Source Job

Europe

  • You own the frontend code and work closely with the founder and a senior product designer and as well as our early users to integrate components and monitor and iterate UX to perfection.
  • From designing Postgres schemas and RLS (Supabase), to writing edge APIs to supporting our backend workers, you shape much of the core infra.
  • You help enable cutting-edge digital asset UX leveraging WebAuthn, integrate our smart contracts, own blockchain indexer and work with our fintech partners.

Typescript React Postgres Web3 Blockchain

20 jobs similar to Founding Engineer (Fullstack)

Jobs ranked by similarity.

Global

  • Identify and validate new product opportunities.
  • Lead 0→1 development of experimental features — from ideation and prototyping to production deployment — with minimal direction.
  • Design and build user-facing features that leverage AI, DeFi protocols, account abstraction, or other cutting-edge capabilities to differentiate Trust Wallet

Trust Wallet is the leading non-custodial cryptocurrency wallet, trusted by over 200 million people worldwide to securely manage and grow their digital assets. They aim to give individuals the freedom to own their assets and confidently participate in the future economy.

Europe

  • Architect and own end‑to‑end delivery across web apps, APIs, and indexers to ship user‑visible impact quickly and safely.
  • Design a scalable API and SDK strategy with clear versioning and docs to enable hundreds of external integrators to build on Morpho.
  • Build high‑performance data pipelines over on‑chain events using intelligent caching and query optimization to keep UIs sub‑second.

Morpho is a leading Decentralized Finance (DeFi) lending protocol. They recently secured $50 million to build an open lending network, experiencing explosive growth with over $10 billion in deposits.

Global

  • Own feature development end-to-end for our mobile application
  • Collaborate with design, backend and product to deliver new features
  • Maintain a high standard of code quality and performance

Trust Wallet is the leading non-custodial cryptocurrency wallet, trusted by over 200 million people worldwide to securely manage and grow their digital assets. They aim to give individuals the freedom to own their assets and safely navigate Web3 with industry-leading technology.

Europe

  • Design, build and operate backend services in TypeScript/Node and GraphQL, delivering reliable, low-latency user-facing experiences.
  • Model data, evolve relational schemas (PostgreSQL) and optimise for correctness, performance and maintainability.
  • Monitor, troubleshoot and improve production systems: focusing on observability, incident response, reliability, and operational excellence.

Morpho is a leading Decentralized Finance (DeFi) lending protocol. They secured $50 million to build an open lending network giving anyone, anywhere, access to the best possible terms and have over $10 billion in deposits, solidifying itself as the new standard for DeFi lending.

US

  • Architect and own front-end systems, establishing patterns and component libraries.
  • Implement high-quality, performant code that is clear, concise, and well-tested.
  • Mentor other engineers on the team within front-end specialization.

Anchorage Digital is building the world’s most advanced digital asset platform for institutions to participate in crypto, offering custody, staking, trading, and settlement services. The company has over 600 employees and is funded by leading institutions including Andreessen Horowitz and Goldman Sachs.

US Unlimited PTO

  • Experiment & build features alongside other stakeholders from ideation to implementation
  • Write simple, readable code & create abstractions that future engineers can easily maintain & change
  • You’ve been a full-stack software engineer 3+ years and have a track record of creating new user experiences

Schoolhouse is a peer-to-peer learning platform that brings human connection to online learning. The company has reached 150k+ learners from 180+ countries and plans to grow to millions, believing in moving quickly with sincerity and helping each other.

US

  • Design, build, and maintain backend services that power FlexCard features used by millions of Dave members
  • Contribute across the stack using TypeScript, Node.js, React, and React Native to deliver end-to-end product experiences
  • Work closely with product managers and designers to shape feature specifications and translate them into scalable technical solutions

Dave is a financial app on a mission to build products that level the financial playing field. It is redefining the financial landscape by leveraging technology to create affordable, transparent, and user-centric access to liquidity. Dave is leading the charge in creating a new era of credit products that prioritizes speed, affordability and accessibility. Dave's culture values its Daves and strives to create an environment where all Daves feel valued, heard, and empowered to do their best work.

Europe 5w PTO 26w maternity 6w paternity

  • Building and evolving core platform capabilities like workspace management, permissions, and governance
  • Improving how data flows across workspaces, making content more flexible and connected
  • Driving the implementation of Workspace 2.0, helping redefine how customers structure and manage their work

TheyDo offers an AI-powered journey management platform that helps the world’s largest enterprises align around their customers. They are backed by $50M from top-tier investors, with a fully remote team representing 30+ nationalities across 27 countries and are united by a customer-led, people-first culture.

$70,000–$90,000/yr
US

  • Build reusable, modular, and well-documented frontend components using modern JavaScript frameworks
  • Translate Figma and Sketch designs into fast, accessible, and polished digital experiences
  • Collaborate with designers, project managers, and fellow engineers across the full project lifecycle — from kickoff through deployment

Webstacks is a website operations and growth marketing agency established in 2020. They have quickly grown into a 45-person company because of their innovative website operations methodology, strong partnerships, and high-growth clients.

Europe

  • Design, develop, and version high-quality web and mobile applications.
  • Collaborate with product teams to understand feature requirements and translate them into technical solutions.
  • Be accountable for an area of the application, its delivery, production-level quality, and its effective presentation to stakeholders.

