# Mobile Engineer

**Company**: SpruceID
**Location**: US
**Work arrangement**: remote
**Experience**: senior
**Job type**: full-time
**Category**: Engineering
**Industry**: Technology

**Apply**: https://jobs.lever.co/sprucesystems/76789526-5e6b-4724-9571-ef1eefb1be4d
**Canonical**: https://yubhub.co/jobs/job_5a810d5e-54f

## Description

As a Mobile Engineer at SpruceID, 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.

Responsibilities:

- 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)

## Skills

### Required
- Flutter
- iOS
- Android
- Mobile security
- Identity standards
- Best practices
- Backend services
- APIs
- Rust
- Cross-platform libraries