3 results for Front End Developer Technology in San Rafael, CA

Full-Stack Engineer

San Francisco, CA
onsite
Permanent
100000 - 150000 USD / Yearly
Our client is an early-stage, high-growth startup building products that are actively used and loved by real users. They are looking for a Full Stack Engineer (3–6 years of experience) who is excited about building impactful products in a fast-paced, startup environment — and who has interest or exposure to AI. This is a fully onsite role in San Francisco - (must be already living in San Francisco Bay Area to be considered) About the Role As a Full Stack Engineer, you’ll play a key role in designing, developing, and maintaining modern web applications. You’ll work across the stack to build clean, scalable features and collaborate closely with a small, highly motivated team. This is an opportunity for someone who genuinely enjoys building things — especially products that people use every day. What You’ll Do Design, develop, and maintain full stack applications Build user-facing features using React and Next.js Develop and integrate backend services using Python (Flask) Write clean, efficient, and maintainable TypeScript code Debug, test, and optimize application performance Collaborate closely with cross-functional teammates in a fast-moving startup environment Contribute to AI-powered features and generative AI initiatives
2026-03-10T00:00:00Z

Principal Software Engineer

Oakland, CA
onsite
Permanent
250000 - 300000 USD / Yearly
We are looking for a highly skilled Principal Software Engineer to lead the architectural evolution and technical advancement of our cutting-edge platform in Oakland, California. In this role, you will play a pivotal part in designing intelligent, scalable systems that enhance how medical professionals access and interact with educational content. This position offers a unique opportunity to combine strategic thinking with hands-on development to shape the future of our product. Responsibilities: • Design and implement the next generation of platform architecture, focusing on scalable video systems and AI-driven content discovery. • Develop and prototype workflows powered by Large Language Models (LLMs) to deliver transformative user experiences for medical professionals. • Collaborate with cross-functional teams, including Product and Data, to deploy and monitor intelligent services such as personalization and search relevance. • Establish and maintain architectural standards across backend, frontend, and infrastructure layers to ensure system reliability and scalability. • Lead modernization efforts for existing systems, utilizing Python/Django and React for backend and frontend development. • Mentor engineering teams by fostering best practices, conducting design reviews, and developing prototypes to elevate technical quality. • Explore and integrate advanced tools like vector databases and real-time video personalization frameworks to enhance platform capabilities. • Drive innovation in applied AI by researching and implementing new technologies and methodologies.
2026-02-24T00:00:00Z

User Experience Designer II

Sunnyvale, CA
onsite
Temporary
45 - 50 USD / Hourly
Optical Design TechnologistLocation: Sunnyvale, CADuration: 6‑month contract with potential extensionJob SummaryWe are seeking an experienced Optical Design Technologist with strong expertise in AR software development, optical metrology, prototyping, and data infrastructure. This role involves building AR optical prototypes from the ground up—developing applications in Unity/Unreal, designing custom image viewer tools, assembling hardware, conducting precise metrology, and building scalable data pipelines. The ideal candidate combines hands-on engineering, analytical problem‑solving, and user-centered research.Key ResponsibilitiesAR Software Development<ul><li>Develop AR applications using Unity or Unreal Engine for prototype evaluation and user studies.</li><li>Build custom image viewer applications for third‑party AR devices to support benchmarking and competitive analysis.</li><li>Use MATLAB, C#, C++, or Python for application development, automation, and scripting.</li><li>Troubleshoot hardware/software integration in prototype systems.</li><li>Create tools for automated testing, data capture, and system calibration.</li><li>Assemble AR optical prototypes using both commercial and custom optics, displays, and sensor components.</li><li>Design and fabricate fixtures using CAD software (SolidWorks, Fusion 360, OnShape).</li><li>Utilize rapid prototyping methods including 3D printing (FDM, SLA) and basic fabrication techniques.</li><li>Perform optical measurements for display characterization, including luminance, color accuracy, MTF, distortion, field of view, and related metrics.</li><li>Maintain and calibrate metrology equipment such as photometers, colorimeters, spectrometers, and optical benches.</li><li>Document measurement methodologies, specifications, and test procedures with emphasis on accuracy and repeatability.</li><li>Design and maintain database structures for storing optical measurements, user study results, and experimental data (SQL/NoSQL).</li><li>Develop automated pipelines for data ingestion, validation, and long‑term storage.</li><li>Write analysis scripts using Python, MATLAB, or R to process measurement data and user study outputs.</li><li>Create clear visualizations and dashboards to communicate findings to cross‑functional teams.</li><li>Produce well-structured documentation and communicate findings effectively to internal teams.</li><li>Maintain organized records, measurement logs, and experimental documentation.</li><li>Demonstrate strong ownership, attention to detail, and ability to dive deep into technical challenges while simplifying complex concepts for stakeholders.</li></ul>
2026-03-13T00:00:00Z