{"id":2992422,"url":"https://alion.io/job/epos-java-software-engineer-senior-strong-ai-integration","title":"Java Software Engineer (Senior) - Strong AI Integration","company":{"id":237906,"name":"EPOS","domain":"epos.com.sg","url":"https://alion.io/company/epos-3","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"B","score":74,"open_postings":104,"ghost_share":0.51,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":19,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ho Chi Minh City, Vietnam"],"countries":["VN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":13000,"max_usd":39000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":7270},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Function Calling","optional":false},{"name":"GCP","optional":false},{"name":"Java","optional":false},{"name":"JUnit","optional":false},{"name":"LLM","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"Agile","optional":true},{"name":"CI/CD","optional":true},{"name":"Docker","optional":true},{"name":"Kubernetes","optional":true},{"name":"Scrum","optional":true}],"status":"live","first_seen_at":"2026-10-21T10:20:35Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-23T12:14:49Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":1},"description":"About EPOS Vietnam\nEstablished 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.\nAt 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!\nKey Contributions\nDesign, develop, and maintain scalable Java backend services using Spring Boot and microservices architecture.\nCollaborate with AI Engineers to integrate LLM-powered solutions and AI agents into EPOS’s existing systems and business workflows.\nDevelop APIs, backend components, and integration logic to connect AI services with internal systems, databases, and business applications.\nBuild and enhance AI agent workflows, including tool calling and multi-step execution, where required.\nEnsure the performance, reliability, security, and scalability of AI-integrated backend services in production.\nTroubleshoot integration issues, and maintain high standards of code quality and system maintainability.\nContribute to system architecture, code reviews, and technical improvements while mentoring junior engineers.\nRequirements\nBachelor’s degree in Computer Science / Information Technology / Software Engineering, or a related field.\nAt least 6 years of experience in Java backend development, with strong proficiency in Java, Spring frameworks (Spring Boot, JUnit, etc), RESTful APIs, and microservices architecture.\nSolid experience with Cloud platforms (AWS, Azure, GCP) and cloud-based application development.\nSolid understanding of system design, API integration, distributed systems, and production-grade software development.\nHands-on experience integrating LLMs, AI services, or AI agents into applications or backend systems.\nFamiliarity with AI agent workflows, tool/function calling, and LLM orchestration frameworks is a plus.\nExperience with cloud platforms, Docker, Kubernetes, and CI/CD is an advantage.\nStrong problem-solving, communication, and cross-functional collaboration skills.\nGood English communication is mandatory.\nBenefits\nWe are a multinational, product-driven company specializing in proprietary POS solutions - developing in-house and delivering directly to our worldwide customers.\nBenefits\nRecognition & Rewards:\n Performance Bonus (subject to the company’s business results and the employee’s performance evaluation)\nBiannual Performance Review and Salary Adjustment\nComprehensive Insurance Coverage:\nFull government public insurance contributions based on gross salary\nPremium health insurance from Liberty Insurance\nAnnual health check\nClear career development and growth structure; 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