J

Jaé Tech Stack

Digital ticketing system for Rio de Janeiro's public transit

Technology, Information and Internet Rio de Janeiro, Rio de Janeiro 51–200 employees Founded 2023 Privately Held

Jaé operates Rio de Janeiro's municipal ticketing platform, managing one of Brazil's largest urban transit billing transitions. The tech stack—PostgreSQL, SQL Server, Oracle, MongoDB, Elasticsearch, plus Power BI and SAP—reflects a mature, multi-database architecture typical of mission-critical municipal infrastructure. Active hiring across data, finance, and ops roles signals operational scaling, while pain points centered on budget variance, forecasting accuracy, and SLA compliance suggest the company is moving beyond launch into steady-state financial and operational governance.

Tech Stack 22 technologies

Core StackPostgreSQL SQL Server MySQL Oracle Python Power BI pandas AWS MongoDB Elasticsearch SAP Linux Azure GCP Git Excel TOTVS AnyDesk TeamViewer VNC Windows Microsoft Office

What Jaé Is Building

◆Challenges

Budget variance analysis
Financial forecasting accuracy
Process automation for planning
Operational availability monitoring
Sla compliance

▲Active Projects

Economic feasibility studies for new projects
Automation of financial planning processes

Hiring Activity

Accelerating5 roles · 3 in 30d

Department

Data

1

Executive

1

Finance

1

Ops

1

Other

1

Seniority

Mid

3

Junior

1

Senior

1

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About Jaé

Jaé is the official digital ticketing system for Rio de Janeiro's municipal transport network, operating on behalf of the city to handle billing and access control for millions of daily riders. Founded in 2023, the company has built a production platform connecting operational efficiency, accessibility, and data intelligence across the transit ecosystem. The organization spans 51–200 employees based in Rio de Janeiro, with active development in economic feasibility studies for transit expansion and automation of financial planning workflows.

HeadquartersRio de Janeiro, Rio de Janeiro

Company Size51–200 employees

Founded2023

Hiring MarketsBrazil

Frequently Asked Questions

What tech stack does Jaé use?

PostgreSQL, SQL Server, MySQL, Oracle (databases); Python (backend); Power BI (analytics); Azure, AWS, GCP (cloud infrastructure); Elasticsearch (search/logging); SAP and TOTVS (ERP systems).

What challenges is Jaé working on?

Budget variance analysis, financial forecasting accuracy, process automation, operational availability monitoring, and SLA compliance—typical of large-scale municipal platform operations.

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