Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Full Stack Engineer

twenty80.io

On-site, San Francisco

About the role

A San Francisco-based startup is seeking a versatile full-stack engineer to join its growing technology team. This role offers the opportunity to help scale the platform, build dynamic infrastructure, and implement practical AI solutions. You'll contribute directly to products used daily by engaged users, making your work immediately visible and impactful.

Key Responsibilities
  • Lead feature development from initial concept through design, implementation, testing, and deployment.
  • Define, enforce, and improve coding standards, architecture guidelines, and testing practices across the engineering team.
  • Mentor colleagues and advocate best practices in software development and collaboration.
  • Work closely with users and stakeholders to clarify requirements and translate them into functional, high-quality products.
  • Build and maintain scalable backend systems using modern frameworks, databases, and cloud platforms.
  • Develop responsive, intuitive front-end interfaces using contemporary frameworks, languages, and design systems.
  • Write clean, maintainable, and reliable code with minimal supervision.
  • Make strategic technical decisions, refine workflows, and optimize processes for efficiency and scalability.
  • Operate effectively in a fast-moving environment, delivering results while continuously learning and iterating.
Requirements
  • Have 2-6 years of experience in full-stack development, including ownership of features, products, or system improvements.
  • Be proficient across backend and frontend technologies, with the ability to connect databases, APIs, and user-facing interfaces.
  • Maintain high standards for both technical quality and user experience.
  • Demonstrate independent leadership on projects and initiatives.
  • Be recognized as a technical resource, able to guide team practices and set engineering standards.
  • Thrive in ambiguous or rapidly evolving environments, solving problems with limited guidance.
  • Possess strong instincts for product design, quality, and continuous improvement.
Backend
  • Python and modern web frameworks
  • Relational databases (e.g., PostgreSQL)
  • Cloud-based infrastructure and deployment
  • RESTful and GraphQL API design
  • System architecture and scalability planning
Frontend
  • Modern JavaScript frameworks (React, TypeScript, Next.js)
  • CSS frameworks and UI component libraries
  • State management (Redux, React Query, or similar)
  • Performance optimization and accessibility best practices
General
  • Testing frameworks and tools (Jest, React Testing Library, Cypress, Playwright)
  • Code review, documentation, and engineering workflow practices
  • Familiarity with analytics for driving product decisions
Preferred Attributes
  • Experience contributing as an early engineer in a high-growth team or startup.
  • Built internal systems, dashboards, or engineering tools for broad use.
  • Mentored colleagues or led engineering initiatives.
  • Developed or improved design systems.
  • Interest in AI, digital platforms, or automation.
  • Open-source contributions or personal projects.
  • Collaborates effectively with design and product teams to influence user experience.
Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Full Stack Engineer in San Francisco, CA vacancy
  •  ...leading expert on the products you build. We look for world-class engineers who have both a vision for the product but also the ability...  ...code. Responsibilities Build and maintain the full product stack (React, Django, PostgreSQL) Design and scale backend APIs... 
    Suggested
    Full time

    Bobyard

    San Francisco, CA
    2 hours ago
  •  ...clients Location: San Francisco (On-sit) Experience: 2–8 years Stage: Seed → Series B Role Type: Early hire / founding engineer Why This Role Exists You’ll help build the core product from the ground up. This is a hands-on role for someone who loves shipping... 
    Suggested
    Full time

    Weekday

    San Francisco, CA
    9 hours ago
  •  ...You turn a compelling prototype into the production system a customer actually runs on. Full-stack, at a pace that is not normal. This is a high-agency engineering role with unusual variety: every engagement brings a different industry, workflow, and technical problem.... 
    Suggested
    Full time

    Ciridae

    San Francisco, CA
    9 hours ago
  • $750 per month

     ...consolidate the core processes that govern 60% of every health system’s P&L.   About the role We're hiring for a Full-Stack Engineer to work closely with co-founders and early customers to ship product and iterate fast. In this role, you have the opportunity... 
    Suggested
    Full time
    Work at office

    Vitalize Care

    San Francisco, CA
    9 hours ago
  •  ...the United Nations, UChicago, and Oxford engineers and researchers. Our omnichannel agents...  ..., and performance across the stack Collaborate closely with design, ops,...  ...Minimum Qualifications: At least 2 years of full time professional, non-internship experience... 
    Suggested
    Full time
    Internship
    Worldwide

