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Sergey B
@sergey_butsenko
Level 1
FAANG Software Engineer, Resume Writing Professional for Tech Jobs
Ukraine
English, German, Ukrainian, Russian
About me
I’m an experienced FAANG Software Engineer, having worked at Google and Amazon. I’ve been through 100+ interviews, received 20+ tech job offers, and worked for 5 companies. I know exactly how the tech job market works in 2026 — what recruiters and companies are looking for.
I’ve helped dozens of friends design professional, ATS-friendly resumes and land their dream tech jobs. I’ve also optimized their LinkedIn profiles so that recruiters started reaching out to them.
Now, I’m an expert in tech resume writing and want to help more people hack the tech job market and secure multiple offers.
Skills
Sergey B
Offline •
Average response time: 1 hour
See my services
Online Coding Lessons
I will teach solving leetcode problems as a google software engineer
Resume Writing
I will professionally rewrite and edit your tech resume as a faang software engineer
Portfolio
Work experience
Software Engineer
Google • Full-time
Oct 2025 - Present • 1 yr 1 mo
Working on Android Ecosystem for cars (AAOS)
Software Engineer
Consol Software • Full-time
Feb 2023 - Oct 2025 • 2 yrs 8 mos
Worked at a software company with over 250 employees across 3 countries. Contributed to the Remote Software Upgrade project, outsourced by BMW Group, which enabled BMW vehicle users to update their cars remotely via a mobile app. • Developed core features for the Remote Software Upgrade service using Java and Scala, enabling over 9 million BMW vehicles worldwide to receive software updates via the mobile app. • Maintained an internal web application for BMW user management using Node.js, TypeScript, and SQL. Using Docker and Kubernetes to perform integration tests, Junit, and Mockito for unit tests. Kept track of code quality and readability, code coverage above 85% and optimal usage of database, CPU, and server pods. • Automated build, test, and deployment workflows by integrating Jenkins into the CI/CD pipeline. Reduced release cycle time by 15% and minimized manual errors during deployments after switching to GitHub Actions.
Software Engineer Intern
Amazon • Full-time
Aug 2022 - Feb 2023 • 6 mos
Finished 6-month internship in a global technology company employing over 1,5 million people worldwide. Designed software components for the system that analyses over 50 million of user queries daily. • Designed user query tokenization component in Java using Natural Language Processing (NLP) that enabled the translation of tokens and comparing queries from different marketplaces. Improved the query matching rate by 15%. • Improved query match rate by an average of 18% by building translation scripts in Python and Scala. Deployed and tested the solution using AWS services, including S3, DynamoDB, Lambda, and ECS. • Collaborated with senior engineers to identify the most efficient solution. Analyzed query tokenization throughput daily, compared number of processed queries and latency, and picked Apache Lucene library as the best option.
10 Reviews
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Rating Breakdown
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1-5 out of 10 Reviews
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ophiragami
Israel
Ongoing collaboration
Great mock interview! Sergey was super professional, asked challenging questions, and provided precise, constructive feedback that helped me a lot. The simulation felt exactly like a real interview. Thank you for your time and effort highly recommended!
Helpful?
ophiragami
Israel
Ongoing collaboration
Very professional, patient, and helpful. Communication was clear and easy, and I had a great experience. Highly recommended!
Helpful?
abdoazam794
Ireland
Ongoing collaboration
Really helped me out and showed my weaknesses before the interview. Highly recommend!
Helpful?
w_p_1234
United States
Helpful?
theboon24
United States
Very helpful, walked me through how to think in these interviews with a helpful framework in solving unknown problems. Sergey makes an effort to ensure you retain the knowledge and become prepped !
Helpful?
