Founding Engineer: Build Core AI-Driven Systems (Go/React)
Raycaster
A tech startup in AI development in New York seeks a talented software engineer. The role involves maintaining core systems, building reliable end-to-end products, and addressing customer pain points through development. The ideal candidate has experience with distributed systems, a strong foundation in Go or Rust, and a keen sense of user experience. This position offers competitive compensation and founder-level equity, with a collaborative in-person work environment. #J-18808-Ljbffr
$160k - $205k
...Senior Backend Engineer Kinstead is building the AI-native operating system for independent healthcare... ...to build and own core backend systems... ..., and voice-driven workflows Integrate... ...predictably when things go wrong ~ Comfort... ...Experience with React or NextJS...ReactWork at office$214k - $245k
...Role Upside is building a new... ...that help our go-to-market teams... ...design and build AI-native systems that improve how... ...intersection of engineering, AI, and business... ...engineering as a core part of building... ...development (React/TypeScript plus... ...and modern API-driven architectures....ReactFull timeWork at officeFlexible hours- ...Role Type: Early hire / founding engineer Why This Role Exists You’ll design and build the systems that power the... ...infrastructure. You’ll be a core technical owner... ...and tooling Leverage AI developer tools to accelerate... ...(Django/FastAPI) or Go Solid React experience Proven...React
$200k - $260k
...finance company founded by senior... ...Rhythmic is building managed... ...fragmented systems. We believe... ...a Founding Engineer to lead the... ...authority over core platform decisions... ...Node.js, or Go, alongside React, relational... ...databases, event-driven systems, and... ...using AI-assisted development...ReactContract workFor contractors- ...Confido Health in New York is seeking a Design Engineer to build an AI-ready design system that will serve as a foundation for designers and developers.... ...engineering experience, strong expertise in TypeScript and React, and a passion for prototyping ideas rapidly. Confido...React
$125k - $200k
...job that Jill, our AI Recruiter, is... ...speak to Jack. Founding Engineer ($125K - $200K + Equity... ...startup, you will build an AI-powered... ...using TypeScript, React, and Node.js on cloud... ...pipelines and LLM-powered systems to parse... ...Jill? Ok, I'll go first. I'm Jack, an...ReactContract work- A cutting-edge AI company in the United States is looking for a Founding Growth Engineer to design and build the infrastructure that powers their revenue engine. This high-ownership... ...-functional teams to develop scalable systems for customer acquisition and revenue generation...Remote work
$135k - $165k
...countries. Nextdoor builds innovative... ...Neighbors As a GTM Engineer at Nextdoor, you’ll... ...engine - connecting systems, data, and workflows... ...pipelines to deploying AI-driven workflows, your... ...hiring team will go over these... ...Personnel Privacy Notice, found here . #J-18808-...Work at officeLocal areaWork from home- ...technology company is seeking an experienced software engineer to design and build AI-native systems that enhance revenue operations. The role involves developing... ...in full-stack development, particularly with React and TypeScript, and a great passion for applying AI tools...ReactWork at office
$180k - $220k
...NewtonX delivers AI-powered B2B insights... .... Now we're building AI systems to make that quality... ...role, you'll own the core LLM infrastructure... ...moderate proficiency in React, TypeScript, and... ...while maintaining engineering best practices... ...incredibly smart, driven people who are passionate...ReactImmediate startRemote workFlexible hours- HRB is seeking a Lead Founding Engineer & Architect to design and deliver core infrastructure and systems critical for growth. This role involves mentoring developers, shaping... ...with software engineering, deep expertise in React and Node.js, and a strong ownership mindset....React
- Confido is seeking a Design Engineer in New York, NY, to build an AI-ready design system from scratch. You will work closely with product and engineering teams to... ...of experience, strong skills in TypeScript and React, along with a substantial design background. This...ReactRelocation package
- ...Talentpluto is seeking a Founding Engineer in New York City to help define its technical direction and own significant parts of the product... ...particularly in TypeScript, JavaScript, and frameworks like React and Next.js. The opportunity also includes shaping engineering...React
- ...a project to build a global payment... ...of back‑end systems for a new... ...and blockchain engineers, you will leverage... ...as a core member in new... ...Challenge Since its founding in 2018,... ...TypeScript, Go, Rust, Perl,... ...end frameworks React, Vue, Angular... ...profile Business‑Driven Technical...React
$153k - $179k
...tracked. We were founded in 2017 by one... ...of world-class engineering, operations,... ...through value-based, AI-driven precision... ...wide variety of systems. Our people use... ...team owns the Core Lab Case Management... ...operations. We build the workflows... ...applications (React, Next.js). Design...ReactRemote work- ...Bonfirevc is looking for a Founding Engineer to build and lead the development of innovative insurance solutions using AI. Located in New York, you'll have significant impact and ownership in shaping the company's culture and vision while working closely with product...
