Software Engineer - Golang

KJBN Labs; Bengaluru; On-site; INR 1,000,000 - 1,500,000; Full time

Job summary

A technology company in Bengaluru is seeking a Senior Software Engineer - Backend to design and maintain server-side infrastructure. The role requires 3+ years of experience in backend development, strong skills in Golang or Python, and expertise in APIs and SQL optimization. Responsibilities include collaboration with teams, performance optimization, and ensuring the security of backend systems. The position offers a chance to work on innovative projects in a thriving tech environment.

Qualifications

• 3+ years of backend development experience in a SaaS or startup environment.
• Strong proficiency in Golang or Python programming.
• Expertise in RESTful APIs and SQL query optimization.

Responsibilities

• Design scalable backend services and APIs.
• Write clean and efficient code.
• Optimize performance and security of backend systems.

Skills

Backend development

Golang

Python

RESTful APIs

SQL optimization

Cloud platforms

System architecture

Troubleshooting

Job description

Senior Software Engineer - Backend

A Senior Software Backend Engineer is responsible for designing, building, and maintaining the server-side logic and infrastructure of web applications or software systems. They typically work closely with frontend engineers, DevOps teams, and other stakeholders to ensure that the back‑end services perform optimally and meet business requirements.

Key Responsibilities

1. System Architecture & Design
   • Design scalable, high‑performance backend services and APIs.
   • Participate in the planning, design, and development of new features.
   • Ensure that systems are designed with fault tolerance, security, and scalability in mind.
2. Development & Implementation
   • Write clean, maintainable, and efficient code.
   • Implement server‑side logic, databases, and data storage solutions.
   • Work with technologies like REST, GraphQL, and other backend communication methods.
   • Design and optimize database schemas, queries, and indexes.
3. Performance Optimization
   • Diagnose and fix performance bottlenecks.
   • Optimize backend processes and database queries for speed and efficiency.
   • Implement caching strategies and load balancing.
4. Security
   • Ensure the security of the backend systems by implementing secure coding practices.
   • Protect against common security threats such as SQL injection, cross‑site scripting (XSS), and others.
5. Collaboration & Leadership
   • Collaborate with frontend teams, product managers, and DevOps engineers.
   • Mentor junior developers and guide them in best practices.
   • Participate in code reviews and ensure that the development team follows consistent coding standards.
6. Testing & Debugging
   • Develop and run unit, integration, and performance tests to ensure code quality.
   • Troubleshoot, debug, and upgrade existing systems.
7. Monitoring & Maintenance
   • Monitor system performance and take preventive measures to ensure uptime and reliability.
   • Maintain technical documentation for reference and reporting.
   • Stay updated on emerging technologies and incorporate them into the backend tech stack.

Requirements

• 3+ years of experience in backend development, preferably in a SaaS or startup environment.
• Strong programming skills in Golang or Python.
• Proficient in building and consuming RESTful APIs and optimizing SQL queries.
• Experience with cloud platforms AWS, Azure, Google Cloud.
• Solid grasp of scalable architecture, system design, and distributed systems.
• Familiarity with unit testing, monitoring, logging, and CI/CD practices.