{"id":120708,"url":"https://alion.io/job/transunion-senior-net-developer-3","title":"Senior .NET Developer","company":{"id":3960,"name":"TransUnion","domain":"transunion.com","url":"https://alion.io/company/transunion","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":92,"open_postings":48,"ghost_share":0.042,"stale_share":0.354,"repost_share":0.104,"time_to_fill_p50_days":21,"computed_at":"2026-10-17T05:46:00Z"}},"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":["Heredia, Costa Rica","Costa Rica"],"countries":["CR"],"hiring_countries":["CR"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":32000,"max_usd":94000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":6933},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASP.NET Core","optional":false},{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"MS SQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Scrum","optional":false},{"name":"SQL","optional":false},{"name":"Dependency Injection","optional":true},{"name":"HIPAA","optional":true},{"name":"Linux","optional":true}],"status":"live","first_seen_at":"2026-07-20T00:00:00Z","employer_posted_date":"2026-07-20","last_verified_at":"2026-10-18T01:29:37Z","board_verified":true,"closed_at":null,"days_open":90,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":90},"description":"TransUnion's Job Applicant Privacy Notice\nTeam Overview\nThe DHI Information Technology Online Scrum Team supports TransUnion’s DHI business unit by building, maintaining, and modernizing secure software applications that help enable digital insurance and telematics capabilities. The team works closely with partners across Insurance, Product Management, Project Management, and technology leadership to deliver scalable, reliable solutions that support business growth and operational effectiveness. Reporting to the Manager, Software Development.\n\nThis is a remote position which may require occasional in-person attendance at work-related events at the discretion of management.Role Overview And Core Responsibilities\nLead development efforts for key DHI Information Technology software applications and frameworks, including the new TransUnion Telematics project, to support business priorities across Insurance, Product Management, and Project Management.\nServe as a technical leader for the DHI Information Technology Online Scrum Team, helping guide solution design, architecture decisions, delivery planning, and engineering best practices.\nDesign, develop, test, troubleshoot, maintain, and support secure enterprise applications using the Microsoft .NET framework and modern software engineering practices.\nPartner with stakeholders and senior leaders to define technical direction, align development work to business outcomes, and help prioritize complex initiatives in a fast-paced delivery environment.\nBuild and support complex integrations and external connections with third-party business partners, with a focus on reliability, scalability, performance, and security.\nMaintain and enhance end-to-end continuous integration and continuous delivery (CI/CD) pipelines, including automated testing, repeatable deployments, and continuous security scanning across environments.\nApply a security-first software development lifecycle (SDLC) approach by using secure coding practices, supporting vulnerability remediation, and aligning work to internal policies, regulatory expectations, and industry standards.\nResearch, evaluate, and recommend technologies, tools, and design approaches that can improve development productivity, application performance, maintainability, and cloud cost optimization.\nIdentify, investigate, and resolve software defects and application issues in partnership with business users, technology teams, and cross-functional stakeholders.\nRequired Knowledge And Experiences\nBachelor’s degree or master’s degree in Computer Science, Information Technology (IT), Information Systems (IS), or a related field, or equivalent practical experience, to support complex enterprise software design and delivery.\n5 to 8 years of experience in software development, software product engineering, or software consulting, including hands-on experience creating and maintaining applications using the Microsoft .NET technology stack.\nExperience translating stakeholder requirements into technical specifications, estimates, application deliverables, and maintainable software solutions.\nExperience working with business users and cross-functional stakeholders to troubleshoot application issues, support existing systems, and deliver improvements aligned to business needs.\nStrong understanding of secure software development practices, sensitive data handling, and compliance-minded engineering to support systems that may involve regulated or confidential information.\nRequired Technical Skills\nMicrosoft .NET framework, .NET Core 5 or 6, C#, Active Server Pages .NET Model-View-Controller (ASP.NET MVC), Active Server Pages .NET Web Application Programming Interface (ASP.NET Web API), and Microsoft Visual Studio.\nRelational database development using Microsoft SQL Server, PostgreSQL, Structured Query Language (SQL), schema design, querying, data access layers, and data integrity practices.\nContinuous integration and continuous delivery (CI/CD), automated testing, deployment pipelines, and secure software development lifecycle (SDLC) practices.\nCloud application development and operations, with experience in Amazon Web Services (AWS) preferred based on the role requirements provided.\nDistributed systems, application performance optimization, complex integrations, external partner connections, and enterprise-grade troubleshooting.\nPreferred Skills\nWe're also looking for the preferred skills below. Whether you are proficient or could use some brushing up, we're happy to support your career development and growth in:\nDeveloping and supporting .NET Core applications running on Linux-based environments.\nApplying design patterns, dependency injection patterns, and related frameworks such as Autofac, Ninject, or Microsoft Unity.\nTest-driven development (TDD), including writing testable code and improving automated test coverage.\nFamiliarity with Health Insurance Portability and Accountability Act (HIPAA) and Payment Card Industry (PCI) security requirements.\nCloud technologies, cloud cost optimization, and emerging tools that improve software reliability, scalability, and engineering productivity.\n\nTransUnion Overview:\nAt TransUnion, we encourage and are committed to creating a real, positive impact and shared sense of purpose within our Workforce for Good, which empowers our people to grow, innovate and contribute to a better future for our communities and customers. We strive to build an environment where our associates are in the driver’s seat of their professional development- while having access to help along the way. We recognize that success comes when our associates thrive both professionally and personally; that’s why we prioritize work/life flexibility and offer resources for our teams across the globe to collaborate and drive excellence.\nBe a part of our Workforce for Good - you’ll work with great people, pioneering products and cutting-edge technology.\nTransUnion Job Title\nLead Developer, Software Development","description_format":"text","description_chars":5984,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Health insurance","Professional development"],"hiring_locations":[{"name":"Costa Rica","iso":"CR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Fraud Detection","Credit Bureaus & Rating Agencies"],"lifecycle":[{"event":"open","at":"2026-07-20T00:00:00Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.273,"p_room":0.28,"age_days":89,"expected_fill_days":21,"reasons":["conf:0","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/transunion-senior-net-developer-3","json_url":"https://alion.io/job/transunion-senior-net-developer-3.json","meta":{"generated_at":"2026-10-18T08:36:37Z","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":12783,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":3960},"rest":"https://alion.io/mcp/rest/get_company?id=3960"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftransunion-senior-net-developer-3"},{"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%2Ftransunion-senior-net-developer-3"},{"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%2Ftransunion-senior-net-developer-3"},{"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/transunion-senior-net-developer-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftransunion-senior-net-developer-3"}]}