{"id":4072717,"url":"https://alion.io/job/pyyne-sr-fullstack-engineer-net","title":"Sr. Fullstack Engineer (.Net)","company":{"id":685553,"name":"Pyyne","domain":"pyyne.com","url":"https://alion.io/company/pyyne","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Buenos Aires, Argentina"],"countries":["AR"],"hiring_countries":["AR","BR"],"hiring_countries_total":2,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"Dependency Injection","optional":false},{"name":"Scrum","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-11T14:03:51Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-11T14:10:26Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"About Pyyne\nPyyne is a modern technology consultancy engineering the next generation of digital products and services.\nAt Pyyne, we believe in using technology to unlock business potential, create sustainable growth, and drive forward digital excellence. Our solutions range from advanced Software Engineering, Cloud, and Data & AI solutions.\nJob Summary\nPyyne is seeking a Senior Full Stack Engineer with experience with C#/.NET and frontend TypeScript to work as a consultant out of our South American Office. This is a high-impact role for Pyyne as we expand our collaboration with one of our fastest growing North American SaaS clients.\nA successful candidate in this role is capable of writing rock solid code, as well as collaborating effectively within dynamic Scrum teams to ensure organizational success.\nKey Responsibilities\nEmbed within existing client development team and maintain high standards of code quality and development best practices\n\nDevelop, test, and deploy high-quality web applications and services using the .NET stack\n\nPartner with business analysts to align on requirements, define technical scope, and drive project delivery - proactively manage risks, dependencies, and stakeholder expectations across the team\n\nWrite clean, scalable, and maintainable code following best practices and design patterns (e.g., SOLID principles, Dependency Injection)\n\nParticipate in all phases of the agile development lifecycle, including sprint planning, daily stand-ups, code reviews, and retrospectives\n\nTroubleshoot, debug, and upgrade existing software to ensure optimal performance and security\n\nContribute to technical documentation for new and existing features\n\nMentor and support junior and mid level developers on the team\n\nMust Have Skills:\n5+ years of professional experience as a software engineer\n\n2+ years of experience with C#/.NET 8+\n\nExperience with .NET Framework 4.8\n\nExperience with Azure cloud\n\nExperience with SQL Server and Relational Databases\n\nExperience with TypeScript and frontend web frameworks like Angular\n\nStrong OOP knowledge\n\nBenefits:\nFlexible remote working environment.\n\nCareer development opportunities in a fast-growing company.\n\nDon’t meet every single requirement? Apply anyway! At our core, we value growth, adaptability, and passion just as much as a checklist of skills. If you are excited about this role and your experience doesn't align perfectly with every tech requirement, we still encourage you to apply. The only non-negotiable for us is fluent English, as you'll be collaborating daily with global teams. If you’ve got the language skills and the drive to learn, you might be exactly who we are looking for to bring a fresh perspective to our team!","description_format":"text","description_chars":2718,"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":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Argentina","iso":"AR","kind":"country"},{"name":"Brazil","iso":"BR","kind":"country"},{"name":"Buenos Aires","iso":null,"kind":"city"}],"hiring_excludes":[],"relocation_offered":false,"industries":["AI Agents","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-11-11T14:10:26Z"}],"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":37,"reasons":["conf:2","win:early"],"computed_at":"2026-11-11T16:19:59Z"},"pay":null,"html_url":"https://alion.io/job/pyyne-sr-fullstack-engineer-net","json_url":"https://alion.io/job/pyyne-sr-fullstack-engineer-net.json","meta":{"generated_at":"2026-11-11T16:19:59Z","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":30792,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":685553},"rest":"https://alion.io/mcp/rest/get_company?id=685553"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpyyne-sr-fullstack-engineer-net"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fpyyne-sr-fullstack-engineer-net"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fpyyne-sr-fullstack-engineer-net"},{"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/pyyne-sr-fullstack-engineer-net\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpyyne-sr-fullstack-engineer-net"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4072717}},{"tool":"search_jobs","arguments":{"company":"pyyne.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4072717},"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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