{"id":2122576,"url":"https://alion.io/job/fujitsu-software-developer-engineer-iv","title":"Software Developer Engineer IV","company":{"id":896,"name":"Fujitsu","domain":"fujitsu.com","url":"https://alion.io/company/fujitsu-poland-sp-z-o-o","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":154669,"max":220955,"currency":"USD","period":"year","gross":null,"usd_annual":220955},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Apache Kafka","optional":false},{"name":"Cassandra","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"ElasticSearch","optional":false},{"name":"Gerrit","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"MySQL","optional":false},{"name":"Oracle","optional":false},{"name":"Rest API","optional":false},{"name":"Scala","optional":false},{"name":"Scrum","optional":false},{"name":"UML","optional":false}],"status":"live","first_seen_at":"2026-10-09T00:04:58Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-11T19:42:35Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"About 1FINITY\n1Finity, a Fujitsu company, is a global provider of communications networks for our connected world. We uniquely combine technological leadership and expertise in open optical and wireless networking, network automation, and applied AI/ML to design, build, operate, and maintain critical digital communications network infrastructure. Collaborating closely with ecosystem partners, we deliver transformative outcomes for service providers and network operators, and enable them to lower TCO, improve network performance, and increase energy efficiency. We’re also a diverse, inclusive, and innovative workplace that achieves together. We offer highly competitive compensation, benefits, and career development opportunities, as well as flexible options for working your way. See what working at 1Finity looks like at https://www.linkedin.com/company/1finity-inc/. For more information, please visit https://1finity.com/?utm_source=li&utm_medium=soc.\nPosition:SDN applications Principal Engineer/Senior Engineer\nJOB DESCRIPTION\nWhat will you do at Fujitsu?\nVirtuora Network Controller (VNC) is the platform for a comprehensive, adaptable, highly modular suite of software products that enable you to build and grow a virtualized, programmable network. VNC software utilizes micro services architecture and leverages open source technologies to provide complete suite of SDN controller functionality, i.e. control, planning and design, operations and management, service fulfillment and assurance functions. We are looking for an experienced lead software engineer who is an expert in Java/Scala as well as possess the skills to transform complex requirements in to extendable software architecture/design and data model.\nResponsibilities:\nLead the SDN applications software functions in SDN Topology and Southbound application functions.\nLead Layer 0 (DWDM), Layer 1 (OTN) and Layer 2 (Packet) SDN application functions on a SDN controller based Network Management System.\nParticipate in requirement analysis, design, development and maintenance of multiple software components of SDN controller to meet customer requirements using innovative technologies.\nParticipate in the Open ROADM Multi-Source Agreement forum technical discussions and solve complex service modelling and vendor interoperability challenges.\nParticipate in Telecommunication/Data Communication domain modelling using standards like ITU-T, ONF, MTNM\nAccountable for as-planned execution and quality of the applications developed.\nIssue investigation, status, and resolution during System Test.\nInterface with, monitor progress and evaluate performance of external SW vendors that provide SW for the Platform.\nCandidates for this job should have very strong technical, analytical, modelling, programming skills and be capable of driving features end-to-end, technically lead the team and handle multiple tasks simultaneously.\nQualifications:\nMinimum of 12 years of Experience in product development of Transport Network management solution - Layer 0 (DWDM), Layer 1 (OTN) and Layer 2 (Packet) technologies\nExpertise in Core Java, Scala, Threads, Collections and Data structures\nExpertise in OOAD, Design patterns, UML modelling\nHands-on experience with Open Daylight (ODL) and SDN controller development\nHands-on experience of various communication protocols such as Netconf, TL1 and modelling tools such as Yang, Json, XML\nGood knowledge with databases Oracle/MySQL/Cassandra\nExperience in at least 2-3 full cycle development of Network Management Systems products\nExposure to Kubernetes, Docker, HDFS, ElasticSearch, Kafka, Spark and distributed big-data systems\nExpertise in designing and developing REST APIs\nExposure to messaging frameworks like Kafka and Java related frameworks like OSGI, Spring, Blueprint\nExperience in unit test, continuous integration (CI/CD) frameworks such as Junit, Jenkins, postman\nFamiliarity with Git, Gerrit, JIRA, Familiar with Agile/Scrum development methodologies.\nHave demonstrated good technical leadership ability, lead end-to-end feature development \nNice to Have:\nExposure to graph data structures/database, path computation algorithm implementation like dijkstra, yen\nAs of the date of this posting, a good faith estimate of the current pay scale for this position is:\n$154,669.00 - $220,955.00\nPlacement in the range depends on several factors such as experience and skills and may change over time. Additionally, this role may be eligible for an annual bonus, which is based on individual\nWe comply with all applicable minimum wage laws.\nBenefits available include:\n\nMedical, vision, and dental insurance,\n\nLife insurance,\n\nShort-term and long-term disability insurance,\n\n401k\n\nPaid Time Off\n\nAny leave required under federal, state, or local law, as applicable, such as leave under the Colorado Healthy Families and Workplaces Act.\nBenefits are subject to vesting and eligibility requirements.\nApplications are being accepted on an ongoing basis.\nWhile our experienced team is responsible for selecting and interviewing candidates, 1Finity may use Artificial Intelligence (AI) tools to support the shortlisting, screening, or preliminary evaluation of applications.\nAt 1Finity, one of our corporate principles is \"We respect human rights”. This commitment guides the actions of every1Finity Group member and is fundamental to how we operate, both as individuals and as a company. We are proud to be an equal opportunity employer that values diversity and inclusion. Qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. By empowering people, we can unleash our collective strengths to create a better experience for our employees, our customers, and our partners. 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