Sr Software Engineer

PayPal-posted about 1 month ago

Full-time • Mid Level

Hybrid • Scottsdale, AZ

5,001-10,000 employees

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We are seeking a Senior Software Engineer to join our L7 Routing team, working on critical ingress and egress routing capabilities that power our infrastructure. This role focuses on building and maintaining scalable routing solutions while collaborating closely with the Technical Lead and team members to deliver high-quality, reliable systems.

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
Design, develop, and maintain L7 routing components and related infrastructure services
Write clean, efficient, and well-tested code following established engineering standards
Participate in code reviews and contribute to improving team development practices
Troubleshoot and resolve production issues, participating in on-call rotation
Collaborate with cross-functional teams to integrate routing solutions with broader platform services
Contribute to technical documentation and knowledge sharing within the team
Identify opportunities for technical improvements and implement solutions
Develop and maintain L7 routing solutions with focus on performance, reliability, and scalability
Implement features and improvements aligned with architectural decisions and team priorities
Participate in system design discussions and provide technical input
Work effectively with Technical Lead and team members to deliver projects on schedule
Communicate technical challenges and solutions clearly to stakeholders
Participate in team ceremonies including planning, retrospectives, and knowledge-sharing sessions
Write comprehensive tests and maintain high code quality standards
Monitor system performance and respond to operational issues
Contribute to improving observability and operational excellence

3+ years relevant experience and a Bachelor's degree OR Any equivalent combination of education and experience.
Minimum of 5 years of relevant work experience and a Bachelor's degree in computer science or related field.
Bachelor's degree in Computer Science, Computer Engineering, or related technical field
8+ years of backend development experience with demonstrated growth in technical capabilities
Experience working on production systems at scale
Programming: Strong proficiency in Golang with understanding of concurrent programming and performance considerations
System Design: Solid understanding of backend system design principles including HTTP, REST, and microservices architecture
L7 Routing & Proxies: Experience with web and reverse proxies (Nginx, Apache, HAProxy) and L7 routing concepts
Containerization: Hands-on experience with Docker and Kubernetes
Cloud Platforms: Experience with AWS or Google Cloud Platform
CI/CD: Familiarity with continuous integration/deployment pipelines
Monitoring: Experience with monitoring and logging tools such as Datadog, Prometheus, or Splunk
Production Support: Experience troubleshooting production systems and participating in incident response
Version Control: Proficient with Git and collaborative development workflows
Code Quality: Strong commitment to code reviews, testing, and documentation
Problem Solving: Ability to debug complex issues and implement effective solutions
Strong communication skills with ability to explain technical concepts clearly
Self-motivated with ability to work independently and as part of a team
Adaptable and eager to learn new technologies
Strong attention to detail and commitment to quality

Familiarity with traffic management, HTTP Protocol, and load balancing strategies
Understanding of security best practices for routing infrastructure
Experience with API gateway solutions (Apigee)
Experience with high-availability systems and disaster recovery
Contributions to open-source projects

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 benefits to help you thrive in every stage of life. We champion your financial, physical, and mental health by offering valuable benefits and resources to help you care for the whole you.
We have great benefits including a flexible work environment, employee shares options, health and life insurance and more.

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