At Cognitiv, we’re not just building technology—we’re redefining what’s possible in advertising. Since 2015, we’ve led the charge in AI-powered media buying with our Deep Learning Advertising Platform. By combining advanced data science with cutting-edge machine learning, we help brands connect with their customers in more precise, relevant, and impactful ways.
Now, we’re growing—and looking for passionate engineers to help shape the future.
The role
We’re building a new Systems and Tools team, and we need talented Senior Software Engineers to help build the core services that support our platform and products. You'll work on highly visible, impactful projects that directly serve both our clients and internal teams—partnering closely with Product, Sales, and Business Development.
Base Salary + Equity
What You'll Do
Lead the design, architecture, and development of backend services
Own and operate high-performance systems using C# and Postgres
Mentor junior engineers through code reviews, design sessions, and pair programming
Build automated testing and benchmarking systems to ensure reliability and speed
Who You Are
5+ years of backend development experience with .NET Framework/Core
Skilled in relational database design and implementation (Postgres, MSSQL, Oracle, etc.)
Comfortable working with major cloud platforms (AWS, GCP, Azure)
Experienced in owning services end-to-end—from planning to deployment
Strong communicator who can explain complex ideas clearly and concisely
Collaborative, proactive, and driven to build things that matter
Bonus Points If You Have
Experience building data-driven systems
AdTech knowledge or industry experience
A deep interest in scalable, intelligent systems
What You’ll Find at Cognitiv
Festiv – We make work fun with cross-team games, events, and creative team bonding.
Responsiv – You’ll be close to clients and leadership, influencing real outcomes.
Inclusiv – Diversity and individuality are celebrated across all levels.
Inventiv – We reward curiosity and embrace bold ideas.
Transformativ – We support your growth with training, mentorship, and flexibility.
Collaborativ – We operate across coasts, connected by purpose and teamwork.
Location & Compensation
Location: New York City (hybrid: 3 days in-office, 2 days remote)
Compensation is based on experience, skills, and other factors. Base salary is just one part of your total rewards at Cognitiv—you’ll also receive equity and a comprehensive benefits package.
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