153 react engineer jobs at 79 companies in Cornwall, NY

1mo
Save
Mark Applied
Hide
Sr. Software Engineer (React Native)
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
Subway
Subway: Global restaurant chain specializing in made-to-order submarine sandwiches.
6+ YOE6+ years software engineering experience; strong JavaScript, Node.js, ReactJS and React Native skills; experience with REST APIs, unit/integration testing, CI/CD, version control, databases; BS in CS or equivalent preferred.
JavaScript, Node.js, ReactJS, React Native, REST APIs, CI/CD
2d
Save
Mark Applied
Hide
Sr. Software Engineer- React Native Mobile
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
Subway
Subway: Global quick-service restaurant chain specializing in made-to-order sandwiches.
6+ YOERequires 6–9 years of software engineering experience, strong React Native and TypeScript expertise, mobile testing and release experience, REST APIs, authentication, and a bachelor's degree or equivalent experience.
React Native, Expo, TypeScript, Redux Toolkit, MMKV, React Navigation, Adyen, Apple Pay, Google Pay, AWS Cognito, Jest, React Native Testing Library, Maestro, GitHub Actions, Expo Application Services (EAS), Fastlane, Sentry, LaunchDarkly, Adobe Experience Platform, Quantum Metric, BrowserStack, Swift, Objective-C, Kotlin, Java, REST APIs, Azure DevOps, Figma, OneTrust
1d
Save
Mark Applied
Hide
Full stack Java React Software Engineer II
Jersey City, New Jersey, United States
$119k-$150k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
2+ YOERequires 2+ years of software engineering experience, Java and Spring Boot development, React, databases, SDLC, agile practices, testing, troubleshooting, and secure coding. AWS exposure preferred.
Java, Spring Boot, React, AWS, CI/CD
2mo
Save
Mark Applied
Hide
Full Stack Engineer (C#/React)
Manhattan, New York, United States
$101k-$134k/yr OnsiteFull Time
Rockstar Games
Rockstar GamesNASDAQ: TTWO: Developer and publisher of world-class interactive entertainment and games.
3+ YOE3+ years professional web development with C# and React, T-SQL and source control experience; degree in computer science or 3+ years equivalent; strong communication and Agile experience.
C#, MSSQL, JavaScript, TypeScript, React, T-SQL, Perforce, Redis, MongoDB, Elasticsearch, npm, NuGet
1w
Save
Mark Applied
Hide
Senior Full-Stack Developer (React + Python/FastAPI)
Jersey City or Dallas or Tampa
$75k-$150k/yr HybridFull Time
DTCC
DTCC: Provides post-trade infrastructure for the global financial services industry
6+ YOE7+ years full-stack experience with React, Python/FastAPI, SQL, Docker, and cloud; strong design, performance, security, and mentoring skills.
React, Python, FastAPI, SQL, Snowflake, Docker, Nginx, AWS EC2
1w
Save
Mark Applied
Hide
AI Product Engineer
San Mateo or New York
$200k-$300k/yr HybridFull Time
Fireworks AI
Fireworks AI: Provides high-performance generative AI model inference and deployment infrastructure.
3+ YOE3+ years software engineering experience, strong full-stack skills (React/TypeScript, Python or Go), experience shipping developer-facing products, API and product ownership, high velocity and ownership.
React, TypeScript, Python, Go, Apache 2.0
1mo
Save
Mark Applied
Hide
Agentic Solutions Engineer
Shelton, Connecticut, United States
HybridFull Time
BMG360
BMG360: Performance-focused marketing agency driving client growth.
3+ YOE3+ years backend/full-stack engineering with expert Python and strong TypeScript/React skills; experience building REST/GraphQL APIs, Django/DRF, Celery/Temporal, PostgreSQL, MCP protocol familiarity, and cloud (AWS/GCP).
