226 senior software developer jobs at 129 companies in Patchogue, NY
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Senior Software Engineer - Compliance Technology
New York or Greenwich
$150k-$235k/yr OnsiteFull Time
10+ YOE10+ years software development; deep expertise in C#; production SQL queries; React/CSS; Python; AWS; Agile/SCRUM; DevOps (CI/CD, IaC); AI-assisted development tools; finance industry exposure a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, Infrastructure as Code, AI-assisted development tools
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Senior Software Engineer - Compliance Technology
Greenwich or New York
$150k-$235k/yr HybridFull Time
10+ YOE10+ years software development; expert in C#; SQL; React; CSS; Python; AWS; Agile/SCRUM; DevOps; AI-assisted tools; finance experience a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, infrastructure-as-code, AI tools
1mo
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Senior Software Engineer
Lindenhurst, New York, United States
RemoteFull Time
6+ YOE6+ years software development experience, Bachelor's degree or 4 years' experience, strong communication and problem-solving, knowledge of DICOM/HL7 a plus, proficiency with JavaScript (node.js, vue.js, nuxt.js), C#, SQL, PHP, GIT, HTML/CSS.
JavaScript, node.js, vue.js, nuxt.js, C#, SQL, MSSQL, MySQL, Oracle, PHP, GIT, HTML, CSS, DICOM, HL7
3w
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Senior Software Developer
White Plains, New York, United States
$160k-$180k/yr HybridFull Time
5+ YOEBachelor's in Computer Science or related, 5+ years enterprise application development, experience with .NET, React, Python, C#, TypeScript, CI/CD and AI-enabled services; strong architecture and communication skills.
.NET, React, Python, C#, ReactJS, TypeScript
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Senior Software Engineer
Brooklyn, New York, United States
$164k-$193k/yr HybridFull Time
Lead implementation and delivery of search and recommendations work; strong software engineering with Scala, Java, Python; experience with Spark, Scalding, Airflow; provide design and code reviews and mentor teammates.
Scala, Java, Python, Spark, Scalding, Airflow
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Senior Software Engineer, C&I
United States or Brooklyn
$130k-$170k/yr RemoteFull Time
5+ YOE5+ years software engineering experience; senior-level React and Java experience; strong full‑stack, SQL, automated testing, CI/CD, and technical project leadership skills.
React, Java, Jest, JUnit, SQL, Springboot, Maven, Python, S3, MongoDB, AWS, DBT, Snowflake
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Senior Software Engineer
Bronx or Sacramento
$125k-$145k/yr OnsiteFull Time
10+ YOEBachelor's in engineering or equivalent, 10+ years embedded real-time software experience, strong C/C++ skills, RTOS experience, Git familiarity, scripting and higher-level language experience, excellent communication and mentoring skills.
C, C++, Git, Bash, PowerShell, Python, Make/Cygwin, C#, PHP, JavaScript, HTML, CSS
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Senior Software Developer - Client Tax
Greenwich, Connecticut, United States
HybridFull Time
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
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Senior Software Engineer (Hybrid)
Farmingdale, New York, United States
$90k-$115k/yr HybridFull Time
7+ YOEBachelor's in IT/CS/CE required, 7+ years experience (including 3+ as senior), expertise in C#, WPF/WinForms, SDLC, Microsoft Azure DevOps; hardware interfacing and DAQ experience preferred.
C#, WPF, WinForms, Microsoft Azure DevOps, .NET, .NET Core, ASP.NET, Angular, Entity Framework, SQL, Relational DB, Multi-Function DAQ, PLC, Windows
5d
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Senior Software Developer
Roslyn, New York, United States
$145k-$155k/yr OnsiteFull Time
5+ YOE5+ years experience with Oracle or SQL Server, 2+ years BI/reporting, experience with ETL, Linux scripting, SFTP integrations, JavaScript and programming languages (C#, .Net, Java, Python); bachelor's degree required.
Oracle, SQL Server, Origami Risk, Linux, JavaScript, SAP BusinessObjects, Power BI, Tableau, SFTP, GIT, C#, .Net, Java, Python
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Senior/Staff Software Engineer
Brooklyn, New York, United States
$200k-$250k/yr HybridFull Time, Contract
5+ YOE5+ years building production software; AI-native engineering experience; relational DB/schema design; cloud and Kubernetes familiarity; fullstack ownership and strong communication.