    Krew

    San Francisco, CA
    2 hours ago
  • $140k - $220k

     ...himself. Our Head of AI has been doing AI research at MIT and Caltech for over 10 years. And our Head of Engineering was one of the earliest engineers at Figma. Full Stack Engineer Responsibilities Taking ownership of the entire product lifecycle—from initial... 
    Full time

    Maxai

    San Francisco, CA
    9 hours ago
  •  ...Senior Full Stack Engineer (React / Next.js) At some point in the future, every business will answer their phone with voice AI. We are making sure that when they build that AI agent, the experience of doing so doesn’t suck. We’re growing incredibly fast and need someone... 
    Full time
    Work at office

    Phonely

    San Francisco, CA
    9 hours ago
  • $80k - $170k

     ...Navier AI is building the next generation of engineering design and analysis tools. Engineering...  ...building a modern engineering software stack from the ground up. We're building the software...  ..., cars, and electronics. The Role: Full Stack Engineer As a Full Stack... 
    Full time

    Navier AI

    San Francisco, CA
    9 hours ago
  • $150k - $220k

     ...category that will change how enterprises work. Welcome to the data layer of the future. Fluency is looking for a next-level full-stack engineer to build the autonomous enterprise. You'll be working on problems that have no established solutions . We're... 
    Full time
    Remote work
    Relocation

    Fluency

    San Francisco, CA
    9 hours ago
  •  ...Our mission is to give leaders clarity and engineers time. We help leaders understand how...  ...that deliver true value. Our technology stack: Typescript/React (front-end), Golang (...  ...others) Qualifications ~4+ years of full-stack software development and architecture... 
    Odd job
    Full time

    Macroscope Inc

    San Francisco, CA
    9 hours ago
  •  ...reviews, technical design discussions, and cross-team coordination to maintain engineering standards. Skills, qualifications and experience we look for At least 3 years of full-stack software engineering experience Strong proficiency in modern frontend frameworks... 
    Full time
    Work at office
    Worldwide
    3 days per week

    Plaud

    San Francisco, CA
    9 hours ago
  •  ...David AI was founded in 2024 by a team of former Scale AI engineers and operators. In less than a year, we’ve brought on most FAANG...  ...cutting-edge generative audio models. About this role As a Full Stack Engineer at David AI, you'll build cutting-edge tools that... 
    Full time
    Work at office

    David AI

    San Francisco, CA
    9 hours ago
  •  ...About the team You will be joining Atlas, our Continuous Engineering team. Our focus is keeping existing customers successful: we take...  ...improvements, with many more planned. This is a genuinely full-stack role. Depending on current priorities, you may spend some... 
    Full time
    Flexible hours

    Sift

    San Francisco, CA
    9 hours ago
  • $140k - $180k

     ...Wanna join the adventure?   Loft Orbital is looking for a Senior Full‑Stack Engineer to join our Oort team. Oort is our central web platform—a unified environment that consolidates all infrastructure data and tools, empowering Loft to streamline, integrate, and... 
    Full time

    Loft Orbital Solutions

    San Francisco, CA
    9 hours ago
  •  ...sustainable. About the role:  As an early engineer, you'll receive generous equity compensation Full-time role at our San Francisco, CA office Flexible...  ...You are comfortable working on all parts of the stack. Bonus Points: Prior experience building web... 
    Full time
    Work at office
    Flexible hours
    Weekend work

    Orchard Robotics

    San Francisco, CA
    9 hours ago
  • $150k - $220k

    Job description: Founding Full Stack Engineer Applied AI company - San Francisco, In-Office)Applied AI startup is hiring Founding Full Stack Engineers to build the core platform from the ground up. The company is developing autonomous AI agents that automate key business... 
    H1b
    Work at office
    Visa sponsorship

    Affinity Executive Search

    San Francisco, CA
    2 days ago
  •  ...management support.Debug and resolve production issues across the stack, with a focus on reliability, performance, and customer impact....  ....Minimum requirements6+ years of professional software-engineering experience. We are open to candidates across a range of seniority... 
    Worldwide

    Stripe

    San Francisco, CA
    1 day ago
  • $190k - $250k

    TITLE: Sr. Full Stack DeveloperENVIRONMENT: DefenseLOCATION: Washington, D.C. NYC, New York or San Francisco, CACOMPENSATION RANGE: $19...  ...sponsorshipPOSITION SUMMARY: We are looking for a Senior Full Stack Engineer with 7+ years of experience to own and evolve the frontend... 

