10 of 10 Permanent Java Software Engineer Jobs in West Sussex

to work for a GreenTech company in zero tech debt that is committed to being the industry's top platform for a sustainable future? Java Software Engineer - GreenTech Start up! £60-90K + benefits Fully remote from anywhere in the UK We are partnered with an … energy-as-a-service’ platform, that was created to help both customers and suppliers advance the energy revolution. They are urgently looking for Java Software Engineers to join their rapidly growing team. Innovation is highly important to this company; they are looking for Java Software Engineers … As a technology company, they only complete GREENFIELD work, building and developing all frameworks, databases and tools from scratch. Tech stack required as a Java Software Engineer: · Core Java · C · Experience with APIs · Microservices · Multithreading, concurrency & high throughput · AWS · Kubernetes Benefits you will enjoy as a More ❯

Java Software Engineer (Must hold active SC) Location: Remote The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around … risk and shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Your role: You will apply a software engineering mindset to problems, whether that’s provisioning services, writing code or writing automation tools and scripts. You will have a lean mindset, striving … and performant services that are operationally sound. You will strive to do things better and faster, eliminating waste and applying this across the entire software delivery lifecycle for both internal customers and end users. What you’ll do: You will be responsible for delivery business outcomes, from requirements into More ❯

Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear … from you. Our FinTech client could be the ideal role for you.... Skills: Commercial Java experience - ideally in a fintech, performance environment Strength with Core Java Strong understanding of TDD Clear communication and teamwork Extreme Programming (XP) principles, with a strong focus on TDD, BDD, and DDD. Pair … is key. We value growth and flexibility, welcoming developers from all backgrounds. What You’ll Be Doing Building resilient and adaptable fintech platforms in Java Refactoring to improve code design Writing comprehensive tests for every commit Automating processes to improve efficiency Rotating across teams to enhance collaboration More ❯

Join the Growth Story at Envitia Join Envitia, a leader in the UK's digital and software services landscape, where your work in cutting-edge technology empowers our customers to manage, share, and exploit data more effectively: Influence significant digital and data transformation projects within the UK public sector. … make a real impact, grow with a supportive team, and help shape the future of data solutions in trusted sectors. The Role The Principal Java Engineer has a critical role within the Engineering function, tasked with setting technical standards and influencing the architectural decisions that shape the company … s software solutions. This position is suited for a seasoned expert who not only technically leads projects within their domain of expertise but also supports business development efforts through pre-sales engagements. The Principal Engineer will guide the technology strategy, collaborate with cross-functional teams and ensure the More ❯

Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript G.Digital have exclusively partnered with a growing FinTech who are looking for a Senior Java Engineer. 🔧 What You’ll Do: Design, develop, and maintain high-performance Java applications Collaborate with cross-functional teams to define, design … of applications Mentor junior developers and provide technical leadership Advocate for clean, scalable, and maintainable code ✅ What you will need: 5+ years of professional Java development experience Experience working with TypeScript to help with frontend bottlenecks Strong understanding of Spring/Spring Boot, REST APIs, and microservices architecture Solid … plus Excellent problem-solving skills and a team-first mindset 💡 Bonus Points For: Experience with Python 🚀 Package up to £75k remote working bonus Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript More ❯

Backend Java Developer Fully Remote Contract - 12 months + Are you a seasoned Java Backend Developer with a passion for building high-performance video streaming platforms? Do you have a deep understanding of Content Management Systems (CMS) and a knack for crafting scalable backend architectures? If so, we … want to hear from you! We’re looking for a Backend Java Developer to join our growing team working on cutting-edge video streaming solutions . You’ll play a key role in designing and implementing robust backend services with a strong focus on CMS integration and optimization. This … a high-impact position with a lot of autonomy and growth potential. What You’ll Do: Design, build, and maintain scalable backend services in Java Develop and optimize APIs for video streaming workflows and CMS integrations Collaborate with frontend developers, DevOps, and product teams to ensure seamless delivery Optimize More ❯

Mid level Java Developer - 9 month contract - Hybrid - start ASAP This role will involve software development across multiple microservices. Need experience in: Strong knowledge and extensive experience of modern Java technologies, frameworks, and design principles. specifications. Test-Driven Development (TDD) and Behaviour Driven Development (BDD) practices and … techniques. Will be writing unit tests for java services that meet a set criteria of coverage that will be automatically tested as part of our CI/CD process. Knowledge and experience of APIs (Open API/Swagger), RESTful services and Microservice Architectures. Strong knowledge and extensive experience of More ❯

Job Opportunity: Freelance Java Developer (Outside IR35) £450–£550/day | Remote (UK-Based) | Occasional travel to Hammersmith or Farnborough We’re looking for an experienced Freelance Java Developer to join a long-term programme focused on building scalable, cloud-native platforms within the Financial Services Payments sector. … UK-based candidates, with occasional on-site collaboration in Farnborough or Hammersmith. This role is ideal for someone who takes ownership, thinks like an engineer, and enjoys working in a collaborative, delivery-focused team. What You'll Bring Strong Java development experience (Spring Boot, Microservices) Proficiency with AWS … services (Java Spark, EMR, Lambda, native AWS databases) Experience with Kubernetes and EKS Strong understanding of cloud infrastructure and distributed systems A proactive mindset with a focus on end-to-end delivery Nice to Have Background in the Payments or FinTech industry Experience with AWS Glue or large-scale More ❯

Are you an experienced Senior Software Developer looking to take on a design authority role? Join a dynamic and growing team delivering cutting-edge cloud-based analytics solutions. With award-winning technology and strong partnerships in the IT & Telecoms sector, including Cisco, this is an exciting opportunity to work … on high-performance applications at the forefront of innovation. The Role As a Senior Software Developer, you'll take ownership of key technical areas, ensuring best practices in design and development. You'll collaborate closely with product teams, lead architectural decisions, and play a pivotal role in enhancing our … web application. This position offers full involvement in the software development lifecycle, from design and coding to testing and deployment. Key Responsibilities Design Authority - Lead architectural decisions and guide team members on best practices. Back-End Development - Build and optimise multi-threaded server-side applications in Java. Agile Development More ❯

Are you an experienced Senior Software Developer looking to take on a design authority role? Join a dynamic and growing team delivering cutting-edge cloud-based analytics solutions. With award-winning technology and strong partnerships in the IT & Telecoms sector, including Cisco, this is an exciting opportunity to work … on high-performance applications at the forefront of innovation. The Role As a Senior Software Developer, you'll take ownership of key technical areas, ensuring best practices in design and development. You'll collaborate closely with product teams, lead architectural decisions, and play a pivotal role in enhancing our … web application. This position offers full involvement in the software development lifecycle, from design and coding to testing and deployment. Key Responsibilities Design Authority - Lead architectural decisions and guide team members on best practices. Back-End Development - Build and optimise multi-threaded server-side applications in Java. Agile Development More ❯