Senior Software Engineer (Java/React; 100% remote)

Senior Software Engineer (Java/React; 100% remote) 💰 Salary: up to 55 $/ hour 🌍 Remote🕒 Full-time📄B2BWe are looking for a Senior Software Engineer (Java/React) to join an international engineering team building innovative, business-critical applications. The role combines hands-on full-stack development with cloud-native engineering and modern XP (Extreme Programming) practices.You will serve as a hands-on expert across the full engineering lifecycle, from technical discovery through to production deployment. The ideal candidate thrives on difficult technical problems, owns architectural decisions end-to-end, and improves the technical standard of the teams they work with.Requirements8+ years of professional software development experience with large-scale systemsBachelor's degree in Computer Science, Software Engineering, or equivalent practical experienceExpert-level Java with Spring, Spring Boot, and Spring Cloud4+ years of experience building front-end applications with React and modern JavaScript or TypeScriptExperience with microservices architecture, RESTful APIs, and integration-oriented designExperience with distributed systems, API-first architecture, resilience patterns, and performance tuningExperience with test-driven and behaviour-driven development, plus automated testing with JUnit, Jasmine, Mockito, or similar toolsExperience with CI/CD pipelines, Jenkins or equivalent tools, and deployment automationExperience with container-based environments such as Kubernetes or Cloud FoundryExperience designing and deploying cloud or hybrid cloud solutionsStrong problem-solving skills with ability to evaluate technology options and communicate technical trade-offs to engineering and business stakeholdersGood English communication skillsNice to HaveExperience with Kotlin, functional programming, and modern JVM ecosystem practicesExperience using AI coding assistants such as GitHub Copilot, ChatGPT, or similar toolsExperience integrating AI or LLM capabilities into applications, workflows, or automation processesExperience with modern React state management and reactive UI patternsResponsibilitiesArchitect and design complex services, APIs, front-end features, and integration workflowsMentor developers through pair programming, code reviews, and design sessionsTurn business requirements into robust, maintainable, and testable technical solutionsChampion test-driven development, behaviour-driven development, continuous integration, and evolutionary designLeverage AI tools responsibly to speed up delivery, generate tests, support refactoring, and raise code qualitySpot modernization opportunities and reduce technical debt across systemsImprove system reliability, observability, performance, and deployment qualityPromote clean code, automation, secure coding practices, and reusable component designOwn the full engineering lifecycle from technical discovery through production readinessEvaluate technology options and communicate architectural trade-offs to engineering and business stakeholdersDevelop and maintain full-stack features across Java back-end services and React front-end applicationsGet to know DevsData:We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities.Find out more: https://devsdata.com/