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Senior Software Developer Jobs in Smithtown, NY (NOW HIRING)

Senior Software Developer

New York, NY · Remote

$55.75 - $73.75/hr

Senior Software Developer Location: US and Canada Job Overview: We are seeking a Senior Software Developer with strong experience in Java, Spring Boot, Python APIs, and cloud technologies. The ideal ...

New

Senior Software Developer

New York, NY · On-site

$59.50 - $78.75/hr

Senior Software Engineer Job Level : Senior Level Job Location: New York, NY Industry: Start Up THIS IS WHAT YOU WILL DO... You will collabrate with design and product members to define customer ...

Senior Software Developer

New York, NY · On-site

$59.50 - $78.75/hr

Senior Software Engineer Job Level : Senior Level Job Location: New York, NY Industry: Start Up THIS IS WHAT YOU WILL DO... You will collabrate with design and product members to define customer ...

Sr. Software Developer (Angular / Azure / AI-Driven Applications) Contract Duration: 12+ months Engagement Type: Contract | Hybrid Location: 4 Irving Place, New York, NY Interview Process: 1st Round ...

Sr. Software Developer (Angular / Azure / AI-Driven Applications) Contract Duration: 12+ months Engagement Type: Contract | Hybrid Location: 4 Irving Place, New York, NY Interview Process: 1st Round ...

Sr. Software Developer

New York, NY

$59.50 - $78.75/hr

Sr. Software Developer Location:Princeton, NJ Length 6-12 months contract The candidates will perform in a server-side developer role or may also work on client side, and will also be responsible for ...

Sr. Software Developer

New York, NY

$59.50 - $78.75/hr

Sr. Software Developer Location: Princeton, NJ Length 6-12 months contract The candidates will perform in a server-side developer role or may also work on client side, and will also be responsible ...

Senior Software Developer

Roslyn, NY · On-site

$145K - $155K/yr

The Senior Software Developer works closely with business operations to gather and analyze specifications and requirements. The position requires strong hands-on experience in data warehouse ...

This is a Lead Software Engineering position at the Vice President level, which is part of the job ... The Machine Learning Research group is looking for a senior ML developer and DevOps/MLOps engineer.

Sr Software Developer

New York, NY · On-site

$150K - $210K/yr

This is a Lead Software Engineering position at the Vice President level, which is part of the job ... The Machine Learning Research group is looking for a senior ML developer and DevOps/MLOps engineer.

Sr Software Engineer

New York, NY · On-site

$134K - $176K/yr

Title: Sr Software Engineer Location: New York city, NY Duration: 6 months Position type: Contract * Software engineering - senior software engineer, they are building out a new vulnerability ...

Senior Software Developer

Manhasset, NY · Hybrid

$59 - $77.75/hr

Development and implementation of software programs, custom-designed for company needs * Regular maintenance and improvement of existing software programs and platforms * Ensuring functionality and ...

Sr Software Developer

Greenwich, CT · On-site

$64.25 - $82/hr

Proven experience as a Java Developer with expertise in Java, Spring, Vert.x * Proficiency in using ... Solid understanding of software development principles and best practices. * Experience with ...

Senior Software Engineer

New York, NY

$134K - $176K/yr

Senior Software Engineer About PHIflow PHIflow is a data and technology company combining artificial intelligence (AI) and healthcare regulatory expertise to accelerate contract review processes for ...

Sr. Software Engineer

Shelton, CT · On-site

$119K - $149K/yr

Sr. Software Engineer (React Native) Ready to build what's next with one of the world's most iconic ... Support CI/CD pipelines and deployment processes in partnership with DevOps or platform teams.

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Senior Software Developer information

See Smithtown, NY salary details

$15

$62

$88

How much do senior software developer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for senior software developer in Smithtown, NY is $62.57, according to ZipRecruiter salary data. Most workers in this role earn between $53.12 and $70.19 per hour, depending on experience, location, and employer.

What skills and qualifications are needed to thrive as a senior software developer?

To thrive as a Senior Software Developer, you need deep expertise in programming languages, software architecture, and problem-solving, typically backed by a bachelor’s degree in computer science or a related field. Proficiency with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is standard, and certifications in these areas can be beneficial. Leadership, strong communication, and mentoring abilities set standout candidates apart in this role. These skills ensure that complex projects are delivered efficiently, code quality is maintained, and junior team members are effectively guided for overall team success.

What does a senior software developer do?

As a Senior Software Developer, you’ll typically be responsible for leading complex development projects, designing technical solutions, and mentoring junior team members. Daily tasks often include writing and reviewing code, participating in architecture discussions, collaborating with cross-functional teams (such as QA, product management, and DevOps), and troubleshooting high-level technical issues. You may also be involved in setting coding standards, conducting code reviews, and helping to plan sprints or project roadmaps.

What is a senior software developer?

Senior Software Developers are experienced professionals who design, develop, and maintain complex software applications. They often lead development teams, mentor junior developers, and make critical architectural decisions. Their responsibilities include writing high-quality code, troubleshooting technical issues, and ensuring that software projects meet performance and security standards. With deep expertise in programming languages and software engineering principles, they play a key role in delivering successful technology solutions for organizations.

What is the difference between Senior Software Developer vs Software Engineer?

AspectSenior Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's or higher in CS or related field; similar experience levels
Work EnvironmentCollaborates on complex projects, mentors juniors, leads technical effortsDesigns, develops, tests software; may work on specific modules or systems
Industry UsageCommonly used in tech companies, startups, and enterprise firmsWidely used across industries, often interchangeable with developer roles

The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

What are the most commonly searched types of Software Developer jobs in Smithtown, NY? The most popular types of Software Developer jobs in Smithtown, NY are:
What are popular job titles related to Senior Software Developer jobs in Smithtown, NY? For Senior Software Developer jobs in Smithtown, NY, the most frequently searched job titles are:
What cities near Smithtown, NY are hiring for Senior Software Developer jobs? Cities near Smithtown, NY with the most Senior Software Developer job openings:
Infographic showing various Senior Software Developer job openings in Smithtown, NY as of August 2026, with employment types broken down into 1% Internship, 79% Full Time, 15% Part Time, and 5% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $130,149 per year, or $62.6 per hour.

Senior Software Developer

Princeton IT Services

New York, NY • Remote

$55.75 - $73.75/hr

Contractor

Posted 2 days ago

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Job description

Job Title: Senior Software Developer

Location: US and Canada

Job Overview:

We are seeking a Senior Software Developer with strong experience in Java, Spring Boot, Python APIs, and cloud technologies. The ideal candidate will have hands-on experience developing scalable backend services, building APIs, and writing clients for data streaming platforms.

Required Skills & Experience

  • Strong hands-on experience with Java and Spring Boot.
  • Strong experience developing Python-based APIs.
  • Solid experience with cloud platforms and cloud-native application development.
  • Experience designing and developing RESTful APIs and backend services.
  • Hands-on experience writing clients for data streaming technologies.
  • Strong understanding of microservices and distributed systems.
  • Experience with SQL/NoSQL databases and data integration.
  • Experience with CI/CD, Git, and modern DevOps practices.
  • Strong troubleshooting, analytical, and problem-solving skills.
  • Excellent communication and collaboration skills.