Back-end Developer

Regio: Leusden
Uren per week: 40 uur
Functieniveau: Ervaren
Branche: Zakelijke dienstverlening

— Being a Dutch resident is required to apply for this vacancy! —

Are you bursting with new ideas? Are you willing to work outside your comfort zone? Can you learn from your mistakes and move on? Then you are ready to join our start up and together take Sygno to the next level!

The challenge

Sygno- a trade name of Fraud Dynamics B.V.- is a next generation Regtech, provider of Automated Machine Learning software for Transaction monitoring. Our customers are in the financial sector worldwide. 

We are calling on you to help us as Backend Developer, designing and developing our applications. Qualified candidates will be expected to have a working knowledge of Python, Flask, and SQLAlchemy. Your duties will include building the backend interacting with our frontend. You will help transforming the needs of the business into reusable code and building high-quality components with scalability in mind. You will be involved in every step of the process in developing our technology. As Backend Developer you will also be involved in deploying our application, making sure it runs smoothly, and optimizing the database.

Be part of a dedicated team of Software professionals making a difference at Sygno as a Backend Developer. 


  • Design and build applications with python development best practices
  • Transform designs into backend code with Python, Flask, and SQLAlchemy
  • Maintain the database and make sure it works smooth and fast (including but not limited to: PostgreSQL, Oracle, MSSQL, MySQL/MariaDB)
  • Work with frontend developers to integrate UI components with APIs
  • Debug errors, troubleshoot issues, and perform routine performance optimizations
  • Write high-quality, scalable, and reusable code
  • Stay plugged into emerging technologies and industry trends

You, as a Back-end Developer

Minimum qualifications

  • Bachelor's or master’s degree in computer science or a related field
  • Minimum of 3 years of experience developing modern applications using Python, Flask, and SQLAlchemy.

Preferred qualifications

  • Relevant experience in IT industry and financial sector
  • Experience in Agile projects
  • Experience in Linux command line
  • Knowledge of Docker and/or Kubernetes


  • Strong communicator and fluent in (spoken and written) English.
  • Team player
  • Willingness to learn
  • A good sense for product development opportunities and up to speed with current trends


What we can offer

  • Attractive salary (€ 3.000- €4.000 gross income per month depending on experience), 8% holiday allowance, 30 vacation days
  • Our office is located in Leusden (cycling distance (4 km) from Amersfoort Station)
  • Our employees usually work at the office 2 days a week and from home on the other days
  • Work in a multicultural and diverse environment

Sygno is an Equal Opportunity Employer and considers applicants for all positions without regard to race, color, religion or belief, sex, age, national origin, citizenship status, marital status, genetic information, sexual orientation, gender identity, physical or mental disability or any other characteristic protected by applicable laws. Sygno is committed to creating a dynamic work environment that values diversity and inclusion, respect and integrity, customer focus, and innovation. 

Contact onze recruiter

Bart Eijsma

Recruitment Consultant

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