Senior Software Engineer, Mobile – Repayment UX

Affirm

Senior Software Engineer developing mobile applications specializing in React Native at Affirm. Leading engineering efforts and enhancing the financial lives of millions.

Posted 7/14/2026full-timeRemote • 🇪🇸 SpainSenior💰 €86,000 - €122,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and architecting mobile applications using React Native, with a strong focus on delivering high-quality code and fostering team ownership. Proficient in collaborating across teams to identify and resolve project and process issues while maintaining operational excellence.

Highest-signal resume keywords

Mobile Application DevelopmentReact NativeJavascriptTypescriptTechnical Planning

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mobile Application DevelopmentReact NativeJavascriptTypescriptCode QualityTechnical PlanningFeature DeliveryCode Base ManagementTool DevelopmentProcess Improvement

Soft Skills

Team LeadershipCollaborationProactive Problem SolvingFeedback SeekingQuality Ownership

Industry Keywords

Product Development LifecycleTeam SafetyQuality CultureStakeholder SupportAmbiguity Management

Tech Stack

Tools & technologies

JavaScriptReactReact NativeTypeScript

About the role

Key responsibilities & impact

Owning and delivering quarterly goals for your team
Leading engineers on your team through ambiguity
Supporting peers and stakeholders in product development lifecycle
Collaborating with product management, design & analytics
Proactively identifying project, process, technology or business issues
Supporting operations and availability of your team’s artifacts
Fostering a culture of quality and ownership on your team

Requirements

What you’ll need

4+ years of experience of developing and architecting mobile applications, preferably using declarative UI frameworks like React Native.
Proficient in working with Javascript/Typescript, or have a track record of working with similar languages and learning new technologies.
Experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design.
High quality code that is easily understood and used by others.
Proficient at making significant changes in a large code base.
Developed a suite of tools and practices that enable team safety.
Ownership of growth, proactively seeking feedback.

Benefits

Comp & perks

100% subsidized medical coverage, dental and vision for you and your dependents
Flexible Spending Wallets for tech, food and lifestyle
Away Days - wellness days to take off work and recharge
Learning & Development programs
Parental benefits
Employee Resource & Community Groups