{"id":3679402,"url":"https://alion.io/job/wiser-tech-senior-full-stack-engineer-ai","title":"Senior Full-stack Engineer | AI","company":{"id":2110595,"name":"Wiser Tech","domain":"wisertech.com","url":"https://alion.io/company/wisertech","size_band":null,"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":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Niš, Serbia","Belgrade, Serbia","Kragujevac, Serbia","Novi Sad, Serbia","Subotica, Serbia"],"countries":["RS"],"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":"Azure","optional":false},{"name":"FastAPI","optional":false},{"name":"Kubernetes","optional":false},{"name":"LangChain","optional":false},{"name":"LLM","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-03T12:32:45Z","employer_posted_date":null,"last_verified_at":"2026-11-03T12:32:45Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Wiser Technology designs, builds, and scales complex software systems that power real-world impact. With 500+ engineers and over 25 years of experience in mission-critical environments, we help global organizations turn ambitious ideas into working solutions. Across Europe, MENA, and North America, we combine deep engineering expertise with AI and data to support leading companies in aerospace & defense, automotive, telecom & media, IT, and financial services.\n\nWe are looking for a Senior Full-stack Engineer to join our team building and running high-profile, next-generation AI platforms for executive and strategic clients. You will anchor the AI-heavy Python backend, turning LLM capabilities into dependable services, and independently build the React/Next.js frontends your features need. This is a high-autonomy role with real ownership: you take features from design to production, shape technical design within established architectures, and keep live systems reliable.\n\nDepending on the engagement, you will either help build new capabilities on an AI platform under active development, or join a dedicated managed-support team that keeps live AI platforms stable, secure and improving after go-live.\n\nCore Responsibilities:\n\nEnd-to-End Delivery: Design, build and ship production-ready, well-tested features across a Python backend and React/Next.js frontends.\n\nAI Integration: Turn LLM capabilities, including retrieval over clients' own content, into dependable product features.\n\nIntegrations & Data: Connect AI services with enterprise systems and data sources through stable, documented interfaces, and own the data models behind your features.\n\nReliability: Build services that stay predictable under load and when the systems they depend on misbehave.\n\nSecurity: Implement authentication, authorization and data protection in line with demanding client security standards.\n\nProduction Operations: Make your services observable, investigate and resolve production issues, and keep client stakeholders informed with clear status updates and root-cause write-ups.\n\nDevOps & Infra: Containerize your services and own their delivery pipelines, working with DevOps on deployments and production readiness.\n\nHard Requirements:\n\n7+ years of backend-heavy or full-stack software engineering experience.\n\nDeep, production-level Python backend experience (e.g. FastAPI), including API design, API security and strong SQL.\n\nProduction experience with React and TypeScript (Next.js preferred), enough to build and maintain the UI your features need on your own.\n\nYou have taken LLM-powered features into production for real users, beyond prototypes and tutorials, and kept them working after launch.\n\nYou have built and run services that depend on other systems, and seen production incidents through from first alert to a lasting fix.\n\nYou thrive in fast-moving environments, learn new tools quickly, and communicate clearly in English with technical and business stakeholders.\n\nPreferred:\n\nHands-on experience with Microsoft Azure, especially its AI services.\n\nExperience running containerized services on Kubernetes in production.\n\nExperience orchestrating multi-agent LLM systems (LangChain / Microsoft Agent Framework / similar).\n\nComfort working across polyglot codebases (e.g. Node.js or .NET services), including code you didn't write.\n\nExperience in regulated industries such as financial services, or delivering highly compliant enterprise or public-sector software.\n\nWHAT’S IN IT FOR YOU\n\nCulture & Development:\n\nFriendly Environment: We take pride in our culture, and we love spending time together.\n\nTeam Spirit: Be part of a supportive team that uplifts each other.\n\nMentorship and coaching. Our colleagues are experts in their field, and you can expect to have a strong team to rely on.\n\nPersonalized Development Program: We realize one size doesn't fit all, so you get an individual development plan tailored specifically to your career aspirations.\n\nSocial Benefits:\n\nA Suite of Perks: Additional health insurance, referral bonus, and more.\n\nWork Flexibility: Embrace flexible working hours and a hybrid work model.\n\nMultiple Office Locations: in Sofia, Plovdiv, Stara Zagora, and Nis, you choose where you would like to work.\n\nCommunity and Connections: Engage in exciting social events and team initiatives.\n\nWiser, We Have The Code®","description_format":"text","description_chars":4362,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Health insurance","Hybrid work"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence"],"lifecycle":[{"event":"open","at":"2026-11-03T12:32:45Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":29,"reasons":["seen:0","win:early"],"computed_at":"2026-11-04T02:23:07Z"},"pay":null,"html_url":"https://alion.io/job/wiser-tech-senior-full-stack-engineer-ai","json_url":"https://alion.io/job/wiser-tech-senior-full-stack-engineer-ai.json","meta":{"generated_at":"2026-11-04T02:23:07Z","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":3611,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-05T00:00:00Z"}},"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":2110595},"rest":"https://alion.io/mcp/rest/get_company?id=2110595"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fwiser-tech-senior-full-stack-engineer-ai"},{"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%2Fwiser-tech-senior-full-stack-engineer-ai"},{"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%2Fwiser-tech-senior-full-stack-engineer-ai"},{"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/wiser-tech-senior-full-stack-engineer-ai\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwiser-tech-senior-full-stack-engineer-ai"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3679402}},{"tool":"search_jobs","arguments":{"company":"wisertech.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3679402},"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. 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