Cognitiv

Machine Learning Engineer

• We’re seeking a Machine Learning Engineer to help build and scale the next generation of Cognitiv’s ML infrastructure.
• You’ll work across the full ML lifecycle — from data ingestion and model training to deployment and monitoring — helping to improve automation, reliability, and performance.
• Contribute to the design, development, and automation of ML workflows across data ingestion, training, deployment, and monitoring.
• Build and maintain scalable data pipelines that support high-volume model training and evaluation.
• Partner with senior engineers to optimize system performance and reduce operational bottlenecks.
• Collaborate closely with Product, Engineering, and ML Research teams to deliver reliable, high-impact systems.
• Write clean, production-level Python code and participate in code reviews to maintain quality and consistency.
• Help improve monitoring and observability across ML pipelines to ensure reliability in production.

Recruitment

• Own Full-Cycle Recruiting: Lead the end-to-end hiring process — from job posting, sourcing, and screening to interviewing and offer negotiation — across both technical and non-technical roles.
• Drive TA Projects & Results: Take ownership of key talent acquisition initiatives. Define success metrics, manage timelines, and deliver measurable outcomes that improve time-to-fill, conversion rates, and candidate quality.
• Influence & Partner: Act as a trusted advisor to hiring managers and leadership. Influence hiring decisions through data and insights, train interviewers, and help elevate recruiting practices company-wide.
• Collaborate Across Teams: Build strong partnerships with HRBPs, Hiring Partners, and cross-functional stakeholders to prioritize hiring needs and align on strategy.
• Leverage Data & Systems: Use recruiting metrics, dashboards, and tools to identify trends, optimize workflows, and maintain operational excellence.
• Deliver Exceptional Candidate Experiences: Provide timely, transparent communication and a high-touch experience that reflects our culture and values.
• Champion the Brand: Represent and amplify our employer brand through every candidate interaction and creative outreach initiative.
• Bring Market Insights: Stay current on industry trends, compensation benchmarks, and competitor activity to inform talent strategy and influence business decisions.

Talent Acquisition Partner

Backend Engineer

• Build and maintain scalable, reliable backend systems that power integrations across multiple products.
• Collaborate with cross-functional teams (Business Development, Product, Customer Success) to define requirements and deliver solutions that enable new business opportunities.
• Dive deep into a large, multi-product codebase — debugging, optimizing, and improving backend performance.
• Write clean, maintainable, and well-tested code with a strong focus on operational excellence.
• Ensure backend systems are well-documented, observable, and resilient in production.
• Identify opportunities to automate processes, improve performance, and enhance system reliability.

Senior Software Engineer, Backend

• Design, implement, test, optimize, and maintain our core platform in the form of robust libraries and software development tools with a focus on high performance and reliability.
• Design complex software systems and participate in thorough, constructive reviews.
• Collaborate with cross-functional teams to align on project goals and deliver high-quality solutions.
• Own the entire service management lifecycle for the systems you work on.

Senior Software Engineer, C++ Real-time Systems

Data Analyst

• Analyze large data sets to find patterns and actionable insights to help address performance issues and identify drivers of performance for campaigns. Deliver presentations of findings to technical and business stakeholders
• Help architect, plan, and implement how our team should approach analyzing marketing performance for new and existing products
• Collaborate with cross-functional partners to understand business needs and prioritize tasks accordingly
• Monitor campaigns, models and internal systems to understand bidding behavior and optimize campaign performance
• Enhance our team’s monitoring capabilities through scheduled pipelines, dashboards and notebooks
• Set up and evaluate user-based and geographic experiments

Senior Data Analyst

DevOps Engineer

• Expand global footprint of datacenters and improve service management across Cognitiv
• Rapidly expand hybrid cloud infrastructure and design, implement, maintain infrastructure across datacenters and hybrid cloud deployments
• Assess physical and network architectures for scalability, reliability, and cost efficiency
• Improve monitoring, incident management, and disaster recovery, including migration to Datadog
• Implement and own Infrastructure as Code and automation using Terraform, Ansible, Python, and Bash
• Monitor and maintain shared infrastructure in AWS ensuring availability and stability
• Collaborate with engineering and product teams to tightly scope projects to core business requirements
• Lead major service management initiatives and drive long-term engineering practice improvements

