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COELSA Tech Stack

Fintech payments infrastructure for Latin America

IT Services and IT Consulting Argentina, Ciudad Autónoma de Buenos Aires 201–500 employees Founded 1997 Privately Held

COELSA operates Argentina's primary financial payments ecosystem, built on a modern .NET + Azure stack with deep observability (Dynatrace, Prometheus, OpenTelemetry) and streaming (Kafka, RabbitMQ). Active investments in ML operationalization—model lifecycle automation, CI/CD pipelines for ML, monitoring for degradation—signal movement toward predictive risk and fraud detection, while concurrent database migration and cloud infrastructure cost optimization suggest infrastructure maturation underway.

Tech Stack 27 technologies

Core StackMLflow SQL Server MongoDB .NET Angular OpenShift Ansible Grafana Dynatrace Elasticsearch Prometheus OpenTelemetry Azure DevOps RabbitMQ Kafka Redis CI/CD DVC Git LFS Azure SQL Database MongoDB Atlas HTML5 Azure Git IIS Entity Framework WSO2

What COELSA Is Building

◆Challenges

Optimizing infrastructure costs
Managing telecom providers
Integrating security into devops
Operationalizing ml models efficiently
Detecting model degradation
Migrating databases to cloud
Performance bottlenecks
High volume data operations
Process efficiency improvement
Customer satisfaction improvement

▲Active Projects

Ci/cd pipelines for ml models
Monitoring systems for production models
Model lifecycle automation
Database migration and upgrade projects
Generate threat intelligence products
Create correlation rules in threat intelligence platforms

Hiring Activity

Accelerating10 roles · 6 in 30d

Department

Engineering

5

Ops

2

Security

2

Data

1

Design

1

Seniority

Mid

8

Junior

2

Senior

1

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About COELSA

COELSA is an Argentine fintech firm founded in 1997 that operates critical payment settlement and interoperability infrastructure for the regional financial ecosystem. The company enables individuals and institutions to move money across multiple channels and providers. Engineering is concentrated (5 of 12 active hires) and mostly mid-level, with growing investments in security (2 roles) and data (1 role), indicating infrastructure and risk-management hardening as transaction volumes scale. All current hiring is based in Argentina.

HeadquartersArgentina, Ciudad Autónoma de Buenos Aires

Company Size201–500 employees

Founded1997

Hiring MarketsArgentina

Frequently Asked Questions

What technology does COELSA use for payments infrastructure?

COELSA runs .NET and Angular on Azure infrastructure with SQL Server and MongoDB for data, Kafka and RabbitMQ for messaging, and Dynatrace, Prometheus, and OpenTelemetry for observability across production systems.

What is COELSA working on?

COELSA is actively building CI/CD pipelines for ML models, production monitoring systems, model lifecycle automation, database migrations to cloud, and threat intelligence products with correlation rules.