Senior Fullstack Developer

Solid Company; Kraków; Hybrid; PLN 180,000 - 280,000; Full time

Job summary

Solid Company is seeking an experienced Senior Fullstack Developer to join a global technology team responsible for cloud-native web applications and services. You will work across the full software development lifecycle using Java, Spring Boot, React, and Azure.

You will design, build, deploy, and continuously improve scalable applications, collaborating with international teams to deliver reliable software and robust CI/CD pipelines. Excellent English communication is essential.

Qualifications

• 8+ years of software development with full SDLC experience.
• Hands-on Java and Spring Boot proficiency.
• Experience with React, JavaScript, HTML and CSS.
• Solid Azure knowledge including core services and DevOps tools.
• SQL, JPA and relational databases (PostgreSQL or Azure SQL).
• Microservices and Docker containerization experience.
• Strong system design, testing, and troubleshooting skills.
• Excellent English communication in an international team.

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 using Azure, microservices, and containers.
• Deploy, monitor, troubleshoot, and improve applications.
• Implement and optimize CI/CD pipelines and release processes.
• Follow clean code principles and build reusable components.
• Collaborate with global teams on system design and improvements.

Skills

8+ years exp

Java

Spring Boot

React

JavaScript

HTML

CSS

Azure

SQL/JPA

Docker

System design

Analytical skills

Communication

English

Education

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

Tools

Azure DevOps

Job description

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.

Kogo poszukujemy?

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.
• Practical experience with React, JavaScript, HTML, and CSS.
• 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.