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As of August 01, 2026, the average salary for a Full Stack Software Engineer III in Massachusetts is $139,750 per year, which breaks down to an hourly rate of $67.
However, a Full Stack Software Engineer III's salary can vary significantly. Here’s a look at the typical salary range:
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Full Stack Software Engineer III Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $151,260 | $12,605 | $2,909 | $73 |
| Average | $139,750 | $11,646 | $2,688 | $67 |
| 25th Percentile | $128,930 | $10,744 | $2,479 | $62 |
Tutor Intelligence - Watertown, MA
Tutor Intelligence - Watertown, MA
VideaHealth - Boston, MA
WEX - Boston, MA
A Full Stack Software Engineer III's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location, and company size can directly affect your earning potential.
Experience is a primary driver of a Full Stack Software Engineer III's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Full Stack Engineer Entry | 0-2 years | $80,593 |
| Full Stack Engineer Intermediate | 2-4 years | $115,091 |
| Full Stack Software Engineer III | 4-7 years | $139,744 |
| Full Stack Engineer Specialist | 7+ years | $158,256 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Full Stack Software Engineer IIIs. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
Full Stack Software Engineer III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $156,442. While startup companies pay approximate $132,346.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $132,346 |
| Growth Stage | 51~500 | $139,972 |
| Established | 501~5000 | $151,073 |
| Enterprise | 5000+ | $156,442 |
For Full Stack Software Engineer III roles, the industry you choose can affect earning potential by as much as 35% (the gap between the highest and lowest paying industries). Data shows that the Aerospace & Defense and Biotechnology sectors offer the strongest compensation, at 20% above the average. In contrast, Full Stack Software Engineer positions in Insurance or Internet typically offer lower base pay, as these industries often view Full Stack Software Engineer III as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Aerospace & Defense | $167,700 | $81.0 | 20% |
| Biotechnology | $160,712 | $77.0 | 15% |
| Business Services | $156,520 | $75.0 | 12% |
| Chemicals | $153,725 | $74.0 | 10% |
| Construction | $150,930 | $73.0 | 8% |
Understanding how a Full Stack Software Engineer III's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $151,260 | $12,605 | $2,909 | $73 |
| Average | $139,750 | $11,646 | $2,688 | $67 |
| 25th Percentile | $128,930 | $10,744 | $2,479 | $62 |
Promotions are the fastest way to increase your earnings. As a Full Stack Software Engineer III, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Application Programmer Analyst IV | $156,300 | 12% |
| Software Research and Design Architect IV | $158,570 | 13% |
| Backend Applications Developer IV | $158,300 | 13% |
| Full Stack Engineer Specialist | $158,300 | 13% |
Ready to take the next step in your career? Browse thousands of current Full Stack Software Engineer III job openings on our job board. Use the search bar below to find your perfect match.
twenty80.io
Boston, MA
twenty80.io | Boston, MA
Job Description. Job Description. About the Role. A growing technology startup is hiring a Senior Full Stack Software Engineer to help build and scale its ... more
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ATI
Woburn, MA
ATI | Woburn, MA
Job Description. Job Description. About ATI. Automated Tire (ATI) is on a mission to reinvent tire changing and wheel balancing using cutting-edge robotics... more
6 Days Ago
Validity
Boston, MA
Validity | Boston, MA
Job Description. Job Description. About the Role. We're building the next generation of email marketing tools at Validity. AI is central to how we build – ... more
9 Days Ago
Scadea
Boston, MA
Scadea | Boston, MA
Job Description. Job Description. Job Title: Full Stack Engineer. Location: Boston, MA - 5 days a week onsite is required. Length: 6-10 months. . Top Skill... more
6 Days Ago
Owl Labs
Boston, MA
Owl Labs | Boston, MA
Job Description. Job Description. Owl Labs is looking for a. Senior Full Stack Engineer. to build customer-facing product experiences and the backend syste... more
8 Days Ago
Owl Labs
Somerville, MA
Owl Labs | Somerville, MA
Job Description. Job Description. Owl Labs is looking for a. Senior Full Stack Engineer. to build customer-facing product experiences and the backend syste... more
8 Days Ago
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