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bohdan_tsekhm

Bohdan Tsekhm.

@bohdan_tsekhm

Backend Developer AI Engineering

République Tchèque
Russe, Ukrainien, Anglais
Certaines informations sont présentées en anglais.
À propos de moi
I build high-load, real-time backend systems that don't crawl under pressure — and recently, I've been doing it with AI agents in the mix. Hit me with a problem, and I'll make it fast, observable, and clean. I'm a backend engineer with ~5 years of experience across outsourcing and product work. Always open to interesting architecture problems or a good conversation about building systems that scale.... Plus d’infos

Compétences

b
bohdan_tsekhm
Bohdan Tsekhm.
hors ligne • 

Voir mes services

Applications Web Full stack
I will develop a scalable nestjs backend API with nodejs and typescript
De25 $US / projetPlus de détails

Expérience professionnelle

ScrumLaunch_Brazil

Middle Back-end Developer

ScrumLaunch Brazil • Temps plein

Dec 2025 - Aug 2026 • 8 mos

• Built backend services for BrightSign digital signage devices — device communication + content delivery for a high-load fleet. • Designed custom AI agents using the Mastra framework; configured a private SearXNG instance on a VPS as a secure loopback search API to power them. • Architected and maintained PostgreSQL databases for structured, robust data storage. • Set up full observability (NewRelic, BetterStack, OpenTelemetry) and modernized monitoring. • Built internal Retool dashboards for device management, streamlining support operations.

BackEnd Developer

HZF • Temps plein

Jan 2025 - Nov 2025 • 10 mos

• Refactored a legacy B2B system, improving code clarity and performance stability for a large, complex codebase. • Wrote comprehensive unit + integration tests, reducing production incidents by catching bugs early. • Replaced polling with a real-time Socket.IO service, giving end-users live updates. • Restructured project architecture to improve readability and cut onboarding time for new devs.

BackEnd Developer

Entrance LLC • Temps plein

Aug 2021 - Jan 2025 • 3 yrs 5 mos

• Cut API response time by up to 70% in a high-load messenger using Node.js threads and workers. • Reduced database latency by up to 40% via MongoDB indexing and Redis caching. • Built a real-time messenger (NestJS + Fastify) with Socket.IO, multi-thread processing, and a Dockerized Nginx load balancer. • Integrated a Stripe payment system — purchases, subscriptions, and analytics. • Set up cloud infrastructure (AWS Lambda, CloudWatch, S3, SNS/SES) + third-party services (ZohoCRM, Twilio, SMS compliance lists).