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Internship Junior Blockchain Developer Jobs in California

Senior Software Engineer - CUDA

Palo Alto, CA · On-site +1

$144K - $189K/yr

Mentor junior engineers and provide guidance on GPU-related topics and performance optimization ... Familiarity with ZKP applications and blockchain technologies is a plus. * Excellent problem ...

They are seeking a motivated and detail-oriented Junior Full Stack Developer to join their team ... internship, or professional experience with React and JavaScript/TypeScript. • Strong ...

Overview The Junior Propulsion Component Engineer supports the design and development of Amca ... Internship or project experience in aerospace, defense, or high-reliability hardware. * Familiarity ...

D3 is building the world's first purpose-built blockchain for DomainFi --bringing domain ... development (internships, projects, or open-source contributions count). * Familiarity with at ...

D3 is building the world's first purpose-built blockchain for DomainFi -bringing domain ... development (internships, projects, or open-source contributions count). * Familiarity with at ...

D3 is building the world's first purpose-built blockchain for DomainFi -bringing domain ... development (internships, projects, or open-source contributions count). * Familiarity with at ...

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Infographic showing various Internship Junior Blockchain Developer job openings in California as of August 2026, with employment types broken down into 26% Internship, and 74% Full Time. Highlights an 100% In-person job distribution.

Junior Propulsion Component Test Engineer

Amca

El Segundo, CA • On-site

Full-time

Re-posted 2 days ago


Job description

Overview

The Junior Propulsion Component Test Engineer supports the verification and qualification testing of Amca's propulsion control hardware under the direction of senior test engineers. You will help set up test rigs, run tests, and reduce data on hydraulic and pneumatic hardware. This is an entry-level role for an engineer who wants to build a strong foundation in hardware test and measurement.

Responsibilities

Test Support

  • Assist in building test rigs, fixtures, and fluid loops under senior direction.
  • Set up instrumentation and data acquisition and verify measurement channels.
  • Follow test procedures and help refine them based on setup experience.

Test Execution

  • Run flow, pressure, leakage, and endurance tests under supervision.
  • Support qualification and environmental testing against defined requirements.
  • Follow test safety practices for high-pressure and hazardous-fluid operations.

Data and Development

  • Reduce and plot test data and help identify trends and anomalies.
  • Draft sections of test reports and maintain test records.
  • Build test and measurement fundamentals through mentorship and hands-on work.

Basic Qualifications

  • Bachelor's degree in mechanical engineering, aerospace engineering, or a related technical discipline.
  • 0 to 2 years of engineering experience, including internships or co-ops.
  • Familiarity with test instrumentation, sensors, and data acquisition concepts.
  • Working knowledge of propulsion or mechanical systems fundamentals.
  • Strong attention to detail and a methodical, safety-minded approach to lab work.

Preferred Qualifications

  • Coursework or project experience in instrumentation, controls, or fluid mechanics.
  • Exposure to LabVIEW or comparable data acquisition tools.
  • Internship or lab experience in aerospace, defense, or high-reliability hardware.
  • Familiarity with test procedures and engineering documentation.