AI-Enhanced Node.js/C++ Backend Engineer — Hybrid

arsys ES; Valencia; Hybrid; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Hybrid work model

Flexible hours

Discounts on ARSYS products

Discounts on technology brands

Biannual team events

Job summary

ARSYS ES is seeking a backend engineer to translate architectural specifications into production-grade code. You will build a hybrid Node.js-C++ system and optimize performance in a fast-paced, international team.

You will use Docker, Make, CMake, and AI-assisted development tools to accelerate delivery while applying test-driven approaches. Hybrid work in Valencia and other offices is offered.

Qualifications

• Strong Node.js development experience.
• Ability to read, understand, and debug C++ code.
• Experience in Linux environments.
• Familiarity with Docker, Make, and CMake.

Responsibilities

• Develop backend components in Node.js and high-performance C++ integrations.
• Translate technical specifications into functional solutions and accurate implementations.
• Use AI tools to accelerate development, validation, and code improvement.
• Apply test-driven approaches to ensure robustness and stability.
• Manage and optimize build environments (Docker, Make, CMake).
• Analyze system performance and identify bottlenecks in Node.js-C++ interactions.
• Refactor legacy code into clean, maintainable, high-performance solutions.
• Collaborate with architecture roles to continuously improve the system.

Skills

Node.js

C++

Linux

AI-assisted development

Testing

English communication

Tools

Docker

Make

CMake

Cursor

Claude

Job description

ARSYS ES is seeking a backend engineer to translate architectural specifications into production-grade code. You will build a hybrid Node.js-C++ system and optimize performance in a fast-paced, international team.

You will use Docker, Make, CMake, and AI-assisted development tools to accelerate delivery while applying test-driven approaches. Hybrid work in Valencia and other offices is offered.