# Keshav Gupta **Blockchain Dapp Developer/ Mobile & Web Fullstack Developer** Utrecht ♦ Mobile: +31 6 15163780 ♦ keshav.pg@gmail.com LinkedIn: [www.linkedin.com/in/keshav-gupta-pg](www.linkedin.com/in/keshav-gupta-pg) ## Professional Summary Versatile and innovative blockchain developer with extensive experience in creating robust decentralized applications (Dapps), smart contracts, and blockchain infrastructure. Passionate about leveraging cutting-edge blockchain technologies to drive transformation and efficiency. Seeking to contribute deep technical expertise and strategic insights in a dynamic blockchain environment, open to exploring a variety of applications including but not limited to DeFi, GameFi, and trading platforms. ## Technical Skills - **Programming Languages**: Solidity, JavaScript (Node.js, TypeScript), C# (Xamarin, ASP.NET) - **Blockchain Technologies**: Ethereum, Smart Contracts, DeFi Protocols, AMMs, Liquidity Mining, Waku v2 - **Databases & Caching**: MongoDB, Redis, MySQL - **Other Technologies**: Apache Kafka, Docker, Swagger, Sentry, JIRA, Azure DevOps - **Development Tools**: Visual Studio Code, RemixD, HardHat, GitHub, Terraform ## Experience ### Senior Backend Developer Polygon Labs, Utrecht (Remote) | October 2022 - September 2023 - Spearheaded the architecture and development of OpenApi, pivotal in Polygon Technology's wallet and staking services. - Managed and mentored a diverse team of backend engineers, fostering a culture of innovation and collaborative problem-solving. - Implemented Infrastructure as Code (IaC) practices, enhancing system scalability and deployment efficiency. - Enhanced system performance and scalability through efficient use of MongoDB and Redis for data storage and retrieval. - Leveraged Docker for application containerization and Kafka for real-time updates, ensuring system reliability and performance. - Established a robust CI/CD pipeline using GitHub workflows and Terraform, ensuring high-quality software production and reliable releases. ### Smart Contract Developer Status.im, Utrecht (Remote) | May 2022 - October 2022 - Contributed to the development of Waku v2, a secure, private, and spam-protected communication protocol for Web3 users, utilizing libp2p. - Played a key role in the development of the Rate Limiting Nullifier (RLN) membership contract for nWaku, enhancing network spam protection. - Involved in designing tokenomics to incentivize different stakeholders of the Waku messaging network, ensuring consistent service provision and network integrity. - Authored smart contracts in Solidity, significantly improving contract efficiency and security, and extensively reused audited contracts from OpenZeppelin for reliability. - Managed connections using Ethers.js, enhancing data reliability and accessibility. ### Fullstack Blockchain Dapp Developer SciFi Finance, Remote (Part-time) | February 2022 - May 2022 ### Senior Software Engineer Condor BV, Amersfoort, Netherlands | August 2021 - May 2022 ### Director | Application Architect Xplore Thrive & Create BV, Utrecht, Netherlands | February 2018 - August 2021 ### Application Architect CowManager BV, Harmelen, Netherlands | March 2016 - March 2017 ### Application Architect FastFocus BV, Harmelen, Netherlands | April 2017 - February 2018 ### Mobile Application Architect Ijsberg Consultants, Amsterdam, Netherlands | February 2015 - March 2016 ### Researcher EdTech labs, University of Eastern Finalnd | Sep 2013 - Sep 2014 ### Software Engineer Progressive Infotech, New Delhi, India | September 2011 - April 2012 ## Education - **Master of Science in Computer Science (Software Engineering)** University of Eastern Finland, Joensuu, Finland | September 2012 – September 2014 - **Bachelor of Technology in Information Technology** National Institute of Technology, Kurukshetra, India | July 2007 – August 2011 ## Publications - [Link to Publication](http://www.editlib.org/p/147635/)