Job description

Backend Developer job description

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.

Reviewed 26 July 2026 · one of 119 role templates · how OnJob writes and checks these

Also known as: Back-end Engineer, Server-side Developer, API Developer.

Experience 0–8 yrs Typical pay typically ₹4L–₹24L/yr 9 core skills

What does a Backend Developer do?

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.

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Backend Developer job description template

Copy the 8 responsibilities, 5 requirements and 9 skills below into your job post, then edit the parts that are specific to your company — pay band, location and reporting line.

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What are a Backend Developer's key responsibilities?

A backend developer is typically responsible for the 8 duties below, which cover the day-to-day work most employers expect the role to own outright. Paste them into your job post as they are, or cut the ones another team already handles — a responsibility list that claims work the hire will not actually do is the fastest way to lose a candidate at offer stage:

  • 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

What qualifications does a Backend Developer need?

Employers hiring a backend developer in India usually ask for the 5 qualifications below, typically alongside 0–8 yrs of experience. Keep only the ones you will genuinely screen on: every extra must-have narrows the pool, and in the Indian market a long mandatory list filters out strong candidates whose background simply reads differently on paper:

  • 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

What skills should a Backend Developer have?

These are the 9 skills employers name most often on live backend developer listings in India. Treat the first few as the ones worth screening for directly and the rest as signals a candidate can pick up on the job — asking for all of them at once is what turns a reasonable role into an unfillable one:

Node.js / Java / PythonSQL & NoSQL databasesREST & GraphQL APIsSystem designAuthentication & securityCaching (Redis)DockerMessage queuesGit

Listing the three or four skills you genuinely screen on — rather than all 9 — is what keeps a backend developer posting from filtering out candidates who could do the job.

What does a Backend Developer earn in India?

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?

Backend developers in India typically start at ₹4L–₹8L per year as freshers, move to ₹10L–₹18L at mid-level, and reach ₹20L+ as senior backend engineers at product companies. System-design depth, strong SQL alongside at least one NoSQL store, and hands-on work with Redis caching, Docker and message queues are what usually lift someone into the higher bands across a 0–8 year window.

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