Backend Developer (Java) @ Scalo

Required competencies for service delivery:

• minimum 5 years of commercial experience in Java programming,
• practical knowledge of Java 21 or newer,
• very good knowledge of the Spring Boot framework,
• experience in designing and implementing solutions based on hexagonal architecture,
• experience in creating and integrating REST API and SOAP services,
• knowledge of queue systems and asynchronous communication, such as Apache Kafka or IBM MQ,
• experience working with relational databases Oracle or PostgreSQL,
• ability to design efficient and scalable backend applications,
• attention to code quality and application of good programming practices.

Hi! Discover the possibilities of collaborating with Scalo!

At Scalo, we are involved in delivering software projects and supporting our partners in developing their business. We create software that enables people to make changes, act faster, and achieve better results. We utilize a wide spectrum of IT services to support our clients in achieving their business goals.

Our areas of activity include, but are not limited to:

• technology consulting,
• software creation,
• embedded systems,
• cloud solutions,
• data management,
• dedicated project teams.

What do we offer as part of the collaboration?

• the opportunity to provide services in diverse projects in the areas of Software, Embedded, Data, and Cloud Services,
• involvement in additional pre-sales and expert initiatives,
• access to medical care, a sports card, and a cafeteria platform in accordance with applicable cooperation rules.

,[service delivery in a banking project related to designing and developing software in Java for web applications provided within the intranet,, proposing and implementing new technological solutions and optimizations of existing ones,, maintaining technological standards,, improving team tools and work practices,, project location: Warsaw,, service delivery mode: hybrid (1 meeting per week at the client's office), project budget: up to 140 PLN/h + VAT, depending on experience and scope of services provided.]