Java Software Engineer (Spring, AWS)

*** 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 ​​​​​​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 Work with AWS cloud services (e.g., S3, EC2, Lambda, OpenSearch, ECS, SSM) to support backend applications and data processing workflows. Participate in application deployment using existing CI/CD pipelines, GitHub Actions, and Helm. Support deployment, monitoring, and troubleshooting of applications running on AWS and Kubernetes environments. Troubleshoot deployment and application issues with guidance from senior engineers when needed. Participate in Agile/Scrum activities: daily standup, demo session, retrospective, estimate, and planning, etc General requirements: Intermediate English communication (able to work with international clients with support) Likely having 3+ years of experience depending on how fast of your learning and developing technical capability 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-based technologies: Spring (Spring Core, Spring MVC, Spring Security, Spring Data, Spring Boot) and ORM (JPA, Hibernate) Experience designing and developing RESTful APIs and microservices . Hands-on experience working with AWS cloud services. Familiarity with Git and modern software development practices. Nice to have: Experience with GitHub Actions or other CI/CD tools. Experience with Terraform or other Infrastructure as Code (IaC) tools. Experience with web development technologies (HTML, CSS, JavaScript) and front-end frameworks (e.g., ReactJS, Angular, VueJS, KnockoutJS) Experience using AI chat tools (ChatGPT, Claude, Gemini, etc.) for research, debugging, and learning Familiarity with at least one AI coding assistant (GitHub Copilot, Cursor, Claude Code, or similar) Ability to write clear, contextual prompts to generate code snippets, unit tests, or documentation Awareness of AI output limitations and responsible AI use (data privacy, handling of sensitive client data) 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 Outsourcing, 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!