Talent.com
Senior Full Stack Engineer
Senior Full Stack EngineerStackAI • San Francisco, CA, United States
Senior Full Stack Engineer

Senior Full Stack Engineer

StackAI • San Francisco, CA, United States
[job_card.30_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
[job_card.job_description]

About StackAI

StackAI is a no-code AI workflow platform that empowers companies to build, deploy, and scale AI-powered workflows without needing deep ML expertise. With thousands of users and rapidly growing enterprise adoption, our mission is to democratize access to LLMs and bring AI into the hands of every business operator, not just developers. Backed by Y Combinator and leading investors, we’re building the foundational platform for the AI-driven future of work .

The Role

As a Senior Full Stack Engineer , you’ll play a central role in shaping StackAI’s product and technical foundation. You’ll work across the stack, designing scalable backend systems, building beautiful and intuitive frontend experiences, and integrating cutting-edge AI models into our platform. This is a high-impact role where you’ll collaborate directly with the founding team, take ownership of critical product features, and help define the engineering culture of a fast-growing startup.

We’re looking for true 10X engineers , builders who can deliver daily in a fast-paced environment, remain curious, and thrive wearing multiple hats.

Responsibilities

  • Build and own our platform end-to-end, from backend services and APIs to frontend interfaces.
  • Develop robust, scalable backend systems using Python and FastAPI (or similar), with well-optimized databases (SQL / NoSQL).
  • Design and maintain high-quality user interfaces in React, Next.js, TypeScript, and Tailwind CSS, delivering intuitive, polished, and responsive user experiences.
  • Integrate new AI models and features into our products, ensuring seamless performance and value for users.
  • Own StackAI’s landing page and product pages, making them benchmarks of clarity, design, and quality.
  • Work across the stack to connect backend services with frontend experiences seamlessly.
  • Collaborate with design, product, and customers to refine product direction and prioritize user needs.
  • Stay ahead of the curve on full-stack technologies, advocating for best practices and innovative approaches.
  • Pitch in with customer support when needed; everyone on the team helps our users succeed.

Required Skills and Qualifications

  • Strong proficiency in Python (FastAPI or similar frameworks).
  • Expertise in React, Next.js, TypeScript, CSS , with bonus points for Tailwind CSS.
  • Solid understanding of database design and optimization (SQL / NoSQL, Supabase, SQLAlchemy).
  • Hands-on experience with AWS (EC2, S3, RDS, Lambda) and cloud-native architecture.
  • Familiarity with Docker, Kubernetes , and containerized deployments.
  • Proven track record building and scaling backend systems and frontend applications.
  • Strong problem-solving skills, attention to detail, and a user-first mindset .
  • Excellent communication and collaboration skills in a startup environment.
  • Preferred Qualifications

  • Experience with retrieval-augmented generation (RAG) pipelines , embeddings, or large-scale data processing.
  • Understanding of AI model integration across backend and frontend use cases.
  • Familiarity with modern frontend build pipelines and tools .
  • Knowledge of SEO principles for performance and discoverability.
  • A passion for AI and technology, eager to thrive in a dynamic, fast-paced startup .

    #J-18808-Ljbffr

    [job_alerts.create_a_job]

    Senior Stack Engineer • San Francisco, CA, United States

    [internal_linking.similar_jobs]
    Senior Software Engineer, Full-Stack - Scale GP

    Senior Software Engineer, Full-Stack - Scale GP

    Scale AI, Inc. • San Francisco, CA, United States
    [job_card.full_time]
    Scale GP (Scale Generative AI Platform) is an enterprise-grade Generative AI platform providing APIs for knowledge retrieval, inference, evaluation, and more. We are seeking a strong Senior.The idea...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Senior Software Engineer, Full Stack

    Senior Software Engineer, Full Stack

    Honey Homes • Oakland, CA, US
    [job_card.full_time]
    Honey Homes makes homeownership effortless.We proactively handle members’ everyday to-dos, ongoing maintenance, and surprise repairs by pairing each member with a dedicated handyperson and a ...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Senior Full Stack Engineer

    Senior Full Stack Engineer

    UnifyID (acquired by Prove) • Redwood City, CA, US
    [job_card.full_time]
    About Prove (acquired UnifyID).Prove is the modern platform for continuous identity authentication and is used by over 1,000 enterprises and 500 financial institutions, including 9 of the top 10 U....[show_more]
    [last_updated.last_updated_30] • [promoted]
    Full Stack Engineer

    Full Stack Engineer

    The Recruiting Guy • San Francisco, CA, US
    [job_card.full_time]
    If this role is still posted then we are still recruiting and needing applications.Full Stack Engineer (Founding).Must live within commuting distance of San Francisco or be willing to relocate.We r...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Senior Full Stack Engineer ($150k-$200k + Equity) at an early-stage healthcare AI startup

