Software Development Engineer in Test

Who we are

Sentillia is the company behind Deribit, a cryptocurrency derivatives Exchange and the market leader in crypto options. We primarily serve large and advanced traders, including some of the top High-Frequency Trading Firms, Hedge Funds and Asset Management Firms. We are proud to be one of the best performing crypto-specialized exchanges in terms of liquidity and low latency round trip times, but humble enough in our aim to do even better every time.

The majority of Sentillia activities are based around the Deribit UI and platform, an advanced crypto derivatives trading system with thousands of high-end users worldwide: we are always looking for ways to add new features and make our platform better, smarter and visually more attractive. Want to know more? Take a look at our user interface.


Why we need you (and what we need you for)

We are on the lookout for a SDET to drive quality assurance excellence for our crypto derivatives exchange. With a multifaceted testing approach that includes acceptance tests (API and FIX), end-to-end tests, and simulation tests, our environment promises an exciting, challenging, and growth-oriented tenure.
Our test framework tech stack is built using Cucumber + Typescript for API and simulation tests. As an SDET, you’ll be instrumental in collaborating and contributing to our test framework for functional and non-functional tests. We are continuously evolving our QA practices and tech stack so you’ll be able to have an impact and help set the direction of tooling/frameworks and testing approaches.

Your activities include:

  • Develop and implement test plans and strategies.

  • Exploratory, manual testing, and writing bug tickets.

  • Contribute to and build various aspects of the automation architecture and infrastructure to support automation at different stages of continuous delivery.

  • Collaborate with product, risk, and development teams on testing requirements and defining acceptance criteria.

  • Contribute to building and maintaining the regression test pack, gain a deep understanding of product to eventually serve as a Subject Matter Expert (SME), and assist in maintaining test cases and related documentation.

  • Promote a culture of high-quality communication, collaboration, and automated testing methodologies.

  • Assist developers to help understand the system flows and document the product behavior.

What we expect from you

  • A minimum of 5 years in a QA-focused role with expertise in test automation.

  • Strong knowledge of software QA methodologies, tools, and processes.

  • Proficient in at least one programming language; expertise in TypeScript/Python is highly regarded.

  • Solid hands-on experience with building automation frameworks.

  • Experience in the financial trading domain or crypto in general is an advantage; a keen interest in the same is expected.

  • Experience in CI/CD tooling and creating pipelines is desired.

  • Strong organizational skills and a proven track record of independent workload management.

  • Have a “roll up your sleeves” attitude and be willing to meet challenges head-on.


What we offer you

  • Above market-rate salary with high bonus potential

  • Challenging and entrepreneurial environment: we highly value any ideas/initiatives, regardless of role or experience

  • Flat organizational structure and fresh, non-corporate culture

  • 25 days of paid vacation

  • Facilitation of courses and training in-house and external

  • Work at a global company with the potential to travel to Poland, Panama, and the UK

  • Free lunches at the office and many social events

  • Free gym membership

  • Free 1-on-1 Dutch lessons (provided you’re a non-Dutch)

  • Free bicycle if used for commuting, or paid commute to and from the office

  • All necessary devices (MacBook Pro and monitor) of your choice

  • Remote working for 1–2 days a week can be discussed

Are you in?

If all of the above appeals to you and if you think you fit the requirements, simply click the button and fill out our online application form now. Want to know more first? Just reach out to Manon Ten Holter, mtenholter@sentillia.com.


A bit more about Sentillia and Deribit

Our company’s story starts in 2014, when John Jansen came up with the bright idea to build a dead-fast and robust cryptocurrency derivatives exchange platform. A dedicated place where options and futures of bitcoin and other crypto coins could be traded in high volumes and with minimal delay (low latency), allowing traders to post thousands of orders per second.

The name of this platform: Deribit. The company that made it happen: Sentillia. Better known by our platform name, we were soon recognized as trusted pioneers in the field of crypto derivatives*. We were the first to launch European->

From the first day of trading, July 13, 2016, we are guided by our values: knowledge-driven innovation, trustworthiness, responsibility, education and independent co-creation. Our developers feel right at home in the Netherlands: Amsterdam is traditionally a city of innovators, entrepreneurs and traders and hosts one of the oldest traditional derivatives exchanges in the world. An inspiration in and of itself.

*Contrary to many other exchanges, Deribit primarily focuses on BTC, ETH and SOL derivatives. It currently offers perpetuals, futures, and options on these assets. Deribit prides itself as a crypto-only exchange with all contracts settled in BTC, ETH, SOL or USDC.

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Deribit

Location: NH Amsterdam NL

Posted: 09 May 2025

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