Sr Software Engineer

PayPal • San Jose, CA

3d • Hybrid

About The Position

The PayPal AI Tech Platform team is building a world class end-to-end AI/ML platform to scale up AI/ML solution development at PayPal. As a key software engineer in the team, you will be responsible for designing, building, and scaling platforms and MLOps functionality supporting the platform and customer needs. You thrive on the challenge of building and optimizing platforms at scale, are deeply passionate about leveraging cutting-edge technologies, and are dedicated to innovation and market success. Your role will involve leveraging your technical expertise and practical experience in AI and machine learning, with a focus on model serving and compute platforms. You will be responsible for designing and developing the platform to enable data scientists and ML solution engineers to build and deliver AI/ML solutions in a self-service manner.

Requirements

• 3+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.

Nice To Haves

• Solid track record of over-achieving engineering and platform delivery and scaling targets in high volume, innovative, and fast-paced high-pressure environment; proven results in delivery the platform products.
• Familiar with AI/ML concepts, algorithms, and techniques, with hands-on experience in delivering AI/ML solutions.
• Practical knowledge of infrastructure components including compute, networking, and storage for modern cloud environments, especially with Kubernetes.
• Solid understanding of the AI/ML development lifecycle, with familiarity in MLOps practices such as model deployment, serving, and monitoring.
• Proficient in Programming languages such as Java or Python.
• Experience with LLM inferencing frameworks (vLLM, SGLang, TensorRT-LLM) and LLM model optimization (nice to have).
• Experience with ML model serving and orchestration frameworks such as MLflow, Seldon, Triton Inference Server, or Ray Serve (nice to have).

Responsibilities

• Delivers complete solutions spanning all phases of the Software Development Lifecycle (SDLC) (design, implementation, testing, delivery and operations), based on definitions from more senior roles.
• Advises immediate management on project-level issues
• Guides junior engineers
• Operates with little day-to-day supervision, making technical decisions based on knowledge of internal conventions and industry best practices
• Applies knowledge of technical best practices in making decisions

Benefits

• At PayPal, we’re committed to building an equitable and inclusive global economy. And we can’t do this without our most important asset-you. That’s why we offer comprehensive, choice-based programs, to support all aspects of personal wellbeing—physical, emotional, and financial—delivering meaningful value where it matters most.
• We strive to create a flexible, balanced work culture with a holistic approach to benefits, including generous paid time off, healthcare coverage for you and your family, and resources to create financial security and support your mental health.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level