Full Stack Developer (3+ years of experience) - Noida

SmartHelio is a Y Combinator company (YC W22). We are a customer-focused and research-driven deep-tech startup headquartered in Lausanne, Switzerland. We are disrupting conventional energy operations and asset management by bringing AI-driven asset management workflow automation. We enable solar/clean energy companies with automated system performance analysis and decision-intelligence capabilities for smoother asset management and higher profitability. Learn more at www.smarthelio.com 

We are hiring a hands-on Full-Stack Developer to build end-to-end product features—intuitive frontends, reliable APIs, and data-intensive backends. You’ll ship production code, collaborate closely with product/design/data teams, and help us scale our platform used by global clean-energy operators.

Qualification

1. Strong with JavaScript/TypeScript and modern React (hooks), plus Node.js (Express).

2. Experience with one or more: React.Js, Next.js, Redux/Zustand, TanStack Query.

3. Data-viz (e.g., D3, Plotly, ECharts), time-series stores (Timescale/Influx/Timestream), and messaging/streaming (Kafka/SQS).

4. Backend fundamentals: API design, auth (JWT/OAuth), caching, rate-limiting, pagination, error handling, etc.

5. Databases: solid SQL (PostgreSQL/MySQL) and NoSQL (MongoDB and Redis); excellent command over schema design strategies, and query optimization.

6. Excellent knowledge of Docker, CI/CD (GitHub Actions/Jenkins) and cloud (AWS/Azure).

7. Testing in practice: Must have written unit/integration/e2e tests. Jest/Playwright/Cypress (or similar), and comfort with API & e2e test automation.

8. Proven experience of developing scalable, responsive, and highly intuitive UIs and dashboards for time-series analytics, insights visualization, reporting functionalities, and other user workflows. Demonstrate excellent front-end capabilities.

9. Strong ownership, documentation discipline, and product mindset. Must have contributed to code reviews, documentation, and engineering standards.

10. 3+ years of proven experience in developing production grade full-stack applications using the MERN stack.

Nice to have

What will we do together? 

1. Design and develop full-stack features from spec to production (UI, API, data models, tests, and observability).

2. Build responsive, accessible UIs and dashboards for time-series analytics, excellent visualization, alerts, and workflows.

3. Design and implement secure, and scalable services and REST/GraphQL APIs and maintain their documentation. 

4. Model and optimize databases (SQL/NoSQL/time-series) for performance and cost.

5. Maintain CI/CD pipelines, basic infra configs, and deployment hygiene (feature flags, rollbacks, metrics)

6. Write unit/integration/e2e tests; contribute to code reviews, documentation, and engineering standards.

7. Collaborate with product & DS teams to translate user needs into robust, scalable solutions.

Job Location

Noida/New Delhi, India. 

Compensation & Benefits

- Remuneration: A competitive remuneration with additional ESOPs. 
- Opportunity to implement and master AI/LLM/algorithms-based data-intensive advanced analytics/AI  platforms.
- Opportunity to learn and master big-data technologies.
- Opportunity to work in a conducive environment that challenges your limits and helps you in improving your capacities
- Opportunity to work with Swiss Research Institutions and closely collaborate with top global tech researchers
- Ample opportunities to learn and grow professionally. We conduct monthly professional & personal productivity workshops
- Conceptualize, write and live your own startup story with full autonomy and under brilliant mentorship
- The high degree of empathy and work-life balance.\

How to Apply

Please fill the forms:

https://forms.gle/A4YMG6RHkn87kyQQ7 & https://forms.gle/T2bSTee79N1GKxXa9