About the job
OptiSigns powers digital signage for more than 35,000 businesses in over 100 countries, managing upwards of 200,000 active screens worldwide. Founded in Houston, Texas in 2016, the company continues to expand rapidly in Asia and Europe. The engineering team plays a central role in this growth, focusing on turning everyday displays into effective communication tools.
This full-time onsite role in Ho Chi Minh City calls for a Staff Software Engineer/Architect to lead technical direction and guide the local engineering team. The position combines hands-on architecture work with team mentorship, aiming to scale the OptiSigns platform and support global growth. The core focus is on system scalability, reliability, and helping the team deliver robust solutions.
Role overview
- Mentor and support engineers, raising technical standards and fostering growth
- Drive platform scalability by managing systems with over 100 million database records and terabyte-scale data
- Ensure the platform supports increasing global traffic without sacrificing reliability
What you will do
- Design and scale backend systems for high concurrency and large datasets
- Oversee end-to-end platform performance, reliability, and scalability
- Optimize databases, data pipelines, caching, and backend services
- Identify and resolve system bottlenecks before they affect users
- Mentor a high-performing engineering team onsite in Ho Chi Minh City
- Collaborate with leadership to define technical strategy and roadmap
Requirements
- Minimum 5 years in backend or systems engineering
- Proven experience scaling systems to 100 million+ records and terabyte-scale data
- Expertise in distributed systems, high-availability architecture, and performance tuning
- Strong database skills (PostgreSQL, MySQL, NoSQL, Redis)
- Solid background in cloud technologies
- Proficiency with Node.js and TypeScript (NestJS or Express is a plus)
- Familiarity with modern backend patterns, data pipelines, and real-time systems
- Excellent communication and mentoring abilities
- Experience leading or mentoring a team of 5-6 junior engineers
- Full-time onsite work required at the Ho Chi Minh City office
Benefits
- Direct impact on the architecture of a global product used by thousands of customers
- Opportunities to solve real-world scaling challenges with visible business results
- High level of ownership and input into technical direction

