Senior Software Developer

Elementsenergies; Chennai District; On-site; INR 800,000 - 1,400,000; Full time

Job summary

Elementsenergies is seeking a Senior Software Engineer Intern to join our engineering team in Chennai, aiming to design, build, and scale a production-grade energy intelligence platform. You will work across full-stack development, from modern frontend interfaces with React.js/Next.js to robust backend services using Node.js/Express.js.

You’ll deploy on AWS, configure production servers, and collaborate with engineers to ensure reliability, performance, and scalability in live environments.

Qualifications

• Strong experience with React.js and Next.js.
• Proficiency in Node.js and Express.js.
• Experience building and integrating RESTful APIs.
• Good understanding of JWT authentication, OAuth flows, session management, and authorization systems.
• Experience deploying applications on AWS.
• Familiarity with NGINX, Cloudflare, and production server configurations.
• Strong Linux and command-line experience.
• Proficiency with Git and collaborative development workflows.
• Experience with SQL and/or NoSQL databases.

Responsibilities

• Design, build, and maintain scalable full-stack web applications.
• Develop modern frontend interfaces using React.js and Next.js.
• Build backend APIs and services using Node.js and Express.js.
• Design and integrate RESTful APIs between frontend and backend systems.
• Implement secure authentication and authorization workflows.
• Deploy and maintain applications on AWS cloud infrastructure.
• Configure and manage NGINX, Cloudflare, and production web servers.
• Work with Linux-based environments and server-side operations.
• Collaborate using Git-based workflows and engineering best practices.
• Optimize application performance, reliability, and scalability.
• Debug and resolve production issues efficiently.
• Contribute to architecture discussions and engineering improvements.

Skills

React.js

Next.js

Node.js

Express.js

JWT auth

OAuth flows

AWS

NGINX

Cloudflare

Linux

Git workflows

SQL/NoSQL

Tools

AWS

NGINX

Job description

About the Role

We are looking for a highly capable and driven Senior Software Engineer Intern to join our engineering team in building and scaling a production-grade energy intelligence platform. This role is ideal for someone who enjoys solving real-world engineering challenges, working across the full stack, and deploying reliable systems in live production environments.

You will work closely with our core engineering team on modern web applications, backend systems, cloud infrastructure, and platform scalability initiatives powering next-generation energy and AI-driven solutions.

Key Responsibilities

• Design, build, and maintain scalable full-stack web applications
• Develop modern frontend interfaces using React.js and Next.js
• Build backend APIs and services using Node.js and Express.js
• Design and integrate RESTful APIs between frontend and backend systems
• Implement secure authentication and authorization workflows
• Deploy and maintain applications on AWS cloud infrastructure
• Configure and manage NGINX, Cloudflare, and production web servers
• Work with Linux-based environments and server-side operations
• Collaborate using Git-based workflows and engineering best practices
• Optimize application performance, reliability, and scalability
• Debug and resolve production issues efficiently
• Contribute to architecture discussions and engineering improvements

Must Have Skills

• Strong experience with React.js and Next.js
• Proficiency in Node.js and Express.js
• Experience building and integrating RESTful APIs
• Good understanding of JWT authentication, OAuth flows, session management, and authorization systems
• Experience deploying applications on AWS
• Familiarity with NGINX, Cloudflare, and production server configurations
• Strong Linux and command-line experience
• Proficiency with Git and collaborative development workflows
• Experience with SQL and/or NoSQL databases

Preferred Qualifications

• Experience building scalable production systems
• Understanding of distributed systems and software architecture
• Knowledge of web application security best practices
• Familiarity with CI/CD pipelines and DevOps workflows
• Experience handling live production debugging and monitoring
• Exposure to infrastructure automation and cloud monitoring tools

What You’ll Gain

• Hands-on experience working on real production systems
• Exposure to cloud infrastructure and scalable architectures
• Opportunity to work on AI-driven energy technology solutions
• Fast-paced startup environment with high ownership
• Mentorship from experienced engineers and founders
• Opportunity to contribute directly to impactful products

Who Should Apply

• Passionate about full-stack engineering and scalable systems
• Comfortable taking ownership of technical challenges
• Interested in cloud infrastructure and production deployments
• Eager to work in a startup environment with rapid execution
• Strong problem-solvers with a builder mindset