Jobs in the United States

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Added 8 mins ago
Senior Project Manager, Scrum Master
Emerald
Remote, United States
Manage delivery of cloud data-platform capabilities, including source ingestion, API and file-based integrations, data transformation, master data, data quality, governance, data models,…
Added 9 mins ago
Power Platforms Mid Engineer
Serco
Concord, NH
Experience with Dataverse, connector configuration, API integration, and common data sources (SharePoint, Azure SQL, on-prem connectors).
Added 9 mins ago
Quality Engineer, AI & Test Automation
Baylor Scott & White Health
Concord, NH
· This role is expected to combine strong testing discipline with technical skills, including automation, API validation, data validation, CI/CD integration, quality metrics, defect triage,…
Added 9 mins ago
Senior Data Scientist, AI
Baylor Scott & White Health
Concord, NH
Added 10 mins ago
C
Smile CDR Integration Developer
CAI
Concord, NH
- $62 to $72 USD / hour
As a Smile CDR Integration Developer, you will design, develop, and support enterprise interoperability solutions that enable healthcare data exchange across payer, provider, and regulatory…
Added 10 mins ago
C
Smile CDR Administrator
CAI
Concord, NH
- $65 to $72 USD / hour
Manage Smile CDR modules, partitions, repositories, channels, security, and API configuration
Added 10 mins ago
C
Senior QA Automation Engineer - Playwright & Selenium
Cognizant
Concord, NH
- $50,000 to $92,500 USD / year
…ideal candidate will have strong experience in test automation, API testing, functional validation, and data verification, with a passion for delivering high-quality software in Agile…
Added 10 mins ago
Product Manager - Technical
Intermountain Health
Concord, NH
Understanding of and experience working with API integrations , including the ability to interpret technical documentation and support data exchanges between systems.
Added 10 mins ago
C
Senior Mainframe CoolGen Developer
Cognizant
Concord, NH
- $55,350 to $82,000 USD / year
We are looking for an experienced Senior Mainframe CoolGen Developer to design, develop, test, enhance, and support high-volume, reliable enterprise applications built on CA Gen/CoolGen and…
Added 10 mins ago
Sr Site Reliability Engineer -Remote US
SitusAMC
Concord, NH
Implement best practices for configuring, tuning, and securing API’s/Microservices to achieve optimal performance and uptime
Added 10 mins ago
Core Senior .NET Software Engineer
Evolent
Concord, NH
Deep understanding of software architecture patterns, such as microservices, event-driven architecture, and RESTful API design.
Added 10 mins ago
.NET API Developer
Cognizant
Concord, NH
As a .NET API Developer , you will make an impact by designing and developing scalable, secure, and high-performing APIs and microservices that support critical banking applications. You…
Added 10 mins ago
Software Engineer II
Amentum
Concord, NH
The Software Engineer II will perform full stack development with C# program, ReactJS, MVC, Linq, and rest API development in NET Core platform. This position is US remote teleworking…
Added 12 mins ago
Software Developer
neurohire.ai
Remote, United States
NeuroHire is looking for a motivated and talented Software Developer to join our team. In this role, you will contribute to developing, testing, and maintaining software applications while…
Added 12 mins ago
Vectra AI Cloud Native Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Reston, VA · Washington, DC
Experience building distributed systems, microservices, and API-driven pipelines.
Added 12 mins ago
System Administrator - Active TS/SCI with CI Poly
ENS Solutions, LLC
Washington, DC
Principal technologies: Java, Java Persistence API (JPA), Java Web Services (JAX-RS), Java Cryptography Extension (JCE), Hibernate, Spring, JavaScript, Apache Ant, Apache HTTPD, and Apache…
Added 13 mins ago
Software Engineer / Application Developer
American Operations Corporation
Montgomery, AL
…Agile sprint execution across cloud-native, web, middleware, API, database, and legacy application environments while ensuring code changes align to operational mission requirements,…
Added 13 mins ago
Full Stack Engineer (.NET + Front-End)
NetSpeek
Remote, United States
Owning the REST API design between backend and frontend (and Lena's Python services).
Added 13 mins ago
Salesforce Solution Architect
Global Career Website
Remote, United States
Deep understanding of enterprise event-driven architectures, Pub/Sub API, identity/SSO management, and Large Data Volume (LDV) governance across platforms like D365, Snowflake, and MuleSoft.
Added 13 mins ago
Senior Technical Account Manager
Axonius Federal Systems LLC
On-site Washington DC or Tampa, FL
Familiarity with API’s and their practical application in a real world environment
Added 13 mins ago
Resident Technical Account Manager
Axonius Federal Systems LLC
Remote, United States
Added 20 mins ago
Senior Frontend Technical Lead - React & Integrations
Concentrix CVG Customer Management Group Inc.
United States
We are seeking a highly skilled Lead Web Developer – React / Node.js to take ownership of web application architecture, hands-on development, and technical delivery for a high-impact web…
Added 20 mins ago
NI
Quality Assurance Analyst
Net2Source Inc.
Boston, MA · New York City, NY · Pittsburgh, PA · San Francisco, CA
- $70,000 to $90,000 USD / year
Conduct API testing and SQL/database testing.
Added 21 mins ago
Test Automation Engineer - U.S. Citizenship Required
CGI Technologies and Solutions, Inc.
Lafayette, LA
Experience with API testing tools such as SOAP UI, Insomnia, and Swagger/OpenAPI.
Added 21 mins ago
C
Smile CDR Integration Developer
CAI
Baton Rouge, LA
- $62 to $72 USD / hour
As a Smile CDR Integration Developer, you will design, develop, and support enterprise interoperability solutions that enable healthcare data exchange across payer, provider, and regulatory…

