Senior Backend Engineer (AdTech)
PM Tool
Job description
About the role
A cybersecurity company that builds products for high-traffic environments is hiring a Senior Backend Engineer for its Vast Gateway project. The gateway is a high-throughput edge proxy built on Cloudflare Workers that handles tens of millions of requests per day in the video advertising delivery flow, retrieving and processing VAST responses, applying malicious ad protection logic for VPAID creatives and consolidating multiple VAST documents into a single XML response.
Key responsibilities
- Take end-to-end ownership of the Vast Gateway service
- Maintain, develop and extend platform functionality
- Design and implement scalable back-end solutions for high-load environments
- Support client onboarding, including integrations, monitoring setup, troubleshooting and optimization
- Build custom features and integrations based on customer requirements
- Monitor system performance and identify optimization opportunities
- Ensure service reliability, availability and low-latency performance
- Participate in release planning, deployments and production support
- Improve observability through monitoring, alerting and operational tooling
- Collaborate with Product and engineering stakeholders to evolve the platform architecture
Required profile
- 5+ years of commercial back-end development experience
- Strong expertise in server-side JavaScript or other back-end technologies
- Commercial experience in AdTech environments
- Proven experience supporting production systems in high-load environments
- Understanding of debugging, monitoring, hotfixing and zero-downtime deployments
- Ability to independently own services and drive technical improvements
- Upper-intermediate English or higher; strong communication in distributed teams
Required skills
- Cloudflare Workers (expert)
- Server-side JavaScript (expert)
- AdTech and high-load systems (strong)
- HTTP protocols (expert)
- HTML and tracking pixels
- Scalable, highly available distributed systems
- Plus: VAST protocol, VPAID creatives, edge computing, performance optimization
What we offer
- Diversity of domains and businesses
- Variety of technologies
- Health and legal support
- Active professional community and continuous education
- Flexible schedule and remote work
- Sports and community activities
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Published 5 days ago
Expires 1 month from now
12 views · 0 interested
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