{"id":2624147,"url":"https://alion.io/job/zaven-backend-net-developer","title":"Backend .Net Developer","company":{"id":4240839,"name":"Zaven","domain":"zaven.com.mx","url":"https://alion.io/company/zaven-com-mx","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":null,"employment_type":"contractor","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Wrocław, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":45000,"max_usd":86000,"period":"year","method":"role_country_seniority_unknown","sample_n":924},"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 DevOps","optional":false},{"name":"CI/CD","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"JQuery","optional":false},{"name":"MS SQL","optional":false},{"name":"AWS","optional":true},{"name":"C#","optional":true},{"name":"Google Workspace","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-15T12:16:42Z","employer_posted_date":null,"last_verified_at":"2026-10-15T12:16:42Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Zaven is a software company from Wrocław, Poland. We build high-quality custom software for essential industries. Our focus is on practical results and trusting our people, not on strict rules or long processes. If you want to work with smart teams to build important software, and you want to avoid big company bureaucracy, this is the place for you.\nWe are currently developing and maintaining a large-scale platform for ordering home improvement and interior finishing services for our US-based client. That is why we are looking for a skilled .NET Developer to support us in this challenge. In this role, you will be a key part of our backend delivery, participate in system migrations, help reduce technical debt, and work closely with the team to ensure high performance and reliability of the platform.\nWhat exactly will you be doing?\nMaintaining and optimizing existing ASP.NET MVC 5 applications.\n\nSupporting and actively participating in the migration of legacy applications to modern .NET Core.\n\nDesigning and developing modern RESTful APIs using ASP.NET Core.\n\nCreating, optimizing, and maintaining T-SQL procedures and functions.\n\nRefactoring code and systematically reducing technical debt in legacy areas of the system.\n\nParticipating in system migrations from on-premise environments to the Azure cloud.\n\nWorking with Azure DevOps for software delivery and integrating the platform with various third-party APIs.\n\nRequired Skills & Experience:\nSolid professional experience in backend software development.\n\nGood knowledge of the .NET ecosystem: ASP.NET MVC 5, ASP.NET Web API, ASP.NET Core, and Entity Framework.\n\nStrong database skills, including MS SQL Server and fluent T-SQL programming.\n\nHands-on experience with Azure cloud services, particularly Azure Functions.\n\nExperience in working with Azure DevOps and CI/CD pipelines.\n\nUnderstanding of Clean Code principles, software architecture, and design patterns.\n\nBasic understanding of frontend technologies (HTML, CSS, jQuery) to effectively navigate older parts of the system.\n\nFluent command of Polish and English (both languages are required for project communication).\n\nNice to Have:\nExperience with AWS (Amazon Web Services) and migrating systems to AWS infrastructure.\n\nProject Organization & Tools:\nHardware: We provide high-end equipment (MacBook or Dell laptop), or you can choose the BYOD (Bring Your Own Device) option if you prefer.\nIDE: MS Visual Studio.\nWorkspace & Management: Google Workspace, JIRA, Microsoft Teams\nTech stack\nC#\n.Net\nASP.NET Core\nWeb API\nEntity 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