Formation

status: enrolling · checked 2026-10-08

On 2026-10-08 formation.dev had a live pricing page with three paid tiers, "Start your prep" application links, a January 2026 outcomes report for 2025 placements, and blog posts dated late September 2026. source

Formation is an open-ended, mentor-led interview prep program for experienced software engineers (1+ years required, most have 5-10+) that combines daily coding drills with on-demand mock interviews, system design coaching, and job-search support until you sign an offer. It suits engineers in the U.S. or Canada who can commit 5+ hours a week and want 1:1 coaching rather than a fixed-length class. Before paying, get the outcome-fee formula and the refund terms from the enrollment agreement itself, since the public pricing page and FAQ do not match on refunds and the outcomes data is self-reported and curated.

The facts

Category	AI and machine learning, Interview prep programs, Software engineering
Website	formation.dev
Based	San Francisco, CA
Format	online-live, online-self-paced
Programs	The Fellowship ($5,000 down plus outcome-based fee), Monthly Membership ($2,500 per month), The Diagnostic ($299 one-time 60-minute system design mock)
Length	FAQ: "Formation has no fixed length. Once you join, we support you unconditionally until you land a job you love." Typical durations are described as ranging from short stints to 4-6 months or longer; the Unlimited Membership described in the FAQ supports up to 15 months. Minimum commitment is 5 hours per week. unknown
Tuition	$5,000 to $20,000 Pricing page (https://formation.dev/pricing): Fellowship is "$5,000 down, then portion of salary gain", with the variable part "$2,500-$15,000 depending on salary increase" (so $7,500-$20,000 total if placed); Monthly Membership is "$2,500 per month", cancellable anytime, no work-eligibility requirement; Diagnostic is "$299 one-time", non-refundable, and credited in full against the Fellowship if you upgrade within 90 days. Fellowship and Monthly are limited to the U.S. and Canada. verified
Financing	upfront, installments, loan, deferred Fellowship: $5,000 upfront (or financed through Affirm, "up to 3 years, 0-~24% interest", subject to approval) plus an outcome-based fee of $2,500-$15,000 after placement that scales with salary increase; the FAQ says if you do not secure a role within six months of leaving, no outcome-based fee applies. FAQ also mentions "interest-free installment plans through Formation". Refunds: pricing page says "The Fellowship and Monthly Membership have a 7-day full refund"; the FAQ says the Unlimited Membership upfront payment is non-refundable and monthly subscriptions can be cancelled at the end of each month; the Diagnostic is non-refundable. The Terms (https://formation.dev/terms) state fees, payment schedule and renewal are set in each individual enrollment agreement, and that "All fees are non-refundable except as expressly stated". The FAQ states "We do not…guarantee you will get interviews." Sources: https://formation.dev/pricing, https://formation.dev/faq, https://formation.dev/terms.
Admission	basic assessment FAQ: "Fellows we accept must score above 470 on our entrance benchmark assessment and have a minimum of 1 year of full-time software engineering experience." Most Fellows have 5-10+ years; Fellowship requires U.S. or Canada work authorization. The Monthly Membership has no work-eligibility requirement.
Stack	Language-agnostic DS&A drills (arrays, linked lists, hash structures, recursion, stacks/queues), Systems design (load balancers, caching, message queues, scaling), AI-assisted coding interviews (prompting, reviewing AI output, debugging with AI, agent workflows), Object-oriented design, Frontend and backend tracks

Outcomes

self-reported

Median salary: "+$89K Avg. compensation increase" and "$647K Highest offer received" for 2025 placements (outcomes page); blog report: average first-year total compensation $228,862 and average increase $88,895, "Roughly two-thirds of placements were at top-tier tech companies". Reporting period: 2025. verified source

Interview-prep depth

our read of the published curriculum

5 / 5

data structures and algorithms3/3

system design3/3

mock interviews3/3

behavioral2/3

Modules page, FAQ and pricing page: adaptive daily coding drills, live mock interviews across 16 interview types booked on demand with senior engineers (the paid Diagnostic itself is a 60-minute system design mock), plus recruiter-screen and hiring-manager modules; session counts per Fellow are not published.

Job support: extensive. Modules page lists Coding Interview (personalized daily drills), AI-Assisted Coding Interview, Systems Design Interview, Object Oriented Design, Recruiter Screen, Hiring Manager Interview, Negotiation Coaching, and Job Hunt Support (resume prep, daily job matches, application tracking, outreach and referrals). FAQ: mock interviews cover 16 interview types including DS&A, systems design, behavioral and AI-assisted coding; homepage: "Book mock interviews and mentor sessions from day one" with "staff-level mentors and hiring managers", plus "Matched roles in your inbox daily, negotiation support, and career intel until you sign."

Whatever the program covers, the interview itself is free to prepare for here: coding patterns, system design, practice prompts, company guides.

What a careful reader should know

on the record

Legal entity per the Terms is Formation Labs Inc., a Delaware corporation in San Francisco; founding year is not stated on the site. The outcomes page says the placements shown are "a curated set of actual Fellow placements, selected to show a range of experience levels and locations. It is not every outcome, not a statistical sample" and that "some data is self-reported or otherwise unaudited"; the 2025 report covers "Fellows who submitted placement data during the 2025 calendar year" and publishes no placement rate, denominator, time-to-offer, or count of Fellows who did not land a role. Compensation figures "may include base salary, first-year signing bonus, target performance bonus, and first-year public equity value". The Fellowship's outcome-based fee is a capped $2,500-$15,000 "portion of salary gain" rather than a classic percentage-of-income ISA; the exact formula lives in the enrollment agreement, not on the public site. The pricing page and FAQ disagree on refundability of the upfront payment (7-day full refund vs non-refundable), so confirm in writing. Course Report and SwitchUp pages for Formation returned 404 on 2026-10-08.

Disclosure: this program runs an affiliate scheme and techinterview.org may earn a commission through this link. It did not affect anything written above.

Sources (12)

This directory takes no lead fees or placement payments from any program. Where a program runs an affiliate scheme we say so on its page and mark the link. Facts carry a badge: verified means we read it on a primary source on the date shown, reported means a third party said it, unknown means nobody we trust has published it.

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