    Senior Full Stack Engineer ($150k-$200k + Equity) at an early-stage healthcare AI startup

    Jack & Jill / External ATS • San Francisco, CA, US
    [job_card.full_time]
    This is a job that Jill is helping to recruit for on behalf of one of our customers.Senior Full Stack Engineer ($150k-$200k + Equity) at an early-stage healthcare AI startup.Early-stage healthcare ...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior Full Stack Engineer - Agentic AI Startup

    Senior Full Stack Engineer - Agentic AI Startup

    Ninjatech Ai • SF Bay Area, CA, USA, California, United States
    [job_card.full_time]
    We invite you to join NinjaTech AI as a.Senior Full Stack Software Engineer.AI agents : our technology that doesn't just assist, but actually executes complex tasks end-to-end.Why this opportunity i...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Senior Software Engineer - Full Stack Web

    Senior Software Engineer - Full Stack Web

    Zoox • Foster City, CA, US
    [job_card.full_time]
    The Software Systems Infrastructure team is responsible for aiding the Software Systems organization with all its internal tooling needs, development processes and ensuring that all safety-critical...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Full Stack Engineer

    Full Stack Engineer

    Magnus Medical • Burlingame, CA, US
    [job_card.full_time]
    Salary : $130,000 - $145,000 Annually.Director, Software Engineering.Magnus) is an innovative company that has developed and commercialized a SaaS-based offering to provide a FDA-cleared, personaliz...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior Fullstack Engineer

    Senior Fullstack Engineer

    NimbleRx • Redwood City, CA, US
    [job_card.full_time]
    We are starting by building the largest, most loved pharmacy business in the world.We are a fast-growing, technology-first startup driven by perfecting the patient and pharmacist experience.Nimble ...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior Full Stack Engineer

    Senior Full Stack Engineer

    HumanSignal • San Francisco, CA, US
    [job_card.full_time]
    The future of AI — whether in training or evaluation, classical ML or agentic workflows — starts with high-quality data.At HumanSignal, we're building the platform that powers the c...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Full Stack Engineer

    Full Stack Engineer

    Care Dynamics, LLC • San Francisco, CA, US
    [job_card.full_time]
    Join a fast-growing AI automation startup that’s transforming how enterprises build and scale intelligent workflows.San Francisco (Mission District). You’ll collaborate with a small, hig...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior Full Stack Engineer - Product

    Senior Full Stack Engineer - Product

    World Labs • San Francisco, California, United States
    [job_card.full_time]
    At World Labs, our mission is to revolutionize artificial intelligence by developing Large World Models, taking AI beyond language and 2D visuals into the realm of complex 3D environments, both vir...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior Full Stack Engineer

    Senior Full Stack Engineer

    LegalOn Technologies • San Francisco, CA, US
    [job_card.full_time]
    LegalOn Technologies is a global leader in legal AI solutions, trusted by more than 7,000 companies and law firms worldwide. Our software empowers legal teams to review and negotiate contracts faste...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior Full-Stack Engineer

    Senior Full-Stack Engineer

    Orchard Robotics • San Francisco, CA, US
    [job_card.full_time]
    Series A startup backed by top VCs like Quiet Capital, Shine Capital, and General Catalyst.We're securing America’s food supply by building the AI farmer that automates our nation’s...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Full-Stack Engineer

    Full-Stack Engineer

    Aline Lerner • San Francisco, CA, US
    [job_card.full_time]
    We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment te...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior Full Stack Software Engineer

    Senior Full Stack Software Engineer

    Zipline • South San Francisco, CA, US
    [job_card.full_time]
    Do you want to change the world? Zipline is on a mission to transform the way goods move.Our aim is to solve the world's most urgent and complex access challenges by building, manufacturing and...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior Software Engineer - Full Stack, Technical Lead

    Senior Software Engineer - Full Stack, Technical Lead

    Baton (A Ryder Technology Lab) • San Francisco, CA, US
    [job_card.full_time]
    With $10B in freight under management, our technology reaches every part of the U.We design and ship category-defining software that enables Ryder and its 50,000+ customers—including some of ...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior Software Engineer, Full Stack

    Senior Software Engineer, Full Stack

    Chef Robotics • San Francisco, CA, US
    [job_card.full_time]
    Chef Robotics is on a mission to accelerate the advent of intelligent machines in the physical world.As the rise of LLMs like ChatGPT has shown, AI has the potential to drive immense change.However...[show_more]
    [last_updated.last_updated_30] • [promoted]