{"id":2847665,"url":"https://alion.io/job/arca-middle-net-developer","title":"Middle .NET Developer","company":{"id":57212,"name":"ArCa","domain":"arca.am","url":"https://alion.io/company/arca","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":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Yerevan, Armenia"],"countries":["AM"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Apache Kafka","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"C#","optional":false},{"name":"Clean Architecture","optional":false},{"name":"Dependency Injection","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"PostgreSQL","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Redis","optional":false},{"name":"Scrum","optional":false},{"name":"xUnit","optional":false}],"status":"live","first_seen_at":"2026-10-19T10:00:02Z","employer_posted_date":null,"last_verified_at":"2026-10-19T10:00:02Z","board_verified":false,"closed_at":null,"days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"We are looking for a skilled Middle .NET Developer to join our team. The ideal candidate has a deep understanding of the .NET ecosystem, writes clean and testable code, and is comfortable working in a fast-paced Agile environment. You will be responsible for developing scalable Web APIs and optimizing high-load data interactions.\n\nResponsibilities\n Develop and scale high-quality Web API services.\n\n Optimize data access layers using EF Core for maximum performance.\n\n Integrate distributed systems using Redis for caching and Kafka for messaging.\n\n Ensure code reliability through automated testing and Peer Code Reviews.\n\n Collaborate with the team during Scrum ceremonies to deliver value every sprint.\n\nRequired qualifications1. Core Expertise\n\n C# / .NET: 3+ years of commercial experience with .NET Core / .NET 5+.\n\n ASP.NET Core Web API: Deep knowledge of API design, Middleware, Dependency Injection, and security.\n\n Entity Framework Core: Expert-level knowledge (Fluent API, migrations, and performance tuning).\n\n2. Architecture & Quality\n\n OOP & Patterns: Deep understanding of Object-Oriented Programming and practical application of Design Patterns.\n\n Architecture Plus: Knowledge and experience with Clean Architecture, DDD (Domain-Driven Design), and CQRS will be a strong advantage.\n\n Principles: Strict adherence to SOLID, DRY, and KISS principles.\n\n Testing: Mandatory experience with Unit Testing (xUnit, nUnit, or MSTest).\n\n3. Infrastructure & Messaging\n\n Caching: Experience with Redis or similar caching systems.\n\n Message Brokers: Practical experience with Apache Kafka or RabbitMQ.\n\n4. Greatly Appreciated (The \"Plus\" Section)\n\n Databases: Experience with PostgreSQL or Oracle.\n\n NoSQL: Knowledge and experience with MongoDB.\n\n Optimization: Skills in Performance Optimization (query profiling and EF Core tuning).\n\n Advanced Testing: Experience with Integration and End-to-End (E2E) tests.\n\n5. Methodology\n\n Agile/Scrum: Proven experience working in Scrum teams, participating in sprints, and contributing to daily stand-ups.\n\nAdditional information\n Backend: .NET 8, ASP.NET Core Web API, EF Core.\n\n Data: PostgreSQL, Oracle, MongoDB, Redis.\n\n Messaging: Apache Kafka.\n\n Methodology: Agile / Scrum.\n\nAll interested candidates are kindly requested to send their CVs by e-mail to  mentioning the position title in the subject line.","description_format":"text","description_chars":2366,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-19T11:53:01Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":23,"reasons":["seen:3","velocity","win:early"],"computed_at":"2026-10-23T05:54:15Z"},"pay":null,"html_url":"https://alion.io/job/arca-middle-net-developer","json_url":"https://alion.io/job/arca-middle-net-developer.json","meta":{"generated_at":"2026-10-23T10:41:54Z","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":16246,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-24T00:00:00Z"}},"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":57212},"rest":"https://alion.io/mcp/rest/get_company?id=57212"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Farca-middle-net-developer"},{"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%2Farca-middle-net-developer"},{"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%2Farca-middle-net-developer"},{"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/arca-middle-net-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Farca-middle-net-developer"}]}