Technical professional finance · Assumption-forward models · Not advice
STEM & Engineering Finance Desk

Model your tech money like you model systems.

RSUs, liquidity events, and retirement trade-offs explained with charts engineers can stress-test.

Assumption-Forward ModelsSources CitedNot Investment Advice

$148K

Median tech salary (BLS 2024)

4-yr

Typical RSU vesting schedule

60%

Engineers underestimate equity tax

Software engineer at standing desk with equity vesting schedule

Net Pay Estimator

Illustrative
$112,114take-home / yr68% of gross
Net Take-Home
Federal Tax
FICA / Medicare
State Tax
$

$29,043

Federal

$11,220

State

$12,623

FICA

32%

Eff. Rate

Illustrative estimate only — not tax advice. Uses simplified 2025 federal brackets and estimated state effective rates. Verify with a licensed CPA or tax professional.

RSU vesting vs. tax liability — 4-year schedule

RSU vesting vs. tax liability — 4-year schedule — Illustrative estimates only. Not financial advice.

401(k) compound growth over 30 years by contribution rate

401(k) compound growth over 30 years by contribution rate — Illustrative. Not financial advice.

Total tech compensation anatomy — base, bonus, RSU, 401k, benefits

Total tech compensation anatomy — base, bonus, RSU, 401k, benefits — Illustrative. Educational only.

What We Cover

Financial intelligence built for your profession

Equity Compensation

RSU vesting, 83(b) elections, and concentrated stock risk management

Tax-Efficient Investing

Mega backdoor Roth, after-tax 401(k), and asset location strategy

FIRE Planning

Coast FIRE projections and safe withdrawal rates for tech timelines

Comp Benchmarking

Total compensation analysis and offer comparison frameworks

Geographic Arbitrage

Multi-state tax analysis for remote workers and relocators

Equity Wealth Planning

RSUs create wealth — but only if you plan around the tax

A four-year RSU cliff vesting schedule at a major tech company can deliver $180–$300K in annual equity income. Without a withholding and diversification plan, a significant portion disappears to taxes at the wrong time.

Use the RSU tax estimator
STEM professional reviewing equity vesting schedule at home office

Practical guides and scenario tools for engineerfinance professionals — every article ships with a calculator or scenario box.

Stratum Finance — who it's for

engineerfinancial.com speaks engineer: assumptions explicit, charts annotated, edge cases listed. Coverage spans AMT pockets, early exercise gambits (educational), concentration from employer stock, and coordination with FIRE vs traditional retirement preferences. Calculators use engineer-native variable names and sensitivity tables. It must feel like a standalone quant-leaning publisher, not a rebranded household blog.

Software engineers with RSU-heavy comp

Software engineers with RSU-heavy comp · Dual-engineer households

Hardware and infra leads

Hardware and infra leads · Engineers approaching FI decisions

Staff+ IC trajectories

Staff+ IC trajectories

In practice

Questions we answer

Turn RSU/ISO complexity, liquidity events, and technical-career cash patterns into models and articles engineers trust—monetized as ads + membership with optional $99 advisor onboarding. engineerfinancial.com speaks engineer: assumptions explicit, charts annotated, edge cases listed. Coverage spans AMT pockets, early exercise gambits (educational), concentration from employer stock, and coordination with FIRE vs trad

How to read a RSU release schedule like a state machine
When mega backdoor is worth the admin pain

Featured tools

Interactive calculators and scenario planners built for this niche: every tool ships with domain-nat

engineerfinancial.com readers get calculators with assumptions, language, and examples native to their career — purpose-built for this desk, not relabeled consumer-finance tools.

Interactive

Compound trajectory lab

engineerfinancial.com readers get calculators with assumptions, language, and examples native to their career — purpose-built for this desk, not relabeled consumer-finance tools.

Future value

$1,185,264

Projected ending balance under the current compounding path.

Your contributions

$460,000

Starting capital plus every monthly contribution.

Investment growth

$725,264

The share created by compounding instead of deposits.

Output path

The line updates immediately as you change the assumptions.

Year 0 to Year 20

Year 0Year 10Year 20

Interactive

Allocation drift check

engineerfinancial.com readers get calculators with assumptions, language, and examples native to their career — purpose-built for this desk, not relabeled consumer-finance tools.

Enter current and target weights. The model normalizes them to 100% and flags any sleeve that sits outside your drift band.

equities

fixed Income

alternatives

cash

Largest sleeve

55%

Anything too dominant deserves extra governance.

Effective sleeves

2.6

A lower value means the portfolio behaves like fewer real bets.

Concentration score

0.39

Herfindahl-style concentration across the current weights.

equities

Current 55% vs target 60%

Hold

Drift: -5%. Keep this sleeve within +/-5% to stay inside the current policy.

fixed Income

Current 25% vs target 20%

Hold

Drift: 5%. Keep this sleeve within +/-5% to stay inside the current policy.

alternatives

Current 10% vs target 10%

Hold

Drift: 0%. Keep this sleeve within +/-5% to stay inside the current policy.

cash

Current 10% vs target 10%

Hold

Drift: 0%. Keep this sleeve within +/-5% to stay inside the current policy.

Interactive

Retirement runway model

engineerfinancial.com readers get calculators with assumptions, language, and examples native to their career — purpose-built for this desk, not relabeled consumer-finance tools.

Nominal balance

$3M

Raw dollars at the retirement start date.

Today's dollars

$2M

Inflation-adjusted view of the same future balance.

4% rule estimate

$130K

A quick annual draw estimate before tax planning.

Output path

The line updates immediately as you change the assumptions.

42 to 65

425365

Sustainable real income

$112K

Approximate annual spending in today's dollars if the portfolio must last through retirement.

Membership

Free reading. Calmer sessions when you want them.

Reader

$0

  • Full article and guide access
  • Standard calculators and planning tools
  • Ad-supported layouts on long-form and tool pages

Member

$4.99/month

  • No display ads across eligible templates
  • Uninterrupted tool runs and exports where implemented
  • Preference persistence when the product layer ships
  • Early access to new niche tools on this domain

Optional advisory

$99 intake

  • Helpful, bounded, compliance-aware; never pressure, never performance promises.

FAQ

How this desk works

What is Stratum Finance?

Spreadsheet-credible guidance for people who debug systems for a living and refuse hand-wavy finance copy.

Is this personalized investment advice?

No. Materials are general education and illustration. Decisions involving securities, taxes, or planning should involve your own licensed professionals.

What does membership change?

Remove ads and keep sessions focused for $4.99/month; premium modules roll in over time per roadmap.

What trust signals does this desk maintain?

Licensing disclosures; Niche-specific limitations; Privacy

What type of content lives here?

Practical guides and scenario tools for engineerfinance professionals — every article ships with a calculator or scenario box.

Contact

Contact Stratum Finance

Standalone engineer brand. Its design, vocabulary, and tools are purpose-built for technical careers — RSUs, liquidity events, AMT, and FI paths.

Fenul Wealth Management

Build your personal financial system with the same precision you bring to work

STEM professionals accumulate equity, options, and deferred comp from multiple sources. Fenul Wealth builds an assumption-transparent plan that shows every input, output, and sensitivity.

  • RSU and options tax modeling (ISO, NSO, ESPP)
  • Deferred comp and mega-backdoor Roth strategies
  • FIRE scenario modeling with sensitivity analysis
  • Multi-employer equity consolidation
Book your technical wealth review

Opens fenulwealthmanagement.com · General education only · No fiduciary relationship formed on this page