Senior Software Engineer, Flutter

EX Squared LATAM

full-time

Posted on: 8/22/2025

Location: 🇺🇸 United States

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Senior

AWSDartFirebaseFlutterGrafanaGraphQLJavaScriptKafkaMicroservicesNode.jsNoSQLPrometheusRabbitMQReactReact NativeRedisSQLTypeScript

About the role

Senior Software Engineer with deep expertise in Flutter for mobile applications to architect and deliver high-quality, scalable, and secure solutions
Hybrid role; you’ll work 1 day per week from the San Rafael, Escazu office; bilingual English B2+ / C1+ required
Lead development efforts and craft seamless user experiences across web and mobile platforms
Build transformative digital experiences for global brands at EX Squared LATAM

Bilingual proficiency (English B2+ / C1+ required)
5+ years of professional experience with Flutter/Dart, building and delivering production-ready mobile apps
Strong expertise in state management (Riverpod, BLoC, GetX) and mobile performance tuning
Solid experience with Firebase, GraphQL, and offline-first strategies
2+ years of back-end experience with Node.js, Express, and TypeScript
Knowledge of React Native with hands-on contributions to projects
Understanding of microservices, event-driven systems, and service-oriented architectures
Experience with messaging systems (RabbitMQ, Kafka, AWS SQS) and caching tools (Redis, Memcached)
Skilled in SQL and NoSQL database design and optimization
Familiarity with observability tools (Prometheus, Grafana, Datadog) and CI/CD pipelines
Nice to Have Advanced experience with orchestration tools beyond core requirements
Knowledge of mobile analytics and user behavior tracking
Familiarity with accessibility standards for mobile apps
Exposure to cross-platform development for web