PRIVATE · 2021 MARK · MoonPay

Senior Blockchain Engineer

New York hybrid engineer on transaction broadcasting, stuck transactions, and multi-step swaps. Salary band $150,000–$210,000, currency not named. The last priced round we will cite is November 2021 at $3.4 billion.

You are deciding whether to take a hybrid New York engineering seat on a salary band of $150,000–$210,000 that does not name a currency, at a company last priced at $3.4 billion in 2021.

Blockchain Lab analysis, for a candidate deciding whether to apply. We are not the employer. Compensation on this posting: Employer-stated salary band: $150,000–$210,000. The posting does not name the currency..

Since created

56 days — confirm the req

Equity

Private. Illiquid.

Last priced mark

$3.4 billion

Where

New York - Hybrid

Status: Open on the employer board — checked 2026-10-06
Posting created: 2026-08-11 · 56 days before this check
Location: New York - Hybrid
Remote eligibility: New York — hybrid. Not a remote contract.
Employment: Not disclosed
Compensation: Employer-stated salary band: $150,000–$210,000. The posting does not name the currency.
Experience, as stored: Production systems with real uptime, and hands-on work against a live chain, including the transaction lifecycle and failure recovery. A year count is not stated.
Board updated: Not disclosed. Lever’s public record gave a created date, not a later edit.

Apply on the employer site The company

Event indexer with reconciliationDrop the duplicate, net 45

Decision board

Blockchain Lab analysis

Apply if

You have operated production systems and touched a live chain, including failure and retry.
You can do New York hybrid. The location line says so.
You can hold a five-year-old valuation lightly.

Do not apply if

You want remote.
You will assume the band is USD without asking.
You want a protocol-research seat. This is production money movement.

You would own

Broadcast, recovery, wallet automation around that path, and the off-chain services that talk to contracts.

You would not own

It does not own a 2026 valuation, a remote policy, or a currency the posting omitted.

What they wrote, and what we read

Employer stated

Design broadcasting pipelines. Detect, retry, rebroadcast, and recover stuck transactions.

Reading

The job is the unhappy path. A candidate who demos only the happy path has missed the posting.

Employer stated

State machines for partial failure across chains. Price impact, liquidity, MEV awareness.

Reading

Non-atomic flows are where customer funds get stranded. That is the design problem.

Employer stated

Salary bands: $150,000–$210,000.

Reading

No currency word, no geography inside the sentence, no bonus policy. New York hybrid is the location. Ask before you convert it in your head.

Reuters and the company, in November 2021, described a $555 million Series A led by Tiger Global and Coatue at a $3.4 billion valuation. Ivan Soto-Wright is the co-founder and CEO on that coverage. MoonPay said then that it was profitable. That sentence is from 2021. Do not carry it forward. The posting now claims 30 million-plus customers, 500-plus partners, a US licence, and regulation in the UK, EU, Canada, and Australia. Those are employer claims.

The engineering text is more useful than the brand text. Stuck transactions, parallel sends, and multi-step swaps are a real production job. Hybrid New York is a real constraint. The band without a currency is the tell: ask in the first conversation.

Ninety days — illustrative

Not the employer’s onboarding plan.

Days 1–30: learn how a stuck transaction is detected today. Do not rewrite the pipeline yet.
Days 31–60: one recovery path with a test that fails if you broadcast twice.
Days 61–90: an incident note that includes MEV or price impact, if the system actually sees it.

A week you can rehearse

Explain replace-by-fee or a stuck nonce without a blog post.
Draw a two-chain flow that dies in the middle.
Ask the currency of the band.

Ask them

Is $150–210k US dollars, and is it base?
How many days a week is hybrid, and in which office?
What valuation is on the equity, given 2021 is the last priced round we can cite?

Walk away if

They name a currency that is not on the posting and will not put it in the offer.
Hybrid means remote.
The pipeline has no production traffic.

Proof you can build before you apply

The registry or settlement lab, aimed at a retry that must not double-send. Illustrative.

Event indexer with reconciliationDrop the duplicate, net 45

The company you would actually join

Blockchain Lab analysis

Public reporting and the employer’s own releases. Not a relationship with Blockchain Lab. Not a credit opinion.

Founded: 2019. Ivan Soto-Wright is co-founder and CEO, in Reuters' account of the round.
Base: New York — hybrid. Not remote.
Status: Private. No later priced round is cited here.
People: The posting says 30 million-plus customers and 500-plus partners, licensed in the US and regulated in the UK, EU, Canada, and Australia. Employer-stated.

