We are looking for a Node.js Developer to join our team and help build and maintain scalable backend services. You will be responsible for designing, developing, and optimizing backend solutions using Node.js, TypeScript, and frameworks like Express and NestJS.
The ideal candidate has strong technical expertise in building REST APIs, managing asynchronous processes, and ensuring security and performance best practices. We value professionals with strong Test-Driven Development (TDD) skills and the ability to mentor and collaborate effectively with other developers.
Key Responsibilities :
* Develop and maintain backend services using Node.js and TypeScript.
* Design and implement RESTful APIs that are efficient, scalable, and maintainable.
* Work with asynchronous programming paradigms and apply best practices to avoid pitfalls.
* Actively participate in the design and development of the payment system, addressing edge cases such as failures, retries, concurrency issues, and ensuring a consistent and seamless user experience.
* Ensure security compliance, authentication, and authorization between multiple systems and environments.
* Design database schemas that effectively support business processes.
* Collaborate with frontend developers to integrate user-facing elements with backend logic.
Requirements :
* Proven experience in the payments, banking, or FinTech industry, with a solid understanding of industry-specific challenges and requirements.
* Hands-on experience with Node.js frameworks such as Express and NestJS.
* Experience building and consuming REST APIs.
* Knowledge of asynchronous programming, event-driven architecture, and microservices.
* Experience with authentication & authorization mechanisms (JWT, OAuth, session management).
* Strong understanding of scalability principles for distributed applications.
* Experience in database integration (SQL and NoSQL) and designing efficient schemas.
* Knowledge of security best practices, including data protection, encryption, and compliance.
* Demonstrate exceptional problem-solving skills, with a focus on scalability, performance, and security.
* Hands-on experience with automated testing frameworks (Jest, Mocha, etc.).
* Familiarity with Git for version control and collaborative development.
* Experience with AWS is a plus.
* Experience with CI/CD pipelines for automated deployments.
* Familiarity with GraphQL and WebSockets.
* Experience with Docker and Kubernetes for containerized environments.
* Understanding of cloud platforms like AWS, Azure, or GCP.
* Familiarity with Terraform and Jenkins for deployment and infrastructure automation.
* Knowledge of PCI DSS (Payment Card Industry Data Security Standard) compliance and best practices for securing payment systems.
What we offer :
* Budget of 1,200€ in individual training for you to use it in whatever you want (technological events, books, trainings, certifications, etc.).
* Follow-up with your team every month for continuous feedback.
* Private medical insurance fully paid by Capitole.
* Flexible remuneration (restaurant tickets, transport and/or childcare).
* Wellhub (Gympass).
* Discounts on major brands for employees (Club Capitole).
Information Security Policies :
* Will have access to confidential information related to Capitole and the project they are working on.
* Must comply with the security policies and internal policies of the company and the client.
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