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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
  • Greylock
  • Founders Fund
  • General Catalyst
  • Index Ventures
  • Lightspeed
  • Bessemer
  • 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.

18 results on this page
Jobs per page
PreviousPage 24
Cartesia logo
Product Support Engineer
1/18Posted last month

Cartesia · San Francisco, San Francisco County, California

$100,000 - $150,000
Onsite
18 results on this page
Jobs per page
PreviousPage 24
Series A
Funded 2 yr ago
$10M-$100M
General Catalyst
Index Ventures
+1 more
Agentic Systems
APIs
JavaScript
Python
+1 more
Posted last monthSee job

Cartesia is hiring a Product Support Engineer to provide technical support for their AI platform. You will help customers succeed by solving complex issues and collaborating with engineering.

Cartesia logo
Engineering Manager, Data
2/18Posted last month

Cartesia · San Francisco, San Francisco County, California

$250,000 - $375,000
Onsite
Series A
Funded 2 yr ago
$10M-$100M
General Catalyst
Index Ventures
+1 more
Data Infrastructure
Foundation Models
Posted last monthSee job

Cartesia is seeking an Engineering Manager to lead the Data team, overseeing data infrastructure, state-of-the-art pre-training datasets, and data-centric modeling. The role involves managing a team of 6-8, growing to ~12, and driving technical direction for multimodal data at web scale.

Cartesia logo
GTM Strategist
3/18Posted last month

Cartesia · San Francisco, San Francisco County, California

$120,000 - $150,000
Onsite
Series A
Funded 2 yr ago
$10M-$100M
General Catalyst
Index Ventures
+1 more
Posted last monthSee job

Cartesia is hiring a GTM Strategist to drive outbound into enterprise targets, building account plans and running multi-threaded outreach to open doors at key companies.

Cartesia logo
Applied Researcher, Audio Post-Training
4/18Posted last month

Cartesia · San Francisco, San Francisco County, California

$200,000 - $350,000
Onsite
Series A
Funded 2 yr ago
$10M-$100M
General Catalyst
Index Ventures
+1 more
Machine Learning
Reinforcement Learning
Synthetic Data
Posted last monthSee job

Cartesia is seeking an Applied Researcher for the Audio Post-Training team to build and improve generative audio models. The role involves research across data processing, finetuning, reinforcement learning, and evaluation to enhance model capabilities and address customer needs.

Lightning AI logo
Research Engineer
5/18Posted 4 months ago

Lightning AI · New York County, New York

$180,000 - $250,000
Hybrid
Series C
$100M-$1B
Coatue Management
Index Ventures
CI/CD
CUDA
Distributed Training
GPUs
+3 more
Posted 4 months agoSee job

Lightning AI is seeking a Research Engineer to optimize training and inference workloads on compute accelerators using the Lightning Thunder compiler and PyTorch Lightning ecosystem. This hybrid role sits at the intersection of deep learning research, compiler development, and large-scale system optimization across global offices.

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Vooma logo
AI Engineer
6/18Posted 4 months ago

Vooma · San Francisco, San Francisco County, California

Onsite
Series A
11–50
$10M-$100M
Index Ventures
Agentic AI
Foundation Models
Large Language Models
Model Fine-Tuning
+7 more
Posted 4 months agoSee job

Vooma is hiring an AI Engineer for its founding team in San Francisco. The role focuses on training and deploying multimodal models for the trucking logistics sector. Candidates need production experience with foundation models and evaluation frameworks.

Mistral AI logo
Applied AI Engineer
7/18Posted 4 months ago

Mistral AI · Palo Alto, Santa Clara County, California

Onsite
Series C
Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
APIs
Deep Learning
Generative AI
Large Language Models
+6 more
Posted 4 months agoSee job

Mistral AI seeks an Applied AI Engineer to drive product adoption and solve technical challenges for customers. Responsibilities include onboarding clients, deploying GenAI applications, and collaborating with researchers. Candidates need a Master's/PhD in AI, 2+ years experience, and Python proficiency.

Cartesia logo
Technical Account Manager
8/18Posted 4 months ago

Cartesia · San Francisco, San Francisco County, California

$240,000 - $280,000
Onsite
Series A
Funded 2 yr ago
$10M-$100M
General Catalyst
Index Ventures
+1 more
AI Agents
Foundation Models
Posted 4 months agoSee job

Cartesia is seeking a Technical Account Manager to own enterprise customer technical relationships within their GTM team. This onsite role in San Francisco requires 6+ years of experience to drive customer go-lives, manage account health, and bridge engineering with client needs. Compensation ranges from $240,000 to $280,000 annually.

Crosby logo
Product Design Lead
9/18Posted 4 months ago

Crosby · New York, New York County, New York

$210,000 - $270,000
Hybrid
Series B
11–50
$10M-$100M
Index Ventures
AI/ML
Posted 4 months agoSee job

Crosby seeks a Product Design Lead to define design standards and build products from 0 to 1. This hybrid role in New York City offers autonomy to shape product strategy alongside founders. Requires 5+ years experience, strong visual craft, and AI tool proficiency.

