Full Stack Engineer Jobs in San Francisco, USA

Full Stack Engineer at Mem0. Apply via Ashby.

Full Stack Engineer (Contractor) - Palo Alto at Plaud. Apply via Ashby.

<div> <p>It’s time that payments work for merchants, not the other way around. Ansa is building a branded wallet solution to increase customer retention and unlock new growth opportunities.</p> <p>Ansa helps innovative and growing companies by providing an enterprise-grade, white-label stored value wallet platform 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 in-house.</p> <p>We’re seeking a Backend Engineer who wants end-to-end ownership of core backend systems and the chance to have an outsized impact on a product used by fast-growing consumer brands. You’ll make meaningful architectural decisions and work closely with leadership to influence both product and technical strategy. Does this sound like you? Let's chat!</p> <p> </p> </div> <div>🤔 What you will be doing?</div> <div> <ul> <li>Scale our core ledger that tracks both digital and physical money movement.</li> <li>Scale our card network integrations that power in-store payments.</li> <li>Build and maintain complex reconciliation infrastructure to make sure we never lose a cent across our partner bank, payment processors, merchants, and card networks.</li> <li>Build and scale our financial reporting & accounting integrations that allow our merchants to close their books seamlessly.</li> <li>Design and maintain our payment APIs and SDKs that make for frictionless integration.</li> <li>Design and build features that prime us for enterprise-readiness, including SSO and RBAC.</li> <li>Design and ship products that help merchants drive end-user adoption and engagement, creating a flywheel of user spend (i.e. our incentives engine and analytics).</li> <li>Scale up our cloud infrastructure as we move towards fully containerized, blue-green deployment.</li> <li>Own end-to-end design, implementation, and release of features.</li> <li>Design and implement engineering processes.</li> <li>Prototype new ideas and iterate towards the ideal user experience.</li> <li>Contribute to our engineering infrastructure.</li> <li>Help grow our engineering team 🎉</li> </ul> <p>👋🏼 About you</p> <ul> <li>You have 6+ years of experience independently owning and driving scalable, impactful projects end to end.</li> <li>Based in the SF Bay Area (or willing to relocate!) and excited about working closely in-person with a tight-knit team.</li> <li>Innately curious and brave enough to consider new payment paradigms or verticals for applications, can navigate low information environments.<

<p>It’s time that payments work for merchants, not the other way around. Ansa is building a branded wallet solution to increase customer retention and unlock new growth opportunities.</p> <p>Ansa helps innovative and growing companies by providing an enterprise-grade, white-label stored value wallet platform 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 in-house.</p> <p>We’re seeking a Backend Engineer who wants end-to-end ownership of core backend systems and the chance to have an outsized impact on a product used by fast-growing consumer brands. You’ll make meaningful architectural decisions and work closely with leadership to influence both product and technical strategy. Does this sound like you? Let's chat!</p> <p> </p> <div>🤔 What you will be doing?</div> <div> <ul> <li>Scale our core ledger that tracks both digital and physical money movement.</li> <li>Scale our card network integrations that power in-store payments.</li> <li>Build and maintain complex reconciliation infrastructure to make sure we never lose a cent across our partner bank, payment processors, merchants, and card networks.</li> <li>Build and scale our financial reporting & accounting integrations that allow our merchants to close their books seamlessly.</li> <li>Design and maintain our payment APIs and SDKs that make for frictionless integration.</li> <li>Design and build features that prime us for enterprise-readiness, including SSO and RBAC.</li> <li>Design and ship products that help merchants drive end-user adoption and engagement, creating a flywheel of user spend (i.e. our incentives engine and analytics).</li> <li>Scale up our cloud infrastructure as we move towards fully containerized, blue-green deployment.</li> <li>Own end-to-end design, implementation, and release of features.</li> <li>Design and implement engineering processes.</li> <li>Prototype new ideas and iterate towards the ideal user experience.</li> <li>Contribute to our engineering infrastructure.</li> <li>Help grow our engineering team 🎉</li> </ul> <p>👋🏼 About you</p> <ul> <li>You have 2+ years of experience independently owning and driving scalable, impactful projects end to end.</li> <li>Based in the SF Bay Area (or willing to relocate!) and excited about working closely in-person with a tight-knit team.</li> <li>Innately curious and brave enough to consider new payment paradigms or verticals for applications, can navigate low information environments.</li> <li>Executi

