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Blockchain Logo Blockchain · IT - Software Development

Software Engineering Intern, Orders

United Kingdom, London · Job Posted February 13, 2026
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Job Description

Join our Orders team as a Software Engineering Intern and gain real-world experience helping to power the buy, sell, and swap of cryptocurrencies on Blockchain.com. You’ll work alongside seasoned engineers to build the services and APIs that make trading fast, reliable, and secure for millions of users worldwide. This internship will give you hands-on exposure to Kotlin-based microservices, modern system design patterns like event sourcing, and scalable backend infrastructure, all while contributing to live production systems in the fast-paced world of crypto. Duration: 6-month internship with potential for permanent employment

Job Responsibility

  • Support the development of APIs that enable crypto trading across Blockchain’s products
  • Learn to build and maintain distributed backend systems using Kotlin and PostgreSQL
  • Help improve the scalability and performance of our order execution systems
  • Participate in code reviews, testing, debugging, and observability efforts
  • Collaborate with engineers and product managers to ship high-impact features
  • Gain exposure to reactive architectures, event-driven systems, and message queues (Kafka)

Requirements

  • Basic proficiency in a JVM-based language (Java or Kotlin preferred)
  • Understanding of REST APIs and common backend concepts
  • Some familiarity with relational databases such as PostgreSQL
  • Enthusiasm for building systems that scale and curiosity about the crypto industry
  • Collaborative mindset, with good communication skills and eagerness to learn

Nice to have

  • Exposure to Kafka, CQRS, or event sourcing concepts
  • Awareness of trading systems, order matching, or exchange architecture
  • Passion for crypto, fintech, or decentralized systems

What we offer

  • Competitive full-time salary for your level of experience
  • Daily free lunch at the office
  • Commuter support: we reimburse up to 50% of your travel costs
  • 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
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