1 to 25 of 47 Java Engineer Jobs in the South East

Social network you want to login/join with: Senior Software Engineer – Java Backend, slough col-narrow-left Client: TechHeads Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: London (5 days onsite, with some ad-hoc flexibility) TechHeads is … currently seeking a Senior Software Engineer with strong Java backend experience, DevOps awareness, and proven technical leadership capabilities to join our Client’s London team. This is a high-impact role involving the design, development, and deployment of backend services that power our client’s security platform. You’ll work on systems at significant scale, leading both engineering … efforts and mentoring team members, while collaborating with globally distributed teams in the US, Ireland and India. Responsibilities: Design, develop, and maintain Java-based backend services using Spring Boot , REST/GraphQL , Kafka , PostgreSQL , and RabbitMQ . Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes , CI/CD pipelines , and legacy system migrations. Innovate across More ❯

We at Qualient Technology Solutions are looking for a Java Full Stack Developer based in United Kingdom. Role Title: Java Full Stack Developer Role Location: Reading, UK Role Type: Permanent (Hybrid) Job Description:- Must have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate Strong understanding of Microservice architecture Experience More ❯

We are currently partnering with a global technology leader seeking a Senior Java Developer. You will be at the forefront of cutting-edge technology, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry-leading solutions, ensuring they remain reliable and scalable. As a Senior Java Developer , you will … in an agile environment, you’ll collaborate with cross-functional teams to define, design, and implement innovative features while mentoring junior engineers. Duties: Develop high-quality, performant, and reliable Java applications. Guide and mentor developers, including offshore teams and contractors. Oversee software architecture, ensuring seamless integration with various platforms. Gather and analyse requirements, refining features and technical solutions. Lead … performance, and drive best coding practices. Manage defects and oversee their resolution across the development team. Experience: 4+ years of experience in software engineering, with a strong focus on Java development. Experience leading and/or mentoring technical teams within fast-paced, agile environments. Expertise in microservices architecture, REST API development, and security. Strong DevOps knowledge, particularly with Ansible More ❯

Social network you want to login/join with: Lead Java Software Engineer – Systematic Hedge Fund, slough col-narrow-left Client: Winston Fox Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job Description: Lead Java Software Engineer with around … back, outside of Portfolio Management and Research systems, including Execution and Order Management systems, as well as Risk, Fund Accounting, Operations and Corporate Functions. Software is mainly written in Java but also the team also work with Python, MATLAB, SQL, AWS, Docker, Kubernetes, Linux and CI/CD, as well as integrating with various SaaS products, such as HRMS. … grow their careers through management and coaching, as well as engaging with the external Tech community through conferences and meetups. Requirements 7-10 years of experience as a software engineer in a professional environment, managing projects to take requirements from concept to production use. Financial experience and domain knowledge – especially Buy Side and/or Electronic Trading. This could More ❯

tech stack may be. Hear more from the team in some case studies, below, and our work with Women In Tech . Day in the Life of a Software Engineer Running a Backend Team We are looking for engineers at all levels to join the team. We value people being engaged and caring about customers, caring about the code … to apply themselves to a multitude of problems and challenges, who can work across teams do great things here at Engine, to continue changing banking for good. As an Engineer you will: Contribute to our award-winning platform and internal tooling Build new features and products from scratch in a configurable way Share your knowledge with those around you … and we care more about aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, but you need not be an expert when you join us! We believe in clean coding, simple solutions, automated testing, and continuous deployment. If you care enough to find More ❯

make an impact in this role? BIP supports B2B & International payments, one of the fastest growing segments of our business. We are looking for a high performing and enthusiastic Engineer to join our innovative BIP team in GCS at American Express in Burgess Hill. This role offers an exciting opportunity to work on cutting-edge technologies, develop scalable solutions … development process where appropriate. Provide technical support and troubleshooting expertise for production systems as required. Minimum Qualifications: Minimum 4- 5 years of professional experience in software development. Proficient in Java and/or Kotlin Experience with microservices architecture and RESTful API design and development using Sprint Boot. Familiarity with cloud platforms (e.g., AWS, Azure, or Google Cloud) and containerization More ❯