Model Context Protocol (MCP), REST, GraphQL, Python, TypeScript, JavaScript, Django, Django REST Framework (DRF), React, React-Admin, FastAPI, Celery, Temporal, Pydantic, httpx, pytest, Node.js, PostgreSQL, Snowflake, WebSockets, SSE, OAuth2, JWT, OpenAPI, Swagger, Redoc, AWS, GCP, Lambda, Cloud Run, S3, GCS, Docker, GitHub Actions, Flowise, LangChain, Claude, Anthropic, GA4, Meta, Google
1mo
Save
Mark Applied
Hide
Associate Engineer
New York or United States
$81k-$100k/yr RemoteFull Time
Presidio
Presidio: Global provider of cloud, cybersecurity, and digital infrastructure solutions.
1+ YOEBachelor's in CS/CE or related and 1 year programming experience. Experience with Jersey/Spring, Postgres/MySQL, NoSQL (Cassandra, Couchbase, Elasticsearch, MongoDB), AWS/Azure, JIRA, Docker, Gradle, Git, Java, JavaScript (Node/Angular/React), and Python.
Jersey framework, Spring framework, Postgres, MySQL, Cassandra, Couchbase, Elasticsearch, MongoDB, AWS, Azure, JIRA, Docker, Gradle, Git, Java, JavaScript, Node, Angular, React, Python
2mo
Save
Mark Applied
Hide
Senior Research Engineer - Experimental Engineering
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
Consumer Reports
Consumer Reports: Tests products and publishes ratings for consumer advocacy.
Senior research engineer with deep full-stack software engineering experience, strong applied AI/ML knowledge, prototyping and R&D experience, Python/FastAPI and frontend (React/React Native) familiarity, and ability to lead experiments and mentor engineers.
AI, Machine Learning, Python, FastAPI, React, React Native, RAG
2mo
Save
Mark Applied
Hide
Software Engineer
New York City, New York, United States
$166k-$228k/yr HybridFull Time
Flatiron Health
Flatiron Health: Software platform for oncology data and clinical research.
1+ YOEBachelor's in CS or related and 1 year software engineering experience; experience with Python, JavaScript, AWS, PostgreSQL, React; strong communication and critical thinking.
Python, JavaScript, AWS, PostgreSQL, React, EHR
1mo
Save
Mark Applied
Hide
Senior Security Engineer (Product)
New York City or San Francisco or Seattle
$223k-$279k/yr HybridFull Time
Headway
Headway: Builds technology that helps therapists accept insurance and run their practice to increase access to mental health care.
5+ YOE5+ years security or software engineering experience, strong application and product security skills, experience with cloud and modern stacks, security reviews, incident response, and AI-native tooling.
Lacework, Python 3, TypeScript, FastAPI, SQLAlchemy, React, Postgres, Redis, AWS, Spark, Kafka, Datadog, PagerDuty, Github, Snyk, Semgrep
2w
Save
Mark Applied
Hide
System Design Engineer - AI Cluster Software Engineer
Santa Clara or Austin or Secaucus or Markham
HybridFull Time
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
5+ YOE5+ years professional software development; proficiency with JavaScript/TypeScript and modern frontend frameworks, backend services/APIs, Linux, containers, CI/CD, cloud/on-prem deployment, IaC and scripting; Bachelors/Masters in CS or software/computer engineering.
JavaScript, TypeScript, React, Angular, Vue, Linux, perf, flamegraphs, nvprof, rocprof, eBPF, containers, CI/CD, ROCm, RCCL, Instinct GPUs, EPYC, Slurm, Kubernetes, Apptainer, Singularity, Ansible, Terraform, Python, bash, Lustre, BeeGFS, RDMA
2mo
Save
Mark Applied
Hide
Senior Lead Python Engineer - Applications Development Group Manager - C14 - RUTHERFORD
Rutherford, New Jersey, United States
$177k-$265k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
12+ YOE8+ Mgmt12+ years in enterprise application, data engineering, or AI platform engineering; 8+ years leading multi-team Agile organizations; advanced expertise in Python, PySpark, Databricks, LLM/GenAI platforms; experience with Kubernetes/OpenShift, Kafka, cloud (AWS/Azure/GCP), and frontend frameworks.
