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

Software Dev Engineer III

Bethpage, NY

$58.75 - $79/hr

We are Optimum, a leader in the fast-paced world of connectivity, and we're on the hunt for ... Develop unit and integration tests for application reliability * Deploy and manage web applications ...

Sr Software Engineer

Melville, NY · On-site

$150K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Sr Software Engineer Department: Engineering Employment Type: Full Time Location: Melville, NY ... development. * Expertise in Service-oriented architectures, microservices, advanced database ...

Sr Software Engineer

Melville, NY

$125K - $165K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As a Senior Software Engineer at KWI, you'll play a critical role in redefining how retailers ... development. * Expertise in Service-oriented architectures, microservices, advanced database ...

Senior Software Engineer

Greenwich, CT · Hybrid

$137K - $181K/yr

*****No Visa Sponsorship Available Now or in the Future***** Our client, a global financial technology organization headquartered in Greenwich, Connecticut, is seeking a Senior Software Engineer to join ...

Sr Software Engineer - Java

Greenwich, CT · On-site

$140K - $184K/yr

Sr. Software Engineer- Java (Greenwich, CT) (Hybrid: Remote work permitted 2 days) (multiple ... in production and development environments. Hybrid: 2 days remote work permitted. Must work from ...

Senior Embedded Software Engineer

Farmingdale, NY · On-site

$122K - $215K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Supports the design, development, test, debugging and maintenance of software that is integrated ... Bachelor's degree in Computer Science/ Computer Engineering and 10+ years related experience

Senior Embedded Software Engineer

Farmingdale, NY · On-site

$122K - $215K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Supports the design, development, test, debugging and maintenance of software that is integrated ... Bachelor's degree in Computer Science/ Computer Engineering and 10+ years related experience

Senior Embedded Software Engineer

Melville, NY

$126K - $166K/yr

  • Medical

  • Dental

  • Retirement

The engineering department is responsible for the development of products in multiple disciplines ... Create, conduct, automate and document Quality Assurance tests to validate firmware/software ...

Senior Embedded Software Engineer

Farmingdale, NY

$122K - $215K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Supports the design, development, test, debugging and maintenance of software that is integrated ... Bachelor's degree in Computer Science/ Computer Engineering and 10+ years related experience

Senior Embedded Software Engineer

Farmingdale, NY

$122K - $215K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Supports the design, development, test, debugging and maintenance of software that is integrated ... Bachelor's degree in Computer Science/ Computer Engineering and 10+ years related experience

Senior Embedded Software Engineer

Melville, NY · On-site

$126K - $166K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The engineering department is responsible for the development of products in multiple disciplines ... Create, conduct, automate and document Quality Assurance tests to validate firmware/software ...

Senior Embedded Software Engineer

Farmingdale, NY · On-site

$122K - $215K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Supports the design, development, test, debugging and maintenance of software that is integrated ... Bachelor's degree in Computer Science/ Computer Engineering and 10+ years related experience

Sr Software Engineer

Greenwich, CT · On-site

$137K - $181K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

In addition, we also continuously work on our fully integrated internal development and operational ... test coverage requiring minimal operational oversight. * Creating independent automated risk ...

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

Showing results 21-40

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:

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.

