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Job Summary
PayPal’s Ads Tech team is building our next-generation advertising platform—a greenfield initiative combining advanced AI, large-scale systems engineering and PayPal’s unique merchant and transaction insights.
As a Senior Software Engineer, you’ll help design and develop key parts of the platform, shape the technical roadmap and build reliable systems capable of operating at significant scale.
We believe the hardest problems are solved together. Our engineering culture values thoughtful debate, shared ownership and egoless collaboration—everyone has something to contribute and something to learn.
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
Minimum Qualifications
3+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.
Additional Responsibilities & Preferred Qualifications
What You’ll Do
Design and develop core components of PayPal’s advertising platform.
Contribute to the technical roadmap and help turn complex requirements into scalable software designs.
Build cloud-native backend systems with a strong focus on performance, resilience and maintainability.
Champion software craftsmanship, strong coding standards and tools that improve code quality.
Drive innovation and incremental improvements by taking initiative and challenging existing approaches.
Collaborate with Product, Engineering and other cross-functional teams to navigate ambiguity and deliver meaningful business outcomes.
Help create fault-tolerant systems designed for high availability and disaster recovery.
Share knowledge, support fellow engineers and contribute to an inclusive, collaborative engineering culture.
What We’re Looking For
A highly experienced engineer with strong analytical and systems-design skills.
Deep appreciation for functional programming and its application to production systems.
A pragmatic problem-solver who can balance technical quality, scalability and business needs.
Someone comfortable working within a greenfield environment where not every problem has an established playbook.
A collaborative engineer who values collective success, constructive feedback and continuous learning.
A strong advocate for clean, reliable and maintainable code.
What You’ll Bring
10+ years of software development experience, with a strong emphasis on functional programming.
Proficiency in at least one functional programming language—ideally Scala and its Typelevel ecosystem.
5+ years of experience designing and architecting scalable backend systems, including cloud-native solutions, microservices or serverless architectures.
Experience with functional effect systems such as Cats Effect or ZIO.
Expertise in building fault-tolerant, highly available systems and planning for disaster recovery.
Hands-on experience with at least one major cloud platform, such as AWS, Google Cloud or Microsoft Azure.
Experience developing large-scale, high-performance systems.
Experience working within Agile or Scrum software-development environments.
Nice to Have
Python development experience, particularly within a machine-learning context.
Knowledge of advertising technology, payment processing or the regulatory considerations surrounding these industries.
We Believe in You
Interested? Don’t hesitate to apply or reach out and let’s talk — We’d love to learn more about you!
Subsidiary
PayPal
Travel Percent
0
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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 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.
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 paypalglobaltalentacquisition@paypal.com.
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.