Full Stack Engineer SOL

Job Description This is a remote position. ob Description We are seeking a highly autonomous Senior Full Stack Developer to join a technology company operating in the Digital Identity and Credential Verification space. The organization develops secure solutions leveraging verifiable credentials, identity standards, PKI infrastructure, and cloud-native architectures. This role is approximately 80% backend/infrastructure and 20% frontend , with a strong focus on backend engineering, infrastructure, security, and technical leadership. The ideal candidate will design and maintain scalable microservices, build backend services using Java, Kotlin, and Node.js , contribute to React applications, and participate in architectural decisions involving application design, infrastructure, networking, and security. The role will also collaborate closely with DevOps, Product, and Engineering teams , lead technical discussions, design REST APIs using OpenAPI/Swagger, work with Docker and Kubernetes, and contribute to secure authentication, authorization, and identity-management solutions. Requirements Requirements 5+ years of software development experience. Strong experience with Java . Experience with at least one: Quarkus, Micronaut, Vert.x, or Spring Boot . Experience with Kotlin, Node.js, and React . Strong experience with microservices architectures . Strong SQL and relational database experience. Experience with REST APIs and OpenAPI/Swagger . Understanding of DNS, TCP/IP, Load Balancers, SSL/TLS, and VPC concepts . Experience with Docker, Kubernetes, and Linux . Cloud experience — Azure preferred; AWS or GCP accepted . Strong English communication skills and ability to lead technical discussions. Experience making architectural and design decisions independently . Highly preferred: experience with FinTech, Banking, Digital Identity, Cybersecurity, IAM, PKI, X.509 certificates, OAuth, authentication/authorization, or credential verification . Experience with GitHub Copilot or AI-assisted development tools is a plus.