React Jobs

VC-backed, fully-remote creator marketplace connecting eCommerce brands with everyday social media users. Hiring multiple full-time remote roles including a Senior Full Stack JavaScript Developer (React, Node.js, Next.js, Azure), Product Designer an…

Vantheon is an applied AI research lab exploring how AI will disrupt investing across economic classes: Vantheon.ai. If you are obsessed with trading, crypto, defi, or something similar, this would be an exciting opportunity. Role is in-person in Au…

BetterDB is building the tooling ecosystem for Valkey (a high-performance Redis fork). Focus is on observability: historical persistence, pattern analysis, anomaly detection, and Prometheus export. They ship OSS self-hosted and are launching a cloud…

Early-stage engineering role as the third engineer at Lift AI, building software for the elevator industry. You'll migrate an acquired Firebase/Firestore field product to a Django/PostgreSQL backend (including offline sync replacement), define API c…

Cliniko is practice management software that handles appointment scheduling, storing treatment notes, managing invoices and payments, running video consultations, and more. The software is used globally by 100,000+ people every day. It’s a web appli…

Founding Growth Engineer role to build virality into the product and drive 100x user growth. True 0→1 founding role with massive ownership. Responsibilities/requirements include building virality loops, proven track record driving significant user g…

5-person dev agency building AI, Web3, and SaaS products for startups, NFL players, and enterprises. Role involves shipping pixel-perfect UIs from Figma designs, making architectural decisions, and delivering production code for real clients—greenfi…

Flutter/Shorebird founder here. Flutter is used by millions of devs (and nearly ⅓ of free apps submitted to AppStore), but is missing services for businesses. We offer Flutter-related SAAS used by 1000s businesses globally, on track to profitability…

I’m Scott - founder of DoStuff. We have a pretty big, and growing, membership product called DoMORE - $7/month for a pair of tickets to an event we think you’ll like. We’re hiring a hands-on Retention Product Engineer to own engagement → churn reduc…

Zefr is a global technology company enabling responsible marketing in walled garden social environments (YouTube, Meta, TikTok, Snap) using patented AI. Role: Staff or Principal Site Reliability Engineer. Responsibilities include applying expertise …

Instinct is building AI-forward SaaS products that serve the veterinary world. We are growing our talented Engineering team and looking for people who thrive with autonomy and want to solve hard problems. Stack: Elixir, React, AWS, GraphQL. Learn mo…

Fractional CTO firm working with scaling businesses. Responsibilities include building unified dashboards pulling from Shopify, Stripe, HubSpot, and ad platforms (Meta, TikTok, Google); creating multi-system automations (HubSpot → SamCart → Klaviyo …

Hi, I’m Mel at Gaia AI (https://www.gaia-ai.eco/). We’re a small GreenTech startup in Boston building hardware and software in the forestry space. Role: Full stack / platform engineer working on the web app and mobile app. Role: Robotic Perception /…

Office Hours connects organizations (AI labs, startups, investors, consulting firms) with experts for paid calls, surveys, and model training. They are a profitable, growing company with a small senior, product-minded engineering team that values qu…

Journalytic is an early-stage company building a mission-critical operating system for professional investment teams. We combine behavioral science, structured workflows, and well-crafted software to help hedge funds, family offices, and RIAs make b…

Mapistry helps manufacturing facilities comply with environmental regulations, reduce emissions, and improve environmental stewardship. Seeking an intermediate/senior full-stack engineer to work in a small team, participate in decision-making from u…

Duckbill is hiring three to five engineers for three senior roles on Skyway, an enterprise-grade finops tool. The team is small and focused on large SaaS spenders. Work model is hybrid: in-office Monday/Wednesday/Friday and work-from-home Tuesday/Th…

xAI (recently acquired by SpaceX) is hiring technical talent for their truth-seeking AI (Grok). They are recruiting in-office across multiple global locations (Palo Alto, San Francisco, Seattle, Memphis, New York City, London, Dublin, Tokyo, Dubai, …

Building Topliner, an AI-powered platform for executive search. Responsibilities include integrations with Loxo, Metaview, GetSales, Calendly; API design; background jobs and sync pipelines; auth flows, queue processing, caching; and building React+…

