Senior Developer Scala @Swan

  • Permanent contract 
  • Paris

The company



  • Incubator / Accelerator, Support
  • From 15 to 50 employees

The job

Senior Developer Scala @Swan

  • Permanent contract 
  • Paris


eFounders is a startup Studio.
Together with entrepreneurs, we turn unique ideas into successful companies.
Our motto? We build the future of work!
What we live for? We unleash the entrepreneurial potential of our founders!
Our pride? The 500+ employees across the world who currently work in a startup which started out as a simple mockup right here at eFounders.
Our companies? Mailjet • Textmaster • Mention • Front • Aircall • Hivy • Spendesk • Illustrio • Forest • Slite • Station • Upflow • Equify • Briq
We have new Saas projects in the making : Zenvest • Multis • Chilli • Bonjour • Swan and many more to come 🚀

About Swan
Corporations will drive the next wave of financial services.
Their customers, employees, and partners expect a seamless experience.
Their leadership envision ever-more integrated journeys.
But strict regulation, technical difficulty, and liability risks stand in the way.
We believe any company can become a fintech.
Our mission: empower corporations to offer a new class of payment services.


Job description


  • We’re building a highly resilient, fast and strongly secured banking platform
  • The project started a few weeks ago. You will be one of the first members of a close knit team taking on a massive product and engineering challenge. We will grow in the next 12 months to reach 10 people.
  • We think big - Day 1 we will serve all the Europe, next to the infinity and beyond.
  • We're the new startup out of eFounders. Collectively, eFounders' startups raised over $120M in 2018

Our Stack

  • Languages & Tools : Scala, Akka, Kafka, Cassandra, Lagom (not sur, POC to do)
  • Methodologies: CQRS, Event Sourcing, Clean code, automatic testing
  • Cloud : AWS, Container orchestration, Gateway, Message broker
  • CI/CD: Gitlab, Docker
  • And many many more ... but that it's just for your first mission

What you will do

  • Lead your projects from concept to completion.
  • Build and improve code across the entire stack. Quality is not a tradeoff!
  • Ship features and measure impact on usage every week.
  • How to build a financial security level application
  • Contribute to building our engineering team: participate in technical reviews, architecture, design systems...

Preferred experience


  • You’re a team player, a problem solver and a product builder.
  • You have 4+ years experience working with robust back-end service.
  • You’re knowledgeable about Scala and development methodology, process, and tooling
  • Bonus: You have knowledges about distributed system and CQRS/Event sourcing


  • A challenging work experience building a product and a team from scratch with the ambition to become the worldwide leader.
  • Strong technical culture.
  • Competitive salary.
  • Latest Macbook pro.
  • Lovely offices located in the heart of the Parisian startup ecosystem.
  • Free lunch delivered at work every day by Frichti or Nestor.
  • A smorgasbord of snacks while you work.

Meet the eFounders team

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