OAK’S LAB is a product development partner specializing in custom web and mobile application development. With Silicon Valley founders and top-tier European tech talent, the company operates from Prague and has successfully delivered over 65 software products. The company has 85+ team members and takes an AI-first approach, utilizing AI on almost every project, with remote AI agents to push the boundaries of what’s possible in product development.

Global

  • Develop, maintain, and optimize the frontend architecture of web applications supporting 3D design interactions.
  • Implement performant and responsive 3D rendering and interaction features using THREE.js, WebGL, and related technologies.
  • Design and build intuitive and efficient user interfaces (UI) and user experiences (UX) within the 3D application environment.

Dandy is transforming the massive and antiquated dental industry, worth over $200B, by simplifying and modernizing every function of the dental practice through technology. They are backed by leading venture capital firms and are building the operating system for dental offices around the world.

$150,000–$170,000/yr
US Global

  • Build and ship full-stack product features end-to-end
  • Own technical architecture, stack decisions, and system design
  • Lead integrations across APIs, SSO, and partner platforms

Knowlej is building the engagement infrastructure for K–12 education, connecting student actions to rewards and opportunities. They are transitioning from early traction to a scalable national platform and offer incentives, experiences, and long-term economic mobility.

$1,909–$2,100/yr
Global

  • Design and develop frontend features for GeckoTerminal, their decentralized exchange tracker.
  • Write clean, reusable and maintainable code and libraries, pushing code into production without issues.
  • Work collaboratively with engineering, product managers and designers to ship out products and features effectively.

CoinGecko is a global leader in tracking cryptocurrency data, operating since 2014. They have built the world's largest cryptocurrency data platform, tracking over 10,000 tokens across more than 400 exchanges, serving over 300 million page views in more than 100 countries, and handling more than 45 billion API calls every month.

US Canada Unlimited PTO

  • Architect and implement high-impact full-stack web features end-to-end using modern technologies
  • Collaborate with cross-functional teams to deliver scalable and high-quality web experiences
  • Debug and resolve technical issues across frontend, backend, and infrastructure layers

Scopely is a leading video game and global interactive entertainment company, home to many of the world’s most beloved and enduring experiences. Founded in 2011, Scopely is powered by its exceptional team and a distinctive tenet-driven culture.

US

  • Design, build, and deploy full-stack solutions for state governments and public sector partners.
  • Collaborate with customer delivery leads, engineers, and UX designers to ensure successful deployments.
  • Translate customer requirements into technical architectures and production-ready systems.

SpruceID builds privacy-preserving, standards-based digital identity and credentialing solutions. They give individuals control of their information while enabling governments and enterprises to deliver secure, interoperable services.

Europe

  • Develop a strong understanding of Workera's AI-powered platform, customers, and business model.
  • Actively lead and deliver your first full project, owning backend architecture, build, and rollout end-to-end.
  • Architect and own backend systems that are robust, performant, and built to scale.

Workera is redefining how enterprises understand, develop, and mobilize talent in the age of AI. The company is a fast-growing, Series B Silicon Valley company building AI-native skill assessments for the world’s largest organizations, with clients including Samsung, Siemens Energy, and the U.S. Air Force.

Global

  • Own and evolve Trust OS, their AI platform.
  • Build AI-powered experiences across the stack.
  • Design and implement backend services in Go and integrate with LLMs and AI systems.

Trust Wallet is the leading non-custodial cryptocurrency wallet, trusted by over 200 million people worldwide to securely manage and grow their digital assets. They give individuals the freedom to own their assets and offer a seamless, multi-chain experience.

Global

  • Build internal tooling, automations, and workflows to identify patterns in support volume, reduce manual effort and make the team faster.
  • Triage incoming issues, diagnose root causes, and resolve them, including writing and shipping code fixes directly when the problem warrants it.
  • Engage directly with customers in the context of support and communicate clearly on technical issues, timelines, and resolutions.

Sphere Labs is building modern, compliance-native infrastructure for cross-border payments and settlement. They are a fully remote, global team backed by Coinbase, Kraken, The Chernin Group, Jump Trading, Hudson River Trading, and some of the world's largest sovereign affiliates.

Global

  • Develop and maintain world-class web applications supporting a robust suite of 3D design interactions.
  • Orchestrate the availability of our 3D tools to our internal workforce based on supply chain event triggers while matching capability with capacity.
  • Coordinate the submission and storage of browser based CAD outputs to the cloud and subsequent distribution to our remote manufacturing centers.

Dandy is transforming the massive and antiquated dental industry. Backed by some of the world’s leading venture capital firms, they’re on an ambitious mission to simplify and modernize every function of the dental practice through technology.

$170,000–$230,000/yr
US Unlimited PTO

  • Lead the architecture and evolution of the user facing experience across Vetcove’s platforms.
  • Define and enforce frontend best practices, including performance optimization, accessibility, and maintainability.
  • Partner closely with product managers, designers, and backend engineers to deliver cohesive, user centered features.

Vetcove is dedicated to modernizing the future of veterinary software and the pet parent healthcare experience. They provide tools for veterinary organizations to focus more on patient care and are backed by top venture investors in Silicon Valley, New York and Miami.