Senior Full-stack Java Software Engineer (Java & Angular)

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

• Develop and maintain full-stack web applications using Java (main core), Spring Boot on the backend and Angular (TypeScript) on the frontend.
• Design and implement RESTful APIs, ensuring scalability, security, and performance.
• Participate in system design, code review, and technical discussions.
• Work with AWS cloud services to deploy and operate applications in production.
• Write unit tests and integration tests to ensure high code quality.
• Collaborate in Agile/Scrum teams with Product Owner, QA, and DevOps.
• Support and mentor junior developers.

General requirements:

• Likely having 5+ years of experience (flexible depending on how fast your learning and technical developing capabilities are).
• At least intermediate English communication (able to work with international clients).
• 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.
• Familiar with Agile development methodologies (Scrum, XP, Kanban).

Technical requirements:

• Strong experience in Java with Spring Boot, Spring Cloud, and building RESTful APIs.
• Solid knowledge of object-oriented design, design patterns, and clean code principles.
• Experience with SQL databases such as SQL Server and PostgreSQL, including writing efficient queries.
• Hands-on experience with Angular/TypeScript; understanding SPA concepts (routing, REST integration).
• Good experience in unit testing and API testing using JUnit, Mockito, Jacoco, Postman.
• Experience with Docker for building and running applications.
• Experience using Git with GitHub workflow and GitHub Actions.
• Understanding of CI/CD practices and software delivery pipelines.
• Strong focus on code quality, maintainability, reusability, and code review.

Nice to have:

• Experience with additional AWS services (API Gateway, Secrets Manager)
• Familiarity with database migration and batch/background processing (Flyway, Spring Batch)
• Knowledge of Infrastructure as Code (Terraform) and microservices architecture
• Willingness to learn new technologies and adapt to project needs

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 appraisal 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!