About the CompanyAffinidi 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:We are in search of a solution-oriented Staff Software Engineer (Backend) with deep, demonstrable expertise and experience in Rust, to lead 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. You will be responsible for the continued enhancement and development of a multi-component platform, where your expert skills in designing, architecting, and building quality systems will intersect with your hands-on coding, performance testing, and integrating experience.Our work culture at Affinidi is shaped by the following tenets:We are unapologetically customer-focusedWe invest in cultures and teams to enable high performanceEmbraces experimentation and builds fastWe have the courage to be misunderstoodWe work together to unlock dataFurther, 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 roleCreate standards-compliant world-class software systems and components, most of which will be open sourced as our commitment to the OSS and decentralised communityInfluence architectural direction and long-term technical strategy while staying hands-on with developmentDesign and implement solutions to complex, large-scale technical challengesIdentify and drive the most critical improvements in product quality, security, and performanceRaise the bar for engineering excellence through mentorship, code reviews, and workshopsGuide the team to build well-tested, secure, and performant servicesEstablish and refine best practices for high-scale distributed systemsCollaborate closely with product, security, and engineering peers in a fast-paced, iterative environmentYou will be a great match if you:Proven experience with performance optimization and a track record of diagnosing and preventing system bottlenecksStrong backend development skills with Rust as a core expertiseDeep knowledge of ; Dart experience strongly preferred. Familiarity with C# or Go is a plusExpertise in cloud computing (AWS) and cloud-native environmentsProven track record in designing and deploying distributed systems using modern design patternsSkilled in technical documentation (C4 Model, ADRs) and clear communication of architectural decisionsStrong advocate for privacy by design, security-first principles, and high-performance systemsExpertise in applying asynchronous cryptography in production-grade productsExperience with authorization/authentication domains; knowledge of identity, verifiable credentials, or secure data exchange is a strong plusComfortable thriving in autonomous, fast-moving startup environments and collaborating across global teamsBonus points:Experience working across functions, locations, and time zonesExpertise in decentralized identity solutionsExperience building systems with advanced cryptography requirementsWhat can you expect from us:Hybrid working modelFlexible working hoursUnlimited vacation policyCompetitive compensation packageWork within international environmentLearning BudgetMobile AllowanceHome Office AllowanceSounds like you? Apply nowLI-DS1Equal OpportunityWe 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.Privacy NoticeBy applying for this position, you confirm that you have read and understood Affinidi's Candidate Privacy Policy, and consent to the collection, use, and disclosure of your personal data for recruitment purposes, as described in the policy.