{"id":4211346,"url":"https://alion.io/job/merkle-senior-ai-systems-engineer-multi-agent-systems","title":"Senior AI Systems Engineer - Multi-Agent Systems","company":{"id":2191,"name":"Merkle","domain":"merkle.com","url":"https://alion.io/company/merkle-sokrati","size_band":"201-500","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lisbon, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Amazon EC2","optional":false},{"name":"AutoGen","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"Claude","optional":false},{"name":"CrewAI","optional":false},{"name":"Cursor","optional":false},{"name":"LangChain","optional":false},{"name":"LangGraph","optional":false},{"name":"LangSmith","optional":false},{"name":"Multi-Agent Systems","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-12T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-11-12T00:00:00Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"Sobre a vaga\nWe're looking for a full-stack engineer to build and deploy multi-agent AI systems at enterprise scale. You'll design autonomous agent networks that solve real operational challenges, working across cloud infrastructure, backend services, and AI frameworks using Claude and modern AI tools.\n\nO que vais fazer\n\nBuild Multi-Agent Systems: Design and implement agent architectures using LangChain and LangSmith to orchestrate specialized agents for complex workflows\nFull-Stack Development: Build production backends in Node.js and craft frontends for human-agent interaction; leverage AI (Claude, Cursor) to ship faster\nAWS Infrastructure: Deploy and scale agent services on AWS (EC2, Lambda, managed services) with hands-on deployment experience\nObservability & Reliability: Monitor agent behavior, token efficiency, and latency using LangSmith; implement fallback logic and state management for high task completion\nClient Collaboration: Work with clients to define agent use cases, refine architectures, and iterate on deployed systems\n\nO que é pedido\n\nNode.js & Full-Stack: Strong backend development in Node.js/TypeScript; comfortable building or working with frontends (React/Next.js)\nAWS Fluency: Practical, hands-on experience deploying and managing production workloads on AWS\nAI-Powered Development: Daily user of Claude, Cursor, or similar AI coding tools; comfortable building with LangChain and LangSmith\nAgent Architecture: Experience building or working with multi-agent systems (LangGraph, AutoGen, CrewAI, or custom implementations)\nShipping Mentality: Ability to move quickly from concept to production; strong communication with technical and non-technical stakeholders\nWork visa sponsorship is not available\n\nValorizado\n\nExperience with agent evaluation, self-correction loops, or memory architectures\nBackground in consulting or product studios shipping AI-driven features\nPython capability for specialized AI services\n\nO que é oferecido\n\n25 vacation days\nEnjoy 2 additional volunteering days to support your passion project\nMental Health: Benefit from 3 extra wellness days on top of your vacation days and a Mental Health First Aider and Employee Assisstance program to support your well-being\nHealth insurance (also possible for family members)\nCutting Edge Technology & Latest IT tools\nSoftware-house environment\nAgile and Flexible working hours\nHybrid working: we combine flexibility with in-person collaboration, with an expectation of 1 day per week/ 4 days per month in the office\nDigital nomad policy\nFocus on career development\nFull access to Dentsu Academy, our global online learning platform\nBeers, foosball, and ping-pong!\nFree breakfast every second Wednesday of the month\nEmployee discounts\nTeam & Company events\nReferral bonus program\n\nResumo organizado por IA a partir do anúncio original. 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