Software Engineer (Java + Python)

  •  Reference Number: 30470
  •  Job Published: 12 November 2026
  •  Form of employment: Contract
  •  Apply by: 30 December 2026

Job Description

Location: Warsaw (Hybrid)
Start Date: ASAP / Within 1 Month / Flexible
Contract Type: B2B
Remote Ratio: 40%

Key Responsibilities

  • Design, develop, and optimize Java-based interfaces for ingesting trading and market data.
  • Build and maintain system integration scripts for seamless platform interoperability.
  • Manage and enhance CI/CD pipelines to support automated build, test, and deployment.
  • Extend automated testing frameworks to ensure software reliability and performance.
  • Develop and improve Ansible roles for standardized deployment and configuration.
  • Collaborate in a DevOps-oriented culture using agile methodologies (SCRUM, SAFe).

Required Skills and Experience
  • 5+ years of experience in Java development (Java 17+, Maven, JUnit5).
  • 1+ years of experience in Python and Ansible.
  • Strong DevOps mindset with experience in GitLab CI/CD, SAST/DAST, and quality gates.
  • Proficiency in Linux command-line environments.
  • Familiarity with Docker, OpenShift, PostgreSQL; C++ exposure is a plus.
  • Experience with real-time data technologies (FIX protocol, Kafka) is highly desirable.

What We Offer

  • B2B contract via Experis
  • Medicover healthcare package
  • Multisport card
  • Group life insurance

Company Description

Experis to światowy lider rekrutacji specjalistów i kadry zarządzającej w kluczowych obszarach IT. Z nami znajdziesz konkurencyjne oferty zatrudnienia oraz ciekawe projekty IT skierowane zarówno do ekspertów z wieloletnim doświadczeniem, jak i osób, które dopiero zaczynają swoją przygodę w branży IT.

We offer recruitment of managers and highly qualified consultants with expertise in IT.Experis is part of ManpowerGroup and has been named one of the world's most ethical companies.
Warszawa, Mazowieckie
The employment agency - Certificate No. 412