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Massive reach: Our docs platform serves 100 million+ developers every year and powers documentation for 20,000+ companies, including Anthropic, Microsoft, PayPal, Spotify, Coinbase, X, and over 20% of the last YC batch. Platform expertise: You have deep experience with cloud infrastructure, infrastructure as code, distributed systems, CI/CD, observability, and operating large-scale production software.

Mintlify

Senior Platform Engineer

ea_via_bold

For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. The systems you build directly impact OpenAIs ability to support new model launches, safely ship inference optimizations to the world, onboard new infrastructure providers, and operate one of the largest and most performance-sensitive inference platforms in the world.

OpenAI LLC

Software Engineer, Productivity - Inference Runtime

This role spans three connected areas: Infra that users feel — own our core systems (PostgreSQL, ClickHouse, async job processing, LLM gateway, email infra) with the same product instincts an engineer would bring to a customer-facing feature. Own, operate, and evolve our core data infrastructure: PostgreSQL, ClickHouse, and async processing pipelines — measuring success in user-facing terms (p95 scheduling latency, agent action success rate, message delivery reliability).

Blockit AI

Software Engineer, Infrastructure

Under general direction, performs and oversees professional field and office civil, structural and transportation engineering work related to the planning, design, construction and maintenance of City projects and programs in the areas of development, traffic operations and safety, capital improvement, stormwater and building structural plan checking, including managing complex engineering projects and programs; provides professional assistance and technical advice to City officials; coordinates projects with contractors, other departments, and other agencies; administers professional services and construction contracts; evaluating requests for changes or additional work; directs the work of subordinate professional staff; and performs related work as required. Serves as project manager on complex projects including: defining project scope; selecting consultants; negotiating contracts, amendments and change orders; preparing and monitoring project schedules; monitoring, reviewing and coordinating project design and construction; evaluating contractors requests for extra work; enforcing terms of the contract; processing payments and change orders; coordinating projects with businesses, utilities and other city departments; conducting field and construction site inspections; and resolving contract disputes.

YEAR

San Ramon City Council

Senior Civil Engineer

We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. This design provides our customers with the most advanced, robust, and cost-competitive laser devices for their 800G and next-gen 1.6T datacom transceiver designs.

Coherent Corp

Lead Design Engineer

We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program.

Lead Test Engineer

We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent's broad portfolio of InP components includes application-specific Fabry-Pérot lasers, directly modulated lasers (DMLs), and tunable lasers.

Senior Equipment Engineer

With Pulsar - the world's most advanced PNT satellite infrastructure in Low Earth Orbit - Xona will offer a future-proof, backwards-compatible global positioning system optimized for absolute precision, superior power, and robust protection. You will drive core mechanical and thermal design from early architecture concepts through prototype stage iteration, qualification testing, and transition to high-rate flight production.

Xona Space Systems

Sr. Mechanical Engineer

AI & Automation Innovation: Evaluate, design, and deploy AI-driven tools, Model Context Protocol implementations/maintenance, Terraform-based automation scripts, and security artifacts to enhance platform security operations, streamline threat monitoring, and optimize governance workflows across the Oracle Cloud ecosystem. Project Galileo: Since 2014, we''ve equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare's enterprise customers--at no cost.

Cloudflare Inc

Senior Oracle Security and AI Engineer

With Pulsar - the world's most advanced PNT satellite infrastructure in Low Earth Orbit - Xona will offer a future-proof, backwards-compatible global positioning system optimized for absolute precision, superior power, and robust protection. For U.S. Roles: To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States (i.e. Green Card holder), or other protected individual as defined by 8 U.S.C. 1324b(a)(3).

Satellite Harness Engineer

With Pulsar – the world’s most advanced PNT satellite infrastructure in Low Earth Orbit – Xona will offer a future-proof, backwards-compatible global positioning system optimized for absolute precision, superior power, and robust protection. You will build nonlinear six-degree-of-freedom simulation environments, develop flexible-body and vehicle subsystem models, and validate those models using analytical, test, and flight data.

GNC Engineer, Advanced Modeling

Build test-to-field correlation for failure modes identified in reliability testing, ensuring lab test methods accurately predict real-world product performance and continuously refining test plans based on field learnings. Perform Design Failure Mode and Effects Analysis (DFMEA) to proactively identify potential risks and failure modes early in the design process, driving mitigation actions ahead of validation phases.

Hardware Reliability Engineer

As a Sensor Hardware Test intern, you'll work alongside our test engineering team to characterize and validate the sensors - cameras, lidar, and supporting hardware - that power Bedrock's autonomous excavators. Build and iterate on test fixtures and benchtop setups - mechanical mounts, wiring harnesses, DAQ integration - used to characterize camera, lidar, and other sensor hardware.

Bedrock Robotics

Internship 2027 Sensor Hardware Test Engineer

Aurelius Systems is a VC backed defense tech startup building autonomous, edge deployed directed energy systems for counter-UAS. Robotics or defense companies with real electromechanical products where you wrote test code and wired test setups.

Aurelius Systems

Test Engineer, R&D

A Bachelor's degree in Electrical Engineering, Computer Science, Physics, or related field with specialization in Data Science, AI/ML, or Statistics; a Master's degree is preferred. The Candidate will have minimum 5 years of experience with AI, preferably including ML, preferably with experience in statistical analytic techniques, and 3 years experience in a production environment.

LightWorks Optical Systems

Principal Machine Learning Engineer - Wafer Fabrication

Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. Today, Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries to date, including blood, vaccines, medical supplies, food, and retail products.

Zipline

Materials Engineer Intern (Spring & Summer 2027)

GreenHouseAPI

Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. Develop and execute verification plans (environmental, fatigue, vibration, thermal, EMI/EMC where applicable), build test rigs/fixtures, run test campaigns, analyze results, and close findings with corrective actions and measurable reliability improvements.

Mechanical Engineer, Ground Systems

We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Experience in semiconductor laser diodes, laser alignment, diode laser packaging, fiber optics, fiber coupled lasers, fiber lasers, and diode laser optics.

Staff Mechanical Engineer

Collaborate with Product Line Management and R&D Management to generate development schedules that achieve key project milestones, NPI deliverables, business requirements, and customer satisfaction. Work closely with III-V gain material teams in characterizing laser gain material parameters, optimizing device performance, and preparing samples for laser manufacturing.

Build Engineer Jobs in Anaheim, CA

Senior Platform Engineer Mintlify

Software Engineer, Productivity - Inference Runtime OpenAI LLC

Software Engineer, Infrastructure Blockit AI

Senior Civil Engineer San Ramon City Council

Lead Design Engineer Coherent Corp

Lead Test Engineer Coherent Corp

Senior Equipment Engineer Coherent Corp

Sr. Mechanical Engineer Xona Space Systems

Senior Oracle Security and AI Engineer Cloudflare Inc

Satellite Harness Engineer Xona Space Systems

GNC Engineer, Advanced Modeling Xona Space Systems

Hardware Reliability Engineer ura

Internship 2027 Sensor Hardware Test Engineer Bedrock Robotics

Test Engineer, R&D Aurelius Systems

Principal Machine Learning Engineer - Wafer Fabrication LightWorks Optical Systems

Principal Machine Learning Engineer - Wafer Fabrication Coherent Corp

Materials Engineer Intern (Spring & Summer 2027) Zipline

Mechanical Engineer, Ground Systems Zipline

Staff Mechanical Engineer Coherent Corp

Senior Principal Optoelectronics Engineer LightWorks Optical Systems

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