Ad Tech Engineer (AU, Media, Homebased)

ConnectOS; Mandaluyong; Remote; PHP 1,004,000 - 1,674,000; Full time

Benefits offered by this job

Medical, Dental and Life insurance

Paid Vacation & Sick Leave

Competitive salary & annual appraisal

Financial Assistance Program

13th Month Pay

Office perks at Metro Manila location

Career growth opportunities

Team events

Job summary

ConnectOS is urgently hiring an ad tech engineer to own client-side ad code, SSP integrations, and header bidding strategy. You will work on a WordPress-based setup, configure Prebid.js/Server, integrate major SSPs, and optimize ads for CWV while ensuring privacy compliance.

Remote work available with a Monday–Friday schedule and ASAP-start preference. Ideal candidates have 4+ years in ad tech, strong JavaScript, and deep knowledge of Google Ad Manager 360, GPT, and Prebid tooling.

Qualifications

• 4+ years of hands-on ad tech engineering experience at a publisher, ad network, or ad tech vendor.
• Strong proficiency in JavaScript and debugging third-party ad code in the browser.
• Deep expertise in Google Ad Manager 360 and GPT including slot definitions and lazy load.
• Experience with production Prebid.js and Prebid Server, ad unit design, timeouts and floors.
• Experience with major SSPs (Magnite, PubMatic, Index Exchange, OpenX, TripleLift) and Google Open Bidding.
• Experience with privacy/identity frameworks (CMPs, IAB TCF v2.2, Google Consent Mode).
• Understanding of ads.txt, sellers.json and schain; performance impact on CWV.
• Hands-on debugging with Publisher Console, Prebid debug, Chrome DevTools, and proxy tools.

Responsibilities

• Build and maintain client-side ad code on Express (WordPress multisite on WP Engine).
• Configure and maintain Prebid.js and Prebid Server; manage bidders, ad units, floors, and timeouts.
• Integrate SSPs and exchanges (Magnite, PubMatic, Index Exchange, OpenX, Google Open Bidding, Amazon TAM/UAM).
• Migrate and update header bidding wrappers; ensure parity during rollouts.
• Implement consent/identity solutions (CMPs, IAB TCF v2.2, Google Consent Mode).
• Support video ad setups (JW Player, Google IMA SDK, VAST).
• Maintain ads.txt and sellers.json; manage schain in bid requests.
• Develop new ad formats (sticky, in-article) with layout stability; protect Core Web Vitals.
• Monitor bid rates, latency, and discrepancies across vendors; troubleshoot issues.

Skills

JavaScript

Google Ad Manager 360

GPT

Prebid.js

Prebid Server

SSP integrations

Consent/Identity frameworks

Chrome DevTools

Header bidding wrappers

WordPress

Web performance optimization

Education

Bachelor's degree in Computer Science/IT

Tools

Prebid.js

Prebid Server

Google Publisher Console

Chrome DevTools

Charles

JW Player

WP Engine

Job description

URGENT HIRING! (Prefer candidates that can start ASAP)

Work Setup: Homebased/Fully Remote
Schedule: Monday - Friday (06:00 AM - 03:00 PM PHT) (Home based)

What you'll be doing?

Technical Delivery

• Build and maintain client-side ad code on Express (WordPress multisite on WP Engine), including GPT, ExpressAds.js, slot definitions, size mapping, lazy load, and refresh rules.Build and maintain client-side ad code on Express (WordPress multisite on WP Engine), including GPT, ExpressAds.js, slot definitions, size mapping, lazy load, and refresh rules.
• Configure and maintain Prebid.js and Prebid Server, including bidder adapters, ad units, price granularity, timeouts, price floors, user ID modules, and analytics adapters.
• Integrate and manage SSP and exchange connections, including Magnite, PubMatic, Index Exchange, OpenX, Google Open Bidding, Ad Exchange, and Amazon TAM/UAM.
• Execute technical migrations and updates for header bidding wrappers, including bidder parity testing and staged rollouts.
• Implement consent and identity solutions, including CMPs, IAB TCF v2.2, Google Consent Mode, AdFixus, PPID, and LiveRamp user ID modules.
• Support video advertising technical setups using JW Player, Google IMA SDK, VAST tags, and video header bidding.
• Maintain ads.txt and sellers.json alignment across all brand domains, as well as the supply chain object (schain) in bid requests.
• Build new ad formats (sticky, in-article, high-impact) with reserved space to prevent layout shifts and protect Core Web Vitals (CLS, INP, LCP).
• Measure, analyze, and diagnose delivery faults and browser-level execution using Google Publisher Console, Prebid debug mode, ChromeDevTools, and network proxy tools (e.g., Charles).
• Monitor bid rates, win rates, timeouts, latency, and fill by SSP, and investigate revenue or impression discrepancies between Google Ad Manager, SSPs, and wrapper reporting.

