Back End Developer

Calsoft Japan; Bengaluru; Hybrid; INR 800,000 - 1,600,000; Full time

Job summary

Calsoft Japan in Bengaluru seeks a software engineer to design, develop, and enhance UI workflows and backend services for cloud-native applications. You will build responsive interfaces and scalable microservices using Python, Go, or Node.js, and contribute to RESTful APIs and distributed systems.

Collaborate with architects, DevOps, QA, and product teams to boost performance, reliability, and operational efficiency.

Qualifications

• 3–6 years of professional software development experience.
• Strong programming skills in Python, Golang, or Node.js.
• Hands on experience in MongoDB.
• Good understanding of microservices architecture, REST APIs, databases, and distributed systems.
• Working knowledge of Linux, containers, Docker, and Kubernetes environments.
• Familiarity with software development best practices including code reviews, unit testing, and debugging.
• Strong analytical, problem-solving, and communication skills.
• Ability to work effectively in Agile and collaborative engineering environments.

Responsibilities

• Design, develop, and enhance both UI workflows and backend services for cloud-native applications.
• Build responsive, intuitive, and user-friendly interfaces.
• Develop scalable microservices and REST-based backend services using Python, Go, or Node.js.
• Participate in system design discussions, code reviews, debugging and troubleshooting.
• Write clean, maintainable, secure and production-quality code following engineering best practices.
• Collaborate closely with cross-functional engineering teams including architects, DevOps, QA, and product teams.
• Improve platform performance, reliability, scalability, and operational efficiency.
• Leverage AI-assisted development approaches and modern engineering tools to accelerate development and productivity.

Skills

Python

Golang

Node.js

MongoDB

Microservices

REST APIs

Distributed systems

Linux

Docker

Kubernetes

Code reviews

Unit testing

Debugging

Agile

Communication

Teamwork

Tools

Docker

Kubernetes

Job description

Responsibilities

• Design, develop, and enhance both UI workflows and backend services for cloud-native applications
• Build responsive, intuitive, and user-friendly interfaces
• Develop scalable microservices and REST-based backend services using Python, Go, or Node.js
• Participate in system design discussions, code reviews, debugging and troubleshooting
• Write clean, maintainable, secure and production-quality code following engineering best practices
• Collaborate closely with cross-functional engineering teams including architects, DevOps, QA, and product teams
• Improve platform performance, reliability, scalability, and operational efficiency
• Leverage AI-assisted development approaches and modern engineering tools to accelerate development and productivity

Requirements

• 3- 6 years of professional software development experience
• Strong programming skills in Python, Golang, or Node.js
• Hands on experience in mongoDB
• Good understanding of microservices architecture, REST APIs, databases, and distributed systems
• Working knowledge of Linux, containers, Docker, and Kubernetes environments
• Familiarity with software development best practices including code reviews, unit testing, and debugging
• Strong analytical, problem-solving, and communication skills
• Ability to work effectively in Agile and collaborative engineering environments

Good to Have

• Experience with GitHub Copilot or AI-assisted software development tools
• Exposure to performance optimization, scalability, and reliability engineering
• Working knowledge of cloud platforms and Kubernetes-based deployments