Senior Full-Stack Software Engineer

Bestarion is a subsidiary of Larion, a well-established software outsourcing company in Vietnam with decades of experience delivering high-quality technology solutions. Inheriting Larion’s strong foundation and technical expertise, Bestarion continues to grow as a trusted partner for clients worldwide.

For over 15 years, Bestarion has provided innovative outsourcing services and business solutions to successful clients in more than 15 countries. Our diverse range of services includes Big Data & Data Analytics, Securities Trading Solutions, Surround Core Banking Solutions, E-commerce and Social Network App Development, and Web Application Development. We focus on today’s emerging trends such as Big Data, Cloud Computing, Social Networks, Mobility, and the Internet of Things.

Work Location Options:

Option 1: Work on-site in the USA for at least 1 year. After this period, you will continue working on-site at Bestarion’s Vietnam office.

Option 2: Work on-site at Bestarion’s Vietnam office and take business trips to the USA (approximately 4 trips per year, each lasting 1–2 weeks).

Training Period:

During the initial training phase (before joining the project), employees are required to work 100% on-site at the office following the schedule 08:30 AM – 06:00 PM.

Working Schedule After Joining the US Project:

Once you begin working directly with US clients, your working hours will shift to a split-shift schedule:

09:30 AM – 04:00 PM

09:00 PM – 12:00 AM

Hybrid Policy for Split-Shift Period:

During the split-shift period, employees will have fixed WFH days on Tuesday to Thursday each week.

The company will fully cover all travel and relocation expenses related to the U.S. assignment.

Project: These Software Engineers will be at the forefront of transforming a critical US Tax Application. This application will be used by millions of consumers across the country, making a significant impact. This work involves cutting-edge technologies and the strategic use of AI, revolutionizing how tax processes are handled in the US.

Key Responsibilities:

· Full-Stack Development: Lead the design, development, and implementation of complex features and functionalities for both front-end and back-end components of our applications.

· Front-End Expertise: Architect and develop responsive, intuitive, and high-performance user interfaces using Angular, Vue.js, ensuring an exceptional user experience (nice to have).

· Back-End Development: Design and develop highly scalable, secure, and efficient RESTful APIs and services using C# and .NET (or later) on the .NET Core Framework.

· Code Quality & Best Practices: Write clean, maintainable, and well-documented code. Conduct thorough code reviews, ensuring adherence to coding standards, design patterns, and best practices.

· Testing & Quality Assurance: Develop comprehensive Unit Tests for both front-end and back-end code to ensure reliability and correctness. Participate in and support Usability Testing and Operational Testing phases to validate application performance and user experience.

· Cloud & DevOps: Deploy, manage, and optimise applications within AWS environments, leveraging containerization technologies like Kubernetes. Collaborate with DevOps teams on CI/CD pipelines managed via Azure DevOps and GitHub for backend repositories.

· Problem Solving & Troubleshooting: Diagnose and resolve complex technical issues, performance bottlenecks, and bugs across the full stack.

· Collaboration & Mentorship: Work closely with product managers, UX/UI designers, and other engineers in an agile environment. Mentor junior engineers, sharing knowledge and promoting a culture of continuous learning.

· Project Tracking: Utilize Atlassian Jira for effective task tracking, sprint management, and project communication.

Required Skills & Experience:

· Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

· Greater than 7 years of progressive experience in software development, with a significant focus on full-stack development.

· Strong expertise in Front-End development with Angular (nice to have).

· Extensive experience with C# and the .NET Core Framework, particularly .NET 8 (or later).

· Proven experience designing and implementing RESTful API services.

· Deep experience with Visual Studio for both .NET and Angular development.

· Experience with version control systems, specifically GitHub, and familiarity with Azure DevOps for CI/CD processes.

· Hands-on experience with cloud platforms, particularly AWS, and container orchestration using Kubernetes.

· Demonstrated experience writing comprehensive Unit Tests.

· Familiarity with Usability Testing and Operational Testing methodologies.

· Proficiency in using Atlassian Jira for project management and issue tracking.

· Solid understanding of software design principles, data structures, algorithms, and design patterns.

Preferred Qualifications:

· Master's degree in Computer Science or a related field.

· Experience with microservices architecture.

· Knowledge of database technologies (e.g., SQL Server, PostgreSQL, NoSQL databases).

· Experience with other front-end frameworks (e.g., React, Vue.js) is a plus.

· Certifications in AWS or Kubernetes.

Social Skills

· Self-starter leader and individual who creates their tasks, backlog, and roadmap and communicates weekly with leadership on alignment, progress, risks, and opportunities.

· We need someone who is unafraid to successfully execute and not wait to be told what to do.

· Communication and collaboration are critical to the ability to Build Trust.

· Curiosity to Learn from Others, Learn from the Internet, and Simulation

· Results Oriented Individuals who measure what they deliver

· A natural joy, passion, and pride for what they do

Reach us: recruitment@bestarion.com

Address: QTSC Building, 1 Quang Trung, Software City, Trung My Tay Ward, Ho Chi Minh City