{"id":505011,"url":"https://alion.io/job/qualysoft-senior-net-developer-2","title":"Senior .NET Developer - Banking","company":{"id":6361,"name":"Qualysoft","domain":"qualysoft.com","url":"https://alion.io/company/qualysoft","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":75,"open_postings":72,"ghost_share":0.5,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bucharest, Romania"],"countries":["RO"],"hiring_countries":["RO"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":29000,"max_usd":72000,"period":"year","method":"role_seniority_country_cell","sample_n":15},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Clean Architecture","optional":false},{"name":"Docker","optional":false},{"name":"GitHub Actions","optional":false},{"name":"Kubernetes","optional":false},{"name":"Moq","optional":false},{"name":"OpenShift","optional":false},{"name":"Oracle","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"xUnit","optional":false}],"status":"live","first_seen_at":"2026-09-07T08:40:17Z","employer_posted_date":"2026-09-07","last_verified_at":"2026-10-30T04:03:34Z","board_verified":true,"closed_at":null,"days_open":52,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":51},"description":"Responsibilities\nDesign, develop and maintain backend applications and services using C#, .NET and ASP.NET Core.\nAnalyze business and technical requirements and translate them into clear, maintainable and testable solutions.\nDesign and implement REST APIs and system-to-system integrations with clear, versioned contracts.\nContribute to reusable integration capabilities and avoid application-specific point-to-point solutions where a generic service is appropriate.\nDesign and implement synchronous, asynchronous and event-driven interaction patterns based on solution needs.\nIntegrate applications using Apache Kafka or equivalent enterprise messaging platforms.\nDevelop and optimize database interactions with Oracle and other relational databases, including SQL performance considerations.\nApply appropriate architectural patterns, including Clean Architecture, Domain-Driven Design and event-driven architecture.\nImplement authentication and authorization mechanisms using OAuth 2.0, JWT and enterprise access-management solutions.\nBuild automated unit, component and integration tests using xUnit, NUnit, Moq or equivalent frameworks.\nParticipate in code reviews and contribute to clean code, security, performance and engineering-quality standards.\nContainerize applications and support delivery through Docker and OpenShift/Kubernetes-based platforms.\nContribute to CI/CD and build automation using GitHub Actions or equivalent tooling.\nImplement logging, metrics and distributed tracing aligned with the organization’s observability standards.\nIdentify and resolve scalability, reliability and performance issues during development and testing.\nCreate and maintain technical documentation, API specifications and implementation notes.\nUse enterprise-approved generative AI tools responsibly to improve development, testing and documentation productivity, while validating all generated output.\nQualifications\nMinimum 7 years of professional software development experience in enterprise environments.\nMinimum 5 years of hands-on backend development experience with C# and .NET / .NET Core.\nMinimum 3 years of hands-on experience with ASP.NET Core.\nMinimum 3 years of experience designing and implementing REST APIs and system-to-system integrations.\nMinimum 2 years of practical experience with relational databases, including Oracle and SQL.\nMinimum 2 years of experience with messaging or event-driven solutions, preferably Apache Kafka.\nMinimum 2 years of experience with Docker and container orchestration platforms such as Kubernetes or OpenShift.\nProven experience delivering business-critical enterprise applications through the full software delivery lifecycle.\nExperience in banking, financial services or another highly regulated industry is strongly preferred; 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https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}