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Mercury

Software Engineering Intern

Mercury

. Receive mentorship from experienced engineers .

Posted 9/21/2026internshipRemote • United States, CanadaEntry Level💰 $55 per hourWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates proficiency in TypeScript and Haskell for both frontend and backend development, with a focus on building and optimizing financial technology applications. Collaborates effectively with cross-functional teams to deliver high-quality features and services.

Highest-signal resume keywords
TypeScript DevelopmentHaskell ProgrammingSQL FamiliarityReact ExperienceAPI Integration

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
TypeScriptHaskellSQLFrontend DevelopmentBackend DevelopmentFull-stack DevelopmentAPI IntegrationPerformance OptimizationTransaction SearchFraud Identification
Soft Skills
Strong CommunicationCuriosityMentorshipCollaborationQuality Appreciation
Tools & Technologies
ReactSWIFT-code ValidationAdmin ToolsCustomer-acquisition FeaturesFinancial Technology Application
Industry Keywords
Financial TechnologyProduct DevelopmentUser InterfaceData AnalysisSupport Operations

Tech Stack

Tools & technologies
HaskellReactSQLSwiftTypeScript

About the role

Key responsibilities & impact
  • Receive mentorship from experienced engineers
  • Write TypeScript and/or Haskell code
  • Contribute to Mercury’s product serving over 300,000 businesses
  • Join an engineering team aligned with goals and interests
  • Backend: collaborate with data analysts to specify and build customer-acquisition features
  • Backend: provide services for mobile and web frontends, including transaction search and wire transfers
  • Backend: build admin tools for support operations, including fraud identification and account management
  • Backend: integrate third-party APIs for checks and SWIFT-code validation
  • Frontend: develop and improve the financial technology application and user interface
  • Frontend: use TypeScript static typing to prevent errors
  • Frontend: build features in an established TypeScript codebase and optimize performance
  • Frontend: collaborate with designers and contribute product ideas
  • Full-stack: perform a combination of the described frontend and backend work

Requirements

What you’ll need
  • Enrolled in an academic program (undergraduate, graduate, etc.)
  • Backend: experience using Haskell or a strong desire to learn it; familiarity with SQL
  • Frontend: experience with TypeScript; React experience is a plus
  • Full-stack: experience using Haskell or a strong desire to learn it; familiarity with SQL; experience using TypeScript
  • Interest in continually honing craft
  • Curiosity and willingness to share perspective
  • Appreciation for quality in own and others’ work
  • Strong communication and ability to write clear explanations of technical decisions

Benefits

Comp & perks
  • Paid internship
  • Mentorship from experienced engineers
  • Remote work
  • Full-time spring internship for 12–16 weeks