Arnold Chan
Mars Discovery District/Senior Software Engineer
2025 Salary
$122,339Total compensation $126,591, including $4,251 in taxable benefits.
Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page
At a Glance
2025
Employer Rank
#27Mars Discovery District
Years on List
32023–2025
Peak Salary
$122,3392025
Full 2025 roster at Mars Discovery District →·See where $122,339 ranks →
Total Compensation History
Full History
2023–2025
$116,051 in 2023 is worth about $121,296 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Senior Software EngineerMaRS Discovery District | $122,339 |
| 2024 | Senior Software EngineerMaRS Discovery District | $118,679 |
| 2023 | —MaRS Discovery District | $116,051 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on Arnold Chan's 2025 salary of $122,339 comes to roughly $88,215 once federal and Ontario income tax (about 23.4% effective) is deducted. On total compensation of $126,591, Arnold Chan ranked #27 of 42 disclosed at Mars Discovery District that year, where the median salary was $128,638. Arnold Chan has appeared on the list 3 times since 2023. Members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less after pension contributions, which this estimate leaves out.
- Estimated net pay
- ~$88,215
- Effective income-tax rate (excl. CPP/EI)
- ~23.4%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~27.9%
- vs. 2025 Senior Software Engineer median
- +10%
Where does $122,339 rank on the Sunshine List? →
Estimate only: 2025 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.