Founding Software Engineer (San Francisco)
Multiply
Company Description Kalos is an early stage, high-growth startup based in San Francisco, CA. We built Blue – an AI Agent that is the world's best performance marketer. Blue works 24/7 to build and optimize ad campaigns to help our customers grow faster. We are 5 people, and you'd be #6 on the team. Our early customers include well-known Silicon Valley tech companies, including multiple unicorns. We have more demand than we've been able to service. We're hiring on many fronts and it's time to go faster. Role Description As a founding engineer, you won’t just write code — you’ll help shape product, culture, and the trajectory of the company. You'll have an important voice in our technical stack, direction, and vision. This is a full-time Software Engineering role. The current team is in San Francisco, and this role is in person at Kalos HQ. We work hard and we know we're building a generational company. If you're looking for the ride of a lifetime, this might just be what you're looking for. What you'll do You will build new features 0 ->1 fast and iterate across our product based on customer feedback Own and ship core product features end-to-end across our AI agent, integrating LLMs and and building workflows to delivering great UX Collaborate directly with the founders on product vision, roadmap, and architecture Lay the foundations for engineering culture, tooling, and processes Help build and mentor the early team as we scale Qualifications 4-10 years experience building software with a strong track record and ability to work full-stack Startup mindset — resourceful, sharp, and entrepreneurial, who is excited to take early ownership Love to move fast, to learn, and to always-be-improving Experience using LLMs in production and interest in staying at the cutting edge of AI Experience in designing and building scalable systems. Knowledge of modern software engineering practices and frameworks You care deeply about users and love shipping polished, impactful work Strong product intuition — you think beyond the code #J-18808-Ljbffr
$130k - $180k
...is a Delaware-incorporated, San Francisco-based company pushing the boundary... ...through a hardware–software combination. With SOC 2, HIPAA... ...Qualifications Strong backend engineering and platform system... ...international partners What We Offer Founding Team: Opportunity to join...SuggestedFull timeWork at officeWorldwide$200k - $250k
...Founding Backend Engineer, On-site — San Francisco, CA Location: San Francisco, CA Schedule: In office, five days per week A well funded seed stage AI company... ...automate complex workflows inside real enterprise software. The team is developing the platform, infrastructure...SuggestedWork at officeImmediate start$160k - $210k
Alpha Associates Recruitment is seeking a Founding Engineer in San Francisco, working for an early-stage startup that enhances access to therapy for... ...-solving using AI. Candidates should have 2+ years of software engineering experience, familiarity with AI, and startup...SuggestedWork at office$175k - $285k
...is a Delaware-incorporated, San Francisco-based company pushing the boundary... ...through a hardware–software combination. With SOC 2, HIPAA... ...Core Development & Delivery : Engineer and deliver vertical Agent... ...delivery impact What We Offer Founding Team: Opportunity to join...SuggestedFull timeWork at officeWorldwide- ~ Senior Software Engineer (Rust) at Symbolica – San Francisco, US Senior Software Engineer (Rust) at Symbolica – San Francisco, US About Us Symbolica... ...feedback loop, where research fuels application. Founded in 2022, we’ve raised over $30M from leading Silicon...SuggestedWork at officeShift work
- ...solutions others haven't seen. Senior Software Engineer, Backend What happens when your... ...company match (US) Either in-person in San Francisco, or remote in US or Canada Employee discount... ...with a dedicated and experienced founding team Why You'll Love Working at Short...Remote work
$180k - $220k
Founding Mobile Engineer (React Native / iOS) Onsite - San Francisco (Pac Heights) · Full-time · $180K-$220K + Equity About the Opportunity G2i is partnering with a fast-growing, early-stage startup to hire a Founding Mobile Engineer . This is a rare opportunity to join...Full timeH1bImmediate startFlexible hours$166k - $225k
...Senior Software Engineer - Database Engine Internals P-97 Our mission at Databricks is to radically simplify the... ...analytics and AI. Databricks is headquartered in San Francisco, with offices around the globe and was founded by the original creators of Lakehouse, Apache...Permanent employmentContract workFor contractorsFor subcontractorWork at officeLocal areaWorldwideRelocationWork visa$165k - $240k
...About Levelpath: Founded in 2022 and backed by some of the... ...revolutionize the modern procurement software industry and make it... ...that haven't been solved. Engineering at Levelpath: We... ...person, located in downtown San Francisco. In this role you will have...$140k - $190k
...Fullstack Software Engineer Location : San Francisco (Hybrid - In-person 2-3 days per week) Compensation : $140,000 - $190,000 + Meaningful Equity About HomeVision HomeVision is building the next generation of AI-powered software for the $13 trillion mortgage...Work at officeRelocationFlexible hours2 days per week3 days per week$175k - $225k
...About the job AI / LLM Software Engineer - onsite in San Francisco AI/LLM Systems Software Engineer Location: San Francisco, CA Work Type... ...Sponsorship: Not available The Role As a founding engineer, you'll design and build core systems from the...Full time$135k - $236.25k
