# Sergiy G.

> Staff Software Engineer

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/sergiy

Backend software development engineer with full stack and data engineering wisdom and over 12 years of experience building robust web applications and systems. 

Languages & Frameworks: 

- Preffered (most recent experience): Python
- Others: JavaScript/TypeScript, PHP, Golang

Frameworks and libraries: 

- React, Yii, Laravel, Pyramid, Django, Flask

Qualifications: 

- proficient in building microservices, monolithic, and serverless applications in cloud environments, both with and without frameworks;
- extensive experience in REST and gRPC API design and implementation;
- skilled in Kafka, AWS, Kubernetes, Docker, and Terraform, with hands-on experience managing cloud-native environments.
- strong grasp of RDBMS concepts, design, and optimizations using MySQL and PostgreSQL;
- deep understanding and practical application of Design Patterns, SOLID principles, and Object-Oriented Programming (OOP);
- critical thinking mindset with sense of ownership;
- proven track record of leading projects from concept to completion, collaborating with Product, Design, and cross-functional teams;
- experience working in fast-paced Silicon Valley startups;
- team player, but when needed can be a solo hacker;
- fluent in English and Ukrainian languages;
- Bachelor's and Master's Degrees in Computer Science and Intelligent Decision Systems.

Other technical skills:

OOAD/OOP, SOLID, Scrum, Kanban, TDD, API Design, REST, gRPC, Agile, Pair-programming, AWS, Cloud, DynamoDb, Lambda, Kinesis, SQS, xDebug, xhProf, Composer, Pip, Pdb, npm, New Relic, Splunk, Memcached, Kafka, Redis, Jira, Docker, Kubernetes, Terraform, Codefresh, Git, Github, Phpunit/Pytest

Some additional information (if you made it that far :) ):

- passionate about backend development, but open to occasional frontend work;
- not interested in dedicated frontend, infrastructure and data engineering roles;
- go as: Sergiy or Sergio

## Work Experience
### Senior Software Engineer II -> Lead Software Engineer @ GoodRx
Jan 2023 – Jan 2025 | San Francisco, California, United States
Backend Software Engineering role in Data team, specializing in designing and building new services (as well as maintaining and improving existing ones) using gRPC in Python and Go while connecting/integrating these services with data pipelines, leveraging Kubernetes, AWS, Kafka and Redshift

### Senior Software Engineer @ Curology
Jan 2022 – Jan 2022 | San Francisco Bay Area

### Senior Software Engineer @ SurveyMonkey
Jan 2018 – Jan 2021 | San Mateo, California, United States
Full Stack engineer with focus on backend in the Billing team.

### Independent Software Engineer @ Unknown
Jan 2017 – Jan 2017
Backend and full-stack contracts for startups and small clients using PHP, Drupal, JavaScript, jQuery

### Senior Engineer @ SurveyMonkey
Jan 2015 – Jan 2016 | Palo Alto, California, United States
Full Stack PHP and JavaScript developer at Wufoo team

### Web Developer @ Upwork
Jan 2011 – Jan 2014 | Ukraine
Was remote freelance Full Stack Web Developer on different international teams using Upwork.com marketplace (formerly oDesk.com). Worked with many clients (founders , directors, VPs) directly to build an engaging consumer experience of developed products. Got extensive experience in migrating outdated legacy web applications to modern industry technologies and development standards as well as practice in building web apps "from scratch".

Became Upwork certified software developer in PHP5, MySQL, JavaScript, AJAX, HTML and CSS3. Successfully delivered more than a dozen projects of different size. 

Biggest full-time projects:	

•	2012-2014: MatchmakerCRM SaaS web application: https://matchmakercrm.com
•	2011-2012: VoxyCMS web application

Portfolio: https://www.upwork.com/o/profiles/users/~011634d703349ec7a9/

### Php/MySQL developer @ Iq ria
Jan 2010 – Jan 2010 | Ukraine
Junior engineering position at local software development agency. Was part of the team of 3 developers which delivered a standalone telecom solution for private UK client. Technologies: php, MySQL, yii, mvc, JavaScript, Linux (Ubuntu), agile/scrum ( 2 week sprints)


## Education
### Master of Science - MS in Computer Information Systems
Petro Mohyla Black Sea National University

### Bachelor of Science - BS in Computer Science
Petro Mohyla Black Sea National University


## Contact & Social
- LinkedIn: https://linkedin.com/in/gamanyuk
- Website: https://www.upwork.com/freelancers/~011634d703349ec7a9?viewMode=1
- GitHub: https://github.com/serjgama

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Source: https://flows.cv/sergiy
JSON Resume: https://flows.cv/sergiy/resume.json
Last updated: 2026-03-22