Senior QA Engineer (Blockchain)

This position is located at our new Rakuten Blockchain Lab in Belfast. We are currently searching for a Senior QA Engineer to work as an integral part of the team promoting built-in quality through the establishment of robust practices and hands on test execution.

We value great engineers and are building out a new engineering function that can be successful and grow within the Rakuten eco-system. We expect the projects to be interesting yet challenging and provide an environment that should satisfy any engineer’s career aspirations and growth opportunities.
This is an exciting opportunity to be at the core of delivering blockchain based solutions and integration services that will enable the transformation of Rakuten businesses. You will work in small agile teams creating solutions for individual Rakuten companies as well as common platforms and services to be used across the organisation

For Rakuten Blockchain Lab in Belfast we are searching for a:

Senior QA Engineer (Blockchain)

We are looking for a passionate Senior QA engineer who can talk to us about real world problems that they have solved.  You should be able to demonstrate an interest in new and emerging technologies and be eager to take on new challenges.  You need to be able to work in a collaborative manner with colleagues across multiple office locations on different time zones.

We need a Senior QA Engineer who has both breadth and depth of knowledge, taking responsibility for test strategy and execution as well as coordinating the activities of other QA engineers in remote teams.   The successful candidate will have developed a knack for discovering corner cases as well as potentially risky code. They will take satisfaction from discovering problems with the design, long before it becomes an issue for the users.

We are not expecting candidates to have much direct experience of working on blockchain or distributed ledger projects, but we would most definitely expect them to be able to demonstrate a good understanding of blockchain fundamentals and have an appreciation for the opportunities and challenges for the technology.


  • 5+ years QA experience (previous Test Lead experience would be an advantage)
  • Proficiency in one or more scripting languages
  • Experience of test automation using a variety of tools
  • Hands on experience of managing multiple test environments
  • Prior experience of working with high availability, secure enterprise platforms in the financial services sector would be an advantage
  • Knowledge of planning, bug tracking & collaboration tools is essential
  • Working knowledge of testing the following:
  • RESTful APIs & SDKs
  • API Gateways (e.g. Kong)
  • Micro-service based architectures
  • cloud based systems (i.e. deploying and running in AWS, Azure, OpenStack, Google Compute Environment, etc.)
  • non-functional requirements (performance, security, failover etc.)


  • Bachelor’s Degree in Finance, Economics, or related discipline. MBA a plus.
  • 5-10 years of commercial lending, credit, or underwriting experience
  • Solid credit fundamentals in a commercial environment. Formal credit training a plus.
  • Strong written and verbal communications skills
  • Strong analytical and intuitive investigative skills
  • Ability to read, analyse, and interpret business financial statements
  • Must be detailed oriented
  • Ability to solve practical problems and interpret a variety of instructions furnished in oral, written, or schedule form.
  • Ability manage multiple tasks and prioritize workflows
  • Strong independent decision making capabilities
  • Fluency in English and French mandatory

  • Interesting and challenging fast paced environment
  • A chance to shape and build the business and inspiration to make a difference
  • Open and respectful multicultural environment
  • Professional, passionate, ambitious, but friendly team
  • Possibility for professional growth and international assignments
  • A friendly environment where teamwork matters and were we enjoy each other’s company in and outside work


  • Innovative and flexible people full of energy
  • Friendly team player with a professional mindset
  • Those who can think for themselves and take action
  • Willing to work in a dynamic, multicultural and global environment where multilingual skills are a big asset
  • Ambitious to grow as an individual within the company
  • Passionate about working in a global company which wants to make a difference by empowering society.

If you are interested in this position, meet these requirements and wish to actively participate in developing our company and join our highly motivated team, please send your detailed and informative application to Miriam Schäfer at, including your salary expectations and specifying your earliest possible date of joining!

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