Principal Software Engineer - Fullstack (Java/React)

Location: Sunnyvale, California, United States; home office

Annual salary: $143,000–$286,000, plus performance bonuses and possible stock.

Company

hirify.global supports Walmart’s marketplace ecosystem, enabling third-party sellers to manage products and deliver customer experiences on walmart.com.

What you will do

• Drive the technical vision and architecture for Marketplace Orders and Returns systems.
• Design and scale event-driven, microservices-based platforms, including APIs, webhooks, app integrations, and web front-end applications.
• Lead end-to-end backend and React/Redux front-end architecture for Marketplace workflows.
• Improve developer productivity, scalability, reusability, platform modernization, and engineering practices across teams.
• Make cross-team architectural decisions and solve distributed-systems challenges involving consistency, resiliency, latency, scalability, and performance.
• Mentor senior engineers, lead design reviews, collaborate with Product and Engineering leaders, and contribute hands-on to critical systems.

Requirements

• Deep expertise in distributed systems, microservices, and event-driven architectures.
• Strong experience building and scaling highly available, high-performance cloud-native platforms.
• Proficiency in Java and familiarity with React/Redux.
• Experience designing and evolving APIs, webhooks, and external integrations at scale.
• Strong foundation in platform engineering and reusable, extensible systems.
• Proven ability to drive architecture across teams, influence technical decisions, and handle complex, ambiguous challenges.
• Experience using data and AI-driven insights to improve systems and user experiences.
• Excellent collaboration and communication skills across engineering and business stakeholders.
• Either a bachelor’s degree in computer science, computer engineering, computer information systems, software engineering, or a related area plus 5 years of software engineering or related experience, or 7 years of software engineering or related experience.

Nice to have

• Master’s degree in computer science, computer engineering, computer information systems, software engineering, or a related area plus 3 years of software engineering or related experience.
• Knowledge of WCAG 2.2 AA, assistive technologies, and digital accessibility best practices.

Culture & Benefits

• Full-time employment with medical, vision, dental, life insurance, disability coverage, and 401(k) benefits.
• Paid time off, including sick leave, parental leave, family care leave, bereavement, jury duty, and voting leave.
• Performance-based bonuses, possible stock, company discounts, and other financial benefits.
• Walmart-paid education programs may cover tuition, books, and fees for eligible employees.
• Benefits and paid-time-off amounts depend on job classification, length of employment, and applicable plan terms.
• Drug-free workplace and no-tolerance policy for illegal drugs and alcohol on the job.