Building automation software for the $7T insurance industry, accelerated by AI. Seed-stage in headcount (~20 people) with Series B-level business traction and cash-flow positive. Onsite role in San Francisco, CA. Experienced engineering team from Ai…

Our mission is to create opportunities for career advancement through access to affordable education. We are also the market leaders in early childhood (ECE) training and certifications. We are looking for two Staff Engineers to help lead developmen…

Rolling Insights builds modern sports data products and APIs used by fantasy platforms, sportsbooks, and media companies. We work with large-scale real-time datasets and are expanding into generative AI-driven collection engines to help scale and au…

CareIgnition | Senior/Staff Software Engineer (Generalist) | REMOTE, Chicago (US Only) Medical billing in America is a black box of fragmented data and inefficiency. At CareIgnition, we are building the transparency layer for healthcare. We transfo…

Layer Health (founded 2023 by ML researchers from MIT and Harvard Medical School) is a startup (~37 employees and growing) building an LLM-powered platform that synthesizes patient medical records to accelerate clinical registry abstraction. Locatio…

Folio is a marketplace connecting hotels and restaurants with suppliers, bringing AI search, web automations, invoice processing, and payments to hotel procurement. 16-person team, fully remote (US) with hubs in San Francisco, NYC, and Durham. Open …

Interested in real estate and proptech? The Platform Communications team at AppFolio (NASDAQ: APPF) is looking for a Staff Software Engineer who will be in charge of scaling up our SMS, email, in-app chat and voice offerings. Learn more and apply he…

Upway is a marketplace for refurbished e-bikes operating warehouses and real inventory across Europe and the United States. The company grew to $200M GMV in 3 years and raised a $60M Series C. The tech team is expanding (from ~12 engineers in 2025 t…

Sequent Tech builds cryptographically secure online voting infrastructure used in 200+ real elections across multiple countries. Fully remote, open-source platform combining Rust, TypeScript, and modern DevOps. Work includes end-to-end encrypted vot…

Findigs is transforming the rental experience by building high-scale applications to streamline renting for millions. The company uses a modern tech stack and fosters a collaborative culture where engineers have high ownership and autonomy, taking f…

Cosuno is a fast-growing tech startup reshaping the construction industry with a digital procurement platform that uses AI to analyze price points and help construction companies create bids based on market data. They are hiring two senior roles: Se…

We run a platform that handles story publishing, media delivery and newsroom workflows for hundreds of organizations with millions of readers every month. Backend uses PHP (Symfony) for APIs/app; frontend uses TypeScript/React. Hiring Senior Backend…

We are applying AI to organize corporate events. We are looking for a senior engineer with at least ten years of full stack experience, a strong focus on product and UX, and optionally some experience building LLM-based products. Currently focused o…

Artificial Analysis is an independent AI benchmarking and insights provider (team of 25+), backed by investors including Nat Friedman, Daniel Gross, and Andrew Ng. They benchmark AI systems for engineers and companies; benchmarks cited by NVIDIA, Me…

Adalat AI is building AI-powered courtroom workflow tools deployed across 10 states and launched at the Delhi High Court. Mission-driven startup focused on transcription, summarization, and judicial workflow automation. Remote-first company with unl…

EnergyHub builds software and virtual power plants (VPPs) that enable smart devices (thermostats, EV chargers, batteries, etc.) to partner with utilities to decarbonize the grid. Hiring for Director of Engineering, Engineering Manager, and Senior En…

Kato is building a compliance-first AI servicing platform for the $24B lending market. Their first product is a Voice AI agent handling loan servicing calls for fintechs like Bilt Rewards and Parafin. Backed by Pear VC and angels from Brex, Bridge, …

We're a small scientific software development company that develops custom scientific and engineering analysis applications in domains including space situational awareness, image simulation, high power microwave systems, modeling and simulation, la…

Hiring across engineering in Austin, TX (onsite) for individual contributor and management roles at all levels. Work on a large-scale Ruby on Rails monolith serving thousands of concurrent users, plus frontend and supporting services using React, Ty…

We’re building the next generation of financial tooling to help small business owners succeed. Our solution blends banking, bookkeeping, taxes and payments into an all-in-one solution to help save our users time, stress and money -- so they can focu…

