Spruce Systems, Inc. - Senior Mobile Engineer - Remote
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Requirements
• 5+ years of experience shipping production mobile applications • Strong experience in at least one mobile framework (e.g., Flutter, React Native) and familiarity with native platforms (iOS and/or Android) • Experience working across more than one mobile environment, or a demonstrated ability to quickly ramp across new frameworks and languages • Proven ability to lead mobile architecture and deliver secure, production-grade systems • Experience integrating mobile applications with backend services and APIs • Solid understanding of mobile security concepts (secure storage, key management, authentication flows) • Strong engineering fundamentals with the ability and willingness to contribute beyond mobile when needed • Excellent communication skills and experience working directly with customers, ideally in a consulting or delivery-focused role • A proactive, “can do / will do” mindset and comfort operating outside your primary area of expertise • Based in the US and excited to engage directly with state government partners • Experience with modern mobile languages and frameworks such as Kotlin, Swift, Objective-C, Dart, or TypeScript, and their associated ecosystems • Hands-on experience with cross-platform frameworks such as Flutter or React Native in production environments • Experience with digital identity, verifiable credentials, DIDs, or authentication systems • Background in cryptography, data privacy, or building secure mobile systems • Familiarity with platform-specific capabilities such as Keychain (iOS), Keystore (Android), biometrics, and secure enclaves • Prior experience working on public-sector or government software projects • Familiarity with Rust or interoperating with Rust-based mobile libraries (e.g., via FFI or shared modules) • Experience meeting accessibility standards (e.g., WCAG, mobile accessibility best practices) • Exposure to mobile CI/CD pipelines, app store deployment processes, and release management
Responsibilities
• Lead the design and development of mobile applications for state governments and enterprise customers across native and cross-platform environments (e.g., Flutter, React Native, iOS, Android) • Work side-by-side with customer delivery leads, backend engineers, and UX designers to ensure successful, end-to-end deployments • Translate customer and policy requirements into secure system designs and production-ready implementations across mobile and backend components • Act as a trusted technical advisor to public-sector partners, guiding them through mobile security, identity standards, and platform best practices • Build and ship privacy-preserving 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 and cross-platform libraries that run across backend services, mobile devices, and the browser • Support customer deployments, debugging, and operational needs in real-world environments—whatever it takes to ensure success • Step outside your primary stack when needed, contributing across mobile, backend, and infrastructure as projects evolve • Represent SpruceID directly with partners during pilots, launches, and ongoing engagements
Benefits
• 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. $140K – $180K • Offers Equity • Upload your resume here to autofill key application fields. • Drop your resume here! • Parsing your resume. Autofilling key fields... • or drag and drop here
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