Last updated: September 2026
WEX is a $2.66 billion global fintech platform that simplifies payments across fleet management, employee benefits, and corporate payments. Originally founded in 1983 as Wright Express in South Portland, Maine, the company now serves more than 200,000 customers and powers fuel cards accepted at 95% of U.S. fueling stations for over 20 million business vehicles. WEX went public in 2005 and operates three segments: Mobility ($1.39B revenue), Benefits ($797M, managing 21.6 million SaaS accounts), and Corporate Payments ($477M, processing $80.3B in annual purchase volume). Its 13-week Summer Internship Program has been recognized by Yello and WayUp as a top-100 internship in the U.S. four of the last five years.
Quick Facts
| Fact | Detail |
|---|---|
| Where to apply | careers.wexinc.com/internships (Workday/Phenom ATS) |
| Application window (2027–28) | Expected fall 2026 (Sep–Nov); fills by March/April |
| Rolling? | Yes; WEX blog: 'typically fills its internship positions by March or early April' |
| Eligibility | Pursuing bachelor's degree; details vary by track |
| Duration | 13 weeks (late May to mid-August) |
| Compensation | Estimated $20–$35/hr based on role and location |
| Locations | Portland, ME (primary); remote/hybrid options available |
| # Programs | Multiple tracks: Technology, Finance, Marketing, Operations, Data Analytics, and more |
WEX's top-100-rated 13-week summer program is expected to open fall 2026 for Summer 2027. The company fills positions by March or early April, so apply in the first weeks. Remote and hybrid options available.
Externships are short, remote professional experience programs where you finish a real project with a real company. The Yinan Zhao Investing & Financial Modeling Externship builds the financial analysis skills WEX's payments business demands, and the Wayfair AI Agent Engineering for Business Intelligence Externship develops the technology skills the SWE tracks require. Explore all Externships.
What Is a WEX Internship?
A WEX internship is a 13-week paid summer program placing college students into real roles at a fintech company that powers fleet payments, employee benefits, and corporate spending for over 200,000 customers. The program has been recognized as a top-100 internship in the U.S. by Yello and WayUp four of the last five years. WEX's early careers page describes the summer program as 13 weeks on average starting in late May, with tracks spanning technology, finance, marketing, operations, and data analytics. The company's blog states that interns work on real projects with meaningful business impact, and the program is designed as a pipeline to full-time conversion.
When Do WEX Internship Applications Open for 2027–2028?
WEX's Summer 2027 intern postings are expected to appear in fall 2026, with applications opening between September and November. The company's blog states it 'typically fills its internship positions by March or early April,' creating an effective deadline even without a stated cutoff. The Summer 2026 Software Engineering Intern posting appeared on Built In with a 13-week program running from late May to mid-August. Interviews are 30-45 minutes, available by phone, video, or in person.
Summer 2027 intern postings have not yet appeared on careers.wexinc.com. This is your preparation window. Set up alerts on the Phenom careers portal and Built In. Build technology and financial analysis skills now.
Summer 2027 intern postings expected to go live across technology, finance, marketing, and operations tracks. Apply in the first week postings appear. WEX fills by March.
Interviews run on a rolling basis. Format: 30-45 minute sessions by phone, video, or in-person. Expect behavioral and technical questions depending on the track.
WEX typically fills positions by March or early April. Late applicants may find limited availability. If you have not applied by February 2027, your odds drop significantly.
13-week summer program. Work on real projects across fleet payments, employee benefits, or corporate payments. Remote and hybrid options available depending on role and location.
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
WEX's top-100-rated program fills by March or early April, which means the strongest positions are gone well before spring. The 13-week duration is longer than most summer internships, giving interns deeper exposure and stronger conversion potential. With segments spanning Mobility, Benefits, and Corporate Payments, WEX offers fintech experience that few companies can match. CEO Melissa Smith, the highest-paid executive of any public company in Maine, has led WEX since 2014, creating a stable leadership environment. Apply in the first week postings appear and demonstrate understanding of WEX's three business segments.
Which WEX Internship Programs Should You Target?
