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

Job Description

Affinidi is seeking a Senior Staff Software Engineer to join their team in Dublin. The candidate will be responsible for designing, developing, and maintaining a scalable multi-component platform, collaborating with global peers to build innovative, high-performance systems that leverage decentralized technology and asymmetric cryptography. The role involves shaping technical decisions, mentoring, and fostering collaboration in a fast-paced startup environment.

• 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.

Requirements:

• 12+ years of experience in software development.
• Experience diagnosing and preventing performance and optimization issues.
• Experience implementing Platform as a Service (PaaS) solutions.
• Strong expertise in asymmetric cryptography in production environments.
• Passion for decentralized technology and unlocking data ownership.
• Excellent technical documentation skills (C4 Model, Architectural Decision Records).
• Proficiency in JavaScript, TypeScript, Node.js, and React, with familiarity in other languages like C#, C++, GoLang, or Rust.
• Cloud computing and native environments expertise (AWS serverless preferred).
• Understanding of design patterns and a proven track record of leading cloud-based microservices design and deployment.
• 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.

Affinidi offers:

• Hybrid working model
• Flexible working hours
• Unlimited vacation policy
• Competitive compensation package
• Work within international environment
• Learning Budget
• Mobile Allowance
• Home Office Allowance