Software Engineering Intern Institutional

Overview

is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011,  has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. We’re looking for a Software Engineering Intern to join our Institutional team in Paris.

In this role, you’ll work closely with experienced engineers to help build and maintain systems that support trading and portfolio management for our institutional clients. This is an excellent opportunity for a motivated developer eager to learn from industry experts and grow in a fast-paced, high-performance environment. Duration: 6-month internship.

• Develop and maintain backend services and APIs using Python that power trading, transfers and settlement.
• Collaborate with senior engineers, product managers, and designers to build high-quality, reliable software.
• Write clean, maintainable, and well-tested code that follows best practices.
• Help improve system performance, reliability, and development workflows.
• Learn about cloud-based architectures, microservices, and distributed systems in a production environment.
• Contribute to the implementation of security best practices to protect sensitive financial data.
• Participate in code reviews and team discussions to continuously improve code quality and processes.

• Hands-on experience with Python in backend or web application development (personal, academic, or professional projects all count).
• Basic understanding of REST APIs, databases (SQL or No
  
  SQL), and data structures.
• Familiarity with cloud platforms (AWS, GCP, or similar) and containerization tools (Docker, Kubernetes) is a plus.
• Interest in learning about messaging systems (NATS, Redis, etc.) and distributed architectures.
• Curiosity about the fintech or crypto industry—previous exposure is a plus, but not required.
• Strong communication and teamwork skills, with a proactive and positive attitude.

• Competitive full-time salary for your level of experience.
• Base in our Paris office with four days per week in-person collaboration.
• Class Pass to keep you moving and well.
• Apple equipment to do your best work.
• The chance to make a real impact and grow your career at a fast-scaling global crypto company.
• Flexible, modern, and people-first work culture.

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship.

Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.