What Compiler Engineers Earn Across the US in 2026

The US median base salary for a compiler engineer is $147,564, with the 90th percentile at $247,681 (Glassdoor, data to August 2026). Those national figures hide a 3.2x spread between employers hiring the same skill set. This page breaks the real numbers down.

Key Takeaways

• US median base sits at $147,564 and the 90th percentile at $247,681, but posted bases for comparable AI compiler work run from $141,000 at Google TPU to $445,000 plus equity at OpenAI.
• Quantisation and inference optimisation carries the highest measured premium at 27.0%, ahead of GPU kernel engineering at 26.8% and MLIR with Triton at 21.1%.
• Compiler-weighted pay growth works out at 4.94% for 2026, against 2.67% for US software engineering overall, because the demand sits at senior and staff level where growth is fastest.
• NVIDIA granted an average of $223,548 of equity per employee in its 2026 financial year, and OpenAI averaged $1.5M of stock-based compensation per employee in 2025.
• Contract represents only 4% of US ML compiler listings, and a senior compiler contractor bills at $199 to $221 per hour against a $147,564 permanent median.

Base salary varies by 2.4x between the cheapest and most expensive US metro at staff level. San Francisco leads at every seniority band, but Boston now carries a credible staff market on the back of electronic design automation and photonics employers.

Table 1. Compiler engineer base salary by US metro, 2026 (USD)

Sources: national percentiles, Glassdoor, data to August 2026. Seattle, Glassdoor, September 2026. Austin, Glassdoor, 2026. Boston staff band, Orbyt Labs, September 2026, cross-checked by applying the Boston software engineering pay differential of 5.87% to the national 90th percentile, which produces $262,231 against a published median of $256,000.

The live ceiling anchor is NVIDIA’s Principal Engineer, Compilers and Formal Methods at $248,000 to $391,000 base plus equity, posted 30 September 2026. That is the highest current principal-level compiler posting in the US market.

Which US city pays compiler engineers the most?

San Francisco, at every band. Staff and principal compiler engineers there reach $300,000 to $500,000 base against $280,000 to $420,000 in New York and $166,000 to $331,000 in Seattle. The gap narrows on total compensation, because Seattle employers load more into restricted stock, and the pay structures in New York and San Francisco diverge further still once quantitative trading packages enter the comparison.

Pay accelerates between the senior and staff bands, then flattens. The 10 to 15 year band carries the steepest growth at 7.52%, while principal-level medians fell 6.58% across 2025.

Table 2. Compiler engineer pay by years of experience, 2026 (USD base)

Source: level medians, Levels.fyi End of Year Pay Report, December 2025. Posted bands from NVIDIA, Anthropic, Modular and Annapurna Labs postings, 2026.

How fast is compiler engineer pay growing?

At 4.94% for 2026, roughly double the 2.67% recorded across US software engineering generally. That figure weights the published level medians against the compiler demand mix of 60% senior, 30% staff and 10% entry. Growth concentrates at staff level because that is where supply is thinnest.

Specialism moves compiler pay more than seniority does within a band. The premiums below compare like-for-like seniority against a compiler baseline rather than against general software engineering.

Table 3. Compiler specialism salary premiums, 2026 (USD)

Sources: quantisation, Groq inference serving and compiler bands compared within employer at matched seniority, Hirebase, October 2026. GPU kernel and LLVM backend, Glassdoor, 2026. Autonomous vehicle, Waymo posted band July 2026 averaged with Zoox senior ceiling, August 2026. MLIR, NVIDIA Triton posted band, 2026. Seattle, Glassdoor, September 2026.

Which compiler skill pays the most in 2026?

Quantisation and inference optimisation, at a 27.0% premium. Groq posts Senior and Senior Staff Inference Serving Engineer roles at a $371,500 base midpoint against $292,600 for its Senior Staff Compiler Engineer, which is the cleanest comparison available because both sit at the same employer and the same level. GPU kernel engineering follows closely, and demand there tracks GPU and accelerator hiring across the Bay Area and Boston.

Why does Google TPU pay below the national compiler median?

Because Google loads compensation into equity rather than base. The posted TPU compiler band of $141,000 to $202,000 produces a $171,500 midpoint, only 16.2% above the national median. Google software engineer median total compensation is $284,000, so equity and bonus add 65.6% on top of base. Candidates comparing base-only offers consistently misread Google as the weakest payer in the set.

Equity outweighs base at staff level and above. An OpenAI L4 carries roughly $473,000 of annual equity against a $313,000 base, so cash comparisons alone misprice the offer by a wide margin.

Table 4. Compiler engineer total package by seniority, 2026 (USD)

Source: Levels.fyi company pages for Apple, OpenAI and Microsoft, October 2026. Four-year equity totals derived from annual grant values.

Table 5. 401(k) match by compiler-hiring employer, 2026

Sources: Levels.fyi 401(k) benefits index, October 2026. Microsoft US Benefits, 2026. AMD Form 10-K for the financial year ended December 2025. Synopsys Benefits, 2026. Form 5500 plan filings for Google, Meta, Amazon, Apple, NVIDIA and Cadence, 2026.

Which employer has the weakest 401(k) match?

