Production-grade global solar SaaS platform for solar design, proposal generation, and project management, used by 4,000+ installers across 27 countries.
Rohit Singh Rawat
Software Development Engineer | React.js, React Native & JavaScript | SaaS Product Experience | 3+ Years | Open to Work
Delhi, IndiaSoftware Development / Solar SaaS
3roles
35skills
About
Software Development Engineer with 3+ years of experience building scalable SaaS applications using React.js, Vue.js, and JavaScript.Worked on a production-grade solar platform (Arka360) for design, proposal generation, and workflow management. Built complex data-driven systems including dynamic forms, proposal workflows, and solar calculator features. Strong in API integration, state management, and performance optimization. Led UI/UX improvements across modules and contributed to ArkaGo (React Native mobile app) for field operations. Focused on building clean, scalable, and user-friendly frontend systems.
Experience
Software Development Engineer
Arka 360
3 yrs 9 mos · Bengaluru, Karnataka, India
Software Development Engineer with 3+ years of experience working on a large-scale SaaS platform in the solar domain (Arka360), focused on building scalable and data-driven user interfaces. • Developed complex proposal workflows and dynamic forms with validations and multi-step flows • Built and enhanced solar calculator system for energy estimation and report generation • Worked on data-driven UI systems with efficient state management and rendering optimization • Improved performance by reducing unnecessary API calls and optimizing frontend architecture • Led UI/UX revamp across major modules, simplifying complex workflows and improving usability • Built key features including pricing & financing, design defaults, organization & inventory, and consumption systems • Handled API integrations with proper error handling, async workflows, and loading states • Contributed to ArkaGo (React Native app) for field operations • Used AI tools to improve development speed, debugging, and implementation efficiency
Software Development Engineer
Indarka Energy Private Limited - Arka360 Platform
Aug 2022 - Apr 2026
Contributed to Arka360, a global solar SaaS platform used by 4,000+ installers across 27 countries. Built and maintained the solar calculator system, including energy-estimation UI, business logic, and automated report generation. Developed end-to-end Web Proposals workflow with dynamic forms, multi-step flows, and real-time validations using React.js and TypeScript. Built pricing and financing, design defaults and configuration, organization and inventory management, and consumption calculation modules using React.js, Redux Toolkit, and Zustand. Led UI/UX revamps using Tailwind CSS; optimized API calls, lazy loading, and rendering efficiency. Wrote Jest and React Testing Library tests; integrated REST APIs with Axios and React Query. Collaborated with 4-6 frontend engineers and contributed core UI to the ArkaGo React Native mobile app.
Intern
Indarka Energy Private Limited - Arka360 Platform
Feb 2022 - Aug 2022
Promoted from Intern to Full-Time Software Development Engineer.
Skills
Software as a Service (SaaS)JavaScriptReact.jsReact NativeTypeScriptVue.jsHTML5css3Tailwind CSSREST APIsZustandReduxGitGitHubResponsive Web DesignWeb DevelopmentJavaScript (ES6+)SASSRedux ToolkitContext APIShadcn/UIReact QueryAxiosFetch APIJestReact Testing LibraryViteESLintPrettiernpm/yarnFigmaREST API integrationComponent-based architectureState managementPerformance optimization
Projects
ArkaGo
React Native mobile app for on-site solar field operations; contributed core UI. Play Store listing has 1K+ downloads.