Associate Backend Software Engineer, Phantom WorksCompany:The Boeing CompanyThe Boeing Company is currently seeking an Associate Backend Software Engineer (Level 2) to lead our Model-Based Engineering (MBE) software team…
Engineering & IT · St. Louis, MO
Embedded Engineer jobs in St. Louis, MO
Embedded engineers write the software that runs inside devices — from consumer gadgets to cars and medical equipment — working close to the hardware in C and C++ under tight resource limits.
147
Open roles today
$31–$77/hr
Typical pay range
$107k
Median, full-time
11
Fresh in this list
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01
Open embedded engineer roles
12 shown of 147 · sorted by freshness
relationships, excel, and grow professionally in a strong culture of ownership.WSP is currently initiating a search for a Senior Geotechnical Engineer for our St. Louis, Missouri (Creve Coeur, MO) office. The candidate w…
$164.9k - $223.1k
Salary: $164,900 - 223,100 per year Requirements: Bachelor of Science degree in Engineering (focusing on Electrical, Mechanical, or Aeronautical), Computer Science, Data Science, Mathematics, Physics, or Chemistry A mini…
$58 - $63 per hour
development, enhancement, and ongoing optimization of a complex enterprise ServiceNow platform. This role will focus on platform engineering, workflow automation, release management, configuration management, and AI-driv…
Title: Chief Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national secu…
$136.85k - $185.15k
Salary: $136,850 - 185,150 per year Requirements: We require a Bachelor of Science degree from an accredited program in engineering, engineering technology, chemistry, physics, mathematics, data science, or computer scie…
$198.05k - $267.95k
Special Access Programs. A bachelors degree is required. We look for at least 14 years of experience in DevOps, site reliability engineering, software engineering, or cloud engineering. We require hands-on experience wit…
learn how you could help make great things possible not only in your community, but around the world.HDR is looking for Professional Engineers for various disciplines and in multiple locations across the country to join…
$164.9k - $223.1k
Salary: $164,900 - 223,100 per year Requirements: We require a Bachelor of Science degree from an accredited program in engineering, engineering technology, chemistry, physics, mathematics, data science, or computer scie…
$112.2k - $185.15k
Salary: $112,200 - 185,150 per year Requirements: Bachelor of Science degree in Engineering, Engineering Technology, Computer Science, Data Science, Mathematics, Physics, Chemistry, or relevant non-US equivalent qualific…
Overview : Aqua IT has an opening for an experienced System Engineer with Linux system administration experience to support cloud and on-premise systems with a mission operations team. The team is involved in operation a…
MalaceHR is seeking an experienced Operating Engineer to support the operation, maintenance, and overall performance of an 89,000-square-foot Class A office and life science facility in St. Louis. This position will work…
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What embedded engineers earn in St. Louis
Hourly first — that's how the offer arrives
| Experience | Hourly | Annual, full-time |
|---|---|---|
| Entry level | $31–$43 | $64k–$90k |
| Mid level | $43–$60 | $90k–$124k |
| Senior | $58–$77 | $120k–$161k |
Adjusted for the St. Louis market from national ranges.
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What employers ask for
The skills these listings keep naming
C and C++Microcontrollers (ARM Cortex-M)RTOS (FreeRTOS, Zephyr)Hardware protocols (SPI, I2C, UART)Reading schematics and datasheetsDebugging with scopes and JTAGMemory and power constraintsRust or Python (a plus)Version control and CI for firmware
04
Interview questions worth rehearsing
With the thing the interviewer is actually listening for
What does the volatile keyword do, and when do you need it?
Explain it prevents the compiler optimizing away reads/writes, with the classic cases: hardware registers and variables shared with ISRs. Precision matters here.
How do you debug a device that crashes intermittently in the field?
Talk about logging within constraints, watchdog data, reproducing environmental conditions, and instrumented builds. Field debugging method is a core competency.
Walk me through what happens from power-on to your main loop running.
Cover reset vector, startup code, memory initialization, and clock configuration. Comfort with the boot path signals genuine low-level experience.
How do you write an interrupt service routine safely?
Keep it short, defer work to the main loop or a task, protect shared data, and avoid blocking calls. Mention the race conditions you are preventing.
How do you handle a memory-constrained target — say 64KB of RAM?
Discuss static allocation, avoiding heap fragmentation, measuring stack usage, and linker-map analysis. Concrete numbers from a past project help.
How do you test firmware?
Unit tests off-target with mocked hardware, hardware-in-the-loop rigs, and on-target integration tests. Acknowledging what is hard to test is part of a good answer.
Tell me about a hardware/software interaction bug you solved.
The best stories involve a scope or logic analyzer and a datasheet detail everyone missed. Show the collaboration with hardware engineers.
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Resume tips that move the needle
For embedded engineers specifically — generic advice costs you here
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Name the microcontroller families, RTOSes, and protocols per project — embedded hiring screens on exact platform matches.
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Describe the products you shipped and their constraints (battery life achieved, memory footprint, certification requirements).
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Include debugging tooling experience — JTAG, oscilloscopes, logic analyzers — as it separates firmware engineers from application developers.
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Mention safety or regulatory work (MISRA, ISO 26262, FDA) if you have it; those doors are hard to open otherwise.
05
Personal hardware projects with write-ups carry real weight in this field — link one if it is presentable.
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Where this role goes
Typical progression
01
Junior Embedded Engineer
02
Embedded Engineer
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Senior Embedded Engineer
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Principal Firmware Engineer
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