Jobs in the United States

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Added 20 mins ago
K
Associate Director, AI Application Engineer
KPMG
Louisville, KY
- $7.25 USD / hour
Strong full-stack development experience with modern technologies including C#, .NET, JavaScript, TypeScript, React.js, Node.js, HTML, and CSS
Added 55 mins ago
Senior Associate - Full-Stack AI Engineer
New York Life Insurance Co
New York, NY
· Lead with curiosity and innovation by designing and developing reusable components, frameworks, and modern capabilities that can be leveraged across applications and teams.
Added 55 mins ago
Senior Associate - Full-Stack AI & Data Engineer
New York Life Insurance Co
New York, NY
· Lead with curiosity and innovation by designing and developing reusable components, frameworks, and modern capabilities that can be leveraged across applications and teams.
Added 55 mins ago
Senior Associate - Full-Stack AI Engineer
New York Life Insurance Co
New York, NY
· Lead with curiosity and innovation by designing and developing reusable components, frameworks, and modern capabilities that can be leveraged across applications and teams.
Added 1 hour ago
Senior Associate - Full-Stack AI & Data Engineer
New York Life
New York
· Lead with curiosity and innovation by designing and developing reusable components, frameworks, and modern capabilities that can be leveraged across applications and teams.
Added 1 hour ago
Senior Associate - Full-Stack AI Engineer
New York Life
New York
· Lead with curiosity and innovation by designing and developing reusable components, frameworks, and modern capabilities that can be leveraged across applications and teams.
Added 1 hour ago
Senior Associate - Full-Stack AI Engineer
New York Life
New York
· Lead with curiosity and innovation by designing and developing reusable components, frameworks, and modern capabilities that can be leveraged across applications and teams.
Added 2 hours ago
Senior Full-Stack Software Engineer
Trinzic
Beavercreek Township, OH
…Vue, React, or Angular, integrated with Java/Spring Boot, C#/.NET, or comparable backend…
Added 4 hours ago
SO
Principal Developer - OIT Internal Recruitment (Remote From Anywhere In CO)
State of Colorado
CO
- $122,000 to $137,000 USD / year
Engineer Full-Stack Solutions: Develop and deliver end-to-end software solutions across user interfaces, server-side services, and data persistence layers while authoring automated tests,…
Added 4 hours ago
SO
Principal Developer (Full Stack) Remote From Anywhere In CO
State of Colorado
CO
- $122,000 to $137,000 USD / year
The State of Colorado Governor's Office of Information Technology (OIT) is seeking a Full Stack Principal Developer. In this role, you will lead technical design, application build and…
Added 4 hours ago
Sr .Net Software Engineer – Hybrid Owings Mills, MD
T. Rowe Price
Owings Mills, MD
…business, data, and technical challenges. We are seeking a full-stack engineer who is passionate about engineering excellence, thrives in collaborative environments, and enjoys building…
Added 5 hours ago
ES
Senior Application Developer
EPT SPE LLC
United States
- $123,000 to $153,000 USD / year
The Senior Application Developer designs, builds, and supports moderate to highly complex applications on a serverless, cloud-native architecture using an AI-first, agentic development…
Added 6 hours ago
Senior Software Engineer
Flatiron Health
NY
You are a full-stack web developer with experience building both front-end interfaces (e.g., React) and back-end services, including REST APIs and relational databases.
Added 7 hours ago
Software Engineer Intern
WEX Health, Inc.
Remote, United States
Ship Full-Stack Features: Develop backend services in .NET and build user interfaces using React.
Added 7 hours ago
M
Senior Full Stack Developer (.NET)
ManpowerGroup
Austin, TX
- $65 to $69 USD / hour
Our client is seeking a Senior Full Stack Developer (.NET) to join their team. As a Senior Full Stack Developer (.NET), you will be part of the Retail Onboarding and Activation…
Added 7 hours ago
Lead Site Reliability Engineer
Little Caesar Enterprises Inc.
Detroit, MI
Lead incident response and troubleshooting across the stack, act as an escalation point, and run blameless post-incident reviews that drive short-term and long-term fixes and eliminate…
Added 7 hours ago
US LBM Lead Software Engineer – Application Development (Pricing)
US LBM Service Co
Remote, United States
The ideal candidate brings strong full-stack engineering experience, relevant pricing systems domain knowledge, and the ability to mentor engineers, guide technical decisions, and improve…
Added 8 hours ago
Lead Developer
RBC Capital Markets LLC
Jersey City, NJ
Lead Risk platform delivery with full-stack architecture (Java/Spring Boot, Python, React/TypeScript). Design event-driven services for Profit and Loss (PnL) and risk limits. Build backend…
Added 9 hours ago
Software Engineer II
Alarm.com
Needham, MA
Designing, developing, implementing, and testing new software features across the full stack
Added 9 hours ago
Entry-Level Software Developer - Application Support & Sustainment (Remote)
RTX
United States
Exposure to the full Microsoft development stack
Added 9 hours ago
Sr. Full Stack .NET Developer with AI - Onsite, In Person Interview
MSys Inc.
Harrisburg, PA
Minimum 10 years of professional software development experience, including significant hands-on full stack development.
Added 10 hours ago
Full Stack Engineer
Robert Half
Jacksonville, FL
We are seeking a Senior Full Stack Engineer to lead the design and development of modern web applications. This role will work across the full technology stack, building scalable front-end…
Added 11 hours ago
Principal Engineer, Agentic AI
Steer
Remote, United States
Architectural Vision: Lead the design of reusable full-stack components and services that ensure our platform remains performant as we scale toward market dominance.
Added 14 hours ago
Senior AI Fullstack Developer
Marvik
Remote, United States
Join as a Software Engineer to build AI full-stack solutions and shape an engineering culture that values autonomy, creativity, and technical excellence. 🚀
Added 15 hours ago
T
.NET Developer
TriQuest
San Antonio, TX
- $130,000 USD / year
Our client is seeking an experienced .NET Developer to lead full-stack development initiatives using the .NET platform. This role will contribute to all phases of the software development…