NetSpeek

Full Stack Engineer (.NET + Front-End)

Remote, United States

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Job details

Posting language: English
Posted: Sep 2, 2026

Original job description

Full Stack Engineer (.NET + Front-End) - NetSpeek NetSpeek is the agentic control plane for enterprise physical infrastructure. We govern how AI agents reason about, decide on, and execute actions across enterprise endpoints. Our reasoning and execution layer - Lena - sits in customer production environments, where reliability, observability, and auditability are non-negotiable. TThe Full Stack Engineer ships features end-to-end across the .NET backbone, the React surfaces, and the operator workflows on top of Lena. You'll move across the stack daily.

What you'll work on

Designing and shipping .NET 6+ backend services that mediate between AI reasoning, device adapters, and operator surfaces.
Building React surfaces that present Lena's signal - including uncertainty shape, not just confidence numbers.
Owning the REST API design between backend and frontend (and Lena's Python services).
Driving operator UX decisions in partnership with product, with attention to the workflows operators run dozens of times a day.

You're a fit if

You have 5+ years of .NET / C# backend experience, with hands-on production work in .NET 6 or newer.
You have 3+ years of React (or comparable modern framework) experience.
You've shipped end-to-end features that touched both backend and frontend in the same project.
You've designed and shipped production REST APIs in a distributed SaaS environment.
You have hands-on production experience with AWS (preferred), Azure, or GCP.

You probably aren't a fit if

You're a backend-only engineer who treats the UI as someone else's problem.
You're a frontend-only engineer who treats the API as a given.
You haven't worked in environments where AI changes the contract between layers..

How to apply We prefer applications through our hiring site: https://build.netspeek.ai/roles/full-stack-engineer

There are three paths there, and we prioritize them in this order:

Incident Lab / Case Study - work through a real scenario for this role and send your reasoning with the application. Read first. The scenario gives us the most signal on how you actually think.
Field Note - a single written take instead of the scenario. Read second. Faster than the lab, still a strong signal.
Standard application - resume and the basics through the site's apply form. Read third. Applying directly through Workable below also works, and we'll still read it. The site's three paths exist because they give us better context for the read. Either path is read by a human on our hiring team. No AI scoring, no auto-rejection. Read the Engineering Handbook and How We Evaluate before applying.

After an offer We run standard pre-employment checks before your start date: identity verification, right-to-work confirmation, employment verification, and (where lawful and role-relevant) a criminal record check. We don't run credit checks or online reputation scoring.

Requirements

Must-have

Strong backend engineering experience in .NET / C#, with hands-on production work in modern .NET (6+, not legacy Framework only).
Frontend development experience with modern React (or comparable framework such as Next.js, Vue, or Svelte).
API design experience for distributed SaaS systems; you have designed and shipped production REST APIs.
Cloud-native application development with AWS preferred (Azure or GCP also welcome).
Strong debugging and systems thinking.

Strong signal

Real-time systems or orchestration platform experience.
Enterprise SaaS architecture familiarity.
Exposure to AI-integrated applications (you do not need to be the AI engineer, but you should be comfortable working alongside one).
Startup or scale-up environment experience.
Observability and operational tooling familiarity.

Benefits

We are growth-stage and fully remote, not late-stage. We invest in the work, the tools, and the people, not the manifesto.

What that looks like in practice:

Flexible / unlimited time off
Health insurance
Equity participation, discussed at offer
Fully remote
Architectural ownership of work that ships to real enterprise customers
Direct working relationships with the people setting platform strategy
A growth-stage platform where the decisions you make in your first year shape the product for years
AI-assisted tooling licensed by NetSpeek (Cursor, Claude Code, GitHub Copilot, or comparable)

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