Samala Akhila
MEAN Full Stack Developer
About
Motivated and detail-oriented MEAN Full Stack Developer with 2.8 years of experience building web applications using Angular, REST API, MongoDB, and Node.js. Hands-on experience with front-end technologies like HTML, CSS, TypeScript, and Angular. Adept at working in real-time projects like YashCard, focusing on dynamic, blockchain-integrated student credentialing systems. Passionate about secure, scalable, and maintainable solutions.
Skills & Expertise (21)
Work Experience
Junior Software Engineer (MEAN Full Stack Developer)
Sapphirus System Pvt Ltd
Jun 2026 - Present
Built a Node.js (Express) middleware for issuing and verifying digital academic credentials on Ethereum and Polygon (Matic) networks using Web3.js, signed raw transactions, and Truffle-compiled smart contracts. Implemented Merkle tree–based batch anchoring of certificate transactions, reducing on-chain cost by committing a single root hash per batch while preserving per-certificate cryptographic proof of authenticity. Integrated IPFS for decentralized, content-addressed storage of certificate documents, with configurable storage backends. Developed a nonce management service to safely handle concurrent blockchain transactions from shared wallets. Integrated DigiLocker (Government of India) for pushing verified credentials to students digital lockers, with upload tracking and error-log reconciliation. Generated dynamic certificate PDFs with embedded QR codes (pdf-lib, Puppeteer, QRCode) from configurable templates, supporting regional-language rendering. Secured APIs with JWT authentication, role/permission-based access control, OTP flows, and RSA/AES encryption; documented endpoints with Swagger.
Junior Software Engineer (MEAN Full Stack Developer)
Sapphirus System Pvt Ltd
Jan 2024 - Jun 2026
Contributed to the development of Yash Card, a blockchain-based student identity and transaction management platform. Developed and maintained REST APIs for student lifecycle transactions, integrating systems such as Digital University, MKCL, Uni Suite, and Learning Chain. Built dynamic and secure backend modules using Node.js, MongoDB, and REST APIs. Designed and developed responsive and user-friendly UI components using HTML, CSS, TypeScript, and Angular. Implemented role-based access control (RBAC) and workflow configurations for departments and institutions. Ensured data immutability, transparency, and secure transactions using blockchain technology. Collaborated with cross-functional teams to deliver scalable and maintainable solutions in an agile environment. Utilized AI tools like GitHub Copilot and Claude AI to assist in code generation, debugging, and improving development efficiency.
Education
MCA - Palamuru University
- 2023 · Afghanistan
B.Sc (M.P.Cs) - Mahathi Women’s Degree College
- 2021 · Afghanistan
Intermediate - Sai Sri Junior College
- 2018 · Afghanistan
SSC - ZPHS Girls High School
- 2016 · Afghanistan
Certifications
Microsoft Certified: Azure Fundamentals (AZ-900)
· 2025
Python Programming
Naresh IT · 2023
Java Programming
Magneq Software · 2023
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Skills (21)
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