Full Stack Developer (React + Java/Scala)

JavaScript

centrum, Kraków

Antal Sp. z o.o.

170 - 220PLN

Net per hour - B2B

Full-time

B2B

Senior

Hybrid

Tech stack

TypeScript

advanced

React

advanced

JavaScript

advanced

Java

regular

Scala

regular

Job description

We're Hiring: Full Stack Developer (React + Node.js) 📍 Location: Kraków – hybrid model (6x/month onsite)📅 Start date: ASAP🧩 Contract type: B2B

We are looking for a skilled Full Stack Developer to join an international team in the financial services industry. The ideal candidate will be passionate about building modern, scalable web applications, with a strong focus on React.js, data visualisation, and solid experience in object-oriented programming.

You’ll be working on a large-scale analytical and reporting platform, contributing to both frontend and backend development, with a modern tech stack and supportive environment.

What you’ll do:

• Build responsive, dynamic web UIs using React.js, TypeScript, Redux, and modern frameworks (e.g., Next.js).

• Contribute to backend development (preferably Node.js or Java/Scala).

• Visualise complex data sets and build interactive dashboards.

• Work with APIs, microservices, and cloud-native technologies.

• Collaborate with cross-functional teams using Agile methodologies.

• Maintain clean, scalable, and well-tested code.

• Promote coding best practices and participate in code reviews.

What we’re looking for:

• 5+ years of commercial experience in full stack development.

• Strong knowledge of JavaScript/TypeScript, React.js, HTML/CSS.

• Practical experience with data visualisation libraries (e.g., D3.js, Highcharts, etc.).

• Familiarity with backend technologies – Node.js, Java or Scala.

• Good understanding of OOP principles and design patterns.

• Experience with CI/CD, unit testing, and code versioning tools (Git).

• Knowledge of databases (e.g., PostgreSQL, MongoDB, Redis) and messaging systems (Kafka, etc.) is a plus.

• Strong problem-solving skills and ability to work independently.

• Experience in Agile/Scrum environments.

Nice to have:

• Experience in highly regulated industries (finance, healthcare).

• Familiarity with container orchestration tools (e.g., Kubernetes).

• Background in DevOps or cloud platforms (AWS/GCP/Azure).

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Interested in hearing more? Apply now or reach out directly to discuss the details!

To learn more about Antal, please visit www.antal.pl

Published: 09.08.2025

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