TypeScript, Python, Node.js, GCP, Kubernetes, React, PostgreSQL, Temporal, Claude, Cursor
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Senior Software Engineer - Product
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
5+ YOE5+ years software engineering experience; proficiency with React, React Native, Python (FastAPI); experience building multi-platform apps, CI/CD, automated testing, observability; strong communication; bachelor’s degree preferred.
React, React Native, Python, FastAPI, AWS, Azure, Google Cloud Platform, CI/CD
1mo
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Senior Software Engineer (Backend)
Brooklyn or New York City
$175k-$200k/yr HybridFull Time
5+ YOE5+ years software experience building scalable systems; strong security, relational database, and software design skills; experience managing dev/staging/production infrastructure and using LLMs and modern engineering practices.
Sabre, TravelPort, Amadeus, Python, Django, Celery, Redis, Postgres, React, TypeScript, AWS, Docker, Slack, Microsoft Teams, CI/CD, LLMs
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Senior Software Engineer
United States or White Plains
$170k-$200k/yr OnsiteFull Time
5+ YOE5+ years engineering experience, strong backend ownership, product judgment, experience with Python, PostgreSQL, AWS, CI/CD, and building reliable scalable systems.
Python, PostgreSQL, AWS
2d
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Senior Software Engineer - Platform Engineering
Los Angeles or Santa Monica or Brooklyn or Williamsburg or New York City or San Francisco
$180k-$200k/yr HybridFull Time
5+ YOE5+ years in platform, infrastructure, or software engineering; strong coding skills, Python preferred; cloud-native systems, Terraform, CI/CD, Docker, Kubernetes, databases, networking, and event-driven architecture.
Python, GCP, Terraform, GitHub, GitHub Actions, Docker, Kubernetes, Kafka, Pub/Sub, Kinesis, AI
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Senior Software Engineer, Manufacturing Systems
Glen Cove, New York, United States
$180k-$210k/yr HybridFull Time
5+ YOE5+ years engineering experience; full-stack development with React/Typescript and Node.js/Python; PostgreSQL, GCP/AWS, Kubernetes, Docker; experience designing MRP/MES or production systems preferred.
React, Typescript, Node.js, Python, PostgreSQL, GCP, AWS, GraphQL, REST, Kubernetes, Docker
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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
1mo
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Sr. Software Engineer
Miami or Shelton
OnsiteFull Time
5+ YOEBachelor's or equivalent experience, 5+ years production software development, strong with Node.js/TypeScript/Java/C#, serverless AWS (Lambda, API Gateway, DynamoDB, SQS/SNS), REST/GraphQL APIs, CI/CD and Git workflows, Terraform/IaC, and daily use of AI-assisted development tools (GitHub Copilot, Claude).
AWS Lambda, API Gateway, DynamoDB, SQS, SNS, Node.js, TypeScript, JavaScript, Java, C#, Terraform, GitHub, Azure DevOps, Dynatrace, OpenAPI, Swagger, GitHub Copilot, Claude, Git, GitHub Actions, Datadog, CloudWatch, Akamai, CloudFront, OAuth 2.0, OpenID Connect, AWS Cognito, React Native
1mo
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Senior Software Engineer, Android II
New York or New York
$153k-$175k/yr HybridFull Time
5+ YOE5+ years professional software engineering experience building native Android apps; expertise in Kotlin, Jetpack Compose, OkHttp, Moshi; strong system design, domain modeling, Android architecture, and mentoring skills.
Kotlin, Jetpack Compose, Material3, OkHttp, Moshi, ARCore, OpenCV, Filament
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Senior Software Engineer
Long Island City, New York, United States
$130k/yr OnsiteFull Time
6+ YOE6+ years software development experience; backend and frontend experience; familiarity with security protocols; ability to design tests and mentor developers.
Postman, Wireshark, RealTerm, Angular, Golang, TypeScript, Delphi, C++, MySQL, Visual Studio, Eclipse, HTML, CSS, React, JavaScript, jsNode, jQuery, AJAX, Windows, Linux (Ubuntu), SQL, TLS, SSL, HTTPS
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