1 to 25 of 40 Remote Part-Time Java Software Engineer Jobs

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 ❯

leadership teams across FTSE companies, private businesses and major government departments in order to transform their organisations. We are currently looking for a Senior Java Software Engineer to work with a broad range of blue-chip companies and public sector organisations. As a Senior Java Engineer … working on projects that employ cutting edge technologies and deliver high profile solutions that make a genuine difference to everyday life. A Successful Senior Java Software Engineer Will Have: Strong object-oriented programming principles in Java. Extensive experience in leveraging Java 8 features. Domain/Sector … RESTful services using JAX-RS. Experience in hosting and orchestration using Docker, Kubernetes and AWS Autoscaling Groups. Experience in a position of leadership. Senior Java Software Engineer Key Details: Up to £75k Salary. 10-20% discretionary bonus. Hybrid Working. Travel allowance. Requires eligibility for SC Clearance. If More ❯

Software Engineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining … a hugely successful and growing commodities trading firm that specialise in trading whiskey. As a Software Engineer you'll collaborate with the Lead Engineer on the whiskey trading platform as the company looks to scale the platform and introduce new features. There's an emphasis on code … quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job More ❯

Senior Java Software Engineer - Java, Spring boot, Terraform, AWS, React, TypeScript Location: Remote, occasional travel to the office Salary: Up to £75,000 + benefits Why Apply? Play a pivotal role in designing, building, extending an end to end procurement platform aimed at customers in the … will provide technical leadership, mentor colleagues, and actively contribute to continuous improvement initiatives, making best use of modern cloud practices and innovative solutions. Senior Java Software Engineer - Responsibilities Design, develop, and maintain robust Java applications hosted in AWS, ensuring scalability and performance. Collaborate with team members … tested. Take ownership of troubleshooting, debugging, and resolving complex production issues. Mentor junior developers by providing guidance, conducting code reviews, and sharing knowledge about Java and AWS best practices. Proactively identify and implement improvements to development processes and infrastructure automation using CI/CD (e.g., GitHub Actions). Monitor More ❯

Senior Java Software Engineer - Java, Spring boot, Terraform, AWS, React, TypeScipt Location: Remote, occasional travel to the office Salary: Up to £75,000 + benefits Why Apply? Play a pivotal role in designing, building, extending an end to end procurement platform aimed at customers in the … will provide technical leadership, mentor colleagues, and actively contribute to continuous improvement initiatives, making best use of modern cloud practices and innovative solutions. Senior Java Software Engineer - Responsibilities Design, develop, and maintain robust Java applications hosted in AWS, ensuring scalability and performance. Collaborate with team members … tested. Take ownership of troubleshooting, debugging, and resolving complex production issues. Mentor junior developers by providing guidance, conducting code reviews, and sharing knowledge about Java and AWS best practices. Proactively identify and implement improvements to development processes and infrastructure automation using CI/CD (e.g., GitHub Actions). Monitor More ❯

team is comprised of talented individuals who are committed to pushing boundaries and delivering excellence. As they continue to expand, they are seeking a Java Software Engineer to join our dynamic team. Role Overview: As a Java Software Engineer, you will have the opportunity … to work on exciting projects and collaborate with experienced developers. You will play a key role in designing, developing, and maintaining scalable software solutions using Java, Scala, AWS, and the Spring framework. Key Responsibilities: Develop high-quality software applications using Java, Scala, and Spring framework. Collaborate … during testing phases. Stay updated with emerging technologies and industry trends to continuously improve skills and solutions. Requirements: Bachelor's degree in Computer Science, Software Engineering, or a related field. Proficiency in Java programming language and experience with JVM-based frameworks such as Spring. Familiarity with Scala programming More ❯

