90 full stack engineer jobs at 67 companies in Cornwall, NY

1mo
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Full Stack Developer
New York, New York, United States
$89k-$121k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
5+ YOE5+ years full-stack web development experience, delivering end-to-end frontend and backend solutions; bachelor’s or master’s in Computer Science/Engineering or related; experience with cloud infrastructure, frontend frameworks (React/Vue), backend (Node.js/Go/Java), APIs, and performance/security best practices.
React, Vue, Next.js, Nuxt.js, Node.js, Go, Java, GCP, AWS, Azure, Terraform, Redis, CDN, OWASP, REST, API Gateway
3mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
2w
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Senior Full Stack Developer
Charlotte or Boca Raton or Newark or Santa Monica
$130k-$150k/yr HybridFull Time
Perr&Knight
Perr&Knight: Provides actuarial consulting and software solutions for the insurance industry.
6+ YOE6+ years full-stack experience with C#/.NET Core, Angular/TypeScript, JavaScript/CSS, RESTful APIs, MS SQL Server, public-facing SaaS experience, and hands-on use of AI coding tools.
Angular, TypeScript, C#/.NET Core, JavaScript, CSS, MS SQL Server, Claude Code, Codex, RESTful APIs
2mo
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Full Stack Software Engineer
New York or Denver
$125k-$160k/yr HybridFull Time
Gen II Fund Services
Gen II Fund Services: Provides fund administration services to private capital asset managers
3+ YOE3+ years in full stack development; strong Java and frontend skills; experience with AI tooling and cloud/DevOps; financial tech exposure preferred.
Java, Spring Framework, TypeScript, React, Azure DevOps, SQL Server, Docker, Kubernetes, Git, JUnit, Mockito, Jest, Playwright, Claude Code, Cursor, LangChain, LangGraph, Python, Sage Intacct
1mo
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Full-Stack Engineer
New York, New York, United States
$140k-$180k/yr HybridFull Time
Lazard
LazardNYSE: LAZ: Global financial advisory and asset management firm.
2+ YOE2+ years software engineering experience, bachelor’s in CS/Data Science, production application development, strong Python backend skills, front-end framework experience (e.g., React), API and SQL experience, cloud deployment (Microsoft Azure), regulated environment and ML production experience.
Python, React, SQL, Microsoft Azure
2w
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Full-Stack Engineer III (Contract to Hire)
Mount Arlington, New Jersey, United States
OnsiteContract, Full Time
MedPro Systems
MedPro Systems: Healthcare data and compliance solutions for life sciences companies.
7+ YOE7+ years full-stack engineering experience; expertise in React, Python/FastAPI, PostgreSQL; SSO/OIDC/Auth0 and third-party integrations; AI-assisted development and security-by-design; BS in Computer Science.
React, Python, FastAPI, PostgreSQL, Auth0, Veeva, SSO, OIDC
1w
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Full-Stack Geospatial Developer
Bronx, New York, United States
$130k-$144k/yr HybridFull Time
New York Botanical Garden
New York Botanical Garden: Operates a public botanical garden and plant research institution.
3+ YOEBachelor's in CS/geographic analysis/data science required (Master's preferred), 3+ years geospatial application development, full-stack web and AWS experience, GIS and coding skills, AI familiarity preferred.
ArcGIS, QGIS, Gdal, GeoPandas, R, PostGIS, Leaflet, MapLibre, OpenLayers, Google Earth Engine, Planetary Computer, Django, Javascript, Svelte, Typescript, HTML, CSS, Python, SQL, Amazon Web Services, Unity, Unreal Engine, Virtual Nature Studio, Vue, World Creator, City Engine
2mo
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Senior Full Stack Engineer (Angular and Python)
Jersey City, New Jersey, United States
$97k-$185k/yr OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
5+ YOE5+ years full stack experience with Angular and Python; CI/CD with Jenkins; REST APIs; SQL databases; Git and Agile; strong problem solving.
Angular, TypeScript, RxJS, Python, pandas, NumPy, Jenkins, pytest, Jasmine, Karma, Git, SQL, Oracle, Snowflake, REST API
1w
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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
1mo
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Full Stack Developer
Parsippany or Conshohocken or Wilkes Barre or Alpharetta or Scottsdale
$78k-$180k/yr HybridFull Time
Berkshire Hathaway GUARD Insurance Companies
Berkshire Hathaway GUARD Insurance Companies: Provides property and casualty insurance products to small businesses.
Degree in CS or equivalent experience; backend and frontend development experience (C#/.NET, React/Angular/Vue), cloud (Azure), databases, Git, CI/CD, AI-assisted tools; strong problem-solving and collaboration skills.
C#/.NET, React, Angular, Vue, Azure, Git, GitHub Copilot, ChatGPT, SQL, NoSQL, OAuth, OpenID
3w
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Full-Stack Developer
Parsippany, New Jersey, United States
$99k-$115k/yr OnsiteFull Time
Marotta Controls
Marotta Controls: Designs and manufactures precision control systems for aerospace and defense.
3+ YOE3+ years SDLC experience, AWS microservices and cloud migration expertise, Java/Python/C#/Angular/React, RESTful APIs, SQL, Git, Spring/Spring Boot, containerization (Docker,ECS,Kubernetes), Bachelor’s degree, US citizenship required.
