Jobs in the United States

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Added 13 hours ago
Senior Backend Software Engineer
Flexcompute Inc.
Madison, WI
We are looking for a Senior Backend Software Engineer to join our team in Madison, Wisconsin, and help us design and implement scalable solutions that meet the growing demands of our…
Added 3 days ago
Senior Deep Learning Software Infrastructure Engineer
NVIDIA USA
CA
…era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what’s never been done before takes vision, innovation, and the…
Added 3 days ago
Principal Software Engineer - Simulation Data, Validation & Infrastructure
Irving, TX
● Experience with APIs, distributed systems, containers, automated testing, CI/CD, source control, and observability. Principal Engineer Job Description Page 3
Added 3 days ago
PI
Senior Principal AI Research Engineer
Pfizer Inc
WA · CA · MA · CT · NY
- $139,100 to $231,900 USD / year
As a Senior Principal AI Research Engineer, you will build the machine learning systems that transform innovative models into secure, reliable, and scalable capabilities for scientists…
Added 3 days ago
PI
Senior AI Research Engineer
Pfizer Inc
WA · CA · MA · CT · NY
- $106,000 to $176,600 USD / year
As a Senior AI Research Engineer, you will build the machine learning systems that transform innovative models into secure, reliable, and scalable capabilities for scientists across Pfizer.
Added 3 days ago
AI
Network and Security Engineer, Defense
Applied Intuition
Sunnyvale, CA
- $150,000 to $200,000 USD / year
We are looking for a Network and Security Engineer to own the architecture of high-performance, high-assurance networks for our defense programs. You will design networks that move terabits…
Added 3 days ago
M
Senior Security Software Engineer
Microsoft
United States
- $119,800 to $261,000 USD / year
We are looking for a Senior Security Software Engineer to join the Microsoft AI Red Engineering Team. In this role, you will own building and operating secure and reliable Azure GPU…
Added 4 days ago
Senior Backend Software Engineer
Flexcompute Inc.
Madison, WI
We are looking for a Senior Backend Software Engineer to join our team in Madison, Wisconsin, and help us design and implement scalable solutions that meet the growing demands of our…
Added 5 days ago
Senior Machine Learning Infrastructure Engineer
Schrödinger
NY
We’re seeking a Senior Machine Learning Infrastructure Engineer to join us in our mission to transform the discovery of therapeutics and materials.
Added 6 days ago
I
Senior Infrastructure and DevOps Systems Engineer
Intel
Phoenix, AZ
- $100,550 to $194,270 USD / year
Our customer-facing engineering team is seeking a senior, hands-on Infrastructure and DevOps Systems Engineer to design, deploy, automate, integrate, secure, and troubleshoot large-scale…
Added 6 days ago
RU
Senior AI Platform Engineer (Automation & AIOps)
Randstad USA
Remote, United States
- $80 to $110 USD / hour
Seeking a Senior AI Platform Engineer for a 1-year contract driving AIOps automation. Hands-on role building Amazon Bedrock Agents, automated remediation workflows, and Databricks data…
Added 7 days ago
Senior/Staff Platform Engineer, Enterprise Deployments
Quilter
Remote, United States
We’re looking for a Senior or Staff Platform Engineer to lead customer-facing deployments and integrations of Quilter in enterprise environments.
Added 7 days ago
Senior/Staff Platform Engineer, Infrastructure & Security
Quilter
Remote, United States
We’re looking for a Senior or Staff Platform Engineer to build and operate secure cloud infrastructure and automate the controls we depend on.
Added 7 days ago
