{"id":1911806,"url":"https://alion.io/job/euroclear-senior-net-software-engineer","title":"Senior .NET Software Engineer","company":{"id":61,"name":"Euroclear","domain":"euroclear.com","url":"https://alion.io/company/euroclear","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"B","score":81,"open_postings":16,"ghost_share":0,"stale_share":0.75,"repost_share":0,"time_to_fill_p50_days":52,"computed_at":"2026-10-12T06:55:09Z"}},"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":["Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":55000,"max_usd":92000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":312},"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":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Copilot","optional":false},{"name":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"IBM MQ","optional":false},{"name":"MS SQL","optional":false},{"name":"Rest API","optional":false},{"name":"COBOL","optional":true}],"status":"live","first_seen_at":"2026-10-05T14:55:42Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-10-12T05:09:42Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Division: Group Business Solutions (GBS)\nAs a Senior .NET Software Engineer within Group Business Solutions (GBS), you will play a key role in designing, building, and evolving business-critical applications that support Euroclear's operations and strategic initiatives. You will combine deep technical expertise with application ownership, working closely with business stakeholders, architects, and engineering teams to deliver scalable, secure, and resilient solutions. Beyond software development, you will drive modernization efforts, promote engineering excellence, and help ensure the long-term sustainability and reliability of the application landscape.\nKey Responsibilities\nCarry out the end-to-end design and the build of enterprise-grade .NET solutions, defining technical specifications ensuring scalability, resilience, security, and maintainability across the application landscape.\nDrive requirements analysis, solution estimation, technical feasibility assessments, and risk identification to enable predictable delivery of complex initiatives and strategic programs.\nAlign with business stakeholders, architects, and product teams to build and ship solutions, help identify modernization opportunities(e.g. cloud migration), and maximize business value through technology-driven enhancements.\nChampion production reliability and support stability by leading root-cause analysis, implementing permanent corrective actions, and following proactive monitoring and observability practices.\nCreate and govern high-quality solution designs and following strict Euroclear methodology by creating technical documentation, ensuring alignment with enterprise standards, security requirements, and long-term technology roadmaps.\nAs an application owner, own the application roadmap and long-term sustainability, Ensure applications continue to meet business requirements.\nReview and approve application changes and enhancements, Support design decisions and future evolution of the application\nProvide technical guidance and mentorship to engineering teams, promoting engineering excellence, best practices, and continuous improvement. \nWhat You Need to Have for This Role\nExtensive hands-on experience designing, developing, and supporting large-scale distributed applications and enterprise-grade software solutions using Microsoft technologies.\nDeep expertise in software architecture, design patterns, Domain-Driven Design (DDD), and cloud-native application development.\nStrong experience with:Visual Studio, Git, GitHub, and Azure DevOps\nCI/CD pipelines and DevOps automation\nMicrosoft Azure services\nMicrosoft SQL Server and performance diagnostics tools\nREST APIs, integration patterns, and IBM MQ\nPowerApps\nGitHub Copilot and AI-assisted software development\n\nAdvanced Proficiency In\nC#, .NET, and ASP.NET Core\nREST APIs and Integration Patterns\nMicrosoft SQL Server\nMicrosoft PowerApps\nCloud and Hybrid Integration Solutions\nDesigning scalable, secure, resilient, and high-performing applications\nDevOps practices, CI/CD automation, observability, monitoring, performance tuning, release management, and production support\nSoftware quality engineering practices including automated testing, code reviews, static code analysis, security scanning, and continuous improvement\nApplication modernization and cloud migration 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