Senior iOS Engineer (Fintech): Building and evolving native iOS applications for digital banking, payments, financial management, and customer experiences at scale with an accent on Swift/Objective-C development, architecture, performance, and code quality. Focus on designing production mobile components, validating architectural decisions, integrating AI-assisted development tools, and improving application stability and maintainability.
Location: Buenos Aires, hybrid
Company
International engineering firm delivering software engineering and AI-native solutions across industries and markets.
What you will do
Design, develop, maintain, and integrate native iOS applications for digital banking and financial services.
Participate in the full software development lifecycle, including discovery, design, implementation, testing, deployment, and support.
Collaborate with product managers, designers, and engineers to deliver performant, user-focused mobile experiences.
Build prototypes, contribute to technical discovery, and participate in architectural discussions.
Perform unit testing, code reviews, debugging, documentation, and continuous quality improvements.
Use AI-assisted development tools to improve productivity, code quality, and delivery speed.
Requirements
5+ years of professional experience in native iOS development.
Strong experience with Swift and Objective-C.
Solid understanding of software architecture, design patterns, and mobile development best practices.
Experience building, maintaining, and optimizing production mobile applications.
Strong knowledge of unit testing, code quality practices, Git, and modern development workflows.
Experience with AI-powered development tools such as GitHub Copilot, Claude, Cursor, or similar solutions, including effective code-generation prompting.
Nice to have
Experience with mobile CI/CD pipelines.
Knowledge of mobile application security best practices.
Experience in agile environments and mentoring other developers.
Interest in emerging technologies and AI-driven software development.
Culture & Benefits
Work in a mature engineering organization supporting banking products used by millions of customers.
Respectful and inclusive environment with equal opportunities.
Continuous improvement and technical excellence are emphasized.
Collaboration with international engineering experts across industries and technologies.
Hiring process
Submit a CV describing core skills and career goals.
Complete a talent call and technical interview.
Some roles include a customer interview before the offer.