Sr. Full-Stack Blockchain Engineer
Rostock, Germany
Sr. Full-Stack Blockchain Engineer with extensive experience in crafting front-end and back-end solutions spanning modern web platforms to cutting-edge blockchain applications. Specialized in building high-performance, user-focused products with expertise in Solidity, Web3.js, React, Node.js, and decentralized applications.
Powercall Gmbh
Jan 2025 — Present
Architecting & spearheading the design & development of dynamic, responsive dApps & web UIs using React, Next.js, TypeScript, Redux, & RXJS. Building and orchestrating scalable, high-performance microservices and smart contract architectures using Node.js, Express, NestJS, TypeORM, PostgreSQL, MongoDB, Redis, RabbitMQ, and integrating EVM-compatible blockchains. Leveraging Docker, Kubernetes, InflixDB, IPFS, and decentralized identity/auth systems. Successfully delivered market-ready product with go-to-market efforts in EU.
1fs Wealth
Sept 2023 — Present
Created smart contracts for decentralized applications on blockchain, ensuring secure and transparent transactions. Leveraged Solidity, Rust, Ethereum, Polygon, Binance, & Klaytn achieving 75% reduction in transaction fees. Engineered and maintained scalable, high-performance microservices architecture using Node.js, Express, TypeORM, NestJs, MongoDB, Firebase, serverless functions, Redis cache, and Kafka. Utilized GCP, Docker, & Kubernetes to deploy, manage, and scale applications. Successfully launched FirstWealth wealth management platform across Europe, UAE, and Australia.
NextGenTM
May 2022 — Aug 2023
Engineered multiple Web, mobile app, and DeFi applications leveraging React.js, Node.js, Solidity, React-Native, Next.js, Strapi, AWS, Cloudflare, & GraphQL, achieving 80% surge in user engagement. Architected design using React, React-Native, NestJS, Express & Node with design patterns resulting in 80% improvement in development efficiency and 85% reduction in testing phase bugs. Forged smart contracts for NFT and metaverse marketplaces achieving 50% reduction in transaction fees. Received $200 million investment commitment by successfully delivering MVP module.
Atlantic Technical Services India Pvt. Ltd
Jun 2020 — May 2022
Led full-stack development utilizing Angular, NGRX, RxJs, NestJs, node.js, Express.js, SQL, MongoDB, AWS, Jest, Storybook overseeing architecture, code review, and testing. Developed real-time collaboration features using WebSockets, Cron-Services, GraphQL, & PubSub enabling 80% faster user interactions. Resolved 85% of bugs through active testing, debugging, and compliance. Successfully launched first version of Osago app in Lagos.
Arrk Solutions Pvt. Ltd
Nov 2018 — Jun 2020
Led full-stack development of web and mobile apps in real estate and pharmaceutical sectors utilizing .Net Core, React-Native, React, Angular, MongoDB, & MS-SQL. Recognized for timely project completion and early live deployments enhancing project efficiency by 70%.
V2 Tech Ventures Pvt. Ltd
Feb 2017 — Nov 2018
Led full-stack development with C#, React, .netcore, MS-SQL, & cloud services using Agile to enhance development efficiency. Awarded for on-time delivery using Aurelia framework achieving 15% faster project completion.
AssistPro India Pvt. Ltd
Oct 2015 — Feb 2017
Contributed to full-stack app development using MVC, C#, .NET, Angular, & Azure enhancing efficiency through agile practices. Received award for completing module ahead of investor rounds facilitating successful contract finalization.
AR Wonders Technologies Pvt. Ltd
Jun 2013 — Oct 2015
Worked closely with agile team to create & test web apps using C#, Angular, MVC, & SQL achieving 80% spike in development. Recognized by UK clients for successfully rebranding project in short timeframe leading to contract renewal.