Sr. iOS Developer

About Us

Move money. Make money. Finix is a full-stack acquirer processor, empowering businesses of all sizes with flexible, modern payment solutions. Processing billions of dollars annually, Finix enables SaaS, marketplace, and e-commerce platforms to accept payments, manage payouts, and onboard merchants seamlessly. With our no-code, low-code, and developer-friendly tools, businesses can get up and running in hours—not months.

Finix has raised over $175M, including a $75M Series C led by Acrew Capital, with participation from Lightspeed Venture Partners, Leap Global, American Express Ventures, Bain Capital Ventures, Homebrew, Inspired Capital, Sequoia Capital, Visa, and others.

The mobile engineer owns the development of mobile apps and SDK responsible for enabling transactions on iOS-compatible devices. This specific role will implement and develop an SDK that integrates with Finix APIs and payment providers to collect payments using various terminals.  This role will be involved in developing SDK for accepting credit card, ACH, and Apple Pay payments.

You Will

• Work with product management to create specifications.
• Work with various vendors to understand specifications and implement their libraries.
• Work with native payment methods, Bluetooth functionality, Storage, location, and various features.
• Own the implementation, best practices, and infrastructure within your domain.
• Develop close relationships with product management and peer engineers. 
• Proactively improve our architecture, frameworks, tooling, automation, and best practices.

You Are

• Comfortable continuously delivering code, infrastructure, and tests throughout the product development lifecycle. 
• Able to lead proposals, design, and architect systems through research into use cases 
• Obsessed with finding edge cases, understanding requirements, and design implications.  
• Proactive in monitoring running systems and troubleshooting production issues. 
• Committed to communicating and working cross-functionally with other teams to ensure the delivery of quality code and features. 

You Have

• 3+ years of experience working on mobile applications development 
• Professional experience developing publicly available iOS apps using Swift by RESTful web services
• Participation from inception to launch using automated tooling of at least one publicly available application
• Proven experience using automated tools: Circle CI, XCode, Swift
• Exposure to Agile development methodology and in-depth knowledge of secure coding standards and practices
• Experience working on developing SDK/libraries

Finix is an equal opportunity employer and values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or any other protected class.

Role: iOS Developer III

Level: IC3

Location: San Francisco

Base Salary Range: $157,000/yr to $192,000/yr + equity + benefits

Our salary ranges are determined by role, level, and location. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries at our headquarters in San Francisco, California. Individual pay is determined by work location, job-related skills, experience, and relevant education or training.