Building teams and scalable systems
I am Andrii Kolomiichenko
CTO & Engineering Leader
Since 2010, building high-load real-time systems and microservice architectures. Hands-on CTO, team lead of 20+, and serial zero-to-production builder — I take ideas off whiteboards and put them into production.
The best architecture is the one your team can own, scale — and sleep through
square_footCore Tech Arsenal
Programming Languages
Databases
Infrastructure
Observability
APIs & Protocols
Frontend
Tools & Workflow
Architecture
Testing & Quality
Security
Leadership
workWork Experience
Sprut Syndicate (Chief Technology Officer)
Built and launched Sprut Games (games.sprut.net) from zero — a Telegram-based social casino platform with provably fair mechanics. Formed and leads the full technical team.
- ›Launched Sprut Games — Telegram-based social casino with provably fair stake mechanics
- ›Grew to 25k+ active players
- ›Formed and leads the full engineering team from scratch
- ›Defining long-term technology roadmap and infrastructure strategy
CPA.Club (RedCore Group (ex-PIN-UP Global)) (Head of Development)
Led technical development of the oldest CIS affiliate marketing community. Designed and executed migration from legacy vBulletin 4 to Discourse, building a custom Go-based ecosystem around it.
- ›Designed user migration strategy from vBulletin 4 to Discourse
- ›Built custom Go ecosystem around Discourse: ticket sales, subscriptions, member perks, and more
- ›Community of 650+ VIP & C-level members in closed group and 12k+ in open sources
- ›Events featured world-class speakers including Molly Bloom
- ›Led engineering team and defined technical roadmap
Riddick's Call (Head of Development)
Led technical development for a large-scale international conference platform serving business owners, entrepreneurs, and C-level executives.
- ›Built and maintained conference platform and digital infrastructure
- ›Led engineering team across multiple event cycles
- ›Hosted world-class speakers including Jordan Belfort (The Wolf of Wall Street)
TRAFF.TOOLS (Founder & CTO)
Founded and built a suite of ad-tech and automation tools for affiliate marketers, webmasters, and digital agencies.
- ›Web Push affiliate platform on Firebase Cloud Messaging with advertiser cabinet
- ›Desktop app morphers and cryptors automation with webmaster cabinets
- ›Auto-builder for Webview Android APK on PhoneGap with randomization and publishing
- ›Cloaking systems, redirect services, and custom TDS platforms
- ›Satellite deployment systems for online casinos and bookmakers
- ›Automated video creative constructor
- ›Messenger account generators and checkers via mobile numbers
- ›Software for hardware SMS gateways for bulk messaging
- ›Instagram approver and Telegram bots
- ›Developer sandboxes
- ›Game development on Unity
- ›Industrial GPU mining farm rack assembly
- ›Beauty blog platform beautydaybook.com
AdTraf LLC (Deputy CTO)
Built and led engineering team developing a suite of high-load ad-tech products. Core affiliate platform evolved into PIN-UP.Partners (part of RedCore Group (ex-PIN-UP Global)).
- ›Shipped affiliate platform MVP in 3 weeks — later became PIN-UP.Partners (RedCore Group (ex-PIN-UP Global))
- ›Platforms handled 1M+ requests per minute across affiliate networks
- ›Built plaff — plugin-based affiliate platform (referral redirects, auto-subscriptions, mining, search traffic, clickunders, banners, teasers, feed injection)
- ›Built prerolls — pre-roll banner marketplace between publishers and advertisers
- ›Built foxyads — e-commerce affiliate network
- ›Built searchtds — custom TDS system
- ›Built msrv — postback-based tracking & targeting service (similar to Facebook Pixel)
- ›Led team of 20+ engineers across backend and frontend
SMM Technologies LTD (Senior Associate Software Engineer)
Developed traffic aggregation and resale platforms: traflab (largest traffic exchange in the region), nextfun, traff.expert. Built search traffic ecosystem: searchmonster.com for buying and iskalka.com for monetizing traffic.
- ›Developed traflab (also known as nextfun and traff.expert) — the largest traffic exchange platform in the region
- ›Built iskalka.com + searchmonster.com — end-to-end search traffic ecosystem
Informistika LLC (Team Lead)
Led development of social-leads / sleads — an affiliate program aggregating offers from multiple partner networks via integrations.
- ›Led team building social-leads / sleads affiliate aggregation platform
- ›Integrated offers from multiple affiliate networks via APIs
- ›Rewrote legacy PHP critical path to Node.js + Redis — thousands of times faster
- ›Migrated team workflow from direct server editing and SVN to GitLab
Zapchast LLC (Software Engineer)
Built a custom auto parts e-commerce platform with integrated CRM synchronized with 1C.
- ›Developed custom auto parts sales platform from scratch
- ›Built CRM integrated with 1C Warehouse for inventory and order management
- ›Automated internal logistics and business workflows
- ›Set up and configured VoIP call system for the business
volunteer_activismVolunteer Experience
Google Developer Group (GDG) Konotop
Co-Organizer • DEC 2012 — APR 2014
Co-organized and participated in local technical events, meetups, and hackathons. Tested and evaluated new Google products for the regional tech community.
schoolEducation & Certs
Master of Electronic Devices and Systems
Junior Research Fellow
Sumy State University • SEP 2010 — JUL 2011
Grade: 4.3/5
Bachelor of Electronics
Sumy State University • SEP 2008 — JUL 2010
Associate Degree of Computer & Intelligent Systems and Networks
Konotop Polytechnic College of Sumy State University • SEP 2004 — JUL 2008
Intensive Course of Penetration Testing
HackerU • SEP 2020 — OCT 2020
With Distinction
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