Senior Software Engineer, Core Team (Java, React, Microservices)

Founded in 2016, Katalon is the leading provider of a modern, comprehensive quality management platform. Katalon Platform enables quality assurance, DevOps, and software teams of any size to deliver world-class customer experiences faster, easier, and more efficiently.

Since its first launch, Katalon has experienced tremendous growth, serving more than 30,000 teams around the globe, many of which are in the Fortune Global 500, such as PwC, KPMG, Abbott, etc. Katalon is recognized as a top automation tool by prestigious review sites, such as G2, Gartner, Capterra, and IT Central Station.

Job Summary

We are looking for a Senior Software Engineer with deep expertise in full-stack development, microservices, and event-driven architecture. You should have a strong product mindset, understanding how technology drives business value, and the ability to make pragmatic technical decisions in complex environments.

Responsibilities

• Design, develop, and optimize scalable microservices and event-driven systems aligned with business needs.
• Build high-performance, secure APIs and backend services using Java, Spring Boot, and Quarkus.
• Implement efficient data storage solutions with PostgreSQL and optimize database performance.
• Develop real-time event-driven applications with Kafka.
• Create intuitive, responsive user interfaces with React.
• Ensure high code quality through unit testing, best practices, and performance tuning.
• Troubleshoot and debug full-stack issues efficiently.
• Leverage AI-driven solutions to improve development efficiency.
• Work closely with cross-functional teams to define, design, and deliver impactful features.
• Drive technical excellence, mentor engineers, and contribute to best practices

• 5+ years of experience in software development, with expertise in full-stack engineering.
• Strong computer science fundamentals (data structures, algorithms, system design).
• Proven experience with microservices and event-driven architecture.
• Expertise in Java, Spring Boot, and Quarkus.
• Hands-on experience with PostgreSQL and database optimization.
• Proficiency in Kafka for real-time event processing.
• Solid experience with React for frontend development.
• Strong unit testing and CI/CD knowledge.
• Familiarity with cloud platforms (AWS), containerization (Docker, Kubernetes), and DevOps.
• Ability to balance technical decisions with business impact in a fast-paced environment.
• Experience mentoring junior engineers and leading technical initiatives.
• Bonus: Exposure to AI technologies and their application in software development.

At Katalon, we bring together self-starting, open-minded, and talented people while actively promoting a transparent and growth-enabling working environment. But don’t just take our word for it. Take a better look below!

• Competitive Pay & Bonuses: We believe in rewarding great work! You'll receive an attractive salary package plus performance bonuses to help you meet your financial goals.
• Your Health & Happiness Matter: Take care of yourself with our comprehensive health coverage, flexible work options, and generous time off. We understand that life happens outside of work too!
• Location-Tailored Benefits: Enjoy a complete benefits package designed specifically for your country, giving you the best coverage where you live.
• Everything You Need to Succeed: Work with top-of-the-line equipment and enjoy modern facilities, plus helpful allowances to support your work setup.
• A Place Where You Belong: Join our worldwide family where we celebrate what makes each of us unique. Here, everyone has a voice and equal opportunities to shine.
• Room to Grow & Thrive: Your success is our success! We foster a trust-based culture where you can develop your skills, take on new challenges, and be recognized for your achievements.

Katalon is proud to be an equal-opportunity employer. We care about our people and celebrate our differences. We want to work with talented, collaborative, and innovative people. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other characteristics protected by law.