Founding ML Engineer
Kodezi Inc.
Design the intelligence and memory layer. LLMs, embeddings, and systems thinking required. Kodezi isn’t just another dev tool. It’s the orchestration layer beneath your software. We’re building Kodezi OS , a real-time, cross-platform operating system that heals, evolves, and documents codebases autonomously. As a Founding ML Engineer , you’ll architect the intelligence powering autonomous pull requests, long-term memory, and self-improving workflows. You’ll work across product, infra, and full-stack teams to embed real-time decision-making into the operating system for code. This role is in-person in San Francisco , with remote options across North America and Europe for exceptional candidates. Design and deploy systems for healing, documentation, testing, and code evolution Build and scale memory-driven workflows using embeddings and semantic context Develop and refine agent behavior models for planning, implementation, and review Optimize internal model routing, prompt logic, and interaction history Work closely with product and frontend teams to surface model insights across the OS Build internal tools for evaluating intelligence, tracing decisions, and tuning workflows Lead the roadmap for intelligence infrastructure and long-term learning 3 to 5+ years of experience building and shipping applied ML or intelligent systems Experience designing or deploying custom models, agents, or ML pipelines Familiarity with retrieval-augmented generation, embeddings, and vector memory Understanding of prompt chaining, output evaluation, and workflow tuning Experience working with structured code data such as diffs, ASTs, repositories, or version history Experience with testing models, program repair, or codebase analysis Strong product awareness and ability to design intelligence that feels intuitive Be one of the first 5 engineers building the OS for autonomous code Work on ML systems that act inside real developer workflows , not just suggest Help shape a product used by millions of engineers to reduce toil and increase flow Operate in a high-trust environment with full ownership from day one Collaborate with deeply technical builders who care about architecture, craft, and long-term impact What You’ll Get Competitive salary We pay for talent, not timezone Equity Real ownership in the OS for code Workspace stipend Pick your gear with no red tape Health, dental, and vision coverage Stay sharp and stay well 40+ hours per year for learning and growth Conferences, courses, books, your call Flexible PTO No approvals needed. Rest when you need Annual team offsite We meet in person to connect, reflect, and build Full developer stack access Get the tools you need with zero friction Zero micromanagement We hire you to lead, not to follow We’re not looking for employees. We’re looking for early believers . Kodezi isn’t a job. It’s a bet on a better future for code—and the operating system to sustain it. #J-18808-Ljbffr Kodezi Inc.
$200k - $280k
...A leading voice AI startup is seeking a Founding Senior Machine Learning Engineer to fine-tune and deploy human-like voice agents, handling millions of real... ...should have real-world experience in deploying ML models and work well in a fast-paced environment. J-1880...SuggestedFull time- A pioneering hedge fund in San Francisco is seeking a Founding ML Engineer to architect and build machine learning systems for investment decisions. This hands-on role requires 5-10+ years of experience and proficiency in Python and ML frameworks like PyTorch and TensorFlow...SuggestedFull time
- ...the definitive platform for understanding and improving how engineering teams work. We believe the way engineering output is measured... ...since May and are looking to accelerate our growth. As Weave’s Founding ML Engineer , your job is to build ML systems to understand and...Suggested
$200k - $250k
Founding ML Engineer - Anthropic Backed Startup $200,000 - $250,000 + Founding Team Equity Most ML roles ask you to fine-tune someone else's idea. This one asks you to build the thing that changes how professionals work entirely. Backed by Anthropic. The problem is...SuggestedInternshipWork at office$150k - $300k
...records from across the web. You will own the ML systems that turn that raw, multilingual,... ...dilution. Own the full ML research and engineering cycle, from prototype to production.... ...Work in a role with a direct path toward founding something of your own. #J-18808-Ljbffr Open...Suggested- ...went from 0 to $7M ARR in our first 12 months. Now we need someone who can push the boundaries of what our ML systems can do. We're hiring a Founding ML Engineer to own the research and engineering behind our core intelligence layer. Our platform indexes hundreds of millions...