WEX runs a unified 13-week summer internship program with placement across multiple functional areas.
| Track | Focus | Duration | Key details |
|---|---|---|---|
| Software Engineering Intern | Full-stack development, API engineering, cloud infrastructure for payment platforms | 13 weeks | Portland, ME or remote; strong coding skills required |
| Data Analytics Intern | Business intelligence, payment data analysis, fleet analytics | 13 weeks | Portland, ME or remote |
| Finance Intern | FP&A, commercial finance, revenue analysis across three business segments | 13 weeks | Portland, ME |
| Marketing/Operations Intern | Product marketing, operations, customer success across Mobility, Benefits, Corporate Payments | 13 weeks | Portland, ME or remote |
| AI/ML PhD Intern | AI, machine learning, NLP research for payment optimization | 13 weeks | Remote (PhD-level posting observed) |
The program is recognized as a top-100 internship by Yello and WayUp. All interns work on real projects with meaningful business impact.
What Are the Eligibility Requirements?
From WEX's early careers page and prior-cycle job descriptions:
• Education: pursuing a bachelor's degree (PhD for AI/ML track).
• Technical tracks: computer science, data science, or related field for software engineering and analytics roles.
• Business tracks: finance, marketing, business administration, or related field.
• Graduation timing: Summer 2026 SWE Intern JD required graduation date of December 2026 or May 2027, suggesting Summer 2027 will target students graduating December 2027 or May 2028.
Does WEX Offer Remote Internships?
Yes. WEX's early careers page lists remote and hybrid options for some intern roles. The AI/ML PhD Intern posting was fully remote. Portland, Maine is the primary location for in-person roles, with South Portland as the legacy office hub. Check individual postings for specific work model details.
What Skills Does WEX Look For, and How Do You Build Them?
WEX's intern hiring reflects a fintech company that processes billions in payment volume. Software engineering interns need full-stack development skills, API experience, and cloud platform familiarity. Finance interns need financial modeling and data analysis capabilities. The company's three segments (Mobility, Benefits, Corporate Payments) each have distinct technology stacks and business models, creating diverse intern experiences.
What WEX looks for in interns
Skills across 3 WEX intern & analyst job descriptions · Summer 2026 SWE Intern JD, AI/ML PhD Intern posting, and early careers page descriptions
Method: analysis of 3 WEX intern postings from Built In and Phenom careers portal.
How Is Demand for Fintech & Payments Interns Moving Right Now?
Fintech & payments intern hiring right now: September 2026
Across US fintech and payments technology intern postings tracked this month · aggregate market data, all employers
September 2026 shows a fintech industry investing in both traditional payments infrastructure and AI-driven innovation. Candidates who combine software engineering with payments domain knowledge have the strongest positioning.
Method: aggregate analysis of US fintech and payments intern postings, September 2026 baseline.
Build These Skills Before You Apply
And every skill in the chart maps to a remote Externship where you finish a real company project before the window opens.
| Skill (from real JDs) | JD evidence | Externship that builds it |
|---|---|---|
| AI & machine learning | AI/ML PhD Intern: payment optimization, NLP, predictive analytics | Wayfair AI Agent Engineering for BI |
| Financial modeling & analysis | Finance track: FP&A, commercial finance, revenue analysis across three segments | Yinan Zhao Investing & Financial Modeling |
| Data analytics & visualization | Data Analytics track: business intelligence, fleet analytics, payment data analysis | Center for Improving Youth Justice Data Visualization |
The Wayfair AI externship builds engineering and ML skills directly transferable to WEX's payment optimization technology. The Yinan Zhao project develops the financial modeling skills the finance track demands from day one.
What Is the WEX Application and Interview Process Like?
WEX's hiring process involves standard application, screening, and interview steps:
1. Set up alerts on careers.wexinc.com. Monitor the internship listings page for Summer 2027 postings. Also check Built In and LinkedIn.
2. Apply online through the Workday/Phenom ATS as soon as your target track appears. WEX fills by March, so early application is critical.
3. Screening and assessment. The early careers page describes an initial screening process with potential assessments depending on the role.
4. Interview (30-45 minutes). Format: phone, video, or in-person. Expect behavioral and role-specific technical questions.
5. Receive your offer. The program is designed as a conversion pipeline to full-time employment.
Demonstrate understanding of WEX's three business segments (Mobility, Benefits, Corporate Payments) and the company's role in simplifying complex payment ecosystems.
