Full-Time

Senior Machine Learning Engineer

Updated on 3/14/2025

Pickle Robot

Pickle Robot

51-200 employees

Develops robots for warehouse unloading tasks

No salary listed

Senior

Cambridge, MA, USA

Hybrid position requiring at least 3 days a week in the Cambridge, MA office.

Category
Applied Machine Learning
Robotics & Autonomous Systems
Deep Learning
AI & Machine Learning
Required Skills
LLM
Python
Tensorflow
Pytorch
Machine Learning
C/C++
OpenCV
Reinforcement Learning
Requirements
  • 5+ years of experience in machine learning, deep learning, or reinforcement learning for robotics.
  • Hands-on experience with robotic perception, motion control, and adaptive decision-making models.
  • Strong background in ML model development, training pipelines, and real-world deployment.
  • Experience in R&D environments, rapidly prototyping and iterating on AI models.
  • Familiarity with robotics simulation environments and synthetic data generation.
  • Strong understanding of multi-modal sensor fusion (LiDAR, depth cameras, IMUs) and time-series modeling.
  • Experience working with different AI models, including LLMs, generative AI, diffusion models, and reinforcement learning algorithms.
  • Proficiency in Python, C++, and experience with robotics frameworks (ROS2, PyTorch, TensorFlow, JAX, OpenCV).
  • Experience with physics-based simulation tools (Isaac Sim, Mujoco, Gazebo, PyBullet).
  • Expertise in large-scale dataset curation, sensor fusion, and distributed ML pipelines.
  • Experience with edge AI and deploying ML models on embedded robotics platforms.
  • Background in multi-agent reinforcement learning (MARL) for robotic coordination.
  • Understanding of generative AI (Diffusion Models, Transformers) applied to robotic environments.
  • Experience with foundation models and fine-tuning large-scale pretrained ML models for robotics.
Responsibilities
  • Research, prototype, and develop AI-driven models for robotic manipulation, grasping, and object interaction.
  • Design and optimize Classical ML / deep learning and reinforcement learning (RL) models for robotic control and decision-making.
  • Develop simulation-driven ML pipelines, integrating synthetic data, real-world sensor data, and reinforcement learning.
  • Work with different learning models, including Large Language Models (LLMs), transformer-based architectures, and generative AI to enhance robotic intelligence.
  • Collaborate with robotics engineers, software developers, and mechatronics teams to integrate ML models into real-world robotic systems.
  • Design and implement scalable ML frameworks for real-time robotics applications.
  • Conduct model evaluation, benchmarking, and performance tuning to improve accuracy, robustness, and generalization.
  • Develop and maintain data pipelines, including sensor data collection, annotation, and preprocessing for AI model training.
  • Experiment with foundation models and generative AI for robotics applications.
  • Work with physics-based simulators (Isaac Sim, Mujoco, PyBullet, Gazebo, DRAKE) to train and validate ML models.
Desired Qualifications
  • Passionate about AI for robotics and solving hard, real-world problems.
  • Strong R&D mindset, excited about prototyping and pushing AI innovation.
  • Self-driven, curious, and thrives in an experimental, fast-paced environment.
  • Effective collaborator, able to work cross-functionally with robotics and software teams.
  • Willing to work onsite at our Cambridge, MA office at least 3 days a week.

Pickle Robot develops robots that help with unloading tasks in warehouse loading docks. Their robots are designed to assist human workers by taking on the physically demanding job of unloading trucks and containers, which helps reduce the physical strain on employees and boosts productivity. The company primarily targets logistics and e-commerce businesses, offering robotic solutions that can be purchased or leased. Revenue comes from selling robotic units, providing maintenance services, and possibly licensing software. Pickle Robot stands out by focusing on collaboration between robots and humans, ensuring a safer and more efficient unloading process.

Company Size

51-200

Company Stage

Series B

Total Funding

$99.7M

Headquarters

Cambridge, Massachusetts

Founded

2018

Simplify Jobs

Simplify's Take

What believers are saying

  • Recent $50M Series B funding boosts development and market expansion efforts.
  • Growing demand for automation due to labor shortages benefits Pickle Robot's solutions.
  • Strategic partnerships, like with Yusen Logistics, enhance supply chain efficiency.

What critics are saying

  • Competition from established robotics companies may pressure market share and pricing.
  • Supply chain disruptions, like semiconductor shortages, could delay robot deployment.
  • Potential regulatory changes in labor laws could impact product deployment.

What makes Pickle Robot unique

  • Pickle Robot focuses on collaborative robots for e-commerce supply chain automation.
  • Their robots reduce physical strain and increase productivity in warehouse environments.
  • Partnerships with major logistics companies enhance their market presence and credibility.

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Benefits

Healthcare

401k

Snacks and cold brew

Competitive pay

Equity stakes

Growth & Insights and Company News

Headcount

6 month growth

↓ -6%

1 year growth

↓ -5%

2 year growth

↓ -10%
Robotic Vehicle Technology
Nov 25th, 2024
Pickle Robot Closes $50 Million Series B Funding

Pickle Robot Company ("Pickle Robot") has raised $50 million in series B funding with participation from a strategic customer, Teradyne Robotics Ventures, Toyota Ventures, Ranpak, Third Kind Venture Capital, One Madison Group, Hyperplane, Catapult Ventures, and others.

Benzinga
Nov 20th, 2024
Pickle Robot Raises $50M, Secures Orders

Pickle Robot Company announced it raised $50 million in Series B funding with participation from Teradyne Robotics Ventures, Toyota Ventures, and others. In Q3 2024, six customers ordered over 30 unload robots for deployment in early 2025. The funding will accelerate new feature development and expand commercial teams to access new markets. CEO AJ Meyer highlighted the value of their Physical AI in logistics, aiming to enhance supply chain robotics and customer value.

GlobeNewswire
Nov 20th, 2024
Pickle Robot Closes $50 Million Series B Funding and Secures New Orders for 30+ Unload Robots

Pickle Robot closes $50 million series B funding and secures new orders for 30+ unload robots.

U.S. Securities and Exchange Commission
May 30th, 2024
SEC FORM D

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.The reader should not assume that the information is accurate and complete.

Logistics Online
Dec 6th, 2023
Yusen Logistics Partners With Pickle Robot To Streamline Container Unloading, Enhancing Worker Safety And Efficiency

Secaucus, NJ and Cambridge, MA (GLOBE NEWSWIRE) - Yusen Logistics (Americas) Inc., a leading global supply chain logistics company, has entered into a strategic collaboration with Pickle Robot Company ("Pickle Robot"), a leader in Physical AI and robotic automation.