Wiselyst is looking for a freelance Backend Developer to partner with forward-thinking companies and build digital solutions that make a real impact. You will develop enterprise applications with a focus on microservices and cloud architectures, shaping technology that solves real-world challenges.

What You'll Do

Develop enterprise applications with an emphasis on microservices and cloud architectures.
Perform technical analysis, development, and integration via REST APIs.
Write automated tests and actively collaborate with the development team.

What We're Looking For

At least 3 years of experience in web application and API development in at least one of: C#/.NET Framework, Java EE/Spring, Node.JS/Express.js/NestJS, Python/Django/Flask/FastAPI, PHP/Symfony/Laravel, Go/Rust.
Experience using and querying RDBMS (Oracle, MS SQL Server, MySQL, PostgreSQL).
Development and integration skills using SOAP, REST, and WebSocket protocols.
Fluent proficiency in Italian and English.

Nice to Have

Knowledge of microservices architecture and use of MQTT, AMQP protocols, and event-based architectures.
Knowledge of OAuth2 authentication standard and use of JWT tokens.
Skills in using and implementing DevOps tools (Jenkins, Docker, Kubernetes).
Experience with unit testing and TDD.
Knowledge of front-end technologies like Angular or React.
Ability to collaborate as a freelancer (P.IVA).

Technical Stack

Languages & Frameworks: C#, .NET Framework, Java EE, Spring, Node.JS, Express.js, NestJS, Python, Django, Flask, FastAPI, PHP, Symfony, Laravel, Go, Rust.
Databases: Oracle, MS SQL Server, MySQL, PostgreSQL.
Protocols & APIs: SOAP, REST, WebSocket, MQTT, AMQP, OAuth2, JWT.
DevOps & Tools: Jenkins, Docker, Kubernetes, Angular, React.