Principal Engineer
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Job Description
Principal Engineer evolving ad decision pipeline and enhancing ad serving systems for AI-driven ad tech infrastructure at Kevel. Collaborating with teams to ensure scalability, reliability, and new feature development.
Responsibilities:
- Evolve the ad decision pipeline, including balancing and pacing, indexing, filtering, selection, and budgeting.
- Improve the platform's architectural qualities, helping ensure our foundation provides the scalability, reliability, security, and performance our global customers require.
- Work closely with the product management team to help design and build new features.
- Help provide operational oversight for the platform, making sure we are up and running 24/7.
- Work closely with our customer success teams to deliver value and drive growth.
Requirements:
- Experience building and operating distributed systems in a cloud environment.
- Strong programming experience in at least one production backend language, ideally Clojure, Rust, Node.js, Java, Kotlin, Scala, or another JVM language.
- Experience designing or maintaining latency-sensitive systems with tight response-time requirements.
- Experience with HTTP-based APIs and production service integrations.
- Experience working with databases, including transactional data models.
- Comfortable participating in an on-call rotation with clear escalation paths.
- Strong AWS and/or GCP experience across compute, storage, messaging, networking, and IAM. (Preferred)
- Experience with infrastructure as code, such as AWS CDK, CDKTF, Terraform, or similar tools. (Preferred)
- Experience with event streaming or stream processing systems. (Preferred)
- Experience with observability platforms, including metrics, logs, alerts, tracing, and infrastructure monitoring. (Preferred)
- Experience improving testability and reducing feedback cycle times through unit, integration, simulation, or load testing. (Preferred)
- Experience refactoring existing distributed systems without changing external behavior. (Preferred)
- Experience working on high-throughput systems with sub-100ms response budgets. (Preferred)
- Experience with ad serving, auctions, pacing, budgeting, targeting, or real-time decisioning systems. (Nice To Have)
- Experience with functional programming or Clojure specifically. (Nice To Have)
- Experience modernizing legacy systems while keeping production systems highly available. (Nice To Have)
- Experience supporting globally distributed, multi-region services. (Nice To Have)
- Experience working closely with product and customer-facing teams on technical product features. (Nice To Have)
Benefits:
- Fully Remote Team: We are a 100% remote work environment with employees located around the world.
- Flexible Working Hours: We understand our employees have their own lives, responsibilities and working preferences.
- Comprehensive Health Benefits - Kevel provides 100% employer paid medical benefits for our employees and their children, plus comprehensive, affordable coverage for all other dependents.
- Savings opportunity for the Future: Kevel offers retirement savings plans with employer contributions so employees can save toward future financial objectives.
- Rest and Relaxation: Unlimited personal time off - and we mean it!
- We also offer Paid Holidays + a Kevel Holiday Break (from 12/24 - 1/1 every year!)
- Kevelfest: Our annual corporate retreat! The entire Kevel team gets together once a year for a four - day in - person event filled with collaboration, team building, celebration and fun!
- Home Office Stipend: You’ll receive a new windows or mac machine (your choice) + a $500 home office allowance to purchase what you need to set up your work space properly!
- Parental Leave Support: We support all parents with salary continuation and benefits when our employees are growing their families.
- Free press benefits : Kevel believes all employees should have access to legitimate news sources. You’ll receive a $300 annual allowance to subscribe to the news source of your choice.
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