Remote | Staff Software Engineer, Mobile (Android, Kotlin, Full Stack) — $50–$90/hour

24-MAG LLC connects experienced professionals with remote consulting opportunities across technical, evaluation, and project-based workstreams. The company is seeking a Staff Software Engineer to build and ship primarily Android mobile features using Kotlin while contributing across backend services, APIs, web systems, and full-stack delivery. The role includes technical design, code review, production support, cross-functional collaboration, and AI-assisted engineering.

Responsibilities:

• Build and ship production features for native mobile applications
• Develop primarily for Android using Kotlin
• Apply modern Android development practices across feature implementation
• Contribute to reliable, maintainable, and user-focused mobile experiences
• Support mobile features throughout development, testing, and production
• Contribute beyond mobile across backend services and APIs
• Support web application development where project needs require it
• Work effectively across unfamiliar parts of the technical stack
• Connect mobile functionality with supporting platform services
• Maintain consistent engineering quality across application layers
• Participate in technical design and implementation planning
• Conduct code reviews and provide constructive engineering feedback
• Apply strong software-design, testing, and debugging practices
• Identify technical issues and support effective resolution
• Maintain scalable and maintainable code across assigned features
• Use AI-powered development tools as part of normal engineering workflows
• Apply tools such as Copilot, Cursor, Claude, or comparable systems
• Use AI assistance to navigate unfamiliar code and accelerate development
• Evaluate generated code carefully before integration into production systems
• Contribute to AI-enabled product capabilities where relevant
• Work closely with Product, UX, and partner engineering teams
• Own features from initial design through production delivery
• Participate in production support and ongoing feature improvement
• Help other engineers grow through technical guidance and knowledge sharing
• Communicate engineering decisions clearly across collaborative teams

Requirements:

• 4+ years of professional software engineering experience
• Strong hands-on native mobile development experience
• Familiarity with Jetpack and modern Android development practices
• Production experience beyond mobile, including backend services, APIs, or web applications
• Strong fundamentals in software design, testing, and debugging
• Comfortable using AI coding tools in day-to-day development
• Ability to learn unfamiliar technologies and codebases efficiently
• Strong written and verbal communication skills
• Collaborative and curious engineering mindset
• Android development experience using Kotlin is strongly preferred
• iOS and Swift experience is also valuable
• Flutter or React Native experience is relevant when combined with native mobile development
• Experience with LLM-powered functionality such as RAG, embeddings, or agents is advantageous
• Familiarity with accessibility standards is beneficial
• Experience building applications involving accounts, payments, or orders is valuable