Jobs in the United States

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Project Engineer - Infrastructure Group
Royal Electric
Dallas, TX
- $90,000 USD / year
We currently have an opening for a Project Engineer role that can be based out of Dallas, TX, Denver, CO, or Austin, TX. This position will support airfield infrastructure projects at…
Added 1 min ago
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Ai Engineer
TEKsystems
Palo Alto, CA
- $80 to $85 USD / hour
DescriptionSenior AI Engineer / Forward Deployed EngineerAbout the OpportunityJoin a newly formed, executive-sponsored AI Transformation organization focused on delivering enterprise-scale…
Added 1 min ago
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Civil Design Intern
LPA, Inc.
Irvine, CA
- $21 to $26 USD / hour
- Use AutoCAD and Civil 3D to assist in the production of design drawings and technical documentation.
Added 1 min ago
Roadway Senior Project Engineer
HNTB Corporation
Castle Hayne, NC
This opportunity entails being responsible for the production and modification of design calculations, technical reports, engineering plans and specifications for assigned projects. This…
Added 2 mins ago
Senior Principal Space Systems Engineer
General Dynamics Mission Systems, Inc
Scottsdale, AZ
…have work experience with digital signal processing algorithm development for the statistical analysis of signal parameter measurements utilizing techniques from Detection & Estimation…
Added 2 mins ago
Business Operations Software Engineer 2027 Co-op
Sun Life Financial (U.S.) Services Company, Inc.
Hartford, CT · Portland, ME · Kansas City, MO
Papercut Avengers - Business Operations Software Engineer - January Co-op
Added 2 mins ago
Staff Endpoint Engineer
SmithRx
Plano, TX
SmithRx is seeking a visionary and highly strategic Staff Endpoint Engineer to serve as the overarching technical authority and architect for our enterprise endpoint infrastructure, vendor…
Added 3 mins ago
AVP, Enterprise Projects
Arch Capital Services LLC
Charlotte, NC · Home Base, NC
Architect and design solutions on the Unqork platform to meet business and technical requirements.
Added 3 mins ago
Electrical Engineer
Mission Critical Group
Brookston, IN
The Electrical Engineer is expected to collaborate effectively at all levels with key stakeholders in the development of quality engineering drawings to meet client and regulatory…
Added 4 mins ago
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Senior System Integration and Test Engineer
Silvus Technologies, Inc.
Irvine, CA
- $130,000 to $180,000 USD / year
Silvus is seeking a Senior System Integration and Test Engineer who will report to the Senior Engineering Director on the Irvine Engineering team. The successful individual in this role…
Added 6 mins ago
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Senior Supplier Industrialization Engineer, Battery Materials
Form Energy, Inc
Somerville, MA · Weirton, WV
- $128,662 to $168,844 USD / year
We are seeking a highly skilled and experienced Supplier Industrialization Engineer with a strong focus on chemicals and advanced materials. In this critical role, you will be instrumental…
Added 6 mins ago
Information Security Engineer
TDC Brand
Napa, CA · Sherman Oaks, CA
The Information Security Engineer protects the organization’s systems and data by owning day-to-day vulnerability management while serving as a first-tier responder for security alerts and…
Added 6 mins ago
Senior Software Engineer, AI
Anduril Industries
Costa Mesa, CA
…that vision. We’re seeking a highly motivated Senior Software Engineer to join a scrappy team dedicated to the continued build out of our internal AI ecosystem, encompassing infrastructure…
Added 6 mins ago
Flight Test Engineer
Anduril Industries
Costa Mesa, CA
As a UAS Flight Test Engineer you will plan, execute and report on developmental and operational flight Test & Evaluation (T&E) activities. You will work alongside a team of engineers and…
Added 6 mins ago
Sr. Equipment and Automation Engineer
Exact Sciences Corp
WI
The Senior Equipment and Automation Engineer will be responsible for leading cross-functional teams in a matrix organization to plan and successfully execute larger projects. An emphasis…
Added 6 mins ago
Senior Systems Engineer
Lingo US Inc
CA
We are seeking a Systems Engineer to lead design and development efforts across our cloud, and mobile platforms within a regulated medical device environment. This role is based in Alameda,…
Added 6 mins ago
PPL Commissioning Engineer
CB&I
Plainfield, IL
The Principal Commissioning Engineer is an individual contributor subject matter expert within CB&I Storage Solutions for complex Commissioning, Start-up and Operations of structural and…
Added 6 mins ago
REMOTE Structural/Mechanical Analysis Engineer
EGS
Idaho Falls, ID
…position is remote-eligible, with periodic coordination calls with technical leads expected; no mandatory on-site presence is required. Engagement duration and hours will be determined…
Added 7 mins ago
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Senior Systems Engineer
EUV Tech
Martinez, CA
- $150,000 to $175,000 USD / year
At EUV Tech, we enable the frontiers of semiconductor manufacturing and material science through the development of world-leading extreme ultraviolet and soft x-ray instrumentation and…
Added 7 mins ago
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Senior Staff Sustaining Engineer
Insight Global
Irvine, CA
- $165,000 to $190,000 USD / year
Insight Global is seeking a Staff / Senior Staff Sustaining Engineer to join an innovative, growing medical device company in Irvine, CA. This is an opportunity to take on a key technical…
Added 8 mins ago
Environmental Engineer
Hoffman Construction Company
Boise, ID · ID
Position Summary: The Environmental Engineer will work within the Safety department and will report to the program Safety Manager. They will work closely with the HCC and Client…
Added 8 mins ago
Site Reliability Engineer
E2B
San Francisco, CA
- Work with FDE, Solutions, and Support on complex deployments and technical escalations, joining customer troubleshooting when needed.
Added 9 mins ago
Sr Technical Support Engineer - Electromagnetism
Synopsys
Boulder, CO
Collaborate with product development, field teams, and senior support engineers to relay customer workflow insights and technical feedback that shape product direction
Added 10 mins ago
TB
Data & Platform Engineer
Truist Bank
Richmond, VA · Atlanta, GA · Charlotte, NC
- $105,040 to $130,030 USD / year
The engineer combines strong expertise in SQL Server, Oracle, database performance tuning, data modeling, ETL/ELT development, API integration, and AWS data services to build and support…
Added 10 mins ago
TB
.Net Software Engineer
Truist Bank
Richmond, VA · Atlanta, GA · Charlotte, NC
- $105,040 to $131,300 USD / year
…management, while collaborating with cross-functional teams to drive technical initiatives and mentor junior…

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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