Staff Software Engineer - Ads

Location: Remote - Americas

Company

hirify.global is a commerce platform that helps entrepreneurs and enterprises start and scale businesses, serving millions of merchants in 175 countries.

What you will do

• Design and optimize real-time ad serving, auction, and ranking systems against p99 latency targets.
• Solve complex advertising performance problems and identify optimization opportunities affecting millions of users.
• Collaborate with advertising data teams to integrate data-driven solutions into the ad platform.
• Build experimentation tooling for ad A/B testing.
• Document technical insights and share engineering best practices.
• Participate in on-call work to maintain the reliability and performance of advertising systems.

Requirements

• Strong engineering proficiency and a passion for exploring the limits of technology.
• Strong experience with streaming and low-latency systems, including Kafka, Flink or Spark Streaming, feature stores, and high-QPS caches or key-value stores such as Redis, Aerospike, or RocksDB.
• Experience building scalable, ad-centric applications that improve the commerce experience.
• Demonstrated problem-solving ability and innovative thinking in advertising technology.
• Excellent communication skills for conveying technical ideas effectively.
• A growth-oriented mindset with a continuous focus on improvement and innovation.

Nice to have

• Fluency in advertising metrics and levers, including CTR, CVR, CPC, CPM, CPA, eCPM, ROAS, LTV, win rate, fill rate, and pacing accuracy, including how to influence them.

Culture & Benefits

• Digital-first working environment.
• Fast-paced culture focused on rapid shipping, continuous improvement, and adapting to ambiguity and change.
• Opportunity to work on advertising technology impacting merchants and customers at scale.
• On-call responsibilities may be required.

Hiring process

• Be prepared to interview within one week of applying.
• The goal is to complete the full interview loop within 30 days.
• The process includes a live pair-programming session; candidates should bring their own IDE.