Sergey Rozber
Python Backend & Automation Developer with 5+ years of professional experience building internal tools, backend services, API integrations, and automation solutions.
About Me
I am a Python developer with 5+ years of professional experience, with a strong background in test automation, backend services, and internal tooling. My experience includes building automation frameworks for UI and API testing, developing backend services and REST APIs using Python and FastAPI, creating internal tools and scripts to automate workflows, and working with databases such as PostgreSQL and MongoDB. I have collaborated closely with frontend and backend teams in Agile environments. I focus on reliability, quality, and practical solutions. Currently, I am expanding my skills in modern automation approaches and learning LLM and AI integrations.
Tech Stack
Technologies I work with to bring ideas to life
Work Experience
Automation Software Developer
Developing internal automation tools and services.
- •Designed and implemented RESTful APIs serving requests daily
- •Created robust test scripts to validate sensitive data flows across distributed systems, replaced fragile UI tests with direct API validation logic.
- •Developed backend/frontend service and integration between outsource applications
Software QA Engineer
Started career in QA department.
- •Performed manual testing on desktop and web applications, defining acceptance criteria and leading QA for major releases. Experience includes regression, functional, UX, UI, E2E, and FRT testing. Collaborated in Agile/Scrum teams and maintained testing documentation
- •Developed Automation Tests and transferred manual tests to Automation (Web: API + Playwright, Hardware: C# + Python + Win Driver)
Featured Projects
A selection of projects showcasing my skills and experience
Internal Automation & API Services
Backend services and internal tools built with FastAPI to support business workflows, frontend integration, and system automation.
System Integrations & Data Handling
Implemented integrations between in-house systems and external services with focus on data validation, consistency, and reliability.
QA Automation & Test Frameworks
Designed and maintained automation solutions for Web, API, and desktop applications. Migrated manual tests to stable automated coverage.
Web Scraping & Data Automation
Developed web scraping solutions to collect structured data from public web sources and APIs for internal automation and analysis.
These projects represent real internal systems and tools developed in production environments.
Get In Touch
Have a project in mind or want to discuss opportunities? Feel free to reach out!