Contract Opportunity: Java Software Engineer Location: City of London Contract Type: Temporary & Contract Sector: Software Development Salary: £400.00 - £450.00 Daily Reference No. BBBH375087 Contract Opportunity: Java Software Engineer - Outside IR35 Location: Central London (Hybrid - 2 days onsite)?? Contract: Outside IR35 | Rate: £450/day? Start: Late July/Early August | Duration: 12 months (with extensions) Looking … your next full-stack contract? Join a high-impact workstream focused on transforming the customer experience journey for a confidential client in a modern, cloud-native environment. Tech Stack Java, Spring Boot Angular, React, TypeScript AWS, REST APIs, Microservices MySQL What You'll Be Doing Building and maintaining scalable backend services using Java & Spring Boot Contributing to frontend … infrastructure Supporting QA efforts and ensuring high code quality Collaborating in a hybrid team (2 days onsite in Central London) What We're Looking For Strong experience in backend Java development Solid frontend capabilities (Angular, React) Familiarity with AWS and microservices Comfortable with hybrid working and fast-paced delivery Available to start immediately (first week of June) Interview Process More ❯

Staff Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient … social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Staff 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 stack is based on Kotlin, SpringBoot … liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs and permission based systems You have a good understanding of software architecture and have experience of building systems from More ❯

Endeavour Recruitment have an outstanding opportunity for an experienced Software Engineer (Java/C++) for a globally renowned software business. Within this role the Senior Software Engineer will form part of team dedicated to designing, coding and testing a range of industry leading products. As senior member of the team you will; Provide technical leadership and motivation … Support the development process Contribute to planning Take overall responsibility for the design and implementation of projects You will have proven experience of; Delivering complex Java and C++ applications Developing within the Scrum framework Writing Tests and TDD OO programming experience Test Automation Desirable experience of; Experience as a Scrum Master, Project or Technical Lead In return you can More ❯

Our client, a growing technology consultancy supporting public sector transformation, is looking for a Full Stack Software Engineer to join their collaborative and high-impact team. This is a fantastic opportunity to contribute to a major national programme by developing and integrating secure software systems used across government and defence. This role will require 1-2 days per week … onsite in Milton Keynes, with the remainder remote. Responsibilities:* Design, build and test complex full-stack applications using Java and React* Develop secure software solutions, integrating open-source and proprietary technologies* Contribute to API design and system architecture for private cloud and air-gapped environments* Work closely with end-users, solution architects and academic partners to deliver user-focused … in both internal and client environments* Produce well-documented, testable code and maintain strong configuration control What we're looking for:* Strong experience in back-end development, ideally with Java and/or Python* Front-end development experience using JavaScript and React* Good knowledge of relational databases and both Linux and Microsoft environments* Familiarity with secure DevOps principles and More ❯

Senior Java Developer 🌍 Up to £150k 💸 - Remote Working 🏡 – 6+ years experience Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer who is able to leverage advanced technologies to create impactful solutions in … a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java , without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. Key Requirements ✅ 6+ years with extensive hands-on … experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading, low-latency solutions, and data stream management. Strong understanding and practical expertise in asynchronous techniques. A degree in Computer Science, Engineering, or a related discipline is desirable. Benefits 🌈 Up to £150k, depending on experience (6+ Years) 💸 Fully remote working 🏡 Access to a More ❯

Backend Software Engineer/Developer London onsite to £160k Are you a Java technologist with strong knowledge of software engineering best practices and backend development experience looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work? You could be joining a scaling Cyber Security technology company that has just … received £100 million investment. As a Backend Software Engineer you'll join a small, Agile team using core Java within a TDD environment deploying to AWS. You'll design and develop new features and enhancements across two security product areas, working across the full development lifecycle; you'll be able to input ideas and have your voice heard … in London five days a week with a wide range of facilities and an array of perks including free, chef cooked meals. About you: You have strong backend core Java development skills You have a strong knowledge of software engineering best practices and have experience with TDD You have a good knowledge of SQL and Networking (TCP/IP More ❯

Role: Software Engineer Location: 1-2 days a week in London Salary: £60,000 - £80,000 + Bonus Are you a motivated java microservices specialised software engineer looking to elevate your career? Are you a meticulously and driven problem solver with a can do attitude? Then you'll value the highly specialised and parliamentary professional environment this … role offers with great benefits and progression pathways to anyone looking to take themselves to the next level. We are looking for a handful of the best mid level engineer we can find to take part in some of the largest up coming projects in the banking industry You'll be working within a feature team and using your … extensive experience to engineer software, scripts and tools a often complex, as well as liaising with other engineers, architects and business analysts across the platform. Ideal Candidate: Building applications in Java, ideally as microservices JUnit experience is ideal Building quality into the applications that you create and being able to evidence this usually with exposure to Test Driven More ❯

