Chebotiuk Pavlo

Senior Back End Engineer

• Designing and developing scalable backend services using Node.js and microservice architecture.
• Building and optimizing APIs and data flows for high-load systems.
• Working with cloud infrastructure (AWS) and distributed systems.
• Improving system performance, reliability, and observability.
• Collaborating with cross-functional teams to deliver production-ready solutions.

System software engineer

• Developed and optimized a data pipeline, increasing system capacity from 300,000 to 5,000,000 user uploads per day and enhancing data enrichment speed by 5x.
• Integrated data pipelines with BigQuery and PostgreSQL for efficient storage and retrieval.
• Played a key role in architecting and implementing high-performance Node.js applications, leveraging deep expertise in asynchronous programming and event-driven architecture to optimize scalability and reliability.
• Championed the adoption of Node.js best practices and design patterns, ensuring code maintainability and extensibility across complex distributed systems.
• Led the development of Node.js-based microservices, orchestrating seamless integration with other components of the system to achieve robust functionality and interoperability.
• Mentored team members in microservices development, providing guidance on performance optimization, debugging techniques, and effective use of frameworks and libraries.
• I led a project from inception to completion, focusing on the development of new microservices to meet business needs.

Fullstack software engineer (Web3)

• Played an important role in designing app microservice architecture, participated in crucial architectural decision making sessions with stakeholders.
• Designed full-stack architecture for a document verification platform, implemented event sourcing with SNS & SQS event streaming platforms
• Improved & documented Web3 related API's (SSI and Verifiable credentials domain)
• Designed, developed & deployed smart contracts (Solidity) on EVM-compatible chains for on-chain credential anchoring and trustless data exchange, with a focus on security and gas efficiency
• Integrated smart contracts into the dApp, working closely with front-end engineers on the Web3 user flows
• Communicated and collaborated with multi-disciplinary teams of engineers, designers, producers, clients, and stakeholders on a daily basis
• Developed micro-services with Nodejs + Graphql api, Docker
• Developed serverless nanoservices with nodejs, python & aws lambda
• Managed and mentored junior developers. Initiated and supervised company-wide development practices. Contributed to company code library.
• Contributed to the company Web3 MVP concept app that allowed to increase the product offering.
• Led the initiative of designing & developing webhooks that allowed to automate data exchange process with external clients.
• Configured metrics dashboards using prometheus, grafana & cloud-watch
• Optimised CI pipelines and service tests that sped up development & deployment process

Fullstack software engineer

• Wrote modern, performant, and robust code for company products
• Worked with a variety of modern frameworks & technology stacks (nodejs, graphql, typescript, react & redux)
• Architected and implemented micro-services with Nodejs + Graphql api, Docker, RabbitMQ
• Developed and shipped highly interactive mobile & desktop apps for Apple Store
• Collaborated with a distributed team, communicated with stakeholders remotely.
• Worked closely with the development and management teams to architect and configure integrations with Slack, Stripe & Ecommerce API's.
• Configured log's & metrics using ElasticSearch + Kibana
• Used modern tools & libraries to implement a secure API gateway for company products
• Interfaced with experience designers and other developers to ensure thoughtful and coherent user experiences across iOS and desktop apps
• Designed & coded the company's internal chat bot framework.
• Developed mobile apps with React Native

Javascript Coach

• Coached a group of people to create web application considering modern technologies and practices.
• Worked closely with the management team to improve the education program.
• Сovered the best practices in full-stack development & latest advanced ReactJS concepts.

Fullstack Developer

• Designed & developed a data warehouse management app from scratch, configured integrations with internal software system, that accelerated order processing & provided a significant competitive advantage on the market.
• Implemented a Data warehouse that would include data to support multiple departments across the Enterprise on both reporting and predictive analysis.
• Worked remotely with back-office and team members
• Maintained company web-applications & services using JS, PHP, Laravel, AJAX & XML
• Configured CI pipelines using Docker & Bitbucket that increased development speed

Javascript frontend Developer

• Worked remotely with back-office and team
• Developed UI modules using javascript & php
• Implemented improvements in company web-services based on actual client needs

Javascript frontend Developer

• Built responsive web clients UI and features with javascript and bootstrap css framework
• Supported an ecommerce web client, developed new features and improved UX
• Tested sites in various browsers and devices to ensure cross-browser compatibility and mobile responsiveness

Donetsk National Technical University

Master's degree, Specialization in Economics of Enterprises

• Built a DeFi payments dApp on an EVM-compatible chain, enabling peer-to-peer ERC-20 transactions via smart contracts.
• Designed, developed & deployed Solidity smart contracts for trustless, on-chain payment settlement.
• Integrated the contracts with a React front-end using ethers.js for wallet connection and on-chain calls.

• Collaborated with executive management to define project scope and requirements.
• Built a web-app using cms & Javascript for visualizing hotel booking options.

• Designing and developing web clients UI

• Presented the project at the Garage 48 hackathon challenge. Project selected as finalist & social impact reward winner.
• Provided an instrument for users to easily send an official claims for parking rules violations.

Achievements

• Technology Nation (Brain Bucket foundation, Mentor in Frontend development)
• Winner of the Netherland grant program in developing social projects (project hotelhelp.in.ua)
• Garage 48 2015 hackathon winner (best social impact project: ParkingHero)

Interests

Music composing, Traveling, Skiing, Sport, Self development

Stop-List:

Gambling. Russia-related products and companies, Russia-related stakeholders included. Companies related to any Russian founders will be ignored as well.