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Reflection Backed by Lightspeed
6 views last month

Member of Technical Staff - Multilingual Data

Open 36d On-siteNorth America, UK

Reflection is hiring a Member of Technical Staff for Multilingual Data to design and operate pipelines for sourcing, cleaning, deduplicating, and normalizing multilingual corpora, define corpus quality standards, run data-efficiency experiments, and build language-specific evaluations and diagnostics to improve multilingual model capability. Core skills include software engineering, distributed co

Data Pipelines Distributed Computing
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Reflection Backed by Lightspeed
10 views last month

Member of Technical Staff - Evaluations

Open 36d On-siteNorth America, UK

Conducts comparative analyses of LLM capabilities and builds evaluation systems that link data, evaluations, and model behavior at Reflection — developing generalizable frameworks for reasoning, alignment, and usefulness using synthetic evaluations, human feedback, and real-world interaction data, in close collaboration with research teams.

Agentic AI LLM
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Cerebras Systems, Inc.
6 views last month

Staff Software Engineer Inference Cloud

Open 36d On-siteNorth AmericaStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Staff engineer owning major areas of Cerebras's cloud-platform architecture for AI inference services: designing distributed components (routing, load balancing, caching, failover), writing production code, leading incident response and capacity planning, and mentoring senior engineers. Core stack involves Go, C++, or Python and large-scale multi-region distributed systems.

Cloud C++ Distributed Systems Networking Observability +1 skills
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Cerebras Systems, Inc.
8 views last month

Staff Software Engineer GPU Inference

Open 36d HybridNorth AmericaStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.

Staff engineer who builds and operates Cerebras' GPU inference stack — serving workers, runtimes, GPU nodes, networking, and rack-scale infrastructure — improving reliability, latency, throughput, and numerical correctness. Core tech: C++, Python, GPU serving frameworks (vLLM/SGLang/TensorRT-LLM/Triton), Linux, Kubernetes, and profiling/observability tooling.

API Automation CI/CD C++ Distributed Systems +12 skills
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Cerebras Systems, Inc.
5 views last month

Staff Software Engineer Tools and Infrastructure DevOps

Open 36d HybridNorth AmericaStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.

Staff-level DevOps engineer at Cerebras Systems who designs and evolves CI/CD pipelines, artifact/versioning systems, build and test infrastructure, and cloud-based developer tooling. Day to day they optimize cloud infrastructure for CI workloads, troubleshoot build and pipeline failures, improve code-review workflows, mentor engineers, and join on-call/incident rotation.

AI Automation CI/CD Cloud Containerization +7 skills
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Reflection Backed by Lightspeed
5 views last month

Member of Technical Staff - Web Crawl Engineer

Open 36d On-siteNorth America
United States

Builds and operates web-scale crawling infrastructure: URL discovery, prioritization, scheduling, content extraction, and dataset delivery. Works with distributed systems like Ray, Spark, Beam, or Flink, plus HTML parsing/browser rendering, and builds observability and reliability tooling for petabyte-scale crawl pipelines.

Automation Distributed Systems Flink HTML Observability +1 skills
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Reflection Backed by Lightspeed
8 views last month

Member of Technical Staff - Engineering Lead Data Ingestion

Open 36d On-siteNorth America, UKLead

Engineering lead for data ingestion at Reflection: build and mentor a team of data ingestion engineers while staying hands-on, leading web crawling, ingestion pipelines, and data-lake delivery at petabyte scale. Core stack includes Ray, Beam, Spark, Airflow, Prefect, Parquet, JSONL, and WARC, with work tied to LLM training impact.

Airflow Data Ingestion Data Lake Data Quality LLM +3 skills
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Reflection Backed by Lightspeed
13 views last month

Member of Technical Staff - Data Quality Engineer Pre-training

Open 36d On-siteNorth America, UK

Reflection is hiring a Data Quality Engineer for LLM pre-training to define measurable data-quality standards, build automated QA pipelines and human-in-the-loop checks, and monitor quality trends using Python and ML/LLM workflows. On-site roles in San Francisco, New York, or London.

Acceptance Criteria Data Pipelines Data Quality LLM Machine Learning +1 skills
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Reflection Backed by Lightspeed
14 views last month

Member of Technical Staff - Data Quality Engineer Post-training

Open 36d On-siteNorth America, UK

Reflection AI is hiring a Data Quality Engineer for its post-training team. Day to day, this person defines measurable data-quality standards for LLM training and evaluation, builds automated QA pipelines in Python over large datasets, gives feedback to external data vendors, and monitors quality trends to improve acceptance criteria.

Acceptance Criteria Agentic AI Data Pipelines Data Quality LLM +2 skills
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Reflection Backed by Lightspeed
8 views last month

Member of Technical Staff - Data Ingestion Engineer

Open 36d On-siteNorth America, UK

Builds and operates large-scale data ingestion systems (crawling, extraction, normalization, versioning) that feed Reflection's LLM pre-training, running experiments on data quality and developing specialized crawlers. Core technologies include distributed data frameworks like Ray, Beam, or Spark.

