Senior Back-End Software Engineer

RFA Engineering (www.rfamec.com) is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise. We are seeking a Senior Front End Software Engineer to become an integral part of our software engineering team. The selected candidate will work with an experienced, collaborative engineering staff using modern development tools and processes to deliver high‑quality, user‑focused software solutions. 

Senior Back-End Software Engineer

As a Senior Back-End Software Engineer, you will support the continued development of connected equipment and IoT software solutions. This role will focus on designing, developing, and enhancing scalable back-end systems that support complex web-based platforms and data-driven applications. The ideal candidate will be an experienced software engineer with strong back-end development skills, a passion for solving complex technical challenges, and the ability to collaborate effectively within cross-functional agile teams.

Responsibilities

• Design, develop, and implement new back-end software features for connected equipment and cloud-based platforms.
• Write clean, efficient, scalable, and maintainable code to support evolving application needs.
• Develop and maintain APIs, databases, and microservices that improve system functionality and performance.
• Support software reliability by creating unit tests and validating code performance.
• Collaborate closely with front-end developers, QA engineers, product managers, and other software team members.
• Participate in software architecture discussions and contribute to long-term platform scalability and maintainability.
• Optimize database structures, application performance, and cloud-based services.
• Support integration of large-scale data systems, messaging services, and connected device applications.
• Mentor junior developers and provide technical guidance to the broader engineering team.
• Assist with documentation, code reviews, and continuous improvement of development processes.
• Participate in agile planning, sprint reviews, and technical problem-solving activities.

• Bachelor’s degree in Computer Science, Software Engineering, or related technical field.
• 8+ years of professional software development experience.
• Strong experience in back-end software development for large-scale or enterprise applications.
• Proficiency with Node.js, JavaScript, or similar server-side programming languages.
• Experience with C#, .NET, or Python is also beneficial.
• Strong experience with SQL databases; NoSQL experience is a plus.
• Experience designing and supporting microservices-based architectures.
• Familiarity with RESTful API development and integration.
• Experience working with cloud platforms such as Amazon Web Services.
• Experience with containerized deployments such as Docker preferred.
• Familiarity with message queue or event-driven systems is a plus.
• Strong problem-solving skills and ability to work independently on complex technical initiatives.
• Excellent communication and collaboration skills within agile software teams.

Preferred Qualifications

• IoT or connected device platform experience is preferred.
• Experience supporting high-volume data platforms or connected equipment solutions.
• Prior experience working in agile software development environments.
• Ability to mentor less experienced software engineers and contribute to technical leadership.

Pay Range: $100,000-$160,000 Commensurate with experience

VISA Sponsorship is NOT available for this position.

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