Python, PySpark, Databricks, Devin.AI, GitHub Copilot, LLMs, Google ADK, Gemini, Flash, FastAPI, Spring Boot, Kubernetes, OpenShift, CI/CD, Kafka, React, Angular, AWS, Azure, GCP, Docker, MCP, Data Mesh
1mo
Save
Mark Applied
Hide
Staff Software Engineer
Hoboken, New Jersey, United States
$150k-$165k/yr HybridFull Time
Pearson
PearsonLondon Stock Exchange: PSON: Provide educational materials, assessments, and digital learning services globally.
10+ YOE10+ years building web applications and distributed systems; hands-on experience with agentic AI, LLMs, RAG, ReactJS, Java, Python, SQL; cloud-native experience (AWS/Azure/GCP); mentoring and architectural leadership.
ReactJS, Java, Python, SQL, Large Language Model (LLM), Retrieval-Augmented Generation (RAG), vector databases, AWS, Azure, GCP
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Long Island City, New York, United States
$130k/yr OnsiteFull Time
Springs Window Fashions
Springs Window Fashions: Manufacturer of custom window coverings for residential and commercial buildings.
6+ YOE6+ years software development experience; backend and frontend experience; familiarity with security protocols; ability to design tests and mentor developers.
Postman, Wireshark, RealTerm, Angular, Golang, TypeScript, Delphi, C++, MySQL, Visual Studio, Eclipse, HTML, CSS, React, JavaScript, jsNode, jQuery, AJAX, Windows, Linux (Ubuntu), SQL, TLS, SSL, HTTPS
1mo
Save
Mark Applied
Hide
IT Solutions Developer
Riverdale, New Jersey, United States
HybridFull Time
Camfil
Camfil: Manufacturer of premium air filtration and clean air solutions.
2+ YOEBachelor's degree, 2+ years software development experience, strong Python, React, TypeScript skills, LLM/AI and Azure experience, prompt engineering, CI/CD and IaC exposure, strong communication.
Python, React, TypeScript, LangChain, LangGraph, Autogen, Azure, Azure AI Search, Microsoft Fabric, Dataverse, LLM, Microsoft Copilot Studio, vector databases, GitHub Actions, Azure DevOps, Terraform, Ansible
1mo
Save
Mark Applied
Hide
Senior Software Engineer, Manufacturing Systems
Glen Cove, New York, United States
$180k-$210k/yr HybridFull Time
Standard Bots
Standard Bots: Develops and manufactures AI-powered robotic arms for industrial automation.
5+ YOE5+ years engineering experience; full-stack development with React/Typescript and Node.js/Python; PostgreSQL, GCP/AWS, Kubernetes, Docker; experience designing MRP/MES or production systems preferred.
React, Typescript, Node.js, Python, PostgreSQL, GCP, AWS, GraphQL, REST, Kubernetes, Docker
1mo
Save
Mark Applied
Hide
Software Engineer - ML Model Training
Livingston or New York City or San Francisco or Sunnyvale or Bellevue
$182k-$242k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Specialized cloud infrastructure provider for high-performance AI workloads.
Experienced front-end engineer with strong JavaScript/TypeScript and React skills, visualization and performance engineering experience for large datasets, familiarity with Canvas/WebGL or charting libraries, and strong communication and collaboration skills. Export-control eligibility (US person or eligible) required.
JavaScript, TypeScript, React, Canvas, WebGL, React-vis, uPlot
1w
Save
Mark Applied
Hide
Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
Strong experience with generative AI, LLMs and prompt engineering; hands-on development using .NET, React, Python; designing RAG pipelines, model training/fine-tuning, and Azure deployments.
.NET, React, Python, Claude, LangChain, LlamaIndex, Azure
1mo
Save
Mark Applied
Hide
Senior Software Engineer (Fullstack)
New York City or Boston or United States
$185k-$225k/yr HybridFull Time
Counsel
Counsel: Provides AI-powered virtual medical consultations through asynchronous messaging.
5+ YOE5+ years building production software (2+ years at a startup preferred). Proficiency with React, Next.js, Node.js (TypeScript), React Native, Postgres, AWS, Terraform, Redis. Familiarity with AI/ML concepts.
React, Next.js, Node.js, TypeScript, React Native, Postgres, AWS, Terraform, Redis