codewarrior
Blockchain Developer
Eager to learn and genuinely passionate about programming and blockchain technology, I bring a robust background in both blockchain and backend development. Proficient in coordinating backend to smart contract development and collaborating directly with clients, both internal and external, to successfully achieve business goals. Additionally, I have a strong interest in privacy solutions, contributing to my commitment to practical and secure technology solutions.
Experience: 4 years
Yearly salary: $90,000
Hourly rate: $45
Nationality: 🇵🇱 Poland
Residency: 🇵🇱 Poland
Experience
Senior Backend Developer
Platforma Detalistów 2020 - 2022
As a Senior Backend Developer, I led the decision-making process for architecture and technical stack. My responsibilities included analyzing, designing, and developing core functionalities, as well as orchestrating the migration of existing applications to microservices while fine-tuning production environments. I've collaborated with various payment services, leveraging my expertise to ensure seamless integration and enhanced transactional capabilities.
Full Stack & Blockchain Developer
waxinventory 2019 - 2020
In my role, I successfully established a web3 NFT marketplace, with a focus on creating and maintaining EOSIO Smart Contracts. My Full Stack development approach was comprehensive, incorporating technologies such as React.js for the frontend, and utilizing Node.js with TypeScript for the backend. This combination of technologies enhanced the efficiency and functionality of the project, ensuring a robust and scalable implementation.
Full Stack & Blockchain Developer
LemonUnit 2018 - 2019
At LemonUnit, I provided consultation and advice on various blockchain projects. I created and maintained front-end, electron desktop applications, and blockchain libraries.
Senior Backend & Blockchain Developer
Geon 2018 - 2020
In this role, I served as the Tech Leader, creating and maintaining backend engine for iOS and Android apps. Additionally, I designed ETH blockchain smart contracts, analyzed, designed, and developed new functionalities, monitored application performance, and managed backoffice services.
PHP & Node.js Software Developer
G2A.COM 2015 - 2018
As a PHP Software Developer at G2A.COM, I developed and maintained authentication and authorization services, designed and maintained big-data PostgreSQL databases, and created continuous integration and continuous delivery flows for application microservices.
PHP Software Developer
ModulesGarden 2013 - 2015
In the Product Team at ModulesGarden, I developed applications for WHMCS, managing the entire application development process. This included direct contact with global customers, creating custom projects, and developing licensed products.
Skills
blockchain
blockchain-engineer
docker
eos
ethereum
javascript
kubernetes
mongo
node
postgres
rabbitmq
react
redis
solidity
typescript
english
polish