How to Get Into Role of Backend Developer - Roadmap

Essential Tips and Strategies for Excelling in Your Senior Backend Developer Interview

If you are a backend developer and looking for upgrading your career with next job role as senior majorly in backend development then this article can help you.

Backend Developer Ecosystem

Dev Criteria

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• Fresher : College pass-out or candidate with no experience.

• Junior Dev : Candidate with 2 Years of experience

• Mid Level Dev : Candidate with 2-5 years of experience

• Senior Dev: 5+ experience

• Staff Engineer : 8+ experience

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Let’s try to understand the above picture in depth below.

Journey of backend development starts with fundaments of Development.

Fundamentals of Development

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• Fundamentals of GIT

• Strong Understanding of Core Language

  • It could be anything of your choice for example

    • JAVA

    • Python

    • NodeJS

    • Go

      • Basics of Language

      • Understanding of Collections in Language.

      • OOPs

      • Threading if present

      • Memory level understanding of Language

• Design Patterns and SOLID

• Understanding of Few Database structures

  • Don’t go so hard on it but at least basics of DS

    • Stack, Queue, Heap, Map, Tree and etc.

• Fundamentals of Database

  • Basics

  • Normalisation

  • different Commands

    • Including Joins

  • Understanding of SQL vs NoSQL databases.

  • Any one SQL database in Depth for example - Postgres

• Basic Understanding of Networking

  • TCP/IP Model

  • Communication Protocols

Once you are done with all these concepts now you can move on to some frameworks.

Framework Based Software Development

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• Any Framework based on selected core language that is frequently being used across organisations like

  • JAVA

    • Spring Boot

  • Python

    • Flask, FastAPI

  • NodeJS

    • ExpressJS

  • Go

    • Gin

• No matter, whatever framework you select, you should be know these below things with a framework.

  • Database Integration

  • Database Migration

  • Calling Other Services

  • Managing Configurations

  • Tracing and Logging

  • Debugging Application

  • Implementing Security

  • Dockerizing Application

  • Implementing Caching

  • Implementing Async Jobs

  • Implementing Event Driven Systems

Once you are done with this, now you are ready enough to deploy and ship your applications, so now what are the topics that we can understand to get into dev Ops for developers.

DevOps for Backend Development

• Understanding of Release Cycle

  • CICD

    • Understanding and working

    • Build Tool like Jenkins and on any preferred Cloud

  • Docker

  • Kubernetes

  • Helm

• Adopting Cloud

  • Azure

  • AWS

  • GCP

System Design Practices

• Fundamental building blocks

  • Loadbalancer

  • DNS

  • Caching Strategies

  • Distributed Caching

  • API Gateway

  • Replication Strategies

  • CDN

  • ACID

  • Coordination Systems — Zookeeper

  • Internal Design of Cassandra and MongoDB

  • and etc a long list comes here

• Understanding of few system design of Architectures

  • Rate limiting Design

  • Key Value Store Design

  • News Feed Design

  • Quora Design and etc

  • Some Cloud Architectures

    • Server less based architectures

    • Few Scalable Architectures

If you are able to cover this much, then I am sure you are at the position of senior backend developer.

Along with this technical knowledge, one candidate should have other skills as well that I have mentioned in light green boxes.

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