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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.

20 results on this page
Jobs per page
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20 results on this page
Jobs per page
PreviousPage 40Next
Assort Health logo
Account Executive, Strategic
1/20Posted 2 weeks ago

Assort Health · San Francisco, San Francisco County, California

$360,000 - $390,000
Hybrid
Series C
51–200
$100M-$1B
Lightspeed Venture Partners
Artificial Intelligence
Posted 2 weeks agoSee job

Assort Health is hiring a Strategic Account Executive to lead enterprise sales into large healthcare provider groups. You'll own the full sales cycle, manage complex multi-stakeholder deals, and build the playbook for top-market wins. OTE $360K-$390K with equity.

Neko Health logo
Signature Coordinator - US
2/20Posted 2 weeks ago

Neko Health · New York, New York County, New York

$75,600 - $92,400
Hybrid
WorkOS logo
Sales Manager
3/20Posted 2 weeks ago

WorkOS · San Francisco, San Francisco County, California

$300,000 - $350,000
Hybrid
Xaira Therapeutics logo
AI Research Engineer
4/20Posted 2 weeks ago

Xaira Therapeutics · Dorris, Siskiyou County, California

$190,000 - $280,000
Onsite
Xaira Therapeutics logo
AI Scientist - Biomedical Multimodal Modeling
5/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$170,000 - $240,000
Onsite
Xaira Therapeutics logo
Scientist II, Genomic Core
6/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$124,000 - $155,000
Onsite
Xaira Therapeutics logo
Software Engineer, ML Platform
7/20Posted 2 weeks ago

Xaira Therapeutics · Seattle, King County, Washington

$140,000 - $215,000
Series A
Xaira Therapeutics logo
Senior Scientist, Functional Genomics
8/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$136,000 - $170,000
Onsite
Xaira Therapeutics logo
Scientist II, Display Technologies
9/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$124,000 - $155,000
Onsite
Xaira Therapeutics logo
Senior Scientist, Protein Engineering
10/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$150,000 - $170,000
Onsite
Xaira Therapeutics logo
Principal Associate Scientist, Biology
11/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$110,000 - $138,000
Onsite
Xaira Therapeutics logo
Associate Scientist, Phage Display (Contract)
12/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$45 - $60
Onsite
Xaira Therapeutics logo
Associate Director, Analytical Development (Biologics)
13/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$172,000 - $215,000
Onsite
Xaira Therapeutics logo
AI Scientist, BioMedical AI
14/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$150,000 - $240,000
Onsite
Xaira Therapeutics logo
Accounting Manager
15/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$135,000 - $155,000
Onsite
Xaira Therapeutics logo
Senior Scientist, Computational Biology
16/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$136,000 - $170,000
Onsite
Xaira Therapeutics logo
AI in Residence
17/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$10,000 - $15,000
Onsite
Xaira Therapeutics logo
BioMedical AI Research Engineer
18/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$190,000 - $280,000
Onsite
Xaira Therapeutics logo
AI Scientist, Computational Protein Design
19/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$120,000 - $240,000
Onsite
Xaira Therapeutics logo
Director, Protein Sciences
20/20Posted 2 weeks ago

Xaira Therapeutics · South San Francisco, San Mateo County, California

$196,000 - $245,000
Series A
Series C
Funded 3 mo ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Microsoft Excel
Posted 2 weeks agoSee job

Neko Health is seeking a Signature Coordinator to manage bookings, logistics, and member coordination for its Signature program. The role requires exceptional organizational skills, discretion, and comfort with a rotating schedule including evenings and weekends.

Series C
11–50
$100M-$1B
Lightspeed Venture Partners
Access Control
APIs
Authentication
Large Language Models
Posted 2 weeks agoSee job

WorkOS is hiring a Sales Manager to lead and coach a team of Account Executives while also carrying a personal book of business. The role involves closing enterprise deals, building sales processes, and collaborating with cross-functional teams. Requires 7+ years of SaaS sales experience and 2+ years leading sellers.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Deep Learning
Foundation Models
Generative AI
Machine Learning
Posted 2 weeks agoSee job

Xaira Therapeutics is hiring an AI Research Engineer to develop and deploy machine learning models for drug discovery and protein/antibody design. The role involves collaborating with AI scientists and drug discovery experts, with a focus on production-ready ML systems. Open to San Francisco Bay Area or Seattle, WA; base pay $190,000-$280,000.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
CI/CD
Deep Learning
Foundation Models
JAX
+2 more
Posted 2 weeks agoSee job

Xaira Therapeutics is hiring an AI Scientist to build multimodal foundation models for biomedical data, combining representation learning and generative modeling to advance drug discovery. The role involves training large-scale models, cross-modal alignment, and building scalable ML systems.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Laboratory Information Management System (LIMS)
Posted 2 weeks agoSee job

Scientist II, Genomic Core at Xaira Therapeutics. You will lead NGS sequencing operations, develop scalable genomics workflows, and support CRISPR and single-cell discovery programs in South San Francisco.

