I am a Senior Software Engineer and Product Architect with over 9 years of experience designing and building scalable backend and blockchain systems, primarily for early-stage startups. I have a proven track record of developing MVPs and architecting complex systems from scratch, delivering fast execution while being self-directed in dynamic environments. I combine deep engineering expertise with product thinking to create impactful systems from the ground up. I am quick to adopt new technologies with a go-getter mindset and thrive in leading engineering teams and collaborating cross-functionally. My technical versatility spans programming languages, backend and API design, blockchain development, data engineering, cloud infrastructure, and architecture leadership. I am passionate about building reliable, secure, and scalable systems that solve real-world problems in innovative ways.

Viv Ek An An Than

I am a Senior Software Engineer and Product Architect with over 9 years of experience designing and building scalable backend and blockchain systems, primarily for early-stage startups. I have a proven track record of developing MVPs and architecting complex systems from scratch, delivering fast execution while being self-directed in dynamic environments. I combine deep engineering expertise with product thinking to create impactful systems from the ground up. I am quick to adopt new technologies with a go-getter mindset and thrive in leading engineering teams and collaborating cross-functionally. My technical versatility spans programming languages, backend and API design, blockchain development, data engineering, cloud infrastructure, and architecture leadership. I am passionate about building reliable, secure, and scalable systems that solve real-world problems in innovative ways.

Available to hire

I am a Senior Software Engineer and Product Architect with over 9 years of experience designing and building scalable backend and blockchain systems, primarily for early-stage startups. I have a proven track record of developing MVPs and architecting complex systems from scratch, delivering fast execution while being self-directed in dynamic environments. I combine deep engineering expertise with product thinking to create impactful systems from the ground up.

I am quick to adopt new technologies with a go-getter mindset and thrive in leading engineering teams and collaborating cross-functionally. My technical versatility spans programming languages, backend and API design, blockchain development, data engineering, cloud infrastructure, and architecture leadership. I am passionate about building reliable, secure, and scalable systems that solve real-world problems in innovative ways.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Work Experience

