CareerPlan

Fullstack Engineer / AdTech

Kyiv, UkraineFull-time2026-09-23 → 2026-11-13
Contractor

Core

Architect and build high-performance systems for programmatic advertising workflows, processing millions of ad transactions in real-time with sub-millisecond latency.

Role type

Senior Full Stack Engineer (AdTech)

Builds

Real-time bidding infrastructure, header bidding solutions, and publisher-facing dashboards for yield management.

Domain

AdTech / Data Infrastructure

Deliverable

production ML models | product features

Required skills

JavaScript/TypeScript, React, Node.js, Python, Prebid.js, OpenRTB protocol, Ad server integration (SSP/DSP), VAST/VPAID, Privacy compliance (GDPR/CCPA)

Preferred skills

AI/ML in ad-tech, Mobile advertising SDKs, Identity solutions (UID2, ID5), Publisher-side monetization

Technologies

React, Next.js, Node.js, Python, FastAPI, PostgreSQL, Redis, Kafka, ClickHouse, AWS, Kubernetes, Terraform, Cloudflare Workers

Responsibilities

Design and develop full-stack applications for programmatic advertising workflows, Build and maintain integrations with major SSPs and DSPs, Implement and optimize Prebid.js and Prebid Server configurations, Develop OpenRTB-compliant bid request/response handling and auction logic, Build ad serving infrastructure including VAST/VPAID video ad implementations, Create publisher-facing dashboards for yield management, analytics, and reporting

Seniority

Senior, hands-on IC