Amazon, at 2% of pay with a three-year cliff. An engineer who leaves inside three years forfeits the entire employer balance, which makes it the most usable counter-offer lever in the Seattle market. Cadence follows at 3%. Apple’s 6% only unlocks at five years’ tenure, so a long-serving Apple engineer gives up a 100% match by moving.

Six employer types compete for the same few thousand engineers, and each prices the role differently.

Table 6. Compiler engineer base salary by employer type, 2026 (USD)

Sources: employer postings and US Department of Labor wage filing data, August to October 2026. Wage filing bases are prevailing-wage anchored and function as a reliable floor rather than a market ceiling.

Which employers pay compiler engineers the most?

Frontier AI labs, by a wide margin on both cash and equity. Anthropic posts $280,000 to $850,000 for TPU Kernel Engineers and OpenAI posts $266,000 to $445,000 plus equity for Triton compiler work. Established silicon follows, with NVIDIA bands reaching $391,000 base. Hyperscalers pay the lowest base of the six types but compete on scale and restricted stock.

The market is candidate-driven, and the constraint is seniority rather than headcount. Glassdoor listed 89 open US compiler engineer roles in July 2026 against a national pool of 2,600 to 3,900 people, roughly 0.15% to 0.23% of all 1,717,800 US software developers. Unique LLVM contributors tripled in two years to around 3,000 by October 2025, but that growth starts from a very small base and seniority lags contribution by years. Median time to first fill for a senior technical role runs around 79 days, senior roles take 37% longer than junior ones, and 44% of candidates hold multiple offers. More than half of US employers counter a resignation with money and 64% of those counters succeed.

Permanent hiring dominates and contract is not gaining ground. The 4% contract share across US ML compiler listings reflects work that cannot easily be packaged into a fixed engagement: toolchain ownership spans silicon generations, and pre-silicon design access carries confidentiality requirements that favour employment over contracting. Where contract does appear it prices at a genuine premium, with senior compiler contractors billing $199 to $221 per hour against a $147,564 permanent median. Demand for those engagements tracks accelerator bring-up cycles rather than steady-state hiring, which is the same pattern visible across AI infrastructure and high-performance computing teams.

Expect continued volatility through 2026 rather than stabilisation. The compiler-weighted growth figure of 4.94% against 2.67% for software engineering generally points to sustained upward pressure at the senior and staff end, where supply is thinnest. Posted bases for comparable work still range from $141,000 to $445,000, a spread no annual salary survey captures. Large-cap semiconductor and platform employers have converged on three to five office days a week while frontier labs have published no formal mandates, and fully remote senior engineering roles post at 8.4% below on-site equivalents on base alone. That discount widens on total compensation, because equity concentrates in on-site roles.

Step 1. Fix the compiler layer first. Separate graph compiler, kernel compiler, LLVM backend and runtime work before pulling any benchmark, because the premiums differ by up to 11 percentage points between them.

Step 2. Pull live posted bands, not survey medians. Check current postings at the four or five employers you compete with directly, since the national median of $147,564 sits far below every AI compiler posting in the market.

Step 3. Price the specialism separately from the seniority. Add the measured premium for the specific skill, ranging from 16.2% for TPU and XLA work to 27.0% for quantisation and inference optimisation.

Step 4. Convert every offer to total compensation. Include equity at grant-date value, bonus percentage and the 401(k) match, because base alone misprices a Google or Amazon offer by more than 60%.

Step 5. Model the incumbent’s unvested equity. Calculate what the candidate forfeits by moving and size a make-whole grant into the first offer, given refreshes above $150,000 at the frontier labs.

Step 6. Set the band against the 79-day clock. Fix an approved range before the search opens so no approval cycle is needed mid-process, because 44% of candidates hold a competing offer.

What is the average compiler engineer salary in the US in 2026?

The US median base salary is $147,564, with the 25th percentile at $113,326 and the 90th at $247,681 (Glassdoor, data to August 2026). AI compiler work pays well above that. NVIDIA posts $184,000 to $287,500 for senior Triton roles and OpenAI posts $266,000 to $445,000 plus equity.

How much does a senior compiler engineer earn?

Between $184,000 and $287,500 base nationally, rising to $340,000 in San Francisco and $320,000 in New York. Senior-level pay grew 4.2% across 2025. Specialism moves the figure further: quantisation and inference optimisation adds 27.0% and GPU kernel engineering adds 26.8% at matched seniority.

What do compiler engineer contractors charge?

A senior compiler contractor prices at roughly $147 per hour on a W2 basis, with agency bill rates of $199 to $221 per hour and Corp-to-Corp rates of $176 to $221. No compiler-specific contract rate survey exists, so these derive from permanent base, the Bureau of Labor Statistics benefits load and published agency markups.

Which compiler skills carry the biggest salary premium?

Quantisation and inference optimisation leads at 27.0%, measured within a single employer at matched seniority. GPU kernel engineering follows at 26.8%, autonomous vehicle toolchain work at 23.5%, and MLIR with Triton at 21.1%. LLVM backend work adds 17.1% over a general compiler baseline.

Do compiler engineers earn more at startups or big tech?

Frontier AI labs pay the most on both cash and equity, with Anthropic posting up to $850,000 and OpenAI up to $445,000 plus equity. AI chip startups pay competitively at staff level, with Groq reaching $372,400. Hyperscalers post the lowest base of any employer type.