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  • $158k - $247.28k

     ...Description About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear...  ...practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use... 
    Suggested
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    5 days ago
  •  ...Job Description Job Description Software Engineer - Python, Rust, AWS, Machine Learning Founded in 2017, we are an LA-based startup advancing medicine through AI and computational science. Our platform simulates complex biological processes to accelerate drug design... 
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    Ongoing contract
    Work at office
    Local area
    Weekend work
    3 days per week

    CyberCoders

    Culver City, CA
    2 days ago
  • $150k - $210k

     ...Job Description Job Description Senior Flight Software Engineer – Help Build the Next Generation of Spacecraft Systems! El Segundo, CA...  ...Opportunity Summary A fast-growing space technology startup is developing advanced spacecraft systems for high-energy orbital... 
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    Approach Venture

    El Segundo, CA
    29 days ago
  • $135k - $225k

     ...Job Description Job Description Flight Software Engineer – Build Next-Generation Spacecraft Systems for High-Energy Missions! El Segundo...  ...Opportunity Summary Join a venture-backed aerospace startup developing advanced spacecraft designed to operate in demanding... 
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    Approach Venture

    El Segundo, CA
    19 days ago
  • A leading startup in nuclear technology is seeking a Senior Software Engineer for Simulation in El Segundo, CA. This role involves developing solutions for physics modeling and digital twin technologies. Candidates should have 5+ years of engineering experience in simulation... 
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    Flexible hours

    Radiant Industries

    El Segundo, CA
    21 hours ago
  •  ...Job Description Job Description Senior FrontEnd Software Engineer We are an early stage startup poised to disrupt the residential real estate ecosystem. Our founders, who've previously grown billion dollar tech companies from the ground up, now have their sights... 
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    Ongoing contract
    Local area

    CyberCoders

    Los Angeles, CA
    2 days ago
  • $175k - $200k

    THE ROLE As a Senior Software Engineer on the CMS Team you will create the authoring experience that enables our merchants to manage their account...  ...We’re a Santa Monica‑based tech company with the energy of a startup and the momentum of a market leader . At Tapcart, we believe... 
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    Full time
    Remote work
    Worldwide
    Home office
    Flexible hours

    Tapcart Inc.

    Santa Monica, CA
    3 days ago
  • $90k - $110k

     ...faster. Based in Manhattan Beach, CA, the rapidly-growing tech startup has attracted industry attention with its pioneering AR and...  ...Role At BadVR: We are hiring a full-time, remote, Senior Software Engineer with experience in building AR/VR/XR applications and components... 
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    Full time
    Freelance
    Remote work
    Flexible hours

    BadVR

    Los Angeles, CA
    7 hours agonew
  • $135k - $210k

     ...Description Job Description About the team At Q-CTRL, Quantum Computing Engineering is a global team of software engineers and infrastructure experts,combining deep technical expertise with a startup mindset to deliver real impact through software innovation. Our work is... 
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    Worldwide

    Q-CTRL

    Los Angeles, CA
    24 days ago
  • $160k - $200k

     ...a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and...  ...the success of a groundbreaking Series C space startup, we'd love for you to apply. The Role The software team at K2 strives to blur the lines between the... 
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    Permanent employment
    Shift work

    K2 Space

    Los Angeles, CA
    14 days ago
  • $120k - $180k

     ...Job Description Job Description Company AnySignal is a startup whose mission is to usher in the next generation of RF...  ...systems, and much more. About the Role We’re looking for a Software Engineer to design, optimize, and maintain the core software infrastructure... 
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    Permanent employment
    Flexible hours

    AnySignal

    Los Angeles, CA
    22 days ago
  • $195k - $230k

     ...marketplaces and were recently named the #1 Best Startup Employer in America by Forbes. Check out...  ...latest Whatnot updates on our news and engineering blogs and join us as we enable anyone to...  ...Lead a workstream of multiple other software engineers as the individual responsible... 
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    Work experience placement
    Work at office
    Local area
    Remote work
    Work from home
    Home office
    Flexible hours

    Whatnot

    Los Angeles, CA
    12 days ago
  • $135k - $210k

     ...Description Job Description About the team At Q-CTRL, Quantum Computing Engineering is a global team of software engineers and infrastructure experts,combining deep technical expertise with a startup mindset to deliver real impact through software innovation. Our work is... 
    Suggested
    Worldwide

    Q-CTRL

    Los Angeles, CA
    23 days ago
  • $130k - $200k

     ...Job Description Job Description AnySignal is a startup whose mission is to usher in the next generation of RF products and services...  ...much more. We are seeking a versatile Ground Segment Software Engineer to join our team. This role is central to our mission,... 
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    Flexible hours

    AnySignal

    Los Angeles, CA
    12 days ago
  • $180k - $250k

     ...marketplaces and were recently named the #1 Best Startup Employer in America by Forbes. Check out...  ...latest Whatnot updates on our news and engineering blogs and join us as we enable anyone to...  ...and the people using it. As our next Software Engineer, you should have 5+ years of... 
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    Work at office
    Local area
    Remote work
    Work from home
    Home office

