Dheeraj Nalubolu

Blockchain Data Engineer | Senior Software Engineer

LinkedIn | GitHub

About

Highly accomplished Blockchain Data Engineer and Senior Software Engineer with over 5 years of experience in developing scalable blockchain infrastructure, optimizing data pipelines, and building full-stack decentralized applications. Proven expertise in leveraging advanced technologies like Solidity, Rust, AWS, and Kubernetes to drive significant performance improvements and deliver high-impact solutions across financial, startup, and academic environments. Seeking to apply deep technical knowledge and leadership skills to complex challenges in a forward-thinking organization.

Work Experience

Blockchain Data Engineer

Fidelity Investments

Oct 2024 - Present

Spearheaded the development of scalable data pipelines and optimized blockchain data processing for Fidelity's validator nodes, ensuring high-accuracy analytics and efficient operations.

  • Developed scalable pipelines processing high-volume execution and consensus layer data from Fidelity validator nodes across multiple layer-1 networks, loading into Snowflake for advanced analytics.
  • Built automated reward calculation algorithms for Ethereum validators, accurately computing staking rewards, penalties, and slashing conditions by analyzing execution and consensus layer events.
  • Optimized Snowflake SQL queries for a data-intensive layer-1 blockchain dataset, reducing execution time by 70% through CTE modularization, lateral flattening, and join optimization.
  • Tracked and adapted data pipelines for Ethereum network upgrades (e.g., Proto-Danksharding, Pectra, EIPs) to maintain system compatibility and engineering strategy alignment.

Founder & Blockchain Infrastructure Engineer

StakeYourMina

Feb 2020 - Present

Founded and led blockchain infrastructure development, managing a high-availability network supporting over 100 delegators and $3M in staked assets.

  • Implemented CI/CD pipelines using GitHub Actions, enabling seamless protocol upgrades and ensuring nodes remained up-to-date and in sync for continuous operation.
  • Deployed a multi-server setup across multiple cloud providers, achieving high availability and minimal downtime through rolling upgrades and diverse infrastructure.
  • Managed a network supporting 100+ delegators with over $3M in staked assets, recognized by the Mina Foundation for consistently high uptime.
  • Utilized Amazon CloudWatch and Grafana for continuous server monitoring, alert notifications, and performance optimization, proactively addressing potential issues.

Blockchain Engineer

Cyborg Network

Jan 2024 - May 2024

Engineered a decentralized edge computing platform on Ethereum, enhancing security and optimizing system reliability through advanced blockchain functionalities.

  • Developed a decentralized edge computing platform on Ethereum, leveraging ChainLink Functions for automated task scheduling and DON Hosted Secrets for secure key management.
  • Orchestrated scalable Dockerized deployments using Kubernetes (k8s) to optimize system reliability and security for mission-critical blockchain infrastructure.

Director of Technology

NEU Blockchain Organization

Nov 2022 - Dec 2023

Directed technology initiatives for a 20-member team, overseeing the development of 3 decentralized applications focused on EVM compatibility and full-stack solutions.

  • Led a 20-member team in developing 3 decentralized applications focusing on account abstraction, DAOs, and on-chain certification with EVM compatibility.
  • Facilitated multiple workshops and hands-on sessions, significantly enhancing members' practical skills in blockchain technology and application development.

Senior Software Engineer

Zoho Corporation

Feb 2020 - Aug 2022

Served as a Senior Software Engineer, driving software development, system integrations, and performance optimizations for Zoho Expense.

  • Integrated multiple third-party applications into Zoho Expense using webhooks, Java servlets, and MySQL, enhancing platform interoperability.
  • Improved the Zoho Expense data export process using Python scripts and Zoho Catalyst Cloud Platform, streamlining operations and increasing efficiency.
  • Reduced REST API response time by 15% through the implementation of in-memory caching and optimization of database queries.
  • Developed custom functionalities in Zoho Expense using Deluge scripting language and identified efficient database schemas for CRUD operations.

Associate Software Engineer

Cognizant Technology Solutions

Oct 2018 - Jan 2020

Developed automation tools and enhanced web accessibility standards as an Associate Software Engineer, significantly improving delivery times and testing efficiency.

  • Developed a Java-based automation tool, reducing delivery time of accessibility-compliant web components to clients by 80%.
  • Improved the Galen framework, a Java open-source product, by adding a text node recognition feature, enhancing its testing capabilities.
  • Programmed a Google Chrome extension to extract locator data from web components, significantly reducing manual webpage scanning and testing times.

Education

Software Engineering Systems

Northeastern University

3.97

Sep 2022 - Dec 2024

Courses

  • Cryptocurrency and Smart Contract Engineering
  • Program Structure & Algorithms
  • Database Systems

Projects

Cross-chain Orderbook DEX Development

Developed and deployed a cross-chain orderbook decentralized exchange utilizing Axelar protocol.

BlockXfer

Jan 2023 - May 2023

Developed a Full Stack decentralized application for managing crypto payments using phone numbers as identifiers.

CrossChain - Decentralized Exchange

Jan 2023 - Mar 2023

Developed a Full Stack CrossChain - DEX to trade ERC20 compatible tokens across any EVM compatible blockchain.

Awards

Harvard Blockchain Hackathon - Fall Term 2023 Third Place

Harvard Blockchain Hackathon

Oct 2023

Third place in the Sustainability track, developing GrowVerse, a decentralized gamification app rewarding course completions with tokens for virtual plants, aiding real-world tree planting through NGOs.

Harvard Blockchain Hackathon - Summer Term 2023 Runner-up

Harvard Blockchain Hackathon

Jun 2023

Runner-up in the Polkadot development track, developing CrossChain - DEX, an aggregator of liquidity from all EVM chains using Moonbeam as a central hub.

Harvard Blockchain Hackathon - Spring Term 2023

Harvard Blockchain Hackathon

Apr 2023

Won Axelar's track for the best use of cross-chain bridging and the best use-case, developing a decentralized transfer platform that allows sending/requesting digital assets via phone number.

ETHBoston Runner-up

ETHBoston

Apr 2023

Runner-up with the project zKredit, a blockchain-based solution for credit score verification utilizing zero-knowledge proofs to maintain user privacy while verifying scores directly on-chain.

Languages

English

Skills

Programming Languages

  • Solidity
  • Java
  • C++
  • Rust
  • Python
  • TypeScript
  • JavaScript
  • C

Web/VCS

  • ReactJS
  • Node.js
  • HTML
  • CSS
  • Git

Databases

  • MySQL
  • OracleSQL
  • PL/SQL
  • MongoDB

Cloud Platforms

  • AWS
  • Snowflake

Other Technologies & Frameworks

  • REST
  • Docker
  • Substrate
  • Hardhat
  • Ethers.js
  • JUnit
  • Express.js
  • Socket.IO
  • Kubernetes (k8s)
  • ChainLink Functions
  • DON Hosted Secrets
  • Axelar Protocol
  • IPFS