TL;DR

Lead React Developer (React Native): Developing and optimizing mobile and web applications with an accent on architectural guidance, scalability, and complex issue resolution. Focus on creating well-integrated features, supporting teammates, and improving development practices.

Location: Hybrid in Asuncion, Paraguay

Company

MentorMate, part of %hirify_global%, is a leading software and digital engineering services company specializing in enterprise web and mobile development, quality engineering, and cloud solutions, serving diverse industries with mission-critical software.

What you will do

Develop, maintain, and optimize mobile applications using React and React Native.
Collaborate closely with backend, product, and design teams to create well-integrated features.
Provide architectural guidance and technical leadership, establishing clean boundaries, modularization, and scalable feature structures.
Break down complex projects into simple, step-by-step plans.
Support teammates by reviewing code, sharing knowledge, and helping unblock technical issues.
Participate actively in continuous improvement across tooling, testing, and development practices.

Requirements

5+ years of experience in both mobile and web development, with a strong focus on React.
Proven ability to identify, debug, and resolve complex issues quickly and effectively.
Experience with Typescript, React Navigation, and native modules (iOS/Android).
Experience with test tools like Jest, Vitest, RTL/RNTL, and knowing when to use unit vs integration tests.
Ability to structure features cleanly, modularize, and keep architecture simple and scalable.
Excellent verbal and written English communication skills.

Nice to have

Experience with state management, forms & validation.
Experience with SDKs like Segment, Datadog, FullStory, Firebase, Notifee, or chat/video SDKs (CometChat, OpenTok).
Ability to troubleshoot iOS/Android build issues.
Familiarity with Agile methodologies and best practices.
Comfortable integrating with backend teams and CRM tools like Salesforce.
Able to collaborate using Figma and design tokens, and experience implementing design systems.
Knowledge of DevOps practices and CI/CD pipelines.

Culture & Benefits

Clear career path with opportunities for vertical and horizontal advancement.
Regular salary raises based on career path and performance.
Social Security (IPS) and legally mandated Aguinaldo benefit.
Flexible work environment: option to work remotely, in-office, or a combination of both.
Access to various trainings, knowledge-sharing events, and personal learning budget.
Referral program for employee bonuses.
Enjoy team gatherings and communities of interest.

Lead React Developer (Mobile Development)