Senior Mobile Engineer (Full Stack) at Arionkoder – Argentina | Jobyssey

Arionkoder is an AI consulting firm helping companies build, embed, and own AI systems that drive real business outcomes. We combine Product Development, Artificial Intelligence, and Team Augmentation to craft digital products and solutions that create lasting impact — guided by a human-centric approach and a commitment to pushing the boundaries of what technology can do.

About the Role
We’re looking for a Senior Mobile Engineer with full stack capabilities to help build a consumer-facing mobile product from the ground up.
You’ll take an early-stage prototype and evolve it into a functional, scalable application. You’ll work closely with senior stakeholders to translate high-level ideas into concrete technical solutions, shaping both the product and the underlying architecture.
The product focuses on mobile security and user protection, including areas such as phishing detection, message validation, and identity verification.

What We’re Looking For

Strong experience building mobile applications (iOS or Android) in production environments
Experience with backend services and APIs
Familiarity with AI-assisted development tools (Claude, ChatGPT, Gemini, etc.)
Solid understanding of mobile platform internals (permissions, messaging systems, sandboxing, etc.)
Experience designing scalable architectures and making system-level decisions
Comfortable working with cloud infrastructure and distributed systems
Ability to operate with high autonomy and navigate ambiguous requirements
Strong communication skills and experience working with senior stakeholders

Nice to Have

Experience working on early-stage initiatives
Experience with consumer-facing products
Exposure to security-related domains (authentication, fraud detection, phishing, etc.)
Experience working in fast-paced innovation or experimentation teams

Perks

💵 Monthly USD Service Fee
🌴 20 business days of paid Agreed Time Off—Annual + 6 Local Holidays
🐣Caregiver Time Off
💻A dynamic remote work culture. You can work from anywhere!
🚀An entrepreneurial environment.

About us
In 2010, our founders dreamed up a company that could positively impact the world. Since then, we've been in permanent evolution: from business consulting to innovation and design, and now to building amazing digital products powered by AI. We scaled globally, launched AI Labs and Reshape Studios, and claimed our space as an AI consulting firm — helping organizations move from pilots to production through accountable AI. Today, we're expanding our impact across industries, driving real AI adoption through accountability, governance, and value at scale. Dreamers first, builders always.

Senior Mobile Engineer (Full Stack)

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