{"id":2552710,"url":"https://alion.io/job/esurance-full-stack-software-engineer","title":"Full-Stack Software Engineer","company":{"id":2268087,"name":"Esurance","domain":"esurance.ch","url":"https://alion.io/company/esurance-ch","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":"full_time","work_mode":"on_site","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":62000,"max":80000,"currency":"EUR","period":"year","gross":null,"usd_annual":88969},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASP.NET Core","optional":false},{"name":"C#","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"TypeScript","optional":false},{"name":"Agile","optional":true},{"name":"AWS","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-14T16:24:22Z","employer_posted_date":null,"last_verified_at":"2026-10-14T16:24:22Z","board_verified":false,"closed_at":null,"days_open":20,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":20},"description":"We’re looking for a Senior Full-Stack Engineer who brings deep technical expertise and a collaborative mindset to our product development team. You will work with a modern microservices architecture, building scalable backend services using the ASP.NET Web API with C#, and intuitive frontend interfaces using mainly React and TypeScript. This is a hands-on engineering role with a 70/30 front-/backend focus. \nWe leverage AI in our SDLC and we are seeking for a Full-Stack Engineer who is capable of producing high quality code with the support of AI, yet having the maturity and self-expectation to review and understand the granter scheme of the code in the complexity of the product and adjust accordingly. \nThis role is ideal for for you if you like to take ownership, thrive in a dynamic product team, and enjoy mentoring others. If you're passionate about designing high-impact software in a cloud-native environment, we’d love to hear from you.Zakres obowiązków\nDesign, implement and maintain modern React micro frontend applications \nImplement and deliver Full-Stack Features including the infrastructure for it using both, ASP.NET and React/Typescript\nWork closely with Product Owners to clarify feature requirements and ensure business context is well-understood and the product build accordingly\nEnsure features meet Definition of Done, with state-of-the-art unit, integration, and end-to-end test coverage.\nSupport incident response and production issue resolution as per team standards.\nActively contribute to team knowledge sharing and coach colleagues in technical best practices.\nWymagania\nEssential Qualifications:MSc+ in Computer Science or equivalent\n5 years of proven experience in building solid front-end applications with React is a non-negotiable must have.\nAt least 2 years of experience in building secure REST APIs using ASP.NET\nComprehensive knowledge of contemporary web application architectures, with a focus on microservices and cloud design patterns.\nDemonstrated ability of high technical Ownership is requirement for this role.\nBonus Skills:Hands-on experience with AWS infrastructure.\nExperience working in cross-functional product teams using Agile practices and following Domain-Driven Design (DDD).\nCollaboration and Interpersonal Skills:Clear and adaptive communication with both technical and non-technical stakeholders.\nStrong sense of ownership, accountability, and proactive problem-solving.\nLanguages: English: B2 - (No certificate required, but Fluency)\nGerman: desired, not required\n\nTech stack\n.NET\nReact\nREST API\nAWS\nDDD\nClaude\nTypeScript","description_format":"text","description_chars":2588,"description_truncated":false,"requirements":{"experience_years_min":2,"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":"2026-10-14T18:21:00Z"}],"visa":[],"liveness":{"score":62,"band":"ok","label":"Likely open","p_open":0.85,"p_active":0.814,"p_room":0.9,"age_days":19,"expected_fill_days":29,"reasons":["seen:19","win:mid"],"computed_at":"2026-11-03T05:54:40Z"},"pay":{"stated_usd_annual":88969,"is_top_pay":false},"html_url":"https://alion.io/job/esurance-full-stack-software-engineer","json_url":"https://alion.io/job/esurance-full-stack-software-engineer.json","meta":{"generated_at":"2026-11-04T06:03:58Z","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":9385,"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":2268087},"rest":"https://alion.io/mcp/rest/get_company?id=2268087"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fesurance-full-stack-software-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%2Fesurance-full-stack-software-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%2Fesurance-full-stack-software-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/esurance-full-stack-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fesurance-full-stack-software-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2552710}},{"tool":"search_jobs","arguments":{"company":"esurance.ch","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2552710},"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"}}