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SIEG Soluções Fiscais Estratégicas Tech Stack

Tax and accounting automation platform for Brazilian finance teams

IT Services and IT Consulting Recife, PE 201–500 employees Founded 2009 Partnership

SIEG builds digital tools for accountants and finance teams in Brazil, with a focus on tax compliance and document management. The tech stack—C# and ASP.NET Core on Azure, with SQL Server and MongoDB for data—reflects a traditional enterprise architecture; the absence of adopting or replacing signals a stable, mature codebase rather than active migration. Hiring is sales-heavy (4 of 11 roles) and skewed junior (8 of 11), suggesting channel expansion or customer success scaling into a growing market.

Tech Stack 17 technologies

Core StackC# SQL Server MongoDB Vue Tailwind CSS JavaScript TypeScript Node.js ASP.NET RabbitMQ Salesforce ASP.NET Core Entity Framework Core Git Azure Excel Word

What SIEG Soluções Fiscais Estratégicas Is Building

◆Challenges

Evolving financial maturity
Identifying financial risks
Reducing costs
Improving financial performance
Process efficiency

▲Active Projects

Annual budget construction
Forecast rolling
Financial modeling
Financial forecasting model development
Account reconciliation process improvement

Hiring Activity

Accelerating10 roles · 7 in 30d

Department

Sales

4

Engineering

2

Finance

2

Ops

2

Other

1

Seniority

Junior

8

Senior

2

Mid

1

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About SIEG Soluções Fiscais Estratégicas

SIEG is a Brazilian financial software company founded in 2009, headquartered in Recife. They serve accountants and small-to-medium finance teams with an ecosystem of tools for tax filing, electronic invoice management (NF-e), payroll integration, and cloud document storage. The platform simplifies fiscal and accounting workflows through automation and data analytics. The company operates as a partnership structure across 201–500 employees, hiring primarily in Brazil with active projects focused on financial forecasting, budgeting, and reconciliation processes.

HeadquartersRecife, PE

Company Size201–500 employees

Founded2009

Hiring MarketsBrazil

Frequently Asked Questions

What tech stack does SIEG use?

C#, ASP.NET Core, SQL Server, Entity Framework Core, Azure, MongoDB, Vue, JavaScript, and Node.js. Integrations include RabbitMQ for messaging and Salesforce for CRM.

What does SIEG do?

SIEG provides accounting and tax software for Brazilian finance professionals. The platform handles electronic invoice (NF-e) management, payroll integration, cloud document storage, and financial automation to reduce manual work and improve compliance.