Senior Staff Software Engineer, Decentralised Systems (m/f/d)

Affinidi; London; On-site; GBP 60,000 - 120,000; Full time

Job description

Senior Staff Software Engineer, Decentralised Systems (m/f/d)

London, England, United Kingdom

About the Company

Affinidi is a technology company dedicated to changing data ownership for good. We empower businesses and individuals with control and ownership of their data, with a comprehensive approach to managing their holistic identity – accounting for all aspects of their digital footprint while ensuring privacy and security.

Affinidi’s technology enables users to benefit from decentralised digital identity solutions. We believe that everyone has the right to own and control their data, and we are committed to creating a trusted digital credentials ecosystem that empowers businesses and individuals to securely exchange data and services across borders and industries.

About the role:

As a Senior Staff Software Engineer specializing in decentralized technologies, you will play a critical role in designing, developing, and maintaining a scalable multi-component platform. You will collaborate closely with global peers across product, infrastructure, architecture, and both frontend and backend teams to build innovative, high-performance systems that leverage decentralized technology and asymmetric cryptography. Your expertise in cloud computing, microservices, and performance optimization will be essential in shaping technical decisions. Additionally, your passion for mentoring and fostering collaboration will help guide the team in a fast-paced, startup environment.

What’s in it for you:

• Partner with engineering and product teams to create customer-focused systems and Self-Sovereign Identity(SSI) systems/solutions.
• Work on decentralized technologies, asymmetric cryptography, and unlocking data ownership.
• Raise engineering standards through mentoring, code reviews, and workshops.
• Lead the team in building secure, well-tested, and high-performance services.
• Track system reliability and performance metrics, recommending improvements to tests and tools.
• Identify and advocate for improvements in product quality, security, and performance.
• Contribute to the product and technology roadmap with peers, product managers, and stakeholders.
• Design solutions for complex technical challenges with broad scope.
• Lead complex technical solutions, prepare POCs, and contribute to the codebase.
• Collaborate with cross-functional teams on large projects.
• Work with engineering stakeholders to enhance internal standards for code quality and best practices.

You will be a great match if you:

• Have 12+ years of experience in software development
• Can diagnose and prevent performance and optimization issues effectively
• Have experience implementing Platform as a Service (PaaS) solutions
• Bring strong expertise in asymmetric cryptography in production environments
• Are passionate about decentralized technology and unlocking data ownership through innovative methods
• Have excellent technical documentation skills (C4 Model, Architectural Decision Records)
• Have cloud computing and native environments expertise (AWS serverless preferred)
• Understand design patterns and have a proven track record of leading cloud-based microservices design and deployment
• Are hands-on with REST APIs and apply Test Driven Development (TDD) effectively
• Care about privacy by design, security, high-performance systems, and enjoy mentoring others
• Communicate clearly and value inclusion, visibility, and collaboration
• Thrive in a fast-paced startup environment, working autonomously across the stack

What can you expect from us:

• Unlimited vacation policy
• Competitive compensation package
• Work within international environment
• Learning Budget

Sounds like you? Apply now!

We believe in hiring different and diverse talent and providing a safe space where everyone can share their views without fear, where differences are celebrated, and where no one is left out. Inclusive cultures are the foundation for collaboration and innovation within our team.