Staff Software Architect jobs at Paypal in United States, San Jose

Essential Responsibilities:

• Develop clear objectives and priorities within content design to deliver results and meet organizational goals
• Influence decision-making at the senior leadership level
• Perform the most highly complex work assignments using domain knowledge and extensive business expertise
• Develop and deliver innovative content design strategies that enhance user experience and benefit customers and/or clients
• Lead major business projects which impact the content design unit or the product function
• Design, evaluate, and select process, product, and service improvements based on thorough understanding of business needs and industry trends

Expected Qualifications:

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

Travel Percent:

The total compensation for this practice may include an annual performance bonus (or other incentive compensation, as applicable), equity, and medical, dental, vision, and other benefits. For more information, visit .

The US national annual pay range for this role is $123,500 to $212,850

Our Benefits:

Any general requests for consideration of your skills, please

Essential Responsibilities:

• Develop and optimize machine learning models for various applications.
• Preprocess and analyze large datasets to extract meaningful insights.
• Deploy ML solutions into production environments using appropriate tools and frameworks.
• Collaborate with cross-functional teams to integrate ML models into products and services.
• Monitor and evaluate the performance of deployed models.

Expected Qualifications:

• 3+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.
• Experience with ML frameworks like TensorFlow, PyTorch, or scikit-learn.
• Familiarity with cloud platforms (AWS, Azure, GCP) and tools for data processing and model deployment.
• Several years of experience in designing, implementing, and deploying machine learning models.

Key Responsibilities:

• Research and develop large-scale foundation models, including continuous pre-training, supervised fine-tuning, and alignment techniques

• Design novel architectures and training methodologies for domain-specific language models in financial services

• Build scalable ML pipelines for foundation model training, evaluation, and deployment at enterprise scale

• Conduct rigorous experimentation and benchmarking to ensure model quality, safety, and performance

• Deploy foundation models into production environments to drive business insights and enhance customer experiences

• Collaborate with cross-functional teams to identify high-impact use cases and translate research into practical solutions

• Stay current with latest developments in LLM and LLM-Agent research and contribute to the broader AI/ML community through publications and open-source contributions

• Mentor junior researchers and contribute to technical strategy for foundation model initiatives

Preferred Qualifications:

• PhD in Computer Science, Machine Learning, AI, or related field with focus on large language models and LLM Agent

• 1-3+ years of hands-on experience training and deploying large-scale language models (7B+ parameters)

• Deep expertise in transformer architectures, attention mechanisms, and modern training techniques

• Experience with distributed training frameworks (PyTorch, JAX, DeepSpeed, etc.)

• Strong background in NLP, deep learning, and statistical machine learning

• Proven track record of research publications in top-tier venues (NeurIPS, ICML, ACL, etc.)

Travel Percent:

The total compensation for this practice may include an annual performance bonus (or other incentive compensation, as applicable), equity, and medical, dental, vision, and other benefits. For more information, visit .

The US national annual pay range for this role is $169,500 to $291,500

Our Benefits:

Any general requests for consideration of your skills, please

Essential Responsibilities:

• Establish overall business or technical strategy for user experience initiatives.
• Negotiate with and influence decision-making reaching the senior executive level
• Identify and resolve unique situations of substantial significance in user interface or interaction design
• Allocate resources, responsibly and apply creativity to enhancing user and customer experiences across digital and physical products and services
• Lead the development of user experience strategies that resonate with target audiences.
• Support and mentor less-experienced roles to provide an example of innovation, excellence, and day-to-day learning

Expected Qualifications:

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

WhereExperience Strategydefines theand

,defines—across structure, sequencing, navigation, and behavioral flow.

This is not just a UX strategy or systems design role—it’s both. You will lead the practice of Experience Architecture: the structuring of journeys, flows, navigation, taxonomy, and interaction models into a unified, extensible system. Your work will ensure that every interaction fits together to form a complete, coherent whole—one that reflects our brand, reinforces behavior, and reduces experience entropy as we scale.

Key Responsibilities

• Architect the Experience Ecosystem
  

• Lead Horizontal Experience Strategy
  Architect critical cross-product journeys (e.g., Account, Wallet, Rewards) that unify the customer experience across silos.

• Own and Govern Taxonomy & Information Architecture
  Partner with Content Design, Product Design, and Engineering to establish scalable IA systems and navigational models.

• Advance Service Design & System Mapping
  Connect frontstage flows to backstage systems and operational logic; drive service blueprinting across the product lifecycle.

• Drive CX Improvements
  Identify and resolve systemic customer experience issues across surfaces, workflows, and product areas through architectural interventions—not just interface refinements.

• Partner with Design Systems
  Collaborate to encode architectural logic into reusable components and interaction frameworks, ensuring real behavior is reflected—not just UI consistency.

• Transform Experience Delivery
  Work with Product Ops and PMO to embed architectural checkpoints into planning, roadmapping, and SDLCprocesses—acceleratingdelivery while protecting experience integrity.

Qualifications

• 12+ years of experience in experience design, UX architecture, or systems design, with a strong portfolio demonstrating strategic impact.

• Proven leadership in structuring complex digital ecosystems and scaling design systems.

• Deep expertise in journey mapping, taxonomy design, interaction modeling, and platform strategy.

• Exceptional communication and storytelling skills, with the ability to influence across disciplines and levels.

• Experience working in large-scale, matrixed organizations with a focus on platform thinking and design maturity.

Preferred Skills

• Experience with enterprise platforms, developer tools, or internal design infrastructure.

• Familiarity with accessibility standards, localization, and inclusive design practices.

• Strategic mindset with a bias for action and a passion for enabling great design at scale.

