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- Serhii Zahranychnyi
Serhii Zahranychnyi
Senior Software Engineer @ Capital One (ex-Hewlett-Packard, ex-SpotOn)
Open for Inquiries
You can message Serhii to ask questions before booking their services
About
Senior Software Engineer with extensive experience architecting and delivering scalable, cloud-native systems that tackle complex business challenges. Skilled in Python, AWS, and Kubernetes, with a strong focus on performance optimization and applied AI.
I excel at driving technical vision, leading projects from concept to production, and building solutions that deliver measurable impact—such as boosting campaign throughput by 1000x and reducing ETL processing time from 12 hours to 30 minutes. Passionate about mentoring engineers, fostering innovation, and implementing best practices that raise the bar for technical excellence across teams.
Intro Session
This plan is designed for mentees who are looking for new opportunities in the US job market and need help with preparation.
$ 39/30min
Hourly Session
- Preparation for an interview
- Resume review
- Career coaching
- Soft Skills and Behavioral Interview Preparation
- Working at US-based companies
- Mentoring Activities:
- 1-on-1 Sessions
$ 99/hour
Lite
- Find and fix weak spots in your technical skills
- Strengthen core knowledge in FinTech systems
- Get feedback on coding, design, and problem-solving
- Build confidence for growth or interviews
- Response Time: 24 hours
- Calls: 2 × 60 min
- Mentoring Activities:
- 1-on-1 Sessions
$ 259/month
Start Mentorship Now
Start now with a 7-day free trial
Cancel anytime. No strings attached.
Regular
- Level up for senior or BigTech roles
- Practice real system design and architecture
- Learn how to succeed and grow in enterprise teams
- Get a clear roadmap for your next career step
- Response Time: 24 hours
- Calls: 4 × 60 min
- Mentoring Activities:
- 1-on-1 Sessions
$ 399/month
Start Mentorship Now
Start now with a 7-day free trial
Cancel anytime. No strings attached.