387 lead developer jobs at 231 companies in Fishkill, NY

2mo
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Lead AI Engineer
O Fallon or Arlington or Purchase
$140k-$231k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Experience designing and deploying production-grade AI systems; lead multi-agent, tool-using architectures; strong cross-functional leadership; production observability and governance.
Copilot Studio, Azure AI Foundry, Salesforce Agentforce, Microsoft Power Platform
3mo
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Lead Android Software Engineer
Rockleigh, New Jersey, United States
$129k-$209k/yr OnsiteFull Time
Crestron
Crestron: Designs and manufactures advanced automation and control systems.
10+ YOESenior Android expert with deep experience in Android platform development, embedded Android, and AOSP; lead full SDLC; drive AI-driven camera/audio features within UC products; strong C/C++/Java/Kotlin; systems integration.
Jira, Confluence, Git, Gerrit, GitHub, SVN
1w
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Lead Developer
Teaneck, New Jersey, United States
HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
10+ YOE10+ years professional software development experience with extensive focus on Python3 for backend/service applications; experience designing scalable architectures, testing, performance tuning, hybrid teams, and mentoring developers.
Python3
2mo
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Lead Automation Engineer
New Rochelle, New York, United States
$100k-$120k/yr OnsiteFull Time
Benchmark Education Company
Benchmark Education Company: Publishes literacy and language resources for K-12 education.
5+ YOESenior automation engineer with 5-8+ years, strong scripting (Python/JavaScript), experience in XML/JSON, HTML/CSS, and building automated workflows and content pipelines.
Python, JavaScript, XML, JSON, HTML/CSS, Git, CI/CD
2mo
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Requirements Engineer Lead
Trumbull or Livingston
OnsiteFull Time
CooperSurgical
CooperSurgicalNasdaq: COO: Manufactures medical devices for fertility and women's health.
8+ YOE8+ years as Requirements Engineer/Technical Product Owner in Agile software development; skilled in elicitation, backlog management, and coordinating with regulatory healthcare standards.
Jira, Confluence, Azure DevOps
2mo
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
5+ YOEStrong experience in Generative AI, LLMs, prompt engineering; hands-on with .NET, React, Python; experience with RAG architectures, API integrations; Azure cloud; ability to deploy AI-enabled applications.
.NET, React, Python, LangChain, LlamaIndex, Claude, Azure, RAG
2w
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Lead Software Engineer
Shelton or Indiana or Ohio or Louisiana or Iowa or New Hampshire or Delaware or North Carolina or Utah or Montana or Oklahoma or Virginia or Arkansas or Alabama or Missouri or Pittsburgh or Nevada or San Antonio or Tampa or St. Petersburg or Mississippi or Orlando or Tennessee or New Mexico or Kansas or Florida or Maitland or Phoenix or Idaho or West Virginia or Maine or Pennsylvania or Nebraska or South Carolina or Georgia or Wisconsin or Texas or Gilbert or Sunrise or Port St. Lucie or Kentucky or Dallas
HybridFull Time
HealthPlanOne
HealthPlanOne: Digital marketplace for health insurance and Medicare plans.
7+ YOE7+ years C#/.NET development experience, bachelor's in CS or related, strong OOP and design patterns, SQL Server and Azure experience, DevOps and source control familiarity.
.NET Framework, .NET Standard, .NET Core, .NET 9, .NET, C#, Blazor, Razor Pages, ASP.NET WebForms, WCF, Worker Services, JavaScript, Microsoft SQL Server, Microsoft Azure, CI/CD, Git, Microsoft Azure DevOps, Jira, Confluence
2mo
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Lead Software Engineer (Python, LLM) - AskGartner
Irving or Stamford
$116k-$170k/yr HybridFull Time
Gartner
GartnerNYSE: IT: Provides research and advisory services for business leaders.
Expert-level Python; backend services; FastAPI; AWS/Azure; SageMaker Pipelines; Pytest; PostgreSQL; Pandas; Git.
Python, Python FastAPI, AWS, Azure, AWS SageMaker Pipelines, pytest, Git, PostgreSQL, Parquet, JSON, CSV, Pandas, LangGraph, LangChain, OpenAI, Anthropic, Google, Locust, JMeter, AWS Athena, AWS S3, IAM, Splunk, AWS Secrets Manager, PySpark, Docker, Kubernetes, Terraform, OpenSearch, RAG systems, Cache technologies
3mo
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Lead Salesforce Engineer (Service Cloud)
Irving or Orlando or Stamford
$116k-$170k/yr HybridFull Time
Gartner
GartnerNYSE: IT: Provides business research and advisory services to organizations.
8+ YOE8+ MgmtBachelor's degree in computer science or related field, 8+ years of Salesforce development, UI development, team leadership, Apex, integrations, APIs, and object-oriented design experience.
