{"id":3728408,"url":"https://alion.io/job/morningstar-senior-software-engineer-c","title":"Senior Software Engineer-C#","company":{"id":12394,"name":"Morningstar","domain":"morningstar.com","url":"https://alion.io/company/morningstar","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":93,"open_postings":14,"ghost_share":0,"stale_share":0.286,"repost_share":0,"time_to_fill_p50_days":31,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toronto, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":93200,"max":136696,"currency":"CAD","period":"year","gross":null,"usd_annual":97678},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Amazon Aurora","optional":false},{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Dependency Injection","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-03T00:00:00Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-05T23:11:42Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Morningstar is seeking a Senior Software Engineer (Backend) to design, build, and maintain scalable enterprise applications and APIs. The role focuses on backend development using C#, .NET, cloud technologies (AWS), microservices, and modern software engineering practices. The engineer will collaborate closely with Product Managers, QA, Project Managers, and other developers to deliver high-quality solutions that support Morningstar's investment research and technology platforms.\nJob Responsibilities :\nBuild well-designed, well-engineered, stable, and scalable products. \nFollow software design best practices such as continuous integration, test-driven development, and regular deployments.\nBe passionate about quality, process, programming, and investing in general\nFind opportunities for improvement, seize them, and then share your findings with others.\nTake ownership of the success of the team with a \"gets things done\" attitude. \nSeek understanding of and opportunities to leverage new technologies.\nHave or desire to become an AWS certified developer \nHelp to shape product vision \nQualifications:\nA bachelor's degree in computer science or a related field in software development with 5+ years of experience. \nHighly motivated individual with the potential and desire to learn new technologies and take on increasing levels of responsibility.\nAdvanced knowledge of C# and the Microsoft .NET Stack. Solid experience with Entity Framework, LINQ.\nExperience in Web APIs, MVC, Dependency Injection, Asynchronous programming.\nExperience with supporting technologies: Databases (SQL Server, AWS Aurora, MySQL, Postgres, NoSQL), Python, REST API’s\nDemonstrated ability to use AI tools responsibly for code generation, refactoring, unit test creation, documentation, debugging, and software design while maintaining strong engineering judgment and code ownership.\nAbility to critically evaluate AI-generated code for correctness, security, performance, maintainability, and compliance with software development standards.\nProven knowledge of enterprise software concerns such as security, scalability, transaction management, and concurrency.\nDemonstrable experience architecting and building micro service solutions hosted on AWS.\nAn understanding of how to protect software solutions from common security vulnerabilities.\nExposure to and understanding of DevOps with tools like Harness.\nKnowledge of object-oriented design, domain modeling, design patterns, and building highly scalable and available systems.\nBase Salary Compensation Range\n$93,200.00-$136,696.00Incentive Target Percentage\n12.5% AnnualMorningstar's hybrid work environment gives you the opportunity to collaborate in-person each week as we've found that we're at our best when we're purposely together on a regular basis. In most of our locations, our hybrid work model is four days in-office each week. A range of other benefits are also available to enhance flexibility as needs change. No matter where you are, you'll have tools and resources to engage meaningfully with your global colleagues.\n100_MstarResCanad Morningstar Research, Inc. 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