Senior Software Engineer at Jiritsu Network
July 1, 2025 - August 5, 2025
Developed and deployed secure, upgradeable EVM smart contracts using Solidity on Ethereum, Avalanche, and BNB Chain with design patterns like UUPS and Diamond (EIP-2535). Built and launched Rust-based smart contracts for Solana deployed to mainnet. Implemented vault-based token minting, cross-chain bridging, and constructed private Avalanche subnets for isolated secure asset-backed transactions. Architected a custom Layer-1 node framework in Node.js with zk-MPC-based consensus for secure off-chain asset validation. Contributed to scalable and auditable DeFi mechanisms powering token issuance only when off-chain assets are verified.
Senior Software Engineer at Jiritsu Network
July 1, 2025 - August 5, 2025
Developed and deployed secure, upgradeable EVM smart contracts using Solidity on Ethereum, Avalanche, and BNB Chain with patterns like UUPS and Diamond (EIP-2535). Built and launched Rust-based smart contracts for Solana deployed to mainnet. Implemented vault-based token minting, cross-chain bridging, and constructed private Avalanche subnets to isolate and secure asset-backed transactions. Architected a custom Layer-1 node framework in Node.js with zk-MPC-based consensus for secure off-chain asset validation. Contributed to scalable and auditable DeFi mechanisms powering token issuance only when off-chain assets are verified.
Senior Software Engineer at Jiritsu Network
July 1, 2025 - August 5, 2025
Developed and deployed secure, upgradeable EVM smart contracts with Solidity on Ethereum, Avalanche, and BNB Chain using patterns like UUPS and Diamond (EIP-2535). Built and launched Rust-based smart contracts on Solana mainnet. Implemented vault-based token minting, cross-chain bridging, and constructed private Avalanche subnets to isolate and secure asset-backed transactions. Architected a custom Layer-1 node framework in Node.js with zk-MPC-based consensus for secure off-chain asset validation. Contributed to scalable and auditable DeFi mechanisms that power token issuance upon off-chain asset verification.
Co-Founder at Pixto Digital Technologies
May 1, 2023 - August 5, 2025
Founded a SaaS platform for professional photographers to store, proof, print, and deliver digital albums. Oversaw company operations, product roadmap, and engineering while scaling the platform to over 100 users managing over 100,000 photos. Designed and developed scalable microservices for high-volume image uploads and downloads with efficient storage and transfer logic. Integrated feature-based access control with subscription billing using Razorpay enabling recurring payments and premium features.
Co-Founder at Pixto Digital Technologies
May 1, 2023 - August 5, 2025
Founded a SaaS platform for professional photographers to store, proof, print, and deliver digital albums. Oversaw company operations, product roadmap, and engineering while scaling the platform to 100+ users managing over 100k photos. Managed cloud and DevOps infrastructure using AWS services including Lambda, API Gateway, ECS, EC2, S3, RDS, DynamoDB, EMR, Redshift, CloudFront, VPC and implemented CI/CD pipelines with GitHub Actions, PM2, AWS CDK, and Terraform. Led architecture and development of scalable microservices for high-volume image uploads and downloads with efficient storage and transfer logic. Integrated feature-based access control with subscription billing using Razorpay enabling recurring payments and premium features.
Co-Founder at Pixto Digital Technologies
May 1, 2023 - August 5, 2025
Founded a SaaS platform for professional photographers to store, proof, print, and deliver digital albums. Oversaw company operations, product roadmap, and engineering while scaling the platform to 100+ users and managing over 100k photos. Designed and developed scalable microservices for high-volume image uploads and downloads with efficient storage and transfer logic. Integrated feature-based access control with subscription billing using Razorpay, enabling recurring payments and premium features.
Senior Backend Engineer (Freelance Consultant)
October 1, 2020 - Present
Built secure infrastructure for a security training platform following OWASP best practices using AWS, Java, Python, and Node.js. Designed and implemented backend for an e-commerce bidding platform using Node.js, PostgreSQL, Python, and Airflow. Created scalable serverless APIs and ETL pipelines with AWS Lambda, API Gateway, DynamoDB, and Python. Architected and developed the backend for a crypto portfolio tracker to track real-time token balances and transactions across Ethereum, BSC, BTC, and SOL using Node.js, Web3, GraphQL, Redis, and MongoDB.
Senior Backend & AI Engineer at Freelance Consultant
October 1, 2020 - Present
Currently building LLM-based agent apps using LangChain and LangGraph with FastAPI and Node.js. Prototyping RAG pipelines integrated with OpenAI and Claude APIs for retrieval-based AI applications. Architected and developed backends for a Crypto Portfolio Tracker tracking real-time token balances and transactions across ETH, BSC, BTC, and SOL using Node.js, Web3, GraphQL, Redis, and MongoDB. Built a security training platform with secure infrastructure following OWASP best practices using AWS, Java, Python, and Node.js. Created scalable serverless APIs and ETL pipelines using AWS Lambda, API Gateway, DynamoDB, and Python.
