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)

$120,000 - $200,000 a year

The actual base salary offered will depend on a variety of factors, including the candidate’s experience, qualifications, skill set, and work location. Compensation may also include additional components such as performance-based bonuses and/or equity, along with a benefits package.