Description:

Yobi is a rapidly growing Behavioral AI company focused on ethically democratizing the benefits of data and AI.
The company has built one of the largest consented behavioral datasets in the United States since 2019, extending beyond traditional Big Tech.
Yobi constructs foundation models of human behavior based on real-world actions like purchases and store visits.
The company emphasizes private-by-design modeling for state-of-the-art personalization and decision-making while ensuring privacy, safety, and ethics.
Yobi aims to bring the performance of closed-web user acquisition to the open web and connected TV.
The role of Tech Lead / Senior Software Engineer involves leading the design and implementation of systems for the real-time ML-based advertising stack.
This senior position includes owning a major product bet, mentoring engineers, and driving architectural direction while spending over half of the time on building.
Responsibilities include working on low-latency decisioning, data pipelines, and service orchestration layers to enhance platform reliability, scalability, and developer-friendliness.
The work encompasses real-time bidding systems, cloud-native infrastructure, and reproducible deployment tooling.

Requirements:

Candidates must have experience leading multi-person or multi-team projects.
The ability to know when to empower or influence others and when to implement solutions personally is essential.
Deep systems experience is required, particularly in building or scaling distributed, high-throughput, low-latency systems in advertising, recommendations, or real-time domains.
Proficiency in compiled languages such as Go, Rust, C++, Scala, or Java is necessary, with a focus on writing clear, correct, and performant code.
Candidates should demonstrate architectural ownership by designing clean interfaces, modular service boundaries, and scalable deployment patterns.
An understanding of operational maturity, including observability, alerting, and reproducibility, is crucial, treating CI/CD and infrastructure as first-class citizens.
Mentorship and leadership skills are important, with the ability to lead by example and clarify ambiguity into actionable steps.
A startup mindset is preferred, balancing strong technical standards with pragmatism regarding shipping and refactoring.

The position offers a competitive base salary.
Employees receive meaningful equity and financial upside, representing a real percentage of the company.
An annual bonus target is based on personal and company performance.
Health, dental, and vision plans are provided, with most plans requiring little to no out-of-pocket expenses.
The company offers unlimited PTO, emphasizing impact over tracking days off.
A 401k plan with company match percentage is available for employees.

Skills

Benefits