Sr Software Engineer - Python

PayPal • San Jose, CA

1d • Hybrid

About The Position

At PayPal, Backend Software Engineers play a pivotal role in building the systems that power millions of global transactions every day. As a Backend Python Engineer, you will architect and develop large-scale, high-performance backend solutions that directly enhance customer experiences and business outcomes. You’ll lead and mentor engineering teams, champion technical excellence, and drive innovation across the platform. This role demands strong analytical and problem-solving skills, with the ability to define complex challenges, interpret data, and deliver impactful, scalable solutions.

Requirements

• 3+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.
• Strong foundation in programming concepts, data structures, and algorithms.
• Proficiency in Python and experience with frameworks such as Django or Flask.
• Understanding of web services, REST APIs, and Service-Oriented Architecture (SOA).
• Familiarity with relational and/or NoSQL databases.
• Experience with version control systems (e.g., Git) and collaborative development workflows.

Nice To Haves

• Experience with identity and authentication technologies, including OAuth2 and secure token management.
• Exposure to large-scale, high-performance distributed systems.
• Familiarity with cloud platforms such as AWS, GCP, or Azure.
• Awareness of the payments industry and related compliance or regulatory standards.

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
• Build scalable, fault-tolerant systems that meet high availability and performance requirements.
• Collaborate with product managers, architects, and other engineers to deliver impactful business outcomes.
• Participate in code reviews, design discussions, and contribute to improving development processes.
• Troubleshoot and resolve complex technical issues across distributed systems.
• Continuously optimize system performance and reliability through proactive improvements.

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