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Develops and optimizes high-performance, low-latency trading systems and AI/ML models for Optiver’s global trading platform, collaborating with traders and researchers to innovate and improve core infrastructure.
WHY JOIN ALO? Mindful movement. It’s at the core of why we do what we do at ALO—it’s our calling. Because mindful movement in the studio leads to better living. It changes who yogis are off the mat, making their lives…
Build and deploy ML models for marketing (CRM, ad bidding) using Python/R and XGBoost, then analyze results to drive revenue growth for a global licensed sports merchandise platform.
Data Scientist on Airbnb's Community Support team applying causal inference and causal ML to measure the impact of product launches, optimize budget allocation, and quantify quality-cost tradeoffs. Core work involves experiment design, statistical modeling, and deploying models using Python/R and SQL. US-remote eligible.
About Us: The United States has the poorest maternal and birth outcomes of all developed countries with the underserved, Black, Brown, Indigenous communities disproportionately affected. Nadia Care is working to…
Remote-in-Brazil mobile QA leader (internally titled Staff QA Engineer I) who owns iOS/Android quality strategy: building automation frameworks (Appium, Espresso, XCUITest, Maestro), wiring tests into CI/CD, defining device coverage and release practices, operationalizing AI-assisted testing, and mentoring QA engineers. Starts at $6,400 USD/month.
Staff-level QA engineer owning mobile quality strategy for Housecall Pro's iOS and Android apps: defining automated, exploratory, and E2E testing with frameworks like Appium, Espresso, XCUITest, and Maestro, wiring tests into CI/CD, and advancing AI-assisted/agentic testing workflows. Based in Brazil; compensation starts at $6,400 USD/month.
At a proprietary options market-making firm, you'll build agent tooling and shared AI infrastructure (inference, tracing, integrations, access controls) used by engineers, quants, and traders, and prototype agent uses in research, simulation, and trading. Core work spans LLM/agent APIs with Python, C++, and/or Java.
About BuzzFeed, Inc. BuzzFeed, Inc. (Nasdaq: BZFD) is home to the best of the internet with a mission to spread joy and truth. Across entertainment, news, food, pop culture, and commerce, our brands drive conversation…
Staff engineer on Fanatics Betting & Gaming's Sportsbook Retail team: leads data-driven engineering strategy, delivery tracking, and cross-team stakeholder work while staying hands-on with Java microservice backends and React/Angular frontends using WebSockets, Jenkins, and Docker. Hybrid in New York with up to 15% travel.
Empower Pharmacy is a visionary healthcare company dedicated to making quality, affordable medication accessible to millions of patients nationwide. As the nation’s most advanced 503A compounding pharmacy and…
Axsome Therapeutics is a biopharmaceutical company leading a new era in the treatment of central nervous system (CNS) conditions. We deliver scientific breakthroughs by identifying critical gaps in care and develop…
An SDET/Staff QA Engineer in Brazil who builds and runs manual and automated tests, leads AI-assisted and agentic testing workflows (MCP, Playwright, Maestro), sets QA standards, and mentors other engineers. Core tech includes Playwright, Cypress, TestNG/JUnit, GitLab CI/CircleCI, JIRA, and TestRail.
Staff QA/SDET engineer at Housecall Pro based in Brazil who leads AI-assisted and agentic testing workflows (MCP tools like Maestro and Playwright MCP), designs automated test strategies and frameworks, and mentors QA engineers while ensuring product quality across squads.
Principal-level engineer on Elastic Cloud's Platform Infrastructure (Application Networking) team, setting the technical direction for Ingress, private connectivity, DNS, and security controls at scale. Requires deep distributed-systems and cloud-native networking expertise; Kubernetes networking (Cilium, Envoy Gateway, Crossplane) and major-cloud experience are a plus.
Operates laser scanners, laser trackers, and machine vision systems to perform dimensional inspection and quality data analysis for components of Valar Atomics' modular nuclear reactors. Day-to-day involves running metrology equipment, interpreting GD&T drawings, maintaining/calibration, and partnering with Manufacturing and Engineering to resolve quality issues.
A Principal-level engineer to set the technical direction of Elastic Cloud's application networking — Ingress, private connectivity, DNS, and security controls — designing, building, and operating high-performance distributed systems at scale. Day-to-day spans architecture ownership, multi-quarter cross-team projects, incident leadership, on-call, and mentoring, using Kubernetes and major cloud pr
About Mesh At Mesh, our mission is to enable consumers to pay and be paid with any asset. Today, trillions of dollars in tokenized assets exist but remain largely unusable for everyday commerce. Mesh is bridging this…
Process Engineer II optimizes and scales pharmaceutical manufacturing processes using AI analytics, process validation, and digital tools to improve efficiency, compliance, and product quality in a regulated 503A/503B facility.
Jampp, a programmatic mobile advertising platform, is hiring a Senior Machine Learning Engineer in Argentina to build and scale the ML module of its ad bidder, which predicts in under 20 milliseconds which ad and price to bid. The work is mostly Python on AWS, building scalable training pipelines and evaluating statistical models.
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