Travel Percent:

The total compensation for this practice may include an annual performance bonus (or other incentive compensation, as applicable), equity, and medical, dental, vision, and other benefits. For more information, visit .

The US national annual pay range for this role is $188,000 to $323,950

Any general requests for consideration of your skills, please

This job acts as a technical project leader, coordinating the activities of other engineers, determining technical tasks, and improving existing structures and processes. It involves making technical decisions, collaborating with management to set standards, and representing the company to external partners. Person should have 5+ years of experiences in developing, deploying and maintaining highly available systems in a mid to large size business.

Essential Responsibilities:

• Acts as a project or system leader, coordinating the activities of other engineers on the project or within the system
• Determines the technical tasks that other engineers will follow
• Actions result in the achievement of customer, operational, program or service objectives
• Proactively improves existing structures & processes
• Exercises judgement in reconciling diverse and competing priorities (time, quality, complexity risk) to identify optimal solutions to problems
• Notices patterns and condenses repetition into densely meaningful generalized solutions
• Collaborates with management to set/improve standards for engineering rigor
• Trusted to represent PayPal, Inc to the outside world via interactions with partners, customers, or industry organizations

Expected Qualifications:

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

• Experience in Spring boot and other frameworks in Java or python
• Experience in UI stack such as react or other
• Experience with large-scale, high-performance systems.
• Experience in running large scale CI/CD pipelines using Jenkins, Github or Harness
• Experience with cloud platforms (AWS, GCP, Azure).

Travel Percent:

The total compensation for this practice may include an annual performance bonus (or other incentive compensation, as applicable), equity, and medical, dental, vision, and other benefits. For more information, visit .

The US national annual pay range for this role is $152,500 to $262,350

Our Benefits:

Any general requests for consideration of your skills, please

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.

Key Responsibilities:

• Demonstrate a customer centric mindset as part of day-day work.
• Ensure that the design and implementation adheres to defined specs and processes.
• Own end-to-end quality of deliverables during all phases of the software development lifecycle.
• Understand technical designs by working within PayPal’s cross-functional technology team.
• Collaborate with core platform and infrastructure teams to satisfy the infrastructure needs for payments solutions.
• Collaborate between business, product and technology in the process of understanding the requirement and coming up with implementation options
• Ability to function effectively in a fast paced environment and manage continuously changing business needs

Technical Skills

• Strong programming skills and expertise in Java/J2EE, Spring and Hibernate
• Exposure to one or more server side scripting technologies.
• Experience with REST API’s, Web Services, Unit Testing and build tools.
• Good understanding and hands on experience with databases such as MySQL/ Oracle etc.
• Strong understanding of web-based programming languages
• Rich object-oriented design and analysis skills
• Experience in refactoring existing code base and in understanding existing implementations to decide to refactor or rewrite.

Personal Traits

• Be a quick learner undaunted by complex systems.
• Take risks and thrive in an environment of constant change.
• Contributed to building the complete life cycle of transaction processing preferably in payments domain.
• Exposure and participation in tech events, hackathons, contributions to open source, authoring of blogs and active participation in online tech forums is a plus.

: BSCS or equivalent + 6 years of experience / MSCS + 4 years of experience in software development

Travel Percent:

The total compensation for this practice may include an annual performance bonus (or other incentive compensation, as applicable), equity, and medical, dental, vision, and other benefits. For more information, visit .

The US national annual pay range for this role is $123,500 to $212,850

Our Benefits:

Any general requests for consideration of your skills, please

This job implements tasks within the Software Development Lifecycle (SDLC), follows internal conventions and procedures, makes technical decisions, collaborates with peers and project leads, and contributes to code and design reviews.

Essential Responsibilities:

• Implements tasks within the Software Development Lifecycle (SDLC), receiving structure and oversight from more experienced staff
• Follows well-established internal conventions and standard procedures
• Understands internal standards & processes an applies them to make technical decisions
• Collaborates with peers, manager, and project lead to gain understanding of tasks and review solutions
• May contribute to code & design reviews

Expected Qualifications:

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

Strong proficiency in Java and backend service development.
Hands-on experience building RESTful APIs and integrating with internal/external services.
SQL/ NO SQL DBs
Knowledge of CI/CD pipelines and automated deployment tools
Ability to design and develop scalable, reliable, distributed systems.
Strong experience with unit, integration, functional and load testing.
Understanding of API security, error handling, logging, and best development practices.
Familiarity with monitoring & observability tools such as DataDog

Exposure to basic Python ML ecosystem (NumPy, Pandas, scikit-learn) is a plus.
Basic understanding of machine learning concepts.
Exposure to LLM APIs (OpenAI, Anthropic, HuggingFace) is a plus.
Familiarity with embeddings and calling LLMs
Understanding of RAG at a high level (retrieval + LLM response) is an added advantage.

Fintech domain experience or exposure to payments, banking etc
Knowledge of cloud platforms (GCP suite, BigQuery, Cloud Storage, Cloud Run, Cloud Spanner)

Travel Percent:

The total compensation for this practice may include an annual performance bonus (or other incentive compensation, as applicable), equity, and medical, dental, vision, and other benefits. For more information, visit .

The US national annual pay range for this role is $100,500 to $173,250

Any general requests for consideration of your skills, please

This job delivers complete solutions spanning all phases of the Software Development Lifecycle (SDLC). It involves advising management on project-level issues, guiding junior engineers, operating with little supervision, and applying knowledge of technical best practices.

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.

Travel Percent:

The total compensation for this practice may include an annual performance bonus (or other incentive compensation, as applicable), equity, and medical, dental, vision, and other benefits. For more information, visit .

The US national annual pay range for this role is $123,500 to $212,850

Our Benefits:

Any general requests for consideration of your skills, please