Job VC
Senior Full Stack Developer
Technologies
Description
What makes you a great fit:
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
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
Your day-to-day in this position:
Design and develop full-stack applications for programmatic advertising workflows using React, Node.js, and Python
Build and maintain integrations with major SSPs (Magnite, PubMatic, Index Exchange, Xandr, OpenX) and DSPs
Implement and optimize Prebid.js and Prebid Server configurations for header bidding
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
Implement ads.txt, sellers.json, and supply chain transparency tools
Ensure compliance with privacy frameworks (GDPR, CCPA, TCF 2.2) and consent management
Collaborate with product, partnerships, and data teams to deliver end-to-end solutions
Why work with us?
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 pluse 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
Our next steps:
✅ Intro with the client — ✅ Tech interview — ✅ Home assignment — ✅ Final client interview
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
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
Your day-to-day in this position:
Design and develop full-stack applications for programmatic advertising workflows using React, Node.js, and Python
Build and maintain integrations with major SSPs (Magnite, PubMatic, Index Exchange, Xandr, OpenX) and DSPs
Implement and optimize Prebid.js and Prebid Server configurations for header bidding
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
Implement ads.txt, sellers.json, and supply chain transparency tools
Ensure compliance with privacy frameworks (GDPR, CCPA, TCF 2.2) and consent management
Collaborate with product, partnerships, and data teams to deliver end-to-end solutions
Why work with us?
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 pluse 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
Our next steps:
✅ Intro with the client — ✅ Tech interview — ✅ Home assignment — ✅ Final client interview