Ad Tech Developer

Overview Ad Tech Developer with in-depth expertise in header bidding to build, optimize, and scale programmatic monetization for premium publishers. You’ll own end-to-end header bidding implementations (heavy on Prebid.js), improve auction performance, and partner with product, yield, and publisher success teams to deliver revenue-lifting results with excellent user experience. What You’ll Do Design & implement header bidding stacks using Prebid.js (web) and related wrappers; configure bidders, floors, price granularity, userId modules, and analytics Customize & extend adapters/modules (e.g., userId, analytics, consent) and contribute clean, documented JavaScript/TypeScript code Integrate with GAM/Ad Manager (GPT): line item strategy, key-values, creative templates, and troubleshooting of delivery and competition Optimize auctions & latency: tune timeouts, s2s vs. client, floors, ad refresh logic, and page performance (CLS/LCP/INP/Core Web Vitals)Run experiments: A/B test bidders, formats, and page placements; build dashboards to track impact (e.g., eCPM, viewability, fill, latency)Debug complex issues across browser, network, and auction layers (DevTools, HAR/Waterfall, Charles/Proxyman); resolve revenue dips & bidder errors Implement privacy & compliance: IAB TCF, GDPR/CCPA/CPRA, CMP integration, consent storage, and geo-specific behaviors Work with partners: SSPs, exchanges, ID providers, and analytics vendors to launch new demand and troubleshoot Ship quality safely: use Git, CI/CD, code review, and observability to keep releases fast and reliable Document & mentor: write clear runbooks and help level up teammates What You’ll Bring 3–6+ years of front-end or full-stack experience with a strong JavaScript foundation (TypeScript a plus)2–4+ years hands-on with header bidding (Prebid.js required); experience with s2s/managed wrappers (e.g., Prebid Server, Amazon TAM/UAM) is a plus Solid understanding of Google Ad Manager (GAM/GPT) setups, line items & creatives, key-values, targeting, and delivery debugging Working knowledge of programmatic concepts: OpenRTB, floors, auction dynamics, user sync/ID, brand safety, and viewability Familiarity with privacy frameworks & CMPs (IAB TCF v2.x, GDPR/CCPA/CPRA) and consent-aware ad serving Performance tuning for Core Web Vitals and modern build tools (Webpack/Vite/Rollup)Comfort with Chrome DevTools, network waterfalls, and log-driven debugging; bonus points for Node.js, Cloud Functions, or simple backend endpoints Data fluency: basic SQL or BI tools (Looker/Data Studio/BigQuery) for revenue & latency analysis Clear communication with both technical and non-technical stakeholders; bias for automation and measurable outcomes Nice to Have Experience with app/webview monetization, AMP, or SPA frameworks (React/Vue/Svelte)Prebid analytics adapters or custom reporting pipelines Experience with ads.txt/app-ads.txt, sellers.json, supply chain object Knowledge of brand safety & IVT controls, creative QA, and MRC viewability standards Exposure to video (IMA/OMSDK, Prebid Video, VAST/VPAID/VMAP) or CTV/OTT Knowledge in Python and NoSQL is a plus Why MonetizeMore Remote-first culture with flexible work hours Impact at scale across a large publisher network Smart, low-ego teammates and a culture of experimentation Competitive compensation, performance bonus, home-office stipend, and learning budget. Job Details Seniority level: Mid-Senior level Employment type: Full-time Job function: Engineering and Information Technology Industries: Internet Publishing Note: This description reflects the role and not any specific candidate or posting date. Get notified about new Technical Developer jobs in Singapore, Singapore. #J-18808-Ljbffr