Senior Software Engineer (TS)

Location: São Paulo, SP, br, Remote

Company Description

Do you enjoy building scalable backend systems where precision and reliability truly matter? We are looking for a Senior Software Engineer with strong TypeScript expertise to join a business-critical revenue and reporting platform for finance and accounting teams. This is a full-time remote position for specialists located in LATAM time zones close to the US.

We at Sigma Software create impactful solutions for global businesses and support engineers who take ownership, think proactively, and drive projects independently. In this role, you will collaborate with Product Managers, QA Engineers, and distributed engineering teams to deliver scalable backend services and complex financial workflows.

Why join us? You will work on high-impact financial systems, contribute to architectural decisions, and grow in a remote-first environment with professional development opportunities and international collaboration.

CUSTOMER

Our Customer is developing a modern revenue and reporting platform tailored for finance and accounting teams. The product operates with business-critical financial data where precision, scalability, and reliability are essential. The company focuses on helping organizations optimize financial operations through robust reporting systems and scalable backend services.

PROJECT

The project focuses on enhancing the Revenue & Reporting platform by expanding backend engineering capacity and improving scalability, maintainability, and reliability of financial systems. The team develops business-critical services handling complex financial calculations, reporting workflows, and data processing pipelines. This is a backend-focused environment where engineers take ownership of features from architecture and implementation through testing and production delivery.

Key Technologies: TypeScript, PostgreSQL, Prisma ORM, AWS, CI/CD, NestJS, Turborepo, React, Next.js, Monorepo architecture

Job Description

• Design, develop, and maintain backend services using TypeScript
• Take ownership of features and projects from design through implementation, testing, and deployment
• Build scalable, maintainable, and high-quality solutions for revenue and reporting systems
• Collaborate with Product Managers, QA Engineers, and developers to deliver reliable software
• Design and optimize database queries and data models
• Troubleshoot production issues and resolve complex technical challenges
• Participate in code reviews and contribute to engineering best practices
• Ensure smooth handoffs to QA by delivering well-tested, production-ready code
• Communicate proactively with distributed team members and work independently in a remote environment
• Contribute to backend architecture and scalability improvements

Qualifications

• 5+ years of software engineering experience
• Strong proficiency in TypeScript with deep backend expertise
• Strong experience with relational databases such as PostgreSQL
• Experience using ORMs, preferably Prisma
• Understanding of software architecture principles and scalability strategies
• Experience with cloud platforms, preferably AWS
• Familiarity with CI/CD practices
• Strong ownership mindset with ability to independently drive projects end-to-end
• Strong analytical and problem-solving skills
• Excellent communication and collaboration skills
• Ability to work effectively in distributed remote teams
• Upper-Intermediate English level or higher

WILL BE A PLUS

• Experience with NestJS
• Experience with Turborepo
• Familiarity with monorepo environments such as pnpm
• Experience with React or Next.js
• Experience working with financial or reporting platforms
• Experience operating in high-ownership engineering environments

Additional Information

PERSONAL PROFILE:

• Ownership mentality with proactive attitude
• Reliable and accountable approach to software delivery
• Strong communication skills
• Ability to work independently in offshore distributed teams
• Analytical mindset with strong attention to detail
• Comfortable operating in fast-paced agile environments