Fullstack Developer (F# / C#)

TL;DR

Fullstack Developer (F# / C#): Develop and enhance a centralized B2B financial platform integrating with SAP S/4Hana cloud with an accent on functional programming, message brokers, and frontend-backend interoperability. Focus on designing scalable, reliable applications, improving financial cockpits, and adapting to European law changes.

Location: Hybrid in Paris, France

Company

Pioneer of online flash sales since 2001 and a key player in European e-commerce, collaborating with over 7,000 brands and operating across multiple sectors with 5,000 employees in 10 countries.

What you will do

• Develop new and redesign existing features of the Brand Payment product.
• Suggest interface improvements and maintain clean code with peer reviews.
• Ensure reliability and scalability of applications and meet production deadlines.
• Maintain proxy code interacting with third-party software like Flexicapture/OCR and Ivalua.
• Write technical documentation and provide level 2 support when needed.

Requirements

• Location: Hybrid work in Paris, France
• English: Fluent required
• 5+ years experience as a fullstack developer with proficiency in F#, C#, and .NET framework.
• Experience with functional programming, Kafka/RabbitMQ, JavaScript, TypeScript, Angular, SQL (PostgreSQL), Git, CI/CD, and REST APIs.
• Familiarity with cloud programming tools and strong testing practices (unit and integration tests).

Nice to have

• Experience with Kubernetes, microservices, Domain-Driven Design (DDD), Elastic/Kibana/Prometheus.
• Agile project management experience and proactive, dynamic attitude.
• Experience with AI prompting to accelerate development.

Culture & Benefits

• Variable bonus and dynamic international teams.
• Access to self-education courses on e-learning platform.
• Participation in local and international meetups and conferences.
• Flexible office with up to 2 days remote work.

Hiring process

• 30-minute HR screen with recruiter.
• General technical exchange.
• Technical interview with tech lead.
• Team interview.