748 lead developer jobs at 377 companies in Cornwall, 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
1w
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Sr Lead Application Developer
Iselin or Charlotte or New York
$128k-$174k/yr OnsiteFull Time
TIAA
TIAA: Financial services organization providing retirement, asset management, and investments.
5+ YOEBachelor's degree, 5+ years buy/sell-side development experience, strong Java/J2EE and AWS skills, CI/CD and database experience, programming in Python, and ability to produce technical designs and lead delivery.
Java, J2EE, Weblogic, SQL, Unix, AWS, EC2, EBS, S3, Lambda, EKS, DMS, Kinesis, SQS, SNS, Micro Services, Athena, QuickSight, Spice, IAM, Azure AD, Prism Alerts, VPC, Angular, C#, Spring Boot, React, RDS, Oracle, SQL Server, MYSQL, MongoDB, PostGre, Electric Flow, Ansible, Puppet, Jenkins, Github, Git, Maven, Docker, Atom, CodeBuild, CodeCommit, CodeDeploy, Python, Microsoft Visio, PowerPoint, Sterling Integrator, Autosys, DataStage, Eagle STAR, Eagle PACE
3mo
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Lead Electrical Engineer
Florham Park, New Jersey, United States
$95k-$127k/yr HybridFull Time
Reworld
Reworld: Operates sustainable waste management and energy-from-waste facilities.
4+ YOELead Electrical Engineer with 4+ years in electrical power distribution; Bachelor's in Electrical Engineering; EIT required, PE preferred; 30% travel; capable of leading and troubleshooting.
SKM, SEL Synchro Wave, GE EnerVista, One Line Diagram, Three Line Diagram, DC Control Schematics, Relay Protection
1mo
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Lead Software Development Engineer
Newark, New Jersey, United States
$185k-$250k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOE5+ years professional software development and architecture experience, bachelor's or equivalent, experience leading design and full SDLC, mentorship experience; ML/LLM knowledge preferred.
Machine Learning, LLM, transformer architecture
1mo
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Lead Software Developer
Newark or Atlanta
$105k-$120k/yr OnsiteFull Time
WebMD
WebMD: Providing digital health information services for consumers and healthcare professionals.
5+ YOE5+ years web development experience; expert HTML5, CSS3, JavaScript, XML; API and CMS architecture experience; leadership, code review, mentoring, and strong analytical and communication skills.
HTML5, CSS3, JavaScript, XML, STOVA, Sitecore, Webflow, YouTrack
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
2mo
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Java Apps Developer Lead Analyst - Vice President
New York or Jersey City
$142k-$213k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
6+ YOE6-10 years in software development; strong Java, Spring, microservices; TDD; SQL; Linux; Docker/Kubernetes; Agile; financial services experience preferred.
Java, Spring, Microservices, Hibernate, Kafka, JMS, JUnit, Mockito, Docker, Kubernetes, REST, Git, SQL, Linux
2mo
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Lead Engineer, Utility/Substation Protection & Control
Lewiston or Boonton
HybridFull Time
Asplundh
Asplundh: Provider of vegetation management and utility infrastructure construction services.
6+ YOELead Electrical Engineer with 5-8 years in relay/protection, PE/EIT, and substation and utility protection experience.
ASPEN, SKM, EasyPower, ETAP, Cimplicity HMIs, Ruggedcom
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
5d
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Lead Software Engineer
New York City, New York, United States
$152k-$215k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years of software engineering experience with Java 8+, Spring, JUnit, multithreaded programming, high-throughput platforms, reusable services, enterprise security, and approved AI-assisted development tools.
Java, Spring, JUnit, Java Spring Boot, Hibernate, Kafka, Cassandra, Kubernetes, PowerMock, JMeter, Splunk, Grafana, Dynatrace, Jenkins, Sonar, Fortify, Black Duck, Bitbucket, JIRA, Confluence, AWS, GCP
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
1w
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Lead Engineer
Parsippany, New Jersey, United States
$130k-$140k/yr OnsiteFull Time
Avis Budget Group
Avis Budget GroupNASDAQ: CAR: Global provider of vehicle rental and car sharing services.
8+ YOE8+ years software engineering experience with 5+ years Java backend; hands-on OCI experience; leadership of engineering teams; microservices, containerization, CI/CD, security, and Oracle DB expertise.
Java, Java 11+, Spring Boot, JPA/Hibernate, Oracle Cloud Infrastructure (OCI), Oracle Kubernetes Engine (OKE), Autonomous Database, Oracle DB, OCI Vault, OCI Observability, OCI DevOps, Docker, Kubernetes, Kafka, OCI Streaming, OCI Queue, Terraform, Jenkins, GitLab CI, Git, Oracle Fusion ERP/EPM, Data Lake, GoldenGate, Oracle AI Data Platform
2mo
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Product Technical Lead - Software Engineer II
New York or Chicago or Dallas or Houston or Grand Rapids or Washington
$170k-$250k/yr HybridFull Time
BDO USA
BDO USA: Provides accounting, tax, and business advisory services to organizations.
8+ YOE8+ years in Microsoft Dynamics, Project Operations, and software delivery; strong CI/CD, Azure, SQL/NoSQL; leadership and mentoring; Bachelor's in STEM or Finance/Accounting.
PowerShell, Graph API, Azure CLI, App Monitoring, App Insights, PowerBI, Microsoft Visual Studio, Azure DevOps, GitHub, SQL Server, Azure SQL, Power Apps, Azure Functions, HTTP Debug Tools
1mo
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Lead Bioinformatics Engineer
Marlborough or Addison or Secaucus
$155k-$175k/yr RemoteFull Time
Quest Diagnostics
Quest DiagnosticsNYSE: DGX: Provides clinical laboratory diagnostic testing and health information services.
3+ YOEBS+7 / MS+4 / PhD+3 experience with clinical/biological data, 5+ years in regulated life sciences, 4+ years software development, cloud (AWS) and bioinformatics experience, programming in Python/JavaScript/R, SQL/NoSQL, Terraform, Docker.
SQL, NoSQL, JSON based RESTful APIs, AWS, Terraform, AWS CDK, Microsoft Visio, DrawIO, Python, javascript/typescript, R, Docker, Python Flask, React Native, Bootstrap, R Markdown, Jupyter Notebook, ggplot2, tidyverse, Plotly, matplot lib, Tableau, d3.js, Git, Gitlab CI/CD, Github CI/CD
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

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