Build and maintain scalable Node.js backend systems, RESTful APIs, internal and third-party service integrations, and microservices. Optimize performance, troubleshoot issues, and implement caching, logging, and monitoring. Collaborate with frontend engineers, product managers, and stakeholders on architecture, code reviews, testing, documentation, and sprint planning. Deploy and manage services using Docker, Kubernetes, and cloud platforms in an agile environment.
About SolarSquare Energy:
At SolarSquare we are building the Home-Energy brand of future India. We help homes switch to rooftop solar and move away from traditional coal electricity. We are a full-stack D2C residential solar brand - designing, installing, maintaining (after-sales) and financing solar systems for home-owners across India.
In 3 years, we have scaled to become the leading residential solar brand in India. We are obsessed with quality, customer service and innovating to make it simple for homes to switch to solar. We are looking for leaders to join us in this mission.
Know us a bit better through these links:
- Techcrunch SolarSquare article
- Elevation - Podcast with SolarSquare Founders
- Startup by IIT Grads Helps Indian Homes Run on Zero Electricity, Earns Rs 200 Crore in Revenues
- The Climate Conversations ft Solar Square
- Elevation Capital - SolarSquare
Location: Mumbai
Work Arrangement: Flexible (Hybrid, Mon-Fri)
Company: SolarSquare
We are looking for a talented and experienced Backend Developer (Node.js) to join our engineering team at SolarSquare. In this role, you will be responsible for building and maintaining the backend systems that power our customer-facing applications and internal platforms. You will work closely with frontend engineers, product managers, and other stakeholders to deliver scalable, reliable, and high-performing solutions in the clean energy domain.
Design, develop, and maintain server-side applications using Node.js
Build and manage well-documented and scalable RESTful APIs
Integrate with both internal and third-party services
Collaborate with frontend developers to ensure smooth end-to-end system integration
Optimize application performance and troubleshoot issues
Follow best practices in code quality, testing, and documentation
Implement core services like caching, logging, and monitoring
Participate in code reviews, architecture discussions, and sprint planning
Deploy and manage services using Docker, Kubernetes, and cloud platforms (AWS/GCP/Azure)
Work in an agile environment and contribute proactively to team goals
Purpose-driven work in the fast-growing renewable energy sector
Flexible hybrid work arrangement
Opportunity to work on cutting-edge technologies and scalable systems
Collaborative and inclusive team culture
Competitive salary and performance-based incentives
Upskilling opportunities and access to learning resources
Chance to create meaningful impact and help accelerate India’s clean energy transition
3+ years of backend development experience, primarily using Node.js
Strong knowledge of JavaScript, SQL/NoSQL databases, and asynchronous programming
Experience with REST API design, event-driven architecture, and microservices
Hands-on with Docker, Kubernetes, and cloud platforms (AWS/GCP/Azure)
Familiarity with Test-Driven Development (TDD)
Comfortable using Git and version control tools
Excellent problem-solving, communication, and collaboration skills
SolarSquare Mumbai, Maharashtra, IND Office
Mumbai, India
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