Flatiron Health

Senior Software Engineer

NY, United States

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Job details

Posting language: English
Posted: Oct 30, 2026

Original job description

Reimagine the infrastructure of cancer care within a community that values integrity, inspires growth, and is uniquely positioned to create a more modern, connected oncology ecosystem.

We're looking for a Senior Software Engineer to lead the technical direction of electronic prescribing in OncoEMR, to help us accomplish our mission to improve and extend lives by learning from the experience of every person with cancer. Are you ready to be the next changemaker in cancer care?

What You'll Do

In this role you will lead the technical design and delivery of our electronic prescribing (eRx) modernization, including upgrading to the latest standards and actively partnering with key vendors for verification. You will help break large, ambiguous problems into clear plans, tickets, and milestones, and keep the team aligned on scope, risks, and timelines. In addition you will:

Write and review high-quality code across the stack in C#, VB.NET, and React, setting the bar for testing, reliability, and maintainability.
Guide the phased move from legacy WebForms and VB.NET workflows to React micro-frontends and .NET services, balancing modernization with the day-to-day needs of clinicians.
Partner with product, design, QA, and clinical oncology experts to turn prescriber and pharmacist workflows into thoughtful technical solutions.
Build and test safety-critical prescribing workflows that help us meet ONC certification and DEA/EPCS requirements.
Mentor engineers through code reviews, pairing, and design feedback, and help shape how the team works, including how we use AI tools across the development lifecycle.
At the end of your first year, success would mean having led eRx work from design through rollout, with a team that ships reliably and clinicians who can prescribe with less friction.

Who You Are

You're a kind, passionate and collaborative problem-solver who values the opportunity to think beyond the way things are. In addition, you're a thoughtful, empathetic communicator with 5–8 years of experience building and shipping production software, including technical leadership of a project or team.

You have experience building production software in a modern language (e.g., C#, Java, Python, or TypeScript) and are comfortable working in a large, long-lived codebase.
You are a full-stack web developer with experience building both front-end interfaces (e.g., React) and back-end services, including REST APIs and relational databases.
You have led the technical design and delivery of complex, cross-team projects from planning through rollout, and can make and communicate architecture tradeoffs.
You mentor and grow other engineers through code review, pairing, and thoughtful feedback.
You are a self-starter who is comfortable working with ambiguity and breaking large problems into clear steps.
You are a team-player who gives and receives feedback openly and enjoys working cross-functionally.
You are motivated by our mission and want your work to have a direct impact on people with cancer, in software where safety and accuracy matter.

Extra credit

You have experience using AI coding tools (e.g., Claude Code or Cursor) to build and test software, and a point of view on what works well.
You have experience building features powered by LLMs or AI agents, or evaluating AI output for quality and safety.
You have experience in a regulated environment (e.g., ONC certification, HIPAA, or DEA/EPCS) and are interested in continuing that kind of work.

Where You'll Work

In this hybrid role, you’ll have a defined work location that includes work from home and 3 office days set by you and your team. For more information on our approach to hybrid work, please visit the how we work website.

Life at Flatiron

At Flatiron Health, we offer a full range of benefits to support you and your loved ones so you can focus your working hours on improving cancer care and accelerating cancer research, and your non-working hours on everything else life has to offer:

Work/life autonomy via flexible work hours and flexible paid time off
Comprehensive compensation package
401(k) contribution to help you reach your retirement planning goals
Financial health resources including 1:1 financial advice
Mental well-being tools and services
Parental benefits and policies including family-building care and generous leave
Path to parenthood programs supporting fertility, adoption and surrogacy
Travel support for safe healthcare services

In addition to our robust benefit offerings, visit our Life at Flatiron page to learn how we support continuous learning and celebrate inclusion and belonging in the workplace.

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