A Unique Opportunity to Join SignalFire’s Portfolio of Top-Tier Startups
At SignalFire, we partner with the most promising early-stage startups shaping the future of technology. Our portfolio spans over 200+ groundbreaking companies, including well-known names like Grammarly, Ro, and Color Genomics. We typically focus on B2B and enterprise, with investments across health tech, cybersecurity, developer tools and infrastructure, fintech, legal tech, edtech, and vertical SaaS and AI.
We are seeking exceptional AI Engineers to join our portfolio companies as founding team members, working directly with visionary founders in SignalFire's portfolio. You’ll have the chance to shape the future of AI across industries and bring transformative ideas to life. This is a blanket application and a chance to get exposure to a full portfolio of VC-backed startup opportunities—our talent team and founders will review your application and reach out if there’s a match.
Please Note: These are full-time opportunities directly with portfolio startups themselves, not through SignalFire.
What You’ll Do:
Design, develop, and deploy machine learning (ML) and deep learning models for cutting-edge applications.
Build pipelines for data preprocessing, feature engineering, and model training.
Deploy and optimize models in production for real-time and batch processing.
Work directly with founders to align AI/ML solutions with product and business strategies.
Conduct research on emerging AI technologies and integrate state-of-the-art methodologies.
Develop and optimize RAG pipelines, agent architectures, and other LLM-powered systems
What You Bring:
3+ years of experience in machine learning, deep learning, or applied AI.
Proficiency in Python and ML frameworks such as TensorFlow, PyTorch, or JAX.
Strong background in data manipulation with Pandas, NumPy, and Dask.
Experience with big data tools like Apache Spark, Hadoop, or Kafka.
Familiarity with cloud platforms (AWS, GCP, Azure) and containerization tools like Docker and Kubernetes.
Knowledge of MLOps tools like MLflow, TFX, SageMaker, or DataRobot.
Experience in early-stage environments or lean teams is a plus.
Technologies You’ll Work With: Python, TensorFlow, PyTorch, JAX, scikit-learn, Kubernetes, Docker, MLflow, TFX, Kubeflow, FastAPI, Flask, SQL, NoSQL, Apache Spark, Kafka, Hadoop, Flink, Airflow, AWS (SageMaker, Lambda, S3), GCP (Vertex AI, BigQuery), Azure (ML Studio, Synapse).
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Are you ready to be part of something special? As a Founding AI Engineer at SignalFire’s portfolio of exciting startups in San Francisco, you’ll be at the forefront of technological innovation! Our portfolio boasts over 200 cutting-edge companies, including industry leaders like Grammarly and Color Genomics, and we’re excited to expand our talent pool of exceptional engineers. This role offers a unique opportunity to work directly with visionary founders, helping shape AI solutions that will transform various industries. You'll design and deploy machine learning models for groundbreaking applications, build data pipelines, and optimize systems for maximum performance. Collaboration is key, as you’ll be working closely with startup founders to ensure that the AI initiatives align perfectly with their business strategies. Your research skills will shine as you explore and implement emerging AI technologies, while your expertise in Python, TensorFlow, and cloud platforms will be put to great use. If you have over three years of experience in the AI field and a knack for early-stage environments, we want to hear from you! Join us, and let’s make some magic happen in the world of technology together!
SignalFire is the first venture capital firm built from the ground up as a technology company. The company invests in leaders with an uncommon passion, offering unprecedented data, advice, and access from seed to scale. With a hybrid technology an...
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