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 Contributions- Design, build, and deploy production-ready AI agents to solve complex business problems.
- Research, experiment with, and develop AI solutions from scratch, turning ideas and prototypes into practical, production-ready applications.
- Integrate AI models, agents, and AI-powered capabilities into existing systems, backend services, and business workflows.
- Take ownership of the end-to-end AI development lifecycle, from research and architecture design to implementation, evaluation, deployment, and optimization.
- Build scalable and reliable AI services, optimizing system performance, accuracy, latency, and cost.
- Explore emerging AI technologies and frameworks to identify new opportunities and improve existing solutions.
- Collaborate with cross-functional teams to translate business needs into AI solutions and provide technical guidance to other engineers.
Requirements
- Bachelor’s Degree in Computer Science / Information Technology / Software Development or related fields.
Must have:
- 6+ years of software engineering experience, with strong backend development and system design skills.
- Proven experience building AI agents and developing AI solutions from scratch, with the ability to independently research, prototype, and implement solutions beyond basic LLM API integration.
- Experience integrating AI models, agents, or AI services into existing applications and production systems.
- Solid understanding of LLMs, AI agent architectures, and related technologies.
- Working knowledge of Java and the ability to understand or contribute to Java-based codebases.
- Experience building and deploying production-grade APIs, microservices, or AI applications.
- Good/Fluent English communication is mandatory.
- Strong problem-solving skills, technical ownership, and willingness to explore new AI technologies.
Nice to have:
- Experience with agent frameworks such as LangGraph, LangChain, CrewAI, or similar tools.
- Practical experience with RAG, vector databases, embeddings, and retrieval optimization.
- Knowledge of model training, fine-tuning, inference optimization, or open-source AI models.Experience with cloud platforms, Docker, CI/CD, and distributed systems.
- Experience with other programming languages and AI coding assistants.
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 from Liberty 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
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
Skills Required
- Bachelor's degree in Computer Science, Information Technology, Software Development, or a related field
- 6+ years of software engineering experience
- Strong backend development and system design skills
- Experience building AI agents and developing AI solutions from scratch
- Experience independently researching, prototyping, and implementing AI solutions beyond basic LLM API integration
- Experience integrating AI models, agents, or AI services into existing applications and production systems
- Understanding of LLMs and AI agent architectures
- Working knowledge of Java and ability to contribute to Java-based codebases
- Experience building and deploying production-grade APIs, microservices, or AI applications
- Good or fluent English communication skills
- Strong problem-solving skills, technical ownership, and willingness to explore new AI technologies
- Experience with LangGraph, LangChain, CrewAI, or similar agent frameworks
- Practical experience with RAG, vector databases, embeddings, and retrieval optimization
- Knowledge of model training, fine-tuning, inference optimization, or open-source AI models
- Experience with cloud platforms, Docker, CI/CD, and distributed systems
- Experience with other programming languages and AI coding assistants
What We Do
EPOS, founded in 2009, is a leading Point-Of-Sales (POS) system vendor. We aim to provide SMEs powerful yet cost-effective digital solutions. Our systems are used in over 60 different industries, including major Singapore government agencies and MNCs. We have an active and strong team capable of flexible customisation requirements and handling of major projects (e.g. major clients will have 50-60 outlets, with more than 100 POS terminals). Our clients include LTA, KKHospital, Popular Bookstore, UMart, Bounce Inc. We are a team that is truly passionate about helping businesses succeed. We want to see our customers thrive, and to expand and grow their business as ours.
