Quick Facts
Affirm internship · at a glance
SWE Intern and SWE (Machine Learning) Intern posted October 2, 2026. Apply early, and check the portal for every live role.
Before you applyWould your profile get you in?6 questions, under a minute. Compared with real interns who landed similar roles.Check my oddsAlso in this guide
Put real project work on your résumé, with the Wayfair AI Agent Engineering Externship or the TruBridge Healthcare Data Analytics Externship.
Explore all externships →All quick facts
| Fact | Detail |
|---|---|
| Where to apply | Affirm's Greenhouse job board and the university recruiting page. Both summer 2027 intern roles are live there now (posted October 2, 2026). Apply this week |
| Application window (2027–28) | Open now for summer 2027: SWE Intern and SWE (Machine Learning) Intern posted October 2, 2026. No deadline is published; last cycle the priority deadline fell around October 15 and the final deadline in mid-December, so expect the summer 2027 cutoffs to land later in fall 2026 |
| Rolling? | Semi-rolling. No summer 2027 priority deadline is published; last cycle's priority date fell around October 15 and carried 3 to 4 times higher interview rates, so apply early. The small class size means positions can fill quickly once offers begin in late October |
| Eligibility | Enrolled in an accredited Bachelor's or Master's program, junior or senior preferred. CS or related field. Minimum 3.3 GPA preferred. At least one semester remaining after the internship |
| Duration | 12 to 16 weeks, full-time, typically May/June through August. Hybrid in-office Tuesday through Thursday |
| Compensation | $55 per hour (~$9,500/month). Housing stipend of $1,500 to $3,000/month depending on location. ~$500 WFH setup stipend and internet reimbursement. Levels.fyi confirms $55/hr for Summer 2026 in San Francisco |
| Visa sponsorship | Built In listing stated no visa sponsorship for interns, but F-1 CPT may be accepted. Full-time roles support H-1B, TN, F-1 OPT, and permanent residence. Confirm directly with Affirm recruiting |
| Locations | San Francisco, CA (primary intern hub). Hybrid: in-office three days per week, Tuesday through Thursday. Other offices in NYC, Pittsburgh, and Chicago, though intern placement outside SF is less common |
| # Programs | 2 to 3 tracks: Software Engineering Intern (flagship), Security Intern, and the Software Engineer Early Career new-grad pipeline for returning interns |
Last updated: November 2026
Affirm processes Buy Now, Pay Later transactions for Amazon, Shopify, Walmart, and Target, yet its Summer 2026 SWE intern class was roughly four people, putting the acceptance rate under 2%. For the 2027–2028 cycle (you apply during 2026, you intern in summer 2027), applications are open now: Affirm posted its Software Engineer Intern (Summer 2027) and Software Engineer (Machine Learning) Intern (Summer 2027) roles on October 2, 2026. Last cycle's priority deadline fell around October 15, and applicants who submitted before it historically saw 3 to 4 times higher interview conversion, so apply this week.
What Is an Affirm Internship?
An Affirm internship is a paid, full-time, 12- to 16-week placement that puts students directly on production engineering teams building the financial infrastructure behind Buy Now, Pay Later for hundreds of millions of consumers. Founded by PayPal co-founder Max Levchin, Affirm is a publicly traded fintech (NASDAQ: AFRM) partnered with Amazon, Shopify, Walmart, and Target. Interns work hybrid in Affirm's San Francisco office three days a week and are paired with a mentor from day one. The program is intentionally small, roughly four SWE interns per cycle, which means each intern owns meaningful production-scope work rather than a sandbox exercise. Reddit users frequently compare Affirm against Microsoft, Amazon, and Stripe when choosing between offers, and the consensus tilts toward Affirm for total compensation upside. Roughly 60 to 75% of engineering interns receive full-time return offers, and the entry-level total compensation at Affirm's L4 level averages around $203,000, making the internship a direct pipeline into one of the highest-paying fintech new-grad roles on the market.

When Do Affirm Internship Applications Open for 2027–2028?
