{"id":3519470,"url":"https://alion.io/job/tana-senior-backend-net-developer","title":"Senior Backend .NET Developer","company":{"id":4489095,"name":"Tana","domain":null,"url":"https://alion.io/company/tana-3","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":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Nairobi, Kenya"],"countries":["KE"],"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":"ASP.NET Core","optional":false},{"name":"Azure","optional":false},{"name":"Azure Cosmos DB","optional":false},{"name":"Azure DevOps","optional":false},{"name":"Azure SQL Database","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Clean Architecture","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"GitHub Actions","optional":false},{"name":"GraphQL","optional":false},{"name":"MediatR","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"xUnit","optional":false},{"name":"AutoMapper","optional":true},{"name":"FluentValidation","optional":true},{"name":"JavaScript","optional":true},{"name":"OpenTelemetry","optional":true}],"status":"live","first_seen_at":"2026-10-30T05:50:30Z","employer_posted_date":null,"last_verified_at":"2026-10-30T05:50:30Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"IT Jobs, Tana Jobs. Responsible for designing, developing, testing, and maintaining backend applications using .NET, building APIs, managing databases, troubleshooting system issues, and improving application performance. Requires a degree in Computer Science, Software Engineering, or a related field. This is a full-time, on-site position based in Nairobi.\n\nPosition Overview\n\nWe are hiring a Senior Backend .NET Developer to own the backend of a commercial real estate software platform. The platform helps companies manage property leases, documents, key dates, tasks and lease accounting compliance.\n\nYou will be the senior .NET expert on the team. This role requires someone who can work independently, make sound technical decisions and take accountability for what ships. Your focus will be backend development, with occasional frontend React/TypeScript tasks to support feature delivery.\n\nKey Responsibilities\n\nDesign, build and maintain backend services in C#/.NET and ASP.NET Core.\n\nBuild and maintain the GraphQL API layer consumed by the frontend.\n\nDesign database schemas and data access for SQL and NoSQL databases, including Azure SQL and Cosmos DB.\n\nIntegrate with Azure services for storage, identity/authentication, functions and search.\n\nImplement authentication, authorisation and security best practices across the API, including OAuth2, JWT and role-based access control.\n\nOwn features end to end, from scoping with the architect through implementation, unit testing, code review and deployment via Azure DevOps CI/CD.\n\nKeep the codebase clean and well-structured, following the team’s architecture patterns, including Clean Architecture, DDD and CQRS.\n\nAdd logging and monitoring to help diagnose production issues.\n\nSupport feature delivery by working on React/TypeScript frontend tasks\n\nQualifications\n\n5+ years of hands-on backend development experience in C#/.NET and ASP.NET Core.\n\nHands-on experience building GraphQL APIs. The platform uses Hot Chocolate, but experience with any GraphQL framework is acceptable.\n\nStrong SQL and NoSQL database skills, including schema design and querying. Relevant examples include SQL Server/Azure SQL and Cosmos DB or MongoDB.\n\nExperience using an ORM or data access framework to connect .NET services to databases, such as Entity Framework Core.\n\nWorking knowledge of Azure services used by .NET applications, such as App Service/Container Apps, Azure SQL, Cosmos DB, Blob Storage, Key Vault and Entra ID.\n\nUnderstanding of CI/CD and experience deploying through a pipeline. Azure DevOps, GitHub Actions or similar experience is acceptable.\n\nExperience with secure API design, including authentication and authorisation using OAuth2/OIDC, JWT and role-based access control.\n\nUnit testing as a normal part of development, using tools such as NUnit or xUnit.\n\nFamiliarity with common .NET architecture patterns, including Clean Architecture, DDD, CQRS and MediatR. You do not need experience with every pattern, but should understand them and be able to work within a codebase built on them.\n\nIndependence: comfortable being the senior go-to .NET expert and accountable for what ships.\n\nA proactive approach to raising problems and suggesting improvements.\n\nAbility to learn unfamiliar tools, services and parts of the stack, including frontend development.\n\nNice to have\n\nFoundational frontend experience in React and TypeScript.\n\nExperience with supporting .NET libraries such as FluentValidation, AutoMapper and NLog.\n\nExperience with observability tools such as Application Insights and OpenTelemetry.\n\nHow to Apply\n\nClick here to apply","description_format":"text","description_chars":3606,"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":"2026-10-30T11:37:17Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":28,"reasons":["seen:1","win:early"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/tana-senior-backend-net-developer","json_url":"https://alion.io/job/tana-senior-backend-net-developer.json","meta":{"generated_at":"2026-10-31T11:52:04Z","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":18284,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":4489095},"rest":"https://alion.io/mcp/rest/get_company?id=4489095"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftana-senior-backend-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%2Ftana-senior-backend-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%2Ftana-senior-backend-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/tana-senior-backend-net-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftana-senior-backend-net-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3519470}},{"tool":"search_jobs","arguments":{"company":4489095,"detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3519470},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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