Salesforce, Sales Cloud, Service Cloud, Force.com, Aura, Lightning Web Components, Visualforce, Apex, REST, SOAP, SOSL, SOQL, Jira, Git, SVN, Jenkins, Bitbucket, Scrum, Visual Studio Code, Metadata API, Salesforce ALM
2mo
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Lead Data Engineer
East Rutherford, New Jersey, United States
$125k-$150k/yr OnsiteFull Time
APC Postal Logistics
APC Postal Logistics: Dynamic international delivery and technology solutions provider.
8+ YOE8+ years in data engineering or analytics; scalable data warehouse; advanced SQL; Python; large-scale data; reliability and cost focus; logistics domain preferred.
SQL, Python, ETL/ELT, Data Warehousing, Data Modeling, Data Quality, Data Pipelines
2w
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
Strong experience with generative AI, LLMs and prompt engineering; hands-on development using .NET, React, Python; designing RAG pipelines, model training/fine-tuning, and Azure deployments.
.NET, React, Python, Claude, LangChain, LlamaIndex, Azure
7h
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Lead ML Engineer
Englewood Cliffs, New Jersey, United States
$190k-$210k/yr HybridFull Time
Versant
VersantNasdaq: VSNT: Operates cable television networks and digital media entertainment platforms.
8+ YOERequires 8–12+ years in machine learning, applied AI, and distributed systems; production ML experience; Python, ML frameworks, cloud infrastructure, LLMs, retrieval systems, and cross-functional leadership.
Python, AWS, GCP, Azure
3w
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Lead AI Security Automation Engineer
Quincy or Toronto or Boston or Princeton or Clifton or Austin
$120k-$218k/yr HybridFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
10+ YOELead and deliver enterprise-scale AI, security automation, and data platforms; 10+ years software engineering, 4+ years AI/ML/Generative AI experience, strong cloud, CI/CD, RAG and security background; Master's preferred.
Jenkins, Harness, Spinnaker, Argo CD, Python, JavaScript/TypeScript, Rust, Go (Golang), Bash, PowerShell, LangGraph, Semantic Kernel, CrewAI, AutoGen, LangChain, Databricks, Snowflake, Spark, Kafka, Delta Lake, Iceberg, Airflow, vector databases, MLOps, LLMOps
2mo
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Lead Structural Engineer-Precast
Clay, New York, United States
$105k-$160k/yr OnsiteFull Time
Bechtel
Bechtel: Designs and constructs large-scale industrial and infrastructure projects.
8+ YOEBachelor's degree and 8-10 years of relevant experience; professional engineer license highly preferred; relocation offered
Structural Analysis, Bechtel BSAPs, DCCL, DRNs, Civil/Structural design software, Drawing and specification tools
1mo
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AI/ML Lead Engineer
Stamford or San Ramon or San Mateo
$180k-$212k/yr HybridFull Time
Franklin Templeton
Franklin TempletonNYSE: BEN: Global investment firm providing asset and wealth management services.
5+ YOE5+ years software engineering experience including 2+ years deploying LLM/GenAI or agent-based systems; expert Python; experience with LangChain/OpenAI tool calling, vector DBs (Pinecone, FAISS), RAG, observability, and distributed services.
LangChain, OpenAI, Python, Pinecone, FAISS, Docker, Kubernetes, AWS, Azure, GCP
3w
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AI Engineer and Project Lead
White Plains, New York, United States
$200k-$250k/yr OnsiteFull Time
Myriad Systems
Myriad Systems: Provides integrated payment and practice management software for healthcare.
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
3d
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Lead Applications Developer - Regeneron Genetics Center
Tarrytown, New York, United States
$110k-$179k/yr HybridFull Time
Regeneron Pharmaceuticals
Regeneron PharmaceuticalsNASDAQ: REGN: Discovers and develops medicines for serious diseases.
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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Lead Engineer
Stamford, Connecticut, United States
OnsiteFull Time
Building and Land Technology
Building and Land Technology: Develops and manages large-scale residential and commercial properties.
5+ YOE5+ years commercial building engineering experience, strong HVAC/electrical/plumbing/BAS knowledge, OSHA/EPA compliance, troubleshooting, vendor coordination, and tenant service skills.
Building Automation Systems (BAS)
1mo
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Senior Software Developer - Client Tax
Greenwich, Connecticut, United States
HybridFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
Strong database and data modeling experience; Java, Spring, and REST API development; experience with Oracle and XML; ability to extract technical specs from business requirements and lead complex software projects.
Java, Spring, REST APIs, Oracle, XML
1w
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Lead BI Developer
Arlington or Baltimore or Buffalo or Jersey City or Manchester or New York or Philadelphia or Stamford
$120k-$150k/yr RemoteFull Time
Launch Potato
Launch Potato: Digital media operating a portfolio of consumer brands.
7+ YOEExpert SQL, LookML (or Power BI/Tableau), experience with unstructured data and performance marketing, reporting ownership, minimum 7 years BI/analytics experience.
SQL, LookML, Power BI, Tableau

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