Senior Full Stack AI Engineer

Desktop Commander; United States; Remote; USD 55,000 - 80,000; Full time

Benefits offered by this job

Stock options after trial

Learning support and opportunities to

Job summary

Desktop Commander is seeking a senior full stack engineer to build AI-powered desktop applications that connect large language models with tools and workflows. You will shape product features from backend integrations to user interfaces, ensuring reliable and responsive AI interactions.

You will work closely with the founding team, developing cross-platform desktop apps, implementing secure communication between components, and contributing to open-source efforts.

Qualifications

• 5+ years software development with JavaScript/TypeScript and Node.js.
• Experience building features with LLM APIs and prompt engineering.
• Experience with SQL databases, REST/streaming APIs, and client-server integrations.
• Understanding of asynchronous programming and event-driven architecture.
• Ability to work independently and communicate effectively.

Responsibilities

• Develop AI assistant features, including conversation flows and streamed responses.
• Build cross-platform desktop applications and secure inter-process communication.
• Integrate model context and tool capabilities via server connections and transports.
• Create clear interfaces for AI-driven tasks and assist users integrating with the product.
• Contribute to the user community and related open-source work.

Skills

JavaScript/TypeScript

Node.js

LLM APIs

SQL databases

REST/Streaming APIs

Asynchronous programming

Independent work

Job description

Role overview

Build AI applications that connect large language models with tools and desktop workflows. As a senior full stack engineer working closely with a founding team, you’ll shape product features from backend integrations to user interfaces, with an emphasis on reliable, responsive AI interactions.

Responsibilities

• Develop AI assistant features, including conversation flows, prompt handling, and streamed responses.
• Build cross-platform desktop applications and secure communication between application components.
• Integrate model context and tool capabilities through server connections and supported transport methods.
• Create clear interfaces for AI-driven tasks and assist users integrating with the product.
• Contribute to the user community and related open-source work.

Requirements

• At least five years of software development experience with JavaScript or TypeScript and Node.js.
• Production experience building features with LLM APIs, plus hands-on prompt engineering and context management.
• Experience with SQL databases, REST APIs, streaming APIs, and client-server integrations.
• Understanding of asynchronous programming, event-driven architecture, and core AI/ML concepts.
• Ability to work independently, deliver outcomes, and communicate effectively with users and teammates.

Nice to have

• Experience implementing MCP clients, tool calling, or STDIO and SSE transports.
• Electron desktop development, including IPC, and familiarity with Google Cloud or Docker.
• Workflow automation experience, such as with n8n, or experience building SDKs, CLIs, and other developer tools.
• Knowledge of application security practices.

Benefits and work setup

• Remote role with a team based in Latvia and Portugal.
• Opportunity to be an early engineering hire and work directly with customers and investors.
• Stock options after the trial period, plus learning support and opportunities to develop expertise in AI applications.
• Salary is listed as €4,500-€6,500 before taxes.