Senior Machine Learning Engineer

Kikoff Inc.; San Francisco (CA); On-site; USD 244,000 - 292,000; Full time

Job summary

Kikoff Inc. in the United States is seeking a Senior Machine Learning Engineer to build and operate ML infrastructure and models for underwriting and other financial services.

You will work with data scientists, software engineers, and product managers to deploy scalable ML solutions, monitor performance, and run experiments to optimize outcomes.

We value ownership, collaboration, and continuous learning, with a competitive base range and opportunities for impact at scale.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, Mathematics, or related field; advanced degree preferred.
• Minimum of 3 years of experience in ML engineering with production deployments.
• Proficiency in Python or Ruby; strong CS fundamentals.
• Experience with TensorFlow or PyTorch; MLops and cloud/containerization experience.
• Ability to deploy scalable ML models and collaborate with cross-functional teams.

Responsibilities

• Design, build, and maintain ML infrastructure and data pipelines.
• Develop and deploy ML models for underwriting and financial services.
• Collaborate with data scientists, engineers, and product managers.
• Monitor model performance and drive continuous improvement.
• Lead A/B testing and experimentation; mentor junior engineers.

Skills

Python

Ruby

TensorFlow

PyTorch

AWS

GCP

Docker

Kubernetes

MLOps

Data pipelines

Statistical analysis

Problem solving

Communication

Education

Bachelor's degree in CS/Engineering/Math

Advanced degree preferred

Tools

Docker

Kubernetes

AWS

GCP

CI/CD tooling

Job description

Kikoff: The Fintech Powering Financial Security at Scale
Kikoff is a profitable, pre-IPO fintech company on a mission to empower everyone to achieve financial security. With record revenue growth in 2025 and a unicorn valuation, we've built a suite of products that help millions of people build credit, access liquidity, and save money.
We're scaling fast. Join us if you want to build something meaningful and help millions of people move forward financially.

Why Kikoff:

This is a consumer fintech startup, and you will be working with serial entrepreneurs who have built strong consumer brands and innovative products. We value extreme ownership, clear communication, a strong sense of craftsmanship, and the desire to create lasting work and work relationships. Yes, you can build an exciting business AND have real-life real-customer impact.

We are seeking a Senior Machine Learning Engineer to join our team. This role will focus on developing and maintaining machine learning infrastructure and operations, particularly for our cash advance underwriting model and other machine learning use cases. The ideal candidate will have a strong background in software development, machine learning, and data engineering, with experience in deploying scalable ML models in production environments.

Key Responsibilities:

• ML Infrastructure and Operations: Design, build and maintain the infrastructure required for optimal extraction, transformation, and loading of data from various sources. Develop and manage data pipelines and workflows for machine learning models.
• Model Development and Deployment: Design, develop, and implement machine learning models for underwriting and other financial service applications. Ensure models are robust, scalable, and maintainable.
• Collaboration: Work closely with data scientists, software engineers, and product managers to integrate machine learning models into production systems. Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.
• Performance Monitoring: Monitor and evaluate the performance of deployed models, ensuring they meet the desired accuracy and efficiency metrics. Implement processes for continuous improvement and optimization of models.
• A/B Testing and Experimentation: Design and implement experiments to optimize models to align with business goals.
• Mentorship: Provide guidance and mentorship to junior engineers, fostering a culture of learning and growth within the team.

Qualifications:

• Educational Background: Bachelor’s degree in Computer Science, Engineering, Mathematics, or a related field. Advanced degree preferred.
• Experience: Minimum of 3 years of experience in machine learning engineering, with a proven track record of deploying ML models in production environments.
• Technical Skills: Proficiency in programming languages such as Python or Ruby.
• Strong understanding of data structures, algorithms, and software design principles.
• Experience with machine learning frameworks and libraries (e.g., TensorFlow, PyTorch).
• Familiarity with MLOps practices and tools for continuous integration and deployment of ML models.
• Experience with cloud services (e.g., AWS, GCP) and containerization technologies (e.g., Docker, Kubernetes).
• Analytical Skills: Strong problem-solving skills with the ability to analyze complex data sets, apply advanced data science techniques, and derive actionable insights. Proficient in building predictive models, performing statistical analysis, and utilizing machine learning algorithms to identify trends, patterns, and opportunities for optimization.
• Communication Skills: Excellent verbal and written communication skills, with the ability to convey complex technical concepts to non-technical stakeholders.

What we’re like:

• Scrappy. We had a product goal and put out the MVP, collecting our first users with steady growth via paid channels in four months. We don’t cut corners when we know we’ll need them but we don’t build things without that need. We don’t like inefficiency but we dislike operationalizing one-off tasks even more.
• Risk-oriented. Everything has risk, but a mature team knows how to make these tradeoffs. That’s why we built the MVP fast––because time is your most valuable asset and is practically fungible with money in the startup world.
• Data-obsessed. We all look at data and pull it, and we believe that understanding the mechanics can yield valuable insights. Complex systems require elegant, not just simple solutions. You absolutely need to be interested in data if you want to leverage your knowledge of systems.
• Lucky. That’s how we look at this journey so far. From our timing of fundraising, to the circumstances in which we came together, to the initial product traction we’re getting, there’s no other word to describe it. We are grateful you are reading this, and we know that if you’re meant to be with us on this journey, then we will see you soon.

Base Range

$244,000 - $292,000 USD

Equal Employment Opportunity Statement

Kikoff Inc. is an equal opportunity employer. We are committed to complying with all federal, state, and local laws providing equal employment opportunities and considers qualified applicants without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.

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