Affirm's internship calendar follows a two-wave pattern. For the Summer 2026 cycle, diversity pipeline applications (ColorStack, Rewriting the Code, Out in Tech) opened in late August 2025, general applications followed in mid-September, and a priority deadline fell around October 15. First offers went out by late October, with remaining interviews running through December and January. The Summer 2027 cycle opened later than that pattern: the SWE and ML intern roles went live on October 2, 2026, about two weeks after last cycle's mid-September opening, and no summer 2027 priority deadline is published yet. The critical insight: applicants who submitted before last cycle's October 15 priority deadline saw 3 to 4 times higher interview conversion rates, and with only roughly four SWE seats per cycle, that window closes fast.
Applications for summer 2027 are open: the Software Engineer Intern and Software Engineer (Machine Learning) Intern roles went live on Affirm's Greenhouse board on October 2, 2026. Apply now, before the priority cutoff that fell around October 15 last cycle.
Summer 2027 SWE and ML intern applications opened on Affirm's Greenhouse board, about two weeks later than last cycle's mid-September opening. No priority date is published for summer 2027; last cycle it fell around October 15, so submit as early as you can for the 3 to 4 times higher interview conversion.
First offer wave in late October. Online assessments (HackerRank or CodeSignal) sent to qualified applicants. Recruiter phone screens and technical interviews run through December. Final application deadline around mid-December 2026.
Remaining offers extended. Virtual onsites (2 to 3 hours with coding and behavioral rounds) for later-stage candidates. With only roughly 4 SWE seats, most are filled by this point.
12 to 16 weeks, full-time, May/June through August. Hybrid in San Francisco, in-office Tuesday through Thursday. Perform well and the 60 to 75% return-offer rate becomes your number.
How to read this page: our dates come from tracking previous recruiting cycles and daily posting data. Treat them as informed estimates based on historical patterns, not confirmed dates. The company's official careers page is always the most current source. If a role is posted there, go by that, even if this page suggests the window hasn't opened yet.
Why You Must Apply the Week Applications Open
Semi-rolling review with a priority deadline is the mechanism. In the summer 2026 cycle Affirm opened diversity pipeline applications in late August and general applications in mid-September, with a priority deadline around October 15; the summer 2027 roles went live on October 2, 2026. Applicants who submit before the priority date historically convert at 3 to 4 times higher interview rates. Why? With a class size of roughly four SWE interns and first offers going out by late October, early submissions face more open seats and fresher recruiter attention. By mid-December, the final deadline passes and most positions are already spoken for. So set alerts on Affirm's Greenhouse board and the university recruiting page, and submit now that the summer 2027 postings are live. A referral from a current Affirm employee increases your interview probability by an estimated 50 to 70%, so reach out before you apply rather than after.
Which Affirm Internship Programs Should You Target?
Affirm runs a deliberately small internship program focused primarily on engineering. The company fills roughly four SWE intern seats per summer cycle, making it one of the most selective fintech internships by headcount. The Security Intern track carries even fewer seats. Which track should you target? The honest answer is whichever one your portfolio already evidences, because every round evaluates mission alignment alongside technical ability.
| Program | Focus | Duration | Key skills |
|---|---|---|---|
| Software Engineering Intern | Production systems for BNPL: payment processing, underwriting, consumer-facing products using Python, Kotlin, Java, React, and AWS | 12 to 16 weeks | Python / C++ / Java, data structures & algorithms, OOP, React, API development |
| Security Intern | Information security across Affirm's financial infrastructure, including fraud prevention and compliance systems | 12 to 16 weeks | Security fundamentals, Python, network protocols, risk analysis |
| Software Engineer, Early Career (New Grad Pipeline) | L4 entry-level engineering role and the natural pipeline for returning interns. ~$203K total compensation | Full-time | Same technical stack as intern role, plus system design and production ownership |
See every open role on Affirm's Greenhouse board and the university recruiting page. Note the fintech engineering tilt: Affirm's engineering blog highlights ongoing investment in underwriting ML, payment infrastructure, and real-time transaction systems, so backend and data-heavy roles may carry more seats than in prior cycles.
What Are the Eligibility Requirements?
Affirm's requirements are consistent across intern postings, though the small class size raises the effective bar:
• Enrollment: actively enrolled in an accredited Bachelor's or Master's program. Juniors and seniors preferred. CS or a related technical field required.
• GPA: 3.3 or above on a 4.0 scale preferred. Not a hard cutoff, but the small class size means strong academics carry more weight than at larger programs.
• Graduation window: must have at least one semester remaining after the internship. Graduating seniors are redirected to the Early Career new-grad pipeline.
