AI Software Engineer (MCP Development / AI R&D)

AI Software Engineer (MCP Development / AI R&D)Remote (United States; Canada; Brazil; Mexico; Colombia; Argentina; Chile; Ecuador; Jamaica; Puerto Rico)Contract$50 - $70 / hrView all jobsWe are looking for Software Engineers to work with a leading Frontier LLM Lab to help accelerate their Agentic Data Cloud roadmap by building and scaling tools for next-generation AI-powered data systems. You will work on developing MCP tools, improving AI-assisted developer workflows, and expanding platform capabilities across the Data Cloud ecosystem.What does day-to-day life look like?MCP Tool Development: Implement a variety of MCP tools for both managed MCP servers and the open-source MCP Toolbox for Databases.Agentic Integration: Expand test coverage and functionality for tools and skills utilized by leading agentic coding assistants (e.g., Gemini CLI, Claude Code, and other IDE-integrated agents).Code Maintenance & Refactoring: Take ownership of the MCP Toolbox for Databases codebase, focusing on refactoring legacy components and maintaining high-quality test suites.Technical Documentation: Bridge the gap between engineering and community adoption by converting technical blog posts into functional toolbox sample code and comprehensive documentation.R&D Support: Build and maintain a realistic, high-fidelity data application using QueryData. Use this environment as a primary testbed to support ongoing Product R&D, with a specific focus on advancing the Context Engineering Agent.RequirementsBuild and enhance MCP tools for both proprietary and open-source environmentsExpand test coverage for tools used by AI coding assistants (e.g., Gemini CLI, Claude Code)Refactor, maintain, and improve existing test frameworks and codebasesConvert technical blogs into production-ready sample code and documentationDevelop real-world data applications (e.g., using QueryData) to support product R&D and experimentationCollaborate with cross-functional teams to accelerate adoption of agentic AI capabilitiesNice to haveExperience contributing to open-source projects on GitHub (at least some team members expected)Advanced SQL expertise (preferred for some team members)Perks of Freelancing with our client:Work in a fully remote environment.Opportunity to work on cutting-edge AI projects with leading LLM companies.Potential for contract extension based on performance and project needs.Offer Details:Commitments Required : 40 hours per week with overlap of 6 hours with PSTEngagement type : Contractor (no medical/paid leave)Duration of contract : 6 months with opportunity to extend; [expected start date is 1st week of Jun-2026]Location: North America and LATAMApplyAutofill from resumeDrag & drop or upload to autofill your application.Upload fileFirst Name *​Last Name *​Email *​LinkedIn Profile URL *​Phone Number *​Explan your experience with MCP development? *​Explain your experience with development of Agentic AI systems? *​This role requires you to take a skill-based assessment directly on our client portal, are you open for it? *YesHow many relevant years of experience do you have? *​What is your expected hourly rate in USD? (This is a full-time hourly paid project with 6+ months duration, and option to extend) *​Have you worked on a similar project before? If yes, describe where and with which organization *​How soon can you join? *​Our client uses an automated resume scanner that will reject resumes that are not optimized for the job. Please confirm you've optimized your resume to include relevant keywords, experiences, and skills that showcase why you are a fit for the role. (Note: You can use Careerflow Resume Optimizer to help!) *Yes I have optimized my resume with Careerflow Resume OptimizerYes I have optimized my resume with some other toolYes I have optimized my resume manuallyNo I have not optimized my resume (This may significantly reduce my chances)How did you hear about this role? *​Are you authorized to work as a 1099 Contractor in the US? (No visa...