Sezzle is seeking a Mobile Engineer to help build and own new features in their cross-platform TypeScript React Native app and Golang backend APIs. This role involves managing releases for millions of active users and collaborating closely with product, design, and business teams in a fast-paced, innovative fintech environment.
What You'll Do
- Help own and build out new features within our cross-platform TypeScript React Native app, and Golang backend APIs.
- Manage our releases, using tools like cohorting, feature flags, and app-store infrastructure to ensure a safe rollout to our millions of active users.
- Maintain a strong working relationship with product, design, and the business to ensure stakeholder needs are being evaluated and met.
- Work with the team to continuously build clean, scalable, robust, and testable code.
- Develop a deep working knowledge of your application, data domain, and KPIs.
What We're Looking For
- 3+ years of professional mobile development experience, with at least 2+ years in React Native or similar technology such as Flutter.
- Experience working with native code on iOS (Swift/ObjC) and Native Android (Kotlin/Java).
- Experience developing and delivering a mobile application to Apple and Google’s mobile app stores.
- Deep understanding of React Native architecture, hooks, context, navigation patterns, and performance optimization.
- Strong familiarity with unit testing, integration testing, and E2E testing (Jest, React Native Testing Library, Detox, Appium, etc.).
- Ability to lead features end-to-end — from requirements, design, implementation, deployment, monitoring, and improvement.
- Experience mentoring junior or mid-level engineers.
- Capable of performing high-quality code reviews with focus on maintainability, clarity, and best practices.
- Drives technical decisions, proposes improvements, and elevates code quality across the team.
- Works well with product managers, designers, backend teams, and QA.
- Bachelor's degree in computer science
- Knowledge of mobile CI/CD pipelines (Fastlane, Bitrise, GitHub Actions, etc.)
Nice to Have
- Knowledgeable in writing automated tests for applications (unit, integration, end-to-end), and implementing them in a CI environment.
- Ability to solve problems with backend-focused languages like Go, Python, Java or similar.
- Familiarity with typical microservice architecture composed of HTTP APIs.
- Experience working with native code on iOS, Android.
Technical Stack
Golang, Typescript, Python, React, React Native, MySQL, Postgres, Elasticsearch, AWS, Kubernetes, Git, Gitlab, Fastlane, Bitrise, GitHub Actions, Jest, React Native Testing Library, Detox, Appium
Team & Environment
- Relentlessly high standards
- Not bound by convention
- Need for action and speed
- Values calculated risk-taking
- Earns trust through attentive listening, candid speaking, and respectful treatment
- Has backbone; respectfully challenges decisions and then commits fully once decided
Benefits & Compensation
- Monthly salary $3,500 - $6,000 (Gross in USD)
- Opportunities for career advancement
- Work with brilliant engineers, data enthusiasts, out-of-the-box thinkers, and innovators
- Company culture that values unique, purpose-driven individuals
Work Mode
Remote position available for candidates in Argentina. The role supports flexible work arrangements within a global team structure.
