Senior Backend Developer

2 weeks ago


London, Greater London, United Kingdom interim Group Full time

Shape the Future with Us

We are seeking a Senior Backend Developer to join our team at SPRIND, an organization that embodies the spirit of innovation and disruption. As part of our EUDI Wallet Infrastructure project, you will play a crucial role in shaping the future of digital innovation.

The position is initially limited until December 2025, but we are actively seeking an extension. This is a unique opportunity to work on a high-stakes, regulated, and politically sensitive project while leveraging your expertise in developing reliable, scalable, and secure REST APIs.

About the Role
  • Design and develop the backend for the government-provided EUdi wallet and its ecosystem.
  • Evaluate existing software components, implement new secure, scalable, and reliable components.
  • Write concise product, process, and technical documentation, supporting certification.
  • Collaborate with developers and architects in a multidisciplinary team supported by experts from several government ministries and research organizations.

Key Requirements

  • 10+ years of development experience, 3+ years of Kotlin, with a focus on developing reliable, scalable, and secure REST APIs.
  • Deep understanding and application of modern symmetric and asymmetric cryptography standards and operations.
  • Strong knowledge of relational database schema design and SQL query optimization for performance and scalability.
  • Experience working on open-source projects and interacting with the community.
  • Ability to deliver value in a high-stakes, regulated, and politically sensitive environment.
  • Proactive and responsible team player who drives topics forward, shares knowledge, and communicates effectively with both technical and non-technical colleagues.
  • Comfortable transitioning between documentation, design, hands-on coding, and code review.
  • Excellent spoken and written English communication.
  • Experience working in an agile-driven development with waterfall components.

Benefits

  • A creative team that wants to shape tomorrow's digital landscape.
  • A high level of personal responsibility and many opportunities to contribute and implement your own ideas.
  • An attractive flexitime arrangement and mobile working arrangement where you can choose your own schedule.
  • A wide range of opportunities for professional and personal development.
  • A competitive remuneration package in line with industry standards and guidelines.

The estimated salary for this position is around €80,000 - €110,000 per annum, depending on qualifications and experience. Please note that this is an estimate based on market standards and may vary.



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