Senior Full-Stack Engineer (Chicago Hybrid)
Posted Jul 30, 2026 · We last checked this listing on Sep 20, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
Behavioral
Walk me through a time you owned an architecture decision end to end, from proposing the approach to seeing it through implementation. What was the feature and what tradeoffs did you weigh?
whether the candidate has actually driven architecture decisions rather than just executed someone else's design
Tell me about a time an external team's integration with your API broke or drifted out of sync. What happened and what did you change afterward?
real experience managing contract ownership under organizational friction, not just technical design skill
Tell me about a time you had to break a large, ambiguous feature request from product management into tasks the team could work on in parallel.
grooming and delegation skill, since this role is explicitly IC-plus-tech-lead
Describe a code review where you caught something serious, a security gap or a performance bottleneck, that others missed. How did you raise it?
whether they exercise real technical judgment in review, not just style nitpicks
Tell me about a time you had to mentor a peer or push back on their technical approach while still keeping the relationship good.
soft-skill readiness for informal tech lead responsibilities without formal authority
Technical
Say you need to design frame-accurate video trimming that has to work reliably in the browser and hand off cleanly to a backend packaging service. How would you split the work between client and server, and why?
depth of real experience with media processing constraints, not just familiarity with the term FFmpeg
Tell me about the trickiest bug or edge case you've hit doing lossless trimming or transcoding with FFmpeg or GStreamer. How did you track it down?
hands-on scars versus surface-level knowledge of media libraries
How would you design a service contract for an Evidence Domain API that multiple external consumer teams depend on, knowing that requirements will keep shifting?
ability to design for change and manage cross-team dependencies without constant breakage
You're building a real-time video trim editor in Angular with Signals, and it needs to handle large files pulled from Google Cloud Storage smoothly in the browser. What's your approach to keeping it performant?
whether their Angular Signals experience is genuinely recent and production-grade versus resume keyword
How have you actually used AI tools day to day in your engineering work, beyond code completion, like for architectural tradeoffs or PR cycle time improvements?
whether the 'transformative AI mindset' is a genuine practice or a buzzword answer
How do you approach coordinating a Python microservice and a Java microservice that need to share data cleanly, especially when the two codebases evolve at different speeds?
concrete experience across the polyglot stack the job actually requires, not just one language
Situational
Imagine your team is shipping an LLM-powered scene description feature and the live accuracy metrics start dropping after launch. What do you do first?
practical judgment about monitoring and iterating on AI features versus purely theoretical AI enthusiasm
Picture a media-processing service that starts falling over under a spike in concurrent video uploads on GKE. How would you figure out where it breaks and design around that?
understanding of fault tolerance and scale in a distributed, media-heavy system rather than generic cloud knowledge
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As published by Motorola Solutions.
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