Backend Engineer, Senior (Rust)

About the role:   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.   What’s in it for you:   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