$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Ansible
JAX
Kubernetes
Python
+2 more
Posted 2 weeks agoSee job

Xaira Therapeutics is seeking a Software Engineer to join its ML Platform team, focusing on designing and deploying AI infrastructure for large-scale model training. The role involves building training systems, storage subsystems, and evaluation tools using Kubernetes, Slurm, Python, and deep learning frameworks. Requires 5+ years of experience and offers a competitive salary.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
AI/ML
Foundation Models
Functional Genomics
Generative AI
Posted 2 weeks agoSee job

Xaira Therapeutics is hiring a Senior Scientist to architect and lead in vivo CRISPR screening, advancing high-throughput functional genomics for drug discovery. The role includes developing scalable screening protocols, collaborating with AI/ML and computational teams, and mentoring junior staff.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Generative AI
Machine Learning
Python
Posted 2 weeks agoSee job

Xaira Therapeutics is hiring a Scientist II to lead phage display campaigns for antibody discovery, focusing on membrane proteins and high-quality data generation. The role involves experimental design, mentoring, and collaboration with computational teams.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Generative AI
Posted 2 weeks agoSee job

Xaira Therapeutics is seeking a Senior Scientist, Protein Engineering to design, engineer, produce, and characterize therapeutic proteins and antibodies. The role focuses on optimizing affinity, specificity, and developability, collaborating with cross-functional teams, and advancing drug discovery programs toward clinical development.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Generative AI
Immunology
Posted 2 weeks agoSee job

Xaira Therapeutics seeks a Principal Associate Scientist to join the Biology & Pharmacology team, executing in vitro and ex-vivo experiments to support immunology and translational research. This lab-based role involves immune cell isolation, flow cytometry, functional assays, and cross-functional collaboration.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Foundation Models
Generative AI
Posted 2 weeks agoSee job

Xaira Therapeutics is hiring an Associate Scientist for phage display to build and automate display systems for AI antibody design. This contract role involves developing selection techniques, characterizing affinity, and requires hands-on experience in protein discovery including phage or yeast display.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Foundation Models
Generative AI
Posted 2 weeks agoSee job

Xaira Therapeutics is hiring an Associate Director, Analytical Development (Biologics) to lead analytical method development, validation, transfer, and stability programs for biologics from preclinical through clinical stages. This role oversees external laboratories, supports CMC regulatory submissions, and ensures phase-appropriate analytical strategies.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Causal Inference
Foundation Models
Generative AI
Python
+1 more
Posted 2 weeks agoSee job

Xaira Therapeutics is looking for an AI Scientist to develop and apply foundation models to large-scale perturb-seq and single-cell datasets, aiming to uncover new biological mechanisms and therapeutic opportunities. The role involves designing scalable ML architectures, collaborating with experimental biologists, and publishing results.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Google Workspace
Microsoft Excel
NetSuite
Posted 2 weeks agoSee job

Xaira Therapeutics seeks an Accounting Manager to manage accounting operations, lead the financial close process, and build scalable accounting infrastructure. This hands-on role requires 5+ years of progressive accounting/finance experience.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
AI/ML
Amazon Web Services (AWS)
Docker
Generative AI
+6 more
Posted 2 weeks agoSee job

Xaira Therapeutics seeks a Senior Scientist, Computational Biology to lead end-to-end computational analysis of large-scale single-cell Perturb-seq screens, build scalable bioinformatics pipelines, and integrate multi-modal omics data to support therapeutic discovery and AI/ML modeling. This on-site role in South San Francisco requires deep expertise in single-cell RNA-seq, Perturb-seq, Python, and production workflows.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Computational Biology
Foundation Models
Generative AI
Machine Learning
Posted 2 weeks agoSee job

Xaira Therapeutics seeks exceptional researchers and engineers for its AI in Residence program, an industry alternative to a postdoc. Residents apply frontier machine learning to drug discovery, developing models and pipelines that directly influence therapeutic programs.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Agentic AI
Foundation Models
Generative AI
Genomics
+10 more
Posted 2 weeks agoSee job

Xaira Therapeutics is hiring a Biomedical AI Research Engineer to design and deploy agentic AI systems that reason over biomedical knowledge and accelerate therapeutic discovery. The role involves building LLM-based agents, integrating scientific data sources, and collaborating with computational biologists.

Series A
$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Artificial Intelligence
Computational Protein Design
Deep Learning
Distributed Training & Inference
+4 more
Posted 2 weeks agoSee job

Xaira Therapeutics is looking for an AI Scientist to join its Computational Protein Design team, developing deep learning methods for generative AI models that design protein and antibody therapeutics. The role involves advancing state-of-the-art AI for biology and collaborating with interdisciplinary experts in drug discovery.

$1B-$10B
Lightspeed Venture Partners
New Enterprise Associates (NEA)
Laboratory Information Management System (LIMS)
Posted 2 weeks agoSee job

Xaira Therapeutics is seeking a Director of Protein Sciences to lead protein production and characterization, drive platform innovation, and mentor a team. The role requires deep expertise in antibody production, analytical techniques, and cross-functional collaboration, with 10+ years of experience.