Senior Software Engineer, Card Solutions – Backend-Focused, Partner Integration

Reap

Senior Software Engineer focused on backend solutions for card transactions and fraud detection at Reap, facilitating financial operations with stablecoin technology.

Posted 7/24/2026full-timeRemote • 🇪🇺 Anywhere in EuropeSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and building backend services for financial systems, with a strong focus on performance, fault tolerance, and maintainability. Proficient in collaborating with cross-functional teams to ensure compliance and deliver robust solutions in a fast-paced environment.

Highest-signal resume keywords

Backend System DevelopmentTyped Language ProficiencyDistributed Systems ConceptsCross-Functional CollaborationTechnical Decision-Making

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringBackend DevelopmentTypeScriptJavaGoService-Oriented ArchitectureCode ReviewIncident ResponseObservabilityAsync Processing

Soft Skills

CollaborationCommunicationJudgmentAdaptability

Industry Keywords

FintechInfrastructurePlatform TeamsFraud DetectionCard Transaction ProcessingCompliancePerformanceMaintainability

Tech Stack

Tools & technologies

Distributed SystemsGoJavaTypeScript

About the role

Key responsibilities & impact

Design and build backend services for card transaction processing, fraud detection, and/or card program management
Contribute to system architecture and technical decision-making with a focus on performance, fault tolerance, and maintainability
Collaborate with cross-functional stakeholders (Product, Risk, Finance, Compliance) to deliver robust, compliant financial systems
Write clean, observable, and well-tested code in a service-oriented architecture
Participate in code reviews, incident response, and ongoing reliability improvements
Help evolve our engineering practices, tools, and system designs as we scale

Requirements

What you’ll need

6+ years of software engineering experience, ideally in fintech, infrastructure, or platform teams
Experience building backend systems in a typed language (e.g., TypeScript, Java, Go, etc.)
Solid grasp of distributed systems concepts: async processing, retries, observability, eventual consistency
Strong judgment in balancing correctness, performance, and maintainability
Ability to collaborate in cross-functional teams and communicate technical tradeoffs effectively
Comfortable working in a fast-paced, evolving product environment

Benefits

Comp & perks

High-ownership, high-impact role at the frontier of stablecoin-powered finance
Work directly with strategic partners and shape how Reap expands its financial ecosystem
Operate with significant autonomy as Reap's technical owner of a key partnership
Join a high-caliber team across engineering, product, and operations
Insurance coverage after probation
Reap Card stipend
Use of AI tools at work — and the space to learn, experiment, and grow with them
A culture of innovation, inclusion, and continuous learning