Title: Software Engineer, Backend Location: San Jose United States Job Description: 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: As a member of the Checkout Engineering team, you will be responsible for the development and delivery of the applications and services that power PayPal's Checkout user experiences. You will work closely with product, design, and analytics teams to understand what the buyers and merchants using our software desire from us. We're looking for talented, motivated and detail-oriented technologists with a passion for building beautiful products and experiences. We value collaboration, communication, and a passion for achieving engineering and product excellence. Job Description: 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 Minimum Qualifications: - 1+ years relevant experience and a Bachelor's degree OR Any equivalent combination of education and experience. Additional Responsibilities & Preferred Qualifications: Meet our team: At PayPal Checkout Engineering, we're building experiences used by millions of merchants and shoppers worldwide, and our team is on a mission to provide sophisticated, tailor-made experiences to all of our users. PayPal has been at the forefront of building global-scale applications and is a pioneer in the payments realm. Our passionate engineers continually question assumptions, experiment with new technologies and architectures, and collaborate to create engaging and innovative payment experiences. Your Way to Impact: As a backend engineer for PayPal Checkout, you will deliver complete solutions and features spanning all phases of our software development lifecycle. In this role, you will be responsible for shaping the future of PayPal's customer facing checkout products. This will be accomplished through implementation of technical designs, direct contributions to architectural decisions, influencing the technical direction of our applications and systems. You will be responsible for developing industry-leading experiences that bring unquestionable value to both merchants and buyers. You will use your years of technical expertise and a solid understanding of the business domain to help us improve the scale, reliability, and performance of our platforms. Your Day to Day: - Demonstrate end-to-end ownership of features, projects, modules, and services that you deliver in all phases of the software development lifecycle. - Contribute to software performance, identifying and resolving bottlenecks via monitoring, logging, and metrics to enhance the user experience. - Contribute to clean, scalable, high-performing, secure, and reliable software services, in all areas, including coding, documentation, automation, etc. - Contribute to critical non-functional requirements (Availability, Security, Performance, Scalability, and Observability), and improve automated test strategies, build and deploy processes to enable speedy and reliable continuous integration. - Collaborate with other development teams to ensure seamless integration and deployment of client-side applications, automating and enhancing build, test, and deployment processes. - Communicate effectively with all technical and non-technical partners and stakeholders (Architecture, Developer Experience, Product, Design, Analytics, Legal, Marketing, etc.) as well as within your team to ensure shared understanding around the new products and features under consideration. - Conduct formal and informal code reviews, providing constructive feedback to team members to ensure code quality and adherence to clean and scalable coding principles. - Stay up-to-date with the latest industry standards, tools, and technologies related to client-side development, observability, and DevOps practices, and drive their adoption within the team. - Participate in program planning, influencing the product and technology roadmap and driving outcomes. What You bring: - 2+ years of professional experience in software development, with a strong emphasis on development of large-scale and performant applications. - Expertise in at least one server-side language such as Java, C++, C#, Go, Python, Kotlin, or Ruby. - Familiarity with relational and non-relational database technology such as PostgreSQL, MySQL, and Bigtable. - Familiarity with AI tools such as Claude, GitHub Copilot, Cursor. - A history building modern, resilient and operationally efficient backend systems exemplifying industry standards (HTTP REST, GraphQL, Serverless, SOA, etc). - A strong belief that data is an essential tool to drive ideal solutions. - A desire to ship world class code daily. - Strong attention to detail, as well as a passion for delivering high-quality software solutions and compelling customer experiences - Strong problem-solving skills, possessing the ability to work independently or collaboratively to analyze and address complex technical challenges - 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 Subsidiary: PayPal Travel Percent: 0 - The base pay for this role will depend on where you work and the relevant experience and expertise you bring. The expected range of pay for this role by location is: Primary Location | Pay Range: San Jose, California | ($116,500.00 - $173,250.00 Annually) Additional Location(s) | Pay Range: No other locations are assigned to this requisition currently. Additional compensation for this role may include an annual performance bonus, equity, or other incentive compensation, as applicable. PayPal does not charge candidates any fees for courses, applications, resume reviews, interviews, background checks, or onboarding. When making an application directly, we will never ask you to share passwords, one-time passcodes (OTP), or verification codes. Any such request is a red flag and likely part of a scam. All communication regarding your application will come from official PayPal email domains. If you suspect fraudulent activity, please report it immediately. 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 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. 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.