Linux Infrastructure Engineer (Bare Metal, Storage & AI Factory Infrastructure)
Uvation
Remote, United States
We are seeking a highly experienced Senior Linux Infrastructure Engineer with deep expertise in Linux administration, bare metal infrastructure, enterprise storage, and next-generation AI…
Added 8 days ago
Senior HPC AI Engineer
NVIDIA Corporation
North District, IL
Strong hands-on experience supporting and tuning job scheduling systems (LSF, Slurm, etc.) in HPC or silicon design environments
Added 8 days ago
Senior DevOps Engineer
NVIDIA Corporation
North District, IL
Our team is looking for a Senior DevOps Engineer to join us and take ownership of the CI/CD infrastructure, automation pipelines, and development tooling that power our engineering teams.…
Added 8 days ago
Lead Managed Services Engineer
Deloitte US
Atlanta, GA · Baltimore, MD · Boston, MA · Charlotte, NC · Chicago, IL · Cincinnati, OH · Cleveland, OH · Columbus, OH · Costa Mesa, CA · Dallas, TX · Denver, CO · Detroit, MI · Houston, TX · Indianapolis, IN · Kansas City, MO · Los Angeles, CA · McLean, VA · Miami, FL · Minneapolis, MN · Morristown, NJ · NY · Philadelphia, PA · Pittsburgh, PA · Rosslyn, VA · Sacramento, CA · San Diego, CA · San Francisco, CA · San Jose, CA · Seattle, WA · St. Louis, MO · Stamford, CT · Tampa, FL · Tempe, AZ
As a Lead Engineer for Hybrid Managed Services, you will lead an AIOps-driven operating model across Infrastructure Managed Services (IMS), Cloud Managed Services, AI/HPC environments, and…
Added 10 days ago
Staff Network Engineer
TensorWave
Remote, United States
We’re seeking a Staff Network Engineer (L6/L7) focused on designing, scaling, and optimizing large-scale RoCEv2 data center networks powering next-generation AI and ML infrastructure.
Added 10 days ago
Neo Cloud | AI Cloud Network Engineering, MOT
blazetalent.com
United States
We're looking for an exceptional Member of Technical Staff to design, build and operate Gridfield's cloud network - from the data center fabric, through the network functions that protect…
Added 10 days ago
Senior Software Engineer
Sam's Club
BENTONVILLE, AR
Duties: Application and Feature Delivery: Owns scoped feature or model delivery through collaborative engineering teams. Manages implementation, iteration, testing, and ongoing support for…
Added 11 days ago
Q
Customer Success Engineer II (4x10) - Cloud, Data Center, & Storage
Qumulo
Remote, United States
- $95,000 to $130,000 USD / year
Built for the most demanding enterprise workloads, from AI and HPC simulations to Splunk Observability, genomics and PACS medical imaging, geospatial datasets, media editing and rendering,…
Added 11 days ago
SW
Senior Software Engineer
Sam's West, Inc.
Bentonville, AR
- $90,000 to $180,000 USD / year
Duties: Application and Feature Delivery: Owns scoped feature or model delivery through collaborative engineering teams. Manages implementation, iteration, testing, and ongoing support for…
Added 12 days ago
Lead Managed Services Engineer
Deloitte
Chicago, IL
Work You'll Do* Assist in leading the design and execution of an AIOps-first operating model that leverages predictive analytics, event correlation, and automated remediation to improve SLA…
Added 12 days ago
DSX NVCRE Senior Engineer
NVIDIA USA
CA · TX · WA
NVIDIA is seeking a Senior Software Engineer to join our DSX team to build and operate the tooling that verifies AI infrastructure is ready for production. You will work on cluster…
Added 14 days ago
Hardware Senior Principal Engineer
Dell
Austin, TX
Join us as a Sr. Principal Hardware Engineer in Austin, Texas to do the best work of your career and make a profound social impact.

