Jobs in the United States

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Functional Safety Engineer-HW
indie
Aliso Viejo, CA · MI
The Functional Safety Engineer (FSE) at indie plays a key role within our design organization and is central to our automotive safety culture. In this position, the FSE leads and advocates…
Added just now
JH
Full Stack Software Engineer - Advanced Visualizations
Johns Hopkins Applied Physics Laboratory
Laurel, MD
- $100,000 USD / year
The Analytic Capabilities group of the Asymmetric Operations Sector is seeking a Full Stack Software Engineer to develop advanced visualizations that transform complex data into actionable…
Added 1 min ago
AI Evaluation Engineer
Sedgwick Claims Management Services Inc.
Telecommuter, FL
PRIMARY PURPOSE: The AI Evaluation Engineer designs, builds, and operates the evaluation systems that determine whether our GenAI solutions are accurate, safe, reliable, and ready for…
Added 1 min ago
Senior Engineer II, Systems Engineering
ASM
United States
The Senior Engineer (II), Systems Engineering is a technical leader responsible for the development, integration, qualification, and deployment of advanced sensor technologies across ASM…
Added 1 min ago
Network Engineer
GD Information Technology, Inc.
United States
Communication Network, Data Communication Networks, Network InfrastructuresCertifications:
Added 1 min ago
Sr. Network Security Engineer
GD Information Technology, Inc.
United States
The Senior Network Security Engineer is responsible for the configuration, deployment, and management of the customer’s NAC solution in a 24x7x365 environment. The senior engineer is…
Added 1 min ago
Senior Software Engineer, Content Understanding
Roblox
San Mateo, CA
As a Senior Software Engineer within the Creator Organization, you will develop innovative full-stack solutions that define the future of Roblox’s Content Understanding Platform. This…
Added 2 mins ago
Senior Engineer, Kubernetes Infrastructure
CoreWeave
CA / Bellevue, WA · Livingston, NJ · Manhattan, NY · Sunnyvale, CA
As a Senior Engineer in Compute Services, you will be responsible for building fault-tolerant and reliable infrastructure to support both our internal processes and our customer platform.…
Added 3 mins ago
Process Engineer
Nammo Defense Systems, Inc
Mesa, AZ
Nammo Defense Systems Inc., a defense contractor, manufactures and supports shoulder-fired systems; energetic material solutions such as aircraft emergency escape systems, actuation…
Added 4 mins ago
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Staff Manufacturing Engineer
ZT Group Intl, Inc. dba ZT Systems
Secaucus, NJ
- $93,000 to $136,400 USD / year
The Staff Manufacturing Engineer is responsible for leading the development, applied research, and implementation of industrial models, business analytics solutions, and analytical tools…
Added 5 mins ago
Staff Offensive Security Engineer
INSPYR Solutions
Beverly Hills, CA
Staff Offensive Security Engineer - Direct-Hire/FTE - Remote (US)
Added 5 mins ago
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Senior Power System Engineer – AI Grid Studies
GridUnity
Remote, United States
- $185,000 to $205,000 USD / year
GridUnity is the industry leader in interconnection life cycle management, delivering cutting-edge software solutions that eliminate bottlenecks in the interconnection process and…
Added 6 mins ago
Software Engineer - Orchestrated Application Recovery
Rubrik Job Board
Palo Alto, CA
As a Software Engineer in the AppFlows team, you will be responsible for:
Added 6 mins ago
WD
Principal Data Engineer
Walt Disney Attractions Technology LLC
Orlando, FL
- $159,800 to $214,200 USD / year
The Disney Signature Experiences and Data team delivers innovative technology solutions across Disney Cruise Line, Disney Vacation Club, and our global tour businesses. We support Guest and…
Added 6 mins ago
SS
Staff Perimeter Defense Engineer
State Street
Boston, MA
- $120,000 to $202,500 USD / year
We are looking for a Staff Perimeter Defense Engineer reporting into the Defensive Engineering leadership team within Global Cyber Security (GCS). You will lead the strategy, architecture,…
Added 7 mins ago
AI Solutions Engineer
UWMSN University of Wisconsin Madison
Remote, United States
The Integrated Business Solutions team within the Division of Information Technology is seeking a highly skilled AI Solutions Engineer to design, build, operate, and continuously improve…
Added 7 mins ago
Account Executive
Percepto
Remote, United States
We orchestrate autonomous and remote data capture across drones, sensors and other systems into one continuously verified, always-current picture of every asset an operator is accountable…
Added 7 mins ago
Account Executive
Percepto
Remote, United States
We orchestrate autonomous and remote data capture across drones, sensors and other systems into one continuously verified, always-current picture of every asset an operator is accountable…
Added 7 mins ago
Senior Software Development Engineer
CVS Health
Scottsdale, AZ
The Senior Software Development Engineer is responsible for leading the design, development, and implementation of innovative digital solutions that power exceptional member experiences. In…
Added 8 mins ago
React / Java Full Stack Software Engineer III
JPMC page
Jersey City, NJ
As a React / Java Full Stack Software Engineer III at JPMorganChase within the Consumer and Community Bank- Business Banking, you serve as a seasoned member of an agile team to design and…
Added 9 mins ago
Staff Software Engineer, Full-Stack (Arsenal 2)
Anduril Industries
Santa Ana, CA
…OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is…
Added 9 mins ago
Staff Software Engineer, AI
Anduril Industries
Costa Mesa, CA
…OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is…
Added 9 mins ago
Senior Software Engineer, Full-Stack (Arsenal 2)
Anduril Industries
Santa Ana, CA
…OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is…
Added 9 mins ago
Senior Mission Operations Engineer, Army Command and Control (Active Clearance)
Anduril Industries
Aberdeen, MD · Costa Mesa, CA · Seattle, WA · Washington, DC
…OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is…
Added 11 mins ago
Senior Network Security Design Engineer
Core4ce Careers
North Charleston, SC
This role focuses on secure network architecture, data center and WAN security, firewall and web application security, traffic inspection, encryption, VPN connectivity, and integration of…