Role: Java Software Engineer/Java Developer 🌍 Location: Central London - hybrid 2 days a week onsite 💰 Salary: £40,000-£55,000 🛠 Key Skills: Core Java/SE, XML, JSON, Junit, APIs, complex/high-traffic systems A leading global B2B SaaS technology company is seeking … Java Developers at all levels (Junior-Mid) to join its London-based team. The company operates a large-scale SaaS platform that supports hundreds of millions of daily transactions, supplying content to major travel agencies, meta search engines, and ecommerce platforms. You will join a dynamic development team, working … volume XML integrations, time-sensitive bug fixes, and contributing to innovative new features and products. Key Responsibilities: Develop and maintain robust backend systems in Java (Java 17). Work on complex system integrations with third-party suppliers and distributors. Handle XML feeds, web scraping, and high-frequency search More ❯

Role: Senior Java Software Engineer Salary: £60,000 - £80,000 - DOE Location: Ipswich (Hybrid) Type: Permanent About the job: Are you an experienced Senior Software Developer who loves variety and still loves learning new things, while connecting with new people along the way? This role could … with key stakeholders within the business and estimating development timelines. I have partnered with a fantastic business who are looking to add a Senior Java focused Developer to the team. Senior Software Developer required skills: 5 year’s commercial experience minimum Strong Java background SQL HTML, CSS More ❯

Position: Lead Software Engineer Location: Manchester (Hybrid – 2 days per week in office) Salary Range: £85,000 – £140,000 Our client is shaping the next chapter of digital banking with one of the biggest and most innovative banking software projects in Europe. We’re looking for innovative … minds to help lead the way. If you're a hands-on Java engineer with a passion for scalable architecture and modern cloud-native development, this is your chance to work on something big. You’ll take a key role in a strategic engineering team that’s focused … by architecting/building performant services and APIs which support innovative financial products. What You’ll Do Lead engineering efforts on backend services in Java, built for cloud deployment and aligned with modern software architecture principles. Design and maintain integration layers and orchestration services that connect Vault with More ❯

Senior Software Engineer Java/Spring Boot/Python £400-435.00 per day, Outside IR35 Start ASAP - initially until the end of September (+ Likely extensions) Fully Remote - Must be UK based One of our valued partners requires the services of 2 x highly experienced Senior … Software Engineers to join a project team delivering a large, high profile, Government program. Prior public sector or government sector experience would he highly desirable, and strong communication and customer engagement skills are essential! Technical Skills Required: Python, Flask framework experience or any experience on other MVC front-end … frameworks Javascript and html experience Spring Boot 3 Java 17, 21 OpenShift Cloud environment, experience in any of the cloud platforms Azure, GCP, AWS - nice to have Rest API(s) PostgreSQL or any other database experience Flyway or any other DB migration tool experience Integration testing, API testing experience More ❯

Mid-Level Java Engineer My client is a leading financial services firm dedicated to providing innovative solutions and cutting-edge technology in the finance sector. With a commitment to excellence, they are seeking a talented and experienced Mid-Level Java Engineer to join our dynamic team. … passionate about finance, technology, and thrive in a collaborative environment, we invite you to apply. Responsibilities: Design, develop, and maintain high-performance and scalable Java applications. Collaborate with cross-functional teams to understand project requirements and translate them into technical specifications. Implement best practices for software development, ensuring … contribute to a culture of continuous improvement. Qualifications: Bachelor's degree in Computer Science, Engineering, or related field. 3+ years of professional experience in Java development. Solid understanding of Kotlin and experience in using it for building robust applications. Proficiency in the Spring framework, including Spring Boot. Hands-on More ❯

PE Global is recruiting a Java Software Engineer for our industrial manufacturing client based in Wrexham. The role is an initial 12-month contract and the role is hybrid. The rates for this role is between £26.52 and £35.27 per hour. Responsibilities: Be a hands-on technologist … often exploring the inner workings of the tools and libraries you use to understand how they work Requirements: Demonstrable understanding of best practices in software engineering Good communication skills demonstrating the process and progress to stakeholders, as well as internal team communication Proficiency in at least one general purpose … programming language (Java or JavaScript/Typescript) with willingness to learn new languages and technologies Experience or familiarity with some of the core platform frameworks and libraries: Spring Boot, ReactJS, React Native, Docker Familiarity with Linux environment Enjoy participating in the full lifecycle of the software product: from More ❯

