Full Stack Tech Lead

• Full Stack Tech Lead with 10+ years of experience in building and owning scalable web applications. The ideal candidate has strong hands-on expertise in Java, Spring Boot, ReactJS, JavaScript, Oracle, RESTful APIs, AWS, CI/CD, and cloud-native deployments, along with proven experience leading and mentoring a team of 3-5 engineers.

Responsibilities

• Backend Development: Design and build robust RESTful APIs and business logic using Java, Spring Boot, and related frameworks.
• Frontend Development: Develop responsive and dynamic user interfaces using ReactJS, JavaScript, HTML5, and CSS3.
• Database Management: Design and optimize Oracle database schemas and SQL queries for performance and scalability.
• Architecture: Own scalable, secure, maintainable, and high-performance full-stack application architecture.
• Testing & Code Quality: Drive testing, participate in code reviews, and optimize end-to-end application performance.
• CI/CD & Deployment: Support CI/CD pipelines, AWS services, and containerized application deployments.
• Collaboration: Work closely with developers, QAs, designers, and other stakeholders to deliver high-quality features.
• Team Leadership: Lead and mentor a team of 3-5 junior engineers by assigning work, reviewing code, and providing technical guidance.
• Technical Leadership: Drive engineering standards, design discussions, technical planning, and continuous improvement initiatives.
• Documentation & Support: Maintain technical documentation and contribute to ongoing application enhancements and production support.

Key Qualifications

• Education: Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related technical field.
• Experience: 10+ years of strong hands-on software engineering experience, including experience in a Tech Lead or equivalent leadership role.
• Java & Spring Expertise: Strong hands-on experience with Java, Spring Boot, Spring Framework, and enterprise application architecture.
• Frontend Expertise: Proficiency in ReactJS and modern JavaScript, with experience building responsive and dynamic user interfaces.
• Database Proficiency: Strong SQL skills with hands-on experience in Oracle database design, query optimization, and performance tuning.
• API Development: Strong experience designing, consuming, and integrating RESTful APIs with a solid understanding of HTTP and API design principles.
• Asynchronous Processing: Experience with asynchronous processing, batch jobs, and reliable background or retry workflows.
• Cloud & DevOps: Exposure to AWS, CI/CD pipelines, and cloud-native deployment practices.
• Testing: Experience with testing frameworks such as JUnit, Mockito, Jest, Cypress, or React Testing Library.
• Architecture & Security: Strong understanding of scalable system architecture, application security, and software development best practices.
• Leadership: Proven experience mentoring and leading engineers, including responsibility for a team of 3-5 members.
• Communication: Strong problem-solving, communication, and collaboration skills with a proactive approach.
• Nice to Have
• AI-Assisted Development: Experience with AI-assisted development tools such as Cursor, Claude, or similar platforms.
• Frontend Technologies: Experience with TypeScript and modern frontend development practices.
• Cloud & DevOps: Experience with AWS S3, CloudFront, Jenkins, CI/CD practices, and containerization.
• Automation Testing: Experience using Playwright for automation testing.
• Payments & FinTech: Experience in the payments or FinTech domain, including checkout, tokenization, 3-D Secure, settlement, or similar areas.
• Japanese Language: Japanese language proficiency is a plus.
• Global Collaboration: Experience working with distributed or multicultural teams.

Preferred

• Experience working in globally distributed or multicultural teams.
• Experience leading and mentoring junior engineers in a production environment.

Education

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or equivalent relevant field

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