Mobile app Software Engineer (Architecture + Backend / Frontend)

360Watts : an energy-tech startup

You will lead the development of an Energy Management mobile-first B2C app that connects solar generation, battery storage, and smart-home appliances into a unified interface — empowering users to monitor, optimise, and automate their energy usage at homes. The product vision spans from AI-integrated control (phase 1) and will transition to AI-native agents (phase 2).

Roles & Responsibilities

We look for an experienced Software Lead who will own the overall mobile app / system architecture, backend development, data and cloud infrastructure of the product. You’ll work closely with our IoT, ML and solar engineers, as well as an UI / UX designer to bring the final product to market.

This is a high-ownership, builder-first role with strong potential to grow into AI-Software Lead.

1) System architecture

Design the software architecture of the EMS backend, data & cloud infrastructure, and API ecosystem

Define modular components for IoT device sync, ML model inference, mobile interfaces, and control logic

Ensure scalability, security, and maintainability across backend and API layers

Own architectural decisions as the product evolves from AI-integrated to AI-native agentic application

2) Backend development + Cloud :

Design, implement and maintain cloud-based backend systems using Python (FastAPI) or Node.js (NestJS preferred)

Build modular, secure REST APIs for real-time data ingestion, device control, alerts, and AI model integration

Design time-series data schema and store telemetry data using PostgreSQL / TimescaleDB

Deploy containerised services (Docker) and CI / CD pipelines to AWS or GCP

Handle role-based access, API observability, logs, uptime metrics, and system scaling

2) Additional :

Build or contribute to React Native mobile app (ideal if you have mobile frontend experience)

Help develop web-based internal tools or dashboards (React / Next.js)

Experience & Skillsets required

2–3 years experience in full-stack or backend software development

At least 1 production-ready product or 2-3 MVP delivered to end users — SaaS or mobile app

Prior lead or support role in system design or architecture for a SaaS / mobile / IoT product

Experience in backend development with Python (FastAPI) or Node.js / NestJS

Experience designing and managing PostgreSQL databases with telemetry or analytics data

Experience with API versioning, CI / CD, Docker, and cloud deployment (AWS / GCP)

Exposure to ML model integration (serving endpoints, forecasting APIs, etc.)

Experience working in small, fast-moving teams (startup or lean product development teams)

Job details

Location : Coimbatore (100% On-site)

Start Date : 01.12.2025 or later

Compensation : Negotiable based on experience & skillsets

Share your GitHub / portfolio with relevant projects (especially mobile, ML, or API integrations) - highly preferred !!

Apply on or before 15.11.2025