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Javascript Developer Salary in Boston 2026

How much does a Javascript developer expect to make at Boston-based startups? The average expected salary for Javascript developers in Boston-based startups is 119k per year, with a range from 55k to 220k. These amounts were gathered from Wellfound self-reported data and represent the median salary range. The salary range for Javascript developers in Boston startups varies depending on factors such as industry, experience, and startup stage.

119.1k

Average Salary

4 years

Average years of experience

Hiring data hero image

Salary

By quarter
The average salary for a Javascript developer in Boston is$119,083, which is 2.7% lower than the average Boston startup salary of $122,333. Javascript developer salaries in Boston are based on exclusive Wellfound data. All data is updated on a weekly basis. Factors that may influence salary include: years of experience, title, size of company, skill-set, and industry.

Top of market

$184,583/yr

Range $155k - $220k

Average

$119,083/yr

Range $87k - $147k

Below Average

$97,208/yr

Range $55k - $132k


Industries

The highest average salary a Javascript developer in Boston can get in Hardware, that is $195,000. This pay is 29.4% higher than the average Javascript developer salary, which is $150,700. The highest-paying industries in 2023 are: Hardware (avg $195,000 per year), Collaboration (avg $195,000 per year), Healthcare (avg $180,000 per year).

Tech Stack

The top-paying developer skills of 2026 are:
  • 1. Django

    $190k

  • 2. Kafka

    $150k

  • 3. Java

    $150k

  • 4. Machine Learning

    $145k

  • 5. GCP

    $142k

  • 6. Kubernetes

    $142k

  • 7. Nest.Js

    $140k

  • 8. Docker

    $140k

  • 9. Redis

    $135k

  • 10. C

    $135k


Years of experience

Below Average

Average

Top of Market

The highest average salary Javascript developer in Boston can get with 10+ years of experience, that is $95,000. This pay is 22.3% lower than the average salary in Boston startups, which is $122,333. The salary range varies with years of experience and depends on other factors such as skill set, size of company, and industry.