68 api engineer jobs at 43 companies in Riverhead, NY
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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
1mo
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Agentic Solutions Engineer
Shelton, Connecticut, United States
HybridFull Time
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
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Sr. Engineer, Salesforce
Stamford, Connecticut, United States
$95k-$125k/yr RemoteFull Time
5+ YOEBachelor's in IT/CS/Engineering,5+ years Salesforce experience,experience with Data Cloud/Sales/Service/Marketing Clouds,Flow,Apex,LWC,APIs,integration and Agile experience;ability to travel;US residency required.
Flows, Apex, Lightning Web Components, Data Cloud, Sales Cloud, Service Cloud, Marketing Cloud, APIs, Agile/Scrum
3mo
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AI Validation Engineer, Macro Technology
New York or Stamford
$140k-$200k/yr OnsiteFull Time
8+ YOE8+ years in trading tech, QA, validation, or software delivery; strong SQL/data analysis; Playwright or similar automation; AI tooling in delivery lifecycle; excellent communication; ethical standards.
Playwright, SQL, APIs, Logs
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Engineer
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
2+ YOE2–5 years software engineering experience; proficiency with JavaScript, Node.js, ReactJS, and React Native; knowledge of REST APIs, databases, OOP, and version control; strong problem-solving and collaboration skills; bachelor's degree or equivalent.
JavaScript, Node.js, ReactJS, React Native, REST APIs, CI/CD
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Software Engineer
Westbury, New York, United States
$120k-$135k/yr OnsiteFull Time
5+ YOE5+ years .NET and database experience, Bachelor's in Computer Science or equivalent, strong C#, SQL/Oracle, Web API, front-end scripting, Visual Studio, version control, and communication skills.
Microsoft .Net C#, Microsoft .Net framework, Microsoft .Net Core, WPF, Winforms, Webforms, MVC, Web API, LINQ, ADO.Net, Azure, Java Script, JQuery, Visual Studio, SQL Server, SSMS, SSRS, SSIS, Oracle, SQL Developer, ETL, PVCS, Subversion, TFS, Cobol, EDI
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Senior Financial Data & Analytics Engineer
Stony Brook, New York, United States
$110k-$120k/yr OnsiteFull Time
5+ YOEBachelor's in related field,5+ years in data/data engineering or financial analytics in healthcare or enterprise,experience with SQL,data warehouse design,ETL/ELT,API integration,Tableau,and healthcare financial metrics.
SQL, PeopleSoft, Tableau, Snowflake, Databricks, Azure, AWS, Python, R, Power BI, Excel, API
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Senior Sales Engineer - Enterprise
Boston or Charlotte or Hartford or New Haven or New York or Raleigh or United States
$194k-$291k/yr HybridFull Time
5+ YOE5+ years in software pre-sales, hands-on SQL and technical skills (Python, APIs, R), track record closing enterprise deals, strong communication and business acumen.
Python, SQL, APIs, R, Google Analytics 4, Adobe Analytics, Mixpanel, Tableau, Looker, Power BI
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VP, Staff Cryptography Engineer
Alpharetta or Orlando or Chicago or Costa Mesa or Orlando or New York City or New York City or Charlotte or Stamford or Alpharetta or West Chester
$135k-$230k/yr HybridFull Time
5+ YOE3+ MgmtBachelor's or equivalent with 5+ years experience; 3+ years in cloud, cryptography, and DevSecOps; experience with PKI, key/secrets management, API security, and regulatory frameworks; strong communication and leadership skills.
API, AWS Certificate Manager, KMS, Private CA, Secrets Manager, Azure Key Vault, Cloudera, Cloudbees/Jenkins, CI/CD, GCP Cloud KMS, GCP Secret Manager, Git/Github, Go, HashiCorp Vault, Java, Linux, Perl, PKI, Python, Terraform
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Sr. IAM Engineer
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
7+ YOE7+ years in IAM or security engineering, deep Okta, OAuth, OIDC, SAML, SCIM, Active Directory, Entra ID, API security, scripting, CI/CD, and HRIS identity automation expertise; bachelor's degree or equivalent.
