{"id":3613849,"url":"https://alion.io/job/infolet-senior-full-stack-engineer-ai-solutions-1029","title":"Senior Full Stack Engineer – AI Solutions (10/29)","company":{"id":4160520,"name":"Infolet","domain":"infolet.pl","url":"https://alion.io/company/infolet","size_band":"11-50","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitify","truth_index":{"grade":"B","score":75,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":22,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kraków, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":21000,"max":25200,"currency":"PLN","period":"month","gross":null,"usd_annual":76704},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Function Calling","optional":false},{"name":"JavaScript","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"Node 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autonomous agents to improve workflows for architects and engineering teams.\nYou will\nDesign, develop, and maintain internal tools and applications supporting enterprise architecture.\nBuild backend services and APIs using Node.js and/or Java\nIntegrate applications with PostgreSQL, relational databases, and enterprise data sources\nDevelop and enhance web UI components using modern JavaScript/TypeScript frameworks\nImplement and orchestrate autonomous AI agents to build, test, and deploy software\nDevelop integration solutions using MCP, tool/function calling, and API-based communication\nCollaborate with architects, platform engineers, and stakeholders to translate business and technical requirements into solutions\nEnsure production-grade standards covering security, performance, resilience, testing, and observability\nParticipate in code reviews, automation, documentation, and continuous improvement of internal tools\nMust have\n8+ years of professional experience in software engineering using Node.js and/or Java\nSolid knowledge of relational databases, particularly PostgreSQL, including data modelling and query optimisation\nExperience with web UI development using modern JavaScript/TypeScript frameworks\nKnowledge of agentic application engineering and autonomous AI agent orchestration\nExperience with integration patterns, including MCP, tool/function calling, and API design\nUnderstanding of production engineering principles, including security, resilience, performance, and observability\nExperience with automated testing and software quality practices\nSolution design and architecture skills, preferably for internal platforms and engineering tools\nStrong English communication skills and ability to collaborate with global stakeholders\nNice to have\nExperience with AI frameworks and orchestration tools\nHands-on experience with LLM integrations and Retrieval-Augmented Generation (RAG)\nKnowledge of cloud platforms, preferably AWS or GCP\nExperience with Docker, Kubernetes, and CI/CD pipelines\nFamiliarity with software development lifecycle automation and AI-assisted coding tools\nExperience building internal developer platforms, engineering tools, or enterprise applications\nKnowledge of authentication, authorisation, and secure integration patterns\nExperience with monitoring, logging, tracing, and production support for AI-powered applications\nOur offer\nExtended medical care (over 2000 medical facilities in Poland, 80 in Kraków) for you and your family\nMultisport Benefit card\n Life insurance","description_format":"text","description_chars":2916,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Life 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