76 to 94 of 94 Java Jobs in Oxfordshire

Job Title: Senior Java Developer Location: Primarily Remote (with meet ups twice a month) Salary: £80,000 - £90,000 (Flexible based on experience) Are you an experienced Java developer looking for a new challenge? Do you thrive in an environment where you can take ownership of key areas and solve … Then this may be for you: Mostyn Chase are conducting an exclusive search for a well-established fintech in the payments space for Senior Java Developers to join this growing and dynamic team. The roles are designed to bring in developers who can work independently, solve complex problems, and eventually … in a flexible, remote-first environment, this could be the perfect opportunity for you. The ideal candidate will have the following: Extensive experience in Java development, particularly in building scalable and secure web applications. Strong experience with Spring, Hibernate, MySQL, JSP, HTML, CSS, JavaScript, Angular, and TypeScript. Proven ability to More ❯

you will need: 10 plus years of experience in Software design and coding experience with external API platforms. Experience with C#/.NET or Java Experience with System Integration Experience identifying and resolving performance and scalability issues for both web-based applications and databases. Payments experience would be a huge More ❯

and improving scalable microservice-driven APIs. You’ll initially lead key development on Laravel-based APIs, with opportunities to broaden your scope across Python, Java, and other backend services as the platform evolves. Key Responsibilities: Designing and developing robust RESTful APIs using Laravel (v10) and PHP best practices. Collaborating with … ECS, ECR, RDS, CloudWatch) Terraform GitLab CI/CD Pipelines Docker SPA Frontend (React, Next.js, TailwindCSS) Elasticsearch, Apache Spark Sentry, Grafana, AWS Logs Python, Java, Golang Requirements/experience: 5+ years of experience in backend PHP development, ideally with Laravel. Strong understanding of modern API development, design patterns, and secure … driven development. Proactive, collaborative, and comfortable working in startup-like environments with a high degree of ownership. Additional/Desirable experience: Exposure to Python, Java, or Golang, and interest in working across multiple languages. Interest in or experience with cybersecurity, data protection, or threat intelligence domain More ❯

Our client, a highly successful, VC backed, leading edge provider of AI developer tooling is looking for a solid Java developer to join their team. We re not looking for Java developers who work on the development of solutions to support business logic/applications. We are looking for developers … interest in writing code to support the advancement of tooling that advances the developer community. Essential for this role:- A strong understanding of core Java, JVM, Multithreading The ability to build robust and scalable Back End Java services leveraging common Java frameworks like Spring The ability to contribute to design … and architecture discussions You re likely to have a STEM background with a good understanding of Core Java and an appreciation of the run-time, with knowledge of topics like class-loading, garbage collection & mocking interfaces Interested candidates are encouraged to apply. Promising candidates can be assured of a response 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 programming cultur e ensures high-quality … 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 ❯

and technical excellence Own backend architecture and strategy, ensuring systems are scalable, reliable, and secure Play a hands-on role in development, especially in Java (ideally with Quarkus/GraalVM, or SpringBoot as an alternative) Oversee backend API design and integration, including messaging platforms such as Pub/Sub Define … Maintain high standards in software quality, testing, and maintainability What we’re looking for: 10+ years in software engineering, with 7+ years in backend Java development Strong experience building distributed systems and microservices Proven leadership of engineering teams with the ability to coach, delegate, and develop others Hands-on expertise … in Java, with a strong preference for Quarkus or GraalVM; SpringBoot experience also considered Familiarity with messaging systems such as Pub/Sub, Kafka, or RabbitMQ Strong understanding of REST API design, CI/CD practices, and Agile methodologies Experience in fintech, payments, or banking domains Who this suits: Someone 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 Developer who has … 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 that … 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 Computer More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security code review. … Qualified candidate must have at least 10+ years of hands-on experience in platform security, deep knowledge of Java security model is a must. Minimum 10+ years of hands-on experience with security protocols and best practices are required. Ideal candidate is expected to work independently on assigned tasks. Proven … past experience in successful security incident resolution and proactive research utilizing industry standard tools is a must-have. Past research and CVEs on Java security issues are a plus. Must have proficiency in Java, and expert level C/C++ skills, and systems level programming. Great personal leadership, self-starter More ❯

Have you got a PhD background in Computer Science with a focus on Algorithms? Java Developer – Sustainable Energy 💰 £80,000 - £110,000 🚩 Fully Remote working from home anywhere in the UK We are so excited to be partnered with a Sustainable Energy Start-up on a mission to become the … and architectural decision-making when it comes the design and creation of new products, all while working from home. You will be an excellent Java Developer if you: Have worked in high-performing and low latency environments Are highly experienced using Core Java with multithreaded applications Possess a strong comprehension … a highly flexible work-life balance, as well as unlimited potential to grow with the company as it grows itself, this is an unmissable Java Developer opportunity! If you would like to combine your deep understanding of algorithms and data structures with the ability to ‘do good’ and make a More ❯