Okta, Universal Directory, Okta Workflows, SAML 2.0, OIDC, WS-Federation, SCIM 2.0, Microsoft Entra ID, Active Directory, Microsoft 365, ServiceNow, Jamf, AWS IAM Identity Center, Ceridian Dayforce, CrowdStrike Falcon Next-Gen SIEM, CrowdStrike Falcon Identity Protection, PowerShell, Python, bash, Git, Terraform, Azure Pipelines, GitHub Actions, SailPoint, Saviynt, Omada, NIST SP 800-63, NIST SP 800-207, OAuth 2.0, PKCE, OWASP API Security Top 10, Intune
1mo
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Middle Office Software Developer
Norwalk or Rowayton
$115k-$200k/yr OnsiteFull Time
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
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr OnsiteFull Time
5+ YOEBachelor's + 7+ years software engineering or advanced degree + 5+ years; experience designing, developing, testing and deploying scalable, reliable software for manufacturing; leadership, mentoring, and cross-functional collaboration.
Ignition, deviseWISE, Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, Test-Driven Development, Agile & Scrum, CI/CD Pipelines, RESTful API Design, Java, C++, NET, Scala, Lua, Python, SQL
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Senior Data Engineer
Mesa or Endicott or Wallingford or China or Turkey
$100k-$130k/yr OnsiteFull Time
6+ YOEBachelor’s degree in a related field and 6+ years of data engineering experience. Requires advanced Microsoft SQL Server, T-SQL, ETL/ELT, data modeling, reporting, and analytics expertise.
Microsoft SQL Server, T-SQL, Power BI, SQL Server Reporting Services, Microsoft SharePoint, ERP, APIs
1d
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Senior Data Engineer
Mesa or Endicott or Wallingford or China or Turkey
$100k-$130k/yr OnsiteFull Time
6+ YOEBachelor's degree in a related field and 6+ years of data engineering experience. Requires production ETL/ELT pipelines, SQL Server, data modeling, reporting, analytics, and data quality expertise.
Microsoft SQL Server, T-SQL, Power BI, SQL Server Reporting Services, SharePoint, ERP, APIs
1mo
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AI Security Engineer
Norwalk or Phoenix
$134k-$171k/yr RemoteFull Time
7+ YOE7+ years in cybersecurity/security engineering, 3+ years securing cloud platforms/APIs/CI/CD, working knowledge of AI/ML, security monitoring and incident response, preferred CISSP/CCSP/GIAC, strong communication skills.
DLP, RAG, CI/CD, IAM
1d
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Senior Data Engineer
Mesa or Endicott or Wallingford or China or Turkey
$100k-$130k/yr OnsiteFull Time
6+ YOEBachelor’s degree in a related field and 6+ years of data engineering experience. Requires production ETL/ELT pipelines, SQL Server, data modeling, reporting, analytics, and complex data integration expertise.
Microsoft SQL Server, T-SQL, Power BI, SQL Server Reporting Services, Microsoft SharePoint, ERP, APIs
1d
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Product Support & Implementation Engineer-Hybrid Role
Greenwich, Connecticut, United States
$95k/yr HybridFull Time
3+ YOERequires 3+ years of Level 2+ API/SDK technical support, integration experience, RESTful APIs, webhooks, authentication, Postman, ReadMe.io, and strong communication. Bachelor's degree in computer science or related field preferred.
Payarc API, Payarc SDK Suite, Node.js, PHP, Python, TypeScript, C#, Payarc Gateway, Payarc Connect, Merchant Dashboard, Postman, ReadMe.io, Payarc Knowledge Hub, JIRA, Confluence, RESTful APIs, APIs, SDKs, webhooks, PCI DSS, PAX
1mo
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr HybridFull Time
5+ YOEBachelor’s degree + 7+ years software engineering or advanced degree + 5+ years; experience designing and developing scalable systems for manufacturing operations; mentoring, requirements capture, database architecture, CI/CD, and cross-functional collaboration; ability to travel 25%.
Ignition, deviseWISE, Microsoft Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, CI/CD Pipelines, RESTful API Design, Java, C++, .NET, Scala, Lua, Python, SQL
2mo
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Software Engineer
New York City or Old Greenwich
OnsiteFull Time
0+ YOEStrong programming skills, SQL, and knowledge of one or more of C#, JavaScript, or TypeScript; Python helpful; experience with APIs, CI/CD, and AI tooling; strong problem-solving and ownership.
SQL, C#, JavaScript, TypeScript, Python, React, Angular, CI/CD
3d
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AI Data Engineer | Information Technology
Denver or Stamford or New York City or London
OnsiteFull Time
5+ YOEBachelor’s degree in a technical or related field and 5+ years in data engineering, architecture, or related roles; requires Snowflake, SQL, dbt, pipeline, API, and AI/ML data infrastructure experience.
Snowflake, Juniper Square, Maybern, Workiva, Sigma, Claude, ChatGPT, Box, Snowflake Cortex Search, MCP, Python, SQL, dbt, Fivetran, Pinecone, Weaviate, Power BI, SFTP, REST APIs
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