# Sergiy Kukunin > Chief Technical Officer Location: San Francisco, California, United States Profile: https://flows.cv/sergiykukunin Fixing your vibe coding crappy apps!! Software engineer/entrepreneur. My technical leadership and early-stage contributions were instrumental in scaling several startups to 8-figure valuations. Over years of startup experience, I've refined a pragmatic development methodology that prioritizes rapid iteration and high-impact results, enabling swift product delivery within tight timeframes. - 16+ years crafting full-stack solutions, with a focus on high-performance and concurrent systems. - Proficient across Ruby, JS/TS, Python, Elixir, and deeply familiar with C++, Go and Java. Right tool for the job. - Committed to high-quality code, consistently achieving 85%+ code coverage and rigorous code tracking. - Deep understanding of core CS principles: data structures, algorithms, and complexity analysis. - Proven track record of delivering pragmatic solutions in fast-paced startup environments. - Extensive infrastructure expertise, encompassing deep knowledge of networking (OSI layers), Linux/POSIX systems, Docker, and Kubernetes. - Experience implementing cutting-edge technologies, including AI/ML, HTML-over-wire frameworks, and Infrastructure as Code (IaC). ## Work Experience ### Chief Technology Officer @ Aimaly - AI Revenue Maximizer Jan 2025 – Present | San Francisco Bay Area ### VP of Engineering @ EasyHealth Jan 2021 – Present | Los Angeles, California, United States A critical member of the leadership team, with a number of responsibilities that include: * Defined and executed company-wide technology strategy, aligning with core business goals. * Designed and implemented robust, scalable, and secure architecture to support product growth. * Led and scaled high-performing engineering teams, fostering innovation. * Managed tech budgets and optimized ROI * Enforced best practices in software development, ensuring high-quality deliverables. * Translated complex tech into clear language, bridging the gap between tech and business Among many achievements at Easy Health, there are: * Built a streamlined data warehouse that ingests data from multiple sources, enabling real-time analytics and reporting. * Modernized a legacy application, speeding releases from bi-annual to monthly, and improving system performance by 40%. * Delivered rapid, strategic solutions, strengthening key client partnerships. * Secured a strategic technology partnership, expanding our product offerings and market reach. ### Principal Full Stack Software Engineer @ Spotlight Media Labs, Inc. Jan 2017 – Present Spotlight is a platform built to simplify quality news discovery for consumers and provide a revenue stream for publishers. It was a small team, I was responsible for everything technical related: backend, API, server infrastructure, DNS, etc. Participated in features specification designing, designed a technical architecture for those features. Managed a team, searched technical candidates to join a company, conducted technical interviews, guided decisions about size and quality of dev teams. During my time working for the company, we have built an extensive and self-documented API for the mobile apps, established a core framework for RSS feeds imports, implemented a sophisticated article search mechanism. I established a code changing process including code reviews, CI/CD and automatic infrastructure. ### Senior Software Engineer @ Matic Insurance Services Inc Jan 2014 – Jan 2017 | Lviv, Ukraine Matic is an American startup which I work in from the first days of it. I've got an invaluable sense of a life of a startup and knowledge of the business part beside the dev one. Work in a team on the same project. Maintain communication with partners. The primary stack is Ruby on Rails, but I do C#, Lua, Elixir when they fit better. Do a lot of DevOps stuff: introduced Docker and Ansible into the company. Constantly try to improve the process, leverage latest approaches, and technologies. Introduced DDD, some approaches of functional programming etc. Care about code quality (sometimes too much). I manage a team, learn how to be team-centric and project-centric, not ego-centric. ### Web Developer @ Adrenalads Jan 2013 – Jan 2014 | Remote Was hired to the small company as a full-stack developer. Do regular tasks using both Ruby and PHP. PHP, ZendFramework, Laravel, MySQL for PHP stack. Ruby on Rails, PostgreSQL, RSpec, Capybra for Ruby stack. HTML5/CSS3, jQuery and VanillaJS on frontend side. Tend to have full coverage with automated tests. Tend to have clean history with Git. Working with Linux, VPS, AWS. ### Web developer @ oDesk Jan 2010 – Jan 2013 | Remote Work as free-lancer on oDesk. Problem solver without limitation of technology. Because of partial schedule, have ability to be up-to-date with technologies. Use PHP with various frameworks on backend side, jQuery on frontend. PSD2HTML. Do web scrapers using PhantomJS. Use Git, HTML5/CSS3, all popular CMS (Wordpress, Drupal etc) In 2013 I start to use Ruby on Rails for new projects with PostgreSQL, automated testings and background jobs. ### PHP Developer @ ITBom.com Jan 2009 – Jan 2010 | Vinnytsia Region, Ukraine Work as full-stack web developer with PHP on backend. Use PHP with MySQL on backend, and Mootools on frontend. SVN as SCM. Because of small size of the company, work solely on projects. One project required advanced poker server implementation, so I have to learn and use Java to be able to develop the server based on open-source one. ### PHP Developer @ RIA Jan 2009 – Jan 2009 | Vinnytsia Region, Ukraine Start of carrier as PHP developer. Work in a team, implement and deliver new features. Use PHP, MySQL, SVN, HTML/CSS, JS (Mootools) for everyday work. Occasional experience with server administration: nginx, apache, linux. Work with real project with 3m visits per day, so got a real experience of high-load projects. ### Free-lancer @ Self-Employed Jan 2007 – Jan 2008 | Vinnytsia Region, Ukraine Start of programming path. I educated myself, got and used skills to do simple orders on local Russian SEO community. HTML2PSD with semantic HTML (using divs). PHP with MySQL for parsers, grabbers and simple CMS. Setup and tune Wordpress or Drupal. Install scripts onto hosting etc ## Education ### Master's degree in Computer Science Vinnytsia National Technical University ## Contact & Social - LinkedIn: https://linkedin.com/in/sergiy-kukunin --- Source: https://flows.cv/sergiykukunin JSON Resume: https://flows.cv/sergiykukunin/resume.json Last updated: 2026-04-12