Software Engineering Intern, Blockchain.com

• Some experience with backend programming – Kotlin, Java, or another statically typed language
• Basic understanding of HTTP APIs and how backend systems communicate
• Familiarity with relational databases like PostgreSQL
• A genuine interest in payments technology, fintech, or crypto infrastructure
• Enthusiastic, curious, and eager to learn in a production environment
• Good written and verbal communication skills for cross-functional collaboration
• This internship is ideal for aspiring backend engineers with a passion for fintech or crypto, who are eager to learn how global payment systems are designed, integrated, and scaled

Desirable

• We’re seeking a highly motivated Software Engineering Intern to join the Payments team at Blockchain.com. This team enables users across the world to deposit and withdraw funds from the Blockchain.com platform — building the infrastructure that bridges traditional finance and crypto
• As an intern, you’ll gain hands-on experience working with backend systems in Kotlin, while learning how to integrate with banks, payment providers, and financial infrastructure. This is a great opportunity for someone curious about building secure and scalable systems in the fast-evolving world of crypto and fintech
• Duration: 6-month internship with potential for permanent employment
• Contribute to the development of APIs that power deposits, withdrawals, and payment flows in the Blockchain.com app
• Assist in integrating with external payment providers and banks, supporting users in multiple regions
• Write clean, maintainable, and testable code under the guidance of experienced engineers
• Help resolve technical issues related to payments in collaboration with the FinOps and engineering teams
• Learn and apply best practices in monitoring, performance tuning, and security for payment systems
• Participate in code reviews, discussions, and team stand-ups, contributing ideas and learning collaboratively