Mobile Engineer, All Levels

Sezzle

. Build and maintain innovative product features in the cross-platform TypeScript React Native app .

Posted 11/2/2026full-timeRemote • ColombiaMid-LevelSenior💰 $3,000 - $4,500 per monthWebsite

Core Competencies

Role fit

Core Competencies

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Proficient in building and maintaining cross-platform applications using TypeScript and React Native, with a strong focus on clean, scalable, and testable code. Experienced in collaborating with teams to enhance product features and leveraging AI tools for improved productivity.

Highest-signal resume keywords

TypeScript React Native DevelopmentSwift ProgrammingLarge Language Model Tools ExperienceMobile Application DeploymentAutomated Testing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

TypeScriptReact NativeSwiftJavaScriptAutomated TestingRESTful APIsFrontend DevelopmentSoftware Development MethodologyCode ReviewsProject Planning

Soft Skills

Team CollaborationProblem SolvingHigh StandardsDecisivenessTrust Building

Tools & Technologies

ClaudeAI ToolsSoftware Engineering Tools

Certifications & Qualifications

Bachelor's in Computer Science

Industry Keywords

Mobile ApplicationApp StoreGoogle Play StoreCodebaseDesign Principles

Tech Stack

Tools & technologies

JavaScriptReactReact NativeSwiftTypeScript

About the role

Key responsibilities & impact

Build and maintain innovative product features in the cross-platform TypeScript React Native app
Learn product areas and collaborate with feature owners to suggest improvements
Participate in design and architecture discussions
Contribute hands-on to the codebase and code reviews
Build clean, scalable, robust, and testable code with the team
Assist with project planning, estimations, and completion
Support the mobile app as a platform and collaborate with engineers across multiple teams on larger product releases

Requirements

What you’ll need

Experience solving technical problems as part of a team
Bachelor's in computer science or related
Experience with Swift
Demonstrated experience working with Claude or equivalent large language model tools is required; candidates must be comfortable leveraging AI to enhance productivity, research, and communication
Familiarity with modern Frontend Development, Javascript or Typescript, with React Native or React (web) experience strongly preferred
Experience developing and delivering a mobile application to a mobile app store (App Store or Google Play Store)
Knowledgeable in writing automated tests for applications (unit, integration, end-to-end)
Familiar with the basic principles and design of React Native Apps, and RESTful APIs
Close familiarity with software engineering tools, software development methodology, and release processes
High standards, ability to challenge conventions, act decisively, earn trust, respectfully disagree and commit, and deliver results