{"id":3472787,"url":"https://alion.io/job/rakuten-senior-full-stack-engineer-ai","title":"Senior Full - Stack Engineer - AI","company":{"id":13251,"name":"Rakuten","domain":"rakuten.co.in","url":"https://alion.io/company/rakuten","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"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":{"min_usd":16500,"max_usd":39000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":168},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ant Design","optional":false},{"name":"CI/CD","optional":false},{"name":"Cypress","optional":false},{"name":"Express","optional":false},{"name":"Git","optional":false},{"name":"GraphQL","optional":false},{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"LangChain","optional":false},{"name":"LangGraph","optional":false},{"name":"LLM","optional":false},{"name":"Material UI","optional":false},{"name":"Multi-Agent Systems","optional":false},{"name":"MySQL","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"OpenAI","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React Query","optional":false},{"name":"React.js","optional":false},{"name":"Redux","optional":false},{"name":"Rest API","optional":false},{"name":"State Management","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-10-29T17:35:00Z","employer_posted_date":null,"last_verified_at":"2026-10-29T17:35:00Z","board_verified":false,"closed_at":null,"days_open":5,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":5},"description":"We are seeking a talented and experienced Senior Full-stack Engineer to join our Conversational AI (CXD) team. In this role, you will be responsible for designing, developing, and maintaining robust and scalable AI-powered web applications with a strong focus on frontend development (60-70%) while maintaining solid backend capabilities. You will work closely with product managers, designers, and other engineers to build next-generation AI experiences, including chat interfaces, LLM integrations, and intelligent user interactions. The ideal candidate will have deep JavaScript expertise, strong React ecosystem knowledge, experience with AI/LLM technologies, and a passion for building high-quality, maintainable solutions that effectively integrate cutting-edge AI capabilities.\n\nResponsibilities\nAI Application Development: Build AI-powered chat applications, conversational interfaces, and intelligent user experiences\nMulti-Agent Systems: Design and implement complex AI workflows using, for example, LangGraph and multi-agentic architectures\nLLM Observability: Implement monitoring, logging, and performance tracking for AI/LLM integrations\nFrontend Development: Design, develop, and maintain responsive web applications using React, Next.js, and TypeScript with deep JavaScript expertise\nSystem Architecture: Make strategic technical decisions about AI application structure, data flow patterns, and scalability solutions\nPerformance Engineering: Optimize Core Web Vitals, bundle analysis, rendering performance, and AI response times for complex applications\nAPI Integration: Develop and consume RESTful APIs, GraphQL services, and LLM APIs with proper error handling and state management\nTechnical Leadership: Conduct code reviews, mentor junior developers, and establish frontend development standards\nBusiness Translation: Work with stakeholders to translate business requirements into technical solutions and feasibility assessments\nTest Automation: Develop comprehensive automated unit, integration, and end-to-end tests\nProduction Support: Debug complex production issues, memory leaks, race conditions, and cross-browser inconsistencies\nSecurity Implementation: Implement authentication flows, XSS prevention, data privacy, and AI safety measures\nBackend Development: Build and maintain 70% Python, Node.js/Express.js APIs, database integrations, and AI service orchestration\n\n Requirements:\nBachelor's degree in computer science, engineering, or a related field.\n5-8 years of experience in full-stack development with a frontend focus.\nProven experience building chat applications and conversational interfaces.\nExperience integrating with AI/ML APIs and LLM frameworks.\nStrong analytical, problem-solving, and technical communication skills.\nExcellent collaboration abilities and experience working in cross-functional teams.\n\nFrontend Technologies:\nAdvanced JavaScript (ES6+, closures, prototypes, async patterns, event loop, browser APIs).\nReact.js with hooks, context, and modern patterns.\nNext.js, including SSR, SSG, and App Router.\nTypeScript with a deep understanding of the type system.\nComponent libraries (Ant Design or Material-UI).\nState management solutions (Redux, React Query).\n\nBackend and Data:\nPython and Express.js for API development.\nDatabase technologies (PostgreSQL, MongoDB, or MySQL).\nRESTful APIs and GraphQL services.\n\nAI/LLM Integration:\nOpenAI APIs, LangChain, or similar frameworks.\nStreaming AI responses and error handling.\nPerformance optimization for AI applications.\nMulti-agent system implementation.\n\nDevelopment Practices and Tools:\nModern testing frameworks (Jest, React Testing Library, Cypress).\nPerformance monitoring and debugging tools.\nGit version control and collaborative workflows.\nCI/CD pipelines and deployment automation.\nSystem architecture patterns and scalable application design.\nSecurity best practices, including authentication flows and XSS prevention.\n\nPerformance and Optimization:\nCore Web Vitals optimization.\nBundle analysis and rendering performance.\nMemory management and browser-specific optimizations.\nCross-browser compatibility and debugging.\nSkills\nExpress.js, JavaScript, Next.js, Node.js, Python, React, React.js, 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