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Join a startup on the way up — not a bet, not a giant.

Tech roles at Series A–C companies backed by Sequoia, a16z, Benchmark & other top-tier VCs

  • Sequoia
  • a16z
  • Benchmark
  • Accel
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  • Founders Fund
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  • Lightspeed
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  • Coatue
  • Insight Partners
  • IVP
  • NEA
  • Thrive Capital
  • Sequoia
  • a16z
  • Benchmark
  • Accel
  • Greylock
  • Founders Fund
  • General Catalyst
  • Index Ventures
  • Lightspeed
  • Bessemer
  • Coatue
  • Insight Partners
  • IVP
  • NEA
  • Thrive Capital

Open roles

High-signal tech roles at Series A–C companies, refreshed as boards update.

20 results on this page
Jobs per page
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20 results on this page
Jobs per page
PreviousPage 40Next
Mistral AI logo
Research Engineer, Code Agents Infra
1/20Posted 2 weeks ago

Mistral AI · Palo Alto, Santa Clara County, California

Hybrid
Series C
Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
Apache Spark
C++
Docker
Go
+7 more
Posted 2 weeks agoSee job

This role focuses on building and operating the end-to-end execution, training, and data infrastructure for Mistral's agentic models and coding assistants. You will design scalable systems for synthetic data generation, build ultra-fast training and RL execution environments, and maintain high-throughput execution engines across hybrid and multi-cloud clusters.

Mistral AI logo
AI Data Solutions Intern – Data Partnerships
2/20Posted 2 weeks ago

Mistral AI · Palo Alto, Santa Clara County, California

Onsite
Series C
Mistral AI logo
Applied Scientist
3/20Posted 2 weeks ago

Mistral AI · Palo Alto, Santa Clara County, California

Hybrid
Series C
Mistral AI logo
Research Engineer, Data Infrastructure
4/20Posted 2 weeks ago

Mistral AI · Palo Alto, Santa Clara County, California

Hybrid
Series C
Mistral AI logo
Applied AI, Forward Deployed Machine Learning Engineer
5/20Posted 2 weeks ago

Mistral AI · Palo Alto, Santa Clara County, California

Onsite
Series C
Mistral AI logo
Research Engineer, Machine Learning
6/20Posted 2 weeks ago

Mistral AI · Palo Alto, Santa Clara County, California

Hybrid
Series C
Mistral AI logo
Enterprise Sales Leader, North America
7/20Posted 2 weeks ago

Mistral AI · San Francisco, San Francisco County, California

Hybrid
Series C
Mistral AI logo
Technical Support Expert
8/20Posted 2 weeks ago

Mistral AI · San Francisco, San Francisco County, California

Hybrid
Series C
Mistral AI logo
Talent Acquisition, North America
9/20Posted 2 weeks ago

Mistral AI · Palo Alto, Santa Clara County, California

Hybrid
Series C
Mistral AI logo
IT Specialist, North America
10/20Posted 2 weeks ago

Mistral AI · Palo Alto, Santa Clara County, California

Onsite
Series C
Mistral AI logo
HR People Ops, North America
11/20Posted 2 weeks ago

Mistral AI · Palo Alto, Santa Clara County, California

Series C
Funded 6 mo ago
Ideogram logo
ML Open Source Lead
12/20Posted 2 weeks ago

Ideogram · Brick, Ocean County, New Jersey

Onsite
Series A
Mirage logo
Product Designer, Early Career
13/20Posted 2 weeks ago

Mirage · New York, New York County, New York

$100,000 - $150,000
Onsite
Mirage logo
Software Engineer, Backend
14/20Posted 2 weeks ago

Mirage · New York, New York County, New York

$175,000 - $275,000
Onsite
Mirage logo
Research Engineer, Generative Video
15/20Posted 2 weeks ago

