Blockchain Engineer specializing in smart contract development and zero-knowledge cryptography. I architect and deploy production-grade Solidity contracts on Ethereum and Layer 2 networks, with proven experience optimizing gas costs and building secure, scalable dApps. My expertise spans EVM internals, protocol design, ZKP implementation, and full-stack Web3 development using Hardhat, Web3.js, and React. I've deployed systems handling 500K+ daily transactions and passed independent security audits. Master's in Computer Science (Blockchain Security) from UMass Amherst. Available for smart contract development, blockchain architecture consulting, and Web3 application development.

Sai Mahesh Sure

Blockchain Engineer specializing in smart contract development and zero-knowledge cryptography. I architect and deploy production-grade Solidity contracts on Ethereum and Layer 2 networks, with proven experience optimizing gas costs and building secure, scalable dApps. My expertise spans EVM internals, protocol design, ZKP implementation, and full-stack Web3 development using Hardhat, Web3.js, and React. I've deployed systems handling 500K+ daily transactions and passed independent security audits. Master's in Computer Science (Blockchain Security) from UMass Amherst. Available for smart contract development, blockchain architecture consulting, and Web3 application development.

Available to hire

Blockchain Engineer specializing in smart contract development and zero-knowledge cryptography. I architect and deploy production-grade Solidity contracts on Ethereum and Layer 2 networks, with proven experience optimizing gas costs and building secure, scalable dApps. My expertise spans EVM internals, protocol design, ZKP implementation, and full-stack Web3 development using Hardhat, Web3.js, and React. I’ve deployed systems handling 500K+ daily transactions and passed independent security audits. Master’s in Computer Science (Blockchain Security) from UMass Amherst. Available for smart contract development, blockchain architecture consulting, and Web3 application development.

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Experience Level

Expert
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Intermediate
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Work Experience

