Summary
Overview
Work History
Education
Skills
Volunteer Experience
Timeline
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Maria So

Espoo

Summary

Blockchain & Fullstack Developer experienced in decentralized applications, blockchain integration, and smart contract development. Certified Blockchain Developer (Ethereum) proficient in creating ERC-20 tokens and deploying smart contracts using Solidity, Truffle, Hardhat, and Web3.js. Skilled in React, Node.js, and Agile methodologies. Seeking challenging projects to apply expertise and drive impactful tech solutions.

Overview

5
5
years of professional experience

Work History

Blockchain Developer

Freelancer
03.2023 - Current
  • Engineered and deployed tailored fungible (ERC20) and non-fungible tokens (ERC721/1155) with advanced, customizable features to meet unique client requirements, ensuring seamless blockchain integration and functionality.
  • Coded smart contracts in Solidity for decentralized apps.
  • Tested and debugged blockchain-based applications to ensure quality assurance.
  • Directed creation of a blockchain exchange platform, implementing smart contracts for token exchanges
  • Deployed multisignature wallet smart contracts to strengthen transaction security
  • Integrated frontend, backend, and blockchain infrastructure to enable seamless connection with cryptocurrency wallets, ensuring smooth and secure user interactions.
  • Deployed NFT collections to OpenSea leveraging Alchemy and Infura for seamless deployment on chains like Polygon and Ethereum, ensuring optimized gas fees and scalability.

Front End Developer

Technigo
08.2022 - Current
  • Contributed to server-side programming and API development, with a focus on performance and scalability.
  • Created web applications utilizing HTML, CSS, and JavaScript
  • Built responsive web applications by utilizing collaborative coding techniques
  • Implemented dynamic user interfaces with React and JavaScript, optimizing front-end performance and improving user experience across multiple devices.
  • Enhanced system integration through efficient REST API utilization

Chief Operating Officer

Elman Siivous Oy
Espoo
11.2019 - Current
  • Boosted company revenue by 50% via strategic contracts and government bidding during the pandemic
  • Ensured operations aligned with sustainability and environmental guidelines
  • Managed financial reporting, payroll, and risk management across multiple departments.
  • Building a custom booking system to streamline client scheduling and improve operational efficiency, leveraging full-stack development and database integration.

Education

Associate of Applied Science - Information Technology

Xamk – South-Eastern Finland University of Applied
Finland
01-2023

BBA - Business Administration, Accounting, An

Rastor-instituutti
Finland
01-2021

Skills

Blockchain Development

  • Languages: Solidity, JavaScript
  • Frameworks & Tools: Hardhat, Truffle, Remix, OpenZeppelin
  • Libraries: Web3js, Ethersjs
  • Wallets: MetaMask
  • Infrastructure: Infura, Alchemy
  • Smart Contract Standards: ERC-20, ERC-721, ERC-1155

Testing

  • Mocha, Chai, Jest

Full-Stack Development

  • Frontend: JavaScript, React, Redux
  • Backend: Nodejs, Express
  • Databases: MongoDB, MySQL

Cloud & DevOps

  • Google Cloud, Microsoft Azure (Introductory level)

Version Control & Workflow

  • Git, GitHub
  • Agile Methodologies: Pair Programming, Mob Programming

Volunteer Experience

  • Backup Member, Multicultural Affairs Advisory Council, Espoo City, 01/01/21, Present
  • Volunteer, HelsinkiMissio, 01/01/21, Present, Helping elderly individuals with technology and social interactions.
  • Volunteer, UN Women Suomi, 01/01/20, Present, Human rights advocacy and awareness.

Timeline

Blockchain Developer

Freelancer
03.2023 - Current

Front End Developer

Technigo
08.2022 - Current

Chief Operating Officer

Elman Siivous Oy
11.2019 - Current

Associate of Applied Science - Information Technology

Xamk – South-Eastern Finland University of Applied

BBA - Business Administration, Accounting, An

Rastor-instituutti

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Maria So