Staff Engineer Frontend Js Full Stack 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 .

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 .

Our Benefits:

Any general requests for consideration of your skills, please

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 .

Our Benefits:

Any general requests for consideration of your skills, please

Essential Responsibilities:

• Implement testing, inspection, and auditing processes to maintain quality standards.
• Engage in continuous improvement initiatives to enhance product and service quality.
• Architect and implement robust, highly scalable test automation frameworks to support comprehensive testing needs.
• Collaborate with cross-functional teams to integrate quality assurance into the development lifecycle and support the implementation of PayPal products.
• Monitor system performance, proactively troubleshoot issues, and drive root cause analysis to resolution.
• Conduct in-depth requirement analysis to assess testability and identify potential risks early in the product development cycle.
• Plan and execute test strategies, including detailed test plans and scripts, for each release to ensure product quality.
• Lead defect management, including tracking, triaging, and driving resolutions during user acceptance testing.
• Execute automated test scripts using advanced automation tools, ensuring efficiency and accuracy in testing processes.
• Perform exploratory, usability, and functional testing to uncover edge cases and improve the user experience.

Expected Qualifications:

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

As a Quality Engineer you will:

• Understand customer, business, and technical requirements to develop detailed, comprehensive, and well-structured test plans, test cases, and bug reports.

• Oversee the lifecycle management and execution of test plans for both manual and automated testing to certify all releases.

• Analyze test results,identify

• Work closely with developers, emphasizingto them the importance of responsible, quality testing practices

• Document andmaintaintesting procedures, guidelines, standards, and protocols.

• Contribute to building andmaintaininga regression suite that coversend to endtesting of applications.

• Continually seek opportunities to improve,optimizeand simplify existing testing processes and methodologies, using automation when possible.

• up-to-date

• Participate in program planning, influencing the product andtechnologyroadmap and driving outcomes.

We are looking for someone who has:

• 6+ years of hands-on experience with software testing.

• Strong knowledge of software QA methodologies, tools, and processes.

• Experience working in an Agile/Scrum development process.

• Familiar with coding skills in at least one programmatic language.

• Good knowledge of tools like Postman for API testing.

• Good knowledge of performance testing and accessibility testing.

• Experience inworking with multiple and/or remote teams in different time zones.

• Experience with Xcode / Android Studio IDE.

• Experience inworking with Jira,Confluenceand TestRail.

• Strong attention to detail, as well as a passion for delivering high-quality software solutions and compelling customer experiences.

• Strong problem-solving skills,possessingthe ability to work independently or collaboratively to analyze and address complex technical challenges.

• Ability to mentor and up level team members.

• Excellent communication skills with the ability to collaborate effectively with cross-functional teams and those in non-technical roles, such as marketing, finance, and legal.

• Experience with modern software development practices, version control systems, and agile methodologies.

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 .

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 .

Our Benefits:

Any general requests for consideration of your skills, please

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 .

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.

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 .

Our Benefits:

Any general requests for consideration of your skills, please