Company type:
Product company
Company website:
Employees count:
Creation date:
Lemonway is a pan-European Payment Institution. We offer a secure, compliant and efficient payment solution for B2B, B2C, C2C marketplaces and alternative finance platforms. We have the ambition to be a key player in the new economy by providing a top-notch regulated and unified leading payment solution for marketplaces and alternative finance platforms all over Europe. Since its creation, Lemonway is ever-growing and has won several awards along the way: National Research Competition in 2008, Top 10, FINTECH 100 in 2019, CB Insights Fintech 250, MPE Awards in 2018. Lemonway has self-financed its growth for 10 years and then raised €35M from three VC funds, Breega Capital, Speedinvest and Toscafund Asset Management. Today, Lemonway’s portfolio of partners include Metro, the Federation Française de Football, Kiabi, Engie, Acer, October, Cré, Helloasso to name a few.

Senior Software Engineer (M/F)

Recruiter Vincent Cotro
Published by Vincent Cotro12 days ago
Paris, France
|Remote occasionally allowed
Permanent contract
> 2 years of experiences

Senior Software Engineer (M/F)

About us
French #Fintech Lemonway is a European accredited Payment Institution for the new economy and operates over 29+ countries.

Lemonway processes payments for marketplaces and crowdfunding platforms, by providing duly compliant payment services: KYC, crediting, fraud detection. We also secure funds and payments through a high-standard and high-performing product fully adaptable to our customer needs.
Join a hyper-growing and exciting company that brings one of the most powerful payment factory into a booming market:

  • 90+ motivated and talented employees.
  • Shape the future of payments and work in the heart of the new digital economy.
  • Be part of a supportive, knowledge-sharing team that empowers every single talent to reach their full potential.
  • Work in a Tech and dynamic environment.
  • Office in Paris downtown with a nice working environment.

About the position

We are looking for a Senior .NET/C# Developer to join our Tech team. Reporting to one of our Tech Leads, you’ll join one of our squads. These squads are organized around four domains : Payments, Cash management, Compliance and Dashboard.
In this role, you will be responsible for :

  • Work with your team on delivering new features, expanding and maintaining existing features.
  • Propose and setup technical improvements.
  • Participate in code reviews.
  • Share your knowledge and learn from others.

About you
Desired functional skills

  • Experience with card payment processing and settlement.

Desired technical skills

  • Strong experience with .NET Core / C#.
  • You also have experience with another development language (NodeJS, Go…).
  • TDD, Pair programming, software craftsmanship are not only buzzwords to you, they are part of your DNA.
  • Experience with microservice architectures..
  • Experience with some bits of our tech stacks:
    • RabbitMQ
    • Redis
    • Elasticsearch
    • Sql Server
    • MongoDB

Desired soft skills

  • You love working as part of a team, sharing your experience in a Agile environment.
  • You are good at communicating and you are benevolent.
  • You love solving hard and complex problems.
  • You love learning and experiencing new things.


  • At least 2 years of experience with similar technologies.
  • Experience within a growing startup environment preferred.

 What's in for you

  • Contract type - CDI (Full Time - Permanent Employment Contract).
  • Location - super cool office based in central Paris (Sentier). 
  • Flexible working and remote policy up to 3 days a week.
  • Enjoy your food allowance with a Swile card. 
  • 50% reimbursement of your Navigo pass. 
  • Mutuelle Alan.
  • 25 days of holidays.
  • Annual Holidays Bonus.
  • International environment.




Super cool office (sentier)
Flexible working and remote policy
Food allowance
50% reimbursement on Navigo Pass
Mutuelle Alan
25 days of holidays
Annual Holidays Bonus
International environment
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