Software Engineer (Java)
Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Aug 3, 2026. Adtran scores B on the Alion truth index.
Welcome!
Our Growth is Creating Great Opportunities!
Our team is expanding, and we want to hire the most talented people we can.Continued success depends on it!Once you've had a chance to explore our current open positions, apply to the ones you feel suit you best and keep track of both your progress in the selection process, and new postings that might interest you!
Thanks for your interest in working on our team!
Join our R&D team developing software solutions for telecommunications and optical networking systems. You will work across the full software development lifecycle, building Java applications on Linux platforms and contributing to network management, data transport, and optical networking solutions.
Key Responsibilities
Design, develop, test, and maintain Java applications and services.
Participate in all phases of the software development lifecycle: requirements, design, implementation, testing, deployment, and maintenance.
Troubleshoot and resolve software defects.
Develop and execute unit and integration tests.
Perform code reviews and improve software quality.
Collaborate with architects, product owners, and engineering teams.
Use AI-assisted development tools for coding, testing, debugging, and documentation.
Required Qualifications
3+ years of professional software development experience.
Strong Java knowledge (11/17/21).
Understanding of object-oriented design, design patterns, and software architecture.
Experience with REST APIs, distributed applications, Git, and JUnit.
Familiarity with Docker, CI/CD practices, and software quality processes.
Comfortable working in a Windows-based corporate environment using Microsoft Office and Teams.
Good written and spoken English.
Bachelor’s or Master’s degree in Computer Science, Telecommunications, Electronics, or a related field.
Preferred Qualifications
Knowledge of microservices and cloud-native technologies.
Understanding TCP/IP networking, client-server applications, and network management technologies.
Experience with message brokers and event-driven architectures.
Knowledge of Python or Bash scripting.
Nice to Have
Experience in telecommunications, networking, or transport networks.
Familiarity with YANG, NETCONF, RESTCONF, TAPI, and service orchestration solutions.
Understanding of optical networking technologies and standards (e.g., DWDM, G.709/OTN).
Experience in international research or standardization projects.
Compensation and Benefits
Stable employment conditions based on an employment contract (turnover rate below 4%)
1 additional vacation day for all, and 1 extra after 10 years with us
Flexible working hours and hybrid work (presence in the office in Gdynia 3 days a week)
English lessons during working hours
Internal training program to support your training needs
Paid employee referral program
Multisport Card
3% employer contribution to PPK
Private Health Care at Medicover (extended package for employees and possibility to enroll family members)
Strong team-oriented and friendly work culture
Access to various sports activities and events
Modern office (well-equipped gym and playroom) close to the SKM/PKM stations