Senior Java Software Engineer jobs in Reading

You will design and maintain high-throughput Java microservices, leveraging a modern tech stack including Java 21 and Spring Boot 3 in a Google Cloud Platform environment. The ideal candidate will have over 5 years of Java experience and expertise with API design and event-driven systems.

Company DescriptionVisa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals,...

You will design and implement cloud-scale software components, guide team members, and ensure high-quality deliverables. Candidates should have over 5 years’ experience in software solutions, proficiency in Java and microservices, and familiarity with Agile methodologies. This position offers a competitive salary of £65 K.

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP.

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We’re looking for a dynamic software...

You will contribute to the evolution of a sophisticated broadcast control platform responsible for orchestrating complex media workflows across SDI, IP, and hybrid environments. It’s a chance to work on mission‑critical software with a business recognised globally for excellence in live production technology.

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

A leading aerospace and defense company is seeking a Senior Software Engineer in Reading, UK, to work in a hybrid environment. The ideal candidate will have a Master's degree in Computer Science or related field and expertise in embedded OS software development, particularly in C/C++. Responsibilities include designing and testing real-time systems, collaborating with UX teams, and following...

Senior Embedded Software & Firmware EngineerOxford, England, United KingdomAt OQC, our embedded software and firmware underpins the operation of our quantum computing systems — bridging complex hardware with higher-level software to deliver reliable, high-performance quantum devices. We’re now looking for a Senior Embedded Software & Firmware Engineer to take a leading role in designing,...

Senior Backend Engineer | Fully Remote UK | £70,000-£75,000 | Python | Django | AWS Location: Fully Remote - Candidates MUST be UK based Salary: £70,000-£75,000 + benefits Tech Stack: - Backend: Python (Django) - Frontend: React - Cloud Systems: AWS, Docker Are you a Senior Backend Engineer who enjoys taking ownership of real production systems and shaping how a platform evolves as it...

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

You should be comfortable with most of our core technologies:

Senior Full Stack Engineer Remote (UK) | Full time London office available for optional in person collaboration We’re looking for an experienced Senior Full Stack Engineer to join a small, highly skilled team building a next generation Financial Services Regulatory Compliance platform. This is a hands on role where you’ll work across the stack, leading frontend development with React and...

You will play a crucial role in developing key elements of the payment systems and ensuring system reliability. The ideal candidate will have a Bachelor's degree in Computer Science and extensive experience in software development, especially in electronic payments. This role also involves mentoring team members and supporting innovative projects using cutting-edge technologies including Gen AI.

Senior Software Engineer page is loaded## Senior Software Engineerremote type: Hybridlocations: Readingtime type: Full timeposted on: Posted Todayjob requisition id: R0310571 Location: Reading, United Kingdom Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that...

A leading payment technology firm in Reading is seeking a Staff Software Engineer to drive the future of their payment systems in a hybrid role. This position involves collaborating with cross-functional teams to innovate and support core systems, requiring strong software engineering skills, leadership ability, and a willingness to learn new technologies like Go and AI. Candidates should have a...

About the job Senior Java Developer - £65 K Our client is recognised internationally for its expertise in the archiving and digital preservation of valuable data across a range of industry sectors including life sciences, heritage and higher education. They are seeking a talented and self‑motivated Senior Java Developer to join an Agile development team based in their Reading...

You will design and scale Java 21 microservices on Google Cloud Platform, processing millions of daily transactions. This role offers the chance to influence architecture while delivering high-throughput digital receipts and messaging solutions that redefine the retail experience.

You will bring strategic thinking, technical leadership, and a passion for mentorship, and you will help shape projects in an agile environment, guiding and uplifting less-experienced developers as we build the future of computing.