Crosby logo
Staff Frontend Engineer
10/18Posted 4 months ago

Crosby · New York, New York County, New York

$220,000 - $300,000
Onsite
Series B
11–50
$10M-$100M
Index Ventures
Figma
Python
React
TypeScript
Posted 4 months agoSee job

Crosby is seeking a Staff Frontend Engineer to own and evolve the user-facing experience of their AI-first legal platform. The role involves architecting scalable frontend systems using React and TypeScript while collaborating with product and design teams. Candidates should have 6+ years of experience and strong technical leadership skills.

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Crosby logo
Technical Generalist
11/18Posted 4 months ago

Crosby · New York, New York County, New York

$180,000 - $270,000
Onsite
Series B
11–50
$10M-$100M
Index Ventures
Posted 4 months agoSee job

Crosby is seeking a Technical Generalist to build across the stack including frontend, backend, and AI systems. This role requires strong engineering fundamentals, ownership, and the ability to solve high-leverage problems in an AI-first legal platform environment.

Crosby logo
Security Engineer
12/18Posted 4 months ago

Crosby · New York, New York County, New York

$180,000 - $250,000
Onsite
Series B
11–50
$10M-$100M
Index Ventures
Amazon Web Services (AWS)
APIs
Application Security
Cloud Security
+7 more
Posted 4 months agoSee job

Crosby AI is seeking a Security Engineer to design and implement security foundations for their AI-first legal platform. The role involves protecting sensitive legal data, securing infrastructure, and embedding best-in-class security practices across the engineering organization. Candidates should have 4+ years of experience in security engineering and proficiency in programming languages like Python or Go.

Crosby logo
Data Scientist
13/18Posted 4 months ago

Crosby · New York, New York County, New York

$200,000 - $250,000
Onsite
Series B
11–50
$10M-$100M
Index Ventures
Data Analysis
Data Pipelines
Large Language Models
Machine Learning
+3 more
Posted 4 months agoSee job

Crosby AI is seeking a Data Scientist to develop models and data systems for its AI-driven legal platform. The role involves working across the full ML lifecycle, from data definition to production deployment, partnering with engineers and legal experts. Candidates should have 1–5 years of experience in data science or machine learning with proficiency in Python and LLMs.

Crosby logo
AI Developer Experience Engineer
14/18Posted 4 months ago

Crosby · New York, New York County, New York

$180,000 - $250,000
Onsite
Series B
11–50
$10M-$100M
Index Ventures
APIs
Large Language Models
Python
Posted 4 months agoSee job

Crosby is seeking an AI Developer Experience Engineer to build internal systems for developing and shipping AI features. The role involves creating tooling for prompt management, evaluation, and data workflows to improve developer velocity. Candidates need 3-7+ years of experience in software engineering, Python, and LLMs.

Crosby logo
Infrastructure Engineer
15/18Posted 4 months ago

Crosby · New York, New York County, New York

$180,000 - $250,000
Onsite
Series B
11–50
$10M-$100M
Index Ventures
Amazon Web Services (AWS)
CI/CD
Data Pipelines
Docker
+5 more
Posted 4 months agoSee job

Crosby AI is seeking an Infrastructure Engineer to build and scale systems powering their AI-first legal platform. The role involves designing cloud infrastructure, managing deployment systems, and ensuring reliability across compute, storage, and networking. Candidates need 4+ years of experience with cloud platforms, containerization, and CI/CD.

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Get new VC-backed tech jobs in your inbox every morning.

Narrow your alert

Free daily email. Confirm via link to activate. Unsubscribe anytime.

Crosby logo
Head of Data
16/18Posted 4 months ago

Crosby · New York, New York County, New York

$220,000 - $300,000
Onsite
Series B
11–50
$10M-$100M
Index Ventures
Analytics
Data Engineering
Data Pipelines
Data Science
+2 more
Posted 4 months agoSee job

Crosby AI is seeking a Head of Data to lead their data strategy and infrastructure for their AI-first legal platform. This role involves building systems, pipelines, and teams to power AI models and analytics. Candidates need 8+ years of experience in data science or engineering with strong leadership skills.

Crosby logo
Founding IT & Security Operations Lead
17/18Posted 4 months ago

Crosby · New York, New York County, New York

$160,000 - $200,000
Onsite
Series B
11–50
$10M-$100M
Index Ventures
Bash
Endpoint Detection and Response
Google Workspace
ISO 27001
+7 more
Posted 4 months agoSee job

Crosby seeks a Founding IT & Security Operations Lead to manage systems, security, and daily operations for its Series A legal tech platform. This onsite NYC role requires 5+ years of experience in IT or security operations to build scalable infrastructure and support a fast-growing team.

Crosby logo
AI Researcher
18/18Posted 4 months ago

Crosby · New York, New York County, New York

$200,000 - $300,000
Onsite
Series B
11–50
$10M-$100M
Index Ventures
Deep Learning
Large Language Models
Machine Learning
Model Fine-Tuning
+4 more
Posted 4 months agoSee job

Crosby is hiring an AI Researcher to develop advanced LLM and NLP systems for its legal technology platform. The role focuses on improving document understanding and reasoning within real-world legal workflows. Candidates need 3–7+ years of experience in AI research or machine learning.