Senior Java Software Engineer

Full Stack Developer (Node.js + React.js) – Travel Domain

Location: Mohali

Employment Type: Full-time

Experience: 7+ years (minimum 2 years in travel domain preferred)

Position Overview

We are seeking an experienced Full Stack Developer with expertise in Node.js and React.js to design, develop, and scale secure, high-performance web applications in the travel domain. The role involves working across front end, back end, and database layers while integrating third-party travel APIs, architecting microservices, and building webhooks for real-time data flows.

Key Responsibilities

• Build responsive front-end applications with React.js, Hooks, Redux/Context.

• Develop scalable back-end services and APIs with Node.js (Express.js/Nest.js).

• Integrate external travel APIs (GDS, hotel, car, flight) and real-time webhooks.

• Design and optimize relational and NoSQL databases (PostgreSQL, MySQL, MongoDB).

• Implement caching strategies and performance tuning (Redis).

• Ensure data and application security (JWT, OAuth2, PCI, OWASP best practices).

• Write unit, integration, and end-to-end tests.

• Collaborate with cross-functional teams and mentor junior developers.

• Document technical designs, workflows, and APIs.

• Monitor and improve scalability, fault tolerance, and cost efficiency.

Required Skills

• Strong expertise in React.js (Hooks, Redux, Context API, modular UI).

• Proficiency in HTML5, CSS3, SASS/SCSS, responsive design.

• Solid hands-on Node.js with Express.js or Nest.js; REST API design (GraphQL a plus).

• Experience in microservices architecture and third-party API integrations.

• Database expertise: PostgreSQL, MySQL, MongoDB, with ORM/Query builders (Sequelize, TypeORM, Mongoose).

• Knowledge of caching, indexing, and query optimization.

• Strong understanding of data security, PCI compliance, encryption, authentication flows.

• Agile/Scrum experience, Git workflows, and code review practices.

• Familiarity with travel concepts: booking flows, PNR, GDS, fare/rate APIs, cancellations, amendments.

Good to Have

• TypeScript experience.

• CI/CD pipelines (GitHub Actions, GitLab CI/CD, Jenkins).

• Docker, Kubernetes, and cloud platforms (AWS, Azure, GCP).

• Experience with caching strategies for travel data.