201 api developer jobs at 121 companies in Brewster, NY
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Full Stack Developer (.NET API) - Senior Software Engineer
Stamford, Connecticut, United States
OnsiteFull Time
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
Charter CommunicationsNASDAQ: CHTR: A leading broadband connectivity and telecommunications services provider.
10+ YOE3+ MgmtBachelor's degree or equivalent,10+ years in technical program delivery or API platforms,9+ years partner enablement,API strategy and integrations,leadership in launch planning and stakeholder alignment,strong API and developer experience skills.
Technical Lead – API and Integration Development (Hybrid or Remote - Raleigh, NC)
Canton or Boston or Farmington or Raleigh
$124k-$164k/yrHybridFull Time
Intact Insurance Specialty SolutionsToronto Stock Exchange: IFC: Provides specialized property and casualty insurance and risk services.
9+ YOE2+ MgmtBachelor's/Master's in CS or related, 9+ years Java development (Spring Boot), 2+ years technical leadership, experience with Azure, Kafka/Messaging, Terraform, Docker/Kubernetes, OpenAPI; strong security and communication skills.
Java, Spring Boot, Auth0, Microsoft Azure, Azure Service Bus, Event Hub, Kafka, MQ, Terraform, Docker, Kubernetes, OpenAPI, Swagger
CitiNYSE: C: Global diversified financial services holding.
8+ YOE8+ years Java experience, Spring and REST API development, SQL/NoSQL/Big Data, containerization, CI/CD, monitoring, cloud architecture, security, and leadership/mentorship skills.
Graham Capital Management: Manages alternative investment funds using quantitative and discretionary macro strategies.
5+ YOEBachelor's in computer science, 5+ years software development in financial services, experience with C#, Windows and web frameworks, SQL Server, messaging/SOA/APIs, Agile and unit/integration testing.
C#, Windows Forms, WPF, ASP.NET MVC, Angular, JavaScript, Web API, SQL Server, MOM, SOA, APIs, Agile, Coding agents and AI-assisted development tools
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
10+ YOELead Android Developer Experience; 10+ years with Bachelor's or 7+ years with Advanced Degree; Android platform expertise; API/SDK design; Java and Kotlin proficiency.
Metropolitan Transportation Authority: Operates public transportation systems in the New York region.
1+ YOEExperience with C++, Node.js, PHP, JavaScript, HTML, relational databases, Web API development in Linux; bachelor’s degree or 1–5+ years software development experience depending on level; ability to handle production issues outside normal hours.
C++, Node.js, PHP, JavaScript, HTML, relational databases, Web API, Linux, Windows
NewmarkNASDAQ: NMRK: Commercial real estate brokerage and property management services.
2+ YOEBachelor's in CS/IT or related plus 2 years developer experience in financial services; experience with Java, Spring Boot, Django, React, Python, SQL, HTML5/CSS3, AWS S3, Jenkins, Git, CI/CD, REST APIs and microservices.
Java, Spring Boot, Django, React, JavaScript, Python, SQL, HTML5, CSS3, Freemarker, Selenium, Cron Jobs, Spring Scheduler, Keycloak IAM, LDAP, Role Based Access Control (RBAC), Single Sign-On (SSO), Redis, Guava Cache, Parallel Processing, Spring Performance Libraries, REST APIs, Microservices, Data Lineage, Data Governance, AWS S3, Jenkins, Git, CI/CD, Agile, Scrum, Unit Testing, QA Automation, Automation, System Design, Performance Optimization, Enterprise Integration, Reporting Pipelines, Stress-testing workflows, Legacy System Migration, Process Optimization, FIX
American ExpressNYSE: AXP: Global financial services and credit card payment network.
10+ YOE10+ years building and operating large-scale distributed systems, ownership of third-party/SaaS integrations, API design, resilience, data quality, security, and cross-team influence.
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
5+ YOE5+ years commercial SPA development experience; degree in CS or related; strong JavaScript/HTML/CSS skills; experience with Vue/React/Angular, TypeScript, webpack/Vite, API integration, and AI/agentic development tools.
Vue 3, TypeScript, VueJs, Vuex, Pinia, Vite, Cypress, webpack, React.js, Angular.js, Claude Code, JavaScript, HTML, CSS, LESS
ZS: Global management consulting and technology firm for healthcare and life sciences.
3+ YOEBachelor’s or Master’s in CS/EE/math or related; 3-5 years software product development; full-stack SaaS experience; strong APIs, SOA/REST; English fluency.
City of New York: Provides municipal services and administration for New York City.
5+ YOE5+ years .NET development experience with C#, web/client-server development, Microsoft Azure services, Oracle or Microsoft SQL Server, SDLC (Agile/Waterfall), and production support; bachelor’s degree preferred or equivalent experience.
Oracle, Microsoft SQL Server, C#, .NET, .NET (4.5), .NET (4.7), .NET (4.8), .NET Core, MVC, ADO.NET, Web Services, Web APIs, HTML5, CSS, JavaScript, jQuery, Bootstrap, WPF, MVVM, XAML, PHP, ASP, Python, Telerik UI, Node.js, React, Azure App Service, Azure Functions, Azure WebJobs, Azure Logic Apps, Azure Blob Storage, Microsoft Azure DevOps, Microsoft Active Directory, Microsoft SharePoint, Microsoft identity platform
KPMG: Global professional services network providing audit, tax, and advisory.
3+ YOE3+ years software development experience; strong Python, C# or .NET, Angular and SQL skills; experience with microservices, REST APIs, authentication, and Azure; ML framework experience preferred.
Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL Database, Azure OpenAI, Angular, TypeScript, Python, .NET Framework, C#, SQL, PyTorch, TensorFlow, scikit-learn, DevOps
Novig: Operates a commission-free peer-to-peer sports betting exchange.
Provide high-touch technical support for trading partners and API integrators, write and ship code, diagnose integrations, and design scalable partner workflows.
Subway: Operates a global chain of franchised quick-service sandwich restaurants.
5+ YOEBachelor's or equivalent experience, 5+ years production software development, strong with Node.js/TypeScript/Java/C#, serverless AWS (Lambda, API Gateway, DynamoDB, SQS/SNS), REST/GraphQL APIs, CI/CD and Git workflows, Terraform/IaC, and daily use of AI-assisted development tools (GitHub Copilot, Claude).
The Fund for Public Health in New York City: Incubates and manages public health programs for New York City.
3+ YOEFull stack development experience; DOT.NET C# with Visual Studio; SQL Server/SSIS; RESTful API; HL7/FHIR data exchange; health data systems; strong communication; independent and collaborative work style.
.NET C#, Visual Studio, SQL Server, SSIS, Stored Procedures, RESTful API, HL7, FHIR, Python, Microsoft Office Suite
GXO LogisticsNYSE: GXO: Provides global contract logistics and supply chain management services.
Bachelor's degree or equivalent experience; enterprise technology and generative AI experience; Python, LLMs, orchestration frameworks, GCP, API integration, SDLC, Agile, and secure scalable application development.
Large Language Models (LLMs), ADK, LangChain, Google Cloud Platform, Vertex AI, Cloud Run, BigQuery, Python, Retrieval-Augmented Generation (RAG)