Junior AI Research Scientist.

Where do you fall?

Salary trend

Estimated total: $203,000

The Junior AI Research Scientist landscape in Portland is not what most salary sites will tell you. Portland, Maine is a small but growing tech and creative economy hub. The city attracts remote workers and small companies seeking quality of life on the New England coast. Healthcare, marine industries, and a craft food and beverage sector round out the local economy. Junior AI Research Scientist compensation is driven by publication record, domain specialization, and whether the work involves production model training or applied research. Equity is a major component at roughly 25% of base — candidates should weight stock grants as heavily as salary when comparing offers. Within tech-sector Junior AI Research Scientists specifically, employer tier (FAANG and frontier-AI labs vs mid-stage startups vs traditional enterprise) drives 66%+ variance across the compensation band.

Junior AI Research Scientists progress Research Engineer → Senior → Staff → Principal → Distinguished over 8 to 15 years. Frontier-AI labs compress this ladder — a strong PhD can land at L5/Senior directly. The VP Research track diverges around year 10 for those who choose to lead labs. Junior AI Research Scientists specifically are entry-level; the first 2 to 3 years build foundational skills before the mid-level transition. In Portland, cost of living sits near the national average, so the numbers you see are roughly what you keep.

Base salary is not the full picture. Total compensation for Junior AI Research Scientists runs roughly $224K at median when factoring base + equity (25% of base annually) + bonus (15% of base). Equity is the single largest non-base component — candidates should model vesting schedules (typically 4-year with 1-year cliff) and compare grant values across offers carefully. At tech companies specifically, equity and sign-on are often the largest delta between offers — two roles with matching base can differ by $100K+ at total when equity is included. And on the tax side: maine's top income tax rate is 7.15%. Portland has no city income tax. The state rate is above average but offset by quality of life and access to rural New England. When someone quotes you $157,000, ask what the total package looks like. The gap between base and total comp is where real money hides.

On negotiation: Negotiate remote work flexibility. Portland employers know they compete with Boston and New York for talent and may offer location flexibility to attract top candidates. The range for Junior AI Research Scientists in Portland runs from $123,000 to $205,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.

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