Role: Software Engineer Location: 1-2 days a week in London Salary: £80,000 - £115,000 + Bonus Are you a motivated java micro-services specialised software engineer looking to elevate your career? This is an opportunity for a technically minded individual to be designing, producing, testing and implementing working code, working across the life cycle of … infrastructure. You'll also be liaising with principal engineers, architects in the domain and other key stakeholders to understand how the platform works We are looking for a senior engineer we can find to take part in some of the largest up coming projects in the banking industry Ideal Candidate: We're looking for someone with strong server side … ll also need to be capable of complex requirements analysis capture and validation against and with business and platform requirements. Additionally, you'll demonstrate experience of: Building microservices in Java, ideally with a broad experience of frameworks, including asynchronous frameworks like Project Reactor Designing, building, deploying and running services for retail scale workloads and considerations for running at scale More ❯

Job Title: Java Engineer (Messaging - Transport Layer and Unix) Contract: 12 Months Location: London (2 to 3 Days Onsite) Work Pattern: Full Time Rate: Highly Competitive for Suitable Candidates Are you a passionate Java Engineer ready to make an impact in the fast-paced financial industry? Our client is looking for a talented individual to join … you will play a crucial role in the design, implementation, maintenance and testing of a state-of-the-art Equities position keeping system. Your Skills & Experience: Strong professional core Java development, Stong Unix, Messaging services and law latency experience. Experience with messaging services such as TIBCO RV/EMS, JMS, AMPS, and Apache Kafka is essential Proven experience in … Unix, multi-threaded, large scale, fault-tolerant systems. Proficient in SQL queries and familiar with the Agile framework, including JIRA and Confluence. Familiarity with front-end tools like Java AWT and Google Web Toolkit. Solid understanding of object-oriented design principles and Java garbage collection, with a focus on concurrent low latency I/O is essential. Can More ❯

complete full-time training and will then be assigned to work in a junior role with one of our trusted client partners as a 'Spartan' consultant. As a Junior Java Engineer you will: Work closely with developers, designers, analysts, and testers to build and refine digital solutions Solve real-world challenges on dynamic and meaningful projects Write clean … your collaborative skills, problem-solving abilities, and growth mindset to secure your spot in the Academy. Person specification: To qualify, you need to demonstrate some experience or understanding of Java similar technologies. Most importantly, you should have a strong eagerness to learn and grow. We're also seeking passionate individuals who align with our values: Empathy & Diversity - Integrity, respect More ❯

Social network you want to login/join with: Principal Engineer (Java/Kotlin), Slough Client: Xcede Location: Slough, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Role: Principal Engineer Stack: Java, Kotlin, AWS Location: London, Hybrid (2-4x Month) Xcede is partnering … with a FinTech scale-up building a new SaaS platform integrating directly with major banking institutions. What will you do as a Principal Engineer? Lead architectural discussions and act as the technical authority within the engineering team. Collaborate with Product Managers and Engineers to optimize solutions. Engage with clients to gather requirements and understand problems. Set best practices and …/Kotlin, Typescript, AWS). Experience building and designing large-scale engineering platforms. Comfortable working with both technical and non-technical stakeholders. 3+ years as a Principal/Staff Engineer or Architect. Experience dealing with clients in a commercial environment (consultancy, SaaS, etc.). Preference for experience within SaaS or FinTech. If this sounds interesting, please apply or reach More ❯

Vacancy for Java Software Engineer at Preservica Abingdon/Remote, UK The projects at Preservica are at the forefront of commercial software solutions, focusing on smart digital preservation technology. Our award-winning software is used by leading businesses, archives, libraries, museums, and government organizations worldwide. We are global leaders and proud of our achievements. To maintain our edge … we seek talented commercial and technical innovators to join our development team. Currently, we are looking for a dedicated Java Software Engineer. The Role Our Software Engineers oversee the entire software development lifecycle, writing well-designed, testable, and maintainable code. Responsibilities include: Analyzing operational feasibility Maintaining Preservica and industry standards, along with project plans Integrating software components into complete More ❯

