Backend Developer - International Project

ALTEN Delivery Centre Spain; España; Remote; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Long-term contract

International project

Remote work with flexible schedule

Travel abroad with project

Specialized training and development

Social benefits and flexible comp plan

Job summary

ALTEN Delivery Centre Spain is seeking a qualified Backend Developer to join an international team of professionals. You will design and implement device interfaces using RESTful APIs and WebSockets, while ensuring secure and scalable backend services.

The role involves real-time data handling, database integration (SQL/NoSQL), and authentication with OAuth2/JWT, with Git, Docker and CI/CD pipelines shaping the workflow.

Qualifications

• Strong knowledge of Rust development.
• Experience with RESTful APIs and WebSockets.
• Proficiency with SQL (PostgreSQL) or NoSQL (MongoDB).
• Experience implementing OAuth2/JWT authentication and authorization.
• Ability to optimize backend for real-time data.

Responsibilities

• Implement device interfaces using RESTful APIs and WebSockets.
• Support device operation, configuration, monitoring, diagnostics and servicing through backend services.
• Implement data access and persistence using SQL or NoSQL databases.
• Implement authentication and authorization, using OAuth2 or JWT.
• Optimize backend performance for real-time data and parallel operation of multiple devices.
• Use Git, Docker and CI/CD pipelines throughout the development and delivery workflow.
• Ensure backend implementation meets project requirements for security and maintainability

Skills

Rust

Tools

RESTful APIs

WebSockets

PostgreSQL

MongoDB

OAuth2

JWT

Git

Docker

CI/CD

Job description

Are you looking for the next challenge in your career?

Would you like to be part of an exciting highly qualified team of professionals in an international environment?

We are currently looking for a qualified Backend Developer

Join an international division and work alongside some of the most talented engineers and technicians from all over the world.

• Long-term secure contract.
• International Project with top technologies
• Possibility of working remotely with a flexible schedule.
• Integration in a highly qualified team of professionals.
• Travel abroad with your project.
• Specialized training and continuous professional development.
• Social benefits and flexible compensation plan.

Responsibilities:

• Implement device interfaces using RESTful APIs and WebSockets.
• Support device operation, configuration, monitoring, diagnostics and servicing through backend services.
• Implement data access and persistence using SQL or NoSQL databases.
• Implement authentication and authorization, using mechanisms such as OAuth2 or JWT.
• Optimize backend performance for real-time data and the parallel operation of multiple devices.
• Use Git, Docker and CI/CD pipelines throughout the development and delivery workflow.
• Ensure backend implementation meets project requirements for security and maintainability

Requirements:

• Rust: Strong knowledge of development in Rust.
• API Development: Experience with RESTful APIs and WebSockets.
• Databases: Proficiency in SQL (e.g., PostgreSQL) or NoSQL (e.g., MongoDB).
• Security: Experience implementing authentication (e.g., OAuth2, JWT) and authorization.
• Performance Optimization: Ability to optimize backend systems for real-time data.
• Tools: Git, Docker, CI/CD pipelines (e.g., GitLab CI, Jenkins).

We positively value all work or study experience abroad.

All positions require a high level of English (at least B2) -