Junior C++ Developer

Role Overview

Junior C++ Developers support the design, development, and maintenance of our high-performance trading software solutions. Under the guidance of senior Developers and Tech Leaders, they contribute to building reliable, low-latency, and scalable systems used by banks, brokers, and funds. They are expected to demonstrate accountability, commitment, and efficiency in all assigned tasks while continuously learning about trading technologies, development best practices, and financial market workflows. Their work contributes directly to product quality, client success, and the company’s overall growth.

Summary of Key Responsibilities

• Write, maintain, and debug C++ software components under supervision.
• Assist in testing, documentation, and performance improvement activities.
• Collaborate with team members in development, QA, and business analysis.
• Deliver assigned tasks efficiently, respecting deadlines and quality standards.
• Demonstrate accountability, autonomy, team spirit, and a client-first mindset.
• Commit to continuous learning and improvement in C++ development and trading technology.
• Provide regular updates and report activities to management.

Detailed Responsibilities

• Software Development and Maintenance

• Contribute to the design, development, and maintenance of C++ software modules with a focus on reliability, scalability, and low latency and real-time requirements for some software products.

• Write clean, scalable, maintainable, and efficient C++ and Python code following internal coding standards.
• Participate in code reviews and apply feedback to improve product quality and efficiency.
• Contribute to maintaining product quality and consistency across releases.

• Quality, Accountability, Efficiency, and Compliance

• Design, implement and execute automated unit tests to conduct unit, integration, and performance testing to guarantee product quality and stability.
• Proactively assist in debugging, troubleshooting, and resolving software issues.
• Follow internal development and delivery processes with attention to efficiency, deadlines, and compliance.
• Maintain confidentiality of proprietary code, client data, and internal methodologies.
• Write, edit, and maintain technical documentation for trading software, and ensure that all documents are accurate, consistent, and aligned with the latest product versions and releases.
• Review and update existing documentation to maintain quality, relevance, and compliance with standards.
• Deliver tasks within agreed deadlines, maintaining high standards of efficiency and professionalism.
• Provide regular updates and report activities to management.

• Collaboration and Client Success

• Work closely with senior Developers, Business Analysts, Quality Assurance Specialists to understand technical and functional requirements.
• Demonstrate strong communication and teamwork, fostering a culture of accountability and professionalism.
• Participate actively in the team’s efforts to achieve shared goals and continuous product improvement.
• Support the development of reliable, scalable solutions that contribute to client satisfaction and product success.

• Learning, Growth, and Contribution

• Commit to continuous professional growth through on-the-job learning and self-study.
• Acquire a deep understanding of trading workflows, financial markets, and real-time system requirements.
• Stay informed about new technologies, best practices, and development tools.
• Show initiative, curiosity, and dedication to becoming a fully autonomous software engineer.

Profile & Qualifications

• BSC in Computer Science, Engineering or relevant field.
• Knowledge of C++ (C++11 or later preferred), Python and object-oriented programming principles.
• Experience with multi-threaded, high-performance, and network programming.
• Basic knowledge of Linux environments.
• Familiarity with Agile methodologies, Atlassian suite (Bitbucket, Jira, and Confluence) and software development processes.

• Familiarity with Version Control Systems and CI/CD tools (e.g. Git, Jenkins). Autonomy in using debugging and profiling tools.

• Experience with financial systems, trading workflows, or market data preferred.
• Strong sense of accountability, responsibility, and commitment to deadlines.
• Team-oriented mindset, with efficiency and product quality as guiding principles.
• Excellent problem-solving and analytical skills, with attention to detail.
• Willingness to learn about financial systems, trading technology, and market workflows.
• Fluency in English and Italian (written and spoken).
• Commitment to confidentiality, professionalism, and continuous improvement.

Euronext Values

Unity

•        We respect and value the people we work with

•        We are unified through a common purpose

•        We embrace diversity and strive for inclusion

Integrity

•        We value transparency, communicate honestly and share information openly

•        We act with integrity in everything we do

•        We don’t hide our mistakes, and we learn from them

Agility

•        We act with a sense of urgency and decisiveness

•        We are adaptable, responsive and embrace change

•        We take smart risks

Energy

•        We are positively driven to make a difference and challenge the status quo

•        We focus on and encourage personal leadership

•        We motivate each other with our ambition

Accountability

•           We deliver maximum value to our customers and stakeholders

•           We take ownership and are accountable for the outcome

•           We reward and celebrate performance

We are proud to be an equal opportunity employer. We do not discriminate against individuals on the basis of race, gender, age, citizenship, religion, sexual orientation, gender identity or expression, disability, or any other legally protected factor. We value the unique talents of all our people, who come from diverse backgrounds with different personal experiences and points of view and we are committed to providing an environment of mutual respect.

This job description is only describing the main activities within a certain role and is not exhaustive. It does not prevent to add more tasks, projects.