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Senior Software Development Engineer In Test Jobs in Central Islip, NY

KenCast

Director of Software Development

Stamford, CT · On-site

$125K - $225K/yr

... a senior engineering leader who will help guide the next phase of our software platform while contributing directly to development. This is a great opportunity to play a central role in shaping ...

NextRow Digital

Senior Test Engineer

Holtsville, NY · On-site

$70/hr

... DevOps, Data conversion, Data integration, and Data loading. • Collaborate with test and ... development models. • Experience in enterprise software testing. • Experience in writing SQL ...

Interactive Brokers

Sr Software Engineer

Greenwich, CT · On-site

$137K - $181K/yr

IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in ... All phases of a multi-tier software development cycle (GUIs, databases, mid-tier, batch ...

Interactive Brokers

Sr. Software Engineer

Greenwich, CT · On-site

$137K - $181K/yr

Experience of atleast 3 years in software development in C++, Object Oriented Programming ... Networking, STL at educational and/or professional level. * In-depth understanding of OOP, design ...

Interactive Brokers

Sr Software Engineer

Greenwich, CT · On-site

$137K - $181K/yr

IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in ... test cases using simple scripts and mocking/stubbing various inputs and outputs to Interactive ...

Primma, LLC

Senior Software Developer

Roslyn, NY · On-site

$145K - $155K/yr

The Senior Software Developer works closely with business operations to gather and analyze ... Proficiency in JavaScript and user interface development. * Proven experience in creating mail ...

Interactive Brokers

Sr Software Engineer

Greenwich, CT · On-site

$137K - $181K/yr

IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in ... Build software that supports the expansion of IBKR brokerage business into new markets around the ...

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All JobsSoftware Development Engineer In Test JobsSenior Software Development Engineer In Test JobsSenior Software Development Engineer In Test Jobs in Central Islip, NY

Senior Software Development Engineer In Test information

See Central Islip, NY salary details

$22.8K

$127.1K

$165.5K

How much do senior software development engineer in test jobs pay per year?

As of Aug 16, 2026, the average yearly pay for senior software development engineer in test in Central Islip, NY is $127,098.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,900.00 and $145,300.00 per year, depending on experience, location, and employer.

How does a senior software development engineer in test typically collaborate with development and product teams to ensure software quality?

As a Senior Software Development Engineer In Test (SDET), you will work closely with both development and product teams throughout the software development lifecycle. This includes participating in design and requirements discussions to identify potential test cases early, contributing to test automation strategies, and providing feedback on testability and quality risks. SDETs often pair with developers to review code, co-create test plans, and triage bugs together, ensuring that testing is fully integrated into the CI/CD pipeline. Effective communication and cross-team collaboration are essential for proactively identifying issues and maintaining high software quality standards.

What is the difference between Senior Software Development Engineer In Test vs Software Development Engineer In Test?

AspectSenior Software Development Engineer In TestSoftware Development Engineer In Test
ExperienceTypically 5+ years in testing and developmentEntry to mid-level, 1-3 years experience
ResponsibilitiesDesigns complex test frameworks, mentors juniors, leads testing initiativesDevelops test cases, automates tests, executes testing tasks
Skills & CertificationsAdvanced coding, automation, testing tools, leadership skillsProgramming, automation, testing tools
Work EnvironmentCollaborates with cross-functional teams, often in Agile settingsWorks closely with developers, focuses on automation and manual testing

In summary, a Senior Software Development Engineer In Test has more experience, leadership responsibilities, and strategic testing roles compared to a Software Development Engineer In Test, who primarily focuses on developing and executing tests.

What are the key skills and qualifications needed to thrive as a senior software development engineer in test, and why are they important?

To thrive as a Senior Software Development Engineer In Test, you need advanced programming skills, deep knowledge of software testing methodologies, and a bachelor's degree in computer science or a related field. Expertise with automation frameworks (such as Selenium, Cypress, or Appium), CI/CD tools, and scripting languages is typically required, along with relevant certifications like ISTQB. Strong analytical thinking, problem-solving, and effective communication are crucial soft skills for collaborating with cross-functional teams and driving quality initiatives. These capabilities ensure rigorous test coverage, faster release cycles, and high-quality software products.

What does a senior software development engineer in test do?

