Role overview
A backend developer builds the server-side logic, databases and APIs that power an application behind the scenes. In India they typically work in Node.js, Java, Python or Go, designing data models, writing secure and performant endpoints, handling authentication, and making sure the system scales reliably under load while the front end and other services consume what they build.
A backend developer usually has around 0–8 yrs of experience and earns typically ₹4L–₹24L/yr in India. The day-to-day blends Node.js / Java / Python, SQL & NoSQL databases, REST & GraphQL APIs and more — this page gives you a ready-to-use backend developer job description template you can copy, plus the exact skills and salary employers expect.
Key responsibilities
A backend developer is typically responsible for:
- Design and build REST or GraphQL APIs that front ends and services consume
- Model relational and NoSQL database schemas and write efficient queries
- Implement authentication, authorization and data-security best practices
- Optimise server performance, caching and database indexing under load
- Integrate third-party services, payment gateways and message queues
- Write automated tests and set up logging, monitoring and error tracking
- Handle background jobs, cron tasks and asynchronous processing
- Collaborate with frontend and DevOps teams on deployments and contracts
Requirements & qualifications
To succeed as a backend developer, candidates usually need:
- Proficiency in a server-side language (Node.js, Java, Python, Go or PHP)
- Strong SQL skills plus experience with at least one NoSQL store
- Understanding of API design, HTTP, authentication and caching
- Familiarity with cloud services, containers and CI/CD pipelines
- Knowledge of system design, scalability and data-security fundamentals
Backend Developer skills
The most in-demand backend developer skills on listings today:
Not sure which of these you're missing? A free OnJob profile runs your CV against every live backend developer job and shows the exact skill gaps standing between you and a 100% match.
Typical salary & experience
Typical salary (India)
typically ₹4L–₹24L/yr
Experience range
0–8 yrs
These are typical ranges and vary by city, company and skills. For live, role-specific pay data, see the OnJob salary guide.
Backend Developer job description — FAQs
What does a backend developer do?
A backend developer builds the server-side of an application — the APIs, business logic, databases and integrations the front end relies on. Day to day that means designing endpoints, modelling data, writing queries, securing access and tuning performance.
Which language is best for backend development in India?
Node.js, Java and Python dominate Indian backend hiring. Node.js is popular at startups, Java at enterprises and product companies, and Python across data-heavy and AI products. Any one of them, paired with strong SQL and system design, is highly employable.
What is system design and why does it matter for backend roles?
System design is the skill of architecting how services, databases, caches and queues fit together so an application stays fast and reliable as it scales. It's a core interview topic for mid-level and senior backend roles in India.
How much do backend developers earn in India?
Freshers typically earn ₹4L–₹8L per year, mid-level backend developers ₹10L–₹18L, and senior backend engineers ₹20L+ at product companies. See live ranges on our salary guide.