Crossjoin Solutions

We are a global tech company specializing in reliable and high-performance IT services — fast, scalable, and secure. With over 15 years of experience and 30+ international clients, we operate in any stack, focusing on performance, systems, software, observability, and security, with offices in Almada, Aveiro, and Chile.
About company

Junior application support

On-site

location Setubal

date April 15, 2026

types Full-time

Crossjoin Solutions, founded in 2009, is a Portuguese IT company serving over 30 clients across Europe, Latin America, and North America. Through our services, we support tens of millions of consumers in numerous countries worldwide.

We provide consulting services across a broad range of sectors reliant on information systems, including banking, insurance, healthcare, automotive, finance, and telecommunications. Our expertise covers end-to-end performance optimization, enterprise testing, major incident troubleshooting and resolution, full-stack architecture advisory, continuous integration, deployment acceleration, and infrastructure managed services.

You will be integrated in our Academy!

At this Academy, you will be challenged with intensive training, both theoretical and in realistic labs, so you can be ready for Crossjoin's projects. Here, you’ll not only sharpen your technical abilities but also refine your soft skills, preparing you to face real-world challenges.

Responsibilities:

  • Incident Management & Triage:
  • Monitor application health and performance using monitoring tools.
  • Receive and analyze incident tickets, categorizing and prioritizing as appropriate.
  • Escalate complex or high-priority issues to senior engineers or development teams with clear, concise information.
  • Routine Maintenance & Operational Tasks:
  • Perform routine checks and health validations of applications and their underlying infrastructure (e.g., AWS, Azure).
  • Assist with application deployments and configuration changes following established protocols.
  • Troubleshooting & Problem Solving:
  • Follow runbooks and Standard Operating Procedures (SOPs) to resolve recurring incidents.
  • Collaborate with development, applications, and network operations teams to investigate and resolve issues.
  • Participate in post-incident reviews to help analyze and prevent future incidents.
  • Knowledge & Skill Development:
  • Engage in training activities and self-study to build foundational technical knowledge.
  • Contribute to internal knowledge base articles and documentation.
  • Stay informed on new technologies and trends relevant to telecommunications and cloud computing.

Requirements:

  • Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related field (completed).
  • Understanding of programming language concepts for Fullstack applications (Java and Angular).
  • Understanding of SQL and NoSQL database variations.
  • Proficiency in written and spoken English.

Nice to Have:

  • Understanding of containerization concepts (Kubernetes).
  • Understanding of cloud technologies (Azure, AWS, or similar).
  • Understanding of automation concepts (Azure DevOps, Jenkins).

We offer:

  • Health Insurance extensible to the family;
  • Crosser Assistance Program (Psychology, Psychosocial, Financial, Legal and Nutrition consultations);
  • A well-structured Individual Development Plan (IDP);
  • Career Plan transversal to the entire company;
  • Monthly gym subscription;
  • Team-building events.

With the submission of your application you authorise the treatment and storage of your personal data within Crossjoin Solutions, Lda database for this recruitment process and/or other future opportunities.