Software Engineering Intern, Institutional
Blockchain 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, Blockchain 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
WHAT YOU WILL DO
- 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.
WHAT YOU WILL NEED
- 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 NoSQL), 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.
COMPENSATION & PERKS
- Competitive full-time salary for your level of experience
- Based in our Paris office with four days per week in-person collaboration
- ClassPass 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.
You may contact our Data Protection Officer by email at dpo@blockchain.com. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment.
Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf. Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses.
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