Top Tech Jobs & Startup Jobs in Los Angeles, CA

Design and build advanced applications, integrate external APIs, and contribute to large open-source codebases for global clients. The role requires strong systems programming, networking, memory management, concurrency, operating-system concepts, data modeling, parallelism, API design, and technical documentation skills. Candidates should learn quickly, take ownership, navigate unfamiliar codebases, identify edge cases, and continuously improve through feedback. The process includes a technical assessment, interview, and OSS hackweek.

Build and maintain scalable JavaScript applications, API integrations, and open-source projects for global clients. Responsibilities include writing and reviewing code, debugging across frontend, backend, database, and network layers, optimizing performance, designing scalable architectures, handling concurrency, documenting technical work, and addressing edge cases. The role is fully remote and includes structured technical growth, peer feedback, and an assessment process involving an OSS hackweek.

Generate qualified pipeline through cold calls, personalized emails, LinkedIn, and other outbound channels. Research target accounts, engage CISOs and technical leaders, qualify opportunities, and schedule high-quality meetings for Account Executives. Use AI-powered prospecting and sales intelligence tools, collaborate with Sales and Marketing, and develop expertise in application security, software supply chains, and enterprise security purchasing.

Support CEO and leadership on market intelligence, financial modelling, go-to-market strategy, partnerships and PMO. Run competitor analysis, size segments, build investor-ready business plans, craft value propositions and support partner negotiations while tracking cross-functional OKRs and dashboards.

Open application inviting AI engineers, full-stack developers, data scientists, finance experts and others to apply. Candidates should submit a resume/LinkedIn, links to work (GitHub, Kaggle, portfolio) and a brief note explaining motivation, value they bring, and desired roles or projects.

Fine-tune and align LLMs for specialized financial tasks; build agentic solutions with LangChain/Autogen; engineer ML pipelines for large financial datasets; deploy, monitor and scale production models; track AI research and integrate emerging tooling.

Volunteer TikTok Content Creator will design, film, edit, and publish engaging TikTok videos aligned with organizational goals. Responsibilities include trend-driven content creation, community growth, managing multiple projects to deadlines, and tracking performance metrics with guidance from the Marketing and Communications Board Member.

Manage and grow social media presence by posting provided content, engaging with followers, monitoring activity, and supporting promotion of events and initiatives. Remote volunteer role, ~3–5 hours/week.

Build responsive Bubble.io applications for startup clients, collaborate with product managers and designers, refine requirements, test tools and assumptions, communicate with clients weekly, and contribute reusable components and tutorials to the internal library. The role offers autonomy, client exposure, and opportunities to advance into technical leadership or product management.

Arizona-based Staff Attorney responsible for reviewing and validating legal documents and client claims, managing document workflows and quality control, communicating with clients, escalating legal or product issues, maintaining claim records, generating reports, and supporting SOPs, audits, data cleanup, and inbox management. Requires an Arizona bar license in good standing, document review experience, strong organization and attention to detail, comfort with digital tools, and remote work experience.

Develops software solutions at Zoom, collaborating in a fast-paced, customer-focused environment to support communication and collaboration products. The provided description does not include specific responsibilities, qualifications, technologies, salary figures, or travel requirements.

Sell Gaya to mid-market and enterprise insurance brokerages by building and managing a pipeline, using Apollo/Clay/LinkedIn Sales Navigator, running account-based outreach, mapping stakeholders, conducting discovery calls, qualifying and closing deals, and handing off new accounts to onboarding.

Own and expand a Three.js-based in-browser solar configurator, build and optimize 3D geometry and design workflows, implement frontend product features, collaborate with backend and computational teams, and ensure performant, stable, and intuitive 3D UX.

Own and expand a Three.js/R3F in-browser solar configurator: build and optimize 3D geometry tools and UX, collaborate with backend and simulation teams, ensure performant real-time rendering, and deliver frontend product features across the Aether platform.

Own and expand a Three.js-based in-browser solar configurator: implement and optimize 3D geometry tools and workflows, build product-facing frontend features, collaborate with backend and computational teams, translate solar physics into usable design tools, define frontend/3D architecture, and ensure performant, stable UX across edge cases.

Design and deliver user-centric web and mobile experiences: wireframes, flows, high-fidelity mockups, and interactive prototypes. Build and maintain design systems, run UX research and usability testing, optimize for accessibility, responsiveness, and performance, and collaborate with product, engineering, and marketing on fintech investor flows.