Quality Engineer – Kafka & GraphQL API Champion

Egreenservices; Florida; On-site; USD 94,000 - 134,000; Full time

Benefits offered by this job

Mentorship

Benefits

Flexible policy

Job summary

Costco in Hialeah, FL seeks a Quality Engineer who can switch between C# and Kafka while owning technology outcomes. The role offers a salary range of $94,000–$134,000 with mentorship, benefits, and a flexible policy.

You will prototype PoCs, review code, sketch Selenium diagrams, and scale Kafka-based data pipelines. Qualifications include 5 years of written communication, project ownership from concept to delivery, and experience with RESTful APIs and GraphQL.

Qualifications

• 5 years of written communication experience.
• Strong C# and Kafka capabilities with practical GraphQL curiosity.
• Ability to own projects from concept through delivery under tight deadlines.
• Experience designing and reviewing RESTful APIs and data pipelines.

Responsibilities

• Prototype proof-of-concept solutions for emerging tech requirements.
• Guard Agile codebase quality through peer reviews and teaching.
• Sketch Selenium sequence diagrams to clarify technology flow.
• Scale data pipelines processing millions of events with Kafka.
• Investigate, diagnose, and fix user- and monitor-reported issues.
• Develop and maintain RESTful APIs powering core Costco products.
• Ship GraphQL experiments quickly and assess outcomes.

Skills

C#

Kafka

GraphQL

RESTful APIs

Selenium

Written communication

Tools

Kafka

GraphQL

Selenium

REST APIs

Job description

Costco in Hialeah, FL seeks a Quality Engineer who can switch between C# and Kafka while owning technology outcomes. The role offers a salary range of $94,000–$134,000 with mentorship, benefits, and a flexible policy.

You will prototype PoCs, review code, sketch Selenium diagrams, and scale Kafka-based data pipelines. Qualifications include 5 years of written communication, project ownership from concept to delivery, and experience with RESTful APIs and GraphQL.