Senior Fullstack Developer (17/37)

Infolet; Kraków; Hybrid; PLN 250,000 - 420,000; Full time

Job summary

Infolet in Kraków is seeking an experienced Senior Fullstack Developer to join a global tech team building cloud-native web applications and services. You will work across the full SDLC, leveraging Java, Spring Boot, React, and Azure to deliver scalable solutions.

The role requires strong English, hands-on expertise with microservices, containers, and CI/CD, and the ability to collaborate with international teams. This is a hybrid position with 2–3 days in the office.

Qualifications

• 8+ years of software development experience.
• Strong Java and Spring Boot expertise.
• Hands-on with React and Azure cloud services.
• Experience with microservices, containers, and CI/CD.

Responsibilities

• Design, develop, test, and maintain web apps with Java, Spring Boot, and React.
• Translate business requirements into scalable software solutions.
• Build cloud-native apps on Azure using microservices and containers.
• Deploy, monitor, troubleshoot, and continuously improve applications and services.
• Implement and optimize CI/CD pipelines and release processes.
• Follow clean code principles and contribute to reusable, scalable solutions.

Skills

Java

Spring Boot

React

Azure

CI/CD

Education

Bachelor's or Master's degree in Computer Science or related field

Tools

Azure Functions

Azure App Service

AKS

Azure Service Bus

Docker

Kubernetes

Azure Monitor

Job description

Krakow – hybrid (2–3 days per week in the office)

Project

We are looking for an experienced Senior Fullstack Developer to join a global technology team responsible for developing, maintaining, and improving cloud-native web applications and services.

In this role, you will work across the full software development lifecycle, building scalable solutions using Java, Spring Boot, React, and Microsoft Azure. You will collaborate with international, cross-functional teams to deliver reliable, efficient, and maintainable applications.

You will

• Design, develop, test, and maintain web applications and services using Java, Spring Boot, and React.
• Analyze business and technical requirements and translate them into effective software solutions.
• Build and enhance cloud-native applications using Azure services, microservices, and containerization.
• Deploy, monitor, troubleshoot, and continuously improve applications and services.
• Implement and optimize CI/CD pipelines, release processes, and configuration management.
• Follow clean code principles and contribute to reusable, scalable, and maintainable solutions.
• Collaborate with global technology teams on system design, architecture, and technical improvements.

Must have

• 8+ years of experience in software development, with a strong understanding of the full SDLC.
• Strong hands-on experience with Java and Spring Boot.
• Solid knowledge of Microsoft Azure, including services and tools such as:
  • Azure App Service or AKS
  • Azure Functions
  • Azure Service Bus or Event Hubs
  • Azure Key Vault
  • Azure DevOps (CI/CD)
  • Azure Monitor / Application Insights
  • Microsoft Entra ID
• Experience with SQL, JPA, and relational databases (PostgreSQL or Azure SQL).
• Experience developing microservices and containerized applications using Docker.
• Good understanding of software architecture, system design, testing, and troubleshooting.
• Strong analytical, problem-solving, and communication skills.
• Ability to collaborate effectively in an international environment.
• Very good command of English.

Nice to have

• Bachelor's or master's degree in Computer Science or a related technical field.