Senior/Lead Software Engineer

Top 3 reasons to join us

• Compelling Pay and Incentives
• Well-being & Work-life Balance
• Professional Development and Recognition

Job description

Founded in 2016, Katalon is the category leader in AI-augmented software testing, empowering hybrid testers—those blending manual, automation, and AI skills—to deliver exceptional digital experiences. Katalon enables 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 across 80+ countries, many of which are in the Fortune Global 500. Katalon has been named a G2 Leader in software testing for 11 consecutive quarters and a Great Place to Work for three consecutive years.

Job Summary:

We are seeking a Tech Lead or Senior Software Engineer (Fullstack Engineer) with a strong foundation in software development and hands-on experience in microservices and event-driven architecture. The ideal candidate has a product mindset, understands the bigger picture of how technology drives business value, and can adapt knowledge flexibly to solve real-world challenges.

You should be proficient in both backend and frontend technologies, with expertise in Java, Spring Boot, Quarkus, PostgreSQL, Kafka, and React. A solid understanding of unit testing, best practices, and leveraging AI-driven solutions to enhance development efficiency is essential.

Responsibilities:

• Design, develop, and maintain scalable web applications across front-end and back-end.
• Build APIs and services using Java (Quarkus, Spring Boot) and ensure integration with PostgreSQL databases.
• Develop responsive and high-performing user interfaces with React and TypeScript.
• Work with Kafka to design and implement event-driven systems.
• Containerize applications using Docker and contribute to deployment pipelines.
• Ensure application security, performance, and reliability.
• Troubleshoot, debug, and resolve issues across the stack.
• Collaborate with product managers, designers, and engineers to deliver high-quality features.
• Demonstrate a proactive attitude by identifying opportunities for improvement and driving solutions.
• Apply a product mindset by focusing on user needs and delivering business value, not just technical output.

Your skills and experience
Must-Have Qualifications

• At least 5 years of experience working on large-scale and complex projects
• Bachelor's degree in Computer Science, Software Engineering, or related field, or equivalent practical experience.
• Strong back-end development experience with Java and frameworks such as Quarkus or Spring Boot.
• Proficiency with React and TypeScript for front-end development.
• Hands-on experience with PostgreSQL.
• Practical experience with Kafka or other event-driven/messaging systems.
• Proven ability to build and consume RESTful APIs.
• Familiarity with Git and CI/CD workflows.
• Excellent problem-solving skills, with a proactive and ownership-driven approach.
• Strong communication and collaboration skills, with a product-oriented mindset.

Nice-to-Have Qualifications

• Knowledge of microservices and distributed system design.
• Experience with cloud platforms (AWS, GCP, Azure).
• Familiarity with container orchestration (Kubernetes).
• Experience with automated testing frameworks (JUnit, Jest, Cypress).
• Exposure to Agile/Scrum methodologies.

Why you'll love working here

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

• Total Remuneration: Satisfying your financial goals through competitive compensation and periodic performance bonuses.
• Well-being & Work-life Balance: Staying healthy through comprehensive health plans and generous paid leaves.
• Statutory Compliance: Labor compliance with local regulations that ensure employee security.
• Work Facilities & Accommodation: Top-notch equipment, supportive allowances, and A-class facilities.
• Diversity, Equity, Engagement, & Inclusion: Becoming part of a global team that celebrates differences, equal opportunity, and meaningful employee recognition.
• Growth & Rewards: Thriving professionally through employee enablement, a culture of trust, and rewarding performance.

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.

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