Data QA Engineer

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Data QA Engineer

Ninety Percent of Everything is looking for an experienced professional to join the team on a full-time basis, as Data QA Engineer. Our goal is to revolutionise shipping by creating a suite of comprehensive software solutions for the Maritime industry. Our journey begins now. Over the next couple of years, our teams and squads will build more than 30 products from the ground up. This includes everything from global vessel tracking to vessel performance analysis, crew optimisation and so much more. This is an exciting and challenging opportunity to apply cutting-edge technology to revolutionising an iconic industry.

Introduction to 90PoE

Our tech stack consists of React, React Native and Flutter applications communicating using GraphQL to microservice containers orchestrated by Kubernetes. Most of our services is written in Golang with stream processing in Java, they use gRPC for communication, achieve high scalability thanks to Apache Kafka based event driven architecture, persist data to a mix of RDBS and No-SQL databases including PostgresDB, MongoDB, Cassandra, S3 and Elasticsearch. We follow CI/CD and agile methodologies to deploy into production multiple times per week.

The Role:

90POE’s mission is big. It is not going to be easy but with the support and determination from our stakeholders and the brilliant people we have hired we can achieve anything. Right now, we are seeking an experienced Data QA engineer to validate our data stream pipelines. Raw Data is streamed in our system by processes like ETL, after aggregation, enrichment and manipulation results are saved into materialized views that product teams rely on to build user applications. 90poe is looking to improve the capability of testing such data pipeline. We expect that the right candidate would acquire maritime domain specific knowledge, thanks to the high exposure to domain data, therefore no prior domain expertise is required.

What’s in it for you?

  • Working with latest cutting-edge data streaming technologies
  • Helping to disrupt a century old industry in a startup environment
  • Having direct influence in how we build our data streaming platform at 90poe
  • Opportunity to grow and develop your core skills
  • Deliver a green field system
  • Work with a diverse multicultural team in an agile environment
  • Variety of knowledge sharing and self-development opportunities
  • Competitive salary
  • State of the art, cool, centrally located offices with warm atmosphere, which creates good working conditions
  • Opportunity to travel tothe London office
  • Occasional visits to vessels to observe how our software and hardware is being used in the real world
  • Experience firsthand the squad-chapter-guild workflow model, our version of the Spotify model

What you will be responsible for:

Primarily we are looking for somebody to manage from design to execution the testing phase related to all time-series streaming data pipelines:

  • Define acceptance criteria
  • Prepare test data
  • Designing and develop tests, mocks and stubs
  • CI/CD pipeline building
  • Test results analysis

This is a hands-on position for an expert QA engineer. In addition to practical coding and QA skills, an important aspect is played by soft skills tasks such as:

  • Researching, gathering, organizing tests around data
  • Evangelizing the importance of testing with real-world data to strength the system
  • Enhancing a cultural shift in intensive data applications development cycle


  • 3+ years of experience in Software development as Automation QA / SDET
  • Strong prooved experience building complex e2e solutions from scratch
  • Ability to analyze and troubleshoot complex data-based testing scenarios
  • Familiarity with cloud-based / micro-services architecture

Nice to have:

  • Experience with any messaging system
  • k8s experience
  • SDET experience desirable

More about you:

  • Good level of English
  • Willingness to learn and open mind about new technologies
  • Confident to operate in a fast-paced environment
  • A collaborative approach and willingness to engage in an environment of active idea sharing
  • Ability to learn autonomously
  • Excellent all-round communications skills

How to apply?

If you are interested – please send your CV to OpenOcean Careers

Come and join us in transforming one of the oldest global industries

Submit your CV