Ad Tech Software Engineer

Quick Facts

• Role: Ad Tech Software Engineer

Description

You will build and maintain systems that power monetization for a digital ad and streaming platform—covering web/app header bidding and server-side ad insertion (SSAI) for streaming products. The work includes integrations with SSPs, DSPs, and ad servers (e.g., Google Ad Manager/GAM), developing internal yield and performance tools, and ensuring the technical health of ad tags and video ad pipelines. You will collaborate with yield/RTB teams on floor pricing and deal configuration, monitor latency and performance impact, and resolve discrepancies between reporting across ad servers, SSPs, and DSPs.

Responsibilities

• Design, develop, and maintain integrations with SSP, DSP, ad servers (e.g., GAM) and header bidding wrappers
• Implement and optimize server-side ad insertion (SSAI) for CTV and streaming inventory
• Build internal tools to analyze yield, fill rate, latency, and revenue reporting
• Own technical status of ad tags and implementations for VAST/VPAID/VMAP and video ad pipelines
• Collaborate with yield/RTB teams on floor pricing logic, deal IDs, and bidder configuration
• Monitor ad tech impact on site/app performance and drive initiatives to reduce latency
• Investigate and resolve inconsistencies between ad server, SSP, and DSP reporting
• Track and apply evolving IAB standards (OpenRTB, Prebid, SIMID, VAST 4.x) and privacy frameworks (TCF, GPP, CCPA)

Requirements

• 3+ years of software development experience, ideally with overlap in ad tech/martech
• Strong knowledge of JavaScript
• Practical experience with SAS 360 Match, Prebid.js, Google Ad Manager (GAM) and/or SSP/DSP APIs
• Understanding of RTB/programmatic auctions (waterfall vs header bidding; first-price auctions)
• Experience with REST APIs
• Strong debugging skills across browsers, mobile devices, and CTV applications

Benefits

• Motivating compensation and standard employment
• Chance to contribute to the development of additional strategic products
• Access to leading ad technologies and prototype work in the Czech market
• AI budget and quality tools
• Flexible work model and modern offices in Vinohrady
• Learning support
• Access to role-relevant data and tools
• Benefits: 25 days of vacation, meal vouchers, Multisport card or cafeteria, PP and ŽP, 1x per week home office, Prima+ employee subscription