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Artem Kurtiak

@artemkurtiak

Senior Full-Stack Developer at Appexoft, where I built an OpenAI assistant and improved PowerPoint export performance by over 50%.

Ukraine

Message

At Appexoft, I architected a custom OpenAI assistant that draws on multiple internal data sources to answer questions in natural language. I also improved combined-PowerPoint export performance by over 50% through streaming and pipeline optimization.

At ZenwayCode, I was lead engineer on Conveyo, a VC-backed property-technology platform. I built Stripe subscription billing with pro-rata refund calculations and integrated Yoti identity verification for onboarding and authentication.

Across my work, I’ve shipped web and mobile products end to end, including real-time voice and video in a React Native app using WebRTC and LiveKit. My selected projects include SlideCamp, Haircut Express, and Health of Your Space.

Experience

Work history, roles, and key accomplishments

Current

Senior Full-Stack Developer

Current

Appexoft

Oct 2023 - Present (3 years)

Architected a custom AI assistant using OpenAI that ingests multiple internal data sources to answer user questions in natural language. Improved combined-PowerPoint export performance by over 50% through streaming and pipeline optimization, and integrated real-time video and voice into a React Native application using WebRTC and LiveKit.

NodeJS NestJS TypeScript React React Native PostgreSQL MongoDB OpenAI WebRTC LiveKit

Full-Stack Developer

ZenwayCode

Mar 2022 - Sep 2023 (1 year 6 months)

Lead engineer on Conveyo, a VC-backed property-technology platform. Built end-to-end subscription billing with Stripe, integrated digital identity verification with Yoti, automated PDF report generation, and implemented CI/CD pipelines with GitHub Actions deploying to DigitalOcean.

NodeJS NestJS TypeScript PostgreSQL Firebase Stripe YOTI CI CD GitHub Actions DigitalOcean

Full-Stack Developer

StarApps

Nov 2021 - Jan 2022 (2 months)

Reduced backend data-fetch latency by ~30% by introducing Redis caching. Built a data-management module with NestJS and Angular, including Google Maps–based location features.

NodeJS NestJS React Angular MongoDB PostgreSQL Redis Google Maps

Frontend Developer

Magesoft

Mar 2021 - Oct 2021 (7 months)

Integrated Stripe payments into a React Native app for a secure, user-friendly checkout. Implemented Firebase Authentication and real-time data synchronization (Socket.IO) across mobile apps.

React Native Stripe Firebase Socket.IO