Technical Lead/Senior Software Engineer

JOB DESCRIPTION

We are looking for a Technical Lead/Senior Software Engineer with strong expertise in system design, backend architecture, and scalable systems, along with hands-on coding, technical leadership, and end-to-end delivery ownership.

• Write high-quality code for complex, business-critical components across buyer-facing and seller-facing marketplace platforms.
• Design and develop scalable backend services, microservices, APIs, data pipelines, and distributed systems.
• Architect internal operations platforms, workflow automation solutions, KYC/compliance checks, and partner integrations.
• Make pragmatic technical decisions that balance delivery speed, reliability, security, and long-term scalability.
• Lead engineering teams through hands-on guidance, pair programming, and thorough code reviews while establishing engineering standards and fostering a culture of ownership, continuous learning, and quality.
• Support hiring, onboarding, and mentoring engineers from junior to senior levels.
• Translate product priorities into practical engineering roadmaps and resource plans.
• Own features end to end, from system design and development to deployment and post-launch monitoring.
• Ensure high availability, performance, and security across distributed systems.
• Automate manual business workflows and streamline internal processes.
• Continuously improve development practices, including CI/CD pipelines, testing strategies, and DevOps workflows.

REQUIRED SKILLS & EXPERIENCE

• 7+ years of software engineering experience, including 2+ years in a Senior or Lead role with hands-on coding and technical coordination.
• Strong Computer Science fundamentals: data structures, algorithms, distributed systems and software design.
• Deep full-stack expertise across:
• React.js, Next.js and TypeScript
• ASP.NET Core (C#) for microservices and backend API
• Relational database design, performance tuning and optimization
• AWS, containerization and Kubernetes in production
• Unix/Linux CLI and engineering workflow
• RESTful and RPC microservices architecture.
• Proven ability to work effectively in fast-paced environments with changing business requirements.
• Fluent English with excellent cross-functional communication skills.

NICE TO HAVE

• Experience building B2B marketplaces, e-commerce, fintech or healthcare/pharma platforms.
• Knowledge of KYC, compliance and data privacy requirements in regulated industries.
• Experience with event-driven architecture and message queues (Kafka, RabbitMQ, SQS/SNS).
• Infrastructure as Code (Terraform, CloudFormation) and observability tooling (Grafana, Datadog, OpenTelemetry).
• Experience scaling an engineering team in a startup or high-growth company.
  

• Competitive and negotiable salary (UP TO 60M).
• Probation salary is 100% of official salary.
• 13th-month salary and annual performance review.
• Bonus for special occasions each year (Labor Day, National Day, Solar New Year, Lunar New Year).
• Project bonus.
• Employee's professional certification and training allowances subject to company regulations.
• Opportunity to participate in internal training programs on AI, foreign languages, and professional development.
• Health Care Insurance.
• Annual Health Assessment.
• Social, health and unemployment insurance following government policy.
• Enjoy company summer trips and other team-building activities held monthly and quarterly.
• Professional, creative and dynamic working environment.
• Work five days per week with flexible check-in time.