11 of 11 Java Engineer Jobs in the South East

Senior Java Engineer - Low-Level Systems | High-Performance Architecture | Hybrid London I'm working with a leading financial technology organisation building ultra-low latency systems at scale, and we're looking for a Senior Java Engineer with a strong grounding in low-level systems programming . This is an opportunity to join a high-calibre team … operate in the microsecond range and demand deep OS, networking, and concurrency knowledge . What You'll Be Working On: Designing and developing low-latency, high-throughput microservices in Java Building and refining core components of a proprietary event-driven framework Working closely with architects, FPGA and infrastructure engineers to optimise performance across the stack Developing systems with a … focus on resilience, fault-tolerance, and scalability Driving performance improvements with hardware-aware optimisations and kernel-bypass techniques What We're Looking For: Deep understanding of systems-level programming (Java and/or Rust, C, C++) Experience with manual memory management , concurrency , and multithreading Familiarity with Linux internals , system calls, and networking Bonus points for experience with: Kernel bypass More ❯

Senior Java Engineer | #1 fastest growing tech company | £75k - £90kJava, Python, Gradle, Grafana, Gitland, CI/CD, Spring, Openshift, JunitWant to work for the #1 fastest growing tech company with a staggering growth of 182% across 3 years Want to be part of a group that has landed multi-million-pound contract with the government agencies Perhaps, you … with a team that’s all about pushing the boundaries and innovating. Not just code, but how they work, think and deliver into their world-renowned clients.As a Senior Java Developer, you’ll be building modern, scalable systems that support everything from payment services to customer-facing digital products.You’ll be working within a team that’s passionate about … improving how software gets built and delivered. From tightening up data integrity to enhancing automated testing in both Java and Python, new joiners will be involved in projects that truly elevate product quality.You’ll also be exposed to the DevOps side because the developers actively help to maintain smooth CI/CD processes using gitlab while keeping systems healthy More ❯

Backend Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k 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 by two highly successful, Cambridge University educated management consultants, that is aiming to improve … 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 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 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 ❯

Senior Java Engineers | £95k – London Java, Springboot, TDD, Microservices, Python I’m working with one of the UK’s most exciting tech consultancies, a company that’s quietly making waves across healthcare, finance, retail, and government sector by solving complex problems with clean, scalable software. Recently ranked as the fastest-growing tech firm and recognised nationally for its … From cloud-native platforms and secure data pipelines to legacy modernisation and high-volume transactional systems, the work is varied, meaningful, and built to last.They’re looking for Senior Java engineers who are super passionate about their code, enthusiastic about learning new technologies & are true leaders in their field. You’ll be working with modern stacks, cloud infrastructure, and More ❯

Technical Lead (Java/Python) London £90,000 - £95,000 + Progression + Pension An excellent opportunity awaits an experienced Developer with strong Python and Java experience join an exciting SaaS business. This role offers technical growth, variety, and strong development opportunities. The company is a profitable, maturing technology business delivering software and AI-driven solutions for industrial … mentor and provide technical guidance while working closely with the Software Engineering Manager. This role is fully office-based in London. The ideal candidate is a hands-on Software Engineer with strong experience in Java and Python, confident working with AWS cloud infrastructure including containerisation (Docker/Kubernetes), architecture, and scaling systems. They will have solid skills in … management, and reliability*Mentor and guide the development team while working closely with management*Fully office-based role in London The Person: *Experienced Hands-on Software Developer with strong Java and Python experience*Strong AWS cloud infrastructure and containerisation (Docker/Kubernetes)*Skilled in building and managing data ingestion and processing pipelines (Kafka/Spring Batch)*Looking to lead 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 ❯

Software Engineer London/Hybrid(2-3 days)100-130k Our client, a leading global financial organisation, is seeking a Software Engineer to design, develop, and enhance software solutions using various engineering practices. This role supports the delivery of business, platform, and technology capabilities for both customers and internal teams. A Java background within financial services … SCA, and possession-based authentication. ForgeRock or equivalent IAM platform experience, including development with PingGateway, PingAM, PingIDM, and PingDS, using JavaScript for scripted routes and authentication trees. Proficient in Java or JavaScript with experience designing extensible IAM APIs for seamless integration. Skilled in building PingAM custom authentication trees with API integration to threat sensors (e.g., ThreatMetrix, BioCatch), adaptive/ More ❯

around the world Qualifications & Experience Essential Attributes: 4+ years of experience in Software development of complex applications. Excellent understanding of design principles and considerations, best practice 4+ years of Java and C++ development experience History of applying best practices, code reviews and quality checks Familiarity with build pipeline tools and technologies such as Gitlab Must be self-motivated but More ❯

around the world Qualifications & Experience Essential Attributes: 10+ years of experience in Software development of complex applications. Excellent understanding of design principles and considerations, best practice 10+ years of Java and C++ development experience History of applying best practices, code reviews and quality checks Familiarity with build pipeline tools and technologies such as Gitlab Must be self-motivated but More ❯

Principal Java Engineers | Up to £140k – Y Combinator-Backed Fintech Java 21, Spring Boot, Microservices, TDD, AWS I’ve partnered up with a fintech company doing some genuinely exciting work across America. They’ve built a platform that allows people to hold and spend money in dollars using stablecoins a game-changer in regions where local currencies can … with a card that works globally. Backed by top-tier investors like Y Combinator, they’ve raised over $20 million and are scaling fast.We’re currently looking for 15 Java Engineers (Lead level and above) to join the team. There’s a ton of greenfield work to get stuck into, using Java 21, Spring Boot, Microservices, TDD, AWS … and more. What we’re looking for: Strong experience with Java 21+, TDD, and microservices Passionate and ambitious mindset Clear and confident communicator Ideally, someone with startup experience What’s on offer: Salary up to £140k Bonus + equity Fast, two-stage interview process Interested in hearing more or know someone who might be Drop me a message at More ❯

specialist capabilities ready to work on our clients' projects. What we're looking for. To be successful for this role you will demonstrate a level of ability in C#, Java or similar. You will be passionate about technology and eager to learn programme development to an advanced level. We're seeking candidates who can exemplify our values: Empathy and More ❯