Mirage · New York, New York County, New York

$175,000 - $275,000
Onsite
Mirage logo
Product Counsel
16/20Posted 2 weeks ago

Mirage · New York, New York County, New York

$190,000 - $280,000
Onsite
Mirage logo
Technical Recruiter
17/20Posted 2 weeks ago

Mirage · New York, New York County, New York

$150,000 - $200,000
Onsite
Mirage logo
Research Engineer, Agentic Systems
18/20Posted 2 weeks ago

Mirage · New York, New York County, New York

$175,000 - $275,000
Onsite
Mirage logo
Software Engineer, iOS
19/20Posted 2 weeks ago

Mirage · New York, New York County, New York

$175,000 - $275,000
Onsite
Mirage logo
Software Engineer, ML Systems
20/20Posted 2 weeks ago

Mirage · New York, New York County, New York

$175,000 - $275,000
Onsite
Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
APIs
Large Language Models
Python
SQL
Posted 2 weeks agoSee job

Mistral AI is seeking an AI Data Solutions Intern to join their Data Partnerships team, focusing on improving data processes and applying AI to operational challenges. The role involves analyzing workflows, prototyping AI solutions, and collaborating with cross-functional teams.

Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
GPUs
JAX
NCCL
Python
+4 more
Posted 2 weeks agoSee job

Mistral AI is seeking an Applied Scientist to develop state-of-the-art AI models across text, image, and speech, and to collaborate with clients on complex research projects. The role involves pre-training, post-training, and deploying models on large GPU clusters.

Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
Kubernetes
MLOps
Python
Slurm
Posted 2 weeks agoSee job

Mistral AI is hiring a Research Engineer to build and operate next-generation data infrastructure, focusing on scaling compute fleets, storage systems, and orchestration across Kubernetes and SLURM. The role involves full lifecycle ownership of data platforms, including migration, pipelines, and on-call support.

Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
APIs
Deep Learning
Generative AI
Large Language Models
+6 more
Posted 2 weeks agoSee job

Mistral AI is looking for an Applied AI Engineer to help customers adopt and deploy its AI products, working on pre-sales to post-implementation, fine-tuning LLMs, and building advanced AI applications. The role involves collaborating with researchers and engineers on complex customer projects and contributing to open-source codebases.

Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
CI/CD
CUDA
Deep Learning
JAX
+8 more
Posted 2 weeks agoSee job

Mistral is hiring a Research Engineer for their ML track to build and optimize large-scale learning systems. The role involves working with research scientists on platform or embedded teams, focusing on training frameworks, data pipelines, and production-grade ML components.

Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
Posted 2 weeks agoSee job

Mistral AI is hiring an Enterprise Sales Leader for North America to lead and grow a US enterprise sales team, focusing on acquiring and expanding high-value customers. The role is based in San Francisco or New York and requires 10+ years of B2B sales experience with 4+ years in sales management.

Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
APIs
Model Fine-Tuning
Posted 2 weeks agoSee job

Mistral is seeking an experienced Technical Support Expert to join their Support team. The role involves handling Level 2 support issues, managing knowledge bases, and driving customer satisfaction for complex technical problems. This is a hybrid position based in San Francisco.

Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
Ashby
Posted 2 weeks agoSee job

Mistral is hiring a Talent Acquisition Lead to build and scale teams in North America. The role involves end-to-end recruitment, process improvement, and candidate experience. Requires 6+ years of recruiting experience and startup background.

Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
Ethernet
Google Workspace
macOS
n8n
+3 more
Posted 2 weeks agoSee job

Mistral is hiring an IT Specialist to deliver exceptional digital experiences and technical support across hardware, software, and collaboration tools. The role involves troubleshooting, account management, and supporting office openings in the US and APAC, with a focus on fast, reliable, and friendly assistance.

$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
HRIS
Posted 2 weeks agoSee job

Senior People Operations Manager at Mistral AI responsible for building and scaling HR operations across North America, including payroll, benefits, compliance, global mobility, and employee lifecycle management.

