Mobile Engineer

Sprucesystems; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Remote work within the US

Job summary

SpruceID is seeking a Senior Mobile Engineer to design, build, and deploy mobile-first identity solutions for state governments and enterprise customers. You will work directly with public-sector partners and delivery teams to ensure secure, production-ready implementations across iOS and Android.

The role emphasizes Flutter development, security-conscious architectures, and customer-facing delivery. It is fully remote within the United States, with opportunities to influence identity standards

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.

Responsibilities

• Lead the design and development of mobile applications for state governments and enterprise customers using Flutter.
• Work with 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 on mobile security and identity standards.

Skills

Flutter

Mobile apps

Mobile architecture

Security concepts

Customer-facing

US-based

Tools

Rust

Job description

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)