• Design and lead end-to-end software engineering solutions in cloud environments. • Develop projects from scratch with minimal supervision and strong team collaboration. • Guide teams and ensure high-quality delivery. • Leverage AI-assisted development tools such as GitHub Copilot, Copilot agents, and Anthropic-based solutions. • Choose the appropriate model and approach for each use case, balancing quality, speed, and cost. • Design and maintain reusable prompts, instructions, and workflows to standardize AI usage across projects. • Contribute to the adoption of modern engineering practices combining AI capabilities with strong quality and review processes. • Ensure best practices in software quality, security, and scalability. • Translate business needs into clear technical specifications, following a spec-driven development approach. • Mentor other engineers and promote technical excellence. • Participate, review, help and take care of the projects where your teammates are involved. • Build scalable pipelines using a variety of technologies. • Be up to date with the latest tools and technologies in the market.

Title: Staff Backend Software Engineer Location: Denver, CO United States Hybrid Job Description: About DAT DAT is an award-winning employer of choice and a next-generation SaaS technology company that has been at the leading edge of innovation in transportation supply chain logistics for 45 years. We continue to transform the industry year over year, by deploying a suite of software solutions to millions of customers every day - customers who depend on DAT for the most relevant data and most accurate insights to help them make smarter business decisions and run their companies more profitably. We operate the largest marketplace of its kind in North America, with 400 million freights posted in 2022, and a database of $150 billion of annual global shipment market transaction data. Our headquarters are in Denver, CO, and Beaverton, OR, with additional offices in Seattle, WA; Springfield, MO; and Bangalore, India. Candidate profile As a Staff Backend Software Engineer, you will be a key technical leader, responsible for the design, development, and delivery of our core backend services. You will tackle complex technical challenges, set architectural direction, and champion best practices across the engineering organization. This is a highly visible role for an expert who wants to have a major impact on our platform. What You'll Do - Technical Leadership: Lead the design and implementation of large-scale, high-performance backend systems and microservices using Node.js. - Best Practices: Drive the adoption of modern software development practices, including automated testing, conduct code reviews, CI/CD pipelines, and infrastructure-as-code. - Cloud Architecture: Architect, maintain and monitor robust, scalable and reliable services on AWS, leveraging services like EKS, MSK (Kafka), and S3. - Mentorship: Mentor other backend engineers and provide technical guidance to elevate the skill level of the entire team. - Incident Management: Lead the response and resolution for complex production incidents, perform root cause analysis, and implement preventative measures. - Collaboration: Work closely with cross-functional teams, including product managers, DevOps, and front-end engineers, to deliver timely, high-quality and performing end-to-end solutions. The Skills and Experience You'll Bring - 10+ years of experience in backend software development, including significant time as a senior or staff engineer owning complex, high‑throughput production services. - Deep Node.js/TypeScript expertise, building and operating Express (or similar) HTTP APIs at scale. - Proven experience owning Tier‑1, customer‑facing transaction systems (e.g., posting, booking, marketplace flows) with strict availability, correctness, and latency expectations. - Extensive AWS experience with production backends, ideally including EKS/Kubernetes, Lambda, MSK/Kafka, DocumentDB or MongoDB, and Secrets Manager/S3/CloudWatch, plus infrastructure‑as‑code (Terraform or similar). - Strong background in event‑driven and distributed systems using Kafka/MSK - Expertise with document databases especially DocumentDB/MongoDB - Hands‑on experience with zero/low‑downtime migrations - Strong understanding