> Markdown version of [/jobs/ext/3948206-senior-software-java-engineer-customer-api](https://www.wearedevelopers.com/jobs/ext/3948206-senior-software-java-engineer-customer-api). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Java Engineer - Customer API - **Company:** Tesco PLC - **Location:** Welwyn Garden City, UK (Remote available) - **Experience:** Expert - **Salary:** £64,494.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Software Applications, JIRA, Microsoft Azure, Cloud Computing, Continuous Integration, CouchDB, Github, Java Virtual Machine (JVM), PostgreSQL, Nagios, NoSQL, Scrum Methodology, Secure Coding, Software Engineering, Software Systems, SQL Databases, TypeScript, Software Vulnerability Management, Spring-boot, Session Description Protocol Security Descriptions (SDES), Infrastructure Automation Frameworks, Cosmos DB, Zendesk, Terraform, Splunk, New Relic (SaaS), Service Stack, Microservices - **Published:** October 27, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5942722003 ## About the Role * Solid experience in delivering Java or other JVM languages; familiarity with JS/TypeScript is a plus. * Experience with cloud platforms (Azure, AWS) and infrastructure automation (Terraform). * Good understanding of SQL (PostgreSQL) and NoSQL databases (e.g., Cosmos DB). * Familiarity with monitoring and alerting tools (Splunk, xMatters, New Relic). * Experience working with Agile methodologies (Scrum/Kanban) * Good English communication skills * Experience in system design * Experience in taking ownership of a project and leading a team from technical/ project perspective * Proactive attitude ## Description Senior Software Development Engineers (SDEs) are the creative minds developing the software applications that make life easier for customers. Responsible for the entire development and support process for a software programme. Your applications make previously complex tasks simple with the impact ranging from saving time, effort or money to re-defining normal. * While specific responsibilities will evolve with Tesco's business needs, the role's key areas of impact include: * Developing high-quality software solutions, with proficiency in Java (Spring Boot or other frameworks). * Working with Microsoft Azure and Terraform (Infrastructure as Code) or demonstrating a willingness to learn. * Implementing and advocating CI/CD best practices for seamless software delivery. * Maintaining high-quality documentation to support development processes and system design. * Utilize data-driven decision-making, balancing short-term and long-term goals, and accepting appropriate trade-offs. * Apply Tesco architectural standards and best practices, including security-first thinking and use of tools for vulnerability management and secure coding. * Ensuring solutions are robust, scalable, and efficient. * Taking ownership of systems, driving reliability, maintainability, and performance. * Mentoring and supporting fellow engineers, fostering a culture of growth and collaboration. * Automating workflows and building tools/scripts to enhance efficiency. Technology stack we are using: * Experience in delivering Java (or any other JVM language), good to have: JS, TypeScript * Spring Boot or Micronaut * Azure, Terraform for infrastructure automation * Microservices * SQL (PostgreSQL), NoSQL databases, e.g. Cosmos DB or Couch DB * Splunk, xMatters, New Relic etc. * GitHub * Zendesk & JIRA