Senior Fullstack Developer

Top 3 Reasons To Join Us Flexible Work from Home. Opportunity to improve English skills. Attractive Salary and Benefits. The Job This position is for a Senior Fullstack Developer (.NET, ReactJS or Angular or Blazor) to join our Aperture Cloud Vietnam team in HCMC (Quan 12). We have two upcoming projects you may find interesting: a Medical Management platform and a Transport & Logistics system. You will be working on web applications that require strong .NET skills along with modern frontend frameworks such as ReactJS, Angular or Blazor. Experience with cloud technologies will also be advantageous. Our team practices agentic AI-assisted development using tools like GitHub Copilot Enterprise and Claude Code, combined with Domain-Driven Design (DDD), Behaviour-Driven Development (BDD), Test-Driven Development (TDD), and end-to-end testing with Playwright. Your Skills and Experience Essential dev skills: Strong .NET Core, C# and Web API Strong experience in any of React, Angular, Blazor or HTMX Database design and optimization (SQL Server, PostgreSQL, or MySQL) Microservices architecture and cloud platforms (Azure, AWS, or Google Cloud) Unit and integration testing APIs Good understanding of the Agile/Scrum development methodology Preferred dev skills: Experience with Docker, Kubernetes, or CI/CD pipelines Knowledge of authentication and security best practices (OAuth, JWT, Identity Server) Experience working with AI-related technologies or integrations Familiarity with agentic AI development workflows (e.g., using agents in GitHub Copilot Enterprise, Claude Code) It would be helpful to have hands-on experience with DDD, BDD, TDD, and/or Playwright for end-to-end testing Essential soft skills: Good English communication skills, both verbal and written. IELTS certification preferred. Strong team player, positive attitude, and professionalism. 5+ years’ practical experience in designing, developing and delivering commercial software applications Experience with working with overseas customers. Interviews are online or optionally at our Aperture Cloud office in QTSC, District 12. Why You'll Love Working Here At Aperture Cloud, building great software is all about people who understand and care about the problem, who love collaborating and take pride in getting it done. We all know how important it is to be a part of our clients’ cultures and how we can add to it. We have some amazing customers you’ll get to work with, and no two days are ever the same. We enjoy the cultural diversity of our Vietnam and New Zealand offices, always celebrating success and recognising those that go above and beyond the norm. Apply today to join our winning team for: ● 14-day annual leave and 4-day sick leave ● 13th-month bonus ● Lunch allowance ● Attractive Salary, reviewed annually ● Hybrid work model – work from home or office ● Additional accident and healthcare insurance ● English training programme and practical use with NZ colleagues and customers. ● Access to premium learning and development resources ● Modern office space, well equipped including fully-stocked pantry ● Cash gifts for special occasions including Tet holiday, Vietnam National Day and Liberation Day. ● Team vacation trip, team building activities, and monthly happy hour. ● Plus much more.