Senior Fullstack .NET Developer

Join a well-established U.S. healthcare services provider as a Senior .NET Full Stack Developer, creating reliable medical assessment platforms that help enable fair, compliant decision-making across the country. The Opportunity Make a meaningful contribution by designing and developing full-stack solutions that support independent medical reviews, claims verification, compliance processes, and document management across the insurance, legal, and government sectors.With more than 20 years of experience and operations spanning the U.S., U.K., Canada, and Australia, the organization delivers large-scale systems for complex healthcare services. In this role, you will build end-to-end solutions across portals, workflows, and integrations, with a strong focus on quality, reliability, and continuous improvement.Why join us?Proudly Great Place to Work® certifiedCelebrate globally: Company trips (2025: Hong Kong, 2024: Thailand), Culture Champs, Year-end parties, leadership awards & moreGrow with stability: 100+ in our 10-Year Club by 2025Dynamic talent network: 2,000+ across APAC and beyondCompetitive compensation with annual reviewsComprehensive medical care for you and your familyGenerous paid leave because work-life balance mattersLevel up with LinkedIn Learning and tailored trainingFlexible work setupStaff Testimonial “The team is always supportive and open to collaboration, which creates a great environment for learning and growth.” Senior Member, ASW Global.What You’ll DoDesign, develop, test, deploy, and maintain full stack features and enhancements across the product lifecycle.Work within an Agile Scrum environment, actively participating in sprint planning, daily stand-ups, backlog refinement, sprint reviews, and retrospectives.Collaborate with Product Owners and cross-functional teams to gather, clarify, and translate business requirements into technical solutions.Deliver high-quality, scalable software components with minimal supervision, ensuring adherence to timelines and engineering standards.Participate in code reviews, debugging, and troubleshooting to ensure code quality, performance, and reliability.Key Criteria7-10+ years of hands-on experience in Microsoft .NET (.NET Framework, .NET Core, ASP.NET, Entity Framework)Strong working knowledge of relational database design (SQL, MSSQL)Experience with front-end development using JavaScript frameworks (Angular)Knowledge of Software Architecture patterns and principlesAble to work effectively across multiple change projects or change activities simultaneouslyPractical experience in Agile, Scrum and iterative developmentHigh proficiency in English, with a critical-thinking and proactive mindsetWork setup: Ho Chi Minh City (Ree Tower, Xom Chieu Ward): Vietnam business hours (8 AM – 5 PM) with a hybrid setup (2 days onsite, 3 days remote)