Megthink - Full Stack Technical Lead - Java/React.js

Description :

Job Summary :

We are seeking a seasoned Full Stack Tech Lead with deep expertise in Java (Spring Boot) and React.js, who has previously worked on Airline APIs, payment gateway integrations, and scalable B2B platforms. This is a leadership role responsible for architecting robust systems, guiding the team, and delivering high-performance applications in a containerized (AWS) environment.

Key Responsibilities :

- Lead the design and development of end-to-end scalable full-stack applications in the airline booking domain.

- Work hands-on with Java (Spring Boot) for backend services and React.js for the frontend.

- Work with MySQL 8.4 / Aurora, design schemas, and optimize queries.

- Architect and implement RESTful APIs for supplier (GDS/NDC/LCC) integrations and internal consumption.

- Integrate and manage Redis for session and token management.

- Implement secure and optimized payment gateway integrations.

- Collaborate with Product Owners, Business Analysts, and QAs to understand business requirements and translate them into technical solutions.

- Optimize applications for performance, scalability, and security in container-based (Docker) environments.

- Drive code reviews, enforce best practices, and mentor junior developers.

- Coordinate with DevOps for CI/CD and AWS-based deployments.

Tech Stack You'll Work With :

Backend :

- Java 21 (OpenJDK), Spring Boot, MySQL 8.4, Aurora RDS

Frontend :

- React v19, Bootstrap 4.1.3, jQuery 3.3.1, Owl Carousel, Select2

Tools :

- Eclipse, VS Code, Postman, WinSCP

API :

- RESTful services, third-party integrations (GDS, LCC, Payment APIs)

Required Skills & Experience :

- 6 to 10 years of full-stack development experience.

- Proven leadership experience as Team Lead or Tech Lead for at least 2+ years.

- Expertise in Java (8 or above), Spring Boot, and related frameworks.

- Hands-on experience in React.js with Redux/Context API.

- Strong understanding of Airline APIs (GDS/NDC/LCCs like Amadeus, Sabre, Travelport, etc.).

- Proficient with Redis, JWT/OAuth tokens, and session management.

- Deep experience in payment gateway integrations (Razorpay, Stripe, Cybersource, etc.).

- Good command over RESTful API design, versioning, throttling, and security.

- Understanding of Docker, AWS ECS/Fargate, and CI/CD pipelines.

- Familiar with MySQL, PostgreSQL, or other RDBMS.