We are seeking a talented and ambitious JavaScript Ninja to join our innovative startup. If you're passionate about cutting-edge technologies and want to contribute to the growth of a dynamic team, this role is perfect for you. As a JavaScript Developer, you will have the opportunity to shape and enhance our fintech products, delivering impactful solutions in a rapidly evolving industry. You must be fluent in English, and have proven experience building JS applications, both Front and Back.
We work flexibly, on average 2d/w at the office, without strict locations. We have our offices in Amsterdam, Brussels, and Heerlen.
Responsibilities
In this role, you’ll be responsible for designing, building, and maintaining Hyfen’s state of the art software services. You will work in one of our project teams to write reusable, testable, and efficient code and to implement high-availability applications. You’ll be responsible for ensuring the proper respect of security practices and data protection. You’ll be expected to discover, plan, develop, document, and maintain new and existing integrations and endpoints. You will have a key responsibility in our 24/7 operations, and be one of the drivers for the software architecture, tooling, and integration strategy choices made by HYFEN.
Concretely, we’ll expect you to :
Design, build and maintain our software services
Integrate user-facing elements developed by front-end developers with server side logic
Build reusable code and libraries for future use
Optimize applications for maximum efficiency and scalability
Implement security and data protection
Design and implement data storage solutions
Must Have Skills
Concepts & Principles
Software architecture and security best practices / standards
Authentication and authorization between multiple systems, servers, and environments
Integration of multiple data sources and databases into one system
Database schemas (aligned with business processes)
Automated testing platforms and unit tests
Code versioning
OWASP security principles
Certificates & SSL, CORS
Interfacing via REST APIs (incl. designing API Flows & Writing Specifications)
Setup and administration of backups
Networking (incl. DNS, Encryption, VPN, firewalls, reverse proxies, …)
Agile and Scrum
Operating Systems:
MacOS or Windows
Linux
Technologies:
Microsoft Azure
Github Actions (developing and using)
NodeJS
React
Containerization (Docker)
Kubernetes
Databases (MySQL)
Version Control (git)
Visual Studio Code
The Cherry on top
You’d really stand out if you have experience with:
Kubernetes
Helm
Cert Manager
Ingress Controllers
Database Migration
Prometheus (and Grafana)
Elastic Stack (ELK)
Personality
We are looking for someone dynamic, a team player at heart, eager to learn, and ready to jump on new topics while taking ownership in delivery.