Ever wanted to build indie video games at a startup? Let's talk. Elsewhere is a San Francisco-based company building a new kind of multiplayer social video game, inspired by indie roguelike deckbuilding games like Slay the Spire and CCGs like Magic:…

At Songscription, we train state-of-the-art AI models to automate music transcription, with the vision of enabling any musician to learn any song, on any instrument, at any difficulty level. We recently raised a $5M funding round to make this possib…

Halfpricesoft, a profitable bootstrapped company in the small business payroll and tax compliance space, is transitioning legacy solutions to a modern cloud-native suite and seeks a Founding Engineer. You will report directly to the Founder, own the…

Hands-on technical leadership role at an early-stage fintech startup building a platform for sophisticated investment strategies. Architect and build scalable systems, establish engineering best practices, own end-to-end delivery from conception to …

Uncountable is a profitable SaaS company accelerating R&D for industrial scientists in materials, chemicals, and life sciences. Founded by MIT and Stanford engineers, the team has grown from ~50 to ~100. Hiring Full-Stack Engineers to lead developme…

Modern hardware supply chains run on spreadsheets, email, and PDFs. Silkline is building an AI-first procurement platform for aerospace, defense, and nuclear manufacturing. Customers include Machina Labs, Astranis, K2 Space, Castelion, Antares, and …

Software engineering consultancy seeking engineers who value software design, system architecture, and collaboration. Work involves web application security, relational database design (PostgreSQL), Django internals, React, and distributed systems. …

Neo.Tax is automating enterprise accounting and tax with AI. We help companies like Notion, Mercury, Brex, and Whoop calculate R&D tax credits and capitalize software costs in hours instead of weeks—saving millions in manual consulting fees. Our sta…

Hiring 7+ years Senior or Staff (Principal) engineers to join as founding members at a stealth AI-security startup (seed $15M) in NYC. Ship end-to-end: design → production → detection stories used daily. Prefer experience at scale (Google/Meta/AWS/A…

DrSwarm is building AI-driven workflow automation for healthcare clinics / health systems (scheduling, RCM/billing workflows, patient ops). This is a true 0→1 role: ship fast, talk to customers, own systems end-to-end. You will: - Build product end…

Mozart AI is a Digital Audio Workstation (DAW) with built-in AI Co-Production aimed at 'Hybrid Musicians'. Founded ~8 months ago with 80k+ beta users and Product Hunt recognition; seed-stage (oversubscribed). Hiring two Full-Stack Engineers: a Front…

Encube Technologies is building collaborative, real-time software for manufacturing and is hiring Senior and Lead Software Engineers. Roles are hands-on and product-driven, focused on high-performance browser-based 3D rendering, compute-heavy CAD an…

Arbolus enables professionals who purchase B2B tech products to monetize their real-world experience through short consultations, surveys, and product knowledge exchange with top-tier investors and companies. Hiring senior full-stack engineers to wo…

Realm.fun is a game server hosting platform ("Vercel for game servers"). Role involves building the dashboard where players manage their servers, real-time features (console, metrics, player lists), payment/subscription flows, and infrastructure aut…

Location: Waterloo / Toronto — ONSITE (Hybrid OK). Carta connects founders, investors, and limited partners through world-class software, purpose-built for everyone in venture capital, private equity and private credit. Frontend Platform: You will o…

CVector builds software for real-time economic optimization and AI prediction for energy and manufacturing plants. Work includes creating intuitive web apps, machine learning models, backend systems, real-time data visualization and analytics, and A…

Coram AI is building an AI-powered video security platform that helps enterprises proactively detect and respond to real-world incidents. Work involves large-scale video data, real-time systems, and applied computer vision. Responsibilities include …

Established company (20+ years) hiring remote full-time engineers and developers. Seeking mature, self-motivated generalists who can work independently, communicate clearly in written English, reduce technical debt, build highly reliable systems, an…

Rinse provides dry cleaning and laundry delivery services to customers in twelve metropolitan areas in the US and Canada. The engineering team is distributed across the United States and internationally and has been entirely remote for years, though…

Building an AI notetaker and task management tool for financial advisors. Startup headquartered in NYC. Role is Senior Software Engineer on the AI team, based in St. Louis or NYC; if not in NYC, quarterly travel to the office is expected. Tech stack…

