Software Engineer Jobs in Sunnyvale, CA

Leads software engineering projects for an international promotions and rewards service. Responsibilities include translating requirements into scalable solutions, designing and developing code, unit testing, code and design reviews, troubleshooting production issues, root cause analysis, technical documentation, stakeholder communication, project planning, and mentoring teams of 4–6 engineers. Partners with product, UX, business, and project management teams to deliver reliable solutions and improve system performance.

Build and maintain cloud-native, large-scale services for deploying, running, fine-tuning, and observing AI agents. Contribute to distributed systems, backend services, tooling, debugging, design discussions, and delivery of production-ready features with strong testing and reliability practices.

Build and own LearnVector’s full-stack AI learning product, including frontend experiences, backend services, data layers, deployment infrastructure, streaming AI interactions, session memory, content pipelines, observability, testing, and CI. The role requires making foundational architecture decisions, integrating LLM APIs, operating production systems, and shipping frequent product improvements in an on-site, early-stage startup environment.

Lead the architecture, development, testing, deployment, and support of large-scale React Native mobile applications for Sam’s Club member service desks. Drive technical strategy across iOS and Android, mentor engineers, establish engineering best practices, optimize performance and reliability, and integrate Bluetooth-enabled peripherals and other connected hardware. Partner with product, design, operations, and engineering leaders to deliver mobile capabilities from concept through production.

Designs and scales backend services, REST APIs, automation frameworks, and GenAI-powered engineering tools. Develops web, mobile, and backend test automation; performs functional, integration, regression, and performance testing; monitors systems; troubleshoots defects; and improves CI/CD and software development processes. Partners across engineering, product, and platform teams to ensure scalable, secure, high-quality systems and drive quality governance, metrics, and continuous improvement.

Design, develop, test, and deliver scalable software solutions in collaboration with product, project, business, and UX teams. Troubleshoot production issues, perform root cause analysis, create technical solutions, and support implementation. Lead and mentor small engineering groups, develop CI/CD automation and telemetry, monitor application performance, and evaluate changes for feasibility while maintaining secure, sustainable, high-quality systems.

Leads delivery of scoped software features and AI/ML model components across the full software development lifecycle. Responsibilities include coding, solution design, code reviews, debugging, CI/CD, automated testing, performance monitoring, defect resolution, and integrating generative AI capabilities. The role collaborates with cross-functional stakeholders, develops scalable and secure cloud-native systems, mentors peers, and drives continuous engineering improvement for a restaurant delivery platform.

Leads the design and delivery of scalable, cloud-native platform capabilities, including infrastructure, tooling, ML frameworks, and AI-driven applications. Owns the full software development lifecycle from coding and testing through deployment, monitoring, and maintenance. Conducts system design reviews, applies resilient architecture principles, mentors engineers, influences technical decisions, and collaborates with stakeholders to convert complex business needs into technical requirements. Continuously improves engineering processes, tools, product quality, and system scalability through automation and data-driven practices.

Leads scalable platform development across the full software lifecycle, including design, coding, testing, deployment, monitoring, and maintenance. Builds cloud-native systems, integrates AI/ML for automation, leads design reviews, mentors engineers, influences architecture, and collaborates with stakeholders to translate business needs into technical requirements. The role also drives engineering standardization, code quality, sustainability, and data-driven process improvement for restaurant delivery platforms.

Leads delivery of scalable, secure software across the full development lifecycle. Responsibilities include feature implementation, coding, testing, CI/CD, solution design, code reviews, AI/ML integration, application monitoring, defect support, stakeholder collaboration, and technical mentoring. The role supports distributed advertising and machine-learning platforms processing billions of signals daily.

Leads full-stack software development across design, coding, testing, deployment, and support. Builds scalable, secure services, APIs, and AI/ML components using technologies including Java, React, NextJS, and Kubernetes. Responsibilities include code reviews, debugging, CI/CD, automated testing, performance monitoring, DevOps, stakeholder collaboration, technical solution design, and mentoring. The role is full-time and onsite in Sunnyvale, California.

Lead the architecture, development, and scaling of enterprise frontend applications and reusable UI platforms for analytics, experimentation, GenAI, and AI agents. Build React and TypeScript experiences with data visualization, streaming responses, API integrations, accessibility, security, testing, and reliability. Partner with engineering, AI/ML, data science, UX, product, and platform teams; lead system design reviews, establish engineering standards, mentor engineers, and drive scalable solutions across Walmart eCommerce.