MoonPay's 2021 round was one of the loudest of that year: $555 million at $3.4 billion, two and a half years after founding, called profitable by Reuters in the same piece. The band on this seat is $150,000 to $210,000 with no currency word, hybrid New York, for a senior blockchain engineer whose actual work is ugly in the useful way: broadcasting at volume, detecting stuck transactions, retrying without doubling, handling flows that cross chains and are not atomic, and noticing MEV and price impact. That is a production job. The posting also says AI is the default operating mode. Believe the failure-mode paragraphs more than the AI paragraph.

Five years is a long time to carry a $3.4 billion mark with no public reset. This brief will not invent a down round or an up round to fill the silence. Employee equity from 2021 and a new grant in 2026 are not the same security. Ask. The customer count the company now prints is much larger than the one attached to the round. Larger is not the same as more valuable, and it is not the same as the New York team being the team that owns the stuck-transaction path. Ask who pagers it.

Founders

Ivan Soto-Wright

Co-founder and CEO

He told Decrypt in 2021 the mission was to collapse a partner's time-to-market from a year to weeks. The company that hired against a $3.4 billion mark is the company posting a hybrid blockchain seat in New York now. Ask what changed in the product, not for the mission statement again.

What the company sells

On and off ramps

The original product: buy and sell crypto inside someone else's app. The 2021 coverage described that business as already profitable. That adjective is five years old.

The four verbs

The posting now says fund, tokenize, trade, and spend. The seat is the transaction machinery under those verbs: broadcast, retry, stuck transactions, multi-step flows.

Scale claims

30 million-plus customers, 500-plus partners. The employer's current scoreboard, not the seven million customers Decrypt quoted in 2021.

Capital

Last priced mark

$3.4 billion

22 November 2021. No newer round in this brief.

That round

$555 million

Series A. Tiger and Coatue led.

This seat's band

$150k–$210k

Labeled a salary band. Currency not named.

Customers, then and now

7 million, then 30 million+

2021 coverage versus the 2026 posting. Different sentences, both employer-side.

22 Nov 2021
Series A
$555 million at $3.4 billion
Reuters and the company's announcement, as reported by Decrypt: led by Tiger Global and Coatue. Also Blossom, Thrive, Paradigm, and NEA. Equity-only. Post-money $3.4 billion. Decrypt quoted more than $2 billion processed and about seven million customers at the time. Compare that, carefully, with the posting's 30 million-plus customers now. Growth in users is not growth in the mark.

What should change your mind

A 2021 valuation as the only mark.
Currency missing on the band.
Hybrid New York. The posting is not a remote offer.
Non-atomic cross-chain flows. The incident is a partial fill. The posting names it. So should you.

Ask them

Is the band USD, and is it base salary?
What happened to the $3.4 billion mark, and what would a new grant be struck at?
How many days in the New York office?
Who owns stuck-transaction recovery today, and what is the last incident?

Sources

If a figure is not in those sources, it is not in this brief on purpose.

What the employer actually wrote

Employer stated. Senior blockchain engineer in New York, hybrid: broadcast pipelines, stuck-transaction recovery, wallet automation, and multi-step flows that are not atomic.

Design and improve high-volume transaction broadcasting pipelines.
Detect, retry, rebroadcast, and safely recover stuck transactions.
Implement safe parallel transaction handling.
Design state machines and recovery strategies for partial failure scenarios.
Support routing mechanics and swap execution considerations such as price impact, liquidity changes, including MEV awareness.

Source: the employer’s public Lever record, job 2856b9f2-8c45-48db-b34b-c48d8ab9affe. Open the original. First seen by this desk 2026-10-06. Nothing above the fold is a substitute for that page.

A reading of the work

Blockchain Lab analysis. These lines are a reading of the advertisement. They are not extra hiring requirements.

A retry that rebroadcasts a replacement transaction can double-spend the user’s intent. Say how you prevent that.
The posting names MEV and price impact. That is execution risk, not a blog topic.
The band has no currency word. Ask, in writing, before you compare it.

Still not disclosed

Anything the compensation line does not already quote. A printed band is the employer’s sentence for the place they named — not a Blockchain Lab estimate, and not a promise for every location on the posting.
A later edit date. Lever exposed when the posting was created, not when it was last refreshed.
Which countries may apply. “Remote” alone is not worldwide eligibility. If the employer wrote a country or a region, that sentence is theirs — still ask which entity can hire you.
Visa sponsorship, the real on-call rota, and the employing subsidiary, unless the posting already named them.

Not a recommendation to apply. Not an employer assessment. Figures from public reporting move, and a database is not a filing. How this desk labels evidence. Report a listing.

MoonPay · New York - Hybrid · pay employer-stated salary band: $150,000–$210,000. the posting does not name the currency.

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