Demo

Software Engineer III

RFA Engineering
RFA Engineering Salary
Fort Worth, TX Full Time
POSTED ON 9/2/2026
AVAILABLE BEFORE 11/1/2026

RFA Engineering (www.rfamec.com) 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 customer's world-class engineering and manufacturing facility.

This is a full-time position with a full benefit package listed below that includes opportunities for 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

  • Bachelor's 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: $80,000 - $100,000 – 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

  • Health and Dental Insurance
  • Health Savings Account
  • TelaDoc: Virtual Health Care
  • Vision Insurance
  • Company Paid / Supplemental Life Insurance
  • Company Paid Long-Term Disability
  • Supplemental Short-Term Disability
  • Retirement Savings Account (Traditional 401k & Roth 401k)
  • Flexible Spending Plan Dependent Care
  • Bonus Plan (Exempt Employees Only)
  • Paid Time Off (PTO)
  • Paid Holidays
  • Bereavement Leave
  • Employee Assistance Programs (EAP)
  • Education Assistance

Equal Opportunity and Veteran Friendly

Salary : $80,000 - $100,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Software Engineer III?

Sign up to receive alerts about other jobs on the Software Engineer III career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$123,167 - $152,295
Income Estimation: 
$146,673 - $180,130
Income Estimation: 
$123,167 - $152,295
Income Estimation: 
$146,673 - $180,130
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at RFA Engineering

  • RFA Engineering Dubuque, IA
  • RFA Engineering (www.rfamec.com) is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise. We a... more
  • 1 Day Ago

  • RFA Engineering Vermillion, SD
  • RFA Engineering ( www.rfamec.com ) is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise. We... more
  • 2 Days Ago

  • RFA Engineering Davenport, IA
  • RFA Engineering ( www.rfamec.com ) is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise. We... more
  • 2 Days Ago

  • RFA Engineering Dubuque, IA
  • RFA Engineering ( www.rfamec.com ) is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise. We... more
  • 3 Days Ago


Not the job you're looking for? Here are some other Software Engineer III jobs in the Fort Worth, TX area that may be a better fit.

  • Lynx Software Technologies Fort Worth, TX
  • Job Title: Senior SW Engineer - OMS Location : Fort Worth, TX or Palmdale, CA. Salary Range: $120,000 - $160,000 Bonus Eligible Active Secret Clearance Req... more
  • 2 Days Ago

  • Lynx Software Technologies, Inc. Fort Worth, TX
  • Job Title: Principal SW Engineer - OMS Location : Fort Worth, TX or Palmdale, CA. Compensation: $160,000 - $200,000 Bonus Eligible Security Clearance: Acti... more
  • 2 Months Ago

AI Assistant is available now!

Feel free to start your new journey!