You want to join a company that places people at the heart of its concerns? We are waiting for you at Extia!

As a consulting company specialized in IT and digital sectors, Extia has prioritized an approach that combines performance and well-being at work since its creation in 2007. This vision is shared today by more than 2,500 Extians across France and internationally, and has been recognized by the Great Place to Work® certification for 15 years!

We believe in equal opportunity and offer every candidate the chance to reveal their potential, without distinction of any kind. At Extia, it's "First who, then what" so, let's do it!

First who

You are a results-oriented professional who thrives in the intersection of high-performance computing and complex financial systems. You don't just write code; you take ownership of the entire lifecycle. You are an excellent communicator, fluent in English, and ready to make an impact

Then what

As a Senior Developer you will lead the design, development, and deployment of mission-critical software solutions. You will bridge the gap between low-level system performance and high-level functionality.

Key Responsibilities

Lead the design, development, testing, and maintenance of robust, high-performance software components. Execute end-to-end development tasks, managing both frontend and backend layers with a focus on reliability. Implement and optimize multi-threaded C++ applications to ensure maximum responsiveness and minimal latency. Perform advanced database development and optimization using Oracle PL/SQL and relational principles. Manage Linux network configurations, low-level APIs, and ensure seamless communication via TCP/IP protocols. Improve system integrity through automated testing frameworks (Jenkins), Wireshark debugging, and proactive rollout strategies.

Key Requirements

Expert-level proficiency in C/C++ and scripting (Python/Bash). Experience with Java is a major plus. Proven track record in delivering full-stack solutions and managing complex requirements. Solid know-how of Linux/Windows OS, including embedded RTOS systems and Yocto distributions. Deep understanding of TCP/IP, network protocols, cybersecurity principles, and network component management. Proficient in GIT and Agile workflows. Experience with Jenkins for test automation is essential. High level of accountability, expertise in requirement management, and a collaborative spirit.

Nice to Have

Experience with Bootloader or Kernel development. Software packaging expertise (RedHat Package Manager). Familiarity with Linux Containers (Docker, LXC, Kubernetes). Knowledge of SNMP protocol and infrastructure tools like DOORS and Jira.

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Missions

Profile required

Software Engineer M/F

Permanent contract

Milan

First who

Then what

Missions

Profile required

First who

Then what

Milan