Back End Developer (SDE 1)

TravClan; New Delhi; On-site; INR 700,000 - 1,400,000; Full time

Job summary

TravClan in Delhi is hiring a backend engineer to design, build, and scale services for a travel tech platform. You will work on RESTful APIs and microservices, with exposure to GraphQL, relational and NoSQL databases, and caching strategies.

The role emphasizes performance, security, and collaboration with cross-functional teams. You will contribute to containerized deployments, CI/CD pipelines, and robust testing.

Qualifications

• 1–4 years of professional backend development experience.
• Strong skills in Python or Node.js and building scalable services.
• Experience with RESTful APIs; GraphQL is a plus.
• Exposure to microservices, databases and caching layers.
• Comfort with test-driven development and code reviews.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs.
• Build and optimize microservices architecture for reliability.
• Design and manage relational and NoSQL databases.
• Integrate third-party APIs and travel inventory systems.
• Write unit and integration tests with good coverage.
• Optimize performance, caching, and async processing.
• Implement messaging queues (Kafka, RabbitMQ, SQS).
• Collaborate with DevOps to containerize and deploy services.
• Participate in code reviews and architectural decisions.
• Debug production issues and improve observability.

Skills

Backend development

Python (Django/FastAPI/Flask)

Node.js (Express/NestJS)

REST API design

GraphQL

Distributed systems

Docker

Kubernetes

CI/CD

Security basics

Education

Bachelor’s degree in Computer Science or equivalent

Tools

PostgreSQL

MySQL

MongoDB

Redis

Elasticsearch

RabbitMQ

Kafka

SQS

Job description

We are B2B Travel Tech startup that is reshaping the way travel agents sell and deliver exceptional travel experiences worldwide. We enable travel agents to book flights, hotels & holidays conveniently and we provide comprehensive end-to-end on-ground travel services. We do over INR 1000 crore+ GMV (sales) and are growing rapidly.

Our strong business model and focus on delivering excellent customer experience has facilitated our sustainable growth funded by internal cashflows. To fuel innovation and growth, we have raised USD 5.5mn+ funds from marquee global investors!

What is on offer:

• Best combination of Salary, INR 7 to 14 LPA
• Work with a young & passionate team to excel and make an impact
• Work closely with the founders
• Fast Career Growth with fast appraisals and fast salary increase
• Super passionate team with deep conviction which has stayed together during covid.
• Very high ownership role in a fast-paced environment
• Great Culture -> No hierarchy/politics nonsense guaranteed!

Growth Path:

• VP/Director - 40-50 LPA
• Manager/ Tech Lead - 25-40 LPA
• APM/SDE 2 - 14-25 LPA
• Analyst/SDE 1 - 7-14 LPA

About us

The founding team has aced their respective leadership roles at successful internet startups in India, which are as follows:

• Ashish: Cofounder, leads technology, Ex CTO Cars24, CTO FabFurnish, Gaadi.
• Chirag: Cofounder, leads business, Ex Oyo, TravelTriangle, IIM Ahmedabad, IIT Roorkee.
• Shrawan: VP Engineering, 20+ yrs Tech exp, Ex CTO Millenium Entertainment, One Kosmos
• Rajesh: Director Engineering, 15+ yrs Tech exp, Ex Hike, Foodpanda

Key Responsibilities:

• Design, develop, and maintain scalable backend services and RESTful/GraphQL APIs using Python (Django/FastAPI/Flask) and Node.js (Express/NestJS).
• Build and optimize microservices architecture, ensuring high availability, performance, and fault tolerance.
• Design and manage relational and NoSQL database schemas (PostgreSQL, MySQL, MongoDB, Redis).
• Integrate third-party APIs and services (payment gateways, travel inventory/GDS systems, notification services).
• Write clean, well-tested, maintainable code with strong unit/integration test coverage.
• Optimize application performance, including query optimization, caching strategies, async processing, and load handling.
• Implement message queues and event-driven systems (Kafka, RabbitMQ, SQS) for asynchronous workflows.
• Collaborate with DevOps to containerize and deploy services (Docker, Kubernetes, CI/CD pipelines).
• Participate in code reviews, architecture discussions, and technical design decisions.
• Debug and resolve production issues, working with observability tools (logging, monitoring, tracing).
• Ensure security best practices in API design, including authentication, authorization, input validation, and data protection.

Must have technical skills -

• Strong proficiency in Python (Django, FastAPI, or Flask) or Node.js (Express/NestJS).
• Solid understanding of RESTful API design principles; experience with GraphQL is a plus.
• Experience with relational databases like MySQL/PostgreSQL and NoSQL databases such as MongoDB.
• Hands-on expertise with Redis and Elasticsearch.
• Experience with message queuing systems like RabbitMQ, Kafka, or SQS.
• Familiarity with Docker for containerization.
• Good understanding of microservices architecture and distributed systems fundamentals.
• Strong understanding of data structures, algorithms, and system design fundamentals.
• Good grasp of application security practices (OWASP basics, JWT/OAuth, input sanitization).
• Ability to write unit/integration tests (pytest, Jest, Mocha).
• Knowledge / hands-on experience of the following are added advantages:

- CI/CD pipelines using Jenkins, GitHub Actions, or GitLab CI.

- Firebase integration and usage.

- API gateway and rate-limiting strategies.

- Real-time systems (WebSockets, Socket.io).

- Cloud platforms (AWS/GCP) and serverless architectures.

Check if you fit in the role-

You Must

• Have 1-4 years of professional backend development experience.
• Enjoy working in a fast-paced environment.
• Be focussed on creating scalable systems.
• Enjoy solving problems in a structured way.
• Understand & break down complex problems into smaller tasks.
• Work closely with various stakeholders.
• Bring good understanding of caching layers (Redis, Memcached) and CDN strategies as a plus.
• Bring experience in travel-tech, fintech, or high-transaction-volume platforms as a plus.

You Want to

• Develop robust solutions for the travel ecosystem.
• Design, build and launch global products.

This role is not ideal for someone who

• Has not worked on 2-3 backend applications independently
• Lacks basic proficiency in either Python (Django) or Node.js (Express).
• Has not created any backend applications from scratch
• Is not comfortable with long working hours.
• Is not comfortable working 5 days a week from office in Delhi
• Office Location-Connaught Place, Delhi
• Work Timings - You are considering joining a startup. Building anything of value takes time.