What the Community Says
WEX is headquartered in Portland, Maine and is a significant employer in the Northeast tech scene. The company's top-100 internship rating reflects a structured program with real project work.
WEX's summer internship program has been named a top-100 internship in the U.S. by Yello and WayUp four of the last five years. The 13-week program is longer than most and is designed as a pipeline to full-time conversion.
WEX reported $2.66 billion in FY2025 revenue with adjusted net income of $578 million. CEO Melissa Smith has led the company since 2014 and is the highest-paid executive of any public company in Maine.
The early careers page emphasizes real project work, mentorship, and professional development during the 13-week program. Remote and hybrid options are available for some roles, which is less common in fintech internship programs.
How Do You Stand Out at the Fintech Behind 20 Million Fleet Vehicles?
Three moves, all executable before fall 2026. First, understand WEX's three business segments and their distinct technology stacks. Mobility ($1.39B revenue) powers fleet fuel cards for 20 million vehicles. Benefits ($797M) manages 21.6 million HSA and benefit accounts. Corporate Payments ($477M) processes $80.3B in annual purchase volume. Candidates who can articulate the technology challenges unique to each segment demonstrate strategic thinking. Second, reference the top-100 internship recognition by Yello and WayUp. This signals you have researched WEX specifically and understand the program's structure and reputation. Third, for technology roles, demonstrate full-stack development skills, API experience, and familiarity with payment processing concepts. For finance roles, prepare financial modeling examples and show understanding of recurring revenue business models. WEX's diverse payment platform creates intern experiences that few single-product fintechs can match.
What Other Companies Should You Consider?
WEX's peer set spans fintech and payments companies competing for the same technology and business intern talent.
- Liberty MutualNew England tech employer peer; strong technology and data intern programs in BostonGuide →
- Progressivedata-driven insurance company; strong analytics and technology internshipsGuide →
- Allstatelarge insurer with growing technology and data science intern tracksGuide →
- Travelersfinancial services peer; actuarial and technology internshipsGuide →
Our finance internships summer 2027 guide maps the full landscape of fintech and financial services opportunities.
FAQ
When should I apply for a WEX Summer 2027 internship?
Apply as soon as postings appear, expected fall 2026. WEX's blog states the company typically fills internship positions by March or early April. The fall application window is tight, and the strongest tracks fill first.
How long is the WEX internship?
Thirteen weeks on average, running from late May to mid-August. This is longer than most summer internships (typically 10-12 weeks) and gives interns deeper exposure to WEX's payment platform and business operations.
Where are WEX internships located?
Portland, Maine is the primary location, with South Portland as the legacy office hub. Remote and hybrid options are available for some roles. The AI/ML PhD Intern posting was fully remote. Check individual postings for specific work model details.
Is WEX a good company to intern at?
WEX's summer internship has been named a top-100 internship in the U.S. by Yello and WayUp four of the last five years. The 13-week program offers real project work, mentorship, and a pipeline to full-time conversion at a $2.7 billion fintech company.
What is WEX known for?
WEX simplifies payments across three segments: Mobility (fleet fuel cards for 20 million vehicles), Benefits (21.6 million HSA and benefit accounts), and Corporate Payments ($80.3 billion in annual purchase volume). The company was founded in 1983 in Maine as Wright Express.
Does WEX offer remote internships?
Some roles offer remote or hybrid work models. The AI/ML PhD Intern posting was fully remote. Portland, Maine remains the primary in-person location. The early careers page lists both remote and in-office options depending on the role.
What tracks does WEX offer for interns?
Tracks span software engineering, data analytics, finance, marketing, operations, and AI/ML research. The program is structured as a unified experience with track-specific project assignments. Technology roles are the most heavily recruited.
Can a WEX internship lead to a full-time job?
Yes. The program is designed as a conversion pipeline. WEX's blog describes the internship as a time to grow, learn, and explore with the explicit goal of identifying future full-time hires. No official conversion rate is published.
WEX's top-100-rated 13-week program offers fintech experience that few companies can match, powering payments for 20 million fleet vehicles and 21.6 million benefit accounts. Build proof now: a remote Externship turns fintech interest into a finished project your application can point at.
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.
