Tech jobs
Job listings
Machine Learning/AI Engineer
Hands-on AI engineer building production-grade GenAI and agentic workflows (exception triage, root-cause analysis, remediation) for financial services clients. Day to day: Python/FastAPI backends, SQL over large datasets, RAG, agent orchestration and tool calling, deployed on cloud. Remote role based in Porto Alegre, Brazil.
Pessoa Engenheira de Inteligência Artificial Especialista
Estamos buscando uma pessoa que ouse protagonizar com a gente. ?? Responsabilidades e atribuições: Projetar, desenvolver e evoluir agentes de IA para automação e otimização do ciclo de desenvolvimento, incluindo…
Senior Machine Learning Engineer, 3D Data
Roblox (San Mateo, CA) is hiring a Senior ML Engineer to build the data flywheel behind its 3D generative AI foundation models: architecting petabyte-scale pipelines to ingest, clean, and synthesize 3D datasets, building evaluation frameworks, and serving high-throughput inference APIs. Core stack is Python, with C++ and game-engine tools (Blender, Unreal, Unity) as pluses.
Engineering Manager, Machine Learning Infrastructure, Ads
Lead a team building and scaling machine learning infrastructure for Roblox’s rapidly growing ads business, enabling performance ad delivery to millions of users.
Distinguished Engineer, Machine Learning - Discovery
Distinguished Engineer/Technical Director owning the technical vision and execution for all machine learning across Roblox's search and discovery teams — setting AI strategy and building large-scale training/serving infrastructure for ranking, recommendation, and generative AI models (embeddings, transformers, LLMs) that power content distribution for a billion users.
Principal Machine Learning Engineer, Alt Defense
Technical lead for Roblox's Alt Defense pod, architecting large-scale ML systems (graph neural networks, clustering) that detect banned bad actors returning with alternate accounts across billions of accounts, in near real time. Onsite in San Mateo, working with Python-scale ML, big data, and low-latency serving.
Principal Machine Learning Platform Engineer, Foundation AI
Principal engineer who owns Roblox's internal ML platform as a product — building serving layers, model registries, pipeline orchestrators, and training/inference control planes exposed via APIs, SDKs, CLIs, and UIs. Blends backend engineering, developer experience, and large-scale GPU infrastructure work.
[2027] Senior Machine Learning Engineer - PhD Early Career
Roblox is hiring a PhD-level senior machine learning engineer to take research projects end-to-end — from ideation through production deployment of deep learning, generative AI, multimodal, CV, NLP, and recommendation models that power the platform for hundreds of millions of daily users.
Principal Machine Learning Engineer - Matchmaking
Principal ML engineer owning the technical vision for Roblox's matchmaking: defining objective functions and building ranking, prediction, and player-to-server assignment algorithms that optimize player experience, developer success, and system efficiency at massive scale. Onsite in San Mateo Tue–Thu; base pay $295,250–$345,040 plus equity.
Senior Software Engineer (Machine Learning) - Economy ML
Builds and operates the ML infrastructure and backend services behind Roblox's virtual economy — training, serving, and integrating ranking, recommendation, and pricing models across Marketplace, Payments, and Developer Monetization. Core stack: Python, PyTorch, GPU training/serving, and Spark/Flink/Kafka pipelines. Onsite Tue–Thu in San Mateo, CA.
Senior Machine Learning Infrastructure Engineer, Matchmaking
Builds and operates large-scale ML infrastructure powering Roblox's matchmaking: real-time streaming data pipelines, online/continual learning, and low-latency training and serving at tens of billions of scorings. Core stack includes Kafka, Flink, Spark, Ray, and feature stores like Redis, Feast, Tecton, and Cassandra. Based in San Mateo, CA (onsite Tue-Thu).
Machine Learning Engineer, Ads
Builds and optimizes AI-powered advertising systems using Grok models for candidate selection, ranking, auctions, and campaign optimization in a high-throughput, revenue-driving role.
Machine Learning Engineer, Recommendation Systems
Builds and optimizes AI-powered recommendation systems for a platform used by 600M monthly users, focusing on ranking algorithms, search, and scalable ML pipelines.
Especialista em Inteligência Artificial (Claude AI) - (Belo Horizonte)
No Grupo Stefanini, acreditamos no poder da colaboração. Co-criamos soluções inovadoras em parceria com nossos clientes, combinando tecnologia de ponta, inteligência artificial e a criatividade humana. Estamos na…
Principal Machine Learning Engineer
Hands-on principal-level ML engineer at Rowden, a Bristol-based defence tech company (~200 staff), acting as technical authority on projects spanning large-model training, LLM/agentic systems, data pipelines, and deployment onto edge/embedded hardware for MOD and government customers. Requires DV clearance eligibility and 3 days/week on-site in Bristol.
Lead Machine Learning Engineer
Craft Lead for the ML team at Rowden, a UK defence-tech engineering firm: ~70% hands-on ML engineering (deep learning, LLM/agentic systems, edge/embedded deployment, MOD R&D) and ~30% leading, developing and hiring engineers. Hybrid role based at Bristol HQ with DV clearance eligibility required.
Principal Machine Learning Engineer
About us Re-architecting Engineering for the Age of Intelligence PhysicsX is the physics AI company for industrials. The company’s mission is to accelerate hardware innovation by overhauling what industrial engineering…
Junior Machine Learning Engineer
Job Description Key Responsibilities \n \n Develop, train, evaluate, and optimize machine learning models. \n Prepare, clean, and analyze datasets for ML applications. \n Implement machine learning algorithms using…
Staff Machine Learning Engineer — Commerce & Growth Intelligence
The Commerce & Growth Intelligence team is looking for a Staff Machine Learning Engineer to build the systems that bring ML capabilities into customer-facing products. Our work spans model inference, distributed ML…
Lead Big Data/ Machine Learning Engineer
Job Description Title: Lead Big Data / Machine Learning Engineer \n Pay: $80-$85 per hour \n Type: McLean, VA Hybrid \n Duration: 8-month contract \n \n Position Overview: \n We are seeking a hands-on Data Engineer…