Job Summary

GradeBuzz is seeking a highly skilled and performance-driven Remote Backend Developer specializing in Node.js and Express to lead our API scaling initiatives. This role is ideal for a backend expert who thrives in high-traffic environments and is passionate about building robust, scalable, and secure systems. As an API Scaling Lead, you will play a critical role in optimizing backend architecture, ensuring system reliability, and supporting rapid product growth.

Key Responsibilities

Design, develop, and maintain scalable RESTful APIs using Node.js and Express.

Lead API optimization initiatives to handle high concurrency and large-scale traffic.

Architect and implement microservices-based backend systems.

Monitor system performance, troubleshoot bottlenecks, and improve response times.

Collaborate with frontend developers, DevOps, and product teams for seamless integration.

Implement caching strategies (Redis/Memcached) to improve performance.

Ensure security best practices in API development (authentication, authorization, data protection).

Write clean, maintainable, and well-documented code.

Conduct code reviews and mentor junior developers.

Integrate third-party services and manage database interactions efficiently.

Required Skills and Qualifications

Strong proficiency in Node.js and Express.js framework.

Solid understanding of REST API design principles and best practices.

Experience with databases such as MongoDB, PostgreSQL, or MySQL.

Familiarity with microservices architecture and distributed systems.

Knowledge of caching mechanisms (Redis preferred).

Understanding of cloud platforms like AWS, GCP, or Azure.

Experience with version control systems (Git).

Strong problem-solving and analytical skills.

Excellent communication and collaboration abilities.

Experience

Minimum 3–6 years of experience in backend development.

Proven experience in scaling APIs for high-traffic applications.

Prior experience in a lead or senior backend role is highly preferred.

Experience working in remote or distributed teams is an advantage.

Working Hours

Fully remote position with flexible working hours.

Expected overlap with core team hours for collaboration (IST-friendly).

Outcome-driven work culture rather than strict time tracking.

Knowledge, Skills, and Abilities

Deep understanding of asynchronous programming and event-driven architecture.

Ability to design fault-tolerant and highly available systems.

Strong debugging and performance tuning capabilities.

Familiarity with CI/CD pipelines and DevOps practices.

Ability to work independently and manage multiple priorities.

Strong ownership mindset and leadership qualities.

Benefits

Competitive salary package.

100% remote work flexibility.

Opportunity to lead critical backend infrastructure projects.

Learning and development support (courses, certifications).

Collaborative and growth-oriented team environment.

Performance-based bonuses and incentives.

Why Join GradeBuzz?

At GradeBuzz, we are building scalable digital platforms that impact thousands of users daily. You will have the opportunity to work on cutting-edge backend systems, take ownership of high-impact projects, and grow into a technical leadership role. We value innovation, autonomy, and continuous learning, making it an ideal place for ambitious developers.

How to Apply

Interested candidates can apply by submitting their updated resume along with:

A brief cover letter highlighting relevant experience in API scaling.

Links to GitHub, portfolio, or past projects (if available).

Shortlisted candidates will be contacted for a technical interview and system design discussion.