- ...is searching for a Designer Engineer to create user-facing experiences... ...allowing for the design and build of core product interfaces. The... ..., experience with tools like React and Tailwind is a bonus, contributing... ...to Daytona's innovative design system. #J-18808-Ljbffr...React
- About Noto Noto is building the AI native operating system for after school... ...is to be the core platform that powers... .... Noto is founded by two technical... ...machine learning engineer and data scientist... ...out pop songs go hand in hand. Growth... .... Frontend : React, Next.js...ReactWork at officeLocal areaWork from homeNight shift
- ...company in New York is seeking a Founding Engineer who wants to take ownership of building features and shaping the product.... ...and customers in a small, trust-driven team. Ideal candidates should have... ...stack engineering experience, from React to AWS infrastructure, along with...React
$170k - $210k
...About RunSybil Founded in 2023 by Ari Herbert... ...intuition. We’re building Sybil: an AI-driven pentester that... ...Security Research Engineer who ships. You... ...capabilities that become core Sybil features... ...backend systems in production Comfort... ...modern JavaScript and React; you can own a...ReactFull timeRemote work- ...behind three mission-driven healthcare brands:... ...hands-on Software Engineer to design, develop,... ...opportunities for automation, systems integration,... ...will help design, build, and support... ...technologies, and AI advancements. Data... ...frameworks such as React, TypeScript, JavaScript...React
- Shared Context Lab is looking for a Founding Engineer to help build core product and infrastructure from the ground up. You will partner directly with... ...results. This position requires strong skills in React, TypeScript, Python, and a passion for design and UX. It...React
- We are hiring a founding engineer. This is not a normal... ...parts of the system will still look the... ...You will design and build the core systems of the company... ...interfaces using React, TypeScript, Golang Build agent-driven workflows for... ...Understand modern AI tooling and how to...React
$95k - $209k
...with a passion for building robust and scalable design systems? Do you thrive on creating... ...and maintain the core components and... ...product, and other engineering teams to translate design... ...including Angular and React. ~ Mastery of CSS,... ...leveraging AI to empower yours and...ReactTemporary work$170k - $225k
...ground up. We build proprietary... .... Crosby was founded by Ryan (Penn... ...great legal system is the watermark... ...to deploy AI in law isn’t... ...Founding Frontend Engineer, you will own... ...build the core frontend of the... ...like React, Vite, and TanStack... ...Ownership: You are driven to take full...ReactWork at office$110k - $160k
...Experienced Rust Engineer - Trading Systems Company: Blockhouse... .... The firm was founded in 2022. Our core market-making engine... ...small, engineering-driven team, and engineers... ...systems language (C++, Go) with demonstrated... ...(TypeScript, React) for trader- or operator...ReactFull timeWork experience placementRemote work$180,000 - $220,000 per day
...Founding Engineer (AI Agents + Frontend Craft) Location... ...Our client is building AI infrastructure... ...building the agent systems and evaluation loops... ...AI interface and go deep on agent architecture... ...UX work and core agent infrastructure... ...across the full stack— React, Next.js,...ReactH1bRemote workVisa sponsorship$245k - $360k
...A hyper-growth ecommerce leader is seeking a Senior Software Engineer to drive development in New York. This role involves owning complex systems, mentoring junior engineers, and leveraging AI tools to optimize development processes. Candidates should possess 3-5+ years...- ...A SalesTech startup is looking for a dedicated engineer to join its core team. This role involves designing and building user-friendly products, requiring skills in HTML/CSS, JavaScript (preferably React.js), and backend technologies like Python and Node.js. The ideal...ReactFlexible hours
- ...backed company building systematic trading... ..., and largely driven by manual... ...This is a trading system... applied to real... ...As a Founding Engineer, you will architect... ...and build the core systems that power... ...normalize, and react to real-time market... ...in Python or Go preferred Deep...React
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