Software Development Engineer III

Optimum

Bethpage, NY • On-site

Full-time

Re-posted 3 days ago


Optimum rating

7.5

Company rating: 7.5 out of 10

Based on 54 frontline employees who took The Breakroom Quiz

48th of 99 rated telecommunications companies


Job description

Are you looking to Optimize your life? Start your exciting path to a rewarding career today!
We are Optimum, a leader in the fast-paced world of connectivity, and we're seeking driven and enthusiastic professionals to join our team, empower lives, fuel businesses, and drive innovation. Connectivity is no longer a luxury, but a necessity. A career at Optimum means you'll be enabling progress and enhancing lives by providing reliable, high-speed connectivity solutions that keep the world connected. Our successes, now and in the future, are powered by our amazing product, a commitment to our people and culture, and the connections we make in our communities.
If you are resourceful, collaborative, and passionate about delivering consistent excellence, Optimum is for you!
Job Summary
We're looking for a highly skilled and experienced Software Development Engineer III with a strong background in AI and machine learning to join our growing AI engineering team. In this role, you will lead the design, development, and deployment of intelligent systems and AI-powered products. You'll collaborate with cross-functional teams, including developers, data scientists, ML engineers, product managers, and infrastructure teams to bring cutting-edge innovations to production at scale.
You'll play a key role in technical decision-making, architecture, and mentoring junior/mid-level engineers while pushing the boundaries of what AI can do across our platform.
Responsibilities
  • Lead the end-to-end development of AI-driven systems and services.
  • Collaborate with research and product teams to translate ML models into scalable production applications.
  • Architect robust, scalable, and low-latency backend systems and AI pipelines.
  • Guide the design and implementation of APIs, microservices, and data pipelines supporting AI workloads.
  • Drive adoption of AI best practices to ethical AI and model interpretability.
  • Optimize machine learning models for performance, cost, and accuracy in production environments.
  • Mentor junior and mid-level engineers through code reviews, pair programming, and architectural guidance.
  • Own software reliability, testing, and observability of AI components.
  • Stay updated with advancements in AI/ML and drive continuous improvement of the tech stack.

Qualifications
  • Bachelor's degree in computer science or related field required
  • Minimum 7 years of software development experience
  • Excellent communication skills and ability to lead technical initiatives across teams
  • Proficiency in Python, JavaScript, GIT, NodeJS, and Code Blocks
  • Experience optimizing AI systems for performance, reliability, and scale
  • End-to-end development of AI-driven systems and services
  • Experience with Google CES, along with prompt engineering, is an added advantage
  • Experience with Google Cloud capabilities
  • Dialogflow / conversational AI experience is a nice to have
  • The person should be a strong team player
  • The person should be in the New York or Dallas/Fort Worth area and ready for the hybrid work culture (3 days in the office)
  • Familiarity with AI Tools and AI First mindset

At Optimum, every action and interaction we take part in, is driven by our three Guiding Principles: Do What's Right, Drive One Optimum, and Make It Happen. These aren't just words, they help us build trust, create real community, and embrace new ways of thinking. Our employees are empowered to do the right thing for our customers and co-workers and to recognize and reward these behaviors when we see them. It's all part of the bigger picture of "Be The Difference" where each employee knows they have the power to enact real change, share new ideas, and understand that learning never stop.
If you have the drive to succeed and are ready to embark on a thrilling career, seize this opportunity today, and join our winning team. Together, we'll shape the future of connectivity.
All job descriptions and required skills, qualifications and responsibilities for a particular position are subject to modification by the Company from time to time, in the Company's discretion based on business necessity.
We are an Equal Opportunity Employer committed to recruiting, hiring and promoting qualified people of all backgrounds regardless of gender, race, color, creed, national origin, religion, age, marital status, pregnancy, physical or mental disability, sexual orientation, gender identity, military or veteran status, or any other basis protected by federal, state, or local law.
The Company collects personal information about its applicants for employment that may include personal identifiers, professional or employment related information, photos, education information and/or protected classifications under federal and state law. This information is collected for employment purposes, including identification, work authorization, FCRA-compliant background screening, human resource administration and compliance with federal, state and local law.
Applicants for employment with The Company will never be asked to provide money (even if reimbursable) as part of the job application or hiring process. Please review our Fraud FAQ for further details.
Pay is competitive and based on a number of job-related factors, including skills and experience. The starting pay rate/range at time of hire for this position in New York is $133,661.00 - $219,586.00 / year. For other locations, please inquire with your recruiter. The rates/ranges provided herein are the anticipated pay at the time of hire, and do not reflect future job opportunity.
We appreciate your interest in this opportunity. Applicants must be authorized to work for ANY employer in the U.S. Please note that at this time, we do not provide visa sponsorship for employment.

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