Java Developer with analytical skills

HAYS POLAND Sp. z o.o.

Data publikacji: 29.04.2026 Oferta wygasa: 28.07.2026

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Java Developer with analytical skills

lokalizacja: Warszawa (mazowieckie)

numer referencyjny: 1199418/praktykipl

Hays IT Contracting is a cooperation based on B2B rules. We connect IT specialists with the most interesting, technological projects on the market.
Join the group of 500 satisfied Contractors working for Hays’ clients!

For our Client we are currently looking for Candidates for the position of:


Senior Java Developer with analytical skills

Location: Warsaw - 4 days from office
Job type: B2B (with Hays Poland)
Length: long-term cooperation
Rate: 150-180PLN/h net on B2B
Start date: ASAP
Working hours: business hours
Methodology: Scrum


Requirements:
  • Fully available in the Polish time zone;
    • Ability to work from the office in Warsaw (weekly: 4 days at office + 1 day WFH );
    • Very good knowledge of Java 8+ and object-oriented programming issues;
    • Experience in independent design, implementation, documentation and testing of application components;
    • Very good and practical knowledge of Spring, Spring Boot, Hibernate/JPA and JEE frameworks;
    • Practical knowledge with message queue systems, particularly RabbitMQ;
    • Practical knowledge of tools supporting the software development process: Maven, Git, Gitlab, Gitlab CI/CD, Jenkins, Nexus, Jira;
    • Knowledge of relational databases, in particular Oracle;
    • Practical knowledge of RESTful API design;
    • Experience in system integration;
    • Experience with distributed systems;
    • Experience with application servers, JBoss/WildFly;
  • Knowledge of scanning tools (Fortify, Sonatype..)

Key Responsibilities
  • Design and implementation of IT solutions based on the presented analytical and technical documentation;
  • Reviewing analytical documentation;
  • Creating technical documentation;
  • Technical upgrade for existing system;
  • Working with legacy code
  • Reverse engineering based on:
    • existing source code
    • existing functional and technical documentation 
    • collected and documented business processes,
    • user interface to the system and accessing databases
Defining and building test cases for automatic tests

What will the recruitment process look like:
  1. Your CV will be verified by Hays Recruiter
  2. Recruiter will contact you by phone - a 15-minute conversation about the project and your experience
  3. Technical conversation with the client - online meeting (1h+1h)
  4. Offer
  5. Welcome to the project!

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.

hays.pl

Hays Poland sp. z o.o. jest agencją zatrudnienia nr 361

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