Back End Developer

Kernel Technology Limited (Formerly Nano kernel); Bengaluru; On-site; INR 1,000,000 - 2,000,000; Full time

Job summary

Kernel Technology Limited (Formerly Nano kernel) is looking for a skilled Backend Developer in Bengaluru. You will design, build, and maintain server-side applications, APIs, and platform services. The ideal candidate has 3–7 years of backend development experience, strong proficiency in Typescript, and familiarity with modern backend languages such as Node.js or Python. Responsibilities include API development, database management, and building real-time systems with a focus on performance and scalability.

Qualifications

• 3–7 years of backend development experience.
• Strong proficiency in Typescript, HTML5, and CSS3.
• Proficiency in Node.js, Python, Java, C#, or Go.

Responsibilities

• Design and maintain scalable APIs using REST, GraphQL, and gRPC.
• Develop and optimize database schemas for performance.
• Build real-time features using WebSockets.

Skills

Typescript

Node.js

API design

WebSockets

Redis

Job description

Kernel Technology Limited (formerly Nano kernel) is a core technology company based in Bengaluru, India. Established in 1997 by a group of passionate professionals, the company specializes in providing diverse web-based IT landscape solutions. Catering to multiple industries, Kernel Technology Limited has developed expertise in delivering advanced e-commerce and technology-driven solutions. With over two decades of experience, the company is committed to innovation in the dynamic Information Technology sector.

Experience: 3–7 Years

Employment Type: Full-Time

Location Banglore

Role Overview

We are looking for a skilled Backend Developer to design, build, and maintain robust server-side applications, APIs, and core platform services powering our digital consultation platform.

The ideal candidate should have strong hands‑on coding experience and be actively involved in development. This role requires a problem‑solving mindset, ownership attitude, and the ability to build scalable, secure, and high-performance systems.

Key Responsibilities

API Development

• Design, develop, and maintain scalable APIs using REST, GraphQL, and gRPC.
• Implement secure authentication and authorization mechanisms.
• Ensure high performance, reliability, and security of APIs.
• Write clean, maintainable, and efficient code following best practices.
• Develop and manage core platform modules, including:
• User account and profile management
• Service provider onboarding and management
• Booking and session scheduling systems
• Wallet, payments, and transaction workflows
• Ensure services are scalable, modular, and easy to maintain.

Database Management

• Design, develop, and optimize database schemas.
• Write efficient queries and ensure data integrity.
• Improve performance, scalability, and reliability of database systems.

Real‑Time Systems

• Build real-time features such as messaging and notifications.
• Develop WebSocket-based communication systems.
• Ensure low latency and high availability in real-time interactions.
• Collaborate closely with Product, Frontend, and DevOps teams.
• Take end‑to‑end ownership of features from development to deployment.
• Participate in code reviews, architecture discussions, and continuous improvements.
• Proactively identify and resolve technical challenges.

Required Skills & Qualifications

• 3–7 years of strong backend development experience.
• Strong proficiency in Typescript, HTML5, and CSS3.
• Proficiency in at least one modern backend language such as Node.js, Python, Java, C#, or Go.
• Strong understanding of API design and backend architecture.
• Experience building scalable and high-performance systems.
• Strong problem‑solving and debugging skills.
• Caching: Redis
• APIs: REST, GraphQL, gRPC
• Real‑Time: WebSockets

Preferred Skills

• Experience with microservices architecture.
• Familiarity with cloud platforms (AWS, GCP, or Azure).
• Understanding of CI/CD pipelines and DevOps practices.
• Experience in product‑based companies is a plus.
• Exposure to modern AI tools (e.g., Claude, Cursor, etc.) to improve developer productivity.

What We’re Looking For

• Ownership‑driven approach with accountability for deliverables.
• Ability to work in a fast‑paced, product‑focused environment.