Software Development Engineer III (Advertising Technology)

TL;DR

Software Development Engineer III (Advertising Technology): Building and optimizing high-performance backend services for an advertising marketplace with an accent on API design, scalable distributed systems, and integration of AI. Focus on developing ad serving, ad selection, and campaign management systems, solving complex concurrency challenges, and ensuring reliability under heavy traffic.

Location: This role is primarily based in Seattle, Washington, United States, with a flexible work model. Candidates must have US work authorization and be able to work from this location.

Salary: $146,000.00 – $204,500.00

Company

hirify.global is a global travel technology company focused on powering travel for everyone, everywhere.

What you will do

• Optimize auction and ad retrieval to surface more relevant ads and grow advertiser reach.
• Implement backend APIs and services for high-quality UI experiences, delivering trust and performance to partners.
• Build and scale services supporting ad serving, ad selection, and campaign management across hirify.global’s network.
• Improve reliability, scalability, and latency of mission-critical systems.
• Collaborate with ML and data teams on features like relevance optimization and targeting.
• Use LLMs and generative AI to simplify advertiser workflows and automate tasks.

Requirements

• Bachelor's degree in Computer Science or related technical field, or equivalent professional experience.
• 5+ years of relevant professional experience.
• Strong proficiency in at least one modern programming language (e.g., Java, Kotlin).
• Experience building and maintaining backend services, APIs (gRPC/Protobuf), or microservices in cloud environments.
• Solid understanding of distributed systems, data flows, and operational best practices.
• Familiarity with AI-driven systems and applying AI/ML concepts to real-world products.

Nice to have

• Experience with tools and frameworks like gRPC, Apache Flink, Spark.
• Experience with advertising technologies (ad serving, campaign management, RTB, auctions).
• Experience working with data-driven systems, ML-powered features, or experimentation platforms.
• Experience applying generative AI to product experiences and internal tools.

Culture & Benefits

• Comprehensive benefits package including exciting travel perks and discounts.
• Generous time-off and parental leave policies.
• Flexible work model with access to modern office spaces.
• Resources for career development to fuel employees' passion for travel.
• Commitment to an inclusive work environment with a diverse workforce.
• Recognized as a Best Place to Work and for award-winning culture by Forbes and Glassdoor.