I am a software engineer with a strong background in JavaScript, specializing in Frontend - React, Next.js, and Typescript. With 8+ years of professional experience, I have successfully crafted scalable, responsive, and easily maintainable software products for various industries including Web3 Gaming, DeFi, Fintech, E-commerce, and Telemedicine. I am currently seeking an opportunity to join a fast-paced team that is passionate about their work. I thrive in dynamic environments where I can take ownership and make a significant impact on the product's direction and success. I am driven by challenging projects that push me to learn new technologies and expand my skill set. If given the chance, I am confident that my expertise and dedication will contribute to the growth and success of any organization. I look forward to leveraging my skills and collaborating with like-minded professionals to create innovative solutions that drive business goals forward.
Experience: 8 years
Yearly salary: $120,000
Hourly rate: $60
Nationality: 🇵🇱 Poland
Residency: 🇵🇱 Poland
Experience
Senior Software Engineer ( Web3 )
B3 2024 - 2026
Worked across multiple on-chain gaming products, contributing to several frontend codebases and rapidly adapting to new projects. Owned development of the multichain blockchain explorer for B3 L3 and L4 gamechains, building core frontend architecture and production features. Contributed to key ecosystem products: Basement.fun, HypeDuel.com, B3 Staking, Anyspend.com, B3 SDK, B3OS. Led frontend performance optimizations and shared improvements across multiple projects. Implemented integrations with Farcaster mini apps to enable social distribution of on-chain gaming experiences. Leveraged AI-assisted development tools (Cursor, Claude) to accelerate feature development and prototyping.
Senior Frontend Engineer ( Web3 )
Embed Protocol 2023 - 2023
Led frontend development of a Web3 application, driving architecture and implementation for performance and scalability. Designed and built core user-facing features with a focus on UX, maintainability, and performance.
Senior Frontend Engineer ( Web3 )
Earn Network 2023 - 2024
Led frontend development for Earn Network, a DeFi staking platform. Built user interfaces for staking management, enabling users to stake assets, track positions, and manage rewards through wallet-signed transactions. Implemented Web3 wallet integrations and transaction flows interacting with staking smart contracts. Migrated the app to Next.js, improving UX, performance, and maintainability. Implemented a UI component library leveraging shadcn, standardizing design and accelerating feature development. Led frontend implementation of a prediction market system, building flows for market creation, outcome configuration, and bet management.
Software Engineer
SpinachPay 2021 - 2022
Core engineer building a fintech platform for direct bank payments and buy-now-pay-later services in the regulated cannabis market. Developed and optimized the client application and backoffice management tools, ensuring performance and reliability. Collaborated on payments infrastructure decisions, technical documentation for investor/bank due diligence, and product strategy discussions.
Skills
blockchain
git
javascript
nextjs
react
tailwind
typescript
web3
front-end