Job Description

About the Company

Infillion is the first fully composable advertising platform, built to solve the complexity, waste, and opacity in the digital media ecosystem of the last decade. Born from $750 million in investment and the unification of category-defining technologies, including MediaMath, TrueX, Gimbal, Drawbridge, and most recently Catalina, Infillion engineered these powerful assets into scores of interchangeable, agentic-ready components.

Infillion provides a single, flexible infrastructure that serves media buyers, tech decision-makers, and media sellers. Whether through white-glove managed service, self-service control, or API-based automation, Infillion empowers businesses to execute their unique strategies with zero-hop efficiency, proprietary AI logic, and radical data transparency. Headquartered in New York City, Infillion powers the world's leading brands, agencies, and platforms. Learn more at www.infillion.com

About the Job

The Jr. AI Engineer role will develop AI automations and company-wide tools in support of the office of the COO. This role sits at the intersection of software development, AI, and business operations. An individual with expertise in software development, AI tools and an operational mindset will be deployed across the organization to help disseminate crucial information and efficiencies to teams.

What you’ll be doing:

• Design and develop generative AI Products that address real challenges across the organization
• Translate complex business problems into simple, scalable technical solutions
• Partner with stakeholders across departments (Ops, HR, Finance, and the Executive team) to identify inefficiencies and opportunities for AI automation
• Build and test backend AI components that combine data, logic, and model reasoning into workflows
• Contribute to architecture and implementation plans, helping connect models, data sources, and business processes crucial to Infillion’s management operating system
• Help design and implement solutions that streamline integration efforts as the Infillion portfolio of companies grows.
• Prototype quickly, test with users, and iterate based on feedback
• Document tools and create training resources to support adoption

What you have:

• 1–3 years of experience in software development (or strong equivalent project experience)
• Bachelor’s Degree in Computer Science or a related field
• Familiarity with APIs, databases, and basic system design
• Exposure to AI/ML concepts and tools (e.g., OpenAI APIs, embeddings, prompt engineering, automation tools)
• Full-stack capability: comfortable building both backend services and clean, functional frontends with proficiency in programming languages such as Python, JavaScript/TypeScript, etc.
• Excellent architectural judgment — ability to design modular, composable systems that evolve gracefully

Who you are:

• A proactive go-getter — you take ownership and are accountable for all you do, with the initiative to learn new skills on the fly
• An effective communicator — you know how to get your point across clearly regardless of who you’re speaking to
• An adaptable student — you are curious and eager to learn and are passionate about applying AI in real-world business contexts

Benefits & Perks

It’s no secret that we work hard, but we also strive to create an office environment where the lines between work and play are blurred. This means we offer these great perks to help keep our team healthy, productive, and happy.

• Base salary of $70,000 - $85,000
• 100% company-paid health, dental, and vision coverage for you and your dependents
• Company-paid life insurance, short-term, and long-term disability
• Unlimited paid time off - we trust your discretion
• Opportunities for profit sharing, bonuses, and ownership
• 401k plan with company match
• Cell phone reimbursement

We are committed to an inclusive and diverse work environment. Infillion is an equal opportunity employer. We do not discriminate based on race, color, ethnicity, ancestry, national origin, religion, sex, gender, gender identity, gender expression, sexual orientation, age, disability, veteran status, genetic information, marital status or any legally protected status.