vadympanchuk
Senior Software Engineer
Lead Software Engineer with 15+ years of experience building and modernizing distributed backend platforms across iGaming, Blockchain,
SaaS, and Digital Marketing.
Hands-on software engineer specializing in Go, distributed systems, and platform architecture. Experienced driving architecture and technical
direction across engineering organizations of 80+ engineers while remaining deeply involved in software design and implementation.
Most effective when modernizing legacy systems, designing scalable backend architectures, and solving complex platform engineering
challenges.
Experience: 11 years
Yearly salary: $120,000
Hourly rate: $75
Nationality: 🇺🇦 Ukraine
Residency: 🇵🇹 Portugal
Experience
Part-time CTO / Charity Project
UA Mental Help 2022 - 2023
Built a psychological help platform across web and mobile. Led a distributed 8-person engineering team. Integrated payment gateways, analytics, and monitoring systems.
Senior Backend Engineer
PDFfiller 2021 - 2021
Built production backend services in Go and PHP. Delivered backend functionality across application, cache, search, and database layers. Hardened reliability of production services. Strengthened backend architecture and continuous delivery.
Backend Tech Lead / Blockchain Architect
Pragma Technologies 2021 - 2024
Architected distributed blockchain backend infrastructure. Built Layer-2 components, blockchain bridges, and production indexers. Delivered smart contracts and backend services across Solidity, Go, Node.js, and Rust. Migrated a monolithic platform to Kubernetes on AWS EKS, improving performance by 40%. Drove release modernization that improved release speed by 60%.
Team Lead
V2DP inc 2020 - 2021
Built a SaaS document workflow platform from scratch. Led a 4-person team across backend and frontend delivery. Introduced code review and automated testing, reducing production bugs by 40%. Modernized the platform toward microservices, accelerating time-to-market by 50%. Owned technical delivery across backend services, data stores, cloud infrastructure, and mobile integration.
Team Lead / Backend Developer
Genesis / Banana.me / Appflame 2020 - 2020
Led a 14-person engineering team across backend, frontend, and QA. Owned delivery for real-time product capabilities. Solved urgent production issues across user-facing systems. Built real-time backend capabilities using WebSockets, PostgreSQL, RabbitMQ, and Vertica. Built hookupers.com from scratch as a production product.
Backend Developer / Team Lead
ZeoAlliance 2015 - 2020
Led multiple teams totaling 36 engineers across backend, frontend, and QA. Designed architecture for products handling up to 200k RPS. Reduced deployment time from 2 hours to 15 minutes through CI/CD and release-cycle improvements. Optimized AWS infrastructure usage, reducing costs by 30%. Owned technical execution across Go, PHP, Node.js, PostgreSQL, MongoDB, Redis, WebSockets, AWS, GitLab CI, and Docker.
Full Stack Developer
Pixeljets 2012 - 2015
Built qwintry.com as a production product. Delivered MySQL-backed workflows and browser-facing product surfaces.
Full Stack Developer / Team Lead
Industrial Media 2009 - 2012
Led a 6-person developer team delivering client web platforms. Delivered client sites across PHP, Drupal, MySQL, and Memcached. Owned full-stack implementation across backend, database, and frontend layers.
Skills
big-data
smart-contract
golang
english
russian
ukrainian