Senior iOS Engineer

Avenga; Buenos Aires; On-site; ARS 1,500,000 - 2,700,000; Full time

Job summary

Avenga is seeking a Senior iOS Engineer to join a leading digital banking project. You will design, build, test, and maintain high-quality native iOS applications for millions of users, contributing to payments, financial management, and digital customer experiences.

You will work in a mature engineering organization that embraces AI-assisted software development, using tools like GitHub Copilot, Claude, and similar solutions to accelerate delivery while maintaining code quality.

Qualifications

• 5+ years of professional experience in native iOS development.
• Proficient with Swift and/or Objective-C and modern iOS tooling.
• Strong understanding of software architecture, patterns, and best practices.

Responsibilities

• Design, develop, maintain, and optimize native iOS applications.
• Contribute across the full software development lifecycle from concept to deployment.
• Collaborate with PMs, designers, and engineers to deliver high-quality mobile solutions.
• Ensure code quality with unit tests and reviews; improve performance and stability.
• Participate in architectural discussions and promote engineering best practices.
• Leverage AI tools to speed up development and improve quality.

Skills

iOS development

Swift/Objective-C

Mobile architecture

Unit testing

Git workflows

AI tools usage

Prompting techniques

Tools

GitHub Copilot

Claude

Cursor

Job description

Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets.

At the core of the role

We are looking for a Senior iOS Engineer to join a leading digital banking and financial services project serving millions of customers. You'll be contributing to the development and evolution of critical mobile products that support daily banking operations, payments, financial management, and digital customer experiences.

This is an opportunity to work on high-impact applications at scale, within a mature engineering organization that values innovation, technical excellence, and continuous improvement. The team is actively embracing AI-assisted software development, leveraging tools such as GitHub Copilot, Claude, and similar technologies to accelerate delivery and enhance code quality.

Core skills you’ll bring

• 5+ years of professional experience in native iOS development.
• Strong experience with Swift/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 and code quality practices.
• Experience working with Git and modern development workflows.
• Experience using AI-powered development tools such as GitHub Copilot, Claude, Cursor, or similar solutions.
• Ability to generate code through effective prompting techniques.
• Ability to validate architectural decisions and ensure consistency with established design patterns.

Nice-to-have

• Experience with CI/CD pipelines for mobile applications.
• Knowledge of mobile application security best practices.
• Experience working in agile environments.
• Experience mentoring other developers and promoting engineering best practices.
• Interest in emerging technologies and AI-driven software development.

The impact you’ll create

• Design, develop, maintain, and integrate native iOS applications and software components according to functional and technical requirements.
• Participate in the full software development lifecycle, from concept and design to implementation, testing, deployment, and support.
• Collaborate with product managers, designers, and engineers to define and deliver high-quality solutions.
• Develop attractive, performant, and user‑centric mobile experiences.
• Build prototypes and contribute during technical discovery and solution design phases.
• Perform unit testing, code reviews, debugging, and continuous quality improvements.
• Optimize application performance, stability, and maintainability.
• Create and maintain technical documentation following engineering standards.
• Research new technologies and propose improvements to products, processes, and development practices.
• Maintain and enhance production applications, resolving issues and delivering new features.
• Contribute to architectural discussions and engineering standards.
• Leverage AI tools throughout the development process to improve productivity, quality, and delivery speed.

People are at the core of Avenga. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.