Senior Backend & AI Engineer Consultant at Freelance
October 1, 2020 - Present
Currently building LLM-based agent applications using LangChain and LangGraph with FastAPI and Node.js. Prototyping RAG pipelines integrated with OpenAI and Claude APIs for retrieval-based AI applications. Architected and developed backend for a Crypto Portfolio Tracker to monitor real-time token balances and transactions across Ethereum, BSC, BTC, and SOL using Node.js, Web3, GraphQL, Redis, and MongoDB. Built a secure Security Training Platform following OWASP best practices with AWS, Java, Python, and Node.js. Created scalable serverless APIs and ETL pipelines using AWS Lambda, API Gateway, DynamoDB, and Python.
Co-Founder & CTO
May 1, 2020 - August 5, 2025
Built a real-time analytics platform for sports teams and brands ingesting event data from web, mobile, and social platforms. Designed a multi-tenant event processing system and near real-time dashboards used in pilot campaigns with BCCI and Sunrisers Hyderabad. Developed APIs for a loyalty program in a fantasy sports app serving over 100k users with dynamic tiering based on user activity. Created a single-point JavaScript SDK for cross-platform user tracking; integrated into cricketgateway.com, processing millions of user events. Led a team of 10 engineers, managed product delivery, and represented the company at global startup and investor events.
Co-Founder & CTO
May 1, 2020 - August 5, 2025
Built a real-time analytics platform for sports teams and brands, ingesting event data from web, mobile, and social platforms. Designed a multi-tenant event processing system and near-real-time dashboards used in pilot campaigns with BCCI and Sunrisers Hyderabad. Developed APIs for a loyalty program in a fantasy sports app serving over 100k users with dynamic tiering based on user activity. Created a single-point JavaScript SDK for cross-platform user tracking integrated into cricketgateway.com, processing millions of user events. Led a team of 10 engineers, managed product delivery, and represented the company at global startup and investor events.
Co-Founder & CTO at Pixto Digital Technologies
May 1, 2020 - August 5, 2025
Built a real-time analytics platform for sports teams and brands, ingesting event data from web, mobile, and social platforms. Designed a multi-tenant event processing system and near-real-time dashboards used in pilot campaigns with BCCI and Sunrisers Hyderabad. Developed APIs for a loyalty program in a fantasy sports app, serving over 100k users with dynamic tiering based on user activity. Created a single-point JavaScript SDK for cross-platform user tracking integrated into cricketgateway.com, processing millions of user events. Led a team of 10 engineers, managed product delivery, and represented the company at global startup and investor events.
SDE I at Amazon India Pvt. Ltd.
August 1, 2017 - August 5, 2025
Worked in the Outbound Marketing Automation team launching personalized recommendation-based email campaigns. Built CLI tools and used big data pipelines to derive insights from large-scale customer behavior.
SDE I at Amazon India Pvt. Ltd.
August 1, 2017 - August 5, 2025
Worked in the Outbound Marketing Automation team launching personalized recommendation-based email campaigns. Built CLI tools and used big data pipelines to derive insights from large-scale customer behavior.
Software Development Engineer I at Amazon India Pvt. Ltd.
August 1, 2017 - August 5, 2025
Worked in the Outbound Marketing Automation team launching personalized recommendation-based email campaigns. Built CLI tools and used big data pipelines to derive insights from large-scale customer behavior.
SDE Intern at Amazon India Pvt. Ltd.
June 1, 2016 - August 5, 2025
Contributed to automation and personalization tools within the marketing team.
SDE Intern at Amazon India Pvt. Ltd.
June 1, 2016 - August 5, 2025
Contributed to automation and personalization tools within the same marketing team.
Software Development Engineer Intern at Amazon India Pvt. Ltd.
June 1, 2016 - August 5, 2025
Contributed to automation and personalization tools within the same team during internship.
Intern at Oracle Retail
November 1, 2014 - August 5, 2025
Developed automation tools for the EIT team including SVN integration packages and configuration updates in Java.
Intern at Oracle Retail
November 1, 2014 - August 5, 2025
Developed automation tools for the EIT team, including SVN integration packages and configuration updates in Java.
Intern at Oracle Retail
November 1, 2014 - August 5, 2025
Developed automation tools for the EIT team, including SVN integration packages and configuration updates in Java.

Education

MSc. Software Engineering at Coimbatore Institute of Technology
January 1, 2011 - January 1, 2016
MSc. Software Engineering at Coimbatore Institute of Technology
January 1, 2011 - January 1, 2016
MSc. Software Engineering at Coimbatore Institute of Technology
January 1, 2011 - January 1, 2016

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Media & Entertainment, Professional Services