Senior Site Reliability Engineer

Analyst

• Coordinate cross-functionally with Client Success, Science, Engineering, and Sales to drive campaign performance
• Independently represent campaign performance to Client Success, Sales, and AdOps
• Qualify campaigns, ensuring appropriate data source, attribution, KPI, BM, filtering and data source
• Monitor campaigns and establish and execute campaign improvement plans
• Dive deep into bidding logic to identify opportunities to drive greater performance
• Identify analyses to inform campaign setup (delivery, performance, margin) and recommend next steps
• Propose, launch, and evaluate campaign performance improvement experiments and document outcomes
• Access and query complex datasets to inform decisions
• Build custom attribution pipelines as needed
• Automate manual tasks or create clear requests for automation
• Recommend process improvements to improve cross-team collaboration
• Build high-utility dashboards or pipelines
• Identify new product capabilities, automation opportunities, and platform improvements

Programmatic Analyst II

• Design, implement, and maintain infrastructure across datacenters and hybrid cloud deployments
• Assess physical and network architectures for scalability, reliability, and cost efficiency
• Improve monitoring, incident management, and disaster recovery (including migration to Datadog)
• Implement infrastructure as code with Terraform and Ansible, automate using Python and Bash
• Monitor and maintain shared infrastructure in AWS ensuring availability and stability
• Work closely with engineering and product teams to scope projects to core business requirements
• Lead major service management initiatives and drive long-term roadmap

Research Scientist

• Optimize ML models – Improve predictive accuracy, inference speed, and efficiency in AdTech applications.
• Experiment & tune – Run hyperparameter tuning, explore new architectures, and fine-tune models to move the needle on key business metrics.
• Build strong datasets – Help construct and preprocess high-quality training data for ML pipelines.
• Run experiments – Conduct PyTorch experiments and evaluate results using clear, measurable metrics.
• Deploy at scale – Collaborate with researchers and engineers to build scalable ML pipelines for smooth deployment and iteration.
• Stay ahead of the curve – Keep up with deep learning research and propose novel approaches for model improvement.
• Communicate findings – Present research and experimental outcomes in clear reports that influence decision-making.

Research Scientist Intern, Machine Learning

• Design, build, and own backend services in .NET Core on AWS.
• Lead development of new versions of high-growth systems in pixel-less ad targeting.
• Modernize and scale one of our critical legacy systems (internet crawling).
• Collaborate with a small, senior team (2 SDE IIIs, 1 SDE II, CTO, and more senior hires coming).
• Take full ownership of systems end-to-end, from design to production operations.
• Drive improvements in performance, scalability, and developer productivity across the team and the engineering organization.

Senior Software Engineer, Backend, .NET

Events

Cognitiv is seeking an Events Marketing Manager to help expand our brand presence and generate high-quality leads through impactful events and marketing activations.
This role will focus on executing a range of event programs—owned, sponsored, and industry conferences—that support brand awareness, thought leadership, and revenue growth.
The Events Marketing Manager will report to the Associate Director, Event Marketing and work closely with the broader Marketing, Sales, and Client Success teams.
This position will be located in our New York City office with a hybrid work schedule of 3 days in office (Mon/Tue/Wed) and 2 days remote optional (Thursday/Friday).

