Senior Software Engineer

EX Squared LATAM

Costa Rica
Permanente
Tiempo completo

Hace 16 días

Become an EXpert as a Senior Software Engineer:At EX Squared LATAM, we build transformative digital experiences for global brands. We're looking for a Senior Software Engineer with deep expertise in Node.js for back-end development and Flutter for mobile applications to architect and deliver high-quality, scalable, and secure solutions. This hybrid role is ideal for a bilingual professional who thrives on tackling complex technical challenges, leading development efforts, and crafting seamless user experiences across web and mobile platforms.Hybrid model – You'll work 1 day (Wednesday) per week from our office (San Rafael, Escazu).What You'll Do:

Design, develop, and maintain scalable back-end services using Node.js and TypeScript.
Architect, build, and optimize cross-platform mobile applications using Flutter and Dart.
Implement robust API architectures (RESTful/GraphQL) and ensure seamless integration with mobile front ends.
Build and maintain custom Flutter plugins, reusable components, and multi-package repositories (e.g., Melos).
Optimize performance across server and mobile applications, ensuring scalability and responsiveness.
Apply secure coding practices for both back-end and mobile environments, ensuring data protection and compliance.
Deploy services using containerization (Docker/Kubernetes) to cloud platforms (AWS, Azure, or GCP).
Collaborate with designers, PMs, QA engineers, and developers to deliver high-quality products.
Participate in code reviews, mentor junior developers, and champion best practices.

What You'll Bring

Bilingual proficiency (English C1+ required).
5+ years of back-end development experience with Node.js, Express, and TypeScript.
Strong knowledge of microservices, event-driven systems, and service-oriented architectures.
Experience with messaging systems (RabbitMQ, Kafka, AWS SQS) and caching (Redis, Memcached).
Skilled in SQL and NoSQL database design and optimization.
Familiarity with observability tools (Prometheus, Grafana, Datadog) and CI/CD pipelines.
2+ years of Flutter/Dart (must have) development for production-ready apps.
Expertise in state management solutions (Riverpod, BLoC, GetX) and mobile performance tuning.
Experience with Firebase, GraphQL, and offline-first strategies.

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.

Why Join EX Squared?At EX Squared LATAM, we don't just build products—we build careers. You'll join a multicultural, innovative team delivering high-impact solutions for global clients. Our culture values collaboration, continuous learning, and professional growth, ensuring that your career trajectory is as exciting as the projects you'll work on.What We Offer

Competitive salary in USD.
Hybrid work model with 1 day per week in the office.
Medical insurance .
Flexible, inclusive, and collaborative work environment.
Access to EX Squared University for continuous learning and certifications.
A culture that celebrates creativity, ownership, and team success.

EX Squared LATAM

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