...Microsoft 365—all within 90 seconds. Based in San Francisco, CA, Rippling has raised $1.4B+ from... ...the IT Product Team The IT Product Engineering team is critical to unifying Rippling's... ...administration. Our mission is to build software that enables businesses to manage...Work at officeRemote work3 days per week$300k - $405k
...group of committed researchers, engineers, policy experts, and... ...the Role As a Full-Stack Software Engineer in RL, you'll build... ...waiting for a ticket Have found yourself wondering "why isn'... ...corporation headquartered in San Francisco. We offer competitive compensation...Work at officeVisa sponsorshipFlexible hoursShift work$145k - $195k
...Platform Engineer – Reliability & Scale at LangChain – San Francisco, CA About LangChain At LangChain, our mission is to make... ...across their organization. Founded in 2023, LangChain powers top engineering... ...proficiency : Strong hands-on software engineering skills (Python, Go,...- ...Location: San Francisco Bay Area, CA Overview The Forward Deployed Software Engineer (FDSE) will be the ultimate problem solver, an elite member of First Resonance's "Delta" FDSE, being deployed to our customers' sites to overcome their most demanding challenges. In this...Work experience placementWork at officeFlexible hours
- ...We raised a $250M Series C to build the search engine for AIs. Led by a16z, with existing investors Benchmark, Lightspeed, and YC... ...enterprise customers need. This is an in-person opportunity in San Francisco. We're happy to sponsor international candidates (e.g., STEM OPT...H1b
$196k - $294k
...enablement. You will collaborate closely with a team of talented engineers to create durable, observable, and fault-tolerant tools that... ...and a WFH budget for you to outfit your space as needed. The San Francisco, CA base pay range for this role is $196,000-$294,000. Actual...Work from homeFlexible hours$140k - $175k
...Please note this is for San Francisco, CA, United States. You only need toapply to one location if there are multiple listed for the job... ...chapter: Unwinding years of Salesforce-bound logic into modern, engineering-owned backend services. Integrating best-in-class vendors...Full timeWork at officeLocal area$196k - $294k
...things. We're looking for a Full Stack Engineer to build the Vercel Dashboard, the control... ...About You 4+ years of experience as a software engineer building user-facing products.... ...in the React or Next.js ecosystem The San Francisco, CA base pay range for this role is $19...- ...This role requires a hybrid schedule in San Francisco (3 in‑office days per week). What You’... ...permitting workflows into seamless, AI‑enabled software experiences. Design and implement... ...production deployment. Help establish engineering best practices and contribute to a...For contractorsWork at officeHome officeFlexible hours3 days per week
- ...- Bachelor's preferred - 5 to 7 Years work experience as software engineer - Java - Python - Full-stack software engineering... ...characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance...Work experience placementSelf employmentWork at officeRemote work
- ...Software Engineer - Nexus OS Software Engineer - Nexus OS job at Nexus. San Francisco, CA. Nexus is innovating at the intersection of artificial intelligence, blockchain, and zero-knowledge cryptography to build a Layer 1 for the AI era. Our team of world-leading experts...
$168k - $210k
...Senior Software Engineer, Data Engineering Location: San Francisco, CA, United States. We’re building a world where value moves like information does today. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving...Full timeLocal area- ...Software Engineer, Intern job at Mercor. San Francisco, CA. About Mercor Mercor is at the intersection of labor markets and AI research. We partner with leading AI labs and enterprises to provide the human intelligence essential to AI development. Our vast talent network...Full timeInternship
- ...Orb is transforming how modern AI and software companies monetize at scale. We've built... ...as a team. About the role: As an early engineer at Orb, you’ll help to build the technical... ...to shape the Orb product Based in the San Francisco Bay Area or willing to relocate (with...Work at officeRemote workRelocation3 days per week
- ...Posting Orb is redefining what billing software can be, turning one of the most complex... ...do. About the Role As an early engineer at Orb, you'll help to build the... ...shape the Orb product ~ Based in the San Francisco Bay Area or willing to relocate (with support...Work at officeRemote workRelocation3 days per week
- ...starts with a query. Our in‑house OLAP engine, Nova, processes trillions of events in... ...dramatically. We’re looking for a Senior Software Engineer who wants to go deep on the engine... ...or sexual orientation. Pursuant to the San Francisco Fair Chance Ordinance, we will consider...WorldwideHome officeFlexible hours
$150k - $200k
...Revic AI is hiring a Founding Engineer to build the context and orchestration layer for AI‑first revenue software. You’ll transform messy GTM data into a collective memory,... ...continuous learning. Location: Hybrid in San Francisco, New York City, or Vancouver (3 days in‑...Work at officeRemote work$248.4k - $310.5k
...Software Engineer - Robotics & Autonomous Systems Scale's Robotics business unit is dedicated to solving the data bottleneck in Physical... ...salary range for this full-time position in the location of San Francisco is: $248,400 — $310,500 USD PLEASE NOTE: Our policy...Full time$8k - $20k
...We're a San Francisco-based Kiwi startup, backed by leading San Francisco investors like NextView... ...tools with AI. You won't be waiting on engineering for instrumentation. Fluent with AI... ...Meaningful equity - significant founding-employee equity package Full Healthcare...Work at officeImmediate start
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