93 api developer jobs at 56 companies in Montgomery, NY
1w
Save
Mark Applied
Hide
Full Stack Developer (.NET API) - Senior Software Engineer
Stamford, Connecticut, United States
OnsiteFull Time
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
1w
Save
Mark Applied
Hide
Director, eCommerce Syndicated API Platforms
Stamford or St. Louis or Greenwood Village
HybridFull Time
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.
REST APIs, API gateway, cloud-based platforms
2w
Save
Mark Applied
Hide
Senior QA Automation Engineer – API Automation & Performance Testing
Parsippany, New Jersey, United States
$53k-$93k/yr HybridFull Time
Strong QA automation experience with API and performance testing using Postman, REST Assured, JMeter/K6; Java and JSON proficiency; Azure DevOps experience; SAFe Agile experience; strong communication and analytical skills.
Postman, REST Assured, JSON, REST APIs, Microsoft Azure DevOps, JMeter, K6, Java, Ready API, SOAP UI, Playwright, Selenium, Grafana, Dynatrace
4w
Save
Mark Applied
Hide
Senior QA Automation Engineer – API Automation & Performance Testing
Parsippany, New Jersey, United States
$53k-$93k/yr HybridFull Time
Design and implement API automation and performance test strategies; experience with API testing, performance testing, test frameworks, Azure DevOps, Java, and mentoring peers.
Postman, REST Assured, JSON, Azure DevOps, JMeter, K6, Java, Ready API, SOAP UI, Playwright, Selenium, Grafana, Dynatrace
2w
Save
Mark Applied
Hide
AVP Senior Java Developer
Rutherford, New Jersey, United States
$121k-$182k/yr HybridFull Time
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.
Java, Spring, REST API, SQL, NoSQL, Big Data, Co-pilot, DEVIN, Python, Docker, Kubernetes, Jenkins, GitLab CI, CircleCI, Azure DevOps, Prometheus, Grafana, ELK stack (Elasticsearch, Logstash, Kibana), Splunk, AWS, Azure, Google Cloud Platform (GCP)
4d
Save
Mark Applied
Hide
Staff Software Engineer - SaaS integrations,API Designs - Travel & Lifestyle Services
Phoenix or New York City
$144k-$256k/yr OnsiteFull Time
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.
AWS
1w
Save
Mark Applied
Hide
Senior Frontend Developer
Greenwich, Connecticut, United States
HybridFull Time
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
3mo
Save
Mark Applied
Hide
Sr. Engineer Development
Montvale, New Jersey, United States
HybridFull Time
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
1mo
Save
Mark Applied
Hide
Java Developer
Whippany, New Jersey, United States
$190k-$195k/yr OnsiteFull Time
Design, develop, test, and maintain scalable Java-based enterprise applications; collaborate cross-functionally; follow secure coding and unit/integration testing practices.
Java, APIs
3d
Save
Mark Applied
Hide
Senior AI Engineer
Greenwich, Connecticut, United States
OnsiteFull Time
Bachelor's degree or equivalent experience; enterprise technology integration, LLMs, generative AI, Python, GCP, APIs, SDLC, Agile, and secure production AI application experience required.
Large Language Models (LLMs), ADK, LangChain, Google Cloud Platform (GCP), Python, Vertex AI, Cloud Run, BigQuery, Retrieval-Augmented Generation (RAG), HRIS, CRM, ERP, APIs, SDLC, Agile
1mo
Save
Mark Applied
Hide
Software Engineer
New York City or Englewood Cliffs
$120k-$150k/yr HybridFull Time
3+ YOE3+ years software development; backend (Java, Node.js, Python, Go), frontend (JavaScript/TypeScript, React/Vue/Angular), microservices and REST APIs, cloud (AWS/Azure), Git and CI/CD experience.
Java, Node.js, Python, Go, JavaScript, TypeScript, HTML, CSS, React, Vue, Angular, AWS, Azure, Git, GitHub Actions, Jenkins, Terraform, CloudFormation, Datadog, Prometheus, ELK
3d
Save
Mark Applied
Hide
Senior AI Engineer
Greenwich, Connecticut, United States
OnsiteFull Time
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)
1d
Save
Mark Applied
Hide
Lead Applications Developer - Regeneron Genetics Center
Tarrytown, New York, United States
$110k-$179k/yr HybridFull Time
4+ YOEBachelor's degree or higher and 4+ years of relevant IT experience building cloud-native applications; requires Python, TypeScript, REST APIs, AWS, databases, ETL, Docker, and AI tooling experience.
