Software Dev Eng III

About 1FINITY
1Finity, 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.

We are seeking a Software Engineer to join our Software Development team in Richardson, TX. In this role, you will help design, implement, and enhance 1Finity's next-generation fiber optical communication systems used in carrier-grade networking environments.

The ideal candidate has strong experience and knowledge in embedded software, Optical transport systems (ROADM and Transponder), model-driven management interfaces, and hardware-aware software development. You will work across multiple phases of the software lifecycle, including requirements analysis, design, implementation, unit testing, system integration, and issue resolution.

• Design, develop, and integrate software components across the full system stack, from hardware abstraction layers to middleware, control plane, management plane, and application software
• Develop software for carrier-grade optical networking platforms, including chassis-based high-capacity systems deployed in edge, metro, and core network environments
• Architect and implement data flow solutions for optical networking systems, including interaction across control plane, management plane, hardware abstraction, and application layers
• Participate in requirements analysis, design, development, and maintenance of software components for network element management systems
• Develop and maintain model-driven network software using YANG, ConfD, NETCONF, RESTCONF, and SNMP
• Design and implement distributed messaging and data exchange mechanisms using DDS pub/sub patterns, Protocol Buffers, or similar serialization technologies
• Work with embedded Linux-based systems in a multi-component telecom software environment, using C/C++, Python, and scripting languages
• Support platform bring-up, system integration, evaluation testing, and field issue resolution
• Lead root-cause analysis and investigate, track, and resolve complex integration issues across multiple software and hardware components during system test, evaluation, and field deployments with strong debugging capabilities
• Collaborate closely with hardware, platform, system test, architecture, and product teams to resolve technical issues
• Actively utilize AI-assisted development tools to improve debugging, code analysis, unit test generation, and development efficiency
• Contribute to software quality, maintainability, automation, and continuous improvement initiatives

• Bachelor's degree or higher in Computer Science, Computer Engineering, Electrical Engineering, or a related technical field; equivalent practical experience may be considered
• Minimum of 5 years of embedded software development experience in telecom domain
• Strong programming experience in C/C++, Python or scripting languages
• Experience developing complex software features for embedded telecom transport systems
• Hands-on embedded software development experience in Linux or UNIX-based environments
• Strong debugging and root-cause analysis skills across complex, multi-component systems
• Strong understanding of network management protocols, including at least some of the following: NETCONF, RESTCONF, SNMP, CLI-based management interfaces
• Hands-on experience with YANG models and model-driven software development
• Experience with software integration, unit testing, and CI/CD practices
• Familiarity with Git, JIRA, Agile/Scrum, and modern software development workflows
• Strong verbal and written communication skills
• Ability to collaborate effectively across software, hardware, system test, and architecture teams

• Experience with optical transport systems, ROADM and Transponder
• Experience with ConfD or similar network management framework
• Experience developing software for chassis-based high-capacity networking systems
• Experience with DDS, pub/sub messaging, Protocol Buffers, or similar distributed data technologies
• Proficiency with data formats: JSON, YAML, XML
• Experience with build systems such as CMake, autotools, Make, or similar
• Familiarity with static analysis and quality tools such as cppcheck, cpplint, SonarQube, gcov, valgrind, or equivalent
• Knowledge of secure coding guidelines and practices for C/C++ and other languages
• Experience with containers, microservices, or cloud-native development concepts
• Experience using AI-assisted software development tools for debugging, code review, test generation, or automation

• Strong technical, analytical, modeling, and programming skills
• System-level thinker with the ability to understand interactions across hardware, OS, middleware, and application layers
• Strong ownership mindset and ability to drive issues from investigation to resolution
• Ability to work effectively in a team environment and collaborate on complex software requirements
• Clear communicator who can explain technical issues, tradeoffs, and design decisions
• Motivated, goal-oriented, and adaptable
• Flexible and open to change
• Open to innovation, automation, and AI-assisted development practices
• Able to mentor others and share practical engineering knowledge across teams
• Cross-functional collaboration and technical leadership abilities

1Finity salaries are aligned to the specific geographic location in which the work is primarily performed. ​ It is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the circumstances of each situation. The pay range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to: specific skills, qualifications, experience, and comparison to other employees already in this role. The pay range for this position is estimated at $118,860 to $190,176 USD. Additionally, this role may be eligible for a short-term incentive based on company results and individual performance.

As a technology company, 1Finity recognizes that human resources are its most important capital. To create an environment where all employees can work positively and healthily, both in mind and body, we offer a full range of health, 401K, and other benefits.​

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At 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. California Privacy Act: https://www.fujitsu.com/us/Images/CALIFORNIA-CONSUMER-PRIVACY-ACT-NOTICE.pdf