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Software Engineer III

RFA Engineering

Job Location:

Fort Worth, TX - USA

Yearly Salary: USD 80000 - 100000

Posted: 29 September 2026 (21 hours ago)

Application Deadline: 27 December 2026

Vacancies: 1 Vacancy

Job Summary

RFA Engineering() is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise. We are seeking an Entry-Mid Level candidate to become an integral part of our engineering team. The selected candidate will work with an experienced engineering staff using state-of-the-art engineering tools & processes. This position will operate onsite at our customers world-class engineering and manufacturing facility.

This is a full-time position with afull benefit packagelisted below that includesopportunitiesfor professional growth direct hire by our customers and additional opportunities within our own organization.

Software Engineer III

The Software Engineer will focus on the development of advanced positioning localization and state estimation software that supports autonomous and semi-autonomous machine applications. The engineer will design develop test and validate production-quality software that combines inertial sensors GNSS perception systems and filtering algorithms to accurately determine vehicle position and orientation in complex operating environments.

Responsibilities

Develop and maintain production-quality C software for localization positioning and navigation systems.
Design and implement state estimation algorithms utilizing GNSS inertial sensors perception systems and filtering techniques.
Research prototype and deploy localization solutions for autonomous and semi-autonomous machine applications.
Participate in software design architecture documentation validation testing and product quality activities.
Support functional safety design and software validation processes.
Collaborate with cross-functional teams to advance localization technology and mentor less experienced engineers.

Requirements

Bachelors degree in Engineering Computer Engineering Computer Science Software Engineering Robotics Mechatronics or a related technical field.
5 years of software development experience.
Strong expertise in C and proficiency in Python.
Experience with State Estimation and Inertial Measurement Technology.
Strong debugging troubleshooting and software lifecycle knowledge.
Ability to identify analyze and resolve complex software challenges.

Desired Attributes

Robotics or autonomous systems development experience.
Experience with Kalman Filters Extended Kalman Filters (EKF) and Error State Filters.
Knowledge of SLAM localization frameworks and graph optimization techniques.
Experience with ROS (Robot Operating System).
Strong mathematical foundation in linear algebra 3D geometry statistical modeling and navigation systems.
Understanding of vehicle dynamics physics-based modeling and coordinate transformations.

Visa sponsorship is NOT available for this position.

Pay Range: $80000 - $100000 Commensurate with experience

About RFA Engineering

RFA Engineering has provided product development and engineering services to industry leading customers since 1943. Our primary focus is the development of off highway equipment including agricultural construction mining recreational industrial and special machines. Our work includes concept development product design documentation problem-solving simulation optimization and testing of components systems and complete machines. Our engineering staff is located at our Engineering Center in Minneapolis branch office in Dubuque IA and at numerous customer sites throughout the U.S.

Competitive Benefits