Software Engineer - AI Systems (Middle/Senior)
About EPOS Vietnam
Established in 2009, EPOS Vietnam serves as the technical hub of EPOS Singapore, a leading provider of cutting-edge Point-of-Sale (POS) and SaaS solutions. Backed by Ant International — a global leader in digital payments and financial technology — we play a pivotal role in developing innovative, scalable, and user-centric digital solutions that power EPOS products. Our technologies enable thousands of SMEs in Singapore, and with ongoing expansion plans across Asia, to digitize and grow their operations through cost-effective and reliable platforms.
At EPOS Vietnam, we cultivate a collaborative and dynamic culture driven by innovation and a passion for transforming businesses through technology. Join us to shape the future of digital solutions across Asia and beyond!
Key Responsibilities
- Design and develop scalable backend systems and services using Java, Golang, or Python
- Build APIs and platforms that integrate with AI services and LLM-based systems
- Develop internal tools and smart infrastructure that improve engineering productivity
- Integrate with AI/LLM APIs to enable automation, intelligent workflows, and AI-powered features
- Collaborate with AI Engineers and Product teams to deliver AI-enabled solutions
- Build reliable and scalable microservices and distributed systems
- Optimize system performance, reliability, and scalability
- Troubleshoot production issues and continuously improve system stability
- Contribute to system architecture, engineering standards, testing, and documentation
- Explore and adopt AI-native development practices and tools
Requirements
- Bachelor’s Degree in Computer Science / Information Technology / Software Development or related fields
Must have:
- 2+ years of experience in backend software development
- Proficiency in at least one of the following languages: Java / Golang / Python
- Experience building RESTful APIs and backend services
- Good understanding of system design and distributed systems
- Experience working with databases (PostgreSQL, MySQL, Redis, or NoSQL)
- Familiarity with Docker or containerized environments
- Experience with cloud platforms (AWS, GCP, or Azure) is a plus
- Strong problem-solving skills and engineering ownership
- Intermediate English communication
Nice to have:
- Experience working with LLM APIs (OpenAI, Claude, etc.)
- Experience building applications that call and orchestrate external APIs
- Familiarity with RAG pipelines, LLM orchestration, or AI application architectures
- Experience with vector databases (Pinecone, Weaviate, Milvus)
- Familiarity with event-driven architectures (Kafka, RabbitMQ)
- Experience working with Kubernetes in production environments
- Basic understanding of MLOps or AI infrastructure
Benefits
We are a multinational, product-driven company specializing in proprietary POS solutions — developing in-house and delivering directly to our worldwide customers.
Benefits
- Recognition & Rewards:
- Performance Bonus (subject to the company’s business results and the employee’s performance evaluation)
- Biannual Performance Review and Salary Adjustment
- Comprehensive Insurance Coverage:
- Full government public insurance contributions based on gross salary
- Premium health insurance
- Annual health check
- Clear career development and growth structure; Training sessions and Learning workshops
- 14 days of annual leave and one additional day of leave for every year of service
- Laptop/MacBook and top-notch facilities are provided based on each role
- Agile/Scrum-based internal workflows for efficient and collaborative development
- Company trips, parties and regular team-building activities; Weekly happy hour, coffee, snacks, and board games
- Overseas travel opportunities based on the individual performance and policies for each evaluation period
Working Environment & Culture
- International Workplace: English-speaking environment
- Positive and Open-Minded Culture: Engineers are encouraged to propose innovative solutions that enhance productivity and code quality
- 1-on-1 Mentorship: Monthly coffee sessions with managers offer personalized feedback, goal setting, and career development opportunities
- Flexible Working Hours: Promote work-life balance and individual productivity