Open Source Developer AI Tooling & LLMs for Builders
Stealth Startup
Stealth Startup in New York is seeking a passionate Open Source Developer to contribute to and maintain open-source projects and build innovative developer tools. Ideal for early-career engineers, this role offers a unique opportunity to work with cutting-edge AI technologies. Candidates should have proficiencies in Python and familiarity with Git and open-source workflows, as well as a desire to learn and grow in a collaborative environment. #J-18808-Ljbffr Stealth Startup
- We are looking for a passionate Open Source Developer who is excited about building in public, contributing... ...on cutting-edge technologies such as LLMs, AI tooling, and scalable backend systems. This... ...Good problem-solving skills and a builder mindset Nice to Have Contributions...Suggested
$215k - $265k
...engineer to join our new Community Open Source Engineering team focused on... ...security, and strategically developing new features. As a member of... ...on extract‑transform‑load tools or stream processing systems... ...and security platform for the AI era, providing businesses with...Suggested- A technology company is seeking an Open Source Engineer - Go to develop libraries that enhance AI observability across applications. This role focuses on creating... .... The role combines engaging with users, building tools for efficiency, and ensuring seamless integration...Suggested
- ...remote Ruby Engineer for AI Data Training, you will... ...experience using LLMs or AI coding assistants... ...experience with frameworks and tools such as Ruby on Rails,... ...: merged PRs in Ruby open‑source projects, experience... ...Key Responsibilities Develop AI Training Content: Create...SuggestedHourly payContract workPart timeFreelanceRemote work
$60 - $85 per hour
...full-time hours. Ideal candidates should have strong experience with Go, unit testing, and open-source contributions. Responsibilities include writing unit tests, collaborating on AI projects, and improving language model workflows. Compensation is $60-$85/hour based on...SuggestedRemote jobFull timePart time- ...About Fractional AI How do you turn... ...Silicon Valley builders who care deeply about... ...in our first Developer Relations Engineer... ...context Drive open source contributions and... ...enterprise value with LLMs, and building our... ...experiment with the latest tools and share what we...
$200k - $250k
...cloud engineered for AI. We provide cost-... ...trust through openness and transparency,... ...focused on building the tooling that connects... ...measurable, and easier for builders to adopt. What... ...practical source-of-truth boundaries... ...compliance, IT automation, developer productivity, or...Full timeFlexible hours- ...the Junior Software Engineer: AI Tooling role at Jobright.ai 2 days... ...We connect you with verified openings from employers you can trust.... ...startup focused on bringing modern developer tools to the industrial... ...integrations into Copia's existing Source Control and DeviceLink...Full timeSummer workInternship
$225k - $300k
...across FAANG, frontier AI labs, healthcare,... ...stars and broad developer mindshare. We’re... ...and we’re hiring builders who do the same.... ...build the interfaces, tools, and... ...experience across our open-source repos and API. This... ...Experience building with LLMs and agentic...$180k - $200k
...Staff Software Engineer, AI Developer Tools Denver, CO;New York, NY;Atlanta, GA;Seattle, WA;United... ...multiply the velocity of hundreds of builders. Help us drive developer productivity... ...internal platform and APIs that integrate LLMs into the developer workflow, with a...Full timeWork at officeLocal areaRemote work2 days per week3 days per week$150k - $225k
Developer Relations Engineer - Parallelized Layer 1 Blockchain... ...blog posts to guide builders. Community Engagement... ...infrastructure. Tooling: Familiarity with... ...Active participation in open‑source projects, especially within... ..., or hackathons. AI Tooling: Experience with...Contract workRelocation$127k - $269k
Figma is seeking an Open Source Developer to shape extensible tooling across product teams and represent Figma in the open source community. This role involves building frameworks and enabling teams to create, manage, and publish digital experiences efficiently. Based in...Remote jobFull time$150k - $250k
...mighty team of passionate builders and veteran founders.... ...Ethos We believe in an open and flat structure. You... ...engineers on Rain’s new AI team. We’re building from... ...infrastructure: composable tool interfaces, eval... ...production systems that use LLMs, tool calling, structured...Work at officeWork from homeFlexible hours$100k - $143k
...interpersonal skills. Preferred Skills Job scheduling tools (Enterprise Scheduling Processor, Stonebranch). Exposure to CI/CD pipeline and GIT Source Control. Experience with Linux/Unix... ...Programming Language. Experience using AI-assisted tools (e.g., Copilot, ChatGPT)...Work experience placement3 days per week- ...technology firm to hire a Developer Experience Team Lead to... ...of infrastructure, tooling, and developer productivity... ...excited about AI tooling and can speak credibly... ...engineers working with LLMs, not just using AI... ...architectures. Passion for open source tooling and contributions...