Flexcompute Inc.

Senior Backend Software Engineer

Madison, WI, United States

$1,200 a year fitness stipend.

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Job details

Pay: $1,200 a year fitness stipend.
Posting language: English
Posted: Nov 6, 2026

Original job description

Flexcompute is leading the transformation of engineering simulation with our revolutionary ultra-fast simulation technology. Our flagship products, including the industry-leading Computational Fluid Dynamics (CFD) software Flow360 and electromagnetic simulation software Tidy3D, are reshaping how simulations are conducted across diverse sectors. Founded by visionaries from Stanford and MIT and supported by top-tier venture capital firms, we are a rapidly growing team dedicated to breaking boundaries and challenging the norms of the multi-billion-dollar engineering simulation market. Role Overview We are looking for a Senior Backend Software Engineer to join our team in Madison, Wisconsin, and help us design and implement scalable solutions that meet the growing demands of our advanced EM simulation platform. Additionally, the candidate will help us enhance our data management, frontend-backend API unification, and cloud integration.

Key Responsibilities

Contribute to general software development efforts, such as API unification, simulation data management (e.g., caching, syncing, storage), and scripting improvements.
Collaborate with EM and infrastructure teams to implement simulation-specific solutions, including enhancements to back-end/scheduler integrations and Python front-end functionality.
Improve our task pipelines through an innovative design for a web API in a multi-physical simulation context.
Develop and maintain hybrid cloud compute and storage solutions, integrating on-premise HPC systems with modern cloud platforms.
Optimize and manage high-performance computing clusters equipped with high-speed interconnects

This is a senior seat. We keep the team small and senior on purpose, so you will own real pieces of the platform end to end, with little direction and direct access to the founders. This role is on-site at our Madison office. Working from the office is a requirement: our product and application engineers are based in Madison, and this hire works alongside them in person. It is not a remote or hybrid role.

Requirements

What you need

Strong backend engineering in at least one of Java, Python or C++. Deep in one is enough.
Real production cloud experience, AWS preferred.
Distributed systems you have operated in production, not only studied.
Direct ownership of a production backend service, from design through deployment and operation.
Fluent professional English, spoken and written.
Able to work on-site at our Madison, Wisconsin office. This is required.
Authorized to work in the United States.
A bachelor's degree in computer science, computer engineering or a closely related field.

What you can learn here We hire for depth, not checklists. You do not need all of the following on day one: Kubernetes and Docker, Terraform or Ansible, monitoring and observability tooling, Linux troubleshooting, networking and security practices, our simulation stack, and HPC (preferred, not mandatory). We look for people who have entered a new domain before, learned it fast and reached ownership. Bonus

Load balancing, autoscaling, and queues or streaming systems such as SQS, SNS or Kafka.
Experience integrating cloud platforms with HPC environments or large compute clusters.
Familiarity with job schedulers or batch systems, distributed compute frameworks, or large-scale data pipelines.
Experience supporting scientific computing or simulation platforms.
Knowledge of GPU infrastructure and resource scheduling.
Experience building developer platforms or internal infrastructure tooling.
A degree in computer science, computer engineering, mathematics, physics or a related field from a leading university. Hands-on production experience matters more than where you studied.

Innovative Mindset: Ability to learn quickly, adapt to new challenges, and innovate in a fast-paced startup environment. Example Projects

Architect and deploy infrastructure that runs distributed simulation workloads across cloud and on-premise compute
Design and implement scalable web APIs for simulation job orchestration and data access
Build CI/CD pipelines and infrastructure-as-code systems for reproducible deployments
Develop hybrid cloud solutions connecting on-prem HPC clusters with AWS compute and storage
Implement monitoring and observability systems to track simulation performance and reliability
Improve platform scalability to support growing user traffic and compute demand
Design secure service architectures, authentication, and licensing systems
Optimize infrastructure utilization across CPU and GPU resources

Join Us By joining Flexcompute, you'll be at the heart of a movement set to redefine the engineering simulation industry. You will play a key role in shaping the future, where our innovations in simulation technology pave the way for groundbreaking advancements. We are committed to fostering an innovative and collaborative culture where boundaries of possibility are re-imagined, driven by creativity, expertise, and a shared vision of transforming the technological landscape. How we hire No online assessment. Two to three technical conversations with the engineering team, then a final conversation with a co-founder. Bring your questions: the first conversation is not a pitch you sit through, you are welcome to send questions ahead, and technical disagreement is welcome.

Benefits

Competitive base salary, plus RSUs granted on day one and vesting over four years.
Medical, dental, and vision health insurance.
401(k) contribution.
Flexible paid time off, all US national holidays, and a company-wide year-end break.
$1,200 a year fitness stipend.
Company-paid trips to our Boston headquarters to work with the core team.
Learning sponsorship and an AI tools budget (we pay for Claude, Cursor and similar).
Friendly, thoughtful, and intelligent coworkers.

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More about this job

Skills

CFD
Data management
Software development
Python
Oracle Java
C++
AWS
Computer science
Computer engineering
Kubernetes
Docker
IBM Terraform
Ansible
Linux
Troubleshooting
Apache Kafka
Scheduling
CI/CD
Infrastructure as code

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