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Senior Software Developer Jobs in Northampton, MA

ISO New England

Senior Software Test Engineer

Holyoke, MA · On-site

$120K - $160K/yr

The Software Test Engineer (SDET) designs and delivers automated test strategies for UI and API applications. You will partner with Business Analysts and Developers to build automated tests ...

L3HHCM20

Specialist Software Engineer

Northampton, MA · On-site

$97K - $180K/yr

Specialist, Software Engineering Job Code : 41023 Job Location: Northampton, MA Schedule: 9/80 As a Software Engineer - Technical Lead at L3-Harris, you will be responsible for leading the design ...

VHB

Senior Traffic Engineer - Design

Springfield, MA · Hybrid

$100K - $125K/yr

Overview ABOUT THE POSITION Senior Traffic Engineer - Design | Hybrid VHB is seeking a strong Senior Traffic Engineer with solid design experience to join our vibrant and growing transportation ...

Diaconia

Structures Engineer, Senior

Chicopee, MA · On-site

$100K - $125K/yr

Proficiency in engineering analysis tools and software. * In-depth understanding of airworthiness ... Requirements Senior Minimum Required Qualifications: * Active Secret DoD Clearance or the ability ...

Diaconia LLC

Structures Engineer, Senior

Chicopee, MA · On-site

$100K - $125K/yr

Proficiency in engineering analysis tools and software. * In-depth understanding of airworthiness ... Requirements Senior Minimum Required Qualifications: * Active Secret DoD Clearance or the ability ...

Diaconia

Structures Engineer, Senior

Chicopee, MA · On-site

$100K - $136K/yr

Proficiency in engineering analysis tools and software. * In-depth understanding of airworthiness ... Requirements Senior Minimum Required Qualifications: * Active Secret DoD Clearance or the ability ...

ISO New England

Senior Applied AI Engineer

Holyoke, MA · On-site

$141K - $171K/yr

As a Senior Applied AI Engineer, you will operate at the intersection of power systems engineering ... Strong software engineering skills (Python, data pipelines, version control, etc.) * Excellent ...

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Senior Software Developer information

See Northampton, MA salary details

$15

$61

$87

How much do senior software developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for senior software developer in Northampton, MA is $61.49, according to ZipRecruiter salary data. Most workers in this role earn between $52.21 and $68.94 per hour, depending on experience, location, and employer.

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 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 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 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.

More about Senior Software Developer jobs

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For Senior Software Developer jobs in Northampton, MA, the most frequently searched job titles are:

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Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Northampton, MA as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 12% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $127,895 per year, or $61.5 per hour.

Senior Software Test Engineer

ISO New England

Holyoke, MA • On-site

$120K - $160K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 21 days ago

Job description

ISO New England is the independent system operator responsible for ensuring the safe and reliable flow of electricity in our region and planning for the future of the electric grid. We are at the forefront of New England's ongoing transition to clean energy.
Join a team supporting and enhancing mission-critical ISO New England applications in a fast-paced, collaborative environment.
The Software Test Engineer (SDET) designs and delivers automated test strategies for UI and API applications. You will partner with Business Analysts and Developers to build automated tests, integrate them into CI/CD pipelines, execute results-driven test runs, and mentor junior testers/consultants.
What we offer you:
  • A stable, mission-driven workplace where your impact truly matters
  • A highly engaged work environment that values inclusion, collaboration, and employee safety and wellbeing
  • Competitive compensation with a base salary + performance bonus
  • Robust benefits package, including:
    • Enhanced 401(k) and financial planning support
    • Tuition reimbursement and professional development
    • Wellness programs, including an onsite gym
    • Flexible work hours
    • Employee Business Networks
    • Free coffee at our onsite caf
  • Hybrid work environment (3 days/week onsite)
  • Distance-based relocation assistance available

How you will make an Impact
  • Build and maintain scalable test automation frameworks
  • Create, run, and improve automated tests to raise release quality
  • Review acceptance criteria and test cases with Business Analysts
  • Partner with Developers to improve test coverage, scope, and process
  • Implement best practices to optimize automated testing efficiency and effectiveness
  • Stay current on testing tools and emerging technologies
  • Mentor junior testers/consultants through coaching and knowledge sharing

What you need to be successful
  • Bachelor's degree in Computer Science, Engineering, or equivalent experience
  • 5+ years in software testing with hands-on test automation for web applications and APIs
  • Experience with Playwright, Selenium, or Cypress; BDD tools such as Cucumber a plus
  • Programming skills in Java plus scripting in Python or JavaScript; working knowledge of SQL
  • Ability to design and maintain automated tests from functional and non-functional requirements
  • Strong communication skills and experience working with BAs, Developers, and stakeholders
  • Experience integrating automated tests into CI/CD (e.g., Jenkins) and supporting continuous delivery
  • Mentoring or technical leadership experience for junior QA/SDET team members
  • Strong troubleshooting skills (root cause analysis for test failures) and attention to detail
  • Experience with QA/Dev tools such as Git, Jira, JUnit/TestNG, and Postman
  • Preferred
    • Docker and container orchestration (Kubernetes or ECS)
    • Infrastructure as Code (Terraform)
    • Agile delivery (Scrum or Kanban)
    • Cloud experience (AWS preferred)
    • ISTQB certification
    • SDET boot camp or similar certification

This employer will not sponsor applicants for work visas for this position (ex: H-1B, F-1/CPT/OPT, O-1, E-3, TN, J, etc.).
The expected salary range for this position is $120,000 - $160,000 per year. This role is also eligible for an annual performance bonus, comprehensive health insurance (medical, dental and vision), flexible spending and health savings accounts, a 401(k) plan with generous employer contributions and a student debt benefit, life and AD&D insurance, disability insurance, critical illness and hospital indemnity benefits, paid time off, paid leave, a wellness program, an employee assistance program and other great company perks.
#LI-HYBRID
This is a U.S. based role. If the successful candidate resides outside of the U.S., relocation will be required.
Equal Opportunity: We are proud to be an EEO employer. Applicants for employment are considered without regard to race, color, religion, creed, sex (including pregnancy, childbirth, and related medical conditions), gender identity or expression, sexual orientation, citizenship, national origin, age, ancestry, marital status, disability (including learning, mental, intellectual, and physical), service in the uniformed services, genetic information, or any other status protected by applicable law.
Drug Free Environment: We maintain a drug-free workplace and perform pre-employment substance abuse testing.

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