Básico

Senior Software Engineer

madrid, Spain Compañía: JR Spain Cliente / Empleador: CIS Electronics Engineering
Publicado: 21.05.2026
Fecha de cierre: 05.07.2026
Referencia laboral: 163a31bc901fd57beac3a52925d81d50

Información del puesto

Ubicación
madrid, Spain
Compañía
JR Spain
Cliente / Empleador
CIS Electronics Engineering
Referencia laboral
163a31bc901fd57beac3a52925d81d50
Tipo de listado
Básico
Se requiere permiso de trabajo de la UE
No
Publicado
21.05.2026
Fecha de cierre
05.07.2026

Descripción del puesto

Freelance Project Opportunity – Senior Software Engineer (Madrid, Hybrid)


We are looking for a Senior Software Engineer to join a freelance project in Madrid.

This is a hybrid role with regular on‑site work required.


Key Skills & Experience:


  • Strong background in C/C++ development for embedded systems
  • Proficiency in Linux
  • Experience in software design & architecture for real‑time sensor applications
  • Knowledge of CI/CD processes and version control
  • Familiarity with SoC platforms
  • Ability to analyze and refactor legacy C++ code
  • Experience with API design & development (REST, ONVIF, CGI)
  • Strong knowledge of internal protocols: MQTT, serial communication, sockets


Location: Madrid (Hybrid, regular on‑site presence)

Habilidades

ABAP adapt to changes in technological development plans AJAX Ajax Framework analyse software specifications Ansible Apache Maven Apache Tomcat APL ASP.NET Assembly (computer programming) blockchain openness blockchain platforms C COBOL CoffeeScript collect customer feedback on applications Common Lisp computer programming create flowchart diagram cyber attack counter-measures data visualisation software debug software defence standard procedures define technical requirements design user interface develop automated migration methods develop creative ideas develop software prototype do cloud refactoring Drupal Eclipse (integrated development environment software) engineering principles engineering processes Erlang Git Groovy Haskell IBM WebSphere ICT debugging tools ICT security legislation identify customer requirements integrate system components integrated development environment software Internet of Things interpret technical requirements Java (computer programming) JavaScript JavaScript Framework Jenkins (tools for software configuration management) KDevelop Laravel Lisp manage engineering project Matlab Microsoft Visual C++ migrate existing data ML (computer programming) MySQL NoSQL object-oriented modelling Objective-C OpenEdge Advanced Business Language Oracle Application Development Framework Pascal (computer programming) perform scientific research Perl PHP Project Management Prolog (computer programming) Puppet (tools for software configuration management) Python (computer programming) R Ruby (computer programming) Salt (tools for software configuration management) SAP R3 SAS language Scala Scratch (computer programming) screen reader Smalltalk (computer programming) smart contract software anomalies software frameworks Spark SQL STAF Swift (computer programming) technical drawings tools for software configuration management Trading Software TypeScript use an application-specific interface use automatic programming use concurrent programming use functional programming use logic programming use object-oriented programming use query languages use software design patterns use software libraries use technical drawing software utilise computer-aided software engineering tools utilise machine learning VBScript Visual Basic Web Services WordPress World Wide Web Consortium standards Xcode

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