of microservice and API contracts - Fluency with observability and on‑call health, designing dashboards, APM traces, logs, and alerts; defining SLOs; and using these tools to drive down incident frequency and MTTR. - Experience establishing and raising engineering standards for a team: PR and testing guidelines (unit/contract/integration/smoke/end-to-end), deployment validation checklists, and post‑incident review practices. - Demonstrated technical leadership: leading cross‑team designs in ambiguous problem spaces, writing clear system design documents, operations runbooks, and driving alignment across Engineering, Product, and Operations. - Proven mentoring track record, especially helping mid‑level engineers grow in system design, observability, and operational excellence. - Excellent communication skills, with the ability to explain trade‑offs and system behavior clearly to engineers, product managers, and non‑technical stakeholders. Why DAT? DAT is an award winning employer of choice. For starters, we have a hybrid work environment, but we also know what makes a great workplace. We have a time-tested and resolute set of operating values predicated on integrity, mutual respect, open communication, and executing with excellence. These values inform our strategic vision as much as any one of our products does. We've been an employer of choice in the Portland metropolitan area for four decades, and within one year of opening our Denver office, DAT was #26 on Built In Colorado's 100 Best Places to Work In Colorado. - Medical, Dental, Vision, Life, and AD&D insurance - Parental Leave - Flexible Vacation Time (FVT) - An additional 10 holidays of paid time off per calendar year - 401k matching (immediately vested) - Employee Stock Purchase Plan - Short- and Long-term disability sick leave - Flexible Spending Accounts - Health Savings Accounts - Employee Assistance Program - Additional programs - Employee Referral, Internal Recognition, and Wellness - Free TriMet transit pass (Beaverton Office) - Competitive salary and benefits package - Work on impactful projects in a cutting-edge environment - Collaborative and supportive team culture - Opportunity to make a real difference in the trucking industry - Employee Resource Groups - This position is not eligible for visa sponsorship For Colorado-based candidates, in compliance with the Colorado Equal Pay for Equal Work Act, the salary range for this role is $172,000.00 - $223,000.00 + target bonus. DAT considers factors such as scope and responsibilities of the position, candidate's work experience, education and training, core skills, internal equity, and market and business elements when extending an offer. DAT embraces the value of a diverse workforce, and believes it is a core strength of our company that we encourage those values in every DAT employee, at every level of our organization, regardless of tenure or rank. We provide equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws. #LI-RF1 #LI-hybrid

• Diseñar, desarrollar e implementar soluciones basadas en LLMs alineadas con las necesidades del negocio • Construir y mantener arquitecturas multiagente utilizando LangChain y LangGraph • Desarrollar APIs RESTful escalables y seguras con FastAPI • Diseñar modelos de datos robustos utilizando Pydantic y SQLAlchemy • Implementar soluciones RAG integrando Azure AI Search, Cosmos DB y Azure OpenAI • Optimizar prompts, consumo de tokens, memoria conversacional y gestión de contexto • Configurar y administrar servicios en Azure como Azure OpenAI, Cosmos DB, Azure AI Search y Document Intelligence • Diseñar índices vectoriales y estrategias de búsqueda semántica para maximizar la precisión de las respuestas • Garantizar la calidad del código mediante pruebas automatizadas, revisión de código y cumplimiento de estándares definidos con pytest, Ruff y Black • Participar en el diseño de arquitectura de software siguiendo principios SOLID y Clean Architecture • Colaborar con equipos multidisciplinarios para traducir requerimientos funcionales en soluciones técnicas escalables • Documentar procesos, componentes y decisiones técnicas para asegurar mantenibilidad y transferencia de conocimiento • Identificar oportunidades de mejora continua en rendimiento, costos, seguridad y escalabilidad de las soluciones implementadas