• Work authorization: the Built In listing stated no visa sponsorship for interns, but F-1 students with CPT authorization may be eligible. Full-time roles support H-1B, TN, F-1 OPT, and permanent residence. Confirm directly with Affirm's recruiting team before applying.
• Location: San Francisco, hybrid in-office three days per week (Tuesday through Thursday). Affirm is remote-first for full-time employees, but the intern program requires in-person collaboration.

How Selective Is Affirm Compared to FAANG?
Affirm's acceptance rate of under 2% for engineering interns is tighter than many FAANG programs in raw percentage terms, driven entirely by the tiny class size rather than a uniquely difficult bar. The company hired roughly four SWE interns for Summer 2026. Referrals increase interview probability by an estimated 50 to 70%, and diversity pipeline applicants (ColorStack, Rewriting the Code, Out in Tech) gain early access before general applications open. Reddit comparisons frequently pit Affirm against Microsoft, Amazon, and Stripe, and the consensus favors Affirm for total compensation upside on return offers.
Profile Match · Extern Data
Could You Get In at Affirm? Compare Your Profile
Based on 403 software engineering interns who started their first software internship between 2024 and 2026 (public LinkedIn profiles, aggregated). Six questions, under a minute.
Which summer are you applying for?
Recruiting timelines differ by class year, so we compare you with the right group.
Which group is your school closest to?
Firms recruit on campus in tiers. We match you against admits from schools like yours.
Is your major computer science, software engineering, data science or electrical engineering?
Almost every software intern in our data studied one of these. Other majors get in, but the coursework has to show elsewhere.
How many internships, externships or research positions have you held so far?
Count anything with a real employer, mentor or principal investigator attached. Retail and food service do not count.
Has any of that experience been tech-related?
Software, data, IT, engineering or a research lab. Any size of company counts.
Do you have at least one project on your resume or LinkedIn?
Personal, class, hackathon or open-source projects all count.
Aggregated from public LinkedIn profiles of people who held the internship. No individual profile is shown. Read the cross-industry study of 2,500+ intern profiles.
What Skills Does Affirm Look For, and How Do You Build Them?
Read across four Affirm intern job descriptions and interview breakdowns from Built In, Taro, and Glassdoor, and the pattern is clear. Programming in Python, C/C++, or Java appears in every posting. Data structures and algorithms show up in every technical round, with hash maps and dictionaries cited as the single most-tested topic. Object-oriented programming is listed as a core requirement, while frontend skills (React, JavaScript) and AWS experience appear as preferred qualifications. But the skill list only tells half the story. Affirm's recruiter screen probes for mission alignment with 'Deliver honest financial products that improve lives,' and roughly one in three technically qualified candidates are filtered at the values stage. So bring the coding, then wrap every story in ownership and user impact.
What Affirm looks for in interns
Skills across 4 Affirm intern & analyst job descriptions · 2025–26 cycle Affirm intern JDs and interview reports, projecting 2026–2027
Method: full-text analysis of four Affirm intern job descriptions and technical interview reports across SWE and Security roles. Prior-cycle basis; Affirm's four core values (People Come First, No Fine Print, It's On Us, Simpler is Better) are evaluated in recruiter and behavioral rounds rather than listed as JD qualifications.
How Is Demand for Software Engineering Interns Moving Right Now?
Software engineer intern postings · Jul–Oct 2026
all internships 2.5×
For Affirm applicants: Software engineer intern hiring is at or near its season high, in step with internships overall; this is the busiest stretch of the cycle, so get Affirm applications in now.
Daily US job-posting counts, Jul–Oct 2026; each bar is that month's daily average. Growth = October vs July; “all internships” = the 48 intern searches tracked across the whole period. Covers under half of US postings; shows direction, not market size.
Build These Skills Before You Apply
And every skill in that chart maps to a remote Externship where you finish a real project while the summer 2027 roles are open.
| Skill (from real JDs) | JD evidence | Externship that builds it |
|---|---|---|
| Programming, data structures & algorithms | SWE JDs: "proficiency in Python, C/C++, or Java" and "strong foundation in data structures and algorithms, object-oriented programming" | Wayfair AI Agent Engineering |
| Data analysis, SQL & fintech analytics | Interview reports: "ledger/transaction logic, loan book design, hash maps and dictionaries" | TruBridge Healthcare Data Analytics |
| API development & cloud infrastructure | Preferred qualifications: "API development and documentation, AWS or other PaaS platform experience" | Wayfair AI Agent Engineering |
How close is the overlap? The Wayfair project is agent-engineering work that yields the build-and-explain evidence Affirm's technical and values-based interviews probe for, and the TruBridge project ends on the data-analysis story a behavioral round wants.