- ...are seeking a Generative AI Engineer to build,... ...both frontier and local LLMs. The ideal candidate blends... ..., and LLM monitoring. Tools: Prompt Engineering,... ...Key Responsibilities Develop and orchestrate sophisticated... ...LLMs (commercial and open-source) based on performance...Local area
$230k - $258k
...our product to enable AI sales coaching across their... ...team in NYC with builders who operate like high speed... ...as fast—building the tools, mental models, and platforms... ...and Python Open-source technologies like Node.... ...engineering prowess, ideally developed at start-ups....Work at officeRelocation package- Requisition ID94113DepartmentTech Data AI VenturesJob FunctionTech Data AI VenturesLocationNew... ...skills.Preferred Skills:Job scheduling tools (Enterprise Scheduling Processor, Stonebranch).Exposure to CI/CD pipeline and GIT Source Control.Experience with Linux/Unix...Contract workWork experience placementLocal area
- ...client is building an elite AI engineering team in New York City to develop and scale breakthrough... ...content creation tools, e-commerce recommendations... ...large language models (LLMs), whether via APIs or custom... ...messaging systems. Open-source contributions that showcase...Full timeRemote work
$196k - $294k
...behind Next.js, v0, and AI SDK, we create products that help builders move from idea to production... ..., and exceptional developer experience. Now, software... ...code ~ You use AI tools in your own development... ...on Contributions to open source projects, especially in...Worldwide- ...Mosaic Mosaic is the AI-driven deal modeling... ...This is a role for builders who want real ownership... ...system planning Improve developer tooling, observability, and... ...AI product patterns (LLMs, agents, structured... ...ownership, communicate openly, have an entrepreneurial...Full timeImmediate start
- ...simple but ambitious: to use AI to fix the broken economics and... ...models-but you'll be working with LLMs and AI toolkits to orchestrate... ...can turn these cutting-edge tools into production-ready... ...industries. Contributions to open-source AI/LLM frameworks. Knowledge...Flexible hoursShift work
$120k - $300k
...holders. About Evertune AI Evertune is... ...language models (LLMs) become the go-to source for recommendations -... ...already heavily using AI tools and LLMs in your own... ...Responsibilities Own and develop key areas of Evertune... ...Contributions to open-source projects or...Work at officeLocal areaVisa sponsorship- ...is building the most powerful AI platform for SAP teams. SAP... ...SAP weren't built for modern developer tooling, so we're building foundational... ...~ Production experience with LLMs and AI agents ~ Time at an... ...startup ~ Contributions to open-source projects in AI tooling, developer...Live in
- ...Senior Software Developer - Build Tooling Development Technology is at the heart of Disney's past,... ...Storytellers and Innovators. Creators and Builders. Entertainers and Engineers. We work... ..., etc Familiarity with AI tooling within the software development...Remote work
$150 per hour
...product applies advanced AI to accelerate secure... ...building state-of-the-art AI tools designed specifically... ...play a pivotal role in developing our core technology and... ..., leveraging LLMs and other models to enable... ...models (LLMs), especially open-source LLMs. Prior experience...Full timeRemote workFlexible hours$105.8k - $174.8k
Physical AI Engineering Consultant - Senior - Consulting - Open Location Location: New York Other locations... ...and the opportunity to develop your own career path for... ...from varied data sources across a broad technology... ...manipulation and analysis tools (Pandas, NumPy) to derive...Full timeWork experience placementSummer holidayFlexible hours$104k - $166.75k
...unlimited potential of AI to define the next era... ...advocate and relationship builder for audiences of our... ...sharing, and ensure these developers feel heard, supported,... ...community champions, open-source contributors, and brand... ...vacancy. NVIDIA uses AI tools in its recruiting processes...Work experience placementWork at office$117.1k - $187.3k
...workflows and Content AI platforms. As a successful... ...experience, including developing technology strategies,... ...and frameworks, such as LLMs, multimodal models,... ...experimenting with commercial and open-source GenAI technologies and... ...as Code (IaC) tools (e.g., Terraform, AWS CDK...Work experience placementLive inLocal areaRemote workWorldwide- ...industry. Our growing suite of AI solutions spans ambient... ...evaluation methods for LLMs and have worked with... ...multi‑agent workflows, tool use, or long context. General... ...impact field with a builder attitude! Extremely... ...a diverse team. We are open to all backgrounds and levels...Work at office
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