{"id":3486552,"url":"https://alion.io/job/asd-team-net-backend-developer-middle","title":".NET Backend Developer (Middle)","company":{"id":4487399,"name":"asd.team","domain":"asd.team","url":"https://alion.io/company/asd-team","size_band":"51-200","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":"middle","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":["Ukraine"],"countries":["UA"],"hiring_countries":["UA"],"hiring_countries_total":1,"salary":{"min":2400,"max":2500,"currency":"USD","period":"month","gross":false,"usd_annual":30000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASP.NET Core","optional":false},{"name":"Azure","optional":false},{"name":"Azure Cosmos DB","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"GitHub Actions","optional":false},{"name":"Rest API","optional":false},{"name":"SOAP","optional":false},{"name":"SQL","optional":false},{"name":"xUnit","optional":false},{"name":"Angular","optional":true},{"name":"JavaScript","optional":true},{"name":"TypeScript","optional":true}],"status":"closed","first_seen_at":"2026-10-29T18:07:10Z","employer_posted_date":null,"last_verified_at":"2026-11-02T21:43:45Z","board_verified":false,"closed_at":"2026-11-02T21:43:45Z","days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"Build technology that brings travel together!\n\nImagine working on a platform that helps people plan and enjoy trips around the world. EasyOTA brings hotels, tours, flights and multi-day packages together in one place, supporting the full journey from availability and pricing to booking and payment.\n\nAs a Middle .NET Backend Developer, you’ll help make that experience work behind the scenes. You’ll build reliable backend features, connect the platform to travel suppliers and payment providers, and solve technical challenges that have a real impact on how travel businesses operate.\n\nWhat you’ll do\n\nBuild and maintain backend features using ASP.NET Core Web API.\n\nIntegrate the platform with external travel suppliers and payment providers through REST and SOAP APIs.\n\nDesign database changes and write efficient queries using EF Core, LINQ and SQL Server.\n\nInvestigate and resolve production issues.\n\nImprove performance by tuning queries and working with large tables.\n\nCollaborate with the team to clarify requirements and make thoughtful technical decisions.\nMust have\n\n3+ years of commercial experience with C# and .NET, including .NET 8–10 and ASP.NET Core Web API.\n\nStrong SQL skills, including query tuning and indexing.\n\nExperience writing LINQ queries that EF Core can translate into efficient SQL.\n\nHands-on experience with EF Core, including migrations and performance optimisation.\n\nExperience integrating third-party REST and SOAP APIs.\n\nKnowledge of unit testing with MSTest, NUnit or xUnit, and experience with mocking.\n\nExperience working with Azure services such as App Service, Functions and Storage.\n\nFamiliarity with Cosmos DB.\n\nExperience with Git and CI/CD, preferably GitHub Actions.\n\nEnglish at B2 level or higher.\nNice to have\n\nExperience with Angular and TypeScript.\n\nExperience in the travel industry or with travel-related platforms.\n\nWhat you can look forward to\n\nRemote work and flexible hours \n\nCompetitive compensation and bonuses\n\nInteresting projects and an expert team \n\nRoom to grow \n\nRegular feedback \n\nFlexible vacation policy and paid sick leave.\n\nEnglish and psychology 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