Rajan kumar Singh

+•• ••••• •••••••••••@•••••.com

Software Developer · EDNS Solutions Pvt. Ltd. · 3.7 yrs

  • Pune
  • Open to Delhi
  • On-site

Ask about Rajan

Skills

Claimed

Mentoring and Peer CoachingInformation ResearchFirebase Platform IntegrationUI Implementation from DesignDelegation and Work AllocationAstrology Application DevelopmentChat Feature ImplementationMatching Engine DevelopmentProduct DevelopmentSocial Media Application DevelopmentStrategic PlanningSenior Engineering Leadership

Proof of Experience

Software Developer

EDNS Solutions Pvt. Ltd. · Apr 2026 – Present

  • Architected and delivered two cross-platform React Native applications (customer and beauty-professional apps) for a on-demand beauty services marketplace, shipping a single codebase to iOS and Android.
  • Built an end-to-end service booking workflow: service discovery and selection, slot/date scheduling, address management, live booking tracking, OTP-based service verification, and post-service ratings and reviews.
  • Implemented cart and order management with quantity controls, persistent cart state across sessions, and product catalog APIs, supporting a seamless e-commerce experience alongside service bookings.
  • Designed the data layer using Redux Toolkit and RTK Query, integrating REST APIs for authentication, bookings, services, products, cart, orders, complaints, wallet, and user profiles with caching, request lifecycle handling, and cache invalidation.
  • Integrated Firebase Authentication, FCM push notifications, Socket.io, and a Video SDK to enable secure login, real-time booking updates, and in-app video consultations between customers and professionals.
  • Created a reusable component library with form validation, skeleton loaders, and responsive layouts, optimizing rendering performance and delivering a consistent UX across devices and screen sizes.
  • Developed Mobile Recharge, DTH Recharge, BBPS, Broadband, Bill Payment, Bus Ticket, Train Ticket, and financial service modules using React Native.
  • Integrated Recharge APIs, Operator Lookup, Recharge Offers, Payment History, Transaction Reports, and transaction-status workflows.
  • Implemented secure Biometric Authentication (Fingerprint/Face ID) and device location capabilities for secure and location-based application flows.
  • Improved application architecture, reusable components, API handling, state management, UI/UX, and overall application performance.
  • Built an SMS Reader application using the react-native-sms ecosystem to securely parse incoming banking alerts based on platform permissions.
  • Integrated Firebase Push Notifications to deliver transaction alerts, expense updates, and application notifications.
  • Extracted transaction details and automatically categorized expenses using structured data-processing logic.
  • Implemented Add Bank, SMS Sync, Sender Management, and Fetch SMS API pipelines while optimizing local data storage.
  • Used Redux Toolkit for global state management and RTK Query for efficient API requests, caching, and synchronization.

Software Developer

Equartis Technologies · Feb 2024 – Apr 2026

  • Developed a comprehensive healthcare platform enabling remote doctor consultations through kiosks and mobile devices.
  • Integrated Video SDK and Socket.io for real-time video calls and instant messaging.
  • Built a secure ABHA ID registration flow integrated with healthcare APIs, handling Aadhaar authentication and mobile OTP verification.
  • Implemented multi-stage wizard flows using Redux Toolkit.
  • Developed discovery and mutual-match functionality for a dating platform.
  • Integrated real-time location tracking for proximity-based matching.
  • Architected a MERN stack platform to streamline employee-client feedback.
  • Implemented Role-Based Access Control with separate dashboards for Superadmin, Admin, and QA roles using TypeScript and RTK Query.
  • Engineered a QR-based participant tracking system enabling hosts to verify ticket counts in online and offline environments.
  • Implemented offline persistence using Redux with background synchronization after connectivity was restored.

Software Developer

Sikaria Tech · Oct 2023 – Feb 2024

  • Developed a website for Bhartiya Adim Jati Sewak Sangh using JavaScript, Bootstrap, and PHP to support addiction recovery programs.
  • Contributed to web portals for Assets Health, Amar Resort, and Ramsan Plaza.

Frontend Developer Intern

4achivers · Dec 2022 – Aug 2023

  • Trained in frontend development using React.js and Node.js with Express and MongoDB.
  • Developed projects including a News Website, Online Code Editor, and E-commerce Platform.

Proof-of-Work

No completed sessions yet. Anything Rajan finishes shows up here with the evidence behind it.

Proof of Education

Bachelor of Engineering, Computer Science Engineering

Millennium Institute Of Technology And Science

Diploma, Computer Science

Mahamaya Polytechnic of Information Technology

Intermediate, Intermediate (Class XII) and Class X

Shri Krishan Intermediate College

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