Full-Stack Java/Spring Engineer | React Frontend

Company: Callsign
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Job Description:

Callsign is seeking a Full Stack Software Engineer to design, build, and maintain high-throughput Java backends and modern web interfaces. You’ll own features from architecture through deployment in an Agile environment with Product, UX, QA, and platform teams.

You’ll work across the stack, delivering scalable APIs, responsive UIs, and robust testing. Collaboration and secure coding practices are essential in this role.

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Posted: October 10th, 2026