Java Backend Developer

AT&T

Katowice, Poland

Job Overview

We are hiring a Java engineer with a background in cross-platform software engineering and experience with delivering projects. This opportunity will support the transformation of our industry standard order and delivery management systems. You will work on new and existing features, enhancements, and defect resolution on one or more of AT&T’s software systems and platforms. The position requires close collaboration with U.S based Product Management, Business Systems, and Operations teams throughout system development life cycles.

You will have experience in all aspects of the software development lifecycle and are expected to have good teamwork, communication, and problem-solving skills. You will need a deep understanding of software methodologies and the ability to balance technical expertise and acumen. Ideally you have experience with ServiceNow solutions or alternatively you have strong knowledge of JavaScript and are open-minded and passionate about solving problems.

Core Responsibilities

Design, implement, and trouble-shoot scalable and reusable software systems: 3-tier and cloud-based systems;
Actively support configuration management of code and software;
Support detailed documentation of systems and features;
Actively participate in coding exercises and peer code reviews as part of the development life cycles and change management;
Actively participate in daily stand-up meetings.

Skills, Knowledge, and Experience

Ideally 3-5+ years of Java and Python development experience;
Experience with Java SE/EE;
Familiarity with Spring Framework (Spring Boot, Spring MVC);
Familiarity with Django and/or FastAPI;
Knowledge of ORM tools (Hibernate);
Experience with build tools and CI/CD pipelines;
Proficiency with SQL and/or NoSQL databases;
Knowledge of Agile/Scrum methodologies;
3-5+ years of experience in the following:
- Software architecture;
- Web API experience and architectural styles (e.g., REST);
- Code reviews and analyzers;
- Network protocol and tools experience (e.g., TCP/IP, HTTP(S), IPv4, etc.);
- Test automation development (e.g., JUnit, Selenium, PyTest or Unittest);
- Configuration management experience (e.g., GitHub, Jenkins, etc.).