AI Data Engineer (Senior)

About Us 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, 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, develop, and maintain end-to-end data pipelines to ingest, process, and store large volumes of structured and unstructured data. - Architect and build scalable data infrastructure, including data lakes, data warehouses, pipelines, and metadata repositories. - Build and optimize data platforms to support analytics, AI/ML, and Generative AI applications. - Build data pipelines for AI/GenAI use cases, including data preparation, document processing, embeddings, and RAG workflows. - Ensure data quality, reliability, consistency, and performance across the data platform. - Monitor, troubleshoot, and optimize data pipelines and infrastructure for scalability and cost efficiency. - Collaborate with AI/ML Engineers, Software Engineers, and other stakeholders to deliver data and AI products. Requirements Must have: - Bachelor's Degree in Computer Science / Information Technology / Software Development or related fields. - 6+ years of hands-on experience in Data Engineering. - Strong experience in Data Warehouse, Data Lake, and ETL/ELT pipelines. - Strong skills in Python and SQL. - Good understanding of data modeling, data quality, and performance optimization. - Hands-on experience with AI/ML or Generative AI data pipelines, particularly RAG, embeddings, or vector search. - Good/Fluent English communication is mandatory. Nice to have: - Experience with AWS/GCP/Azure. - Experience with AI Agents / LLM applications. 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