Software Developer Engineer IV

Fujitsu; Dallas (TX); On-site; USD 165,529 - 236,470; Full time

Benefits offered by this job

Health benefits

401K

Job summary

1Finity is seeking a lead software engineer for SDN applications, focusing on Java/Scala and SDN controller development. The candidate will transform complex requirements into scalable architecture and data models for SDN controller functionality.

Ideal candidates have deep experience with OpenDaylight, REST APIs, and distributed systems, and will lead end-to-end feature development across Layer 0–2 technologies in a fast-paced environment.

Qualifications

• 12+ years in Transport Network management product development (DWDM/OTN/Packet).
• Expertise in Core Java and Scala with strong OOAD and UML skills.
• Hands‑on with OpenDaylight SDN controller and REST APIs.
• Experience with Netconf/TL1, Yang/JSON/XML modelling, and DBs like Oracle/MySQL/Cassandra.

Responsibilities

• Lead SDN applications in SDN Topology and Southbound functions.
• Oversee Layer0/Layer1/Layer2 SDN modules in the controller-based NMS.
• Participate in requirements, design, development and maintenance of SDN components.
• Contribute to ITU-T/ONF/MTNM domain modelling and vendor interoperability.
• Ensure end‑to‑end feature delivery and maintain quality.
• Monitor progress and evaluate external SW vendors for the platform.
• Drive architecture decisions and technically lead the team.
• Investigate issues during System Test and provide resolutions.
• Engage in Open ROADM forums and complex service modeling challenges.

Tools

OpenDaylight

Kubernetes

Docker

Junit

Jenkins

Postman

ElasticSearch

Kafka

Job description

Job Location: Richardson, Texas; Dallas, Texas; Austin, Texas; Houston, Texas; San Antonio, Texas. Multiple locations in country.

Position

SDN applications Principal Engineer/Senior Engineer

Job Summary

Virtuora Network Controller (VNC) is a modular suite of software products that enable virtualized, programmable networks using micro‑services architecture and open source technologies. We are looking for an experienced lead software engineer who is an expert in Java/Scala and can transform complex requirements into extendable software architecture, design, and data models for SDN controller functionality.

Responsibilities

• Lead the SDN applications software functions in SDN Topology and Southbound application functions.
• Lead Layer 0 (DWDM), Layer 1 (OTN) and Layer 2 (Packet) SDN application functions on a SDN controller based Network Management System.
• Participate in requirement analysis, design, development and maintenance of multiple software components of SDN controller to meet customer requirements using innovative technologies.
• Participate in the Open ROADM Multi-Source Agreement forum technical discussions and solve complex service modelling and vendor interoperability challenges.
• Participate in Telecommunication/Data Communication domain modelling using standards like ITU‑T, ONF, MTNM.
• Accountable for as‑planned execution and quality of the applications developed.
• Issue investigation, status, and resolution during System Test.
• Interface with, monitor progress and evaluate performance of external SW vendors that provide SW for the Platform.
• Drive features end‑to‑end, technically lead the team and handle multiple tasks simultaneously.

Qualifications

• Minimum 12 years of experience in product development of Transport Network management solutions – Layer 0 (DWDM), Layer 1 (OTN) and Layer 2 (Packet) technologies.
• Expertise in Core Java, Scala, threads, collections and data structures.
• Expertise in OOAD, design patterns, UML modelling.
• Hands‑on experience with Open Daylight (ODL) and SDN controller development.
• Hands‑on experience with various communication protocols such as Netconf, TL1 and modelling tools such as Yang, Json, XML.
• Good knowledge of databases Oracle/MySQL/Cassandra.
• Experience in at least 2–3 full‑cycle development of Network Management System products.
• Exposure to Kubernetes, Docker, HDFS, ElasticSearch, Kafka, Spark and distributed big‑data systems.
• Expertise in designing and developing REST APIs.
• Exposure to messaging frameworks like Kafka and Java related frameworks like OSGI, Spring, Blueprint.
• Experience in unit test, continuous integration (CI/CD) frameworks such as Junit, Jenkins, Postman.
• Familiarity with Git, Gerrit, JIRA, Agile/Scrum development methodologies.
• Demonstrated technical leadership ability, leading end‑to‑end feature development.

Nice to Have

• Exposure to graph data structures/database, path computation algorithm implementation like Dijkstra, Yen.

Salary & Benefits

Pay range: $165,529 to $236,470 USD. May be eligible for short‑term incentive based on company results and individual performance. Offers full range health benefits, 401K and other benefits. Relocation supported: No. Visa sponsorship approved: No.

EEO Statement

At 1Finity, one of our corporate principles is "We respect human rights". We are 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. California Privacy Act: https://www.fujitsu.com/us/Images/CALIFORNIA-CONSUMER-PRIVACY-ACT-NOTICE.pdf