Simplify Logo
Reka

Reka

Develops and deploys large AI models

Member of Technical Staff - GPU Performance Engineer

Full-Time
No salary listed
Mid
Remote in USA+1 more

More locations: Remote in UK

Remote

Visa assistance is available for US employees, including H1B and OPT transfers.

H1B Sponsorship Available

About the job

Requirements
  • Strong engineering skills with fluency in Python and PyTorch or other frameworks.
  • Proven experience implementing and training large deep learning models.
  • Experience writing and debugging low-level GPU code using CUDA and C++.
  • Experience scaling GPU jobs using large-scale compute clusters such as Slurm or Kubernetes.
  • Demonstrated ability to analyze and optimize GPU-accelerated workloads through profiling, bottleneck identification, and performance tuning techniques.
Responsibilities
  • Design and implement improvements to the training infrastructure.
  • Directly contribute to technical decisions that optimize model performance.
  • Work on post-training processes, including reinforcement learning and fine-tuning.
  • Improve the efficiency and scalability of the model serving infrastructure.

About the company

Reka.ai builds and deploys AI solutions using large deep learning models, handling the end-to-end process from data prep and architecture design to training, evaluation, and deployment, with a focus on data synthesis. Their offerings include bespoke models and ongoing access or support for businesses via project-based work or subscriptions. They differentiate themselves through a team of researchers and former DeepMind staff delivering an integrated end-to-end pipeline along with advisory input from industry and academia. Their goal is to make the benefits of large AI models globally accessible by providing practical, deployed solutions and ongoing support.

Company Size

51-200

Company Stage

Late Stage VC

Total Funding

$168M

Headquarters

Sunnyvale, California

Founded

2022

Get referred to Reka

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • July 2025 funding from Nvidia and Snowflake valued Reka above $1 billion.
  • March 2025 Nexus launch and March 2026 Edge refresh expand enterprise and edge use cases.
  • June 2026 Moonvalley integration broadens Reka into vision, robotics, and world-model workflows.

What critics are saying

  • Reka's employee count fell from 229 in Q1 2025 to 184 in Q1 2026.
  • Snowflake's abandoned 2024 acquisition talks prove strategic buyers already walked away.
  • If WLAM stalls, Reka becomes another model lab without durable distribution.

What makes Reka unique

  • Reka's 2025 Nexus turns multimodal models into enterprise AI workers, not generic APIs.
  • Reka Edge targets on-device and edge inference, unlike cloud-only frontier labs.
  • The June 2026 Moonvalley merger adds DeepMind video expertise and physical-AI data.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Paid Vacation

Remote Work Options

Growth & Insights and Company News

Headcount

6 month growth

-11%

1 year growth

-12%

2 year growth

-1%
Search Ventures Pty Ltd
Jul 23rd, 2025
Major AI Funding Boost as Reka AI and Delve Technologies Shine

Reka AI, established in 2022, has successfully raised $110 million in funding from major players Nvidia and Snowflake.

SiliconANGLE Media
Jul 22nd, 2025
Multimodal AI startup Reka AI raises $110M at $1B valuation

Multimodal large language model research startup Reka AI Inc. today announced it has raised $110 million in fresh funding backed by Nvidia Corp. and Snowflake Inc.

Fidelity Investments
Jul 22nd, 2025
Nvidia, Snowflake Invest $110M in Reka

Nvidia and Snowflake participated in a $110 million funding round for AI firm Reka, boosting its valuation to over $1 billion from $300 million earlier in 2023. The investment will enhance Reka's technical development and expand its multimodal platforms.

Stocktwits
Jul 22nd, 2025
Nvidia, Snowflake Invest $110M in Reka AI

Nvidia and Snowflake have invested $110 million in Reka AI, a three-year-old AI startup, boosting its valuation to over $1 billion and making it a unicorn. Reka AI focuses on developing large language models more efficiently than competitors.

Bloomberg
Jul 22nd, 2025
Snowflake, Nvidia Back New Unicorn Reka AI in $110 Million Deal

Snowflake had previously been in talks to buy the three-year-old AI startup.