ABOUT VMO
VMO - a proud member of the ALTEN Group, a global leader in engineering and IT services with nearly 60,000 employees worldwide. VMO is proud to be a trusted partner of major global enterprises, including esteemed Top Fortune 500 companies.
Our expertise spans across consulting, technology, and research, enabling enterprises to accelerate innovation, optimize operations, and drive digital transformation. Leveraging cutting-edge capabilities in AI, Data, IoT, Cloud, VMO partners with clients worldwide to turn ambitious ideas into impactful solutions. We deliver technology excellence across industries - from healthcare, finance to manufacturing and beyond - empowering organizations to stay competitive in an ever-changing digital era.
With a strong global presence and proven track record, VMO plays a key role in large-scale international projects and continues to pioneer innovations that shape the future of smart technology.
Mission:
- We are on a mission to streamline operations and elevate customer experience through intelligent automation and modern engineering. We are seeking a Principal Full Stack Engineer who will be a key individual contributor responsible for architecting, building, and scaling our next generation of AI-powered capabilities.
- As one of our most senior individual contributors, you will partner closely with Product, Design, and Engineering Leads to define technical direction, architect robust AI first solutions, and deliver reliable, maintainable software. You will also help integrate AI thoughtfully and pragmatically into Sleek products and internal processes.
You will ensure:
- High-quality, scalable, secure engineering solutions
- Thoughtful and practical application of AI to automate and improve customer workflows
- High-quality systems capable of supporting advanced AI workloads at scale
- Strong engineering standards, testing, and maintainability
- Clear communication, alignment, and predictable delivery across teams
- Mentorship and technical leadership to elevate the broader engineering team
- Outcomes:
- Deliver High-Impact Product and Platform Improvements
- Lead end-to-end design and implementation of major product features and platform enhancements.
- Deliver solutions that improve performance, reduce operational issues, and enhance scalability.
- Take ownership of a complex technical domain and become the subject-matter expert for it
- Strengthen Architecture and Technical Foundations Assess current architecture and propose a 6–12 month roadmap of improvements (performance, reliability, modularity).
- Introduce or refine engineering patterns and frameworks to speed up development while ensuring stability and quality.
- Drive adoption of best practices in API design, modular architecture, and system observability.
- Improve Quality, Standards, and Engineering Best Practices Establish or refine engineering standards (testing, linting, CI/CD, error handling, code review quality).
- Champion the use of modern engineering tools, including AI-assisted development and testing tools, to improve team productivity.
- Ensure strong automated test coverage and modern DevOps practices across services.
- Identify recurring technical debt and support requests, and lead systemic fixes rather than one-off patches Advance Performance, Security, and Operational Reliability Introduce meaningful monitoring, logging, alerting, and resilience patterns for critical services.
- Detect and fix bottlenecks in API performance, data modeling, database queries, or front-end rendering.
- Strengthen secure-by-default coding practices and guide teams on potential risks.
- Mentor and Elevate the Engineering Team Provide hands-on coaching to mid and senior engineers; uplift the skillset of the entire engineering org.
- Lead architecture reviews, design discussions, and tech deep dives with clarity and influence.
- Act as a force multiplier through clear documentation, reusable components, patterns, and frameworks.
- Strengthen Cross-Functional Collaboration Work closely with PM, QA, and Design to refine requirements and ensure stories meet DOR/DOD.
- Communicate proactively about risks, trade-offs, estimates, and delivery expectations.
- Serve as a trusted partner to business and product stakeholders for complex or ambiguous technical problems
Requirements
- 8 plus years of full stack engineering experience
- 8 plus years leading delivery of complex systems
- Experience designing scalable architectures, APIs, and services with strong testing and observability. Strong proficiency with Javascript and Typescript.
- Strong proficiency in modern backend technologies (, bonus to have experience with NestJS) and frontend frameworks (React or Vue).
- Strong proficiency with both relational databases (Postgres or MySQL) and no-SQL databases (MongoDB), along with ORMs like TypeORM and Mongoose.
- Proven track record delivering production-grade applications in SaaS, B2B, FinTech, or similar environments.
- Hands-on experience building and integrating AI-powered features, such as LLM-based automation, classification, document processing, or workflow enhancement. Familiarity with AI development and evaluation tools (e.g., vector search, embeddings, prompt frameworks, or AI-assisted development tools).
- Solid understanding of cloud platforms (AWS preferred), CI/CD pipelines, and DevOps practices.
- Excellent communication skills and experience partnering with Product, Design, and QA.
- A history of mentoring engineers and raising engineering quality across teams.
- Nice to have : Experience in Fintech (accounting, bookkeeping, etc)
BENEFITS
Working time: 8.30 am – 5.30 pm from Monday to Friday.
OPPORTUNITIES AND CHALLENGES:
- Dynamic Environment: Work in a professional, modern, and fast-paced environment where you can tackle challenging projects both locally and globally.
- Empowerment & Growth: We foster a culture of open dialogue and empowerment, allowing you to innovate and create in your own way. Your talent and achievements will be recognized and rewarded annually. We also offer support for professional development and relevant certifications.
- Cutting-Edge Projects: You'll be at the forefront of the industry, working on large-scale, hot-trend projects with the latest technologies.
ATTRACTIVE REWARDING POLICY AND WORK-LIFE BALANCE:
- Performance Review: Annual salary review based on performance.
- Bonuses: 13th-month salary and holiday bonuses as per company policy.
- Annual company trip (5 million VND/person), monthly teambuilding allowance
- Full social insurance coverage & Annual health check-ups at top hospitals.
- Comprehensive support for employees and their families: birthday, marriage, childbirth, illness, etc.
- All necessary work equipment and devices are provided.
- Diverse sports and cultural activities, including clubs for football, cycling, badminton, etc.
- Instructor allowance and special awards for training and learning achievements, such as Monthly Learning Star, Outstanding Lecturer, and Annual Learning Star.
