Senior Backend QA Engineer — Mobility Platform

NDA; United States; On-site; USD 48,000 - 55,000; Full time

Job summary

Enfint is seeking a skilled QA engineer to strengthen backend testing and automation for a global mobility and urban services platform. You will design test plans, implement automated API tests, and collaborate across Data Scientists, Developers, TechOps, and other teams through the full product lifecycle.

The role emphasizes strong Python/Pytest skills, REST/gRPC API testing, Linux scripting, and Docker/Kubernetes familiarity.

Qualifications

• 5+ years of overall engineering experience.
• 3+ years in test automation, backend testing.
• Strong Python and Pytest skills.
• Experience with RESTful and gRPC API testing.
• Understanding of client-server and microservice architecture.
• Linux and Bash scripting skills.
• Experience with Docker and Kubernetes.
• CI/CD knowledge.
• Basic SQL knowledge.
• Understanding of Machine Learning fundamentals.
• Active use of AI assistants.
• Intermediate English.
• Nice to have: Kafka and/or Kibana experience.

Responsibilities

• Test backend services and analyze test results.
• Develop and maintain automated API tests.
• Create test plans, test cases and technical documentation.
• Identify, document and track defects.
• Analyze backend service logs.
• Work closely with Data Scientists, Developers, TechOps and other teams.
• Participate in the full product lifecycle, from concept to deployment.
• Improve QA processes and testing practices.

Skills

Python

Pytest

REST API testing

gRPC API testing

Linux

Bash scripting

CI/CD

SQL basics

English

AI assistants usage

Tools

Docker

Kubernetes

Kafka

Kibana

Job description

Enfint is seeking a skilled QA engineer to strengthen backend testing and automation for a global mobility and urban services platform. You will design test plans, implement automated API tests, and collaborate across Data Scientists, Developers, TechOps, and other teams through the full product lifecycle.

The role emphasizes strong Python/Pytest skills, REST/gRPC API testing, Linux scripting, and Docker/Kubernetes familiarity.