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EPOS

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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
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What this application asks

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First name, Last name, Email, Phone, Address, Resume, Notice Period, Expected Salary (Monthly), Current Salary (Monthly), By submitting your application to EPOS Company, you acknowledge and consent to the collection, use, and processing of your personal data for recruitment and employment-related purposes. Your information may be shared internally with relevant hiring managers and HR personnel for the purpose of evaluating your suitability for the position. We may retain your data for a reasonable period to consider you for future opportunities unless you request otherwise. We are committed to handling your data responsibly and securely, in accordance with applicable data protection and privacy regulations. If you wish to access, update, or request the removal of your data, please contact us at [email protected]. By proceeding with your application, you confirm that the information provided is accurate and that you consent to the above terms.

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