Python, TypeScript, REST API, Claude Code, GitHub Copilot, PostgreSQL, MySQL, Amazon Redshift, Snowflake, Docker, AWS
3w
Save
Mark Applied
Hide
Business Process Analyst, UiPath Developer - Associate/ Assistant Vice President
Greenwich or New York City
$100k-$150k/yr HybridFull Time
3+ YOEBachelor's degree and 3+ years in business process analysis or RPA development with UiPath, REFramework, SQL, API integrations, Python or .NET, enterprise platform exposure, and strong communication skills.
UiPath Studio, UiPath Orchestrator, UiPath Assistant, REFramework, SAP, Salesforce, ServiceNow, SQL, Excel, API, Python, VB.NET, C#, Git, Docker, JIRA, Confluence, REST, SOAP, Postman, Microsoft Power Platform, UiPath Process Mining, Celonis, AWS
1mo
Save
Mark Applied
Hide
Sr Software Development Engineer
Houston or Greenwich
$93k-$232k/yr HybridFull Time
10+ YOE10+ years software development experience; proficiency in .NET and/or Java; cloud (AWS/Azure) experience; hands-on coding, API and database design, CI/CD and Git; healthcare claims or analytics domain experience preferred.
.NET, Java, AWS, Azure, FHIR, HL7, CI/CD, Git
3d
Save
Mark Applied
Hide
Senior .NET Engineer (Azure/ Kubernetes)
Cary or Whippany or New York City or Greenville or Bridgewater
$110k-$138k/yr HybridFull Time
5+ YOERequires 5+ years in enterprise software development and Azure or comparable cloud infrastructure, with .NET, C#, REST APIs, Docker, AKS, Istio, distributed systems, and troubleshooting expertise.
.NET, C#, REST APIs, Azure, Azure Kubernetes Service (AKS), Azure Service Bus, Azure Monitor, Application Insights, Docker, Istio, Terraform, Bicep, ARM templates, Azure API Management (APIM), Azure Key Vault, Prometheus, Grafana, OpenTelemetry, Claude AI, Copilot Studio, MCP servers
1mo
Save
Mark Applied
Hide
Sr Software Development Engineer
Houston or Greenwich
$93k-$232k/yr HybridFull Time
10+ YOE10+ years software development experience; hands-on coding in .NET and/or Java; cloud (AWS/Azure); claims adjudication or healthcare payments experience; API, FHIR/HL7, CI/CD and Git; database design and performance tuning; microservices and cloud-native architectures.
.NET, Java, AWS, Azure, FHIR, HL7, CI/CD, Git
1d
Save
Mark Applied
Hide
Software Engineer II-Hybrid Role
Greenwich, Connecticut, United States
HybridFull Time
2+ YOERequires 2–4 years of software development experience, a bachelor's degree or equivalent, proficiency in a core language/framework, RESTful APIs, relational databases, Git/GitHub, and strong analytical skills.
PHP, Laravel, Nova, Apiato, Java, C#, Python, Go, C++, JavaScript, React, Angular, jQuery, HTML5, CSS3, LESS, SASS, Material Design, Kotlin, Swift, Objective-C, React Native, Flutter, Retrofit, OkHttp, Firebase, MySQL, Oracle, Firebird, Amazon Web Services (AWS), Git, GitHub, Docker, Kubernetes, TensorFlow, PyTorch, scikit-learn, JIRA, Confluence, Crashlytics, New Relic, Azure, GCP, TDES, DUKPT, PAX, AMP, Magtek
3mo
Save
Mark Applied
Hide
AVP/Senior Automation Developer
Fairfield, New Jersey, United States
$90k-$125k/yr OnsiteFull Time
3+ YOE3+ years in development/automation; Bachelor's degree in CS or equivalent; experience with Power Platform, RPA, APIs; AI exposure preferred; compliant with SDLC and documentation.
Power Platform, RPA, APIs, GitHub, AI enablement
2w
Save
Mark Applied
Hide
UI Engineer
Parsippany, New Jersey, United States
$100k-$130k/yr OnsiteFull Time
8+ YOE8+ years experience building frontend applications with TypeScript, React, Next.js; experience with BFF/API patterns, NestJS, monorepos (pnpm), Vite, Storybook, MUI, and AEM.
TypeScript, React, Next.js, NestJS, pnpm, Vite, Storybook, Material UI (MUI), Adobe Experience Manager (AEM), Kafka, Redis, AWS
Explore Jobs