    Whatnot

    Los Angeles, CA
    12 days ago
  • $195k - $290k

     ...marketplaces and were recently named the #1 Best Startup Employer in America by Forbes. Check out...  ...latest Whatnot updates on our news and engineering blogs and join us as we enable anyone to...  .... Role We’re looking for a Senior Software Engineer to join our Developer Tools... 
    Work at office
    Local area
    Remote work
    Work from home
    Home office

    Whatnot

    Los Angeles, CA
    14 days ago
  •  ...Company This is a well-funded early-stage startup building a fully automated manufacturing...  ...robotics, 3D knitting, and intelligent software to reinvent how goods are made. They’re...  ...onshore. About the Roles They’re hiring two engineers to join early and build the core... 
    Overseas

    Samsonrose

    Los Angeles, CA
    1 day ago
  • A promising biotech startup in Los Angeles is seeking a Software Engineer to tackle unique challenges in instrument control and machine learning. The ideal candidate will develop high-quality code across various frameworks like Flutter and PyTorch while collaborating with... 

    Mango Inc.

    Los Angeles, CA
    2 days ago
  •  ...testing. Description Overview Join our growing startup in a role that blends cutting edge biotech with the cutting edge software. The ideal candidate will contribute to...  ...user experiences. We are seeking a Software Engineer to work on unique and challenging problems across... 

    Mango Inc.

    Los Angeles, CA
    2 days ago
  • $185k - $215k

     ...manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for...  ...at Apex, and we want you to love it too. We're a fast-growing startup backed by $200M in Series D funding, and we invest heavily in our... 
    Full time
    Work at office

    Apex

    Los Angeles, CA
    2 days ago
  • $180k - $250k

     ...expressive, and uniquely yours. Founded by Harvard alumni united by a passion for music and audio, Suno is a 100-person Series B startup with offices in Venice Beach, Cambridge, and New York City. With more than 100,000 reviews and a 4.9 rating on the App Store, Suno... 
    Full time
    Work at office

    Menlo Ventures

    Los Angeles, CA
    3 days ago
  • Job Title: Senior Software Engineer (Full-Stack) Location: Los Angeles; Open to Remote Reporting to: President; Co-Founder About 8Fleet:...  ...Fleet is a rapidly growing LA-based technology and logistics startup building the operational infrastructure for both non-autonomous... 
    Remote work

    8Fleet, Inc.

    Los Angeles, CA
    21 hours ago
  • Software Engineer - (USV/ASV) Are you interested in building real-world autonomy systems that operate in some of the most challenging environments...  ...planet? I’m working with a venture-backed maritime defence startup developing next-generation autonomous surface vessels (ASVs)... 

    Darwin Recruitment

    Los Angeles, CA
    1 day ago
  •  ...Overview ThreeV Technologies, Inc. is an early-stage venture backed startup. We’re developing a Multi-Sensory Asset Intelligence Platform...  ...but essential. Job Summary We’re looking for a Senior Software Engineer - Frontend (Geospatial & Computer Vision) to own and evolve ThreeV... 
    Remote work

    ThreeV Technologies, Inc.

    Los Angeles, CA
    4 days ago
  • We are a stealth-mode Aerospace & Defense startup headquartered in Gardena, CA. Our founding team hails from SpaceX, Anduril, and...  ...matters most. The Role We are seeking a Radar Systems Senior Software Engineer to lead the design, development, integration, and validation... 
    Permanent employment

    Singularity Defense Corp.

    El Segundo, CA
    4 days ago
  • A stealth-mode Aerospace & Defense startup is seeking a Radar Systems Senior Software Engineer to lead the development of radar and sensor software critical for missile defense systems. The ideal candidate will have over 8 years of experience in software engineering for... 

    Singularity Defense Corp.

    El Segundo, CA
    4 days ago
  •  ...Cambium Cambium is an advanced materials startup building next generation polymer and...  ...deployment. Role Summary We’re looking for an engineer who thrives in the field, working...  ...integrate, and deploy AI/ML solutions and software into workflows Iterate quickly—prototype... 
    Full time
    Flexible hours

    Valid8 Financial, Inc.

    El Segundo, CA
    21 hours ago
  • Bifrost Studios is hiring a Lead Engineer on behalf of Feno Feno is building the world's...  ...engineering execution across our entire software stack: iOS app, backend, cloud infrastructure...  ...Strong Preferences Previous startup experience React/TypeScript frontend experience... 

    Bifrost Studios

    Culver City, CA
    1 day ago
  • $158k - $247.28k

     ...Description About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear...  ...practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use... 
    Full time
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    5 days ago
  • $123k - $200k

     ...fundamentally different class of spacecraft. Engineered to survive the harshest radiation...  ...success of a groundbreaking Series C space startup, we'd love for you to apply. The Role...  ...for simulating and verifying the software used to fly and orchestrate the behavior... 
    Permanent employment
    Shift work

    K2 Space

    Los Angeles, CA
    6 days ago