{"id":1606525,"url":"https://alion.io/job/vass-senior-developer-net","title":"Senior Developer .NET","company":{"id":53699,"name":"VASS","domain":"vasscompany.com","url":"https://alion.io/company/vass","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Cornerstone","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":30000,"max_usd":75000,"period":"year","method":"role_seniority_country_cell","sample_n":10},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"C#","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"Git","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"Agile","optional":true},{"name":"Kanban","optional":true},{"name":"Scrum","optional":true}],"status":"closed","first_seen_at":"2026-08-19T12:00:00Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-02T08:55:24Z","board_verified":false,"closed_at":"2026-10-02T08:55:24Z","days_open":43,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":43},"description":"*We are kicking off the process before the project has been officially awarded; the proposal has been submitted, and we are awaiting a response. If won, the project would begin in September, initially spanning seven months (through March). We will then submit a new proposal to secure further budget; the project is envisioned to last 2-3 years, plus indefinite maintenance. *The project focuses on developing a platform to generate the client's official documents. While a platform currently exists, it requires evolution, necessitating analysis, migration, and development work. The platform's core-addressing a single use case-will be developed between September and March, with remaining use cases incorporated thereafter. We are seeking a Senior Programmer with extensive experience in the .NET ecosystem to participate in the design and development of complex, scalable, and business-critical applications. A minimum of five years of professional experience is essential, ideally on large-scale projects with high technical complexity. Technical Requirements\nAdvanced proficiency in C# and the .NET environment (latest versions).\nIn-depth knowledge of SQL Server and experience with other relational or NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis, etc.).\nProficiency with Entity Framework, LINQ, and/or Dapper.\nDevelopment of REST APIs, SOA architectures, and distributed services.\nRegular use of Git and version control best practices.\nExperience developing unit, integration, and functional tests.\nDesirable: knowledge of generative AI applied to development (models, automation, copilots, process integration, etc.). Soft Skills\nExperience working with Agile methodologies (Scrum, Kanban).\nAbility to collaborate effectively within multidisciplinary squads.\nHigh level of proactivity and autonomy: capable of taking initiative, anticipating issues, and proposing solutions without requiring constant direction.\nResourcefulness: ability to learn quickly, navigate changing environments with ease, and resolve blockers using sound judgment.\nAnalytical and problem-solving mindset: ability to approach problems from scratch, understand them in depth, and build robust solutions from the ground up.\nStrong personal organization and priority management skills. 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