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Software Engineering Intern PaymentsFramework Ventures • New York, New York, United States
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Software Engineering Intern Payments

Framework Ventures
  • US
    New York, New York, United States
  • US
    New York, New York, United States
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About

Blockchain.com is the world’s leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. 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.
WHAT YOU WILL DO 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.
WHAT YOU WILL NEED
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.
NICE TO HAVE
Exposure to Kafka, Redis, or monitoring tools (e.g., Grafana, Datadog).
Interest in cryptocurrency, open finance, or financial APIs.
Experience with writing or consuming APIs in personal projects or coursework.
WHY JOIN US Work on real‑world payments infrastructure used by millions globally. Collaborate with a high‑performing team solving complex engineering challenges. Gain mentorship and exposure to modern backend tools and practices. Learn how crypto, banking, and software converge to power next‑generation finance. Potential for a full‑time offer based on performance and team needs.
COMPENSATION & PERKS Apple equipment. The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field. Flexible work culture.
EEO STATEMENT 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.
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  • New York, New York, United States

Languages

  • English
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