Simplex

Full Stack Sofware Engineer

Austin, TX, United States

Base salary of $220,000–$280,000, depending on experience, skills, and scope of responsibility.

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Job details

Pay: Base salary of $220,000–$280,000, depending on experience, skills, and scope of responsibility.
Posting language: English
Posted: Nov 3, 2026

Original job description

This role is in-office M-F in the Flatiron District, NYC, NY. Our client is a technology company building software that helps independent retailers manage and grow their businesses. Its platform connects essential retail operations, including checkout, payments, inventory, online sales, and back-office workflows, with AI-powered capabilities. The engineering team works together in person in New York City, releases improvements frequently, and partners directly with business owners to understand how the product performs in day-to-day operations. About the Role Our client is seeking a Full Stack Software Engineer who combines strong technical fundamentals with thoughtful product judgment. You’ll own features from initial problem definition through production, building intuitive user experiences backed by reliable APIs, data models, and infrastructure. This role offers substantial ownership across customer-facing products and shared engineering foundations. You’ll collaborate with product partners, customers, and fellow engineers to identify problems, evaluate tradeoffs, and deliver practical solutions. The core technology stack includes TypeScript, React, Next.js, tRPC, Prisma, and PostgreSQL. What You’ll Do

Build and deliver full-stack features spanning React interfaces, backend services, APIs, and relational data models.
Own projects through discovery, technical design, implementation, testing, release, and ongoing improvement.
Improve checkout and payment reliability, accounting for concurrent activity, interrupted connections, retries, and transaction recovery.
Develop reusable components, internal tools, and workflows that help other engineers build more effectively.
Monitor and improve the systems you deliver, investigating performance issues across the browser, application, and database.
Use logs, metrics, and tracing to diagnose production incidents and address their underlying causes.
Incorporate AI coding tools into development while reviewing generated code and validating correctness.
Contribute to architecture discussions, code reviews, and mentoring.

What You Bring

A track record of owning substantial full-stack applications in production, with clear examples of your technical decisions and impact on users.
Strong programming fundamentals and modern frontend expertise, including state management, accessibility, interaction design, and performance.
Strong backend and relational database skills, particularly with PostgreSQL, including schema design, transactions, indexing, and query optimization.
Practical understanding of distributed systems concepts such as concurrency, idempotency, retries, and partial failures.
Experience troubleshooting production systems and improving reliability through effective observability.
Product judgment and the ability to turn an ambiguous customer need into a focused, usable solution.
The ability to independently move an open-ended project forward while communicating clearly with teammates.

Nice to Have

Experience with payments, retail technology, point-of-sale systems, or software supporting multi-location businesses.
Familiarity with card terminals, payment authorization and capture, or systems designed to remain resilient during connectivity issues.
Experience with the core stack or infrastructure tools such as AWS Aurora/RDS, ElastiCache, Datadog, and OpenTelemetry.
Experience creating shared architecture, development tools, or engineering practices adopted across teams.
Experience building LLM-powered features or improving engineering workflows with AI coding tools.

Candidates do not need experience with every technology listed. Demonstrated engineering judgment, product ownership, and the ability to learn quickly are valued. Compensation and Benefits

Base salary of $220,000–$280,000, depending on experience, skills, and scope of responsibility.
Meaningful equity.
Fully company-covered medical and dental benefits.
401(k).
Weekly catered lunch and dinner available each evening for employees who would like to eat with the team.

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