Cryptographic Development Associate Student

Perun is an off-chain state-channel framework for real-time payments, complex business logic, scalability, security, and interoperability between blockchains. It serves blockchain developers, businesses, IoT deployments, gaming applications, and use cases involving micropayments or cross-chain swaps.

Maintainer signals as of 9/25/2026

Darmstadt, DE
About Perun

Perun develops off-chain state-channel technology that enables fast, secure, scalable, and private blockchain transactions. Its offerings include the Perun SDK for custom integrations, Perun-X for decentralized cross-chain atomic swaps, and Perun Node for supporting multiple users or devices through one instance. The framework supports applications such as micropayment networks, blockchain gaming, decentralized identity payments, IoT transactions, and AI agent-to-agent payments.

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Skills

About the Role

You will develop and improve cryptographic protocols and security solutions for blockchain applications. You will learn to implement and extend open-source frameworks such as go-perun using Go or Rust, collaborate closely with researchers and developers, and optimize scalability, performance, and usability. You will continuously study advances in cryptography and Self Sovereign Identity and contribute to projects with industry partners.

Requirements

  • Completed coursework in computer science
  • Experience with Go or Rust
  • Knowledge of cryptography and blockchain technology
  • Interest in coding cryptographic protocols and blockchain applications
  • Strong problem-solving skills
  • Self-motivated and eager to learn
  • Interpersonal and communication skills

Responsibilities

  • Develop cryptographic protocols and security solutions
  • Learn and implement open-source frameworks such as go-perun
  • Contribute to threshold cryptography development
  • Collaborate with researchers and other developers
  • Improve scalability, performance, and usability of cryptographic systems
  • Continuously learn about cryptography and Self Sovereign Identity
  • Work on projects with industry partners and blockchain ecosystems

Benefits

  • 10–20 hours per week
  • Flexible working hours
  • Office in Campus Stadtmitte
  • Home office possibility
  • Gym membership reimbursement
  • Drinks in the office