Senior Full-stack Engineer

Required skills

Requirements

6+ years of full-stack development experience
Hands-on experience with Kafka in production environments
Deep understanding of secure coding practices
Experience with Node.js, NestJS, and TypeScript
Experience with React and Tailwind CSS
Experience with MySQL or PostgreSQL, including schema design and query optimization at scale
Experience building and integrating REST APIs
Experience translating Figma designs into production-ready components
Proficiency with AI coding tools (e.g. Cursor, etc.) and effective prompting
Strong communication skills in both spoken and written English

Proven Kafka in production: had built or maintained Kafka-based, event-driven systems
Secure development in a fraud-sensitive environment: deep understanding of secure coding and has worked somewhere security mattered: fintech, payments, or PCI DSS exposure
Database engineering at scale: strong in schema design, query writing, and performance tuning on high-volume data

Startup experience
Experience with microservices and event-driven architectures
Experience with fraud detection, anomaly detection, or financial data modeling
Familiarity with PCI DSS standards
Broader knowledge of message queue systems beyond Kafka
Background in fintech, payments, or e-commerce
Experience with Ruby and Ruby on Rails
Experience with Bootstrap
Bachelor's Degree or Advanced Degree (Ph.D. or Master’s) in Computer Engineering, Computer Science, or equivalent

Build and maintain event-driven backend services using Kafka, Node.js, NestJS, and TypeScript
Design database schemas and write efficient, scalable queries in MySQL or PostgreSQL
Write secure code for a fraud-sensitive platform, following PCI DSS best practices
Develop and maintain REST APIs, ensuring seamless integration with frontend applications
Contribute to the evolution of a microservices-based architecture
Build frontend components and views using React and Tailwind CSS based on Figma designs
Use AI coding tools (e.g. Cursor, etc.) to speed up development
Collaborate with product and design teams to deliver user-facing features

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LATAM · 100% Remote Long-term · 40h/week 6+ years

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