What Is the Affirm Application and Interview Process Like?
Affirm's funnel is a multi-stage loop spanning 4 to 6 weeks from application to offer:
1. Apply on Affirm's Greenhouse board. Search for internship roles under University Recruiting. The Summer 2027 SWE and ML intern roles are live now (posted October 2, 2026); submit before the priority cutoff, which fell around October 15 last cycle, for 3 to 4 times higher interview rates. Diversity pipeline candidates (ColorStack, Rewriting the Code, Out in Tech) can also apply through those partners. Secure a referral from a current Affirm employee before submitting; referrals increase interview probability by an estimated 50 to 70%.
2. Complete the Online Assessment (60 minutes). A HackerRank or CodeSignal assessment with three coding questions. Target a score above 700 to 725 on CodeSignal's General Coding Framework to advance. Topics focus on arrays, strings, hash maps, and sliding windows. About 80 to 85% of applicants are filtered at the resume and OA stage.
3. Recruiter phone screen (30 minutes). A non-technical call assessing mission alignment, communication, and motivation. Expect questions like 'Why Affirm?' and 'Tell me about a project you are proud of.' Pass rate is approximately 60%.
4. Technical interview (45 to 60 minutes). One LeetCode-medium problem on CoderPad or HackerRank with a mid-level engineer. Emphasis on data structures, algorithms, hash maps, and fintech-flavored transaction logic. Communicate your thought process throughout.
5. Virtual onsite (2 to 3 hours, for some candidates). A second coding challenge plus a behavioral and values interview. Some reports indicate a system design component covering Affirm-relevant scenarios like transaction systems or loan book design. The hiring manager makes the final decision after collecting interviewer feedback. Offers typically arrive within one to two weeks.
So the two skills to drill are clear: data-structures fluency for the OA and technical rounds (LeetCode mediums on arrays, hash maps, trees, and recursion until a 700+ CodeSignal score is automatic), and three to four STAR stories tied to Affirm's four values: People Come First, No Fine Print, It's On Us, and Simpler is Better. AI use in Affirm interviews is strictly prohibited, so rehearse without tools. And remember: 60 to 75% of interns get return offers at an L4 total compensation averaging $203,000, so interview like the full-time seat is already on the table.
What Students on Reddit Say
Three community threads show the process and reputation from the inside, all paraphrased.
When choosing between Affirm and Microsoft for internships, the community leans toward Affirm for significantly better total compensation on return offers and a stronger fintech engineering reputation, though Microsoft offers broader brand recognition and a larger intern cohort.
Students interviewing for Affirm's SWE internship note that the process moves slowly due to headcount constraints, with long gaps between the online assessment and recruiter screen; those who advanced describe a clean three-question OA followed by standard technical rounds.
In comparisons between Affirm and Amazon, the community highlights Affirm's stronger new-grad compensation and negotiation leverage from a return offer, noting that the smaller company gives interns more ownership over production code and direct access to senior engineers.
Think you’re ready for an interview at Affirm?
Affirm's first conversation is a 30-minute non-technical recruiter screen, after a 60-minute coding assessment. Three rounds, honest feedback on every answer, no sign-up.
You check whether a username is taken millions of times a day. Which structure gives the fastest lookups?
How Do You Stand Out When Affirm Hires Roughly 4 SWE Interns?
Three moves, starting now that the roles are open. First, submit the general application this week (the summer 2027 roles went live October 2, 2026) or apply through a diversity pipeline (ColorStack, Rewriting the Code, Out in Tech): semi-rolling review plus an under-2% acceptance rate means timing and prep beat prestige, and a referral from a current Affirm employee increases your interview odds by 50 to 70%. Second, clear the HackerRank or CodeSignal OA on purpose: drill LeetCode mediums on arrays, hash maps, sliding windows, and tree traversal until a 700+ score is automatic, because the OA is where 80 to 85% of applicants fall. Third, bring values-aligned stories backed by real artifacts, because Affirm's recruiter screen and behavioral rounds probe for mission fit with 'Deliver honest financial products that improve lives.' 'Tell me about a time you prioritized the user over the shortcut' needs a deliverable, not a hypothetical. And remember: 60 to 75% of interns get return offers at $203,000+ total compensation, so interview like the full-time seat is already on the table.

