{"id":3944249,"url":"https://alion.io/job/remotestar-senior-fullstack-engineer-java-react-aws","title":"Senior Fullstack Engineer (Java + React + AWS)","company":{"id":4526839,"name":"RemoteStar","domain":"remotestar.io","url":"https://alion.io/company/remotestar","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Freshteam","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon ECS","optional":false},{"name":"Amazon S3","optional":false},{"name":"API 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using React.js, TypeScript, React Native, and AWS, delivering high-performance client trading experiences.\nBuild and integrate secure, reliable backend services and APIs using AWS Lambda, API Gateway, and related cloud-native technologies.\nContribute to frontend architecture, performance optimization, and engineering best practices to ensure responsiveness, scalability, and resilience under real-time trading workloads.\nDeploy, monitor, and operate applications on AWS using services such as S3, CloudFront, and serverless infrastructure, ensuring high availability and reliability in production.\nImplement automated testing, participate in CI/CD pipelines, and drive improvements in code quality, maintainability, and deployment confidence.\nCollaborate closely with product, platform, and backend teams to design, deliver, and continuously improve production-grade trading applications with full feature ownership.\nWhat you’ll need for this role\nKey Qualification Requirements:\n8-10 years of frontend development experience with strong expertise in Java, Spring, microservice architecture, DynamoDB, lambdas, ECS containers, React.js, React Native, Next.js, Redux, and component-driven architecture\nMinimum 3-4 years of hands-on experience designing, developing, and deploying cloud-native applications on AWS using services such as Lambda, API Gateway, S3, CloudFront, and related infrastructure.\nProficiency in using AI-assisted development tools to improve engineering productivity and efficiency.\nStrong proficiency in TypeScript, JavaScript (ES6+), HTML5, CSS3, and modern frontend build tools such as Webpack, Babel, and Vite.\nMandatory experience building and deploying cloud-native applications on AWS (S3, CloudFront, Lambda, API Gateway, Amplify).\nExperience with Progressive Web Apps (PWA), Service Workers, caching strategies, and frontend performance optimization.\nHands-on experience with unit testing (Jest, React Testing Library), TDD practices, and modern CI/CD pipelines.\nStrong understanding of frontend architecture, RESTful APIs, browser internals, and delivering production-grade applications at scale.\nExperience handling end-to-end feature ownership, including design, development, testing, and deployment.\nExperience mentoring junior engineers and contributing to engineering excellence within the team.\nFamiliarity with AI-assisted development tools (such as GitHub Copilot or similar) to improve productivity and engineering efficiency.\nExcellent communication skills, with the ability to clearly articulate technical concepts, collaborate effectively across teams, and contribute positively to engineering culture and 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