Founding Engineer

Kontigo
San Francisco
Workplace: RemoteFull timeUSD 40,000 - 120,000 annuallyFunction: Entrepreneurship & Venture BuildingExperience: 3+ yearsSkills: ["Next.js","React Native","TypeScript","OpenAI","Anthropic","Solidity","Web3.js","Nest.js","Supabase","Firebase","Prisma","AI","OpenAI API","Anthropic API"]

Founding engineer building a USDC-focused neobank frontend/backend stack in a founder-led startup. You’ll work across Next.js web apps, React Native mobile interfaces, and server-side services with Supabase, Firebase, Prisma, and Nest.js, while integrating OpenAI/Anthropic APIs, Solidity smart contracts, and web3.js. Join a small, highly-technical team shaping product and platform from the ground up.

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Kontigo
Kontigo
1 year ago

Founding Engineer

✓ Verified Job

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Source: Company careers pageValidated by: Fursa AI
Last checked: 10 hours agoStatus: Live

Job Summary

Founding engineer building a USDC-focused neobank frontend/backend stack in a founder-led startup. You’ll work across Next.js web apps, React Native mobile interfaces, and server-side services with Supabase, Firebase, Prisma, and Nest.js, while integrating OpenAI/Anthropic APIs, Solidity smart contracts, and web3.js. Join a small, highly-technical team shaping product and platform from the ground up.
Location: San Francisco
Workplace: Remote
Employment Type: Full time
Job Function: Entrepreneurship & Venture Building

Key Responsibilities

  • •Build and own features across web and mobile platforms (Next.js web app and React Native app).
  • •Integrate AI agents using OpenAI/Anthropic APIs and manage related services.
  • •Develop and deploy smart contracts and blockchain integrations (Solidity, web3.js).
  • •Collaborate with a small founding team to shape product direction and technical roadmap.
  • •Contribute to system architecture and code quality in a fast-paced startup environment.

Pay and Benefits

Salary: USD 40,000 - 120,000 annually

Key Requirements

  • •3+ years of software engineering experience.
  • •Strong skills with Next.js and React Native for web and mobile apps.
  • •Proficiency with TypeScript and modern frontend/backend tooling.
  • •Experience with Nest.js, OpenAI/Anthropic APIs, and modern AI agent integrations.
  • •Familiarity with Supabase, Firebase, Prisma, Solidity and web3.js for smart contracts.
Experience:3+ yearsFintechSaaSOpen sourceDeveloper tools
Skills:Next.jsReact NativeTypeScriptOpenAIAnthropicSolidityWeb3.jsNest.jsSupabaseFirebasePrismaAIOpenAI APIAnthropic API
Tech Stack:Next.jsReact NativeSupabaseFirebasePrismaNest.jsOpenAIAnthropicSolidityWeb3.jsTypeScript

Company Brief

Kontigo
Kontigo is a Latvia-based digital agency providing web development, e-commerce, and online marketing services to regional clients, focusing on user experience, site performance, and digital sales growth.
Industry: Professional Services
Headquarters: Riga, Latvia
Website