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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Full stack Developer - **Company:** Infinity Quest - **Location:** UK - **Experience:** Expert - **Salary:** £104,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Server Applications, JIRA, HTML5, Authentication Protocols, Automation of Tests, Unit Testing, BASIC (Programming Language), Software Bug Management, Cascading Style Sheets (CSS), Cloud Computing, Software Quality, Code Review, Databases, Continuous Integration, Relational Databases, Cursor (Graphical User Interface Elements), Database Development, Software Debugging, Programming Tools, Gradle, Monitoring of Systems, Hibernate (Java), Java Persistence API, Spring Framework, Apache JMeter, Load Testing, Apache Maven, Message Broker, Enterprise Messaging Systems, NoSQL, OAuth, OpenShift, Oracle (Applications), Performance Tuning, Prism (Software), Redis, Cloud Services, Prometheus, Swagger, Selenium, Software Systems, SonarQube, Strategies of Testing, User Interface Testing, Openapi, Sql Optimization, GitHub Copilot, ReactJS, Grafana, Spring-boot, Software Security, Cypress (Programming Language), Reliability of Systems, Veracode, Backend, Gitlab, Git, Spring Data, Event Driven Architecture, Containerization, AngularJS, Integration Tests, Apache Flink, Playwright, Apache Kafka, Front End Software Development, Software Coding, Restful APIs, Cucumber (Software), Docker, Jenkins, Microservices - **Published:** August 8, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5829370939 ## About the Role * Candidates must be willing to work from the customer office every Monday and Friday. * Immediate joiners preferred with availability to start within one week. * Strong client-facing attitude and the ability to complete the hiring process quickly. These two positions are business-critical and require urgent closure. We request you to prioritize sourcing efforts and share relevant profiles today. Please treat this requirement with the highest priority and support us with suitable candidates as soon as possible. Basic / Essential Qualifications * Proficiency in full-stack development with hands-on coding experience in Core Java, JPA/Hibernate, Spring framework, and basic caching concepts * Knowledge of Spring ecosystem technologies including Spring Boot and Spring-Data * Skilled in creating rich, interactive React/Angular based front end applications. * Experience building secure and scalable applications following enterprise design principles * Solid coding practices for RESTful API development and consumption with understanding of OpenAPI/Swagger specifications * Understanding of API security protocols and authentication mechanisms (OAuth2, JWT) including TLS. * Good database development skills with relational (RDBMS) databases and exposure to NoSQL technologies * Experience with microservices architecture and event-driven design patterns * Ability to participate in code reviews and apply feedback effectively * Understanding of code quality tools like SonarQube and security scanning tools * Familiarity with developer tools including Maven, Gradle, Git, and CI/CD pipelines (Jenkins/GitLab) * Good understanding of Agile development practices * Familiarity with cloud platforms such as AWS or OpenShift * Knowledge of testing methodologies including unit testing and test automation * Good communication skills and team collaboration abilities Desirable Skills (Good to Have) Some other highly valued skills may include: * Experience with frontend technologies including HTML5, CSS3, JavaScript, and exposure to frameworks such as Angular or React * SQL optimization skills with Oracle or similar RDBMS * Experience with API documentation tools * Troubleshooting capabilities for resolving performance issues * Familiarity with containerization technologies (Docker) * Basic understanding of release and change management processes * Experience with test automation tools (e.g., Selenium) * Exposure to monitoring and observability solutions * Understanding of message broker concepts such as Kafka * API & UI testing experience * Test tools Playwright, selenium, Cypress, Cucumber * Proficient in using JIRA and defect management process * Knowledge and experience of scaled agile * TDD experience ## Description * Develop and deliver high-quality backend software solutions using Java and Spring Boot. * Design and implement scalable, secure, and high-performance APIs and microservices. * Troubleshoot application server issues and optimize performance in production environments. * Build modular and maintainable backend architecture aligned with business needs. * Integrate applications with databases, messaging systems, and cloud services. * Collaborate with cross-functional teams including product managers, designers, and engineers. * Ensure code quality through best practices, code reviews, and clean coding standards. * Optimize system performance, reliability, and scalability. * Stay updated with emerging technologies and industry best practices. * Implement secure coding practices to safeguard applications and data. * Write and maintain unit/integration tests to ensure software reliability. * Support deployment, monitoring, and production stability of applications. * Implementation of effective unit testing practices to ensure proper code design, readability, and reliability. Quick Sample Questionnaire : Please go through below topics before client round: 1.Kafka / apache flink questions -> retry and idempotency / migration 2.Queries on project Roles -> Handson -IMP 3.Vulnerability tools (sonarqube, Veracode , Prisma Bridgecrew) 4.Caching implementation (Redis) 5.AI tools - hands on compulsory (Github copilot, Claude code, Codex/cursor) 6.Performance/Load testing (Jmeter) 7.production debugging (OpenTelemetry, Prometheus, and Grafana ) ## Related Videos - [Navigating the Future of Junior Developers in Tech](https://www.wearedevelopers.com/videos/1280-navigating-the-future-of-junior-developers-in-tech) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)