Senior Software Engineer (AI Products) (United States)

We're Karat, the world's largest interviewing company.

Karat is the gold standard in technical talent measurement, empowering organizations to evaluate, benchmark, and elevate the quality of their engineering teams. Trusted by global leaders such as PayPal, Atlassian, and Citi, Karat’s innovative assessments, live expert-led technical interviews, and unmatched talent insights help companies hire top talent and drive engineering excellence.

Come join our Engineering team

Our Software Engineering team is dedicated to building the world’s most predictive, inclusive, and fair interviewing products for our clients and technical candidates alike.

What you will do

As a Senior Software Engineer at Karat, you'll work on our flagship interviewing platform with opportunities to contribute to our AI Products initiatives. You'll build robust, scalable full-stack solutions while helping to implement AI-enhanced features that transform technical talent assessment. You'll collaborate closely with product and engineering leadership to execute on our vision of more predictive, inclusive, and fair technical interviewing.

• Design and develop sophisticated full-stack systems that power our next-generation interview platform, incorporating AI capabilities where they add the most value.
• Build scalable, production-ready infrastructure and services that maintain high standards of performance, reliability, and security.
• Create intuitive interfaces and APIs that serve interviewers, candidates, and hiring teams effectively.
• Collaborate with cross-functional teams (product managers, designers, data scientists) to translate complex requirements into elegant technical solutions.
• Contribute to architecture decisions that balance innovation with reliability, ensuring our platform evolves while maintaining enterprise-grade stability.
• Serve as a technical leader by sharing expertise across engineering teams, promoting best practices, and elevating the overall technical capability of the organization.
• Balance short-term deliverables with long-term technical health, addressing both customer-facing features and foundational infrastructure.

The experience you will bring

• 7+ years developing and launching web applications/systems into production environments
• Experience with or exposure to AI/ML technologies and understanding how they can enhance assessment and interviewing products
• Experience integrating LLM APIs, familiarity with knowledge-enhanced language model pipelines, and ability to evaluate and improve AI feature performance
• Strong analytical and problem-solving skills with the ability to balance technical tradeoffs
• Strong proficiency in Ruby, Python, TypeScript/JavaScript, or similar languages with experience in modern web frameworks and REST and GraphQL API design
• Experience with system architecture, database design, cloud infrastructure, and deployment technologies (AWS, GCP, or Azure)
• Knowledge of software engineering best practices including CI/CD, testing strategies, and performance optimization
• Ability to work effectively in cross-functional teams with excellent communication skills; can translate complex technical concepts for diverse stakeholders
• Demonstrated ability to provide technical leadership, including mentoring teammates and driving technical decisions
• Interest in technical interviewing, talent assessment, or educational technology is highly valued

This position is only available to candidates residing in the following U.S. states: CT, Washington, D.C., FL, GA, IL, KS, MA, MD, MO, NC, NV, OR, PA, RI, SC, TX, VA, and WA. While our team operates 100% remotely, we are currently limiting hiring to these specific locations. Applications from other states will not be considered at this time.

Immigration sponsorship is not available.

Benefits of joining Karat in the United States

All U.S.-based offers include a competitive salary in local currency and Karat-granted stock options. We’re proud of our additional offerings, and highlight some of our team’s favorites below. 

Benefits / Wellness:

Benefits are available for all full-time, U.S. employees

• Employer-sponsored healthcare (100% premium coverage for employees and 75% premium coverage for eligible dependents)
  • Medical (Regence PPO and HDHP available)
    • HSA employer contribution for those enrolled in the HDHP medical plan
  • Dental and Vision (Guardian)
• 100% employer-paid Short-Term Disability, Long-Te