Java Developer You must be eligible for SC Clearance London based - Hybrid Working My Client is the leading innovation and transformation consultancy in the UK and they are currently in search of a highly talented Java Developer to join their offices in London. Successful candidates will be helping … of clients such as law enforcement agencies, telecommunications companies and compliance agencies. What will you be doing Apply strong object-oriented programming principles in Java to design and implement robust and scalable solutions. Leverage Java 8 features, including streams, functional interfaces, and collections, to enhance code readability and … solutions and implement scheduling using Jenkins/Ansible. Use a combination of Cucumber, JUnit, Selenium, and Postman for comprehensive testing. Requirements for the ideal Java Developer Minimum of 3+ years of hands-on experience in Java software development Extensive experience in the specified technologies and tools. Proven More ❯

Location: UK Remote (occasional travel to HQ once per quarter) A leading SaaS organisation is looking for a Senior Java Developer to join its expanding technology team. You’ll contribute to the ongoing development of a next-generation platform, with a strong focus on high-performance search capabilities and … data processing. This is a fantastic opportunity to work on impactful technology in a forward-thinking, data-driven environment. Your Role As a Senior Java Developer, you’ll be instrumental in building and evolving a resilient data platform that underpins key SaaS offerings. You’ll work closely with engineers … real value from complex data. Key Responsibilities Write clean, maintainable, and well-tested code following Agile and TDD practices Contribute to both backend services (Java) and modern front-end frameworks (React/TypeScript) Develop and fine-tune search functionality using technologies like Lucene, Solr, or OpenSearch Collaborate with Data More ❯

Senior Backend Software Engineer Up to £70,000 + 15% Bonus + Stock Options Join a fast-growing tech company that's reimagining how modern marketplaces are built. We're looking for a hands-on Senior Backend Engineer to help evolve a highly scalable platform powered by … world problems. Help shape engineering practices and mentor junior developers. Collaborate with a remote-first, high-performing team across time zones. Tech Stack: Kotlin, Java (or other JVM), Spring Boot, GCP, Kubernetes, Docker, Kafka, PostgreSQL, MongoDB, CI/CD pipelines. Experience in Go, Python, or C# also welcomed. What More ❯

Java Developer- Glasgow My Consultancy client is looking for several Java Developers to join them Up to £60k, benefits such as Bonus, 25 days Holiday, Paid for Certifications, Healthcare, Flexible hours and much more Hybrid working 2 says per week onsite in Glasgow Java, Spring, Spring Boot … techniques such as TDD, CI and Paired Programming. THE BENEFITS Bonus 25 days Holiday Paid for Certifications Healthcare Flexible hours Annual trips abroad THE JAVA DEVELOPER ROLE: You’ll be joining a Financial Service client in Glasgow, 2 days per week onsite. In this role, a developer will be … between external groups and the project team, while also tracking project progress, offering timely feedback, and fostering a culture of agility and continuous learning. JAVA DEVELOPER ESSENTIAL SKILLS: Java 8+ Spring/Spring Boot SQL REST CI/CD Leadership qualities Critical thinking skills TO BE CONSIDERED: Please More ❯

Java Developer- Glasgow My Consultancy client is looking for several Java Developers to join them Up to £80k, benefits such as Bonus, 25 days Holiday, Paid for Certifications, Healthcare, Flexible hours and much more Hybrid working 2 says per week onsite in Glasgow Java, Spring, Spring Boot … techniques such as TDD, CI and Paired Programming. THE BENEFITS Bonus 25 days Holiday Paid for Certifications Healthcare Flexible hours Annual trips abroad THE JAVA DEVELOPER ROLE: You’ll be joining a Financial Service client in Glasgow, 2 days per week onsite. In this role, a developer will be … between external groups and the project team, while also tracking project progress, offering timely feedback, and fostering a culture of agility and continuous learning. JAVA DEVELOPER ESSENTIAL SKILLS: Java 8+ Spring/Spring Boot SQL REST CI/CD Leadership qualities Critical thinking skills More ❯

