"layer 4" Jobs

1808 open tech roles matching “layer 4”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, AI/ML, Kubernetes. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 1808 results

IonQ

Join IonQ as a Senior Mask Layout Engineer to lead the development of cutting-edge quantum computing technologies.

IonQ College Park, Maryland, United States $126.9k–$166.1k/yr Published 7 months ago
Flexible on stack
SpaceX

Join SpaceX as a RAN Validation Engineer to validate and optimize the 4G/5G RAN software protocol stack for Starlink Mobile.

SpaceX Redmond, WA $125k–$200k/yr Published 1 month ago
Flexible on stack
Cloudflare

Join Cloudflare as a Senior Customer Engineer in Seattle, driving technical strategy and customer success with innovative solutions.

Cloudflare Distributed $202k–$278k/yr Published 1 week ago
Flexible on stack
EigenLayer

Join EigenLayer as a Senior Agentic AI Engineer to build core systems for AI agents in a remote-friendly environment.

EigenLayer Remote $187k–$253k/yr Published 5 months ago
Flexible on stack 80% coding
Lightfield

Join Lightfield as a Staff Software Engineer to build scalable data infrastructure for a fast-growing AI-native CRM platform.

Lightfield HQ: San Francisco Published 1 month ago
Flexible on stack
Carbon

Join Carbon as a Staff Software Engineer to build scalable web infrastructure and lead major initiatives in a vibrant team culture.

Carbon Sunnyvale, California, United States $209.6k–$314.4k/yr Published 1 month ago
Flexible on stack
Fireworks AI

Join Fireworks AI as a Security Engineer to design and implement security controls across AI infrastructure and platforms.

Fireworks AI San Mateo Published 7 months ago
Flexible on stack
WorkOS
WorkOS United States & Canada Published 8 months ago
SpaceX

Join SpaceX as a Sr. 3GPP RAN Standardization Engineer to influence 5G and 6G standards and align internal engineering with global developments.

SpaceX Palo Alto, CA $170k–$230k/yr Published 1 month ago
Cloudflare

Join Cloudflare as a Senior Customer Engineer to drive technical relationships and customer success in the North East region.

Cloudflare Hybrid $202k–$278k/yr Published 1 month ago
SpaceX

Validate and optimize the 4G/5G RAN software protocol stack for SpaceX's Starlink Mobile program.

SpaceX Palo Alto, CA $135k–$210k/yr Published 1 month ago
Flexible on stack
Lightfield

Join Lightfield as a Software Engineer to work on infrastructure challenges in an AI-native CRM environment.

Lightfield Cambridge, MA Published 1 month ago
OpenRouter

Join OpenRouter as an AI Provider Operations & Support Engineer to drive model launches and provider onboarding in a collaborative environment.

OpenRouter Remote (US) Published 7 months ago
Flexible on stack
Cloudflare

Join Cloudflare as a Senior Customer Engineer to drive technical strategy and customer success in a dynamic growth environment.

Cloudflare Distributed Published 1 week ago
Flexible on stack
SpaceX

Join SpaceX as a Software Engineer to design and scale a new Content Delivery Network for Starlink's global broadband service.

SpaceX Hawthorne, CA $135k–$195k/yr Published 2 weeks ago
Flexible on stack
SpaceX

Join SpaceX as a Software Engineer to design and scale a new Content Delivery Network for Starlink's global broadband service.

SpaceX Redmond, WA $125k–$200k/yr Published 1 month ago
Flexible on stack
Cape

Join Cape as a Senior Software Engineer to build scalable backend systems for a privacy-first mobile carrier.

Cape New York, NY $200k–$290k/yr Published 3 years ago
Twilio

Join Twilio as a Software Engineer to build and operate backend services at scale in a remote-first environment.

Twilio Remote - US $117.0k–$146.2k/yr Published 1 month ago
Flexible on stack
Lyft

Lead a team responsible for Lyft's foundational data layer, driving modernization and mentoring engineers in a hybrid work environment.

Lyft Toronto, Canada CA$172k–CA$215k/yr Published 3 months ago
Flexible on stack Heavy meetings