36 api developer jobs at 25 companies in Wallkill, NY
1w
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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
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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
4d
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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
1d
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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
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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
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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
1mo
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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
3mo
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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
1w
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Sr. Automation Test Engineer
Wilton, Connecticut, United States
HybridFull Time
9+ YOERequires 9 years testing/development experience, bachelor\u0002s in CS/Electronics or related, proficiency in Python/Java/JavaScript/SQL, UI and REST API automation, TestNG/JUnit/NUnit, Selenium/WebDriver, Git, TestRail, Agile/DevOps/CI-CD experience, Salesforce Admin cert.
Python, Java, JavaScript, SQL, TestNG, JUnit, NUnit, GIT, Selenium, WebDriver, TestRail
1mo
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Senior Full-Stack Software Developer – Finance & ERP Integration
Mahwah, New Jersey, United States
$135k-$160k/yr OnsiteFull Time
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
1mo
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Test Automation Engineer(Web)
Alexandria or Aberdeen or Picatinny
HybridFull Time
3+ YOE3+ years test automation experience building automated test suites for web apps and APIs; experience with Selenium/Cypress, CI/CD, Docker/Kubernetes; programming in Java or JavaScript; secret clearance required.
Selenium, Cypress, TestNG, GitLab, JIRA, Docker, Kubernetes, Java, JavaScript, Cucumber, Gherkin, Git, Postman, REST Assured, SoapUI, Maven, Gradle, NPM, JMeter, SQL
2w
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Sales Engineer – AI & Agentic Sales Systems
Goshen, New York, United States
HybridFull Time
5+ YOE5+ years building enterprise software/AI solutions; experience designing agentic AI systems, CRM automation (HubSpot/Salesforce), API integrations, cloud (AWS) and analytics; BS in CS/Engineering/Data/AI preferred.
OpenAI, Anthropic Claude, Google Gemini, HubSpot CRM, Salesforce, Microsoft Dynamics, Zoho CRM, AWS, Serverless, API Gateway, Python, JavaScript, TypeScript, SQL, REST APIs, Git, CI/CD, Retrieval-Augmented Generation (RAG), vector databases, semantic search
3w
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AI Engineer and Project Lead
White Plains, New York, United States
$200k-$250k/yr OnsiteFull Time
4+ YOE4+ years software engineering/AI systems experience, Bachelor's in Computer Science/Engineering, strong Python skills, model training/fine-tuning and production deployment experience, familiarity with LLM frameworks and agentic systems.
Python, LoRA, EHR, APIs
1mo
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SENIOR SOFTWARE ENGINEER - Payroll & AI
South Dakota or California or Colorado or Connecticut or Rhode Island or Nevada or New York City or Ithaca or Westchester County or Washington
$120k-$145k/yr RemoteFull Time
3+ YOEBachelor's degree or equivalent, minimum 3 years relevant experience, legal authorization to work in the US, experience with payroll/HCM platforms, AI/automation, front-end tech, Java, databases, CI/CD, testing, and collaboration skills.
Workday Payroll, AI, HTML, CSS, JavaScript, TypeScript, Java, NoSQL, APIs, CI/CD
2mo
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Risk, Compliance, and Legal Engineering - Analyst/Associate
Greenwich, Connecticut, United States
$125k-$155k/yr OnsiteFull Time
2+ YOEBS in CS/Engineering or related; 2+ years programming experience (Python, SQL, JavaScript, and/or .NET); experience with APIs, web app development, cloud, data visualization (Tableau), and strong analytical and communication skills.
Python, SQL, JavaScript, .NET, Angular, CSS, Tableau, AWS, RESTful services, microservices, APIs
2mo
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ERP Data Engineer (White Plains, US)
White Plains, New York, United States
$102k-$128k/yr OnsiteFull Time
2+ YOE2+ years data engineering; SAP SAC integration; data pipelines; cloud; scripting; API/microservices.
SAP SAC, SAP Datasphere, BDC, BTP, APIs, Microservices, SQL, Athena, DevOps, Cloud, Data integration, ETL/ELT, CI/CD, GenAI
1w
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QA Engineer
White Plains, New York, United States
$90k-$115k/yr OnsiteFull Time
2+ YOE2–4 years QA automation experience with UI and API testing, proficiency with Playwright and JS/TypeScript, Git and CI/CD, strong communication and QA methodology knowledge.
Playwright, JavaScript, TypeScript, Git, GitHub Actions, GitHub Copilot, Cursor, Claude, K6, AWS
2mo
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Process Development Engineer I - Synthetic and Bioconjugation Scale-Up Technologies (SBST)
Tarrytown, New York, United States
$80k-$131k/yr OnsiteFull Time
4+ YOEBachelor’s +4 years or Master’s +0-3 years in API process development; experience with small molecules and bioconjugates preferred.
Mass spectrometry, NMR, IR spectroscopy, HPLC, Crystallization, Chromatography, Purification
1mo
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Development Engineer Software
Danbury, Connecticut, United States
$105k-$120k/yr OnsiteFull Time
5+ YOEBSc/MSc in CS/EE or related,5+ years leading embedded software projects,experience with RTOS,Matlab/Simulink,Redfish REST API and data center protocols,knowledge of OCP security standards.
RTOS, Matlab, Simulink, Redfish REST API, Open Compute Project (OCP)
3w
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Java Technical Lead
White Plains, New York, United States
$90k-$100k/yr OnsiteFull Time
10+ YOE10+ years Java experience with Spring Boot, microservices, REST APIs, MySql, AWS log analysis, CI/CD familiarity, production support, and experience leading offshore teams.
AWS, Spring Boot, API Microservices, Core JAVA, MySql, CloudWatch, CI/CD
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