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Crossjoin Solutions Tech Stack

IT performance optimization and cloud infrastructure consulting

IT Services and IT Consulting Pragal 51–200 employees Founded 2010 Privately Held

Crossjoin is a Portugal-based IT consulting firm built around system performance tuning and infrastructure modernization. The tech stack—Linux, Java, Oracle, SQL Server, PostgreSQL across AWS, Azure, GCP, and OCI—reveals a multi-cloud, polyglot infrastructure practice. Current hiring is weighted toward junior engineering roles with a growing security focus (3 open security positions), while active projects center on cloud migration, DevSecOps integration, and vulnerability management—indicating a shift from legacy database optimization toward cloud-native security and pipeline automation.

Tech Stack 55 technologies

Core StackLinux Java Oracle SQL Server PostgreSQL AWS Kubernetes Docker Snyk Python Azure DevOps Jira Google Ads Meta Ads C++ MySQL Cassandra Azure GCP OCI Prisma Cloud Microsoft Sentinel PowerShell Wiz Spring Boot Azure Kubernetes Service AWS EKS SQL OutSystems C+20 more

ReplacingOracle Cloud

What Crossjoin Solutions Is Building

◆Challenges

Remediating security issues
System stability and responsiveness
Strengthening cloud security posture
Security vulnerability remediation
Modernising legacy data warehouse to cloud
Responding to security alerts
Vulnerability assessments
Generating qualified leads
Optimizing conversion funnels
Performance bottlenecks in it environments

▲Active Projects

Vulnerability management program
Devsecops integration
Modernisation of legacy data warehouse to cloud
Code conversion from rdbms to oracle cloud
Devsecops adoption
Ci/cd pipeline security integration
Tooling optimization
Inbound/outbound campaigns
Conversion-driven content creation
Data-driven analysis

Hiring Activity

Decelerating15 roles · 4 in 30d

Department

Engineering

8

Security

3

Data

2

Support

2

Marketing

1

Ops

1

Seniority

Junior

10

Senior

5

Lead

2

Notable leadership hires: Technical Lead

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About Crossjoin Solutions

Crossjoin delivers IT performance optimization, infrastructure tuning, and cloud modernization services to mid-market enterprises. Founded in 2010, the firm operates from Pragal, Portugal, with hiring presence in Peru. Core service areas include database administration and infrastructure optimization, quality assurance and system auditing, business process management, and solutions development. The company maintains a competence center model to support consulting delivery across client sites, with emphasis on training and career development for staff. Recent work centers on migrating legacy data warehouses to cloud platforms and embedding security practices into CI/CD workflows.

HeadquartersPragal

Company Size51–200 employees

Founded2010

Hiring MarketsPortugal, Peru

Frequently Asked Questions

What cloud platforms does Crossjoin work with?

Crossjoin operates across AWS, Azure, GCP, and OCI. The tech stack includes Azure Kubernetes Service, AWS EKS, and Azure DevOps for infrastructure and orchestration work.

What databases does Crossjoin use?

The stack includes Oracle, SQL Server, PostgreSQL, MySQL, and Cassandra. The company is currently migrating code away from Oracle Cloud as part of broader cloud modernization efforts.