{"id":2116940,"url":"https://alion.io/job/adtran-networks-software-engineer-java","title":"Software Engineer (Java)","company":{"id":2470172,"name":"Adtran Networks","domain":"adtran-networks.com","url":"https://alion.io/company/adtran-networks","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Gdynia, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":14000,"max":17000,"currency":"PLN","period":"month","gross":null,"usd_annual":52188},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"JUnit","optional":false},{"name":"Linux","optional":false},{"name":"Microsoft Office","optional":false},{"name":"Rest API","optional":false},{"name":"Windows","optional":false},{"name":"Bash","optional":true},{"name":"Python","optional":true},{"name":"TCP/IP","optional":true}],"status":"live","first_seen_at":"2026-10-07T08:05:06Z","employer_posted_date":null,"last_verified_at":"2026-10-07T08:05:06Z","board_verified":false,"closed_at":null,"days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"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.\n\nKey Responsibilities\nDesign, develop, test, and maintain Java applications and services.\n\nParticipate in all phases of the software development lifecycle: requirements, design, implementation, testing, deployment, and maintenance.\n\nTroubleshoot and resolve software defects.\n\nDevelop and execute unit and integration tests.\n\nPerform code reviews and improve software quality.\n\nCollaborate with architects, product owners, and engineering teams.\n\nUse AI-assisted development tools for coding, testing, debugging, and documentation.\n\nRequired Qualifications \n3+ years of professional software development experience.\n\nStrong Java knowledge (11/17/21).\n\nUnderstanding of object-oriented design, design patterns, and software architecture.\n\nExperience with REST APIs, distributed applications, Git, and JUnit.\n\nFamiliarity with Docker, CI/CD practices, and software quality processes.\n\nComfortable working in a Windows-based corporate environment using Microsoft Office and Teams.\n\nGood written and spoken English.\n\nBachelor’s or Master’s degree in Computer Science, Telecommunications, Electronics, or a related field.\n\nPreferred Qualifications\nKnowledge of microservices and cloud-native technologies.\n\nUnderstanding TCP/IP networking, client-server applications, and network management technologies.\n\nExperience with message brokers and event-driven architectures.\n\nKnowledge of Python or Bash scripting.\n\nNice to Have\nExperience in telecommunications, networking, or transport networks.\n\nFamiliarity with YANG, NETCONF, RESTCONF, TAPI, and service orchestration solutions.\n\nUnderstanding of optical networking technologies and standards (e.g., DWDM, G.709/OTN).\n\nExperience in international research or standardization projects.\n\nCompensation and Benefits \nStable employment conditions based on an employment contract (turnover rate below 4%)\n\n1 additional vacation day for all, and 1 extra after 10 years with us \n\nFlexible working hours and hybrid work (presence in the office in Gdynia 3 days a week) \n\nEnglish lessons during working hours \n\nInternal training program to support your training needs \n\nPaid employee referral program \n\nMultisport Card \n\n3% employer contribution to PPK \n\nPrivate Health Care at Medicover (extended package for employees and possibility to enroll family members) \n\nStrong team-oriented and friendly work culture \n\nAccess to various sports activities and events \n\nModern office (well-equipped gym and playroom) close to the SKM/PKM stations\n\nTech stack\nAnalytical Thinking\nDocker\nCI/CD\nREST 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