Spruce Systems, Inc.
Reimagining Trusted Interactions
Mobile Engineer, Digital Identity
Location
United States
Posted
89 days ago
Salary
$120K - $200K / year
Bachelor Degree5 yrs expEnglishAndroidFlutterI OSRust
Job Description
• 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
Job Requirements
- 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
- 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)
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