The Role
As a Senior Software Engineer, you'll lead backend services design and development, mentor junior engineers, and ensure system reliability through testing. Collaborate with multiple teams for impactful projects.
Summary Generated by Built In
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.
Now, we’re growing—and looking for passionate engineers to help shape the future.
The role
We are growing our team with passionate 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.
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)
- Medical, dental & vision coverage (some plans 100% employer-paid)
- 12 weeks paid parental leave
- Unlimited PTO + Work-From-Anywhere August
- Career development with clear advancement paths
- Equity for all employees
- Hybrid work model & daily team lunch
- Health & wellness stipend + cell phone reimbursement
- 401(k) with employer match
- Parking (CA & WA offices) & pre-tax commuter benefits
- Employee Assistance Program
- Comprehensive onboarding (Cognitiv University)
- …and more!
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.
Highlights include:
Salary:
Cognitiv is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive workplace for all.
Top Skills
.Net Core
.Net Framework
AWS
Azure
C#
GCP
Postgres
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The Company
What We Do
Cognitiv offers the leading custom AI for marketers. We use deep learning applications to predict consumer purchase behavior and drive scalable outcomes at the most efficient price. Together, let's find your customers, scale your results, build your business and drive intelligent performance.
