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Data Scientist/ML Engineer
Ambush is hiring a Machine Learning Engineer (remote, Porto Alegre, Brazil) to design, build, and deploy AI-enhanced applications, focusing on Python (FastAPI) backend orchestration, LLM workflows with LangChain/LangGraph/OpenAI SDK, and secure, scalable deployment of AI services on cloud platforms like GCP, AWS, or Azure.
Senior Data Scientist
StubHub is hiring a Senior Data Scientist to build and own machine learning models end-to-end in a business domain such as experimentation, forecasting, pricing, or customer acquisition. Core stack includes Python/R, SQL, and cloud data platforms (Spark, BigQuery, Snowflake, Databricks, AWS/Azure), hybrid in New York or Century City.
Software Engineer - ML/Computer Vision (Battery Sorting)
Develop and maintain production ML/computer vision systems that sort thousands of batteries per hour using PyTorch and OpenCV, integrating with factory hardware while monitoring model performance and collaborating across engineering and manufacturing teams.
Pessoa Analista de Dados - Jr
Buscamos uma pessoa Analista de Dados para atuar na estruturação, engenharia e análise de dados, sendo responsável por todo o ciclo de vida da informação, desde a ingestão, tratamento e modelagem até a geração de…
Principal Data Architect
Leads design and implementation of complex cloud-based data solutions on AWS for Caylent's clients in a consultative capacity, acting as a data engineering SME for pre-sales, interviewing candidates, and mentoring architects and engineers. Centers on AWS data/analytics: Spark, SageMaker, Bedrock, IaC, CI/CD, and Python.
Senior Platform Engineer
Senior Platform Engineer at Caylent, an AWS-focused cloud services company, builds and maintains the firm's internal AI-native platform: Python/Terraform backends, React/Vite frontends, and GenAI/agentic tooling (RAG, agents) on AWS Bedrock to automate internal processes. Fully remote, employed via CLT in Brazil.
Senior QA Engineer
Senior QA/Test Engineer at Caylent, an AWS consulting partner, designing and running manual and automated test strategies for Amazon Connect contact-center solutions (contact flows, IVR, AI agents) and serverless AWS backends, using tools like Playwright, Cypress, and Selenium. Fully remote, based in Mexico.
Staff Machine Learning Engineer - Risk
Staff-level IC machine learning engineer on Gusto's Data Science team, building and deploying risk models (credit/fraud) for the identity and risk platform. Day-to-day spans the full model lifecycle — research, development, deployment, and monitoring — using Python/R, classical ML (logistic regression, XGBoost, neural nets) and LLMs, hybrid from the San Francisco office.
Business Development Associate, Field Service
Who we are: Geotab ® is a global leader in IoT and connected transportation and certified “Great Place to Work™.” We are a company of diverse and talented individuals who work together to help businesses grow and…
Business Development Associate, Field Service
Who we are: Geotab ® is a global leader in IoT and connected transportation and certified “Great Place to Work™.” We are a company of diverse and talented individuals who work together to help businesses grow and…
Software Firmware Engineer - Bowman
We are currently seeking an experienced Software/Firmware Developer to join our BOWMAN product development team in Calgary, Alberta. BOWMAN is an advanced tactical communications system that integrates secure digital…
Staff Product Manager - Search, Discovery, Personalization
Leads the evolution of onsite search at a fast-growing DTC retailer, turning keyword-based search into an AI-powered, personalized discovery engine using platforms like Algolia and semantic/LLM technologies.
Senior Software Engineer
Build and maintain back-end services for an AI platform that automates and optimizes content strategies for major publishers like The Guardian and Vogue.
Software Engineer, Data Platform
Software engineer on DoorDash's Core Data Platform team, building and scaling data ingestion, compute, and governance infrastructure (Spark, Flink, Kafka, Airflow, lakehouse tech) that powers analytics and real-time personalization. Must be based in or willing to relocate to the Bay Area, Seattle, or NYC.
Software Engineer, Spark Platform
Software engineer on DoorDash's Spark Platform team, building and operating the in-house Apache Spark ecosystem (runtime, shuffle, scheduling, reliability tooling) that serves data, analytics, and ML workloads company-wide. Day-to-day spans Spark runtime upgrades, multi-tenant scheduling and executor bin-packing on Kubernetes, cluster lifecycle automation, and observability/incident automation.
Principal Software Engineer
Principal engineer leading the Safety Foundation team at Roblox, building scalable backend infrastructure and AI-first safety workflows to protect 100M+ daily users.
Senior Software Engineer, Spark Platform
Senior engineer setting the multi-year technical direction for DoorDash's in-house Apache Spark platform on Kubernetes — owning the runtime, remote shuffle service, scheduler, and reliability for data, analytics, and ML workloads at large scale. Also mentors the team, partners on hiring/roadmap, and leads cross-team architecture decisions.
Distinguished Engineer, Machine Learning - Economy
Lead ML systems for Roblox’s virtual economy, building large-scale recommendation, ranking, and generative AI pipelines that power personalized experiences across Marketplace, Payments, and Avatars.