Plus.ai

Software Engineer/Senior Software Engineer, Applied ML & Data Mining

Plus.ai$130K — $220K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • BS, MS, or PhD in Computer Science, Machine Learning, or related field, or equivalent experience
  • Hands-on experience with machine-learning, data-mining, or information-retrieval methods using PyTorch or TensorFlow
  • Understanding of model uncertainty, embeddings, and data composition for machine learning
  • Strong ownership mentality and ability to drive projects end-to-end

Responsibilities

  • Develop and evaluate mining and ranking methods using diverse signals
  • Build and evolve a semantic search for images, videos, and scenarios
  • Create and operate distributed mining and inference pipelines over large data sets
  • Design and deliver mining products including APIs, services, and relational models
  • Contribute to the Quality Management System and continuous improvement

Benefits

  • Opportunity to work on cutting-edge autonomy and ML technologies
  • Access to a diverse, data-rich environment with fleet-scale imagery
  • Flexible candidate levels based on experience and impact
  • Potential for cross-functional growth across scalable systems and product stack
Full Job Description
Finding the right data is central to improving autonomous-driving models. Among petabytes of fleet data, you will develop methods that identify and rank the most valuable moments for training and evaluation, then turn those methods into reliable tools that autonomy and ML engineers use to search, review, and curate datasets. You will work at the intersection of applied machine learning, information retrieval, large-scale data processing, and product engineering. We welcome candidates with ML or data-mining foundations who are excited to grow across scalable systems and the product stack.

We are open to candidates at either the Software Engineer or Senior Software Engineer level. Level will be determined by experience, technical depth, scope of ownership, and demonstrated impact. You do not need experience with every technology in our stack; we value strong fundamentals, ownership, and the ability to learn.

Responsibilities:
  • Develop and evaluate mining, retrieval, and ranking methods using signals such as model confidence, disagreement, embeddings, anomalies, temporal behavior, and learned representations
  • Build and evolve semantic image/video/scenario search, including text-to-image/video and image-to-image or video-to-video retrieval, vector search, metadata and temporal or spatial filters, task-specific ranking, and search quality, freshness, latency, and reliability
  • Build and operate distributed mining, inference, and indexing pipelines over fleet-scale imagery, video, time-series, and autonomy-system data, including GPU batch inference, embedding generation, reproducible candidate datasets, and reliable index refreshes
  • Design and ship mining products end to end: Python APIs and services, relational data models, asynchronous jobs, modern TypeScript/React search and review experiences, deployment, access control, testing, observability, and production reliability
  • Ensure that your work is performed in accordance with the company's Quality Management System (QMS) requirements and contribute to continuous improvement efforts


Required Skills:

  • BS, MS, or PhD in Computer Science, Machine Learning, or a related technical field, or equivalent practical experience
  • Hands-on experience developing and evaluating machine-learning, data-mining, computer-vision, or information-retrieval methods with a framework such as PyTorch or TensorFlow, including experimentation, error analysis, and principled metrics
  • Foundations for data-centric machine learning: an understanding of model uncertainty and evaluation, embeddings and similarity search, and how training-data composition shapes model behavior
  • Self-driven with a strong sense of ownership: a quick learner who is eager to take responsibility and drive projects forward end to end


Preferred Skills:

  • Production full-stack experience spanning backend services and REST APIs, relational data modeling and SQL, and modern JavaScript or TypeScript frontend development using React or a comparable framework
  • Experience improving models through data - training or fine-tuning, active learning and data flywheels, hard-example mining, uncertainty or disagreement signals, dataset curation - ideally in autonomous driving, robotics, or perception
  • Experience with embedding and multimodal models (CLIP-style models, VLMs), vector databases (Milvus, FAISS, pgvector), or GPU batch inference at scale


$130,000 - $220,000 a year

About Plus.ai

Land O'Lakes, Inc. is an American member-owned agricultural cooperative based in the Minneapolis-St. Paul suburb of Arden Hills, Minnesota, United States, focusing on the dairy industry. The cooperative has 1,959 direct producer-members, 751 member-cooperatives, and about 9,000 employees who process and distribute products for about 300,000 agricultural producers, handling 12 billion pounds of milk annually. It is ranked third on the National Cooperative Bank Co-op 100 list of mutuals and cooperatives. The co-op is one of the largest producers of butter and cheese in the United States through its dairy foods business; serves producers, animal owners and their families through more than 4,700 local cooperatives, independent dealers and other large retailers through its Purina Animal Nutrition business; and delivers seed, crop protection products, agricultural services and agronomic insights to 1,300 locally owned and operated cooperative and independent agricultural retailers and their grower customers through its WinField United business.
Learn more about Plus.ai

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