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Wilcox Industries · 1 month ago

Senior Mobile Developer

Newington, NH

Full-time

Onsite

Senior Level

5+ years exp

Wilcox Industries develops innovative electro-mechanical combat systems for warfighters and law enforcement. They are seeking a Senior Mobile Developer with deep experience in Flutter to lead feature development and ensure high-quality mobile experiences across Android devices. The role involves collaboration with various engineering teams and requires strong architectural skills and a commitment to code quality.

ConsultingCRMGovernmentInformation TechnologyLegal

Comp. & Benefits

No H1B

U.S. Citizen Only

Responsibilities

Work closely with Business Development and Operators to scope features and refine requirements

Cross-Functional Collaboration with Systems Engineering, Firmware Engineering, Program Managers and our customers

Lead complex feature development from architecture through delivery

Design, develop, and maintain mobile applications using Flutter/Dart

Implement responsive UI, animations, state management, and platform integrations

Optimize app performance, reliability, and startup times

Establish and enforce best practices for mobile architecture (e.g., clean architecture, dependency injection, modularization, ensure code quality)

Perform and lead code reviews; mentor junior and mid-level developers

Build reusable components and ensure consistent design systems

Integrate REST/GraphQL APIs, WebSockets, local storage, and secure authentication

Work with native Android plugins or build custom platform channels when needed

Write unit, widget, and integration tests to ensure robust code coverage

Support continuous integration pipelines, automated testing, and release processes

Create and maintain technical documentation, including architecture diagrams, API usage, and code standards

Document workflows, deployment steps, and development guidelines

Contribute to team knowledge bases and engineering best-practices

Interface with QA to ensure accurate testing and acceptance criteria

Provide technical insights during planning, estimation, and retrospectives

Qualification

FlutterDartMobile architectureRESTful APIsCI/CDState managementAndroid ecosystemsGitCode reviewsTechnical documentationCollaborationProblem-solving

Required

Bachelor's degree in Computer Science or related field

Deep expertise in Flutter & Dart (3–5+ years preferred; or 5+ years mobile experience with at least 2 years in Flutter)

Strong knowledge of state management (Riverpod, BLoC, etc.)

Experience with Flutter animations, rendering performance, and adaptive UI

Solid understanding of Android ecosystems, including app store requirements

Experience with RESTful APIs, JSON serialization, and networking patterns

Strong grasp of mobile design patterns, MVC/MVVM/MVP/Clean Architecture

Hands-on experience with CI/CD for mobile apps (GitHub Actions, CodeMagic, etc.)

Familiarity with secure storage, encryption, and authentication/authorization flows

Proficiency with Git, branching strategies, pull requests, and code reviews

Ability to write clean, well-documented, maintainable code

Must be legally authorized to access U.S. government export-controlled technology under ITAR/EAR regulations

Regular on-site attendance is a necessary function of this position

Must be able to sit, stand, walk, talk, hear; use hands and fingers to handle and touch objects, tools, or controls to work in a production environment

Vision abilities required include close vision, distance vision, color vision, and the ability to adjust focus to work

Prolonged periods of sitting at a desk and working on a computer as well as prolonged periods of standing may be required

Must be able to lift 25 pounds at times

Ability to perform physical tests and handle tools/equipment used for prototyping