Leads development and delivery of scalable platform capabilities, infrastructure, tooling, and AI/ML frameworks. Drives the full software lifecycle, applies cloud-native architecture, conducts system design reviews, builds AI-driven applications, mentors engineers, and influences technical decisions. Collaborates with cross-functional stakeholders to define requirements and improve engineering outcomes through data-driven practices. The role is full-time and onsite in Sunnyvale, California.

Architect and scale Walmart’s mobile cart and checkout experiences using Node.js and GraphQL. Lead technical design, implementation, distributed-system integrations, production reliability, code reviews, and cross-functional transaction-flow delivery. Mentor engineers and promote secure, performant, maintainable engineering practices while integrating backend REST and GraphQL APIs and exploring AI/ML capabilities.

Design and build end-to-end user features and multi-step AI workflows. Architect reliable, private, high-performance systems and infrastructure. Fine-tune and evaluate LLMs, mitigate hallucinations, and translate research into production. Drive product-focused engineering decisions and benchmarks to improve data and model performance.

Lead scalable platform development across the full software lifecycle, including design, coding, testing, deployment, monitoring, and maintenance. Build cloud-native, AI-driven applications and integrate ML frameworks and automation. Conduct design reviews, influence architecture, mentor engineers, collaborate with stakeholders, and drive continuous improvement. The role requires broad full-stack experience, including Android development, Android SDK services, background processing, CI/CD, and observability.

Leads delivery of scoped software features and models for scalable web and membership-experience platforms. Designs, develops, tests, debugs, and maintains reliable software using Java, Python, Node.js, APIs, CI/CD, automated testing, and AI/ML integrations. Collaborates with stakeholders, conducts code reviews, monitors performance, translates requirements into technical solutions, supports production systems, mentors peers, and promotes engineering excellence and continuous improvement.

Leads delivery of scoped software features and AI/ML models using Java, JavaScript, and Python. Designs, develops, tests, deploys, and maintains scalable cloud-native systems; integrates AI and generative AI capabilities; performs code reviews and debugging; collaborates with stakeholders; monitors performance; drives continuous improvement; and mentors peers while ensuring secure, reliable, and maintainable solutions.

Leads platform engineering initiatives by architecting scalable cloud-native solutions, reusable infrastructure, and AI-enhanced applications. Drives the full software development lifecycle across multiple teams, provides technical leadership and mentorship, translates business needs into technical requirements, and promotes quality, innovation, operational excellence, and continuous improvement.

Leads scalable software feature and model delivery across the full development lifecycle. Responsibilities include coding, testing, debugging, code reviews, CI/CD, AI/ML integration, solution design, performance monitoring, stakeholder collaboration, technical requirements, production support, and peer mentoring. The role develops Java and Node.js services using REST and GraphQL APIs while promoting secure, maintainable engineering practices and continuous improvement.

Build scalable backend platform capabilities, infrastructure, tooling, and ML frameworks for Walmart’s Membership Experience Engineering team. Lead the full software development lifecycle, apply cloud-native architecture, design APIs and resilient systems, integrate AI and machine learning components, conduct design reviews, and ensure deployment, observability, and maintenance. Mentor engineers, influence technical decisions, collaborate with stakeholders, and use data-driven practices to improve engineering productivity and product outcomes.

Leads the design and delivery of scalable cloud-native platform capabilities, including infrastructure, tooling, ML frameworks, and AI-driven applications. Owns the full software development lifecycle from coding and testing through deployment, monitoring, and maintenance. Conducts system design reviews, mentors engineers, influences technical decisions, collaborates with stakeholders, defines success metrics, and drives continuous improvement across advertising media planning and order management products.

Leads Android software development across design, coding, testing, deployment, debugging, and production support. Develops scalable and secure mobile solutions using Kotlin and modern architectures, integrates AI and ML capabilities, conducts code reviews, supports CI/CD and DevOps activities, monitors performance, and promotes engineering best practices. Collaborates with cross-functional teams, owns feature delivery, mentors peers, and contributes to Walmart+ customer-focused platform improvements.

Lead development of scalable platform capabilities, infrastructure, tooling, and AI/ML frameworks. Own the full software lifecycle from design and coding through deployment, observability, and maintenance. Apply cloud-native architecture to build resilient systems, integrate intelligent automation, conduct design reviews, mentor engineers, and influence technical decisions. Collaborate with cross-functional stakeholders to define requirements, measure outcomes, and deliver secure, maintainable software aligned with strategic priorities.

Leads end-to-end delivery of scalable software features and models, including design, development, testing, debugging, code review, CI/CD, performance monitoring, and maintenance. Integrates AI/ML components, translates business needs into technical requirements, collaborates with stakeholders, mentors engineers, and advances engineering practices. The role uses Java, Python, Kafka, Kubernetes, Airflow, and Salesforce within Walmart’s AdTech platform.