80 api engineer jobs at 52 companies in Walden, 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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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
3w
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AI Orchestration Engineer
Quincy or Berwyn or Princeton or Clifton
$90k-$158k/yr OnsiteFull Time
3+ YOEBachelor's degree and 3+ years in data/AI engineering or related fields; experience with Python, SQL, large-scale data pipelines, RAG, MLOps/LLMOps, and AI governance in regulated environments.
Python, SQL, LangGraph, Semantic Kernel, CrewAI, AutoGen, LangChain, Databricks, Snowflake, Spark, Kafka, Delta Lake, Iceberg, Airflow, APIs, MLOps, LLMOps, RAG
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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)
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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
2mo
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Lead AI Platform Engineer
New York or Fairfield or New Jersey or California
$175k-$200k/yr OnsiteFull Time
7+ YOE7+ years building production backend or full-stack systems, 2+ years building LLM-backed systems, deep AWS experience (Bedrock preferred), TypeScript/Node or Python proficiency, agent framework experience, API design and platform ownership, strong communication and mentorship skills.
Vercel AI SDK, AWS Bedrock, AgentCore, AWS Lambda, ECS, App Runner, RDS, Cognito, TypeScript, Node, Next.js, Python, PostgreSQL, MCP, Salesforce, Snowflake, Bitbucket, Kiro, Claude Code
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
2w
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Associate, Software Engineer
Denver or Orlando or Atlanta or Montvale
OnsiteFull Time
1+ YOE1+ year software or data engineering experience; bachelor’s in CS/engineering/IT; proficiency in Python, C#, or JavaScript; SQL/NoSQL and API experience; familiarity with Microsoft Fabric and Azure; CI/CD and Git experience.
Python, C#, JavaScript, SQL, NoSQL, Microsoft Fabric, Data Factory, Synapse, Microsoft Azure, CI/CD, Git
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
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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Transactional Systems Engineer
Lakewood or United States or Georgia or Englewood Cliffs or Long Beach
$140k-$160k/yr HybridFull Time
5+ YOE5+ years supporting enterprise healthcare applications; 3+ years administering Cedar Gate EZ Suite; Bachelor's degree; knowledge of claims, eligibility, authorizations, and ANSI X12; strong SQL, API, and troubleshooting skills.
EZCap, EZEDI, EZCare, SQL, APIs, EDI, ANSI X12
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
1d
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Data Engineer
Irvington or Phoenix or Durham or New York City
$90k-$120k/yr HybridFull Time
2+ YOERequires 2–5 years of data engineering or similar experience in media or advertising technology, DV360 and CM360 expertise, SQL, ETL/ELT, Snowflake, data modeling, scripting, and strong communication skills.
Display & Video 360 (DV360), Campaign Manager 360 (CM360), Google Marketing Platform, Airflow, Microsoft SQL Server, Snowflake, Python, PowerShell, JavaScript, Linux, Windows, SSIS, SSAS, SSRS, Google Ads, Search Ads 360 (SA360), Google Analytics 4 (GA4), Azure, AWS, Microsoft Azure, Microsoft Azure certifications, MCSE, MCSA, APIs
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
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
2mo
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Senior Automation Engineer
White Plains or Erlanger or Miami
$136k-$184k/yr OnsiteFull Time
7+ YOE7+ years delivering enterprise automation and integrations; Bachelor's in CS/Engineering or related; proficiency with Python, PowerShell, JavaScript, cloud (AWS/Azure), Databricks/Redshift/BigQuery, JSON/XML/SQL; strong communication and process-optimization mindset.
ERP, WMS, APIs, webhooks, Python, PowerShell, JavaScript, AWS, Azure, Databricks, Redshift, BigQuery, JSON, XML, SQL
2d
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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
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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Infrastructure Automation Engineer 2
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or St. Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
3+ YOEBachelor's or equivalent; minimum 3 years in infrastructure automation/platform engineering; scripting with Python, PowerShell, or JavaScript; experience with REST APIs, CI/CD/Git, Terraform or Ansible; knowledge of cloud (Azure/AWS) and security fundamentals.
VCF Automation, Aria Automation, Orchestrator, ServiceNow, GitOps, REST APIs, Python, PowerShell, JavaScript, CI/CD, Git, Terraform, Ansible, SDDC Manager, Aria Operations, Aria Operations for Logs, NSX, vSAN, Azure, AWS, CMDB
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