Software Engineer Intern

About Mirakl:

Founded in 2012, Mirakl has been at the forefront of marketplace innovation, empowering every business to compete in the platform economy.

Today, Mirakl’s operating system combines an enterprise marketplace solution (Mirakl Platform) that enables retailers and B2B organizations to launch, scale, and operate marketplaces and dropship, AI-powered multichannel selling (Mirakl Connect), retail media (Mirakl Ads) and an agentic commerce infrastructure (Mirakl Nexus).

With dual headquarters in Boston and Paris, Mirakl helps a global ecosystem of 450+ marketplaces (B2C and B2B) and a network of over 100k third-party marketplace sellers. Brands like Macy’s, Decathlon, Carrefour, Asos, and Airbus Helicopters use Mirakl to grow their businesses in new and remarkable ways.

For more information: www.mirakl.com .

Mirakl in Numbers:

• 🗓️ Founded in 2012 | Member of French Tech Next40

• 👥 750+ employees in 9 offices worldwide: Paris, Barcelona, Bordeaux, Boston, London, Munich, New York, Sydney, Tokyo

• 🇫🇷 350+ Mirakl Tech teams members mainly based in France

• ⚙️ 5 Saas Solutions

Our Values:

Working at Mirakl means accelerating your career alongside ambitious, passionate, and supportive colleagues. We're proud of the diversity of backgrounds, perspectives, and experiences that make our teams unique.

Our 5 values guide how we collaborate:

• 💡 Work Hard Together: Teamwork and collaboration are the foundation of our success

• 🏆 Get Things Done: We prioritize action and efficiency for impactful results

• 🚀 Go Above & Beyond: We tackle challenges proactively and always aim for excellence

• 🎓 Succeed Through Expertise: Knowledge sharing and continuous learning are core to our culture

• 🤝 Satisfy & Empower Clients: We're committed to our clients' success

1. The Team You'll Join

You’ll join one of the Mirakl Labs Ads teams for a six-month internship starting in January or February 2027 , based in Paris or Bordeaux . You’ll be part of a cross-functional Squad made up of a Senior Engineering Manager, a Product Manager, Software Engineers, and a QA Engineer.

2. Your Impact

• Contribute to the development and enhancement of an AI agent that autonomously generates and executes test scenarios, covering new feature validation, regression testing, and exploratory testing.

• Help design, write, and run test cases to evaluate the agent’s performance.

• Explore different technical approaches and contribute to benchmarking their results.

• Work under the guidance of experienced engineers and QA team members

• Contribute to the project using existing programming skills

3. What You'll Bring to the Role

Experience:

• Currently pursuing a degree in software engineering, computer science, or a related field (engineering school, university, or career change), and looking for a 6-month internship

• First hands-on development experience through an internship, academic project, apprenticeship, or personal project

• Good understanding of a programming language

• Proficient in working with LLMs and developing skills and/or agents

• Appreciation for software quality best practices: testing, clean code, design patterns

• Strong team player with a genuine enthusiasm for knowledge sharing and problem-solving

4. Tech Stack

• Back-end: Java 21, Spring Boot

• Front-end: ReactJS

• Data & Messaging: Kafka, ElasticSearch, PostgreSQL

• Tooling & Practices: CI/CD, Git, Docker, Monitoring

5. Languages

• French: Fluent

• English: Professional proficiency (written and spoken)

Compensation, Perks & Benefits

• Pay Range: €1,200 – €1,400 per month

Our Hiring Process

We warmly encourage you to apply to any of our roles, even if you think you're not an exact match.

Please click the "Apply" button to submit your application — this helps us make the best possible assessment and get back to you as quickly as possible.

• Manual screening of your CV by a recruiter , then an AI-powered screening conversation (10 min) with Emma , Mirakl's AI Talent Ambassador, to explore your background and motivation for the role. You will need to complete this step within 3 days, otherwise we won't be able to move forward with your application.

• Recruiter interview (30 min) — conversation about your background, motivations, and an introduction to Mirakl

• Hiring Manager interview (45 min) — technical discussion

• STAR interview (1h) — exchange with one or two team members exploring Mirakl's values and culture

We welcome collaborators with their diverse perspectives and experiences to power us forward. These often far exceed conventional job requirements and help us create a culture of continuous learning. If you’re ready to join a global leader powering digital transformation for 450+ of the world’s most innovative retailers and B2B organizations.

As part of our recruitment process, Mirakl processes your personal data to review and manage your application and, where appropriate, to consider your profile for future opportunities. You can exercise your data protection rights at any time, and as further detailed in our policies. For more information about how we process your personal data and your rights, please consult our Recruitment Privacy Notice, here in English and here in French.

We may use Artificial Intelligence (AI) solutions to help streamline our hiring process, including screening applications, analyzing resumes, and assessing responses. While AI helps us work efficiently, all final hiring decisions are made by humans. For more information, visit our AI Guidelines for Candidates and Interviews .

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