Senior Software Engineer – Frontend job at ThreeV Technologies in Los Angeles, CA, San Diego, CA, San Francisco, CA, Seattle, WA

Title: Senior Software Engineer – Frontend (Geospatial & Computer Vision) Locations: Los Angeles, San Diego, US/ San Francisco, Seattle Department: ThreeV Platform remote/ Hybrid Full time Job Description: Company Overview Compensation $113K – $196K

• Offers Equity

ThreeV Technologies, Inc. is an early-stage venture backed startup. We’re developing a Multi-Sensory Asset Intelligence Platform (MSAIP) to revolutionize asset heavy industries like Power & Utilities, Renewables, and Public Infrastructure. Our goal is to become the B2B Perplexity AI for the physical world. The ThreeV platform uses frontier AI techniques like customized Large Language Models, as well as applying the latest computer vision model architectures to drastically improve the end-to-end inspection process. This allows customers to cut operations & maintenance costs, streamline inspection decisions, and improve data accuracy to prevent asset failures. Global high profile safety incidents like wildfires over recent years underscore the urgent need for our platform, making it not just innovative but essential. Job Summary We’re looking for a Senior Software Engineer - Frontend (Geospatial & Computer Vision) to own and evolve ThreeV’s web platform and help define how computer vision and spatial data are translated into intuitive, performant product experiences. This is a hands-on senior IC role for someone who is equally comfortable fixing frontend bugs, building core product features, and implementing advanced visualizations such as computer vision overlays (bounding boxes, segmentation masks, metadata) and layered map-based views. You’ll work directly with our Platform and Machine Learning teams to improve and expand our Inspection Platform while leading frontend development across the broader product suite. This role requires strong frontend fundamentals, comfort working with large image-based datasets, has experience with GIS and the ability to turn model outputs into clear, usable workflows for real customers operating critical infrastructure. As the frontend owner, you’ll be responsible for maintaining product quality and velocity, from day-to-day bug fixes and UX polish to performance optimization and new feature development. You’ll also help define frontend frameworks, tooling, and reusable components as the platform scales. This role is ideal for a product minded software engineer who enjoys frontend problem solving and wants broad ownership at a scaling AI startup with real world impact.

Key Responsibilities

Own frontend development across ThreeV’s product suite, including feature delivery, bug fixing, and UX improvements Translate computer vision outputs (segmentation masks, bounding boxes, confidence scores, JSON metadata) into clear, performant web visualizations Build and maintain interactive visualization layers for imagery, detections, and asset data, including map-based workflows Integrate and render layered spatial data using modern mapping frameworks, consuming geospatial APIs provided by backend services Solve map-style UI challenges such as zoom-level logic, overlay visibility, dynamic label positioning, and viewport-aware rendering Optimize frontend performance for large datasets, dense overlays, and imagery-heavy workflows using Canvas, Web Workers, and/or WebGL-based techniques Collaborate daily with backend and ML engineers to connect APIs, model outputs, and data pipelines to the frontend experience Partner closely with Product and Design to apply human-centered design principles and ensure workflows are intuitive and grounded in customer needs Participate in customer-facing UAT sessions to validate features, gather feedback, and translate insights into iterative frontend improvements Define frontend best practices, tooling, and workflows to ensure code quality and scalability as the team grows Leverage AI-assisted development tools (ChatGPT, Claude, Copilot, Cursor, etc.) to accelerate development, testing, and iteration velocity Minimum Qualifications 7+ years of professional frontend development experience, with senior level ownership of production SaaS applications Deep expertise with React JS and TypeScript Strong experience building data dense or visualization heavy web applications Experience building map-based UIs and rendering layered GIS data in frontend applications Experience visualizing structured outputs such as bounding boxes, masks, overlays, or similar spatial/imagery-based data Experience with Canvas, Web Workers, and/or WebGL based rendering Solid understanding of frontend performance optimization and rendering tradeoffs Comfortable owning both everyday frontend work (bug fix requests from customers) and larger complex feature initiatives Strong collaboration skills and experience working closely with Product, Design, and Engineering teams Ability to work autonomously in a fast-paced startup environment Excellent written and spoken English, including comfort communicating directly with customers when needed

Preferred Qualifications

Experience working on AI powered or computer vision enabled SaaS products Familiarity with geospatial concepts such as tiles, bounding boxes, spatial layers, or imagery pipelines Experience integrating frontend applications with cloud backed APIs (AWS, Azure, or similar) Experience contributing to or maintaining design systems (e.g. ShadCN, Tailwind, Storybook) Hands on experience participating in usability testing or customer feedback sessions Strong UI sensibility or visual design experience (not required, but a major plus) Passion for building products with real world impact (climate resilience, social impact) Education Bachelor’s degree in Computer Science, Software Engineering, or a related field minimum A Master’s degree is preferred but not required, especially if the candidate has extensive related industry experience; equivalent practical experience and portfolio of shipped products are equally valued

Work Environment

ThreeV.ai is a hybrid company, with our primary base in Los Angeles, CA. We are supportive of remote work, providing flexibility to our team to work from wherever they prefer. We also believe in the value of in person connections. To facilitate this, we hold multiple all hands team offsite meetings each year, fostering collaboration and team cohesion. Our work environment is a balance between remote flexibility and in person interaction for moments that matter, aiming to create a productive and connected global team. Company Culture and Values Our company values go by the acronym M.M.M. These values are simple and provide a foundation of how we work both with each other and with customers and partners. Mission Our customers are working in an era of ever-increasing demand for power and climate change. Many have aging grid infrastructure, a workforce that is changing rapidly as workers retire, and ever-increasing O&M costs. Our mission is to understand our customers’ biggest challenges and solve them with our Insights Automation Platform. We save lives, we help keep the lights on, and we help our customers do more with less in their O&M organizations. Moral Integrity Uncompromising commitment to honest and ethical behavior, always and without exception. We want all employees to be direct and provide open feedback regardless of level. We seek leaders who lead without titles, maintaining a flat organization to achieve our mission effectively. Mastery We invest in your ongoing mastery and encourage sharing your skills with the world, helping fuel your passion for your craft, encouraging constant learning, and pushing your field forward. Mastery is about more than just your craft; it is also how you bring it to others through collaboration and communication. Equal Opportunity Employer Statement ThreeV is an equal opportunity employer. We are committed to creating an inclusive and diverse workplace, and we encourage applications from candidates of all backgrounds. We do not discriminate on the basis of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. At ThreeV, we value the strengths and perspectives that a diverse workforce brings to our organization, and we believe that diversity enhances our ability to serve our clients and achieve our mission. All qualified applicants will receive consideration for employment without regard to any of the characteristics mentioned above. We are dedicated to providing reasonable accommodations for individuals with disabilities in our application process and during employment. If you need assistance or an accommodation due to a disability, please let us know. We look forward to considering your application and welcoming you to our team. Apply tot his job Apply To this Job