    Client Growth Resources

    San Francisco, CA
    9 hours ago
  • $166.6k - $208.3k

     ...through the skies. It embodies the elegance of simplicity in engineering, transforming the demanding task of controlling an aircraft into...  ...group is growing and we’re looking to hire senior full-stack engineers. We’re a team of pragmatic, product-minded engineers... 

    Mercury

    San Francisco, CA
    2 days ago
  • $139k - $257.55k

    About the RoleWe are seeking a Full-Stack Software Engineer to help develop and scale a creative platform for design-intensive workflows. This role sits at the intersection of rich, interactive frontend experiences and high-performance, resilient backend systems, spanning... 
    Full time
    Temporary work
    Local area
    Worldwide

    Adobe Systems

    San Francisco, CA
    3 days ago
  • $161k - $210k

    Senior Software Engineer Dealpath is the AI-powered operating system for institutional real estate investing — purpose-built to help the world's leading firms capture more opportunities, make faster decisions, and execute with precision. As a Senior Software Engineer here... 
    Casual work
    Immediate start

    Dealpath

    San Francisco, CA
    4 days ago
  • Job Opportunity We would love to get to know you – we think we could have a ton of fun together! But that aside, we offer: Competitive early stage equity and salary Health insurance benefits 100% covered by us An incredible office in the heart of San Francisco...
    Work at office

    Learn

    San Francisco, CA
    1 day ago
  • $141.9k - $190.3k

    Job Posting Title:Senior Full Stack Engineer - Ad DecisioningReq ID:10152769Job Description:Technology is at the heart of Disney’s past, present, and future. Disney Entertainment and ESPN Product & Technology is a global organization of engineers, product developers, designers... 
    Full time
    Work experience placement
    Work at office

    Hulu

    San Francisco, CA
    1 day ago
  •  ...Actively collaborate and share responsibilities with other teams including mentoring junior team members Act as an active stakeholder for our web platform as we realign to meet business needs 8+ years of engineering experience including developing large scale Node.... 

    Software Technology Inc

    San Francisco, CA
    3 days ago
  •  ...Full Stack Engineer This role is for one of the Weekday's clients Salary range: $180k - $250k Experience: 6+ YoE We are seeking an experienced Full Stack Engineer with a strong background in AI-driven application development, Python, TypeScript, and ETL pipelines... 
    Weekday work

    Weekday

    San Francisco, CA
    3 days ago
  •  ...backed by prominent investors like Foundation Capital and a rapidly growing customer base. About the Role Join our engineering team as a full-stack or back-end developers at Campfire, you'll be the architect behind building our mission-critical software to delight... 
    Summer work
    Work at office

    Campfire Software, Inc

    San Francisco, CA
    1 day ago
  • $175k - $220k

     ...Product Minded Full Stack Software Engineer We're looking for a product minded Full Stack Software Engineer who thrives at the intersection of product, engineering, and experimentation. We're a small talented team still in the early days of building, and your contributions... 

    Satori Digital

    San Francisco, CA
    5 days ago
  •  ...paired with incentive tooling. Our platform enables our customers to turn stored value and loyalty programs into a powerful growth engine that increases customer retention, drives repeat purchases, and boosts margins, all without the cost and complexity of building it... 
    Full time
    Local area
    Relocation

    Ansa

    San Francisco, CA
    9 hours ago
  • $160k - $280k

     ...structuring that data so models and agents can actually use it. Real operational context, not synthetic benchmarks. As a Full Stack Engineer, you'll focus on the backend and product systems that make this usable in production. You'll design workflow data models,... 

    techire ai

    San Francisco, CA
    4 days ago
  •  ...believe it's our duty to help our public servants reignite the American Dream, one city at a time. Who You Are You are a full stack engineer that wants to own and execute on core projects like: Design/scale a horizontal AI agent that works across all... 
    Local area

    Prophecy Gov Inc

    San Francisco, CA
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Full Stack Engineer. Be the first to apply!