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2,947 Founding Engineer jobs

Founding engineer roles building the first product at early-stage startups.

2.9K jobs
Lanmea
4 views last month

AI & Software Engineer Intern

Open 41d APACInternshipIntern
India

Build and deploy AI models and software systems as an intern at a Bangalore-based AI startup.
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modernfi Backed by a16z
4 views last month

Software Engineer

Open 96d On-siteNorth AmericaMiddle
United States

Build and maintain backend services powering banks and credit unions, using Python, FastAPI, and AWS to support financial infrastructure and integrations.

AWS CI/CD Datadog FastAPI Infrastructure as Code +7 skills
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Cooperflora
3 views last month

Software Engineer Sênior

Open 41d RemoteLATAM
Brazil

Senior software engineer building e-commerce optimization tools in TypeScript, React, Node.js, and Go on AWS/GCP with Kubernetes and gRPC.

AWS Docker E-commerce GCP Go +8 skills
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FLY MEDIA
3 views last month

Software Engineer Sênior

Open 41d LATAMFull-time
Brazil

Builds and scales a full-stack platform that orchestrates multiple AI models (LLMs, image, video, voice) into end-to-end content-generation workflows using Node.js, React, AWS serverless, and databases.

AI Anthropic API Aurora AWS +17 skills
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Alternative Payments
2 views last month

Lead Software Engineer

Open 41d LATAMLead
Brazil

Lead engineer designing and building scalable microservices for high-volume payment processing in Go, mentoring engineers, and shaping technical direction for a growing fintech startup.

AI AWS Claude Code Cloud C++ +10 skills
90K – 102K $
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Rivio
3 views last month

Software engineer

Open 41d LATAM
Brazil

Build and maintain backend systems and integrations that automate critical healthcare workflows using Python/TypeScript and event-driven architectures.

AI API AWS Cloud Event Driven Architecture +7 skills
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WelHome Brazil
3 views last month

Software Engineer

Open 41d LATAM
Brazil

Build and evolve a React-based app and website, plus internal tools and automations for a Brazilian proptech startup that manages short-term rentals on platforms like Airbnb and Booking.

Git GitHub Node.js Python React
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Cooperflora
2 views last month

Software Engineer Pleno

Open 41d RemoteLATAM
Brazil

Builds and maintains e-commerce-focused microservices using TypeScript, React, Node.js, and Go on AWS, while improving system architecture and internal tools.

AWS Docker E-commerce Go gRPC +7 skills
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GoRoadie
3 views last month

Software Engineer

Open 42d APACC-level
Australia

Builds mobile apps and web APIs for a startup, using modern practices to rapidly deliver end-to-end customer solutions.

API React React Native
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Bessemer Venture Partners India
3 views last month

Staff Software Engineer, Claude Code

Open 42d APACStaff
India

Build and scale core AI systems for Anthropic’s Claude Code platform, focusing on reliability and safety in a fast-growing startup environment.

AI Anthropic
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Bessemer Venture Partners India
3 views last month

Staff Software Engineer, Privacy

Open 42d APACStaff
India

Build and maintain privacy-preserving systems for frontier AI models handling sensitive data at scale.

AI Anthropic
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Wake IT UP - Experts en Recrutement TECH & SALES
3 views last month

Lead Data & Software Engineer — Remote, AI Startup

Open 41d EuropeLead
France

Lead a team building and optimizing AI-driven data systems in Paris, working primarily remotely with English as the team language.
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MyTraffic
6 views last month

Data Software Engineer - (M/F)

Open 41d EuropeFull-time
France

Build and maintain scalable data pipelines and systems for a geolocation analytics platform, integrating diverse datasets and optimizing big-data infrastructure.

Airflow Analytics Athena AWS BigQuery +11 skills
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Wake IT UP - Experts en Recrutement TECH & SALES
5 views last month

Lead Software Engineer – Data & AI Smart Digital platform

Open 41d EuropeFull-timeLead
France

Lead a team building and scaling a SaaS data and AI platform that optimizes industrial production chains, integrating pipelines and best practices across tech, data science, and DevOps.

Data Science DevOps SaaS
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SkillMatch Solutions
1 views last month

Paris-based DeFi Web Developer - React/Node & Web3 MVP

Open 41d EuropeFull-time
France

Builds a decentralized options trading web app using React and Node.js, integrating blockchain/Web3 protocols in a Paris-based fintech startup.

Blockchain DeFi Fintech Node.js React
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SkillMatch Solutions
1 views last month

DeFi Web Developer with React and Node Skills in Paris

Open 41d EuropeContract
France

Build a decentralized options trading web app using React, Node.js, and TypeScript, integrating with Solana or Ethereum for a DeFi startup in Paris.

Agile Blockchain DeFi DevOps Ethereum +10 skills
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Micro1
4 views last month

Remote Senior Software Engineer

Open 41d AI interview 1 LATAMContractSenior
Argentina

Build and maintain reinforcement learning environments to test AI models' software engineering skills using MCP tools, focusing on bug fixes, feature implementation, and performance optimization.

Agentic AI AI C++ Go Java +6 skills
50 – 100 $ / hr
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TWOSENSE.AI
8 views last month

Software Engineer

Open 41d RemoteLATAM
Argentina

Build and maintain the backend APIs, integrations, and core features of an invisible biometric authentication system using C#, .NET Core, and EF Core.

AI API Authentication C++ C# +12 skills
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Circonomit GmbH
3 views last month

Senior Software Engineer, Data

Open 41d EuropeSenior
Germany

Builds optimization engines that model industrial production constraints and compute optimal decisions for manufacturing firms using combinatorial algorithms and n-dimensional analysis.
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Jobware GmbH
3 views last month

Softwareentwickler (m/w/d) KI-first / Expo / React

Open 41d Europe
Germany

Build cross-platform apps with Expo and React, leveraging AI agents and modern tools to rapidly prototype and deploy solutions for iOS, Android, and web.

AI Android Figma iOS Prompt Engineering +2 skills
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