with a fast-growing digital healthcare platform. This is a rare opportunity to join a company where engineering genuinely shapes product, and where the work has measurable real-world impact at scale. The Role … Backend Software Engineer joining a collaborative, Agile engineering team, working across a portfolio of market-leading consumer health products. Every engineer here has meaningful ownership from day one. Day-to-day you'll be designing, building and testing new features, partnering closely with product and design, mentoring ...

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 ...

Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including ...

Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry … leading staff tenure. This hire will be part of a core Software Engineering team, responsible for the vast majority of all applications in the business from front-to-back office.This includes Order Management & Trading Execution, Risk & Finance, Straight-Through-Processing and Corporate Functions. The team deal directly with business ...

Location: London (Hybrid) Salary: Up to £95,000 + bonus + benefits Permanent A leading Tier 1 investment bank is hiring a Java Software Engineer to join a front-office aligned Equities Risk technology team in London. This is a high-impact role focused on building … with a strong focus on: Improving latency, performance, and platform efficiency Building event-driven, distributed systems handling large volumes of market data Developing containerised Java services within a modern cloud-native stack Working in a front-office environment with direct business exposure This is an ideal opportunity ...

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 ...

Location: London (Hybrid) Salary: Up to £95,000 + bonus + benefits Permanent A leading Tier 1 investment bank is hiring a Java Software Engineer to join a front-office aligned Equities Risk technology team in London. This is a high-impact role focused on building ...

Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing and designing software solutions, ensuring adherence to best practices and coding standards, and collaborating with product managers and other stakeholders to deliver high-quality products for the financial services industry. Key responsibilities include coding, debugging, and maintaining applications, conducting code reviews, troubleshooting complex technical issues ...

Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13 billion. Job Description- Job Title: Senior Java Engineer Must Haves- Java, Kafka, Microservices, Spring Boot, Postgres and AWS The Opportunity: We are looking for ambitious and motivated individuals … enabling customers to manage their finances and protect and build their financial futures. Purpose: To cope with our expansion, we are looking for Senior Java Engineers to join our mission and help us build a global product that's scalable, reliable and secure. You will work in tribes alongside ...

Full Stack Software Engineer Join a trusted supplier delivering mission-critical solutions in the defence and national security sector. You will work on leading-edge technologies across AI/Data Science, Cyber, Cloud, DevOps/SRE, and Platform Engineering, developing solutions that protect people, platforms, and information against … constantly evolving threats. The Role As a Full Stack Software Engineer, you will design, develop, and maintain mission-critical softwares. You will work on novel products that combine physical and digital systems, collaborate closely with clients to define strategy, and explore emerging technologies. Key responsibilities include: Writing clean ...

Senior Software Engineer (JVM based ecosystem/Backend leaning) £90,000 – £120,000 | London (Hybrid – 3 days in office) The Opportunity We’re partnered with a scaling, venture-backed SaaS business delivering a mobile-first platform used by large distributed workforces across global enterprise organisations. This … workflows, and integrate workplace tools into a single platform used by large global enterprises. Customers include large brands operating at significant scale, meaning the software is used daily by large, distributed user bases. The Engineering Environment & Culture You’ll be joining a company of around 130 people in total ...

Java Developers – AWS, Kafka & Spring Boot Contract: 12 Months | £775 per day | Inside IR35 We are looking for an experienced Java Developer to join a high-performing engineering team on a 12-month contract , working on modern, cloud-based systems. Key Responsibilities Design, develop, and maintain scalable Java … developers Write clean, testable, and well-documented code Participate in code reviews and contribute to best practices Required Skills & Experience Strong commercial experience with Java Hands-on experience with Spring Boot Kafka & Kubernetes Solid knowledge of AWS services (e.g. EC2, S3, Lambda, RDS, ECS) Experience building RESTful APIs ...

Overview We are seeking a Senior Java Developer to join a regulated banking environment in London. You will work on cloud-native services using a modern Java stack, contributing to secure, resilient platforms that support critical banking products. Key Details Location: London, Greater London, United Kingdom Rate … Contract: Minimum 6 months, high potential to extend Work pattern: 2 days per week, onsite Responsibilities Design, build and maintain Java microservices and APIs using Spring Boot. Own delivery end-to-end: requirements clarification, implementation, testing, deployment and support. Improve engineering practices, code quality, observability and operational resilience. Work ...