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Software Engineer (Wallets Subdomain) - Backend Engineering

BVNK • Bulgaria
Full Remote
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Join BVNK as a Software Engineer to design and build scalable wallet infrastructure for fiat and crypto across global enterprises. Own wallet lifecycle services, integrate cross-domain systems, and ensure reliability in production. Requires 5+ years in Java/Kotlin, distributed systems, and financial-grade account/wallet management.

Key Highlights
Design and implement wallet lifecycle services for fiat and crypto across global enterprises
Collaborate across domains (Digital Assets, Fiat, Onboarding, Billing) to integrate wallet systems
Ensure reliability, scalability, and operational excellence in production environments
Key Responsibilities
Design and implement wallet lifecycle services (creation, activation, blocking, suspension, termination) for fiat and crypto wallets
Collaborate with cross-domain teams to integrate wallet systems with other BVNK domains
Ensure reliability, scalability, and performance optimization of wallet services in production
Participate in on-call rotations, incident response, and production monitoring
Write well-tested, well-documented code and contribute to architecture reviews
Technical Skills Required
Java/Kotlin (Spring Boot) Distributed Systems (Microservices, Event-Driven Architectures) Domain-Driven Design & Hexagonal Architecture
Benefits & Perks
Hybrid/Remote working policy
Competitive salary (€85,000–€105,000 or equivalent)
Flexible working hours and holiday
Opportunities to travel to global offices
Open and creative work environment
Nice to Have
Experience with multi-tenant architectures
Background in embedded finance, BaaS, or payment platforms
Familiarity with database migrations in high-throughput systems
Experience with dynamic validation engines or feature-flag systems
Experience with stablecoin, crypto, or blockchain-adjacent products

Job Description

About us:

BVNK is the stablecoin-powered financial stack for enterprises, now part of Mastercard. We enable businesses to build financial products, unlock new markets, and move money globally via a single integration. Our mission is to accelerate global money movement, and we're assembling a world-class team to achieve this.

We're looking for a talented Software Engineer to join the Wallets subdomain within BVNK's Ledger domain. The Wallets subdomain is responsible for the complete lifecycle of customer wallets: creation, activation, blocking, suspension, and termination; across fiat and crypto, for direct merchants, embedded partners, and their underlying customers.

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