Software Engineer

Practice by Numbers; Kolkata District; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Practice by Numbers is seeking a Software Engineer to join our engineering team in Kolkata. You will contribute to both backend and frontend features for our cloud-native SaaS platform, collaborating with senior engineers and cross-functional teams.

The role emphasizes solid programming fundamentals, quick learning, and a growth-minded culture. You will grow ownership over time and apply secure coding and testing practices to deliver reliable software.

Qualifications

• Bachelor's or Master's degree in Computer Science or related field.
• 2–5 years of software engineering experience building web or cloud apps.
• Solid fundamentals in data structures and algorithms.
• Experience with REST APIs, databases, and Git.

Responsibilities

• Develop, test, and maintain features across backend and/or frontend systems.
• Build and consume REST APIs and backend services.
• Write clean, well-tested, maintainable code.
• Fix bugs and improve performance and reliability of existing systems.
• Learn and contribute to cloud-native development and AI-enabled practices.

Skills

Strong programming fundamentals

Curiosity to learn

Problem-solving ability

Communication skills

Ownership & accountability

Education

Bachelor's or Master's in Computer Science

Tools

Python

Django / Django REST Framework

REST APIs

React.js

TypeScript

Modern JavaScript

PostgreSQL

Database Design

Query Optimization

Redis

FastAPI

Node.js

Next.js

Docker

CI/CD Pipelines

Test Automation

AWS

ETL / Data Pipelines

Databricks

Job description

Software Engineer – Engineering

Experience: 2–5 Years

Location: Kolkata, India

About Practice By Numbers

Practice by Numbers (PbN) is a fast-growing SaaS platform helping healthcare organizations leverage data, automation, patient engagement, and operational intelligence to improve business performance and patient outcomes.

We build highly scalable cloud-native products serving thousands of customers across North America.

We are looking for a Software Engineer who is eager to grow, writes clean and reliable code, and wants to build meaningful products alongside a strong engineering team.

Role Overview

As a Software Engineer, you will build and maintain features across our SaaS platform. You will work on well-scoped tasks and features, collaborate closely with senior engineers, and grow your skills in software design, cloud-native development, and modern engineering practices.

This role is a great fit for engineers who have solid programming fundamentals, are curious and quick to learn, and take pride in writing quality code. You will be supported and mentored while taking on increasing ownership over time.

Key Responsibilities

Software Engineering

• Develop, test, and maintain features across backend and/or frontend systems.


• Build and consume REST APIs and contribute to backend services.


• Write clean, readable, well-tested, and maintainable code.


• Fix bugs and help improve the performance and reliability of existing systems.


• Learn and contribute to cloud-native application development.

Technical Contribution

• Implement well-scoped features based on defined requirements and designs.


• Participate in design discussions and ask questions to deepen understanding.


• Follow established engineering standards, patterns, and best practices.


• Contribute to technical documentation for the code you build.

Quality & Operational Excellence

• Write unit and integration tests for your code.


• Participate in code reviews and act on feedback.


• Help monitor and troubleshoot issues in the features you work on.


• Follow secure coding and quality practices.

Collaboration & Growth

• Collaborate with senior engineers, product, design, and QA teams.


• Actively seek feedback and continuously improve your skills.


• Contribute to a positive, collaborative, and learning-focused team culture.

AI-Enabled Engineering

• Use modern AI tools to improve your productivity and code quality.


• Learn and apply AI-assisted development practices under team guidance.

Required Qualifications

• Bachelor's or Master's degree in Computer Science or a related discipline.


• 2–5 years of software engineering experience building web or cloud applications.


• Solid programming fundamentals and understanding of data structures and algorithms.


• Working knowledge of at least one modern backend or frontend technology stack.


• Understanding of REST APIs, databases, and version control (Git).


• Eagerness to learn, take feedback, and grow as an engineer.

Technical Expertise

Backend Technologies

• Python


• Django / Django REST Framework


• REST APIs

Frontend Technologies

• React.js


• TypeScript


• Modern JavaScript

Data & Storage

• PostgreSQL


• Database Design (fundamentals)


• Query Optimization (fundamentals)

Software Design

• Object-Oriented Design


• Design Patterns (fundamentals)


• SOLID Principles


• Secure Coding Practices

Good to Have

• Redis


• FastAPI


• Node.js


• Next.js


• Docker


• CI/CD Pipelines


• Test Automation


• AWS (S3, RDS / managed databases)


• ETL / Data Pipelines


• Databricks or similar data/analytics platforms

Preferred Qualifications

• Exposure to SaaS or multi-tenant application development.


• Exposure to healthcare technology or data-intensive applications.


• Contributions to open-source or personal technical projects.

What We Look For

• Strong programming fundamentals and a quality mindset.


• Curiosity and a strong desire to learn and grow.


• Ability to deliver well-scoped tasks reliably.


• Good problem-solving and debugging skills.


• Collaboration and communication skills.
  
• Ownership and accountability for the work you do.


• Passion for building software and continuous learning.