Senior Java Developer - £75k | FinTech | remote | Java, React, AWS 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 Strong understanding of Spring/Spring Boot, REST APIs, and microservices architecture Solid knowledge of relational databases (e.g., PostgreSQL, MySQL) Familiarity with … plus Excellent problem-solving skills and a team-first mindset 💡 Bonus Points For: Experience with Python 🚀 Package up to £70k remote working bonus Senior Java Developer - £75k | FinTech | remote | Java, React, AWS More ❯

Java Developer - Cheltenham - £40k - £60k On-site/Hybrid (MUST BE DV CLEARED) My client headquartered in Cheltenham, who deliver smart software solutions within sectors such as cyber technology, science, and engineering are actively seeking a Java Developer to join their ever growing team. You’ll have … fantastic opportunities to grow your skills in a dynamic and supportive environment. We offer a variety of software development roles, working on meaningful and high-impact projects for impressive clients. But that’s just one part of what makes this a great opportunity. It’s also about the people … and the culture – collaborative, inclusive, and genuinely focused on your development. Responsibilities: Develop, test, and maintain Java applications. Collaborate with team members to define and implement software solutions. Participate in code reviews and contribute to best practices. Troubleshoot and resolve software issues as they arise. Benefits: Flexible More ❯

Senior Java Developer 🌍 £100k–£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 Developer … passionate about new, advanced 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 … sustainable energy solutions, contributing to a greener future. Key Requirements ✅ Compulsory: 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 More ❯

Java Developer is sought on a remote basis by a market leading professional services organisation based near Birmingham. This Java Developer would be joining the innovation arm of the business tasked with building complex, highly scalable greenfield solutions utilised by governments around the world to deliver key public … services. Due to the R&D driven culture within this team this Java Developer will be given opportunities to learn and work with the latest AI & machine learning technologies developing applications using a modern microservices, automated architecture. With a real commitment to employee wellbeing and personal development this Java … with 4 self promotion opportunities a year alongside companywide commitment to wellbeing by providing a best in class physical and mental wellbeing program. This Java Developer based near Birmingham should have most of the following key skills: 3 years plus of Java experience Strong Spring Boot framework experience 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 … 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 More ❯

Senior Java Developer | £70k–£80k | Java, React, GCP | 100% Remote Join a thriving MedTech company that’s transforming digital healthcare across the UK and Ireland! With over 2 million patients already served through their cutting-edge online doctor services platform, this team is redefining how technology can improve … re building full-stack applications with sleek UX, robust architecture, and intelligent automation that streamlines clinical pathways and enhances patient outcomes. As a Senior Java Developer, you’ll be part of a small, agile team where your voice truly matters. Whether you prefer backend or full-stack development, you … requirements gathering and behavior-driven development (BDD). This is a high-impact role where your work directly supports better healthcare delivery. Tech Stack: Java, Spring Boot, Microservices, React, MySQL, GCP, RabbitMQ, TDD, BDD. What we’re looking for: 3–7 years of experience in Java and Spring More ❯

Java Fullstack Developer Hybrid Remote Working Up to £55k DOE Digital Consultancy Client Are you ready to take your Full stack Development career to the next level? A leading and rapidly growing digital consultancy is seeking passionate Java Full Stack Developers to join their dynamic team. This is … at a pivotal moment, as the company embarks on a number of long-term projects with high-profile clients across multiple industries. As a Java Full stack Developer, you’ll be at the forefront of ground breaking projects that will allow you to sharpen your skills, explore new technologies … career horizons, this is the ideal environment to grow and thrive. What You’ll Bring: Eligibility for security clearance is essential Proven experience in Java Development, particularly with Spring Boot Proficiency in JavaScript/TypeScript (with React being a plus) Hands-on experience with GIT and CI/CD More ❯

Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £900 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking Duration: 12 months + Overview: We are seeking an … experienced Java Developer to join a high-profile investment banking client in London on a contract basis. The successful candidate will work on an Electronic Trading Platform for the FIC business . This is an exciting opportunity to contribute to the development and integration of advanced trading technologies in … . Implement market data feeds , pricing engines, and order execution systems. Optimize system performance to meet stringent latency and throughput requirements. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . Low Latency Development: Proven track More ❯