Social network you want to login/join with: Principal Java Engineer, oxford district col-narrow-left Client: Search 5.0 Location: oxford district, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: Principal Software Engineer – Shape the Future of Payments We … re hiring on behalf of an innovative payments technology company building the next generation of merchant-first systems. If you're a backend-focused engineer who values autonomy, clarity of purpose, and building products that matter, read on. The Role Join a high-impact team delivering scalable backend and portal solutions for a modern payment ecosystem. You'll work … planning, and team best practices Own projects end-to-end — from concept to deployment What You Bring 8–10 years of software engineering experience Strong hands-on experience with Java and backend system design Familiarity with systems integration, messaging middleware, and distributed architecture A pragmatic mindset — you balance clean design with delivering value fast Comfortable working solo or as More ❯

Social network you want to login/join with: Principal Java Engineer, crawley, west sussex col-narrow-left Client: Search 5.0 Location: crawley, west sussex, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: Principal Software Engineer – Shape the Future of … Payments We're hiring on behalf of an innovative payments technology company building the next generation of merchant-first systems. If you're a backend-focused engineer who values autonomy, clarity of purpose, and building products that matter, read on. The Role Join a high-impact team delivering scalable backend and portal solutions for a modern payment ecosystem. You … planning, and team best practices Own projects end-to-end — from concept to deployment What You Bring 8–10 years of software engineering experience Strong hands-on experience with Java and backend system design Familiarity with systems integration, messaging middleware, and distributed architecture A pragmatic mindset — you balance clean design with delivering value fast Comfortable working solo or as More ❯

Manual/Automation QA Engineer (Java/Selenium), slough Client: GeoGaming Group Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: QA Engineer (Hybrid, 2 days working from the London office) We are looking for a highly skilled and experienced QA Engineer with … and innovative web applications for the gambling industry; we have a fully Responsive Web product developed with Angular JS. This role offers an excellent opportunity for an experienced QA Engineer eager to drive automation testing for our DotCMS-based project while supporting manual testing efforts. We’re looking for a passionate and proactive individual who can ensure our online … automation and manual testing, ensuring both efficiency through automation and comprehensive coverage through manual testing. Experience/Technical Skills: At least 5+ years of experience with UI automation using Java + Selenium and as Manual QA Experience with Cucumber or a similar BDD framework Experience with CI/CD, preferably with Jenkins Strong analytical, diagnostic, and problem-solving skills More ❯

Social network you want to login/join with: Principal Software Engineer – Shape the Future of Payments We're hiring on behalf of an innovative payments technology company building the next generation of merchant-first systems. If you're a backend-focused engineer who values autonomy, clarity of purpose, and building products that matter, read on. The Role … planning, and team best practices Own projects end-to-end — from concept to deployment What You Bring 8–10 years of software engineering experience Strong hands-on experience with Java and backend system design Familiarity with systems integration, messaging middleware, and distributed architecture A pragmatic mindset — you balance clean design with delivering value fast Comfortable working solo or as More ❯

Social network you want to login/join with: Principal Software Engineer – Shape the Future of Payments We're hiring on behalf of an innovative payments technology company building the next generation of merchant-first systems. If you're a backend-focused engineer who values autonomy, clarity of purpose, and building products that matter, read on. The Role … planning, and team best practices Own projects end-to-end — from concept to deployment What You Bring 8–10 years of software engineering experience Strong hands-on experience with Java and backend system design Familiarity with systems integration, messaging middleware, and distributed architecture A pragmatic mindset — you balance clean design with delivering value fast Comfortable working solo or as More ❯

Social network you want to login/join with: Principal Software Engineer – Shape the Future of Payments We're hiring on behalf of an innovative payments technology company building the next generation of merchant-first systems. If you're a backend-focused engineer who values autonomy, clarity of purpose, and building products that matter, read on. The Role … planning, and team best practices Own projects end-to-end — from concept to deployment What You Bring 8–10 years of software engineering experience Strong hands-on experience with Java and backend system design Familiarity with systems integration, messaging middleware, and distributed architecture A pragmatic mindset — you balance clean design with delivering value fast Comfortable working solo or as More ❯

Social network you want to login/join with: Principal Software Engineer – Shape the Future of Payments We're hiring on behalf of an innovative payments technology company building the next generation of merchant-first systems. If you're a backend-focused engineer who values autonomy, clarity of purpose, and building products that matter, read on. The Role … planning, and team best practices Own projects end-to-end — from concept to deployment What You Bring 8–10 years of software engineering experience Strong hands-on experience with Java and backend system design Familiarity with systems integration, messaging middleware, and distributed architecture A pragmatic mindset — you balance clean design with delivering value fast Comfortable working solo or as More ❯