Engineer to work closely with the CEO to drive the engineering strategy of the company. Their highly scalable, low latency platform is built on Java, AWS, Docker and Kubernetes. You will be an ideal Senior Software Engineer if you have: PhD educated background, ideally in Computer Science or Maths, Engineering … Deep understand of Computer Science fundamentals and Core Java concepts Strong comprehension of Compilers and Compiler Theory , and DSL (Domain Specific Language) Java experience with multithreading, concurrency and low latency Are theoretical in your approach As a company they are massively scaling up their development function this year and you More ❯

excellent benefits Remote-first, with access to hubs in London or Cheltenham Mission-led work – develop systems that directly support national security Work with Java, Spring Boot, AWS, Kubernetes, React Join a collaborative culture that values autonomy, growth, and innovation What You’ll Bring: Experience leading Agile/Scrum software … teams Strong technical foundation in Java and modern cloud-native infrastructure Background in secure systems, ideally within the intelligence, government, or defence sector SC or DV clearance (current or lapsed) highly desirable Excellent communication and client engagement skills British passport (essential) This role would particularly suit someone who currently holds More ❯

areas of Agile Software Development, Artificial Intelligence, and DevOps & Cloud. In addition, we work on topics in Big Data and IoT. We mostly use Java and TypeScript, but also other programming languages, such as Python or C#. Our clients include large corporations as well as medium-sized companies and start … areas of Agile Software Development, Artificial Intelligence, and DevOps & Cloud. In addition, we work on topics in Big Data and IoT. We mostly use Java and TypeScript, but also other programming languages, such as Python or C#. Our clients include large corporations as well as medium-sized companies and start More ❯

Then look no further because we are what you have been looking for! We are looking for a Software Engineer with strong Python or Java experience and a passion for cloud/platform technologies skills to join our talented and innovative data engineering team. This role sits within a part … Who you’ll be We need you to demonstrate significant experience within Software Development! We want you to have experience in either Python or Java together with working in an Agile environment and we need you to have experience of working with Cloud technologies (AWS preferred but not required). More ❯

Key aspects of the role include: Data Pipeline Development: Architect, develop, and optimise data extraction, transformation, and loading (ETL) processes for high-volume healthcare data. Integration of NHS Systems Data: Work directly with NHS data sources and ensure seamless integration More ❯

Skills/experience: · A highly reputed Degree from an elite University · Exceptional intelligence levels - Comp Sci and Maths · Excellent knowledge of Python, C++ or Java · An outside interest in tech (meet-ups, personal projects, hackathons etc. Role : · Working as part of an elite Software Engineering team with unrivaled opportunities for … growth · Creating entirely automated high-performance trading infrastructure like nowhere else on the planet · Heavy programming in Python/Java/C++ (Team Dependent) · Route to Quant Development or Research If you are a Graduate Software Engineer and this role seems interesting, please apply directly with an up to date More ❯

Do you have 6+ years commercial experience working as a Full Stack Developer using Java and Vue/React/Angular? Are you looking for a new challenge where you can capitalise on your proactiveness, taking initiative and ownership of your work? Senior Full Stack Developer – World-Leading Data Verification … development of various new projects as well as maintaining and improving current products. As a Senior Full Stack Developer, you must have experience with: Java Spring Vue ideally on the frontend They are open to React or Angular , as long as you are willing to learn and work in Vue … you the opportunity to gain experience in many areas of the business taking on various tasks. Benefits you will enjoy as a Full Stack Java Developer include: Bonus Pension Travel expensed Great flexibility as a remote-first company Office perks and treats Fantastic career progression and growth opportunities If you More ❯

Want to join the Team transforming the Global Insurance industry? Here at The Floow, we harness the power of data and social science to influence driver behaviour and cut down on road risks. By joining our mission, you’ll be More ❯

it is not a task most enjoy. Our product - Diffblue Cover - is a generative AI agent that automatically writes and maintains unit tests for Java applications. It works 250 times faster than a human and is 26x more productive than an experienced developer using the latest LLM-based code assistant … and growth Visit the customer site as required Skills, Knowledge and Expertise Essential Deep understanding of the modern SDLC, DevOps and DORA delivery metrics Java software developer experience Familiarity with Java enterprise software development toolchain Hands-on software development expertise with DevOps, CI/CD tools esp Jenkins Experience creating More ❯

Technical Consultant, Business Systems, Database, Orchestrator, Applications, Windows, Android, iOS, C Business Functions, UBE’s, NERs, SOA, EDI, Reports, Interfaces, Applications, C, C++, C#, Java, SQL, AS/400, IBM I, DB2, UDB, JSON, REST, TCP/IP Protocol, PowerShell, VBScript, QlikView, Visualforce, Apex, MS Office, MS Visio, Gillingham – Remote … working with the JD Edwards Oracle EnterpriseOne toolset, version Xe or higher. Additional Technical Skills: Familiarity with UBE’s, NER’s, C#/.NET, Java, and Windows CE development. Main Responsibilities: JDE Enhancements: Develop new features and enhancements for JD Edwards, core systems, and associated platforms. Interface Development: Design and … maintain interfaces between JDE and other systems, primarily using C# and .NET. Mobile Applications: Develop and support mobile applications for Android devices using Java, particularly for warehousing and operational purposes. Database Management: Work with SQL Server and DB2 databases to manipulate and manage data effectively. Service Development: Create and maintain More ❯