dimazaichenko
Backend / System Architect (Node.Js, Type Script, Rust) | Solana & Web3 | Highload & Microservices | Dev Ops & Ci/Cd
Experienced Node.js backend architect and technical lead, building scalable, high-performance, and maintainable backend systems. Skilled in system design, distributed architectures, high-load applications, and performance optimization.
Expanding expertise in Rust and Solana, leveraging them for Web3, blockchain, and AI-driven backend solutions, including smart contracts, decentralized apps (dApps), and data-intensive systems.
Professional Highlights:
- Architect and technical lead: designing backend architectures, leading development teams, mentoring developers, and overseeing projects from conception to deployment.
- Deep Node.js and TypeScript expertise for high-load, distributed, and event-driven systems.
- Strong PHP background for enterprise and e-commerce solutions.
- Full-stack capabilities with React and Next.js, enabling end-to-end development when needed.
- Experienced with Linux, Docker, CI/CD, Kafka, Redis, and AWS, building reliable and automated infrastructure.
- Proven ability to translate business requirements into scalable, maintainable technical solutions.
- Observability & Monitoring: implemented metrics, alerts, and dashboards using Prometheus, Grafana, and Alertmanager to ensure high availability and performance of backend systems.
Core Technologies: Node.js (NestJS, Express), TypeScript, Rust, Solana, PHP, PostgreSQL, MySQL, Kafka, Docker, AWS, CI/CD, Redis, RabbitMQ, ElasticSearch, Prometheus, Grafana, React (Next.js)
Also worked with: MongoDB, MQTT, GraphQL, IoT protocols, Linux systems, Adobe Commerce (Magento), etc.
Credly (certifications): https://www.credly.com/users/dima-zaichenko/badges
Expanding expertise in Rust and Solana, leveraging them for Web3, blockchain, and AI-driven backend solutions, including smart contracts, decentralized apps (dApps), and data-intensive systems.
Professional Highlights:
- Architect and technical lead: designing backend architectures, leading development teams, mentoring developers, and overseeing projects from conception to deployment.
- Deep Node.js and TypeScript expertise for high-load, distributed, and event-driven systems.
- Strong PHP background for enterprise and e-commerce solutions.
- Full-stack capabilities with React and Next.js, enabling end-to-end development when needed.
- Experienced with Linux, Docker, CI/CD, Kafka, Redis, and AWS, building reliable and automated infrastructure.
- Proven ability to translate business requirements into scalable, maintainable technical solutions.
- Observability & Monitoring: implemented metrics, alerts, and dashboards using Prometheus, Grafana, and Alertmanager to ensure high availability and performance of backend systems.
Core Technologies: Node.js (NestJS, Express), TypeScript, Rust, Solana, PHP, PostgreSQL, MySQL, Kafka, Docker, AWS, CI/CD, Redis, RabbitMQ, ElasticSearch, Prometheus, Grafana, React (Next.js)
Also worked with: MongoDB, MQTT, GraphQL, IoT protocols, Linux systems, Adobe Commerce (Magento), etc.
Credly (certifications): https://www.credly.com/users/dima-zaichenko/badges
Experience: 11 years
Yearly salary: $80,000
Hourly rate: $50
Nationality: 🌏 Remote
Residency: 🌏 Remote
Experience
Senior Backend Engineer / System Design & Architecture
Lytko 2023 - 2026
The Lytko company develops modern high-tech thermostats with convenient control, which allows you to optimize the temperature regime of the warm floor in the house and significantly reduce electricity consumption. Main responsibilities: • Integration of physical devices (for example, thermostats) into smart home systems, such as Yandex, Sber, etc. • Thinking through and implementing code architecture, as well as direct participation in its development. • Partial performance of the duties of a DevOps specialist. • Technical management and mentoring. • Development of company products. • Active participation in the creation of a code base and code review.
Technical Lead Software Engineer
PearlConvert 2018 - 2023
At PearlConver creates, develops, and optimizes digital commerce experiences. There are 130+ eCommerce experts, developers, UX designers, solution architects, CRO & CX experts with a heart for digital commerce and creating results for the customers. Main responsibilities: • Tech-leading and mentoring. • Creating Magento-based eCommerce sites. • Modules development. • Integration with third-party systems. • Develop products of the company. • Back-end modules design. • Business requirement analysis, and investigation of complicated cases. • Provide time estimation for changes. • Optimizing services performance and code profiling. • Contribute actively to codebase and code reviews.
Lead Developer
FX Clearing 2013 - 2018
FXCL Markets Ltd. is a Prime of Prime brokerage dedicated to investment needs of its institutional and retail clients and committed to helping them to pursue their financial goals. Main responsibilities: • Developed a large report system. • Developed different features for the Forex site. • Normalized database tables and performed extensive query optimization. • Optimizing services performance, and code profiling. • Contribute actively to codebase and code reviews. • Integration with third-party systems. • Mentoring.
Developer
CRMguru 2011 - 2013
The CRMguru team helps businesses reduce costs and work faster - implement advanced business process management systems. Main responsibilities: • Creating eCommerce sites. • Templates and modules development. • Provide time estimation for changes. • SugarCRM integration.
Skills
ai
aws
blockchain
ci-cd
crypto
dapp
docker
grafana
graphql
javascript
linux
nestjs
nextjs
node
php
postgres
rabbitmq
react
redis
rust
solana
typescript
web3
english
russian