{"id":3064647,"url":"https://alion.io/job/software-mind-8be-senior-fullstack-engineer-net-react","title":"[8BE] Senior Fullstack Engineer (.NET + React)","company":{"id":7464,"name":"Software Mind","domain":"softwaremind.com","url":"https://alion.io/company/softwaremind","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":80,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-24T06:02:35Z"}},"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":"structured","locations":["San José, Costa Rica"],"countries":["CR"],"hiring_countries":["CR"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":34000,"max_usd":101000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":7270},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon ECS","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Clean Architecture","optional":false},{"name":"Confluence","optional":false},{"name":"Dependency Injection","optional":false},{"name":"Docker","optional":false},{"name":"GraphQL","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Swagger","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"Material UI","optional":true}],"status":"live","first_seen_at":"2026-10-22T05:31:15Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-24T14:16:09Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Software Mind is a software engineering partner that builds and scales digital products for companies in the US and Europe. Our LATAM teams work directly with client engineering teams on complex, high-impact projects.\n We’re partnering with a leading US promotional products and e-commerce company to build a new shipping and delivery service for its white-label B2B commerce platform. The platform runs on Shopify Plus with a .NET microservices backend on AWS. The new service connects major shipping carriers, the storefront, and the existing order management systems. It’s a short, focused engagement: a discovery phase, then two-week sprints through production release.\nWhat you’ll do:\nBuild and own the Shopify storefront integration (Admin API, webhooks, checkout integration points)\nDevelop React interfaces, including admin and configuration tools\nDesign and implement .NET 8 Web API endpoints and services\nIntegrate third-party APIs behind clean adapter layers\nWork with event-driven messaging (SNS/SQS), including idempotent handling and retries\nKeep customer-facing flows fast and resilient\nAlign API contracts with the client’s storefront partner\nWrite unit, integration, and component tests\nDocument APIs (OpenAPI) and integration flows in Confluence\nTake part in code reviews, sprint ceremonies, and technical sessions with the client\n Must have:\n5+ years of full-stack development with strong C# / .NET (ASP.NET Core, .NET 6+) and React (TypeScript)\nHands-on Shopify integration: Admin API (GraphQL/REST), webhooks, checkout integration\nSolid REST API design with OpenAPI / Swagger\nThird-party API integration: authentication, rate limits, retries, error handling\nWorking knowledge of AWS: Lambda, SQS/SNS, ECS\nClean architecture: dependency injection, DDD/CQRS concepts\nTesting discipline across backend and frontend\nDocker and CI/CD\nExcellent written and spoken English for daily client interaction\nNice to have:\nShipping or carrier API experience\nShopify Plus, Hydrogen, or headless commerce storefronts\nAdmin UIs built with component libraries (Polaris, MUI, or similar)\nRetail, e-commerce, or promotional products domain knowledge","description_format":"text","description_chars":2150,"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":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Costa Rica","iso":"CR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Commerce","IT Outsourcing & Dedicated Teams","Custom Software Development","Cloud Consulting & Migration"],"lifecycle":[{"event":"open","at":"2026-10-22T07:32:42Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":17,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/software-mind-8be-senior-fullstack-engineer-net-react","json_url":"https://alion.io/job/software-mind-8be-senior-fullstack-engineer-net-react.json","meta":{"generated_at":"2026-10-24T15:34:47Z","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":22361,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":7464},"rest":"https://alion.io/mcp/rest/get_company?id=7464"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsoftware-mind-8be-senior-fullstack-engineer-net-react"},{"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%2Fsoftware-mind-8be-senior-fullstack-engineer-net-react"},{"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%2Fsoftware-mind-8be-senior-fullstack-engineer-net-react"},{"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/software-mind-8be-senior-fullstack-engineer-net-react\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsoftware-mind-8be-senior-fullstack-engineer-net-react"}]}