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HomeCompaniesParafinSenior Software Engineer, Merchant Decisioning

Senior Software Engineer, Merchant Decisioning

Parafin · San Francisco, CA · Hybrid · Active · $230,000–$265,000 / year · Ashby

Job facts

FieldValue
CompanyParafin
TitleSenior Software Engineer, Merchant Decisioning
Normalized title-
Department / teamEngineering / Engineering
LocationSan Francisco, CA, United States
Work modelHybrid / Hybrid
Employment typeFull Time
Salary$230,000–$265,000 / year
Statusactive
ATS providerAshby
Posted / first seen / 2026-05-29
Changed / last seen2026-05-29 / 2026-06-06

Related slices

PageWhat it containsOpen
Company jobsActive postings from Parafin.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Ashby.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in San Francisco.Open
Department jobsActive postings in Engineering.Open
Work model jobsActive Hybrid postings.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyParafin
Source6bde73b9-3a52-4460-999f-86ada4ddcb69
ATS providerAshby

Description

About Us: At Parafin, we’re on a mission to grow small businesses. Small businesses are the backbone of our economy, but traditional banks often don’t have their backs. We build tech that makes it simple for small businesses to access the financial tools they need through the platforms they already sell on. We partner with companies like DoorDash, Amazon, Worldpay, and Mindbody to offer fast and flexible funding, spend management, and savings tools to their small business users via a simple integration. Parafin takes on all the complexity of capital markets, underwriting, servicing, compliance, and customer service for our partners. We’re a tight-knit team of innovators hailing from Stripe, Square, Plaid, Coinbase, Robinhood, CERN, and more — all united by a passion for building tools that help small businesses succeed. Parafin is backed by prominent venture capitalists including GIC, Notable Capital, Redpoint Ventures, Ribbit Capital, and Thrive Capital. Parafin is a Series C company, and we have raised more than $194M in equity and $340M in debt facilities. Join us in creating a future where every small business has the financial tools they need. We are looking for an experienced software engineer to join the merchant decisioning team and build a scalable platform/infrastructure that is critical for underwriting and decisioning hundreds of thousands of businesses on a daily basis. As part of the team, you will be working closely with Data Science, Growth and Risk stakeholders to efficiently serve the product initiatives that serve Parafin’s portfolio and empower stakeholders with controls to determine Parafin’s growth and bottom line. Are you an excellent software engineer with a drive to solve impactful and difficult problems and eager to build the merchant decisioning platform for an ambitious and growing startup? If so, come join us! What You’ll Be Doing: You will own our Python-based underwriting and application decisioning product and drive its development. You will closely define the architecture and underlying infrastructure all the way from the technologies we use to the design principles that we apply. You will work closely with our data scientists to build a platform that is reliable, scalable, and easily iterable. You will be integrating ML Infrastructure into the platform to make DS-driven decisioning more powerful and intelligent. What We’re Searching For: 5+ years of experience working in an engineering role You care deeply about building high-quality infrastructure with relevant experience and take immense pride in your craft. You are comfortable owning and driving the development of the product from 0 to 1. You thrive in ambiguity and have a strong grasp of engineering fundamentals. You are excited about working on a small team and helping us set the foundations for the company. What We Offer: Salary Range: $230k-$265k Equity grant Medical, dental & vision insurance Work from home flexibility Unlimited PTO Commuter benefits Free lunches Paid parental leave 401(k) Employee assistance program If you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please contact us.

Full job record

Job IDc718997b394df39e9fbe4ff4665ed16236c93cc2
Org IDda88721d-a5c3-4458-a711-7a304058f7fa
Source ID6bde73b9-3a52-4460-999f-86ada4ddcb69
Board ID6bde73b9-3a52-4460-999f-86ada4ddcb69
Providerashby
Provider Job Keyed17e3cc-aa2c-431e-bced-2ef574cec16f
TitleSenior Software Engineer, Merchant Decisioning
Normalized Title
Statusactive
Activeyes
Location TextSan Francisco, CA
DepartmentEngineering
TeamEngineering
Employment Typefull_time
Workplace Typehybrid
Remote Policyhybrid
CountryUnited States
RegionCA
CitySan Francisco
Salary RawSalary Range: $230k-$265k Equity grant Medical, dental & vision insurance Work from home flexibility Unli
Salary Min230,000
Salary Max265,000
Salary CurrencyUSD
Salary Periodyear
Source URLhttps://jobs.ashbyhq.com/parafin/ed17e3cc-aa2c-431e-bced-2ef574cec16f
Apply URLhttps://jobs.ashbyhq.com/parafin/ed17e3cc-aa2c-431e-bced-2ef574cec16f/application
First Seen At2026-05-29 06:09:56Z
Last Seen At2026-06-06 09:07:47Z
Last Checked At2026-06-06 09:07:47Z
Last Changed At2026-05-29 06:09:56Z
Inactive At
Source Posted At
Source Updated At
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=ashby/board=parafin/date=2026-06-06/2026-06-06T09-07-27-791Z-084dbb6258fc6e7ae2d2d6f3d8226a68863309194ead6326c72f74bcf79d1be9.json
Event Fields
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  "last_changed_at": "2026-05-29T06:09:56.836Z",
  "active_status": "active"
}
Parsed Structured
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    "region": "CA",
    "country": "United States",
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    ]
  },
  "remote_policy": "hybrid",
  "salary_period": "year",
  "workplace_type": "hybrid",
  "salary_currency": "USD"
}
Extensions
{}
Native Structured
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  "team": "Engineering",
  "title": "Senior Software Engineer, Merchant Decisioning",
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  "address": null,
  "applyUrl": "https://jobs.ashbyhq.com/parafin/ed17e3cc-aa2c-431e-bced-2ef574cec16f/application",
  "isListed": true,
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  "location": "San Francisco, CA",
  "updatedAt": null,
  "apiVersion": "ashby-non-user-graphql-v1",
  "department": "Engineering",
  "publishedAt": null,
  "workplaceType": "Hybrid",
  "employmentType": "FullTime",
  "secondaryLocations": []
}
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