SpruceID builds privacy-preserving, standards-based digital identity and credentialing solutions that give individuals control of their information while enabling governments and enterprises to deliver secure, interoperable services. We partner with public-sector organizations to modernize how identity is issued, verified, and used.
As a **Mobile Engineer** , you will sit at the intersection of **engineering, customer delivery, and digital identity**. You will work directly with state governments and other public-sector partners to design, build, and deploy **mobile-first identity solutions** , often serving as the primary technical representative of SpruceID in the field.
This role combines **hands-on Flutter development** with consulting, systems design, and customer success. You will ensure SpruceID’s mobile technology is deployed securely, effectively, and with lasting real-world impact.
This job is **fully remote within the US**.
**What You’ll Do**
- Lead the design and development of **mobile applications** for state governments and enterprise customers using **Flutter**
- Work side-by-side with customer delivery leads, backend engineers, and UX designer to ensure successful deployments
- Translate customer and policy requirements into **secure mobile architectures and production-ready implementations**
- Act as a trusted technical advisor to public-sector partners, guiding them through **mobile security, identity standards, and best practices**
- Build and ship **privacy-preserving mobile applications** that meet public-sector requirements for security, accessibility, and compliance
- Integrate mobile applications with backend identity services, cryptographic libraries, and platform APIs
- Contribute to shared Rust or cross-platform libraries that run across backend services, mobile devices, and the browser
- Support customer deployments, debugging, and operational needs in real-world environments
- Represent SpruceID directly with partners during pilots, launches, and ongoing engagements
**Qualifications**
- 5+ years of experience shipping **production mobile applications**
- Strong experience building **Flutter applications** for iOS and Android
- Proven ability to lead mobile architecture and deliver secure, production systems
- Experience integrating mobile apps with backend services and APIs
- Familiarity with mobile security concepts (secure storage, key management, authentication flows)
- Excellent communication skills and experience working directly with customers, ideally in a consulting or delivery-focused role
- Based in the US and excited to engage directly with state government partners
**Bonus Qualifications**
- Experience with **digital identity** , verifiable credentials, DIDs, or authentication systems
- Background in **cryptography, data privacy, or secure mobile systems**
- Prior experience working on **public-sector or government software projects**
- Familiarity with Rust or interoperating with Rust-based mobile libraries
- Experience meeting accessibility standards (WCAG, mobile a11y)