Senior Backend Developer | Cloud-Native APIs

Randstad Polska Sp. z o.o.; Warszawa; On-site; PLN 120,000 - 160,000; Full time

Job summary

Randstad Polska Sp. z o.o. seeks a Backend Developer to design, build, and maintain robust backend services and APIs powering client portal applications. You will work with Java or .NET, design data models, and ensure scalable, secure software.

You will collaborate with front-end teams, deploy in Docker/Kubernetes/OpenShift environments, and contribute to CI/CD and testing practices in an Agile setting.

Qualifications

• Strong object-oriented development experience.
• Experience with containerized/cloud-native deployment.
• Experience building and consuming REST APIs.
• Familiarity with CI/CD pipelines and automated testing.

Responsibilities

• Develop and maintain backend services and RESTful APIs.
• Design data models and database integration.
• Collaborate with front-end teams to define API contracts.
• Build and deploy services in Docker/Kubernetes/OpenShift.
• Participate in Agile ceremonies and on-call rotations.

Skills

Java

.NET

REST APIs

Docker

Kubernetes

OpenShift

SQL

CI/CD

Testing

Tools

Spring Boot

.NET Core

Job description

Randstad Polska Sp. z o.o. seeks a Backend Developer to design, build, and maintain robust backend services and APIs powering client portal applications. You will work with Java or .NET, design data models, and ensure scalable, secure software.

You will collaborate with front-end teams, deploy in Docker/Kubernetes/OpenShift environments, and contribute to CI/CD and testing practices in an Agile setting.