Sr Software Engineer

Posted 6 Days Ago
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Scottsdale, AZ
In-Office
Senior level
Fintech • Payments
The Role
The Senior Software Engineer will develop and maintain scalable L7 routing solutions, collaborate with teams, and ensure high-quality, reliable systems in PayPal's infrastructure.
Summary Generated by Built In

The Company

PayPal has been revolutionizing commerce globally for more than 25 years. Creating innovative experiences that make moving money, selling, and shopping simple, personalized, and secure, PayPal empowers consumers and businesses in approximately 200 markets to join and thrive in the global economy. 

We operate a global, two-sided network at scale that connects hundreds of millions of merchants and consumers. We help merchants and consumers connect, transact, and complete payments, whether they are online or in person. PayPal is more than a connection to third-party payment networks. We provide proprietary payment solutions accepted by merchants that enable the completion of payments on our platform on behalf of our customers.

We offer our customers the flexibility to use their accounts to purchase and receive payments for goods and services, as well as the ability to transfer and withdraw funds. We enable consumers to exchange funds more safely with merchants using a variety of funding sources, which may include a bank account, a PayPal or Venmo account balance, PayPal and Venmo branded credit products, a credit card, a debit card, certain cryptocurrencies, or other stored value products such as gift cards, and eligible credit card rewards.  Our PayPal, Venmo, and Xoom products also make it safer and simpler for friends and family to transfer funds to each other. We offer merchants an end-to-end payments solution that provides authorization and settlement capabilities, as well as instant access to funds and payouts. We also help merchants connect with their customers, process exchanges and returns, and manage risk. We enable consumers to engage in cross-border shopping and merchants to extend their global reach while reducing the complexity and friction involved in enabling cross-border trade. 

Our beliefs are the foundation for how we conduct business every day.  We live each day guided by our core values of Inclusion, Innovation, Collaboration, and Wellness. Together, our values ensure that we work together as one global team with our customers at the center of everything we do – and they push us to ensure we take care of ourselves, each other, and our communities.

Job Summary:

Job Summary:
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.

Job Description:

Essential 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

Expected Qualifications:

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

Additional Responsibilities & Preferred Qualifications:

Job Title: Senior Software Engineer - L7 Routing

Job Summary:

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.

Essential Responsibilities:

  • 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

Minimum Qualifications:

Minimum of 5 years of relevant work experience and a Bachelor's degree in computer science or related field.

Key Responsibilities:

Technical Execution

  • 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

Collaboration & Communication

  • 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

Quality & Operations

  • Write comprehensive tests and maintain high code quality standards
  • Monitor system performance and respond to operational issues
  • Contribute to improving observability and operational excellence

Required Qualifications:

Education & Experience

  • 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

Core Technical Skills

  • 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

Infrastructure & Operations

  • 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

Development Practices

  • 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

Soft Skills

  • 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

Preferred Additional Qualifications

  • 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

Subsidiary:

PayPal

Travel Percent:

0

PayPal does not charge candidates any fees for courses, applications, resume reviews, interviews, background checks, or onboarding. Any such request is a red flag and likely part of a scam. To learn more about how to identify and avoid recruitment fraud please visit https://careers.pypl.com/contact-us.

For the majority of employees, PayPal's balanced hybrid work model offers 3 days in the office for effective in-person collaboration and 2 days at your choice of either the PayPal office or your home workspace, ensuring that you equally have the benefits and conveniences of both locations.

Our 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 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. To learn more about our benefits please visit https://www.paypalbenefits.com.

Who We Are:

Click Here to learn more about our culture and community.

Commitment to Diversity and Inclusion 

PayPal provides equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, pregnancy, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state, or local law.  In addition, PayPal will provide reasonable accommodations for qualified individuals with disabilities.  If you are unable to submit an application because of incompatible assistive technology or a disability, please contact us at [email protected].  

Belonging at PayPal: 

Our employees are central to advancing our mission, and we strive to create an environment where everyone can do their best work with a sense of purpose and belonging. Belonging at PayPal means creating a workplace with a sense of acceptance and security where all employees feel included and valued. We are proud to have a diverse workforce reflective of the merchants, consumers, and communities that we serve, and we continue to take tangible actions to cultivate inclusivity and belonging at PayPal.

Any general requests for consideration of your skills, please Join our Talent Community.

We know the confidence gap and imposter syndrome can get in the way of meeting spectacular candidates. Please don’t hesitate to apply.

Top Skills

Apache
AWS
Datadog
Docker
Git
Go
Google Cloud Platform
Haproxy
HTTP
Kubernetes
Microservices
Nginx
Prometheus
Rest
Splunk
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The Company
HQ: San Jose, CA
34,450 Employees
Year Founded: 1998

What We Do

HELP US REIMAGINE MONEY.

At PayPal, we believe that now is the time to democratize financial services so that moving and managing money is a right for all citizens, not just the affluent. We are driven by this purpose, and we uphold our cultural values of collaboration, innovation, wellness and inclusion as our guide for making decisions and conducting business every day. It is our duty and privilege to be customer champions and put those we serve at the center of everything we do.

We are one team that respects and values diversity of thought for everyone, everywhere, and we actively seek to create an energizing workplace that brings out the best in all of us. If you’re ready to shape the future of money, join the team at PayPal. We're proud to work here. You will be too.

PayPal is headquartered in San Jose, California and its international headquarters is located in Singapore.

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