Full Stack Web Developer with 3+ years of commercial experience building and maintaining production CRM and internal operations platforms for 300+ business clients. I ship high-impact features across the full stack, often working within complex legacy codebases. I focus on reliable integrations (REST APIs/webhooks), data import pipelines for large catalogs, and performance improvements in critical workflows—delivering measurable outcomes such as faster exports, automated ticketing with notifications, and real-time user experiences.

Oleksandr Hal

Full Stack Web Developer with 3+ years of commercial experience building and maintaining production CRM and internal operations platforms for 300+ business clients. I ship high-impact features across the full stack, often working within complex legacy codebases. I focus on reliable integrations (REST APIs/webhooks), data import pipelines for large catalogs, and performance improvements in critical workflows—delivering measurable outcomes such as faster exports, automated ticketing with notifications, and real-time user experiences.

Available to hire

Full Stack Web Developer with 3+ years of commercial experience building and maintaining production CRM and internal operations platforms for 300+ business clients. I ship high-impact features across the full stack, often working within complex legacy codebases.

I focus on reliable integrations (REST APIs/webhooks), data import pipelines for large catalogs, and performance improvements in critical workflows—delivering measurable outcomes such as faster exports, automated ticketing with notifications, and real-time user experiences.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
See more

Language

English
Advanced
Ukrainian
Fluent
Slovak
Intermediate

Work Experience

Full Stack Web Developer at VORTEX
June 1, 2023 - Present
Co-maintain a production CRM platform serving 300+ business clients used daily by support, developer, and management teams. Deliver feature additions and critical bug fixes across the full stack (PHP | Vue), with 360+ commits since June 2023. Developed 6+ custom modules for a Mopar automotive parts client as their primary inbound channel for compatibility requests, custom orders, and inquiries; order volume grew ~4% in the first 3 months post-launch (1,700–1,850 units). Led a 4-month overhaul of a core internal operations platform by migrating a legacy client-instance data model to a leads-based architecture and fixing a crashing export process, reducing runtime from 23s to 12s. Built a ticket tracking system generating 530+ tickets, including CRM-based self-service ticket creation with automated Telegram notifications. Built 10+ automated data import pipelines for automotive catalogs, parsing up to 600K SKUs per client and mapping 600-article Motul catalog across 12M+ SKU-to-vehicl

Education

Bachelor's Degree in System Analysis at Uzhhorod National University
September 1, 2022 - June 1, 2026

Qualifications

Backend Development Certificate — Astound commerce
January 11, 2030 - August 9, 2026
2nd Place — UzhNU Startup Competition "Startup – UzhNU: Forward to Innovation!"
January 1, 2024 - August 9, 2026

Industry Experience

Software & Internet, Retail, Wholesale & Distribution, Manufacturing, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
See more

Hire a Full Stack Developer

We have the best full stack developer experts on Twine. Hire a full stack developer today.