Nexla

QA Engineer – Manual Backend Testing

Nexla

full-time

Posted on:

Location Type: Remote

Location: United States

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Tech Stack

CloudETLJavaMicroservicesPythonSQL

About the role

  • Own backend quality for core platform components including services, connectors, and data pipelines
  • Perform deep manual testing of backend workflows, edge cases, and failure scenarios
  • Validate data ingestion, transformations, metadata handling, and downstream consistency
  • Test service to service interactions, async processes, retries, and error handling
  • Analyze logs, traces, and metrics to identify defects and system gaps
  • Design and maintain backend focused automated tests where they add real value
  • Partner with engineers early in the development cycle to influence design for testability
  • Reproduce complex production like issues in lower environments
  • Ensure backward compatibility and data safety during platform changes
  • Continuously improve test strategies for backend and platform level features

Requirements

  • 4 to 6 years of experience in backend or platform QA
  • Strong fundamentals in backend systems, microservices, and distributed architectures
  • Proven experience in manual backend testing beyond scripted test cases
  • Solid understanding of data flows, schemas, and data validation techniques
  • Hands on experience working with databases and writing SQL queries
  • Comfort working with logs, debugging tools, and server side error analysis
  • Experience with automation frameworks for backend testing, with good judgment on what to automate
  • Ability to think in scenarios, not just requirements
  • Experience testing data integration, ETL, or metadata driven platforms (nice to have)
  • Exposure to cloud based systems and containerized environments (nice to have)
  • Basic scripting or coding skills in Java, Python, or similar (nice to have)
  • Familiarity with CI pipelines from a quality ownership perspective (nice to have)
  • Experience handling production incidents or postmortems (nice to have)
Benefits
  • Flexible work arrangements
  • Professional development
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
backend testingmanual testingdata validationSQLautomation frameworksdata integrationETLJavaPythonCI pipelines
Soft Skills
analytical thinkingproblem solvingcollaborationattention to detailscenario thinking