Software Engineering Intern, Activation

We’re looking for a highly motivated Software Engineering Intern to join our Activation team at Blockchain.com. This is a unique opportunity to gain hands-on experience with critical systems that ensure our users are onboarded securely, efficiently, and in compliance with global regulations. You’ll contribute to backend systems primarily in Kotlin, and gain exposure to the technologies and processes behind identity verification, fraud detection, and compliance automation.

Duration: 6-month internship 

WHAT YOU WILL DO

• Support the design and development of onboarding and identity verification systems in Kotlin.
• Assist in integrating with third-party providers such as Sumsub and Veriff to improve verification flows.
• Write clean, maintainable code under the guidance of experienced engineers.
• Contribute to unit and integration testing, and support observability for KYC systems.
• Collaborate with engineering, compliance, and product teams to implement features and solve problems.
• Gain exposure to event-driven systems and understand how we scale secure onboarding for millions of users.

WHAT YOU WILL NEED

• Working knowledge of Kotlin or Java, with a curiosity to learn more.
• Basic understanding of APIs, PostgreSQL, and RESTful design.
• Strong problem-solving mindset and eagerness to learn in a fast-paced environment.
• Good communication and collaboration skills – you’ll be working with cross-functional teams.

BONUS SKILLS

• Interest in fintech, crypto, or regulatory tech.
• Familiarity with Kafka, gRPC, or microservice architectures.
• Awareness of fraud prevention, KYC flows, or identity verification tools.

WHY JOIN US

• Build real-world systems that impact the safety and growth of a global platform.
• Learn how cutting-edge compliance technology works in high-scale, regulated environments.
• Work alongside passionate engineers and gain mentorship from domain experts.
• Opportunity to transition into a permanent role based on performance.

 

This internship is perfect for someone passionate about backend systems and curious about the intersection of technology, compliance, and user experience within financial platforms.

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