- A technology startup is seeking a Founding Engineer (Systems + ML) to develop GPU-accelerated engines and build end-to-end pipelines. The ideal candidate has proven experience in C++ and GPU code, alongside a deep understanding of systems performance. You'll join as the...Full time
- ...A biotechnology firm in San Francisco is searching for a Founding Machine Learning Engineer to develop scalable ML systems focused on RNA biology. This entry-level full-time role involves designing training pipelines, developing distributed training strategies, and collaborating...Full time
$175k - $300k
...K cash. You will own a meaningful piece of the company. High talent density: Be a part of a great founding team in SF. Shivaal Roy (CTO) was a founding engineer at Glean ($100M+ ARR today) and managed the Assistant and Search teams, where he solved similar problems...Full time- ...About the Role We're looking for founding Machine Learning Engineers (MLEs) to own and improve our core action models end-to-end - the intelligence... ...migration or IT friction. This architecture creates unique ML challenges. This is a high-ownership role on our small...Full timeSleeping nights
- ...About the company We’re a team of engineers, neuroscientists, and designers solving the most... ...We’re building a generational founding team which is truly full-stack - from neural... ...researchers also considered) ~3+ years of applied ML research or development experience, or...Full time
$55 per hour
...legacy stack to inherit — you'll be setting the direction for how we do modeling, data engineering, and production ML at Wholesail for years to come. The Role ⚒️ As the founding MLE on the Risk Engineering & Capital Products team, you'll own credit risk modeling...Full timeTemporary workWork at officeLocal area$150k - $225k
...strengthen their communities. The Role We’re looking for an Founding AI Engineer to design, build, and scale the intelligence layer that... ...learning techniques Experience building and scaling data or ML pipelines in production environments Curiosity about user...Full timeWork from homeFlexible hours- ML/AI Research Engineer — Agentic AI Lab (Founding Team) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + meaningful equity (founding tier) Backed by 8VC, we're building a world‑class team to tackle one of the industry’s most critical...Full time
- ...researchers, designers, growth experts, and engineers rethinking human-computer interaction... ...the beginning. About the Role As a ML engineer at Wispr, you’ll play a crucial... ...handle What are we looking for? Previous founding or startup experience Experience...Full time
$130k - $250k
...from traditional search to AI-agent-driven discovery. Founded 2025 · 1–10 people (Seed) · Industry: AI Tools The Role Engineer number one, spanning product engineering across the full stack plus applied-ML judgment to build reliable AI systems — ranking, evals, attribution...Full timeShift work- ...will analyze flight data, interpret human performance, and deliver feedback that makes pilots safer and more effective. As an AI/ML Engineer, you’ll design and deploy the machine learning systems that power everything from student training flights to commercial airline...Full timeWeekend work
- ...researchers, designers, growth experts, and engineers rethinking human-computer interaction... ...well-known angels. About the Role As a ML engineer at Wispr, you’ll play a crucial... ...handle What are we looking for? Previous founding or startup experience Experience optimizing...
- Check out 1962 new Machine Learning Engineer opportunities posted on AI Chopping Block Design... .... Develop and optimize end-to-end ML pipelines encompassing data collection, labeling... ...to grow the evaluation team as the founding member, and leading the evaluation team in...Flexible hours
- San Francisco | Work Directly with CEO & founding team | Report to CEO | OpenAI for Physics | 5 Days Onsite Machine Learning Engineer Location: Onsite in San Francisco Compensation... ...About the Role UniversalAGI is hiring an ML Engineer to help ship ML outcomes by owning...Work at officeFlexible hours1 day per week
$130k - $250k
...- $250,000 What You'll Own Build custom ML models to classify prompts, predict opportunity, and prioritize... ...judgment on when to use AI and when not to Prior founding experience or was an early engineer at a Seed, Series A, or Series B company Nice-to-...Full time$125k - $200k
...major offenses by reducing digital evidence overload. The founding team includes engineers who have built national-scale government systems before, and... ...leads across backend infrastructure and applied ML. Tech stack: Python, FastAPI, LangChain, PyTorch; LLM/...Full time- ...leave a clean trail of tests and dashboards behind. Required Qualifications: Expert-level PyTorch. Proven software engineer who loves ML; comfortable writing production code across the stack. Hands-on experience training or fine-tuning large language or other...Full timeContract workFlexible hoursShift work
- ...We are a small, fast-growing team of engineers in San Francisco powering Fortune 100 enterprises... ...and adapt quickly ~ Prior startup or founding experience is a plus About the Role... ...Requirements ~3+ years in applied ML or research, or strong open source record...Full timeWork at officeVisa sponsorshipRelocation package
- ...About Handshake Handshake was founded on a simple belief that everyone deserves a path to... ...educational institutions Work together with engineers, scientists, operators, and more from... ...data at the largest scale. The ML Opportunity at Handshake: Machine Learning...Full timeWork at officeRemote workFlexible hours
- ...Capital, and are hiring a Machine Learning Engineer to help us train and deploy the models... ...with training, fine tuning, and evaluating ML models used in production systems... ...points if you: Have prior experience founding a company or building products at early stages...Full timeWork at officeLocal area
$250k
...client, a venture-backed AI Startup, is hiring a talented ML/AI Research Engineer to join their team in San Francisco. The successful candidate... ...SOC2, HIPAA or GovCloud environments, or prior startup/founding team experience is a bonus. Benefits ~Salary: Circa. $2...Permanent employment$150k - $225k
...company in San Francisco is seeking an entry-level Machine Learning Engineer to develop cutting-edge AI solutions. Candidates should have 1-3... ...learning, with strong Python skills and a foundation in AI/ML, particularly LLMs. The role involves building and maintaining ML...Full timeFlexible hours$220k - $260k
...We are looking for a Founding Machine Learning Engineer to lead the development of scalable ML systems for RNA biology at EPM Scientific. Base Pay Range $220,000.00/yr – $260,000.00/yr Responsibilities Design and implement high-performance training pipelines...Full time$165k - $190k
...everyone deserves access to affordable and simple legal services. Founded in 2008, Rocket Lawyer is the largest and most widely used... ...Rocket Lawyer is seeking an experienced, passionate AI/ML software engineer for Rocket Copilot, our new AI assistant launched in December...Full timeWork experience placementWorldwide
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