Strategy & Cross-funtional leadership

• Own technical standards for ad code on Express, advising the Ad Tech Lead and Commercial teams on technical trade-offs, demand partners, wrapper changes, and page performance impacts.
• Work closely with Ad Ops and Commercial teams on delivery issues, key-value targeting, and private marketplace (PMP) or programmatic guaranteed (PG) deals.
• Partner with external vendors, SSPs, header bidding wrapper partners, and identity providers on technical integrations, support escalations, and troubleshooting.
• Collaborate with Sites & Experience developers, QA teams, and third-party development partners (e.g., The Code Company) on ad code releases, layout adjustments, and repository changes.
• Maintain up-to-date technical documentation, including slot taxonomy, bidder configuration, key-value dictionaries, and incident runbooks.
• Communicate clearly across internal and external stakeholders—from commercial leaders and developers to data, audience, and ad tech squad members.

What we're looking for?

• Essential
  • 4+ years of hands-on ad tech engineering experience at a publisher, ad network, or ad tech vendor.
  • Strong proficiency in JavaScript with the ability to read, write, and debug third-party ad code in the browser.
  • Deep expertise in Google Ad Manager 360 and GPT (slot definition, size mapping, single request, lazy load, refresh, key-value targeting, line item priorities).
  • Hands-on experience with production Prebid.js (bidder adapters, ad units, timeouts, price granularity, floors, user ID modules) and working knowledge of Prebid Server.
  • Hands-on integration experience with major SSPs (Magnite, PubMatic, Index Exchange, OpenX, TripleLift), Google Open Bidding, and Amazon TAM/UAM.
  • Proven experience working with managed or self-hosted header bidding wrappers and managing migrations.
  • Strong knowledge of consent and identity frameworks (CMPs, IAB TCF v2.2, Google Consent Mode, PPID, ID solutions). Hands-on experience managing ads.txt, sellers.json, and supply chain objects (schain).
  • Deep understanding of how ad delivery impacts Core Web Vitals (CLS, INP, LCP) and strategies to optimize page performance.
  • Proficiency in technical debugging using Google Publisher Console, Prebid debug mode, Chrome DevTools, and proxy tools (e.g., Charles).
• Highly Regarded & Desirable:
  • Experience investigating revenue and impression discrepancies across ad servers, SSPs, and wrapper reporting.
  • Hands-on experience with video advertising (VAST, Google IMA SDK, JW Player, video header bidding).
  • Exposure to identity solutions (LiveRamp, UID2, AdFixus) and header bidding analytics/monitoring tools (e.g., Pubstack, Google Ad Manager reporting API, SQL).
  • Familiarity with ad quality/brand safety tools, OpenRTB auction mechanics, and WordPress environments.
  • Experience setting up private marketplaces (PMP) and programmatic guaranteed (PG) deals.
  • Exposure to cloud platforms (AWS) or previous experience working within an Australian publisher environment.
  • Bachelor's degree in Computer Science, Information Technology, or a related field.

Join the awesome team and enjoy these benefits & perks:

• Medical, Dental Coverage and Life insurance from day 1 of employment
• Paid Vacation and Sick Leave (with Quarterly Sick Leave Conversion)
• Competitive salary package and annual appraisal
• Financial Assistance Program
• Mandatory Government Benefits and 13th Month Pay
• Complimentary Sleeping Quarters, Coffee at no cost
• Complimentary Office Fitness and Wellness Facilities at no cost
• Regular Company Events, Work Life Balance, and Career growth opportunities
• Accessible location at the heart of Metro Manila --- the Mega Tower, EDSA

Equal Employment Statement

Employment decisions at ConnectOS will be conducted without consideration of factors such as age', race, color, religion, gender, disability status, sexual orientation, gender identity or expression, genetic information, and marital status. ConnectOS ensures the full confidentiality of the data it processes.