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QA Engineer - Data Lake

QA Engineer - Data Lake

PayNet (Payments Network Malaysia)Kuala Lumpur, Kuala Lumpur, Malaysia
24 hari lalu
Penerangan pekerjaan

Overview

As a QA Engineer, you will play a critical role in designing, developing, and implementing automated testing frameworks to ensure the quality and reliability of our data-driven applications and APIs. You will be responsible for expanding test automation coverage, optimizing test strategies, and collaborating closely with development, data, product teams and other stakeholders. This role requires a strong understanding of software testing methodologies, API validation, performance testing, and automation tools.

Responsibilities

  • Test Strategy and Planning :

Contribute to test strategy formulation and drive improvements in test planning.

  • Define test scope, success criteria, and test environments for different projects.
  • Collaborate with stakeholders to align test coverage with business objectives.
  • Test Execution & Automation :

    • Implement and execute manual and automated test cases across APIs, databases, and UIs.

  • Expand automation test coverage using Python (pytest), Postman, and other frameworks.
  • Identify inefficiencies in the testing process and propose improvements.
  • Identify design flaws and inconsistencies; analyze design documents to identify gaps in requirements.
  • Investigate, track, and document defects using proper defect management tools.
  • Conduct root cause analysis and work with developers to ensure timely fixes.
  • Continuously monitor test results and improve stability.
  • CI / CD & Security :

    • Enhance CI / CD integration by automating test execution in GitLab pipelines.

  • Apply OWASP Top 10 security best practices in API and performance testing.
  • Maintain comprehensive test documentation, including test cases, scripts, and reports.
  • Work closely with Developers, QAs, and Data Engineers to improve QA processes.
  • Mentor Junior QA Engineers and provide technical guidance.
  • Coordinate software releases, including managing Change Requests (CRs) and ensuring items are tested in UAT, staging, and production (post-deployment).

    • Functional Competencies

  • Programming / Query Languages :

    • GraphQL : Expertise in query syntax, fields, arguments, types, and resolvers; create queries to test use cases and validate responses; handle errors and validate error messages; test GraphQL endpoints with tools like Postman.

  • SQL : Expertise in writing SQL queries to retrieve and validate data; construct queries for testing data integrity and accuracy.
  • Python : Scripting for automation tests against data structures, data quality, GraphQL / REST APIs, and data-related scripting; verify data accuracy across sources (DB, text files, PDFs, APIs).
  • Automation Testing Frameworks :

    • Advanced proficiency in Python-based testing frameworks (pytest, SGQLC, openpyxl, pdfplumber, etc.).

  • Familiarity with Postman; experience with k6, JMeter for API and system performance validation; knowledge of monitoring tools (Grafana, Datadog, Dynatrace).
  • Strong understanding of GitLab / Jenkins for automated testing.
  • API Development :

    • Experience in API authentication and authorization methods; familiarity with RESTful, GraphQL, and gRPC APIs.

  • Security :

    • OWASP Top 10 knowledge for API security assessment.

  • General Software Engineering Skills :

    • Familiarity with Git and Agile development practices.

  • Soft Skills :

    • Good collaboration with Developers, Data Engineers, and stakeholders; strong communication; analytical and problem-solving skills; ability to work in multidisciplinary teams and promote knowledge sharing.

    Qualifications & Experience

  • Minimum Qualifications

    • Bachelor’s degree in Computer Science, Information Systems Technology, or Software Engineering.

  • 3-5 years of QA / testing experience with a focus on automation and API testing.
  • Experience in Financial Services and / or Technology sectors is a plus.
  • Proficiency in English and Bahasa Malaysia.

    • Seniority level

  • Mid-Senior level

    • Employment type

  • Full-time

    • Job function

  • Information Technology

    • Location & Compensation

    Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia

    Salary : MYR 4,000.00 - MYR 7,000.00 per month

    Note : Referrals increase your chances of interview opportunities.

    WP. Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia

    #J-18808-Ljbffr

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