Mobile Engineer

About Highspring Highspring is a next-generation consulting and professional services firm delivering modern, agile solutions across North America. We partner with leading organizations in banking, insurance, and technology to build high-impact digital products and scalable platforms. The Opportunity We're looking for a Frontend Developer (React / React Native) who thrives at the intersection of mobile and web. If you enjoy building high-performance user experiences across platforms, this role is for you. You'll join a strong Agile squad delivering modern applications in a fast-paced, high-impact environment. What You'll Do Build mobile + web applications using React and React Native Deliver clean, scalable, production-grade frontend code Work closely with product, design, and architecture teams Own features end-to-end - from concept to production Optimize performance, reliability, and user experience Contribute to code reviews and engineering best practices Push automation and testing (unit, integration, E2E) Challenge ideas, drive technical decisions, and raise the bar What You Bring to the Table 5+ years in software development Strong experience in frontend engineering (React + React Native) Proven ability to ship mobile AND web applications Solid understanding of modern JavaScript (TypeScript, ES6+) Comfortable in fast-moving Agile environments Strong problem-solving mindset and ownership mentality French required Core Skills Required React + React Native (TypeScript) Redux / modern state management API integration (REST / GraphQL) Mobile performance, debugging & optimization Testing: Jest / Detox / Cypress (or similar) CI/CD: GitHub, Jenkins, AppCenter Code quality: ESLint Why Join Highspring Work on high-impact digital products Join a team of strong, collaborative engineers Build across mobile and web - not just one stack Grow fast in a consulting environment with real ownership Access continuous learning and career progression À propos de Highspring Highspring est une firme de services-conseils nouvelle génération qui livre des solutions modernes et agiles à travers l'Amérique du Nord. Nous collaborons avec des leaders des secteurs bancaire, assurance et technologique pour bâtir des produits numériques à fort impact. L'opportunité Nous recherchons un(e) Développeur(se) Frontend (React / React Native) passionné(e) par le développement mobile et web. Tu veux construire des expériences performantes sur plusieurs plateformes? Ce rôle est pour toi. Tes responsabilités Développer des applications mobile et web avec React et React Native Livrer du code frontend propre, performant et scalable Collaborer avec les équipes produit, design et architecture Prendre en charge des fonctionnalités de bout en bout Optimiser la performance et l'expérience utilisateur Participer aux revues de code et aux meilleures pratiques Contribuer à l'automatisation des tests Influencer les décisions techniques et challenger l'équipe Ton profil 5+ ans d'expérience en développement logiciel Solide expérience en frontend (React + React Native) Expérience concrète en développement mobile ET web Très bonne maîtrise de JavaScript moderne (TypeScript) À l'aise en environnement Agile Autonomie, rigueur et esprit d'analyse Français obligatoire Compétences clés React / React Native (TypeScript) Redux / gestion d'état APIs REST / GraphQL Performance mobile et debugging Tests : Jest, Detox, Cypress CI/CD : GitHub, Jenkins, AppCenter ESLint Pourquoi Highspring Projets à fort impact Équipe solide et collaborative Stack moderne (mobile + web) Croissance rapide et responsabilités réelles Formation continue et évolution

Build and maintain high-performance mobile and web applications using React and React Native. Collaborate with cross-functional teams to deliver clean, scalable code and own features from concept to production.

Requires over 5 years of software development experience with a strong focus on frontend engineering. Candidates must be proficient in TypeScript, React, and React Native, and be able to work in an Agile environment.

• ReactPreferred
• TypeScriptPreferred

Identified from the job description. Confirm important requirements above.

• React
• React Native
• TypeScript
• Redux
• State Management
• REST API
• GraphQL
• Mobile Performance
• Jest
• Detox
• Cypress
• GitHub
• Jenkins
• AppCenter
• ESLint
• Agile

• Software
• Technology
• Engineering
• Consulting

Minimum experience

5+ years

Apply by

Sep 26, 2026

Posting language

English

Working hours

40 hours per week

Seniority

Mid-Senior level

Application method

Direct apply is available