232 senior software engineer jobs at 133 companies in Patchogue, NY
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Senior Electrical Engineer - Software (Brooklyn, NY, US)
Brooklyn or Ambler or Los Angeles or Seattle
$150k-$170k/yr OnsiteFull Time
10+ YOESenior rail vehicle electrical software engineer; 10+ years in software engineering and software QA; BS/MS in Electrical/Computer Engineering; strong communication skills; EIT/PE desirable.
IEEE standards, Software Quality Assurance, Software testing, Rail vehicle software, System integration
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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 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
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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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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/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
Bronx or Sacramento
$125k-$145k/yr OnsiteFull Time
10+ YOEBachelor's in EE/CE or equivalent, 10+ years in real-time embedded software, strong C/C++, RTOS and firmware skills, Git experience, debugging/troubleshooting, mentoring and project leadership.
C, C++, Git, Bash, PowerShell, Python, Make, Cygwin, C#, PHP, JavaScript, HTML, CSS
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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
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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
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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
4d
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Senior Software Engineer - Case Execution
New York City or Brooklyn or San Francisco
$190k-$220k/yr RemoteFull Time
5+ YOE5+ years backend software engineering experience, strong Python skills, experience building data-heavy workflow/orchestration systems; healthcare data experience preferred.
Python, Snowflake, dbt, Databricks
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Senior Software Developer - Python
Chicago or Greenwich
$200k-$250k/yr HybridFull Time
5+ YOE5+ years software engineering experience (Python/C++/Java), 3+ years Python as primary language, experience with Polars/Pandas/NumPy, Linux (1-3 yrs), SQL and large codebases; Bachelor's degree in CS or related.
Python, C++, Java, Polars, Pandas, NumPy, Linux, SQL
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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
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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
1w
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Sr Software Engineer
Hauppauge, New York, United States
$106k-$178k/yr OnsiteFull Time
5+ YOEBS in software/computer engineering or related,5+ years embedded software development/verification,US citizen or permanent resident required,experience with C/SCADE,DO-178/functional safety standards,and requirements management.
C, SCADE, DOORS, DOORS Next Gen (DNG), ARM, CANbus, ARINC, RS-232, Agile, DO-178
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
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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