Backend Engineer, Senior (Rust)

We are in search of a solution-oriented Senior Software Engineer (Backend) with demonstrable experience in Rust, to help guide the development of secure, scalable, and high-performance backend systems for the Affinidi Elements platform. In this role, you will work with global peers on teams dedicated to areas of the product portfolio, from the product, design, infrastructure, architecture, and back/front-end engineering teams. Your responsibilities will include delivering a multi-component platform, leveraging your experience in helping to design and developing production-quality systems. This role offers the opportunity for professional growth within a high-performing team culture. 

Our work culture at Affinidi is shaped by the following tenets:    

• We are unapologetically customer-focused 
• We invest in cultures and teams to enable high performance 
• Embraces experimentation and builds fast 
• We have the courage to be misunderstood 
• We work together to unlock data   

Further, Affinidi’s focus on the open source community, and collaboration with standards bodies to develop the next version of the internet – the Internet of Trust – guides every engineering and product decision we make. 

• Build and deliver secure, high-quality features and improvements for the Affinidi Elements Platform using Rust. Experience in TypeScript and Dart will set you above other applicants for this role  
• Create standards-compliant world-class software systems and components, most of which will be open sourced as our commitment to the OSS and decentralised community 
• Contribute to architectural direction while staying hands-on with development 
• Help design and implement solutions to complex, large-scale technical challenges 
• Identify and drive the most critical improvements in product quality, security, and performance 
• Elevate engineering standards through your expertise, mentorship and commitment to best practices. 
• Guide the team to build well-tested, secure, and performant services 
• Collaborate closely with product, security, and engineering peers in a fast-paced, iterative environment 

   You will be a great match if you:   

• Proven experience with performance optimization and a track record of diagnosing and preventing system bottlenecks 
• Strong backend development skills with Rust as a core expertise 
• Deep knowledge of TypeScript/Node.js; Dart experience strongly preferred 
• Expertise in cloud computing (AWS) and cloud-native environments 
• Proven track record in developing distributed systems using modern design patterns 
• Skilled in technical documentation (C4 Model, ADRs) and clear communication of architectural decisions 
• Strong advocate for privacy by design, security-first principles, and high-performance systems 
• Experience with applying asynchronous cryptography in production-grade products 
• Experience with authorization/authentication domains; knowledge of identity, verifiable credentials, or secure data exchange is a strong plus 
• Comfortable thriving in autonomous, fast-moving startup environments and collaborating across global teams 

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