Contact information

You can get this candidate's contact information from https://www.work.ua/resumes/4372199/

Work experience

Backend Software Engineer | Node.js Nest.js

from 12.2021 to now (4 years 10 months)
Clockwise Software, Дніпро (IT)

Technology Stack:
Node.js, TypeScript, NestJS, PostgreSQL, DocumentDB, AWS, GCP, Terraform, Serverless, Jest, CI/CD

Key Responsibilities:
• Developing and maintaining scalable SaaS backend systems and APIs using Node.js, NestJS and serverless technologies.
• Designing backend architecture for new services and modules, including database schemas, API contracts and service communication.
• Integrating backend systems with internal services and third-party APIs.
• Implementing data pipelines for validation, normalization, transformation and synchronization between external systems.
• Designing secure file upload, storage, retrieval, document generation and metadata synchronization workflows.
• Building and maintaining infrastructure with Terraform and Infrastructure as Code practices.
• Configuring cloud environments, application resources and CI/CD processes.
• Translating business requirements into technical designs, implementation plans, task breakdowns and estimates.
• Improving reliability, scalability, performance and maintainability through refactoring and architectural improvements.
• Investigating production issues across application, database, integration and infrastructure layers and implementing long-term fixes.
• Developing unit, integration and E2E tests, including isolated and parallel test execution.
• Optimizing PostgreSQL queries and improving data-access performance.
• Taking ownership of backend delivery from technical design to deployment and production support.
• Mentoring teammates and collaborating with product, QA, DevOps and engineering teams.
• Using Claude Code and OpenAI Codex for development, testing, code analysis and documentation while maintaining code quality.

Back end програміст

from 09.2020 to 11.2021 (1 year 3 months)
PintaWebWare, Дніпро (IT)

Node JS Developer

work with a highly loaded project (http://squeezeimg.com/, https://deletebg.top/ ,
https://mysiteboost.com/, https://criticalcss.top/ )
development of analytics for internal projects
development of bundles with tracking system and task managers based on (hotmind)
plugin development for gulp, grunt, webpack
development of plugins for browsers
development of a desktop application for windows based on squeezeimg.com

Education

Национальный горный университет

Транспортные технологии Организация перевозок и управления на автотранспорте., Днепр
Higher, from 2007 to 2011 (4 years)

Additional education and certificates

Днепропетровск Компьютерная Академия ШАГ

2015, 23 месяца

Google Professional Machine Learning Engineer, Udemy

апр. 2026 г.

Data Analytics, Data Science, ML, DL & NLP - All in 1 Course, Udemy

март 2026 г

Generative AI for NodeJs: OpenAI, LangChain - TypeScript, Udemy

янв. 2026 г.

Generative AI on AWS - Amazon Bedrock, RAG & AWS KIRO [2026],x` Udemy

янв. 2026 г.

Amazon Bedrock - The Complete Guide to AWS Generative AI, Udemy

янв. 2026 г.

Google Cloud fundamentals (GCP) with practices and labs ,Udemy

янв. 2026 г.

AWS - From Professional to Expert (Amazon Web Services), Udemy

март 2025 г.

AWS - From Zero to Pro (Amazon Web Services), Udemy

янв. 2025 г.

Terraform from Zero to Certified Professional, Udemy

авг. 2024 г

Microservices - Patterns and Practices for Building Microservice, Udemy

февр. 2024 г

Knowledge and skills

• Node.js
• PostgreSQL
• REST API
• TypeScript
• MySQL
• SQL
• Комунікабельність
• Docker
• SASS
• Git
• HTML
• GitHub

Language proficiencies

• Ukrainian — fluent
• English — average

Additional information

Github: https://github.com/GuydaSergey
Skype : domovomy