Senior Software Developer
Location: Johnston, IA (Hybrid – Onsite Tuesday through Thursday; must reside within 50 miles)
Start Date: Minimum 2 weeks from date of offer acceptance

Position Overview:

We are seeking a Senior Software Developer with a strong background in industrial automation to join our R&D engineering team in Johnston, IA. This role is ideal for a seasoned professional passionate about building software solutions for custom research and development equipment across greenhouses, laboratories, seed processing, and field environments. You'll work hands-on with hardware, design and maintain C++ applications, and contribute to advanced imaging and automation projects.

Key Responsibilities:

Collaborate with cross-functional engineering teams to deliver software solutions for custom R&D equipment.
Design, develop, and maintain C++ software to control imaging and automation systems.
Integrate hyperspectral imaging technologies with robotic and industrial systems.
Program PLCs using Structured Text (preferably Beckhoff).
Work with machine vision systems, smart sensors, and industrial communication protocols (e.g., MQTT, MODBUS).
Develop, test, and document software based on seasonal R&D schedules.
Operate safely around shop equipment and directly interface with hardware during development.
Maintain clear and professional communication within the team and with stakeholders.

Required Qualifications:

10+ years of experience in industrial automation.
Bachelor's degree in Engineering (Agricultural, Biological, Mechanical, Software, or related field) or equivalent work experience.
Proficiency in both Linux and Windows environments.
Expertise in C++ development.
Hands-on experience with PLC programming in Structured Text.
Experience with machine vision systems and smart sensors.
Familiarity with industrial protocols such as MQTT, MODBUS, etc.
Strong team collaboration and communication skills.
Authorization to work in the U.S. without sponsorship.

Preferred Qualifications:

Experience in C# .NET development.
Knowledge or experience with hyperspectral cameras.
Familiarity with Rockwell PLCs.
Understanding of design patterns, N-tiered architecture, and CRUD database operations.
Proficiency in synchronous programming concepts: resource locking, deadlocks, race conditions.
Experience with:
Serial communication (Modbus RTU, CAN).
Ethernet protocols (EtherCAT, PowerLink, EthernetIP, Modbus TCP).
IEC 61131 PLC languages.
Prior work in the agricultural industry.

Job Type: Contract

Pay: $40.00 - $45.00 per hour

Expected hours: 40 per week

Benefits:

Health insurance

Schedule:

8 hour shift

Ability to Commute:

Johnston, IA 50131 (Preferred)

Ability to Relocate:

Johnston, IA 50131: Relocate before starting work (Preferred)

Work Location: In person

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