Senior Full-stack Developer
Sigma Software
$0-$0 / yr
Salary
brazil
Region
ASAP
Start Date
About Sigma Software
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.
CUSTOMER 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.
PROJECT 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.
Key Technologies: TypeScript, NestJS, Turborepo, React, Next.js, pnpm, relational databases, caching systems, AWS, CI/CD
About this Role.
Design, develop, and optimize backend services and APIs for high-load, distributed systems
Contribute to frontend components using React and Next.js when required
Ensure scalability, reliability, and security across all services
Apply best practices in software architecture, code quality, and testing
Participate in code reviews, mentoring, and technical discussions
Collaborate with product managers, designers, and other engineers to deliver end-to-end features
5+ years of experience in software engineering
Strong proficiency in TypeScript with deep backend expertise
Solid understanding of relational databases and caching systems
Familiarity with frontend frameworks (React, Next.js)
Preferred technologies and tools: NestJS, Turborepo, monorepo environments (pnpm or similar)
Knowledge of cloud environments (AWS preferred) and CI/CD practices
Strong understanding of software architecture principles and scalability strategies
Excellent problem-solving skills and ability to work in a collaborative, agile environment
Upper-Intermediate English level or higher
WILL BE A PLUS
Experience with NestJS and/or Turborepo
Familiarity with monorepo environments (pnpm or similar)
AWS expertise