Stage développeur Frontend (React / Next.js / React Native) H/F

[SKALEET]

Skaleet is a dynamic and fast-growing tech company specializing in Core Banking Solutions. We help financial institutions in 15 countries to innovate, scale, and deliver superior banking experiences to millions of end-customers.

At Skaleet, we thrive on collaboration, creativity, and a shared passion for redefining the future of banking.

Join us in our journey to transform the financial industry!

We are constantly looking for talented individuals to help us continue developing our solution and achieve our goals: supporting financial institutions in their innovation journey.

[Job Description]

💡Context

You're joining the EcoBoosters team !

EcoBoosters is the frontend squad dedicated to boosting Skaleet ecosystems.

Our mission: to grow and streamline the interfaces connecting the various actors of the banking platform, businesses (Web Corporate), end customers (WebClient / ClientApp), and distributors (Web Distributor).

The squad's scope covers multiple cross-functional front-end applications (web and mobile). Our value lies in the consistency and scaling of the entire application ecosystem, not a single isolated vertical business domain.

🚀 The Team Is Made Up Of

• Aron, Frontend Tech Lead who will be your day-to-day manager
• 4 international developers based in India and Vietnam
• Rayhana, Product Manager
• External partner contributors
  
  

It is a distributed and multicultural environment, where we work daily in both French and English.

👉 Your future missions

Reporting to the Frontend Tech Lead, you will actively contribute to the squad's work across the following areas:

• Web and mobile development: contribute to the evolution of our React, Next.js and React Native (TypeScript) applications, in line with our quality standards.
• Refactoring: participate in cross-functional initiatives (e.g. revisiting the Payment Initiation flow) to make the codebase more maintainable and performant.
• Security & authentication: contribute to the cross-app integration of SCA (Strong Customer Authentication) and mobile authentication (OAuth2, PKCE).
• iOS CI/CD: participate in improving the iOS distribution pipeline (Fastlane, Xcode, certificate management, TestFlight) on our Scaleway Mac Mini runner.
• Quality & observability: contribute to internal tooling measuring squad health (code coverage, quality metrics dashboard, review health, team health).
• Technical debt reduction and test automation (unit, integration, end-to-end).
  
  

These missions will be tailored to your profile, your interests, and the length of your contract. You will have real ownership over your contributions and the opportunity to grow in autonomy over time.

🛠️ Technical Stack

• Frontend: React, Next.js, TypeScript
• Mobile: React Native
• CI/CD & mobile delivery: GitLab CI, Fastlane, Xcode, TestFlight
• Security & authentication: OAuth2, PKCE, SCA
• Quality & testing: unit and integration tests, Playwright (end-to-end), squad metrics dashboards
  
  

[Desired Profile]

✨ You Are a Great Match If

• Education: You are pursuing a Bac+5 degree in computer science (Master's, engineering school, or specialized school) and are looking for a 6-month end-of-studies internship
• Technical skills: You have already worked with, through personal projects, academic work, or internships:
• React and ideally Next.js,
• React Native for mobile application development,
• TypeScript, Git, and best practices (testing, code reviews).
• Languages: Fluency in French and English, both written and spoken.
• Interpersonal Skills: Collaborative, curious, and eager to learn, with a proven ability to thrive in distributed and multicultural environments.
• Bonus Points: An interest in fintech, payments, or cloud-native architectures will be a real plus.
  

[Terms & Benefits]

• Contract type: End-of-studies internship (6 months)
• Start date: September 2026
• Location: 148 Route de la Reine, 92100 Boulogne-Billancourt - On-site
• Compensation: 1.500€
• Meal vouchers: Swile, 9.50€ / day
• 50% public transportation reimbursement (Pass Navigo)
  
  

[Recruitment Process]

• A first video call with Maxime from the HR team to get to know each other and tell you more about Skaleet, our company culture & values (30’).
• A second interview with Rayhana (PM) and Aron (Tech Lead), to dive deeper into the specifics of the role (60’).
• A Use Case presentation and a Peer Programming exercice with Aron, at our offices in Boulogne (60').
  
  

We look forward to hearing from you !