{"id":3293495,"url":"https://alion.io/job/infinite-senior-software-engineer-4","title":"Senior Software Engineer","company":{"id":1886342,"name":"Infinite Computer Solutions","domain":"infinite.com","url":"https://alion.io/company/infinite-com","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BrassRing","truth_index":{"grade":"B","score":75,"open_postings":32,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":30,"computed_at":"2026-10-31T05:58:55Z"}},"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":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":123000,"max_usd":229000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASP.NET Core","optional":false},{"name":"C#","optional":false},{"name":"MVP","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"React Native","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Azure","optional":true},{"name":"Azure DevOps","optional":true},{"name":"CI/CD","optional":true},{"name":"Claude","optional":true},{"name":"Copilot","optional":true},{"name":"GitHub","optional":true},{"name":"GitHub Actions","optional":true},{"name":"JavaScript","optional":true},{"name":"Jenkins","optional":true},{"name":"MS SQL","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-10-18T00:00:00Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-10-31T14:47:18Z","board_verified":true,"closed_at":null,"days_open":13,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":13},"description":"As a .NET Senior Software Engineer, you will join a talented team responsible for customizing, implementing, supporting, and troubleshooting a sophisticated enterprise digital banking platform in a fast-paced, results-driven environment. The ideal candidate brings strong software engineering, analytical, problem-solving, and consulting skills, along with experience working directly with clients, project managers, and development teams. The technology environment includes .NET, React, and SQL, with an emphasis on secure coding practices and integrations with third-party vendors, credit unions, and bank host systems. Success in this role requires effective stakeholder collaboration, technical leadership, team development, and a commitment to delivering high-quality solutions that strengthen long-term client relationships and support future customization and product opportunities.Key Responsibilities\nInstall, configure, customize, upgrade, support, and troubleshoot the digital banking solution across on-premises and hosted environments for desktop and mobile platforms.\nPartner directly with clients to understand business needs, define technical and functional requirements, and develop project estimates.\nDesign, build, test, implement, and deliver reliable, secure, and high-quality software solutions.\nCollaborate with third-party vendors to define technical requirements and configure, customize, and implement integrations with external systems.\nProvide hands-on development support and resolve complex technical issues in on-premises and hosted client environments.\nWork with senior management to define and improve technical processes and procedures that increase efficiency and client satisfaction.\nCollaborate with Product Development and Professional Services engineering teams to resolve complex project-related technical issues.\nDeliver client training for the Architect SDK in both onsite and local settings.\nLead internal technical training and knowledge-sharing sessions for development teams.\nRespond to emergency client incidents and critical business needs that may require work outside standard business hours.\nDiagnose and resolve defects efficiently, seeking clarification when requirements or defect descriptions are ambiguous.\nSupport after-hours deployments, production releases, and critical operational activities as needed.\nBasic Qualifications\nSix or more years of hands-on experience designing and developing innovative, intuitive, secure, responsive, and scalable applications.\nBachelor’s degree in Computer Science, Management Information Systems, Mathematics, Engineering, or a related field, or equivalent professional experience.\nRequired Qualifications\nStrong knowledge of C#, ASP.NET, RESTful Web APIs, WCF, and microservices architecture.\nExperience with client-side technologies, including React, React Native, and TypeScript.\nUnderstanding of software design patterns and component-based architectures, including MVP and MVW.\nStrong troubleshooting skills, including debugging, code analysis, and reverse engineering.\nWorking knowledge of the OWASP Top 10 web application security risks and effective vulnerability remediation practices.\nKnowledge of SQL Server jobs, replication strategies, linked servers, database design, and query optimization.\nPreferred Qualifications\nProficiency with development and diagnostic tools such as Microsoft Visual Studio, GitHub, file comparison utilities, and Microsoft SQL Server management tools.\nExperience delivering high-volume, mission-critical web applications, preferably in digital or online banking.\nExperience planning and conducting technical training in multiple formats.\nFamiliarity with credit union or banking host systems such as Symitar or Summit.\nExperience with CI/CD pipelines and DevOps practices, including automated build, testing, deployment, source control, and release management using tools such as GitHub Actions, Azure DevOps, Jenkins, or equivalent platforms.\nExperience using AI-powered coding assistants, such as GitHub Copilot or equivalent tools (Claude), to improve development productivity, code quality, documentation, testing, and troubleshooting while following secure coding and responsible AI practices.\nExperience in banking or financial services, particularly with digital banking applications, is 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