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Senior QA Engineer

Levi9 Technology Services • Iași, Romania

hybridfull-time
Posted Sep 22, 2026

**Role & seniority: ** QA Engineer (technical QA/Test Engineer) — 5+ years experience

**Stack/tools (from text): **

  • Languages/Scripting: Python, Java, or TypeScript (at least one)

  • Automation: extend/create automation frameworks (frontend + backend)

  • Cloud/Observability: AWS; CloudWatch, DynamoDB; logs/monitoring/observability

  • Testing domains: backend services, APIs, integrations, data layers, cloud environments

  • Data access: databases (preferably non-SQL)

  • Tech concepts: distributed systems, event-driven architectures; streaming/time-series exposure (nice-to-have)

  • AI tools: pragmatic use; provide context, validate reliability

  • Top 3 responsibilities:

    1. Own testing approach for new vehicle signals/data flows (analysis → planning → execution → reporting)

    2. Design and maintain technical test scenarios for data quality (completeness/accuracy/consistency/edge cases) and validate ingestion→processing→storage→reporting

    3. Investigate and resolve data quality issues using queries/logs/monitoring; collaborate with developers until root cause and fixes are confirmed

  • Must-have skills:

    • Test strategy/plans, acceptance criteria, and traceable test evidence

    • Strong backend/API/integration testing and data quality validation (incl. exception scenarios)

    • Database data retrieval/analysis (preferably non-SQL)

    • Test automation ability (e

Full Description

JOIN OUR QA ENGINEERING TEAM At Levi Nine we are passionate about what we do. We love our work and together in a team we are smarter and stronger. We work in a dynamic and challenging environment with talented and forward-thinking people who are part of creative and innovative teams. We are looking for skilled team players who make change happen. Are you one of these players?

PROJECT DESCRIPTION

  • Our customer is a world-leading provider of transport solutions, driving the shift towards a sustainable transport system and creating a world of mobility that is better for business, society, and the environment. The product-related services we work on help end customers streamline their transport operations. You will join a collaborative, customer-focused environment and contribute to the quality of digital services used to process and present vehicle-related data.

THE ROLE INVOLVES

  • Own the testing approach for new vehicle signals and related data flows, from test analysis and planning through execution and reporting.
  • Design, execute, and maintain technical test scenarios covering data quality, data completeness, accuracy, consistency, and edge cases.
  • Validate how vehicle signals are ingested, processed, stored, and presented in reports and applications.
  • Support the quality assurance of the reports, with a focus on vehicle emissions data and associated business rules.
  • Investigate data quality issues using analytical techniques, queries, logs, and monitoring information, and work with developers to identify root causes.
  • Perform manual and automated testing across relevant services, APIs, and data layers.
  • Test applications running in cloud environments and support quality checks across development, test, and production-like environments.
  • Collaborate closely with developers, product stakeholders, and other QA specialists to define acceptance criteria, risks, and appropriate test coverage.
  • Communicate test results, defects, and quality risks clearly, and take ownership of follow-up until resolution.

TECHNICAL PLAYGROUND

  • 5+ years of hands-on experience in a QA Engineer, Test Engineer, or similar technical testing role.
  • Hands-on experience with different types of Testing.
  • Experience defining test strategies, test plans, acceptance criteria, and traceable test evidence.
  • Strong experience testing backend services, APIs, integrations, or data-intensive applications.
  • Practical experience validating data quality, including completeness, accuracy, consistency, and exception scenarios (checking data coming from streams and APIs).
  • Hands-on experience retrieving and analyzing data from databases (preferably non-SQL).
  • Hands-on experience with test automation (frontend and backend), with the ability to extend existing automation frameworks and/or establish new frameworks from the ground up.
  • Working knowledge of at least one programming or scripting language, such as Python, Java, TypeScript.
  • Working knowledge of AWS and experience testing cloud-hosted applications, including investigating logs, querying databases, monitoring and observability (CloudWatch, DynamoDB).
  • Understanding of distributed systems, event-driven architectures.
  • Experience handling customer support cases.
  • A deliberate and pragmatic approach to using AI tools. Ability to provide effective context, guide AI through large or unfamiliar codebases, and critically evaluate the quality and reliability of AI-generated output.

NICE TO HAVE

  • Experience in automotive, connected vehicles, telematics, or mobility-related products.
  • Exposure to streaming technology or other high-volume time-series data.
  • Cloud certification or relevant training in data testing or data quality engineering.
  • Awareness of DevOps and Agile principles and a shift-left approach to quality.
  • Relevant university degree in Computer Science, Engineering, Data, or a related field.

SOFT SKILLS

  • Fluent English, with good written and verbal communication skills.
  • Strong engineering instinct (do the right thing), a deep understanding of computer science.
  • Strong interpersonal and assertive communication skills, great team member.
  • Flexible and adaptive working attitude - self-motivated and taking ownership.
  • Problem-solving and troubleshooting skills.
  • Desire to continuously learn and improve in a complex, rapidly evolving environment.

WHAT WE HOPE YOU MIGHT ENJOY

  • Great colleagues, a tech and fun oriented place to work
  • Personal and technical development through courses, training, conferences, and certifications under Levi9 Academy umbrella
  • Udemy for business
  • A delightful book with Bookster
  • Parenting sessions if needed
  • Team buildings (with the company, your project team, or your department)

Fun activities with colleagues sharing your passion (Ex: CSR campaigns, Movie Nights, Football, etc.) 21 annual vacation days + 1 extra day every two years Floating holidays Vacation Bonus Meal tickets Medical subscription Hybrid way of working Unlimited access to Levi9 gym

QA EngineeringTest automationAPI testingData quality validationPythonJavaTypeScriptAWSSQLNoSQLCloudWatchDynamoDBDistributed systemsEvent-driven architectureTest strategyData analysismulti-location

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