Data Ingestion Data Quality LLM Spark
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Anysphere, Inc. (doing business as Cursor)
7 views last month

Software Engineer ML Platform

Open 36d On-siteNorth America
United States

Build and operate ML platform infrastructure at Cursor (Anysphere): turning recurring research problems into durable systems, owning reliability, performance, and developer experience across distributed systems, data pipelines, and orchestration on Kubernetes/Ray, Linux, and cloud or bare-metal infrastructure. On-site roles in San Francisco, Palo Alto, or New York.

Cloud Data Pipelines Developer Experience Distributed Systems Kubernetes +2 skills
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Anysphere, Inc. (doing business as Cursor)
10 views last month

Software Engineer ML Infrastructure

Open 36d

Builds and scales the GPU infrastructure behind Cursor's AI training: improving training throughput and reliability, planning GPU infrastructure, automating GPU-cluster operations, and building scheduling and data-movement systems for reinforcement-learning workloads, using Python, TypeScript, Rust, Go, Linux, and Kubernetes.

Cloud Go GPU Infrastructure as Code Kubernetes +7 skills
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Anysphere, Inc. (doing business as Cursor)
6 views last month

Software Engineer Infrastructure

Open 36d

Infrastructure software engineer at Anysphere (Cursor) who owns the cloud foundation: building and operating production Kubernetes clusters, designing geo-replicated deployments, securing edge networking, and managing cloud costs. Core stack is AWS — EKS/Kubernetes, VPC networking, IAM, CDN/WAF, service mesh, and infrastructure as code.

AWS Cloud EKS IAM Infrastructure as Code +4 skills
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Anysphere, Inc. (doing business as Cursor)
6 views last month

Software Engineer Growth

Open 36d

Software engineer on the Growth team at Cursor (Anysphere) designing and building systems for onboarding, monetization, and the core product experience, combining engineering, AI models, and design while keeping the product easy to use.
Cerebras Systems, Inc.
10 views last month

Staff GPU Inference SDET

Open 36d HybridNorth AmericaStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.

Staff-level SDET building automated test frameworks, regression gates, and release-qualification pipelines for GPU inference and distributed LLM serving systems. Day to day involves benchmarking, fault injection, numerical-correctness validation, and CI/CD using Python, Kubernetes/Slurm/Ray, and InfiniBand/NCCL.

Automation CI/CD GPU InfiniBand Kubernetes +6 skills
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Cerebras Systems, Inc.
6 views last month

Staff Cloud Infrastructure Engineer

Open 36d HybridNorth AmericaStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.

Designs and builds secure, scalable cloud and identity infrastructure across AWS and data centers: IAM/SSO/MFA and identity lifecycle, infrastructure-as-code with Terraform, Kubernetes platforms, Zero Trust security controls, plus production on-call, incident response, code reviews, and mentoring. Core tech: AWS, Kubernetes, Terraform, Python/Go, SAML/OAuth2/OIDC/SCIM.

Authentication Automation AWS Cloud Developer Experience +15 skills
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Cerebras Systems, Inc.
7 views last month

Senior Staff Technical Program Manager Inference Capacity

Open 36d HybridNorth AmericaStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.

Technical program manager role at Cerebras overseeing capacity planning, forecasting, allocation, and utilization for AI inference clusters. Day to day this means coordinating customer deployments, model launches, and datacenter bring-up, driving incident resolution and postmortems, and using tools like SQL, Grafana, Python, Jira, and Confluence.

AI Cloud Confluence Flux Grafana +5 skills
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Reflection Backed by Lightspeed
14 views last month

Member of Technical Staff Post Training

Open 36d On-siteNorth America, UK

A research-engineering role on Reflection's post-training team: you build systems that turn pre-trained LLMs into aligned, general agents, developing data-generation pipelines, reward models, reinforcement-learning algorithms, and inference-time scaling techniques while collaborating across pre-training and post-training efforts.

Distributed Systems LLM Machine Learning Reinforcement Learning
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Cerebras Systems, Inc.
4 views last month

Senior Staff Software Engineer Inference Platform

Open 36d On-siteNorth AmericaStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.

Senior staff engineer leading design and operation of Cerebras' AI inference-platform software: architecting active-active, low-latency distributed systems on Kubernetes, setting technical direction, and driving observability, incident response, and capacity planning. Core stack: Go or C++, Kubernetes, distributed-systems architecture.

Cloud C++ Distributed Systems Kubernetes Observability +1 skills
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Cerebras Systems, Inc.
4 views last month

Senior Member of Technical Staff

Open 36d On-siteNorth AmericaSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Cerebras is hiring a Senior Member of Technical Staff in Sunnyvale, CA to build resilient, highly available distributed software for AI inference environments. Day to day: cloud deployment automation (Terraform, CloudFormation, CDK, Ansible), Python APIs, Docker/Kubernetes orchestration on AWS (EKS/ECS/Fargate), and monitoring with Prometheus, Grafana, and ELK.

AI Ansible API Automation AWS +26 skills
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