$10M-$100M
Andreessen Horowitz (a16z)
Index Ventures
Computer Vision
Deep Learning
Diffusion Models
GitHub
+8 more
Posted 2 weeks agoSee job

Ideogram is seeking a Senior Open-Source ML Lead to own the vision for turning foundational research into high-quality public tooling, building a thriving developer community around their generative media models. This role involves open-source strategy, community leadership, advocacy, and research-to-release, with a focus on Python, PyTorch, and modern deep learning architectures.

Series C
Funded 6 mo ago
51–200
$100M-$1B
Andreessen Horowitz (a16z)
General Catalyst
+1 more
Figma
Posted 2 weeks agoSee job

Mirage is hiring a Product Designer (Early Career) to design intuitive user experiences across web and mobile products. You'll own design workstreams, conduct user research, and collaborate with cross-functional teams. On-site in NYC.

Series C
Funded 6 mo ago
51–200
$100M-$1B
Andreessen Horowitz (a16z)
General Catalyst
+1 more
APIs
Distributed Systems
Generative AI
Posted 2 weeks agoSee job

Mirage, an AI-native video platform, seeks an early backend engineer to own critical systems, services, APIs, and ML pipelines. You'll work across product, platform, and ML, integrating generative AI models in production. In-person at NYC HQ.

Series C
Funded 6 mo ago
51–200
$100M-$1B
Andreessen Horowitz (a16z)
General Catalyst
+1 more
CUDA
NVIDIA Triton Inference Server
PyTorch
Posted 2 weeks agoSee job

Mirage is an AI-native video platform seeking an ML Engineer to build and scale systems for video generation models, focusing on training, inference optimization, and production deployment.

Series C
Funded 6 mo ago
51–200
$100M-$1B
Andreessen Horowitz (a16z)
General Catalyst
+1 more
Data Privacy Regulations
Generative AI
Posted 2 weeks agoSee job

Mirage, an AI-native video platform, seeks a Product Counsel to advise on legal issues in generative media, including IP, privacy, and content moderation, while helping scale the legal function.

Series C
Funded 6 mo ago
51–200
$100M-$1B
Andreessen Horowitz (a16z)
General Catalyst
+1 more
Posted 2 weeks agoSee job

Mirage, an AI-native video platform, seeks a Technical Recruiter to own the end-to-end talent lifecycle for Engineering and Product teams. You will partner with leadership, develop sourcing strategies, and ensure a high-touch candidate experience.

Series C
Funded 6 mo ago
51–200
$100M-$1B
Andreessen Horowitz (a16z)
General Catalyst
+1 more
Agentic Systems
Large Language Models
Model Fine-Tuning
Posted 2 weeks agoSee job

Mirage is seeking an ML Engineer to push the boundaries of large language models for multimodal creative tasks, focusing on agentic systems for video understanding and editing. The role involves designing end-to-end agentic systems, improving reasoning, and developing fine-tuning strategies.

Series C
Funded 6 mo ago
51–200
$100M-$1B
Andreessen Horowitz (a16z)
General Catalyst
+1 more
AVFoundation
Combine (Apple Framework)
iOS
OpenGL
+1 more
Posted 2 weeks agoSee job

Mirage is hiring a Software Engineer, iOS to build AI-native video creation tools. This role focuses on iOS development with SwiftUI and multimedia, requiring 2+ years of professional experience. The position is in-person at their NYC HQ.

Series C
Funded 6 mo ago
51–200
$100M-$1B
Andreessen Horowitz (a16z)
General Catalyst
+1 more
Agentic Infrastructure
Agentic Systems
Context Engineering
Large Language Models
+5 more
Posted 2 weeks agoSee job

Mirage is an AI-native video platform seeking a Software Engineer to design and build agentic ML systems for creative workflows, focusing on agent architectures and context engineering. Requires 5+ years experience.