129 api engineer jobs at 89 companies in Patchogue, 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
4d
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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
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
1mo
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Gen AI Infrastructure Engineer
Woodbridge or New York City or Atlanta or Boston or Chicago or Dallas or Delaware or Denver or Garden City or Cayman Islands or Greenwich or Houston or Los Angeles or Miami or Naples or Nevada or Palm Beach or San Diego or San Francisco or Seattle or Stuart or Washington
$160k-$200k/yr HybridFull Time
7+ YOE7+ years in DevOps/platform/cloud infrastructure engineering; strong AWS (IAM, CloudFormation, Lambda, API Gateway, VPC, CloudWatch, SSM, Secrets Manager, ECR); AWS CDK/CloudFormation/Terraform; CI/CD (Bitbucket/GitHub Actions, OIDC); container and datastore operations; security fundamentals.
AWS Bedrock, AgentCore, Lambda, API Gateway, AWS CDK, CloudFormation, Terraform, Bitbucket Pipelines, GitHub Actions, OIDC, IAM, VPC, CloudWatch, SSM, Secrets Manager, ECR, Neo4j, Neptune, Redis, Milvus, VectorDB
1d
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GTM Engineer
United States or Canada or Brooklyn
RemoteFull Time
2+ YOERequires 2–5 years of software engineering experience, AI tools and LLM/agent development, modern GTM stack experience, API integrations, production systems experience, and strong communication and product judgment.
Claude Code, Cursor, Codex, RAG, Clay, HubSpot, Salesforce, Apollo, Cargo, Gong, Outreach, Instantly, APIs, webhooks, LLMs
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)
1mo
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AI Solutions Engineer
New York City, New York, United States
$120k-$140k/yr OnsiteFull Time
4+ YOEBachelor's degree or equivalent, 4+ years related experience; hands-on experience with programming, APIs, data engineering, LLMs, prompt engineering, and enterprise AI solutions; strong communication and documentation skills.
Python, JavaScript, TypeScript, PHP, APIs, CI/CD
1w
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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
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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Staff Full Stack Engineer
Santa Monica or Brooklyn or New York City or United States
$190k-$220k/yr HybridFull Time
Senior full-stack engineer with strong backend/API skills, product instincts, AI tool fluency, and experience building data-heavy services and integrations.
APIs, Python, FastAPI, React, TypeScript, React Router, Remix, PostgreSQL, SQLAlchemy, GCP
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
1mo
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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
1w
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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
3d
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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
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
3w
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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
3w
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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
3w
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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
3w
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Software Engineer I
Grand Rapids or Uniondale or Austin or Atlanta
$100k-$150k/yr HybridFull Time
1+ YOE1+ year software engineering experience; strong skills in Python or JavaScript/TypeScript; familiarity with APIs, integrations, automated testing, debugging; comfortable with AI-assisted development (Claude Code preferred); onsite collaboration required.
Python, JavaScript, TypeScript, Claude Code
1d
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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
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