Senior Software Engineer - Backend

Karta; Bengaluru; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

Karta in Bengaluru, India is seeking a Senior Software Engineer - Backend to own complex backend systems powering AI agents, real-time communications, and integrations. You will shape architecture and deliver scalable services.

Ideal candidate has 6+ years, proficient in Python, Node.js or Go, and strong expertise in distributed systems, data modeling, caching, and observability. You will mentor engineers and drive production readiness.

Qualifications

• 6+ years of professional backend software experience.
• Strong proficiency in Python, Node.js, or Go.
• Experience with MongoDB, PostgreSQL, DynamoDB, Redis, and queues.
• Ability to own backend projects end-to-end from design to production.

Responsibilities

• Design, develop, and maintain scalable backend services, APIs, data models, and asynchronous workflows.
• Own backend projects end-to-end, from system design to production deployment and monitoring.
• Drive architectural decisions across databases, queues, distributed systems, and event-driven integrations.
• Improve system performance, scalability, security, reliability, and maintainability.
• Establish engineering best practices for code quality, testing, code reviews, and observability.
• Troubleshoot production issues and resolve complex technical challenges.
• Mentor engineers and contribute to technical design discussions and engineering standards.

Skills

Backend development

Distributed systems

System design

Observability

Code quality

Mentoring

Ownership

Python

Node.js

Go

Tools

MongoDB

PostgreSQL

DynamoDB

Redis

Message queues

Job description

We are looking for a Senior Software Engineer - Backend who can take ownership of complex backend systems, drive architectural decisions, and deliver reliable, scalable solutions. You will work on critical services powering AI agents, real-time communications, integrations, analytics, and enterprise workflows.

Responsibilities:

• Design, develop, and maintain scalable backend services, APIs, data models, and asynchronous workflows.
• Own backend projects end-to-end, from system design to production deployment and monitoring.
• Drive architectural decisions across databases, queues, distributed systems, and event-driven integrations.
• Improve system performance, scalability, security, reliability, and maintainability.
• Establish engineering best practices for code quality, testing, code reviews, and observability.
• Troubleshoot production issues and resolve complex technical challenges.
• Mentor engineers and contribute to technical design discussions and engineering standards.

Requirements:

• 6+ years of professional software engineering experience, with strong backend development expertise.
• Proficiency in Python, Node.js, or Go.
• Strong understanding of distributed systems, backend architecture, and system design.
• Experience with database design, caching, message queues, retries, idempotency, and failure handling.
• Hands-on experience with MongoDB, PostgreSQL, DynamoDB, Redis, and message queues.
• Strong understanding of production reliability, observability, testing, and code quality.
• Experience owning backend projects from design through production.
• Ability to mentor engineers and work independently with a strong sense of ownership.

Good to Have:

• Experience with real-time systems, WebRTC, LiveKit, telephony, SIP, or streaming infrastructure.
• Experience building SaaS platforms, billing systems, observability tools, or distributed workflows.
• Exposure to production AI/LLM systems, agent orchestration, tool calling, or evaluation pipelines.
• Experience with container orchestration, serverless architectures, or infrastructure as code.
• Experience with high-volume event processing, analytics pipelines, or search infrastructure.