[Hiring] Fullstack Engineer / AdTech @MWDN

Role Description

We're looking for a Senior Full Stack Developer to join our engineering team and help shape the future of programmatic advertising. You'll architect and build high-performance systems that process millions of ad transactions in real time, while leveraging cutting-edge AI technologies to optimize outcomes for our partners.

This role sits at the intersection of ad-tech and AI, working with massive-scale systems and sub-millisecond latency requirements. You’ll own the full development lifecycle from architecture to deployment, collaborating with a modern, high-performing engineering team.

Qualifications

• 7+ years of professional software development experience
• 3+ years working in programmatic advertising or ad-tech
• Strong proficiency in JavaScript/TypeScript, React, Node.js, and Python
• Hands-on experience with Prebid.js, Prebid Server, or similar header bidding solutions
• Working knowledge of OpenRTB protocol and bid stream mechanics
• Experience integrating with ad servers (Google Ad Manager, custom ad servers) and SSP/DSP platforms
• Understanding of auction dynamics, floor pricing, and yield optimization strategies
• Familiarity with video advertising (VAST, VPAID) and CTV/OTT environments is a plus

Requirements

• Ad-Tech Stack:
• SSP/DSP platforms: Magnite (Rubicon), PubMatic, Index Exchange, Xandr (AppNexus), OpenX, Amazon TAM
• Header bidding: Prebid.js, Prebid Server, Amazon TAM/UAM, Google Open Bidding
• Ad servers: Google Ad Manager (GAM/DFP), custom ad serving solutions
• Protocols: OpenRTB 2.5/2.6, VAST 4.x, VPAID, ads.txt, sellers.json, SupplyChain Object
• Privacy/Consent: TCF 2.2, GPP, CMP integration, GDPR/CCPA compliance
• Development Stack:
• Frontend: React, TypeScript, Next.js
• Backend: Node.js, Python, FastAPI, Express
• Data: PostgreSQL, Redis, Kafka, ClickHouse
• Infrastructure: AWS, Kubernetes, Terraform, Cloudflare Workers
• Nice to Have:
• Experience building or contributing to ad server platforms
• Familiarity with AI/ML applications in ad-tech (bid optimization, contextual targeting)
• Background in publisher-side monetization or ad ops
• Experience with mobile advertising SDKs and in-app monetization
• Knowledge of identity solutions (UID2, ID5, LiveRamp) and cookieless targeting

Benefits

• People-first management with minimal bureaucracy
• A friendly company culture, proven by employees who choose to return
• Flexible working hours
• 29 days of PTO (18 working days per year plus all national holidays)
• 10 paid sick days
• Full financial and legal support for independent contractors
• Free English classes, with native speakers or Ukrainian teachers
• Dedicated HR support

Company Description

MWDN is an international recruitment and outstaffing company with 23+ years of experience connecting exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. In this role, MWDN acts as the recruitment partner, and the selected candidate will work directly with the client’s team on their product in an international environment.

MWDN is ranked among the top 5 IT employers in our region according to DOU. We take pride in our transparency and strong commitment to our team.