Amazon Web Services (AWS), AWS Lamda, Relational Database Service (RDS), Lake Formation, AWS ECS, Docker, Kubernetes, Java, Python, C#, Angular, React, Enterprise SQL, Git, GitHub, Spring Framework, Spring Boot, RESTful APIs, JIRA
1w
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Full Stack Developer (.NET API) - Senior Software Engineer
Stamford, Connecticut, United States
OnsiteFull Time
Information Services Group
Information Services GroupNASDAQ: III: Provides technology research and advisory services for digital transformation.
6+ YOEBachelor's in computer science or related field, 6+ years full-stack experience with .NET Core API, Angular and SQL Server, strong C#/Web API and front-end (HTML/CSS/JavaScript) skills, REST API experience, communication and leadership abilities.
Angular, .NET Core, SQL Server, C#, Web API, HTML, CSS, JavaScript, Microsoft Azure, Git
2w
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Liquid Financing Senior Full Stack Software Engineer
Whippany, New Jersey, United States
$120k-$175k/yr OnsiteFull Time
Barclays
BarclaysLondon Stock Exchange: BARC: Global bank providing retail, corporate, and investment financial services.
Extensive full-stack Java/J2EE experience, Spring and JBoss, messaging (JMS/EMS/MQ), Microsoft SQL Server, front-end frameworks, secure coding, and Agile practices.
Java/J2EE, JavaScript, EJB, JDBC, JPA, Servlets, JSP, Struts, HTML, CSS, SQL Server, Spring Framework, JBoss, GridGain, JMS, EMS, MQ, XML, Ext JS, AngularJS, TreeGrid, Spring MVC, Spring Integration, JBoss Drools, Quartz Scheduler, Microsoft SQL Server, Maven, GitLab, DUO
2mo
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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
2mo
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Full-Stack Cloud Engineer
New York City or Dallas or Tampa or Chicago or Philadelphia or Florham Park
$77k-$202k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
2+ YOEBachelor's degree, at least 2 years' experience, expertise in cloud CI/CD and container workflows, JavaScript/TypeScript/Node.js/React Native/Next.js, API and microservices design, GitOps, and production deployment of LLM/AI APIs.
JavaScript (JS), React Native, TypeScript, Node.js, Next.js, AWS, Azure, GCP, GitOps, CI/CD, LLM
1mo
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Senior Full-Stack Software Developer – Finance & ERP Integration
Mahwah, New Jersey, United States
$135k-$160k/yr OnsiteFull Time
Chefman
Chefman: Designs and manufactures innovative small kitchen appliances.
7+ YOE7+ years full-stack development with finance/ERP experience; strong ASP.NET/.NET Core, C#, SQL, Entity Framework, Angular, NGRX, SignalR, RESTful APIs, and Git; experience integrating with QuickBooks/NetSuite/SAP and understanding financial workflows.
SAYDAR, ASP.NET, .NET Core, C#, SQL, Entity Framework, QuickBooks, NetSuite, SAP, Angular, NGRX, SignalR, RESTful APIs, Git, Microsoft Dynamics
2w
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Full-Stack Software Engineer Internship (Summer 2027)
Stamford or Houston
OnsiteInternship, Full Time
Castleton Commodities International
Castleton Commodities International: Invests in and manages global energy and commodity assets.
Currently pursuing a BS/MS in CS/Engineering/MIS or related, strong Python skills (Pandas, NumPy), familiarity with Git, cloud (AWS), Kubernetes, Kafka, Snowflake, DevOps tools and data visualization (Streamlit).
Python, Pandas, NumPy, AWS, Snowflake, Kubernetes, Kafka, Git, Docker, Helm, CI/CD, Streamlit
1d
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Full Stack Java React Software Engineer III
Jersey City, New Jersey, United States
$133k-$185k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
3+ YOERequires 3+ years of software engineering experience, Java and Spring/Spring Boot proficiency, React experience, system design, application development, testing, databases, SDLC, agile methods, and secure AI-assisted development.
Java, Spring, Spring Boot, React, CI/CD, AI-assisted software development tools
1mo
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Senior Full Stack Developer – Java, Spring Boot & Angular (Hybrid)
Lake Mary or Pittsburgh or New City
$68k-$132k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
7+ YOE7+ years Java development experience with Spring Boot, microservices, Docker, Kafka/MQ, Git; experience with Angular, cloud-native architectures, testing frameworks, and Agile practices.
Java, Spring Boot, Docker, Kafka, MQ, Git, Angular, RxJS, Kubernetes, JUnit, Mockito
1mo
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Senior JAVA Full Stack Software Engineer
Whippany, New Jersey, United States
$130k-$150k/yr HybridFull Time
MetLife
MetLifeNYSE: MET: Global provider of insurance, annuities, and financial services.
7+ YOEBachelor's or equivalent, 7+ years software development experience with Java, Python, Angular, .NET, and cloud (Azure/AWS); database, OOP, API, DevOps, and AI-assisted development experience required.
Java, Python, Angular, Microsoft Azure, Microsoft .NET, AWS, Numerix, Murex, Calypso, Copilot