Solidity
29
https://github.com/billybonz1
Software engineer: • Experience in administration of long-term projects
• Fidelity / Reliability / Creativity / Initiative / Quality
Stack: • JavaScript / TypeScript / Angular / React + Redux / Vue + Pinia / jQuery
• PHP / Laravel / Yii / Symfony / WordPress / OpenCart
• Python
• Node.js / NestJs / NextJs / WebPack
• MySQL / MongoDB / Postgress / Redis / GraphQL
• Amazon Web Services / Git / GitHub / Google API / OpenAI API
• HTML / CSS / SCSS / PostCSS
• Blockchain / Solidity / Smart Contracts / NFT
Services:
- installation and configuration of CMS
- site optimization (green zone Google Page Speed)
- development and integration of plugins and widgets
- writing a website from scratch
- improvement of self-written engines
- development and integration of modules
- site transfer
- creation of complex website projects
- adaptive layout
- creating a layout template
- development of extensions for Chrome and Firefox
- development of bots (Teleagram, Viber, Facebook Messanger, Discord, Web, Instagram)
- development of CRM systems
- development of admin panels
- ChatGPT integration, AI integration
- payment systems integration (blockchain, fiat)
- development of smart contracts (blockchain)
- business automation
- API integration
2494
31 0
315
41 0
As a back end developer with a passion for blockchain technology, I have gained valuable experience and skills in various projects and platforms.
Previously, I worked at Everstake, a leading staking service provider, and at INC4, a blockchain technology development company, where I contributed to the open-sourced AirDAO Bridge project. I performed extensive research on challenging blockchain topics, such as ETH proof of stake, ETH slashing and penalties, and others. I also championed the importance of code quality and architecture within the team, leading by example and reminding team members of best practices. I am skilled in Golang, Python, and Solidity programming languages, as well as in Linux, Bash, Docker, and other tools and technologies. I have also created at least 15 large Telegram bots, integrating various payment systems and earning 40+ positive reviews from customers.
I am always eager to learn new things and challenge myself, and I enjoy working with other talented and motivated developers. I am open to work on exciting and innovative projects that leverage blockchain technology and require back end development expertise. Feel free to contact me if you are interested in collaborating or hiring me.
515
4 0
We are Peiko, and we design, support and develop large, high-load, scalable projects.
We develop complex products when it is impossible to buy ready-made ones, or they do not fit the target business requirements.
Customers address to us when their projects on WordPress, OpenCart, Tilda, Drupal and other template CMS solutions do not cope any more with a great load on a site, with a considerable stream of new inquiries, and limiting factors of use of ready solutions do not allow to scale and grow business, getting additional profit and achievement of leading positions in the market.
Our teams consist of experienced professionals in the implementation of projects in the following areas:
- e-commerce: online stores, marketplaces, message boards, B2B portals, producers' sites.
- FinTech projects: bankings, payment systems, exchanges, exchanges, portals for hedge funds, auction sites
- CRM/ERP business automation systems
- social networks and media portals
- web projects in buying, selling, and renting of real estate
- web projects for HoReCa
- Blockchain (Crypto exchanger, Exchange)
- Fintech, Finance
- Traveling Platforms
- Hospitality, Healthcare
- Retail
- Tech Startups
Today, Peiko's technical department employs a number of specialists for full-cycle product development:
- Designers (UI/UX)
- Backend dev`s
- Frontend dev`s
- project managers
- Team Leader
- Business analysts
- QA
- IOS dev`s
- Android dev`s
- DevOps
Teams work as in-house specialists, we are located and work within the office.
The technologies we work with are:
Back end : Node.js (Express.js)
PHP / frameworks : Symfony, Yii2, Laravel
Front end: HTML5, CSS3, jQuery, Bootstrap, SASS, FlexBox, WebGL.
Js / frameworks : React.js (Next.js), Vue.js (Nuxt.js), GraphQl, Redux
Design & Mockup UX/UI : Sketch, Figma (responsive design, wireframing, prototyping) / Generally: Axure, Adobe Illustrator, Sketch, Figma
Database : MySQL, PostgreSQL, MongoDB, Redis, Cassandra.
Testing : PHPunit, Seleniumhq, Behat, Kahlan, Rspec.
Management : Trello, Jira, Slack, Github, Bitbucket, Gitlab.
DevOps : Apache, Nginx. Ci/Cd, AWS, Docker
Blockchain : Solidity - Smart-contracts
Mobile Apps Development : React Native
We are ready to implement a project requiring a full development cycle team as well as to cooperate in outstaff format when we need specialists for long-term work (starting from two months).
The Peiko team is interested in the success of projects performed by our specialists, in achieving the client's business goals, and in further developing our products.
If you need a technical partner for a long-term, confident and mutually beneficial cooperation - contact me.
We can discuss with you the idea, possible options for its implementation, and in the shortest possible time to begin work.
326
8 0
Blockchain · JavaScript
Kyiv, Ukraine
Building trust through blockchain technology - one block at a time.
1180
6 0
7+ years of commercial experience in software development.
4+ years of experience in blockchain development (dApps for EVM based blockchains)
Arrived as React developer then start extensive research into crypto market, DeFi, and blockchain solutions. Practical experience with Ethereum, Solidity, OpenZeppelin, React js, Truffle, Web3, Ganache, REST. Created and deployed ERC20 token smart contracts (Ethereum, Polygon nettworks, solidity). Designed and implemented frontend layer using React. js, JavaScript, CSS, HTML. Ticker module utilizing web socket channel and asynchronous API calls to receive real time market updates. Metamask wallet integration and authentication.
A lot of expirience in NFT, S olana dApps. During 2022 i ’ve launche more than 20 nf t collec tions, make my own NFT staking protocol, published a course about Solana NFT development.
1101
7 0
716
18 0
399
11 0
1060
2 0