We're building the first AI wealth platform. Hiring senior+ software engineers to partner closely with our co-founders and engineering leadership team. We're a Series C company with ~90 people passionate about making wealth management better, faster…

Rivet is an AI marketing platform used by artists (e.g., Chance the Rapper, Major Lazer, John Legend) to boost D2C revenue and power direct-to-fan marketing and sales. The role is a founding/full-stack engineer position; the team is expanding from t…

Lightning AI (creators of PyTorch Lightning) is building the OS for AI and is hiring Senior Engineers across Full-stack, Frontend, Backend, and ML/Inference Platform teams for its New York City and San Francisco hubs. Roles are hybrid/onsite with a …

Stack Influence is a VC-backed, fully-remote, fast-growing creator marketplace connecting eCommerce brands with everyday social media users. Multiple full-time remote openings: Senior Full Stack JavaScript Developer (individual contributor, modern s…

Mainstay is a market intelligence platform for large real-estate operators. We’re an AI-native company focused on turning complex, messy, real-world data into systems customers actually trust to make financial decisions. Mainstay was incubated at Op…

Chestnut builds insurance carrier software replacing legacy distribution systems with real-time data, automated workflows, and AI tooling. Product engineering role: backend-heavy features around onboarding, compliance, payouts, and integrations (exa…

Cogram is an AI platform for the architecture, engineering, and construction industry. We automate project admin such as RFIs & submittals, email filing, field notes, meeting minutes, and reporting. World-leading architecture and engineering firms h…

Building an AI-guided financial platform with conversational AI to guide inexperienced users through the entire journey. Seeking a full-stack developer with AI/LLM experience for a co-founder/equity partnership role. Stack is mobile-first and includ…

We’re building the AI-powered infrastructure layer for small-business lending. Banks and fintechs use Omni to automate document collection, financial modeling, public-record research, and ongoing borrower communication. You’ll work on: 1) Wrangling …

Unit is building GTV, a new video platform that can autonomously produce high-quality, personalized content. Our team is from Instagram, TikTok, and NVIDIA. We're backed by Khosla Ventures, Air Street Capital, and angels from top AI labs. We have st…

Duranta is making a "business-in-a-box" SaaS for landscaping companies. We have a rather neat offline-first mobile application and a webapp. We also have a custom AI visual model to do estimations based on satellite imagery (we're not shelling out t…

Sheer Health is on a mission to demystify health insurance, healthcare and medical billing by using technology and advanced data analytics to provide personalized recommendations to save money, maximize plan benefits, track reimbursements, and avoid…

Hermes Health is building a platform to connect identified medical data sources and is hiring a Rust backend engineer. Backend is entirely Rust using Rocket; frontend currently TypeScript with React/Next but moving to Rocket via maud and Datastar (m…

Count is an infinite, real-time canvas where SQL, Python, and low-code query cells live side-by-side with visualizations and freeform whiteboarding. It replaces the traditional linear notebook with a collaborative space for modeling, analysis, and p…

We’re a small team of creative builders (ex-OpenAI, Pinterest, startups) crafting consumer products that feel personal, magical, and deeply human. We build for ourselves first, with the belief that what delights us will resonate with millions more. …

Waypoint AI is a Czech-American B2B startup building "Chip", an AI support engineer that autonomously triages, routes, and resolves complex technical support cases. Raised $3.1M and already in production with customers including Volvo and ClickHouse…

Starbridge is building an AI platform that turns large-scale public and enterprise data into reliable sales insights. Early-stage, high-ownership role. Product Engineer (React/Typescript): build performant, stable frontends, work closely with produc…

B2B SaaS pricing is still guesswork. We’re building the AI-powered monetization operating system to fix it. We are pre-seed, lean (4 people), and shipping to live customers. The Experience: This is a unique "fast-track" for an ambitious junior/mid-l…

Were expanding our team and looking for passionate individuals to join us in building innovative solutions for philanthropy in the DAF team (we provide the technology that runs the Charityvest DAF). Current openings include: Senior Software Enginee…

RepSpark is a SaaS B2B wholesale e-commerce platform for apparel, footwear, and accessories. They're hiring Full-Stack Product Engineers (Junior/Senior/Staff) to work across React/TypeScript and C#/.NET with PostgreSQL, modernize .NET Framework to .…

