10 of 10 Senior Java Engineer Jobs in Crawley

Looking to play your part in a revolutionary movement with sustainable energy? Are you a Core Java expert with extensive experience using concurrency, low latency and multithreaded applications? FULLY REMOTE Senior Java Engineer - Tech for Good Salary: up to £120k Location: Fully Remote from anywhere in … the UK We have a fantastic new opportunity for all you Java Engineers looking to get stuck into a new challenge working on exciting projects solving real-world problems. They are also very big supporters of Diversity & Inclusion so welcome all candidates. A unique energy software platform helping consumers … transition towards a sustainable future are looking for enthusiastic and knowledgeable Senior Java Engineers with a strong comprehension of the Core Java principles, including Multithreading, Concurrency and Low Latency to join their growing team. In this fantastic Senior Java Engineer role: You will have More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep … experience across Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU … Based | Rate £550-650pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and 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 … 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 … a 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 ❯

Senior Java Software Engineer Full-time Department: Apps Modernisation & Integration Company Description Version 1 has celebrated over 26 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing … display and foster them, it's deeply embedded within our DNA. Invest in us and we'll invest in you! Job Description As a Senior Software Engineer, you will be working in a cross-functional Team, contributing to key technology decisions to create maintainable solutions for our customers. … and continuous improvement will be integral to your role. You will develop software to meet our client's requirements using programming languages such as Java and associated frameworks (e.g. Spring/Springboot, JUnit/Mockito, Guava, Hibernate etc). You will follow best engineering practices and assist in improving More ❯

Senior Java Developer 🌍 Up to £150k 💸 - Remote Working 🏡 – 6+ years experience (PhD Required) 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 … technologies, being able 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 … A PhD in Computer Science and the ability to demonstrate extensive knowledge in Software Development. 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 knowledge of Advanced More ❯

Senior Java Developer, RDBMS, API’s, REST £65,000 - £75,000 Edinburgh (remote first) My client, an established Software company, a true leader in their industry, is keen to hire a Senior Java Developer to join the core development team. With a focus on backend technologies … mentor junior developers and promote knowledge sharing to enhance team skills and productivity. Degree educated, the ideal candidate will possess a deep understanding of Java enterprise development, a strong command of backend technologies and is proficient in writing and optimizing SQL queries and database schemas. You must possess strong 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 ❯

Senior Backend Engineer - Java/Kotlin Overview: My client, a fast-scaling technology-driven marketplace, is seeking a talented Senior Back-End Software Engineer to join their dynamic engineering team. You'll join a collaborative, cross-functional team where your input directly impacts the growth … stages of development Drive continuous improvement across engineering practices, team processes, and product quality Essential Skills & Experience: Proficient with a modern JVM language (Kotlin, Java, Scala, Groovy, etc.) Proven experience delivering scalable, production-grade applications in a SOA or microservices architecture Comfortable working with CI/CD pipelines and … design and architecture For more information about this opportunity, connect with Neill Ferguson on LinkedIn or submit your CV via the link below. Skills: java kotlin scala groovy aws azure Benefits: Work From Home More ❯

Senior Backend Engineer - Java/Golang The Company My client is a rapidly growing cloud security company specialising in run-time-powered solutions. Their technology enables businesses to detect and respond to cloud security threats in real-time by leveraging automation, contextual intelligence, and cutting-edge infrastructure. … market, they work with major cloud providers and modern architectures to deliver innovative security solutions. As they continue to expand, they are seeking a Senior Back-end Engineer to play a key role in the design, development, and scaling of mission-critical back-end systems. The Role Play … days holiday allowance. For more information about this opportunity, connect with Neill Ferguson on LinkedIn or submit your CV via the link below. Skills: java golang development cybersecurity Benefits: Work From Home More ❯

Position : Senior Java Developer Location : Bournemouth, UK (Onsite – 5 days/week) Contract Type : B2B Contract Experience Required : 10+ years Start Date : ASAP Job Overview We are seeking a highly experienced Java Developer to join our team in Bournemouth. The ideal candidate will bring strong expertise in … Java, Python, Spark, and cloud-based development, especially with AWS services. This is a hands-on development role focused on building scalable, resilient microservices for enterprise-grade applications. Key Responsibilities Design, develop, and maintain scalable and robust backend systems Collaborate with cross-functional teams on architecture, development, and deployment … cloud-native technologies including AWS (RDS, S3, EKS, Lambda, etc.) Implement infrastructure-as-code using Terraform Develop and debug large-scale distributed systems using Java, Spark, and Spring Boot Ensure smooth integration with messaging systems like Kafka and IBM MQ Optimize performance of big file handling and data-intensive More ❯