Java Developer

100 - 130 PLNNet per hour - B2B

Java Developer

Java
100 - 130 PLN
Net per hour - B2B
Full-time
B2B
Mid
Hybrid

Tech stack

    Polish

    B2

    English

    B2

    Java

    regular

    Spring Boot

    regular

    Microservices

    regular

    REST

    regular

Job description

At Madiff, we connect top IT talent with cutting-edge companies through remote Agile teams and nearshore outsourcing. With operations in Poland, Portugal, France, and the UK, we specialize in AI, DevOps, and Cybersecurity – supporting industries like Telecom, Banking, and Hi-Tech.


Are you passionate about building scalable and high-performance platforms?

Do you want to shape the architecture of enterprise-grade systems while mentoring development teams?

We are looking for an experienced Java Developer to join our team and support a leading banking industry project.


Responsibilities:

  • Develop platform components supporting critical banking systems

  • Address scalability, performance, and high-availability challenges

  • Implement features such as authorisation, load balancing, auditing, and monitoring

  • Define standards and architectural guidelines for development teams

  • Enhance microservice templates and shared libraries

  • Provide technical support and mentoring to internal and international teams


What we are looking for:

  • 4+ years of experience as a Java Developer with scalable systems

  • Strong knowledge of Java and Spring Boot

  • Expertise in Microservices and REST architecture

  • Proficiency in SQL with optimisation techniques

  • Experience with non-relational databases (ElasticSearch, Redis)

  • Solid practices in unit testing and application security

  • Experience documenting REST APIs with Swagger/YAML

  • Proficiency in Apache Kafka (Java)


Nice to have:

  • Domain Driven Design (DDD) experience

  • Hands-on knowledge of Kubernetes and Docker

  • Understanding of protocols (HTTP, TLS, DNS) with troubleshooting skills (Wireshark, etc.)

  • Experience with Azure or AWS

  • Ability to design High-Level System Architectures with diagrams


What we offer:

  • Hybrid work model1 day per week in the client's office in Gdańsk

  • Comprehensive medical care

  • Long-term project with a banking undustry leader

  • Collaborative, Agile team environment


Published: 26.08.2025
Office location