{"id":3817397,"url":"https://alion.io/job/symphoni-hr-mern-stack-generative-ai-engineer","title":"MERN Stack & Generative AI Engineer","company":{"id":3800108,"name":"Symphoni HR","domain":"symphonihr.com","url":"https://alion.io/company/symphoni-hr","size_band":"201-500","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":{"grade":"A","score":93,"open_postings":41,"ghost_share":0,"stale_share":0,"repost_share":0.488,"time_to_fill_p50_days":45,"computed_at":"2026-11-06T05:58:05Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":"full_time","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":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"LangChain","optional":false},{"name":"LangGraph","optional":false},{"name":"LLM","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"OpenAI","optional":false},{"name":"RAG","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-05T16:34:45Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-06T13:54:54Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"We are looking for an experienced full-stack engineer with strong MERN stack expertise and hands-on experience building Generative AI and LLM-powered applications. You will design and develop web applications using React, Next.js and Node.js, integrating LLM capabilities such as retrieval-augmented generation pipelines built with LangChain, LangGraph and OpenAI. The role sits at the intersection of modern web engineering and applied AI, with a focus on delivering robust, scalable and secure solutions.\nOur client is a leading global professional services and accounting firm with a large-scale presence across finance, assurance, advisory and technology. They are known for a collaborative, innovation-driven culture that invests heavily in digital transformation and emerging technologies. The firm's technology teams build products that serve clients across multiple industries worldwide.\nResponsibilities\nDesign, build and maintain full-stack web applications using React.js, Next.js and Node.js\nDevelop Generative AI features using LLMs, including integrations with OpenAI APIs\nBuild and optimise RAG pipelines using LangChain and LangGraph for knowledge retrieval and reasoning workflows\nDesign and manage data models across SQL and NoSQL databases to support AI-driven applications\nDeploy, monitor and scale services on AWS cloud infrastructure\nCollaborate with product, data and design teams to translate business requirements into technical solutions\nEnsure code quality through reviews, testing and adherence to security and performance best practices\nEvaluate and improve LLM outputs, latency and cost across the application lifecycle\nRequirements\n5 to 9 years of professional experience in full-stack software development\nStrong hands-on expertise in React.js, Next.js and Node.js\nPractical experience with Generative AI and LLMs, including LangChain, LangGraph and OpenAI\nProven experience building RAG pipelines in production environments\nSolid working knowledge of SQL databases and NoSQL databases\nExperience with AWS cloud services; AWS certification is a plus\nStrong problem-solving skills and the ability to work in a hybrid team setting\nExcellent communication skills and a collaborative, ownership-driven mindset\nSkills\nGenerative AI, LLM, LangChain, LangGraph, OpenAI, RAG pipelines, React.js, Next.js, Node.js, SQL databases, NoSQL databases, AWS","description_format":"text","description_chars":2373,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-11-05T16:34:45Z"}],"visa":[],"liveness":{"score":54,"band":"ok","label":"Likely open","p_open":1,"p_active":0.542,"p_room":1,"age_days":0,"expected_fill_days":45,"reasons":["conf:2","agency","velocity","win:early","comp:brand"],"computed_at":"2026-11-06T05:58:05Z"},"pay":null,"html_url":"https://alion.io/job/symphoni-hr-mern-stack-generative-ai-engineer","json_url":"https://alion.io/job/symphoni-hr-mern-stack-generative-ai-engineer.json","meta":{"generated_at":"2026-11-06T14:14:07Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":26345,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":3800108},"rest":"https://alion.io/mcp/rest/get_company?id=3800108"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsymphoni-hr-mern-stack-generative-ai-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fsymphoni-hr-mern-stack-generative-ai-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fsymphoni-hr-mern-stack-generative-ai-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/symphoni-hr-mern-stack-generative-ai-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsymphoni-hr-mern-stack-generative-ai-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3817397}},{"tool":"search_jobs","arguments":{"company":"symphonihr.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3817397},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}