Staff Software Engineer (Martech / AdTech) [T500-20229]

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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 : Staff Software Engineer (Martech / AdTech)

Job Description :

Roles & Responsibilities :

  • Design and develop scalable Martech / AdTech solutions across web, mobile, and backend systems
  • Build and integrate APIs to support campaign delivery, personalization, and tracking
  • Collaborate with product, data, and engineering teams to deliver reliable and performant ad & marketing experiences
  • Implement targeting and measurement capabilities using first- and third-party data
  • Contribute to the architecture and technical roadmap of the Martech / AdTech stack
  • Ensure security, compliance, and data quality across integrations and data flows
  • Troubleshoot and resolve issues related to latency, delivery, and data consistency
  • Stay current with industry best practices, tools, and platform capabilities (e.g. DSPs, DMPs, CDPs)
  • Support experimentation, A / B testing, and audience segmentation infrastructure
  • Partner with stakeholders to translate business needs into scalable technical solutions

Technical Skills :

  • 15+ years of experience in software development
  • Hands-on experience with AdTech or Martech platforms (DSP, DMP, CDP, CRM, tracking tools, etc.).
  • Proficiency in programming (e.g., Python, Java, or similar).
  • Experience with data integration, APIs, and cloud infrastructure (GCP / AWS / Azure).
  • Strong collaboration, problem-solving, and communication skills.

    • Must Have Skills :

  • Python / Java
  • REST APIs
  • SQL
  • Cloud (GCP / AWS / Azure)
  • DSP / DMP / CDP
  • Data pipelines
  • Tagging / tracking
  • Git / CI / CD
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