<p><strong>WHO WE ARE</strong></p> <p><span data-contrast="none">Zeta Global (NYSE: ZETA) is the AI-Powered Marketing Cloud that unifies identity, intelligence, and omnichannel activation into a single platform – powered by trillions of consumer signals and one of the industry’s largest proprietary databases. Our enterprise clients use the Zeta Marketing Platform (ZMP) to personalize experiences at the individual level across every channel.</span><span data-ccp-props="{"201341983":0,"335559739":120,"335559740":276}"> </span></p> <p><strong>THE ROLE</strong></p> <p><span data-contrast="none">Our Vertical Applications team builds web applications that bring the power of ZMP to specific industries – Healthcare, Political, Retail, and more. Every vertical comes with its own fascinating challenges: unique compliance requirements, distinct data models, and workflows that genuinely matter to the people using them. It’s the kind of work where you get to learn new domains, solve real problems, and see your applications make a tangible impact.</span><span data-ccp-props="{"201341983":0,"335559739":120,"335559740":276}"> </span></p> <p><span data-contrast="none">You’ll own applications end-to-end: partner with product owners to define the problem, architect the backend, integrate with Zeta’s core platform, build the frontend, ship to production, and ensure operational excellence. We value clean, simple architectures, test-first development, and continuous delivery. AI-assisted development with tools like Cursor, Claude Code, Gemini and Codex is embedded in our everyday workflow, and we’re excited about what agentic engineering unlocks for both development velocity and software quality.</span><span data-ccp-props="{"201341983":0,"335559739":120,"335559740":276}"> </span></p> <p><strong><span data-contrast="none"><span data-ccp-parastyle="heading 1">What You’ll Do</span></span></strong><span data-ccp-props="{"335559738":360,"335559739":120,"335572079":4,"335572080":4,"335572081":7754266,"469789806":"single"}"> </span></p> <ul> <li data-leveltext="•" data-font="" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769242":[8226],"469777803":"left&a

Full Stack Engineer at Campfire. Apply via Ashby.

Full Stack Engineer - Customer Experience at Eightsleep. Apply via Ashby.

Full Stack Engineer, Command at Meter. Apply via Ashby.

<p> </p> <p><strong>Full Stack Engineer</strong></p> <h3>About Vultron</h3> <p>Vultron is building an AI-native platform to help companies identify, qualify, and win government contracts. We’re creating a new category of software purpose-built for the public sector growth stack — one that connects intent, context, and action into a unified workflow.</p> <h3>About the Role</h3> <ul> <li>Department: Engineering</li> <li>Location: San Francisco, CA</li> <li>Type: Full-time, this is an onsite role (5 days a week)</li> </ul> <p>We’re looking for a <strong>Full Stack Engineer </strong>to design and enhance the core platform that powers Vultron’s intelligence engine. Collaborate with cross-functional teams to revolutionize government contracting and procurement workflows. Address complex engineering issues in applying Large Language Models (LLMs) to real-world data. Work closely with customers to rapidly improve user experience, performance, and security. Play a vital role in expanding and mentoring our early engineering team.</p> <h3>What You'll Do</h3> <p>As a key member of Vultron, you will:</p> <ul> <li>Develop and Refine Products: Build and enhance our core platform to support complex customer needs.</li> <li>Make an Impact: Collaborate with our teams to revolutionize government contracting and procurement operations.</li> <li>Solve Unprecedented Challenges: Address complex issues in applying LLMs in government-related settings.</li> <li>Rapid Iteration: Iterate closely with customers to improve user experience, performance, and security.</li> <li>Grow With Us: Play a vital role in expanding our engineering team.</li> </ul> <h3>Required Qualifications</h3> <ul> <li>0-4 years of software engineering experience. We are open to recent college graduates candidates who demonstrate exceptional technical depth.</li> <li>Proficiency in Typescript, React, NextJS, and other web technologies.</li> <li>Proficiency in a backend language (eg. Python).</li> <li>Experience with relational databases like Postgres.</li> <li>Proven track record in developing exceptional software, especially in enterprise.</li> <li>Prior experience in AI and large language models is a plus but not mandatory.</li> <li>Extreme care about the end user experience and take pride in building exceptional products.</li> <li>Demonstrated passion for start-ups or early-stage companies.</li> <li>Open to front-end or back-end specialization, but versatility across the stack is essential.</li> <li>UI/UX and product design experience is advantageous, particularly for front-end focused roles.</li> </ul> <h3

