Mid Level Software Engineer Jobs in California, MO

EXPLEO GROUP USA is seeking a Senior Consultant Software Engineer (Level 6) to deliver high-impact embedded software solutions across advanced aerospace systems.

Responsibilities

• Design and implement advanced control algorithms for power electronic applications
• Develop software requirements and embedded code for systems such as 3-phase Active Rectifiers, motor control electronics, DC-DC converters, and AC drives
• Contribute to overall system architecture and independently develop subsystem designs balancing performance, cost, and reliability
• Perform software testing, debugging, and optimization at both source and assembly levels
• Collaborate with control system engineers to enhance system performance and efficiency
• Lead or support software design reviews and interface with suppliers, customers, and cross-functional teams
• Develop software documentation including requirements specifications, interface control documents, and design reports
• Create verification and validation plans, including DVTP and DVTR documentation
• Support feasibility, development, validation, verification, and qualification testing activities
• Ensure compliance with aerospace standards and airworthiness requirements (RTCA/DO-178, DO-160, DO-254)
• Provide technical leadership, mentor junior engineers, and contribute to continuous improvement initiatives
• Interface with internal teams and external OEMs to ensure successful program execution

Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or related field (ABET-accredited or equivalent)
• 5+ years of aerospace embedded software development experience
• Strong experience with RTCA/DO-178 processes and documentation
• Hands-on programming skills in C/C++, VHDL/Verilog, and/or scripting languages (Python, Perl, PowerShell)
• Experience with embedded systems architecture and firmware development (DSPs, microcontrollers such as TMS320, PIC, or similar)
• Knowledge of aerospace communication protocols (CAN, ARINC429, SPI, I2C, RS-232)
• Experience with simulation and design tools such as MATLAB/Simulink, PSPICE, or PSIM
• Familiarity with power electronics systems (PFC, inverters, motor control systems)
• Ability to lead technical efforts and work effectively in cross-functional environments

What We Offer

• Competitive Compensation – Up to $125 per hour. Please note that the compensation range displayed is a generalized range for pipelining purposes and may not reflect the final range for a specific role. Final compensation will be determined based on the role, skill alignment, years of experience, and fair, market-based rates by geography
• Comprehensive Benefits for you and your dependents – Extensive Medical Plans, Dental, Vision, HSA with company contribution, company sponsored Life Insurance and Short / Long term disability insurance, a host of voluntary plans including legal, hospital, accident, pet wellness, and 401k with matching
• Paid Holidays and Paid Time Off
• Career Development and Advancement – Expleo is a global company in 29 Countries worldwide with a high focus on development
• Strong Team Culture – Collaborate with experienced professionals who value precision, performance, and teamwork

About Expleo

Expleo is a trusted global partner for end-to-end engineering, quality, and consulting services. We support leading aerospace organizations in delivering innovative, safe, and high-performance products across the full lifecycle.

This position may require access to information subject to U.S. export‑control regulations (e.g., ITAR/EAR). Employment is contingent upon the ability to obtain such access. Under these regulations, access may be limited to “U.S. Persons,” including U.S. citizens, lawful permanent residents (green card holders), and individuals granted refugee or asylee status.

Expleo is an equal opportunity employer. We commit to non-discrimination in all stages of the recruitment process, ensuring fair and unbiased hiring practices. We evaluate qualified applicants without regard to race, color, religion, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, or any other protected characteristic under applicable laws.