# Software Engineer - AI Systems (Middle/Senior)

> EPOS · Ho Chi Minh City, Vietnam · Full-time · Posted 2026-03-17

**Workplace:** on_site

**Department:** EPOS Vietnam

## Description

**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

## Apply

[Apply at EPOS](https://apply.workable.com/epos/j/7B71A8CB9C/apply)

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