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Mastercard Software Development Engineer Jobs in Connecticut

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Mastercard Software Development Engineer information

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$78K

$140.7K

$200.2K

How much do mastercard software development engineer jobs pay per year?

As of May 30, 2026, the average yearly pay for mastercard software development engineer in Connecticut is $140,743.00, according to ZipRecruiter salary data. Most workers in this role earn between $105,100.00 and $175,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Mastercard Software Development Engineer, and why are they important?

To thrive as a Mastercard Software Development Engineer, you need strong programming abilities (such as Java, C++, or Python), solid understanding of computer science fundamentals, and a relevant degree in computer science or related field. Familiarity with industry-standard development tools, cloud platforms, version control systems like Git, and knowledge of secure coding practices are typically required, along with certifications such as AWS or Scrum when applicable. Excellent problem-solving, collaboration, and communication skills are essential for effective teamwork and agile development. These skills and qualities ensure the delivery of secure, scalable, and innovative payment solutions that meet Mastercard’s global standards.

How does a Software Development Engineer at Mastercard typically collaborate with cross-functional teams?

As a Software Development Engineer at Mastercard, you will regularly collaborate with cross-functional teams such as product management, quality assurance, and operations. These collaborations are essential for understanding business requirements, integrating feedback, and ensuring the delivery of high-quality, secure software solutions. Agile methodologies are commonly used, so you'll participate in daily stand-ups, sprint planning, and code reviews alongside teammates from various disciplines. This environment fosters open communication and continuous learning, allowing engineers to contribute ideas and grow their professional network within the company.

What does a Mastercard Software Development Engineer do?

A Mastercard Software Development Engineer is responsible for designing, developing, and maintaining software applications that power Mastercard’s payment solutions and services. They work on a variety of projects, ranging from secure transaction processing systems to digital payment platforms. Their tasks include writing and testing code, collaborating with cross-functional teams, and ensuring software meets security and performance standards. The role often involves staying up to date with the latest technologies and implementing innovative solutions to enhance user experiences and system reliability.

What is the difference between Mastercard Software Development Engineer vs Mastercard Software Engineer?

AspectMastercard Software Development EngineerMastercard Software Engineer
ResponsibilitiesDesign, develop, and implement software solutions, often focusing on new features and product developmentMaintain, improve, and support existing software systems, with a focus on stability and performance
Required SkillsProficiency in programming languages, software design, and development methodologiesStrong coding skills, debugging, and system optimization abilities
Work EnvironmentCollaborative teams in product development, often involved in innovative projectsSupport and maintenance teams working on existing platforms and systems

Mastercard Software Development Engineers focus on creating new software solutions and features, while Mastercard Software Engineers primarily work on maintaining and improving existing systems. Both roles require strong programming skills and are integral to Mastercard's technology teams, but they differ in scope and responsibilities.

What are popular job titles related to Mastercard Software Development Engineer jobs in Connecticut? For Mastercard Software Development Engineer jobs in Connecticut, the most frequently searched job titles are:
What job categories do people searching Mastercard Software Development Engineer jobs in Connecticut look for? The top searched job categories for Mastercard Software Development Engineer jobs in Connecticut are:
What cities in Connecticut are hiring for Mastercard Software Development Engineer jobs? Cities in Connecticut with the most Mastercard Software Development Engineer job openings:
Mastercard Software Development Engineer jobs near you
Software Development Engineer in Test (SDET)

Software Development Engineer in Test (SDET)

subway

Shelton, CT

$102.70K - $128.40K/yr

Other

Medical, Life, Retirement

Posted 29 days ago

Subway rating

4.5

Company rating: 4.5 out of 10

Based on 1,991 frontline employees who took The Breakroom Quiz

89th of 104 rated fast food restaurants

Job description

Software Development Engineer in Test (SDET)

Ready to build what’s next with one of the world’s most iconic brands?

Why Join Subway?

At Subway, we are not standing still. We are building.

This is a business focused on what matters most: growing franchisee profitability, strengthening our brand and creating long-term value. The people who thrive here are the ones who want to make a real impact.

You will not just do the work. You will shape it.

We move fast. We think like owners. We make decisions that matter. We hold ourselves to a high standard because what we do directly impacts thousands of franchisees around the world.

If you bring energy, accountability and a bias for action, you will fit right in.

We take the work seriously, but we also know the best results come from teams that support each other, celebrate wins and show up ready to build something better every day.

This is your chance to be part of what’s next.

About the Role:

The Software Development Engineer in Test (SDET) is responsible for building and maintaining automated test solutions that ensure the quality, reliability, and performance of software applications. This role applies strong software engineering skills to testing challenges, embedding quality into the development lifecycle through automation, tooling, and continuous validation. The SDET partners closely with Software Engineers, Product Managers, and Platform teams to deliver high-quality, scalable systems.

Responsibilities include but not limited to:

  • Design, develop, and maintain automated test frameworks for UI, API, and backend services.
  • Write production-quality test code using modern programming languages and frameworks.
  • Collaborate with software engineers to define test strategies, acceptance criteria, and quality requirements.
  • Embed automated testing into CI/CD pipelines to enable continuous testing and fast feedback.
  • Develop and execute tests for functional, integration, regression, and end-to-end scenarios.
  • Perform API, data-level, and contract testing to validate system integrations.
  • Identify, document, and track defects while partnering with engineering teams on root-cause analysis.
  • Validate non-functional requirements including performance, reliability, and scalability, as needed.
  • Participate in design and code reviews to provide a quality and testability perspective.
  • Improve test coverage and reduce manual testing through automation and tooling enhancements.

Qualifications (some examples listed below):

  • 4–7 years of experience in software testing, automation, or SDET roles.
  • Strong software development skills with experience writing test automation code.
  • Proficiency in one or more programming or scripting languages (e.g., Java, JavaScript, Python, C#).
  • Experience with test automation frameworks and tools (e.g., Selenium, Cypress, Playwright, REST-assured, Postman).
  • Solid understanding of REST APIs, microservices, and distributed systems.
  • Experience integrating automated tests into CI/CD pipelines.
  • Familiarity with Agile and DevOps delivery models.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
  • People Management: No | Travel: Minimal to none.

What do we offer?

  • Insurance Plans (Medical, Life)
  • Pension/401K/RSP (country specific)
  • Competitive Bonus
  • Mobility Allowance
  • Tuition Reimbursement
  • Company Holidays
  • Volunteering time
  • And More……

 

Compensation: The base pay range for this role is $102,700 - 128,400 annually

Pay within this range will be determined in good faith based on job-related factors, which may include skills, experience, education/training, location, and internal equity.

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