Event Marketing Manager

Account Executive

• Are you ready to revolutionize the advertising industry? At Cognitiv, we are not just another AdTech company—we are industry trailblazers redefining media buying with our Deep Learning Advertising Platform. Since 2015, we have harnessed the power of cutting-edge deep learning technology and data science to transform how brands connect with their customers. Our mission? To bring intelligence to advertising and deliver unparalleled precision, relevance, and impact at scale.
• With our innovative platform, advertisers enjoy unprecedented flexibility—whether it is activating Dynamic Deals through their preferred DSP, leveraging our managed service DSP, or utilizing our industry-first ContextGPT product. As a part of Cognitiv, you will be at the forefront of AI-driven advertising solutions, driving change and achieving remarkable growth in a rapidly evolving industry.
• Life At Cognitiv
• Our solutions provide advertisers with more time and freedom to concentrate on what matters to them most, both professionally and personally. We carry this philosophy into our workplace, offering our employees more chances to grow, collaborate, and achieve their goals. At Cognitiv, you will get MORE:
• Festiv - Fun and positivity are integral to our work environment. From cross-departmental games to friendly competitions and unique events, we ensure a dynamic and enthusiastic culture.
• Responsiv - Making a difference for our clients is at the heart of what we do. To make this one of our superpowers, we strive to create a culture of open communication and continuous learning. You will work closely with clients and key company stakeholders, sharpening your communication skills in a supportive environment where your input and ideas are valued and integral to our success.
• Inclusiv - Diversity and inclusion are more than just words to us—they are principles we live by. We celebrate unique perspectives, ensuring everyone feels valued and respected.
• Inventiv - As industry pioneers, we continuously reinvent and reimagine solutions. Sharing our knowledge and expertise to educate and lead the market is part of our DNA. If you love questioning the status quo, pushing boundaries, and challenging conventional thinking, you will fit right in. We admire intellectual curiosity and encourage it at every turn.
• Transformativ - We invest in the continuous growth and development of our team members, celebrating their contributions and supporting their work-life balance and overall well-being. Our holistic training, onboarding programs, and professional growth and development initiatives ensure you have the resources to succeed.
• Collaborativ - We transcend geographical boundaries, seamlessly operating across two coasts. Our culture thrives on cross-departmental collaboration and a unified sense of purpose, making teamwork a cornerstone of our success.

The successful candidate is a self-motivated, seasoned professional who can identify real opportunities with a flair for a conversational, consultative approach to sales at the highest levels. As a close knit company, a winning personality and competitive spirit are required in order to fit our fun, empowering, high performance culture.

This position will be located in New York City with a hybrid work schedule of 3 days in office (Mon/Tue/Wed) and 2 days remote (Thursday/Friday).

Senior Account Executive - AdTech

Revenue Operations

• Are you ready to revolutionize the advertising industry? Cognitiv is an AdTech company leveraging AI-driven advertising solutions to deliver precision and scale.
• Our platform offers Dynamic Deals, a managed service DSP, and ContextGPT for advertisers.
• Life At Cognitiv — more opportunities to grow, collaborate, and achieve goals.
• Festiv, Responsiv, Inclusiv, Inventiv, Transformativ, Collaborativ define our culture.
• We are looking for a data-driven Sr. Revenue Operations Manager to partner with Sales & Marketing on reporting, analytics, Salesforce management, forecasting, and sales automation tools.
• This position is in New York City with a hybrid schedule (3 days in office, 2 remote).

Senior Revenue Operations Manager

Customer Success Manager

• Cognitiv is an AI-first AdTech company with a Deep Learning Advertising Platform.
• Since 2015, leveraging deep learning and data science to transform media buying.
• Platform flexibility: activate Dynamic Deals through DSP, managed service DSP, ContextGPT.
• Life At Cognitiv: Festiv—fun culture; Responsiv—open communication; Inclusiv—diversity; Inventiv—innovation; Transformativ—growth; Collaborativ—collaboration.
• Director of Client Success: lead growing team of account managers; oversee US client base; cross-functional with Sales, Marketing, Data Science.
• Location: New York with hybrid schedule 3 days in office (Mon/Tue/Wed) and 2 days remote (Thu/Fri).

Machine Learning Engineer

Talent Acquisition Partner

Senior Software Engineer, Backend

Senior Software Engineer, C++ Real-time Systems

Senior Data Analyst

Senior Site Reliability Engineer

Programmatic Analyst II

Senior Site Reliability Engineer

Research Scientist Intern, Machine Learning

Senior Software Engineer, Backend, .NET

Event Marketing Manager

Senior Account Executive - AdTech

Senior Revenue Operations Manager

Director, Client Success