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Senior Python Startup Jobs in New York (NOW HIRING)

Senior Data Engineer

New York, NY · On-site

$180K - $210K/yr

About The Role We are hiring a Senior Data Engineer to build and scale the data infrastructure that ... startup to scale. Our Tech Stack: BigQuery • dbt • Fivetran • Python • GCP • GitHub • ...

Senior Data Engineer

New York, NY · On-site +1

$176K - $198K/yr

Testing automation via pytest * uv as our Python package manager * Snowflake as our data warehouse ... Experience in an early startup * Experience with setting up and administrating a Business ...

... startup environment; desire to work on the cutting edge of methods and applications Able to ... Python experience required, R experience a plus Proficient with data visualizations and using data ...

Design and maintain high performance APIs using Python and cloud services to handle millions of ... Founder level ownership mindset or early stage startup experience preferred * Ability to work ...

Design and maintain high performance APIs using Python and cloud services to handle millions of ... Founder level ownership mindset or early stage startup experience preferred * Ability to work ...

Senior Software Engineer

New York, NY · On-site

$134K - $176K/yr

We are seeking a Senior Software Engineer to join our founding team. As one of our first ... Bring full-stack experience (e.g., React/TypeScript, Node.js, Python, or similar). * Have startup ...

Clerq - Senior Software Engineer

New York, NY · On-site

$134K - $176K/yr

We are looking for a Senior Software Engineer to join our early engineering team. The ideal ... with Python/Django strongly preferred) * Previous (early stage) startup experience is a plus

About The Role We are hiring a Senior Software Engineer, Data Platform to build and scale the data ... startup to scale. Our Tech Stack: BigQuery • dbt • Fivetran • Python • GCP • GitHub • ...

Senior Software Engineer

New York, NY · On-site

$200K - $275K/yr

You'll work end-to-end across a Python/FastAPI backend, a Next.js/TypeScript dashboard, and the ... a startup, high-velocity SaaS, or AI-driven company - Production LLM experience - you've shipped ...

Staff Engineer

New York, NY · On-site

$150K/yr

This is a senior appointment: Own parts of their core backend infrastructure, which is a complex ... startup company 10+ years of experience in Python development Strong Python Asyncio experience ...

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Senior Software Engineer

Manhattan, NY · On-site +1

$134K - $177K/yr

... in Python, React, and PostgreSQL - Experience in a VC-backed startup or growth-stage environment preferred - Healthcare, mental health, or benefits platform experience is a plus - Strong product ...

Senior Software Engineer

Manhattan, NY · Remote

$125K - $165K/yr

... in Python, React, and PostgreSQL - Experience in a VC-backed startup or growth-stage environment preferred - Healthcare, mental health, or benefits platform experience is a plus - Strong product ...

Thrive in a high-impact, fast-paced, late-stage startup environment Your Expertise * 6+ years of ... Strong proficiency in Python and experience with ML frameworks such as PyTorch, TensorFlow, or ...

Senior Frontend Engineer

Manhattan, NY · On-site

$134K - $185K/yr

... Ruby, Python, Go, PostgreSQL) • Ability to take ownership of projects and drive them to ... Atoms is a robotics startup that develops industrial robotics and physical AI systems to automate ...

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Senior Python Startup information

What is the difference between Senior Python Startup vs Python Developer?

AspectSenior Python StartupPython Developer
CredentialsBachelor's or higher in CS, experience in startupsBachelor's in CS or related field, some experience
Work EnvironmentFast-paced startup, cross-functional teamsEstablished companies or startups, team-based
Industry UsageTech startups, innovative projectsVaried industries, software development
Search IntentSenior roles, startup environment, advanced skillsEntry to mid-level roles, Python programming

Senior Python Startup roles typically require more experience, leadership skills, and familiarity with startup environments. Python Developers may have similar technical skills but often at an earlier career stage and in more established settings. The main difference lies in experience level and work context, with Senior Python Startup positions emphasizing leadership and startup agility.

What are the most commonly searched types of Python Startup jobs in New York? The most popular types of Python Startup jobs in New York are:
What job categories do people searching Senior Python Startup jobs in New York look for? The top searched job categories for Senior Python Startup jobs in New York are:
What cities in New York are hiring for Senior Python Startup jobs? Cities in New York with the most Senior Python Startup job openings:
Infographic showing various Senior Python Startup job openings in New York as of June 2026, with employment types broken down into 48% Full Time, 43% Part Time, 4% Temporary, 4% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

Senior Machine Learning Engineer

SW5 Consulting

New York, NY • Remote

$180K - $250K/yr

Full-time

Posted 20 days ago


Job description

Senior Machine Learning Engineer


Location: Remote (U.S.) or New York City


Compensation: $180K – $250K + Equity


Employment Type: Full-time


About Us

We’re building cutting-edge AI solutions that help some of the world’s most recognizable brands connect with their customers in smarter, more meaningful ways. Our technology predicts who to reach, when to reach them, and through which channel—maximizing engagement and driving profitable growth.


The Role


As a Senior Machine Learning Engineer, you’ll be at the heart of our product innovation. You will:

  • Design, train, and deploy ML models that power marketing personalization at scale.
  • Build robust MLOps pipelines for training, serving, and monitoring models in production.
  • Experiment and optimize using A/B testing, uplift modeling, and causal inference.
  • Collaborate with leadership and cross-functional teams, mentoring others and shaping best practices.


What We’re Looking For

  • 5+ years in software engineering, with 3+ years in ML systems.
  • Experience with GCP, specifically in Vertex AI and / or Kubeflow
  • Expertise in modern ML algorithms (tree-based methods, deep learning, transformers).
  • Hands-on experience with PyTorch, TensorFlow, XGBoost.
  • Strong Python skills and familiarity with Spark, Ray, BigQuery, Airflow.
  • Experience with MLOps, CI/CD, containerization (Docker/Kubernetes), and cloud platforms (GCP preferred).
  • Comfort with advanced experimentation techniques and performance measurement.


Bonus Points

  • Background in marketing tech or ad tech.
  • Experience with LLMs, reinforcement learning, or bandit algorithms.
  • Familiarity with causal inference and uplift modeling.
  • Startup experience and ability to thrive in a fast-paced environment.


Why Join Us?

  • Impact: Your work will directly shape how leading brands engage millions of customers.
  • Growth: Collaborate with industry veterans and learn from the best.
  • Innovation: Experiment with cutting-edge ML models and infrastructure.
  • Culture: We value ownership, iteration, and continuous learning—your voice matters.


This role is a fully remote role but you MUST be based in US and eligible to work without sponsor. Bonus points if you can occasionally get to New York. The position will pay $200-250k + equity