<p>We are hiring for one of our ecosystem projects, an innovative AI and Web3 company building an Ethereum Layer 2 solution integrated with advanced AI agents. As the first engineer dedicated to this initiative, you will play a pivotal role in its development, with potential opportunities to build and lead a team in the future.</p> <p><strong>Key Responsibilities</strong></p> <ul> <li>Design and implement AI platforms, encompassing both front-end interfaces and back-end services.</li> <li>Collaborate with other developers and AI engineers on data preprocessing, model training, and optimization.</li> <li>Deploy AI models into production environments, ensuring performance, scalability, and reliability.</li> <li>Develop and maintain data processing pipelines to ensure data quality and consistency.</li> <li>Stay updated on AI technology trends, advocating for the integration of new technologies into our products.</li> <li>Contribute to other projects based on the company’s product development progress</li> </ul> <p><strong>Requirements</strong></p> <ul> <li>Bachelor’s degree or higher in Computer Science, Software Engineering, Artificial Intelligence, or a related field.</li> <li>5 years of full-stack development experience, proficient in both front-end and back-end technologies.</li> <li>Expertise in front-end and back-end technologies (especially Golang)</li> <li>Eager to explore and could use new technologies related to AI that help improve working efficiency</li> <li>Strong curiosity and willingness to explore new product directions, identify potential AI applications, and contribute to product innovation.</li> <li>Familiarity with Web3, blockchain, and the crypto industry, with insights into different product models and a personal perspective on industry trends and innovations.</li> <li>Excellent communication skills and a collaborative team spirit, with the ability to independently solve problems and take initiative.</li> </ul> <p><strong>Preferred Qualifications</strong></p> <ul> <li>Knowledge in data processing and analysis will be a plus, with knowledge of SQL and NoSQL databases such as MySQL, PostgreSQL, or MongoDB.</li> <li>Experience in deploying and optimizing AI agent</li> <li>Experience contributing to open-source projects</li> <li>Build high-performance APIs and microservices to support large-scale Web3 application</li> <li>Familiarity with large-scale data processing technologies such as Hadoop or Spark.</li> </ul>

About Kiddom Kiddom is a groundbreaking educational platform that promotes student equity and growth by uniting high-quality instructional materials with dynamic digital learning. Through unparalleled curriculum management functionality, Kiddom empowers schools and districts to take ownership of their curriculum – resulting in learning experiences tailored to meet the unique needs and goals of local communities. Kiddom’s high-quality curriculum is layered with robust teacher and leader data insights to drive the continuous improvement of instructional decisions, school/district programming, and professional learning. We’re looking for a Senior Full Stack Engineer to join our AI Experience Pod - the team responsible for Kiddom’s flagship AI-powered experience. AI Experience leverages AI to build technology enabling all teachers and learners to unlock their full potential. This role focuses on building intuitive, performant, and AI-enhanced interfaces that create a delightful AI Experience for educators and students.   You’ll work within a small, agile team of 3–4 engineers, collaborating closely with product, design, and data partners. This role is ideal for someone who is deeply AI-native - an engineer who uses AI tools daily to accelerate development, improve code quality, and meaningfully integrate AI into user-facing experiences. You should thrive in ambiguity, enjoy complex technical challenges, and be motivated by building transformative, AI-first products for educators and students.

Full Stack Engineer at Factory. Apply via Ashby.

Full Stack Engineer, Scientific AI Models at Benchling. Apply via Ashby.

Senior Full Stack Engineer at Sphere. Apply via Ashby.

Full Stack Engineer, Product & Systems at Lightfield. Apply via Ashby.