A Senior Software Development Engineer in Test (SDET) is responsible for designing, developing, and maintaining automated test frameworks and tools to ensure the quality and reliability of software products. They work closely with development and QA teams to identify test requirements, create robust test cases, and integrate automated tests into the CI/CD pipeline. In addition to coding and scripting, Senior SDETs mentor junior team members, analyze test results, and help troubleshoot complex issues to continuously improve software quality. Their expertise bridges the gap between development and testing, ensuring both speed and quality in software releases.

What cities near Central Islip, NY are hiring for Senior Software Development Engineer In Test jobs?

Cities near Central Islip, NY with the most Senior Software Development Engineer In Test job openings:

Senior Software Development Engineer In Test jobs near you
Infographic showing various Senior Software Development Engineer In Test job openings in Central Islip, NY as of June 2026, with employment types broken down into 4% As Needed, 79% Full Time, 13% Part Time, 2% Contract, and 2% Nights. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $127,098 per year, or $61.1 per hour.

Director of Software Development

KenCast

Stamford, CT • On-site

$125K - $225K/yr

Full-time

Medical, Dental, Vision, PTO

Re-posted 15 days ago

Job description

Job Title: Director of Software Development
Reporting to: CEO
Location: Stamford, CT
Schedule: Full‐time
Salary: Competitive, Bonus, Stock Options
Benefits: Comprehensive health, dental, 401(k) matching

Position Summary

We are seeking a senior engineering leader who will help guide the next phase of our software platform while contributing directly to development. This is a great opportunity to play a central role in shaping product direction, coordinating releases, and supporting new initiatives across content delivery, networking, and transport technologies.

This position is ideal for someone who enjoys a blend of hands‐on engineering, technical leadership, and strategic planning. The right candidate will bring a positive, collaborative approach and help foster a strong engineering culture for a growing team. This role offers a clear and rapid path toward career advancement.

Primary Responsibilities

Technical Leadership & Product Direction

  • Work with management to create and maintain forward‐looking engineering roadmaps helping shape long-term product and technology direction
  • Establish subject matter expertise in one or more of the company’s core focus areas
  • Coordinate release planning, timelines, and cross‐team communication
  • Identify opportunities for platform enhancements and new product capabilities

Hands‐On Engineering

  • Contribute directly to the codebase using C/C++, Python, and related technologies
  • Drive the design and development of next‐generation capabilities for our managed content delivery platform, our line of hardware appliances, and vertically integrated solution
  • Enhance internal development infrastructure, including build systems, version control workflows, and release tooling
  • Build and maintain CI/CD pipelines supporting automated builds, testing, and packaging across Linux and Windows

Team Leadership & Collaboration

  • Mentor and support developers as the engineering team expands, setting technical standards and raising the bar for execution
  • Collaborate with Product Management, QA and Support to ensure high-quality, timely releases
  • Foster a collaborative, positive, and solutions‐oriented engineering culture focused on ownership and accountability

Customer & Market Engagement

  • Learn and understand customer use cases across satellite, cellular, broadcast and defense markets and translate them into actionable engineering plans and product improvements
  • Participate in technical sales discussions, customer meetings, and solution design sessions as a senior technical voice
  • Attend selected industry events and trade shows and interface with prospective customers

Qualifications

Required

  • Strong expertise in C/C++, object‐oriented design, and modern development tools
  • Experience with wireless communication methodologies and standards including satellite and cellular
  • Possess an understanding of core networking protocols (HTTP, TCP, UDP)
  • Experience with scripting languages (bash, Python, etc)
  • Experience leading and architecting software projects while remaining hands-on
  • Experience with both Linux and Windows development environments
  • Strong communication skills and a collaborative, team‐first mindset

Preferred

  • Interest in growing into a VP Engineering or CTO role
  • Experience with AI assisted software development
  • Background in forward error correction
  • Experience with IP multicast, satellite networking, or wireless communication standards
  • Knowledge of compression, encryption, and secure content delivery
  • Experience with virtualization, DevOps, CI/CD, or build automation
  • Prior customer‐facing or technical sales experience
  • Ability to manage customer requirements with development priorities

Company Description

KenCast is a US‐based tech firm focused on making sure data—whether moving from movie studios to theaters, from defense command centers to deployed forces, or from major news organizations to broadcast affiliates—arrives completely, securely and quickly.

Known for our error correction algorithms and content delivery technology, we develop software platforms, integrated hardware appliances, workflow automation and end-to-end managed delivery solutions.

KenCast offers the pace and hands-on impact of a small company, combined with a 30-year track record, deep industry relationships and a strong base of respected customers.