Senior/Lead Backend Engineer

Senior/Lead Backend Engineer (Product/ System/ SaaS/ PaaS) We are currently looking for a strong Backend Engineer with solid architectural understanding and hands-on development experience. You will play a key role in designing and developing sophisticated SaaS/PaaS applications that prioritize performance, usability, and accessibility, and building & leading your own team in the Vietnam office. Responsibilities: Develop and maintain robust, high-performing microservices using Java Spring Boot. Design and implement scalable and distributed solutions to meet complex business requirements. Utilize PostgreSQL for database management and integration within services. Create and manage containerized applications using Docker and orchestrate deployments using Kubernetes (K8S). Work collaboratively with stakeholders to analyze requirements, propose solutions, and ensure alignment with business goals. Develop comprehensive testing strategies, including unit and integration testing, to ensure reliable and secure applications. Ensure code quality and maintainability by following best practices and conducting regular code reviews. Requirements: 7+ years of experience in software development Strong Java and Spring Boot experience Strong software architecture understanding Experience with distributed systems / microservice architectures Good understanding of containerized environments (Docker/Kubernetes) PostgreSQL or other relational database experience Experience designing scalable backend systems and APIs Ability to work across backend and infrastructure topics when needed Experience building SaaS/PaaS products . Familiarity with AI/LLM-related technologies is a plus Experience with DevOps, cloud environments, CI/CD pipelines, or platform engineering is a strong advantage Soft Skills: Ability to drive technical decisions independently Mentoring or technical leadership experience Ownership mentality and ability to work in fast-moving product environments Strong ownership and accountability Excellent communication skills in English (spoken & written) Ability to work independently with limited guidance Pragmatic problem-solving mindset High motivation and reliability Product-oriented thinking instead of only task execution Ability to collaborate internationally with distributed teams Why you'll love working here Working time: Monday-Friday 9:00-18:00 Annual personal review meeting Full payment during probation period Full 13th salary 12 annual leaves Company trip Variable bonus. Gifts on special events. Monthly team bonding.