Software Engineer

About Costco Wholesale: Costco Wholesale is a multi-billion-dollar global retailer with warehouse club operations in eleven countries. They provide a wide selection of quality merchandise, plus the convenience of specialty departments and exclusive member services, all designed to make shopping a pleasurable experience for their members. About Costco Wholesale India: At Costco Wholesale India, we foster a collaborative space, working to support Costco Wholesale in developing innovative solutions that improve members experiences and make employees jobs easier.

Our employees play a key role in driving and delivering innovation to establish IT as a core competitive advantage for Costco Wholesale. Position Title: Software Engineer Job Description: Roles & Responsibilities: Technical Skills: Lead the design and implementation of web application's: Architect and oversee the development of scalable, reliable, and secure web applications across frontend and backend systems. Drive innovation and adoption of modern web technologies: Research and integrate cutting-edge frameworks, tools, and architectural patterns (e.g., micro-frontends, serverless, edge computing).

Mentor and guide junior and mid-level engineers: Provide technical leadership, conduct code reviews, and support career development. Collaborate with stakeholders across teams: Align engineering solutions with product, design, and business objectives. Establish and enforce software engineering best practices: Define standards for code quality, testing, performance, security, and CI/CD.

Lead system design and architectural decisions: Ensure scalability, maintainability, and performance of distributed web systems. Present technical solutions and trade-offs to leadership: Communicate architecture decisions, risks, and business impact to senior stakeholders. 8 12 years of experience Expert-level proficiency in modern web development: Mastery of Java, Python, JavaScript/TypeScript and frameworks such as React, Next.js, or similar. Deep understanding of backend systems and API design: Advanced knowledge of Node.js, microservices architecture, REST/GraphQL APIs.

Proven ability to build and deploy scalable web systems: Design and implement production-grade, high-performance applications on cloud platforms (GCP/AWS/Azure). Experience with cloud-native and distributed systems: Containers, Kubernetes, serverless, and event-driven architectures. Strong frontend architecture expertise: Performance optimization, SSR/SSG, state management, and component design.

Advanced database knowledge: Relational and NoSQL systems, data modeling, and performance optimization. Strong security and compliance expertise: Implement authentication, authorization (OAuth, JWT), and secure coding practices. Excellent communication and presentation skills: Articulate technical concepts and system design decisions to diverse audiences.

Must Have Skills: Java, python (expert level) JavaScript/TypeScript (expert level) Frontend frameworks: React (preferred), Next.js, or similar Backend development: Node.js, API development (REST/GraphQL) System design: Microservices, distributed systems, scalable architecture Cloud platforms: GCP/AWS (experience building and deploying production applications) CI/CD and DevOps: GitHub Actions, Jenkins, or similar Database skills: Strong SQL + experience with NoSQL systems Web performance optimization and observability (logging, monitoring, tracing) Authentication & security: OAuth, JWT, secure API design Nice to Have Skills: Experience with AppSheet for building internal tools or workflow-based applications Exposure to micro-frontend architectures Experience with edge computing (e.g., CDN-based logic, serverless edge functions) Familiarity with design systems and component libraries Experience integrating AI/ML APIs into web applications