Principal Engineer

This is a fully remote position, open to applicants in Hungary.

📋 Description

• Advance the advertising decision pipeline, which includes balancing and pacing, indexing, filtering, selection, and budgeting.

• Enhance the platform's architecture to ensure it meets the scalability, reliability, security, and performance needs of our global clientele.

• Collaborate closely with the product management team to design and implement new features.

• Provide operational oversight for the platform, ensuring continuous availability 24/7.

• Work in tandem with our customer success teams to deliver value and foster growth.

⛳️ Requirements

• Proven experience in building and managing distributed systems within a cloud environment.

• Strong programming skills in at least one production backend language, preferably Clojure, Rust, Node.js, Java, Kotlin, Scala, or another JVM language.

• Experience in designing or maintaining latency-sensitive systems with strict response-time requirements.

• Familiarity with HTTP-based APIs and integrating production services.

• Experience working with databases, including transactional data models.

• Willingness to participate in an on-call rotation with established escalation procedures.

• Preferred: Robust experience with AWS and/or GCP across compute, storage, messaging, networking, and IAM.

• Knowledge of infrastructure as code tools such as AWS CDK, CDKTF, Terraform, or similar technologies.

• Experience with event streaming or stream processing systems.

• Familiarity with observability platforms, including metrics, logs, alerts, tracing, and infrastructure monitoring.

• Experience in enhancing testability and minimizing feedback cycle times through unit, integration, simulation, or load testing.

• Proven ability to refactor existing distributed systems while maintaining external behavior.

• Experience with high-throughput systems that have sub-100ms response budget requirements.

• Nice To Have: Background in ad serving, auctions, pacing, budgeting, targeting, or real-time decision-making systems.

• Experience with functional programming or specifically with Clojure.

• Proven experience modernizing legacy systems while ensuring high availability of production systems.

• Familiarity with supporting globally distributed, multi-region services.

• Experience collaborating closely with product and customer-facing teams on technical product features.

🏝️ Benefits

• Fully Remote Team: We operate in a 100% remote work environment with employees situated worldwide.

• Flexible Working Hours: We recognize that our employees have their own lives, responsibilities, and working preferences.

• Comprehensive Health Benefits: Kevel provides fully employer-paid medical benefits for our employees and their children, along with comprehensive, affordable coverage for all other dependents.

• Savings Opportunity for the Future: Kevel offers retirement savings plans with employer contributions, enabling employees to save toward their financial goals.

• Rest and Relaxation: Enjoy unlimited personal time off - and we truly mean it!

• We also provide Paid Holidays and a Kevel Holiday Break (from 12/24 - 1/1 every year!)

• Kevelfest: Our annual corporate retreat! The entire Kevel team gathers once a year for a four-day in-person event filled with collaboration, team building, celebration, and enjoyment!

• Home Office Stipend: You will receive a new Windows or Mac machine (your choice) along with a $500 home office allowance to properly set up your workspace!

• Parental Leave Support: We offer salary continuation and benefits for all parents as they grow their families.

• Free Press Benefits: Kevel believes that all employees should have access to credible news sources. You’ll receive a $300 annual allowance to subscribe to your preferred news outlet.