Senior Java Software Engineer

• Perform hands-on coding and code review as other peer developers as needed
• Understand the requirements of the customer or business and utilize this knowledge to develop applications that are consistent with this
• Develop, maintain, and enhance  Java-based backend services  using  Spring Boot  and microservices architecture.
• Build, deploy and maintain applications across development, staging, and production environments  using Azure / AWS services and CI/CD pipelines
• Implement the data processing flow to handle large data files on AWS using AWS S3, AWS Lambda, AWS EC2, AWS OpenSearch, and AWS SSM.
• Deploy  the existing service to a  Kubernetes  cluster in another region using GitHub Actions and Helm.
• Deploy/Monitor/Troubleshoot issues for Analytics service on AWS ECS.
• Troubleshoot deployment issues on K8s, AWS.
• Participate in Agile/Scrum activities: daily standup, demo session, retrospective, estimate, and planning, etc
• Perform other tasks assigned by the Line Manager.
• Provide mentoring/training for junior members if any.

General requirements:

• Bachelor's degree in Computer Science, Information Technology, or a related field
• At least intermediate level of English level
• Likely havin g 5+ years of experience depending on how fast of your learning and developing technical capability
• Familiar with Agile development methodologies (Scrum, XP, Kanban)
• Ability to obtain deep knowledge of the project technologies and work independently with minimum guidance
• Ability to self-learn and adapt to new technologies quickly

Technical requirements:

• Strong understanding of Object-Oriented Programming (OOP) principles.
• Strong experience with  Java  web technologies, including  Spring  (Spring Core, Spring MVC, Spring Security, Spring Data, Spring Boot) and  ORM  frameworks (JPA, Hibernate).
• Strong experience designing and developing RESTful APIs,  microservices , and cloud-native applications.
• Hands-on experience with  AWS or Azure  cloud environments.
• Strong experience implementing and maintaining  CI/CD pipelines , deployment automation, and  DevOps practices  for cloud-based applications.
• Hands-on experience with  Docker, K8s (Kubernetes) , including application deployment, troubleshooting, and cluster operations.
• Experience with database design and SQL (e.g., SQL Server, Oracle, MySQL).
• Competent in software development processes and agile development practices.

Nice to have:

• Experience working with  IaC tools (e.g., Terraform)  and deployment tools such as  GitHub Actions/Helm.
• Experience with web development technologies (HTML, CSS, JavaScript) and front-end frameworks (e.g., ReactJS, Angular, VueJS, KnockoutJS)
• Experience with large-scale web-based applications,  setting up CI/CD pipelines and web security issues.
• Proficient daily use of AI coding tools (Copilot, Cursor, Claude Code) across the full SDLC
• Able to decompose complex tasks, provide effective context, and apply chain-of-thought and multi-step prompting workflows
• Experience with agentic workflows and AI-driven development frameworks
• Hands-on experience integrating AI tools with other systems via MCP (Model Context Protocol) or equivalent
• Awareness of emerging AI tools and willingness to evaluate and adopt new capabilities

• ** 1 Month Sign-on Bonus: Offer & Onboard from 30 Jul - 15 Sep, 2026

KMS Technology is a strategic engineering company helping businesses turn bold ideas into high-impact solutions—faster. Founded in 2009 as a U.S.-based services company, we’ve grown into a global organization with locations in the US, Vietnam, Mexico and Poland. KMS is trusted globally for the quality of our engineering and consulting services. We bring deep expertise in product development and quality assurance, Data & AI-native engineering, and delivery excellence to every engagement. Our mission is to help customers build what’s next—accelerating innovation, crafting brilliant solutions, and creating  real-world impact. At KMS, we believe sustainable growth is built on the success of our clients and employees, and in making a lasting contribution to our communities.

More about KMS Technology:

Website:  https://kms-technology.com

Linkedin:  https://www.linkedin.com/company/kms-technology

Perks You'll Enjoy

• Working in one of the Best Places to Work in Vietnam
• Building large-scale & global software products
• Working & growing with Passionate & Talented Team
• Diverse careers opportunities with Software Services, Software Product Development, IT Solutions & Consulting
• Attractive Salary and Benefits
• Performance appraisals every year and performance bonus
• Onsite opportunities: short-term and long-term assignments in North American (U.S, Canada), Europe, Asia.
• Flexible working time
• Various training on hot-trend technologies, best practices and soft skills
• Premium healthcare insurance for you and your loved ones
• Company trip, big annual year-end party every year, team building, etc.
• Fitness & sport activities: football, tennis, table-tennis, badminton, yoga, swimming…
• Joining community development activities: 1% Pledge, charity every quarter, blood donation, public seminars, career orientation talks,…
• Free in-house entertainment facilities (foosball, ping pong, gym…), coffee, and snack (instant noodles, cookies, candies…)

And much more, join us and let yourself explore other fantastic things!