What Other Companies Should You Consider?
Affirm is not the only fintech company hiring on a fall-rolling calendar. If you are building a fintech-internship list, these are the obvious neighbors:
- StripePayments infrastructure leader with a larger intern cohort and a comparable technical barGuide →
- PayPalBNPL competitor (Pay Later) with broader product scope and more intern seats across functionsGuide →
- CoinbaseCrypto exchange with strong engineering culture and fintech-adjacent infrastructure workGuide →
- RampCorporate card and expense management fintech with a fast-growing engineering teamGuide →
- SoFiConsumer fintech with lending, investing, and banking products and a larger intern programGuide →
For the wider field, see our finance internships summer 2027 guide.
Our tech internships summer 2027 guide maps the whole landscape, timeline by timeline.

FAQ
When do Affirm internship applications open for summer 2027?
They are open now. Affirm posted its Software Engineer Intern (Summer 2027) and Software Engineer (Machine Learning) Intern (Summer 2027) roles on its Greenhouse board on October 2, 2026. No deadline is published; last cycle the priority deadline fell around October 15 and the final deadline in mid-December, so apply as early as you can.
How much does an Affirm internship pay?
Affirm SWE interns earn $55 per hour, approximately $9,500 per month. A housing stipend of $1,500 to $3,000 per month is provided depending on location, plus a roughly $500 WFH setup stipend and internet reimbursement. Levels.fyi confirmed $55 per hour for Summer 2026 in San Francisco.
What is the acceptance rate for Affirm internships?
Under 2% for engineering interns. Affirm hired approximately 4 SWE interns for Summer 2026. Referrals increase interview probability by an estimated 50 to 70%, and submitting before the priority deadline yields 3 to 4 times higher interview conversion.
What is the Affirm internship interview process like?
You apply, complete a HackerRank or CodeSignal OA (3 coding questions, target 700+ score), then a 30-minute recruiter phone screen, a 45- to 60-minute technical interview on CoderPad, and for some candidates a 2- to 3-hour virtual onsite with a second coding challenge and behavioral round. Offers arrive within one to two weeks of the final round.
Does Affirm sponsor visas for interns?
The Built In listing stated no visa sponsorship for interns, but F-1 students with CPT authorization may be eligible. Full-time roles support H-1B, TN, F-1 OPT, and permanent residence. Confirm directly with Affirm's recruiting team before applying.
Do Affirm interns get return offers?
Yes. Historically 60 to 75% of engineering interns receive full-time return offers, though the rate is increasingly performance-dependent. Return offers are typically extended in late August. Entry-level (L4) total compensation averages around $203,000, with one Reddit data point reporting $270,000 in year one.
Is the Affirm internship remote or in-person?
Hybrid. Interns are required to work in-office three days per week, Tuesday through Thursday, at Affirm's San Francisco office. While Affirm is remote-first for full-time employees, the intern program emphasizes in-person collaboration.
How does Affirm compare to FAANG for internships?
Affirm's acceptance rate of under 2% is tighter than many FAANG programs in percentage terms, driven by the tiny class size. Reddit users consistently note that Affirm's return-offer total compensation is stronger than Microsoft and comparable to Amazon, with more production ownership and direct senior-engineer access. The trade-off is a smaller cohort and less brand recognition outside fintech.
Affirm hires roughly 4 SWE interns per cycle, but every seat is won one rolling decision at a time. Spend the runway building proof: a remote Externship turns 'interested in Affirm' into a finished project you can point at in your application this fall.
About the Author
Bifei Wang has spent 17 years focused on human flow and the growth of young professionals, spanning international education, career training and coaching, and recruitment process outsourcing. Over 7 years at Extern, he has had one-on-one sessions with thousands of students exploring careers in consulting, finance, tech, marketing, and data, giving him a firsthand view of how the job market has shifted for early-career professionals and what it actually takes to break in.