We build software to help cities, transit agencies, and state departments of transportation make better decisions based on how people move by processing large mobility datasets. Roles: Software Engineer (Applications) — work directly with user cohor…

Beacon AI builds intelligent systems that make aviation safer and more autonomous. We’ve completed multiple DoD programs and are expanding our team with exceptional technical leaders to push the boundaries of human-machine collaboration in the cockp…

We're building a fully automated agentic platform to help the construction industry optimize takeoffs, make better design decisions and reduce carbon emissions related to construction materials. We're a seed stage startup of 10. You'll be working on…

Atria Health is doubling the size of its Engineering team with roles across disciplines (product engineering, DevOps engineering, platform engineering, etc.). The team operates with rigor, empathy, and innovation to drive a shift from reactive sick …

We're simplifying global trade compliance and helping importers navigate the trade environment, starting with duty drawback—a tax recovery process that puts cash back into importers' hands. Our platform transforms messy trade data into actionable in…

We’re building a distributed, software-defined power plant: buildings, batteries, EVs, and on-site generation buying and selling power in real time (cloud control plane + embedded hardware + energy markets). Small, high-performing team. Own systems …

OpenRent is a VC-backed, profitable proptech company focused on improving the rental experience in the UK. The company lets a large volume of property, serving millions of users, and works across the rental journey including pricing models and prope…

Journee is a technology startup (founded 2020) building low-latency streaming technology and GPU fleet orchestration, working with brands like BMW, H&M, and Siemens. They are launching Ojin, a real-time generative AI platform providing APIs and infe…

Trunk is an a16z-funded Series A dev tools startup building a CI Reliability Platform to help engineering teams land code faster by addressing merge conflicts, flaky tests, and other frictions. Customers include Google X, Zillow, and Brex. Products …

Ezra is a venture-backed startup building at the intersection of sustainable finance and artificial intelligence. Building a platform to accelerate capital deployment into climate solutions and other world-positive investments. Seeking multiple seas…

Early-stage (pre-seed) VC-backed startup automating RFPs in the AEC industry. First full-time engineering hire working directly with founders to ship production code across the whole stack, including deep Microsoft Word/Office.js integration, orches…

We're building a unified platform for credit and financial data to power financial inclusion globally. Our mission is to unlock economic opportunities for consumers historically excluded from traditional credit systems by transforming diverse data i…

Maiven is the software platform automating home decarbonization. We're a small, mission-driven, venture-backed team with utility customers and multi-state contracts. Hiring two engineers: Full-Stack Engineer (NestJS, React, Tailwind, TypeScript, Pyt…

We make robots that autonomously construct buildings. We are currently developing and manufacturing our autonomous bricklaying system in the beautiful centre of Amsterdam. Our robots are already earning real revenue operating on construction sites a…

Lantern is building AI-powered revenue intelligence (agentic systems) to help B2B sales teams. Roles open: Senior Software Engineer (own end-to-end technical problems, optimize AI model efficiency, prompt engineering), Junior Software Engineer (work…

Build and maintain BoreDM's subsurface data management software handling borehole logging, lab testing, CPT data, and PDF digitization. Used by geotechnical firms and state DOTs. Seeking a full-stack engineer; interest or experience in local-first/o…

Intus is building the OS for PACE (the Program for All-Inclusive Care for the Elderly). We are seeking a lead to run a team and solve hard technical challenges at a hyper-growth startup. Stack: Node, React, TypeScript. You will grow faster in this r…

Build AI-powered systems that bring hyper-personalization to enterprise experiences (e-commerce, customer service, internal tools). Design and build high-scale systems behind search, recommendations, product discovery, and Generative AI. Craft clean…

Work in a small team (5 devs + 2 contractors) owning features end-to-end to build and evolve a SaaS product for international customers. Tech stack: React frontend (S3 + CloudFront), Java backend as a "lambdalith" on AWS Lambda (Java 25), serverless…

Fast-growing, profitable real estate company in India building technology for construction and real estate. Mission to build high-quality homes and deliver on time. Engineers have end-to-end ownership impacting supply chain, project management, and …

AI-first logistics technology startup. Role requires experience with Elixir or Erlang in production (or a polyglot engineer able to pick up new languages quickly), solid understanding of Postgres (beyond basic CRUD), and hands-on distributed systems…

