Java Application Developer

TD SYNNEX; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Annual salary reviews

Career progression

Remote or Hybrid work (3 days in the/3

Job summary

TD SYNNEX in Warszawa is seeking a Java Application Developer to design, build, and maintain scalable web applications using Java and Spring Boot, working across backend services and frontend components.

You will develop RESTful APIs, integrate React-based frontend with backend services, and ensure performance, security, and maintainability within a microservices, agile team.

Qualifications

• 3-5 years of experience in Java development
• Hands-on with Spring Boot and REST APIs
• Experience with React.js frontend integration
• Solid understanding of microservices architecture
• Proficiency in SQL/NoSQL databases and ORM (Hibernate/JPA)
• Experience with Git and modern build tools (Maven/Gradle)
• Familiarity with CI/CD pipelines and Docker/Kubernetes (Nice to have)

Responsibilities

• Design, develop, and maintain scalable backend services using Spring Boot
• Build responsive UI components with React
• Collaborate with product managers, designers, and other developers
• Write clean, maintainable, well-tested code
• Troubleshoot, debug, and optimize performance
• Participate in code reviews and technical discussions

Skills

Team collaboration

Problem solving

Analytical thinking

Communication

Tools

Java

Spring Boot

React.js

HTML/CSS/JS

SQL/NoSQL

Hibernate/JPA

Git

Maven/Gradle

CI/CD

Docker

Kubernetes

Job description

Why Choose TD SYNNEX

As a Fortune 500 global technology distributor operating in over 100 countries, TD SYNNEX connects the world's leading technology vendors with thousands of partners and customers. With over 22,000 employees globally, we support large-scale digital platforms that are critical to daily business operations.

About the Role

As a Java Application Developer , you will design, build, and maintain scalable web applications using Java and Spring Boot , working across both backend services and frontend components. You will collaborate closely with product managers, designers, and other engineers to deliver reliable, high-quality solutions that support business needs.

The role involves developing RESTful APIs , integrating frontend applications built with React , and ensuring performance, security, and maintainability across the application stack. You will contribute to code reviews, troubleshoot production issues, and continuously improve existing systems.

This position is suited for a developer who is comfortable working in a microservices environment , values clean code and best practices, and enjoys collaborating within an agile, cross-functional team.

What You'll Do

• Design, develop, and maintain scalable backend services using Spring Boot

• Build responsive and user-friendly UI components using React

• Collaborate with product managers, designers, and other developers

• Write clean, maintainable, and well-tested code

• Troubleshoot, debug, and optimize application performance

• Participate in code reviews and technical discussions

What We're Looking For

• 3-5 years’ experience in Java (Java version 8+)

• Hands-on experience with Spring Boot (REST APIs, Spring MVC, Spring Security)

• Solid understanding of microservices architecture

• Experience with React.js (functional components, hooks, state management)

• Proficiency in HTML, CSS, JavaScript (ES6+)

• Experience integrating frontend React apps with backend APIs

• Knowledge of RESTful web services and JSON

• Experience with SQL / NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.)

• Familiarity with ORM frameworks like Hibernate/JPA

• Experience with Git and version control workflows

• Understanding of CI/CD pipelines and build tools (Maven/Gradle)

Nice to Have

• Experience with Docker and Kubernetes

• Knowledge of AWS / Azure / GCP

• Familiarity with Redux , Context API , or other state management tools

• Experience with unit testing (JUnit, Mockito, Jest)

• Knowledge of Agile/Scrum development practices

What We Offer:

We provide competitive compensation with annual salary reviews.

We value continuous learning and provide a clear progression plan.

Remore or Hybrid work (3 days at the office per week)

We provide comprehensive benefits including, paid leave, retirement plans, and more.

At TD SYNNEX, our values guide everything we do: Together, We Own It, We Dare to Go, We Grow and Win, and above all, We Do the Right Thing. These principles shape how we work with each other, our partners, and our communities as we drive innovation and create lasting impact.

What's In It For You?

• Elective Benefits: Our programs are tailored to your country to best accommodate your lifestyle.
• Grow Your Career: Accelerate your path to success (and keep up with the future) with formal programs on leadership and professional development, and many more on-demand courses.
• Elevate Your Personal Well-Being: Boost your financial, physical, and mental well-being through seminars, events, and our global Life Empowerment Assistance Program.
• Diversity, Equity & Inclusion: Its not just a phrase to us; valuing every voice is how we succeed. Join us in celebrating our global diversity through inclusive education, meaningful peer-to-peer conversations, and equitable growth and development opportunities.
• Make the Most of our Global Organization : Network with other new co-workers within your first 30 days through our onboarding program.
• Connect with Your Community: Participate in internal, peer-led inclusive communities and activities, including business resource groups, local volunteering events, and more environmental and social initiatives.