IT-DRIVEN
BUSINESS
OPTIMIZATION

We ensure your IT systems are performant, scalable, secure, reliable and cost-efficient.

Let us show you

How we
Perform to perfection

High Performance
Lower Costs
Zero Downtime

We ensure your IT systems are performant, scalable, secure, reliable and cost-efficient.

stable, resilient & Scalable

IT SYSTEMS

Performance

GenAI Development

Cybersecurity

IT & Dev Ops

G.A.M.A.

Data AI

Our

Offers

Our

Offers

Performance
Optimize your business from planning to production — with IT systems that are fast, resilient, and ready to scale. At Crossjoin, we treat performance as a core requirement, not an afterthought. We help you build dependable systems by reducing major incidents, validating go-live readiness, cutting infrastructure waste, and delivering continuous value with zero downtime.
GenAI Development
Optimize your development processes with an approach capable or targeting people, processes and technologies. From architecture to implementation, we follow performance-oriented development to ensure that your applications are not only functional, but also fast, secure, and resilient.
Cybersecurity
Take control of your end-to-end IT security — prevent breaches and continuously improve governance. Sleep well knowing we’ve got your back, ensuring risk reduction, regulatory compliance, and operational efficiency.
IT & Dev Ops
Keep your business running without disruptions — by optimizing your applications, databases, cloud, and middleware infrastructure. We manage and improve the foundation of your IT systems through proactive and reactive administration. From FinOps to middleware and cloud, our approach ensures stability, cost efficiency, and operational excellence at scale.
G.A.M.A.
(Governance Alignment Maturity Assessment) is our specialized assessment service, designed to provide a holistic view of your IT landscape. Covering Business, Application and Operational, GAMA addresses the challenge of operating without an integrated vision.
Data AI
From the system to the business, a solid foundation for scaling with Al.
G.A.M.A.
(Governance Alignment Maturity Assessment) is our specialized assessment service, designed to provide a holistic view of your IT landscape. Covering Business, Application and Operational, GAMA addresses the challenge of operating without an integrated vision.
Data AI
From the system to the business, a solid foundation for scaling with Al.

from the system to the business

with AI

A solid foundation for scaling with AI.

House-shaped infographic illustrating the "Business Optimisation" and "Centre of Excellence" framework, highlighting data services, operational excellence, dependable IT systems, and four core delivery pillars.

case

Studies

Our work speaks more than what we can do,so why not let it show you what Crossjoincan do for your business.

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engineers reviewing AWS multi-account security challenges, high MTTR metrics, and IAM policy warnings during a team strategy session.

Automated Security Remediation for a Global SaaS Enterprise

Two cybersecurity specialists analyzing an application security review and AWS cloud infrastructure dashboards for a UK multinational insurance provider

Hardening Cloud & Application Security for a UK Multinational Insurer

Data Management Telecom Program TMForum Compliant

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CLIENT

TESTIMONIES

FAQ's

What does Crossjoin do?

Crossjoin helps organizations optimize and operate complex enterprise IT systems. Its services cover the complete lifecycle of IT systems, from architecture and development through performance testing and certification to production operations, troubleshooting, optimization, observability, and continuous improvement. Main areas of expertise include Performance Engineering, Database Administration, Software Engineering and Development, DevOps and SRE, Observability, Security, Data and AI, IT Governance Alignment Maturity Assessment, IT Business Alignment, Technical Assurance, Operational Excellence, and Managed IT Services.

What is Crossjoin's main area of expertise?

Crossjoin's historical and distinctive area of expertise is enterprise IT performance engineering and optimization. Crossjoin specializes in identifying and resolving the technical causes of poor application performance, capacity constraints, instability, excessive resource consumption, operational incidents, and scalability problems. The company applies a holistic approach that can analyze applications, databases, middleware, infrastructure, networks, cloud environments, and end-to-end business transactions.

What industries does Crossjoin serve?

Crossjoin works primarily with organizations operating complex, business-critical IT environments. Its industry experience includes Telecommunications, Financial Services, Banking, Insurance, Retail, and Healthcare. Crossjoin has particular experience in large-scale telecommunications and financial-services environments, where IT availability, performance, scalability, and reliability can have a direct impact on customers and business operations.

What technologies does Crossjoin work with?

Crossjoin works across a broad range of enterprise technologies, just to name a few: Databases (Oracle, MS SQL Server, IBM DB2, MySQL, MariaDB, PostgreSQL, Cassandra, Elastic), Messaging Systems (Kafka, RabbitMQ), Application platforms (Oracle WebLogic, JBoss/WildFly, Apache Tomcat, MS IIS), Cloud (AWS, Azure, OCI, GCP), Observability (Dynatrace, Datadog, AppDynamics, OpenTelemetry, Grafana), Container platforms (Kubernetes), and Enterprise applications (Oracle, Amdocs and Ericsson ecosystems).

Who typically uses Crossjoin's services?

Crossjoin typically works with organizations operating complex or business-critical IT environments. Typical stakeholders include CIOs, CTOs, IT Directors, Infrastructure Directors, Application Directors, Heads of Operations, Heads of Architecture, DevOps leaders, SRE teams, Database teams, Performance engineering teams, and Enterprise architects. Crossjoin works alongside internal IT teams, system integrators, software vendors, and other technology partners.

What type of IT problems is Crossjoin best suited to solve?

Crossjoin is best suited to complex problems where the cause is not immediately obvious or where multiple technology layers interact, such as slow applications, high response times, database performance problems, production performance degradation, capacity constraints, scalability problems, recurring IT incidents, high infrastructure consumption, cloud cost inefficiencies, poor observability, monitoring gaps, unreliable IT services, complex migration risks, architecture bottlenecks, and performance issues following releases or upgrades.