PrairieLearn is an open-source assessment platform used by universities across the US. Small, profitable, early-stage (bootstrapped) company seeking an early-stage hire to work across the stack with meaningful ownership. Tech stack includes Node.js/…

Shepherd is an all-in-one commercial insurance platform (raised over $20M) expanding beyond commercial construction into adjacent sectors. Hiring in San Francisco, CA (onsite) for Senior & Staff-level Full Stack and Backend Engineers and two Product…

Goody is building a gifting product for businesses to recognize employees, retain customers, and accelerate sales. The product is used by companies like Google, Stripe, Anthropic, Meta, NBCUniversal, and Notion and includes a developer commerce API.…

Pre-seed startup building an AI assistant for sales that automates CRM updates, meeting prep, prospecting and follow-ups. Backed by founders/operators from Lovable, OpenAI, Neo4j, Creandum. Hiring: Founding GTM to own revenue and customer success en…

Splasy Sports is hiring Senior TypeScript Engineers for remote roles in the US. The company is a rapidly growing fantasy sports and casual gaming products operator. Tech stack includes NestJS/Express, AWS, Postgres, Datadog for backend and React for…

Steel.dev is building open-source browser infrastructure for AI agents and apps, offering a Sessions API to control fleets of browser sessions in the cloud with scaling and anti-bot handling. The company has 6,000+ GitHub stars, paying customers, an…

We are looking for a full-stack 'ninja' to join BetterSea full-time. We are a team of entrepreneurs, decarbonisation experts and tech enthusiasts building a maritime carbon exchange to commercialise maritime decarbonisation. In 2.5 years the company…

Ship production code fast and own projects end-to-end. Requires experience at a startup building a product from 0 to scale. Strong React/Node.js/PostgreSQL required. Remote across US/Canada/Europe. Apply via the company application link.

At Coveo, we build AI-powered systems that bring hyper-personalization to every enterprise experience — whether it's e-commerce, customer service, or internal workplace tools. Our platform unifies relevance across the stack, helping users find what …

VC-backed, fully-remote creator marketplace connecting eCommerce brands with social media users. Multiple full-time remote openings including Senior Full Stack JavaScript Developer (React, Node.js, Next.js, Azure), Product Designer & UX Researcher, …

Wolf Games is building generative entertainment universes where AI and players collaborate in real time. We’re a Series A creative-tech studio scaling the systems that turn ideas into playable, live experiences. We’re hiring a hands-on Director of E…

Avantos.ai is building an AI notetaker and task management tool for financial advisors. Role is Senior Software Engineer on the AI team, based in St. Louis or NYC (startup headquartered in NYC); quarterly travel to the office expected if not in NYC.…

Doubling is partnering with an early-stage AI-driven fintech startup building a platform that converts real-time financial data and news into clear, actionable client communications. Hiring a junior full-stack engineer to ship web, mobile, and AI-en…

Upwave is a YC/venture-funded startup that provides analytics and AI tools to help large enterprises plan, measure, and optimize brand advertising campaigns. They seek an experienced generalist "startup engineer" to work across backend web developme…

Crypto bros needed! [Midl] - (REMOTE) Frontend developer - https://forms.gle/GzwXL2qwHXNMPXt27; [Ditto] - (REMOTE) Development Lead - https://forms.gle/UTGp6vY6GA7uefB26; [Midl] - (REMOTE) Backend developer - https://forms.gle/XdYHTZokBRYbX28u9; [Mi…

Photon gives patients ownership of prescriptions. The platform enables clinicians to send prescriptions to patients via text so patients can compare prices, choose their pharmacy, and save money. Seeking Senior Software Engineers for full-time onsit…

Building AI agent systems that automate complex multi-step workflows. Ship production code fast and own projects end-to-end. Hiring multiple Full-stack Software Engineers. Looking for 5+ years experience (or <5 with hackathon wins/founder experience…

VC-backed, fully-remote creator marketplace connecting eCommerce brands with social media users. Multiple openings: Senior Full Stack JavaScript Developer (React, Node.js, Next.js, Azure) as individual contributor on a small team; Product Designer a…

Journalytic is an early-stage company building a mission-critical operating system for professional investment teams. We combine behavioral science, structured workflows, and well-crafted software to help hedge funds, family offices, and RIAs make b…