Senior Full-Stack Developer

Are you passionate about building scalable, high-load systems and tackling complex engineering challenges? Join Sigma Software’s team as a Senior/Principal TypeScript Full Stack Engineer with a strong backend focus, and work on a modern, high-impact product alongside a distributed, collaborative team. This role is open to candidates based in LATAM and Europe, offering the flexibility to work in a global environment and contribute to cutting-edge architecture while enhancing your expertise in backend development. At Sigma Software, we value innovation, technical excellence, and career growth. You’ll be part of a project where your work directly influences product performance, scalability, and user experience. Our customer is a leading SaaS provider in the FinTech industry, specializing in AI-native revenue platforms for finance and accounting teams. Their solutions cover subscription management, billing, and revenue operations for companies of all sizes. With a strong focus on compliance, scalability, and integration with multiple payment gateways, they help businesses streamline financial processes and accelerate growth. This high-impact project focuses on designing and maintaining backend services for distributed systems, with occasional contributions to frontend components. You’ll work with modern technologies, applying best practices in architecture, testing, and code quality. The team operates in a collaborative, agile environment, ensuring scalability, reliability, and security across all services.