Senior Blockchain & XR Developer at Cognizant India
January 1, 2024 - January 1, 2024
Architected and deployed a Polygon-based blockchain supply chain tracking system, enhancing real-time traceability of farming goods and contributing to a 30% reduction in product spoilage as verified in quarterly inventory audits. Engineered a Unity3D collaboration platform supporting over 2,000 monthly users, decreasing resolution time by 25% and eliminating 45% of inbound support tickets. Developed Mixed Reality dashboards for monitoring 150+ assets, increasing utilization by 20% and enabling 35% faster maintenance response, generating $85K in annual savings.
Blockchain & AR/VR Developer at Cognizant India
February 1, 2022 - February 1, 2022
Pioneered an Ethereum/Polygon-based tracking system that improved transaction reliability to 99.8% success rate in pilot runs and cut verification time by 65%, mitigating an estimated $500K in potential annual product losses. Developed an automotive AR application that boosted customer engagement by 35% and increased showroom conversion rates by 28% across 12 distinct vehicle models. Implemented a navigation system utilizing Microsoft Dynamics 365, decreasing wayfinding time by 40% and improving satisfaction scores by 32% across multiple retail locations.
Program Analyst at Cognizant India
December 1, 2021 - December 1, 2021
Mastered full-stack development using .NET Core, SQL, and C#, ranking in the top 10% of 120 trainees and creating internal tools utilized by over 75 colleagues. Built a blockchain verification prototype that dramatically compressed document processing from 3 days down to just 10 minutes, showcasing rapid backend development capabilities.
Medi Vault — Healthcare Data Exchange Platform at Independent Project
May 1, 2024 - May 1, 2024
Developed a Polygon-based dApp for processing medical records, achieving 30% enhanced security and compliance verification validated by 3 independent auditors. Optimized smart contracts handling up to 500K+ daily transactions, reducing gas costs by 40% and accelerating confirmations from 45 to 12 seconds, demonstrating efficient backend operations.
Healthcare Security with ZKP — Patient Data Protection at Independent Project
May 1, 2025 - May 1, 2025
Implemented Zero-Knowledge Proof-based authentication for healthcare records, reducing identified breach risks by 40% during security assessments and passing all penetration tests conducted by independent auditors. Architected a sharded storage prototype for healthcare data tested up to 2TB in simulations, demonstrating 15% faster response under peak loads and stable performance with 2K+ concurrent users at 99.98% simulated uptime.
Ethereum Healthcare System at Independent Project
June 1, 2019 - June 1, 2019
Developed a blockchain system that shortened record retrieval times by 70%, achieving 99.9% data integrity verification. Earned a university innovation award for a solution that accelerated authentication by 85% and reduced verification costs by $25K annually per provider, highlighting impact in Django-like backend efficiency.
Senior Blockchain & XR Developer at Cognizant India
January 31, 2024 - January 31, 2024
Architected and deployed a Polygon-based blockchain supply chain tracking system, enhancing real-time traceability of farming goods and contributing to a 30% reduction in product spoilage as verified in quarterly inventory audits. Engineered a Unity3D collaboration platform supporting over 2,000 monthly users, decreasing resolution time by 25% and eliminating 45% of inbound support tickets. Developed Mixed Reality dashboards for monitoring 150+ assets, increasing utilization by 20% and enabling 35% faster maintenance response, generating $85K in annual savings.
Blockchain & AR/VR Developer at Cognizant India
February 28, 2022 - February 28, 2022
Pioneered an Ethereum/Polygon-based tracking system that improved transaction reliability to 99.8% success rate in pilot runs and cut verification time by 65%, mitigating an estimated $500K in potential annual product losses. Developed an automotive AR application that boosted customer engagement by 35% and increased showroom conversion rates by 28% across 12 distinct vehicle models. Implemented a navigation system utilizing Microsoft Dynamics 365, decreasing wayfinding time by 40% and improving satisfaction scores by 32% across multiple retail locations.
Program Analyst at Cognizant India
December 31, 2021 - December 31, 2021
Mastered full-stack development using .NET Core, SQL, and C#, ranking in the top 10% of 120 trainees and creating internal tools utilized by over 75 colleagues. Built a blockchain verification prototype that dramatically compressed document processing from 3 days down to just 10 minutes, showcasing rapid backend development capabilities.
Project — Medi Vault at Medi Vault (Healthcare Data Exchange Platform)
May 31, 2024 - May 31, 2024
Developed a Polygon-based dApp for processing medical records, achieving 30% enhanced security and compliance verification validated by 3 independent auditors. Optimized smart contracts handling up to 500K+ daily transactions, reducing gas costs by 40% and accelerating confirmations from 45 to 12 seconds, demonstrating efficient backend operations.
Project — Healthcare Security with ZKP at Zero Knowledge Proofs, Groth16
May 31, 2025 - May 31, 2025
Implemented Zero-Knowledge Proof-based authentication for healthcare records, reducing identified breach risks by 40% during security assessments and passing all penetration tests conducted by independent auditors. Architected a sharded storage prototype for healthcare data tested up to 2TB in simulations, demonstrating 15% faster response under peak loads and stable performance with 2K+ concurrent users at 99.98% simulated uptime.
Ethereum Healthcare System at Ethereum, Smart Contracts, Django
June 30, 2019 - June 30, 2019
Developed a blockchain system that shortened record retrieval times by 70%, achieving 99.9% data integrity verification. Earned a university innovation award for a solution that accelerated authentication by 85% and reduced verification costs by $25K annually per provider, highlighting impact in Django-like backend efficiency.

Education

Master of Science in Computer Science — Blockchain Security Specialization at University of Massachusetts Amherst
January 11, 2030 - December 1, 2025
Bachelor of Engineering in Electronics & Communication Engineering at IFET College of Engineering
January 11, 2030 - November 26, 2025
Master of Science in Computer Science — Blockchain Security Specialization at University of Massachusetts Amherst, Amherst, MA
January 11, 2030 - December 1, 2025
Bachelor of Engineering in Electronics & Communication Engineering at IFET College of Engineering, Tamil Nadu, India
January 11, 2030 - November 26, 2025

Qualifications

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Industry Experience

Software & Internet, Healthcare, Retail, Professional Services, Manufacturing, Computers & Electronics