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Jan

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About

Jan is an open-source, local-first AI tool that functions as a ChatGPT-alternative, running 100% offline on your device. It prioritizes user privacy by ensuring conversations and files remain on the user's computer, never collected or sold. Jan enables users to chat with AI, utilize a Model Hub for various models, connect to cloud AIs, and leverage a Local API Server. It is highly customizable through extensions and offers experimental features like chatting with user files. Built by Menlo Research, Jan adheres to principles of user ownership, the right to tinker with its open-source code, and active community collaboration, aiming to advance human-machine collaboration without data lock-in.

Platform
Web
Task
chatbot

Features

chat with ai

highly customizable

extensions

local api server

connect to cloud ais

model hub

chat with your files (experimental)

Pricing Plans

Free
Free Plan

100% offline AI chat

Open-source

Local-first privacy

Model Hub access

Local API Server

Customizable with extensions

3.2M+ downloads

Job Opportunities

Jan favicon
Jan

Wild Card

Jan is an open-source, local-first AI tool designed to run ChatGPT-alternative models offline on your device, ensuring privacy and user data ownership.

engineeringremotefull-time

Benefits:

  • A team that moves like a pro sports team: everyone has a critical role, we norm and storm until we produce results

  • Equity, ownership, and the freedom to build what matters

  • A chance to work with some of the most curious and mission-driven people you'll meet

  • A stage to do your life's best work, without needing to fit a mold

Experience Requirements:

  • Mid-level

Other Requirements:

  • Fast & curious mindset

  • Obsessed outliers mindset

  • Lateral thinker mindset

  • Underdogs welcome mindset

  • Globally minded mindset

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Software Engineer (API Platform)

Jan is an open-source, local-first AI tool designed to run ChatGPT-alternative models offline on your device, ensuring privacy and user data ownership.

Experience Requirements:

  • 3+ years of experience building and operating large-scale, production systems with real-world usage and uptime expectations

  • Strong experience with containerization and orchestration: Kubernetes, Docker, Helm, and service mesh technologies

  • Proficiency with cloud platforms: AWS, GCP, or Azure

  • Hands-on coding skills in Python and JavaScript/TypeScript, with familiarity in backend frameworks

  • Deep knowledge of API architecture and design patterns

Other Requirements:

  • Experience with MLOps tools and AI workflows: model versioning, inference pipelines, model registries, etc.

  • Understanding of access control systems: ACLs, RBAC, multi-tenant security and isolation

  • Knowledge of billing systems, rate limiting, chargeback models, quota enforcement, and usage metering

  • Prior experience working on developer platforms or API products with a strong focus on UX and documentation

Responsibilities:

  • Design and build the Menlo API Platform, focusing on high reliability, performance, and a world-class developer experience

  • Develop intuitive APIs and SDKs that make it easy for developers to access and integrate multimodal AI capabilities

  • Deploy and optimize AI/ML models into scalable, production environments, working closely with research and applied ML teams

  • Manage and evolve a modern, cloud-native infrastructure stack, using Kubernetes, Docker, and infrastructure-as-code (IaC) tools

  • Ensure platform reliability, including designing and implementing telemetry, monitoring, alerting, autoscaling, failover, and disaster recovery mechanisms

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Software Engineer (Jan)

Jan is an open-source, local-first AI tool designed to run ChatGPT-alternative models offline on your device, ensuring privacy and user data ownership.

Benefits:

  • Remote work with an open-source culture

  • 14 days leave (and unlimited sick days)

  • GPUs, AI credits, fast progression

Experience Requirements:

  • Desktop experience: native apps, Tauri, Electron, QT or equivalent

  • Mobile experience: native iOS/Android, React Native, Tauri Mobile, Qt Mobile, or equivalent

  • Mobile UI/UX and responsive design experience

  • Production level experience on backend engineering and scaling

  • CI/CD pipeline experience

Other Requirements:

  • Cross platform architecture (e.g. RIBs)

  • Cross-platform build tools (e.g. Bazel)

  • Ability to build native modules/dependencies (e.g., Swift Package Manager for iOS/MacOs)

  • Experience scaling software with Docker, Kubernetes (K8s) containerization platforms

  • Cloud experience working with AWS, GCP, Azure or Self hosted On-Premise environments

Responsibilities:

  • Design, develop, and deploy scalable features across our mobile, web, and cloud platforms

  • Collaborate with product, design, and AI/ML teams to build user-centric applications powered by cutting-edge models

  • Optimize both software and inference performance across devices and browsers, ensuring high reliability and responsiveness

  • Write clean, maintainable code and participate in code reviews

  • Automate documentation, processes, and systems to facilitate knowledge sharing within the team

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