Top Tech Jobs & Startup Jobs in Austin, TX

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.

Support the sales team by conducting cold calls, generating leads, assisting with sales strategies, handling administrative tasks, maintaining customer databases/CRM, and collaborating to meet sales targets while gaining hands-on experience.

Volunteer WordPress Developer to migrate and maintain a content library, build new features, and create custom themes, plugins, and widgets. Work remotely for ~5+ hours/week, attend weekly meetings, and respond within 24 hours to support an active nonprofit volunteer team.

Volunteer to design, build, and maintain Discord bots using best practices. Write efficient JavaScript/TypeScript code, collaborate via Git/GitHub, respond within 24 hours, and commit ~5 hours/week for 2-3 months. US-based, remote, unpaid role with mentoring and developmental benefits.

Volunteer Discord moderator responsible for enforcing community guidelines, reviewing user content, answering member questions, fostering positive engagement, planning events, and supporting server growth. Attend biweekly meetings, respond to messages within 24 hours, contribute ideas to improve moderation and community dynamics, and help execute outreach and promotional plans. Minimum 8 hours/week for at least six months.

Develop and maintain ChartCheck, a full-stack application supporting radiotherapy plan checking and clinical workflows. Responsibilities include building performant WPF desktop software, DICOM integrations, image and dose visualization, DVH evaluation, architecture, testing, code reviews, and technical decision-making. The role collaborates with physicists and product leaders, mentors teammates, and requires front-end and back-end development across C#, .NET, JavaScript, databases, and cloud systems.

Builds and ships user-facing product experiences and integrations using low-code, no-code, and AI-assisted development tools. Translates stakeholder needs into maintainable solutions, integrates platform services and APIs, applies authentication, security, privacy, and compliance controls, and partners with Product, Architecture, DevOps, Security, and QA. The role also defines testing, telemetry, documentation, runbooks, acceptance criteria, and post-launch product health metrics.

Lead and coach the engineering team building AutoReview, an AI-powered mechanical design review product. Partner with Product on roadmap planning, feasibility, estimation, prioritization, and timelines. Maintain technical context to identify risks and dependencies, guide initiatives involving DFM checks, assembly analysis, and bulk workflows, and collaborate with applied ML teams. Establish clear ownership, support engineer autonomy, and help the team navigate evolving customer needs and AI technologies.

Provides empathetic, efficient customer support across multiple channels; documents interactions in CRM software; analyzes issues and proposes solutions; applies product knowledge to educate users; shares customer feedback and sentiment trends; develops support documentation; and supplies scenario-based input to train AI systems. Requires at least three years of professional customer support experience, strong communication and problem-solving skills, CRM proficiency, and experience managing complex cases.

Create and validate complex datasets for AI benchmark tasks, including files with malformed records, missing data, truncations, and inconsistent formatting. Define correct final states, write detailed grading rubrics, and assess AI outputs for accuracy and completeness. The role requires exceptional attention to detail, error detection, format reconciliation, accurate documentation, and clear asynchronous communication in regulated or audit-sensitive contexts.

Optimize GPU kernels using CUDA and profiling tools to improve computational throughput across modern hardware. Refactor C++ and CUDA code, implement GLSL and WebGPU shader workflows, analyze performance bottlenecks, document optimization findings, and collaborate with stakeholders on GPU-based approaches and metrics.

Build and lead airSlate’s B2B demand-generation function across SignNow and AltaFlow. Develop ABM, lead-generation, nurture, attribution, scoring, routing, and pipeline programs for SMB, mid-market, and enterprise buyers. Partner with Sales, RevOps, product marketing, campaign strategy, data, and technology leaders to establish targets, optimize funnel conversion, select the technology stack, and recruit and scale the team.

Design, develop, and maintain scalable Python applications; collaborate with cross-functional teams to deliver features; ensure performance and quality; identify and fix bugs; maintain code quality and automation; lead and mentor team members using agile practices.

Develop and maintain open-source Python frameworks and ML developer tools, architect scalable libraries, grow early-stage projects, build real-time streaming capabilities, integrate modern frontend technologies, and collaborate with open-source contributors and the broader developer community.