Software Engineer with 1+ years of experience across the full SDLC—coding, testing, debugging, and documentation—building production web applications using React.js, Node.js/Express, and REST APIs. Skilled in translating business requirements into working solutions in Agile/Scrum environments and in identifying and reporting defects with quality-focused testing and documentation. Comfortable with relational databases (PostgreSQL, MySQL) and production-grade backend performance improvements. I collaborate with cross-functional stakeholders, meet sprint deadlines, and contribute to reliability, performance, and maintainable engineering practices for multi-tier/multi-tenant SaaS applications.

Rajeshwar Singh

Software Engineer with 1+ years of experience across the full SDLC—coding, testing, debugging, and documentation—building production web applications using React.js, Node.js/Express, and REST APIs. Skilled in translating business requirements into working solutions in Agile/Scrum environments and in identifying and reporting defects with quality-focused testing and documentation. Comfortable with relational databases (PostgreSQL, MySQL) and production-grade backend performance improvements. I collaborate with cross-functional stakeholders, meet sprint deadlines, and contribute to reliability, performance, and maintainable engineering practices for multi-tier/multi-tenant SaaS applications.

Available to hire

Software Engineer with 1+ years of experience across the full SDLC—coding, testing, debugging, and documentation—building production web applications using React.js, Node.js/Express, and REST APIs. Skilled in translating business requirements into working solutions in Agile/Scrum environments and in identifying and reporting defects with quality-focused testing and documentation.

Comfortable with relational databases (PostgreSQL, MySQL) and production-grade backend performance improvements. I collaborate with cross-functional stakeholders, meet sprint deadlines, and contribute to reliability, performance, and maintainable engineering practices for multi-tier/multi-tenant SaaS applications.

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Experience Level

Expert
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Language

English
Advanced
Hindi
Fluent

Work Experience

Software Engineer — MediSetu at MediSetu
May 1, 2026 - Present
Core engineering team member building a healthcare SaaS platform for appointment booking, patient management, and laboratory operations using React.js and Node.js/Express with REST APIs. Led end-to-end development of the Lab Appointment Management module including functional testing of booking, scheduling, and patient workflows, used by 10+ laboratories across Jaipur. Identified and resolved backend performance defects through root-cause analysis, reducing API response latency from 100–200 ms to 3–5 ms and improving production reliability. Collaborated with product and business stakeholders in sprint-style workflows, documenting requirements and aligning technical solutions with real clinic operations.
Full Stack Developer at MediSetu
May 1, 2026 - Present
Built a healthcare SaaS platform for appointment booking, patient management, and laboratory operations using React.js on the front end and Node.js/Express on the back end. Led end-to-end development of the Lab Appointment Management module including test booking, scheduling, and patient workflows used by 10+ laboratories in Jaipur. Optimized backend APIs and database queries, reducing response latency from 100–200 ms to 3–5 ms and improving production reliability and performance. Collaborated with product and business stakeholders in sprint-style iterative delivery aligned to real clinic workflows.
Full Stack Developer at Kuchoriya TechSoft
January 1, 2026 - May 1, 2026
Designed a multi-tenant, distributed SaaS architecture with isolated per-company databases for a CRM platform. Built and maintained 30+ REST APIs (Node.js/Express) with JWT authentication and RBAC across 5+ user roles, applying secure and testable engineering practices. Integrated HLS (m3u8) adaptive video streaming with AWS S3 for large media files (5GB+) with optimized playback across devices.
Freelance Full-Stack Developer at Self-Employed
August 1, 2024 - Present
Designed, built, and deployed end-to-end websites for independent clients alongside full-time work. Delivered animated front-end experiences using GSAP, Framer Motion, and Three.js. Worked across varied backend/CMS stacks including Django, Flask, PHP, and Shopify, adapting the stack to each client's needs and budget. Client examples include legacy sites such as marble.com and skill-tyro.com.
MERN Developer at Bharg IT Solutions
January 1, 2024 - June 1, 2024
Developed and scaled a real-time betting platform front end using React.js and Redux to support high concurrent users during live events. Implemented React Query for server-state management, caching, and background sync to improve data fetching efficiency and UI responsiveness. Reduced cumulative layout shift (CLS) and improved page-load performance through prefetching and efficient API consumption patterns.

Education

Master of Computer Applications (MCA) at JECRC University, Jaipur
August 1, 2024 - July 1, 2026
Bachelor of Computer Applications (BCA) at JECRC University, Jaipur
August 1, 2021 - July 1, 2024

Qualifications

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Industry Experience

Software & Internet, Education, Healthcare
    Legacy Marble

    A minimalist website for a marble owner based in Makrana,
    Created in Next.js and GSAP with smooth User Experience, and minimal animation, with good SEO ranking, from 1 to 5 in google.