Senior Software Engineer (Backend): Onboarding (Fintech)

Location: Europe; hybrid/remote working policy

Salary: €70,000–€85,000 EUR; Bulgaria: €70,000–€85,000 EUR; Spain: €85,000–€95,000 EUR; Poland: PLN 250,000–350,000

Company

hirify.global is a stablecoin-powered financial infrastructure company, now part of Mastercard, enabling enterprises to send, receive, convert, and settle stablecoins and fiat across 130+ countries.

What you will do

• Collaborate with product partners to iterate and deliver high-quality solutions in the Embedded Payments and Onboarding squad.
• Build and maintain technology for customer vetting, identity verification, and compliant onboarding.
• Integrate Salesforce into engineering practices alongside Salesforce specialists and engineers.
• Integrate ID&V and RegTech vendors to support changing regulatory requirements.
• Develop B2B2B/C integrations that enable businesses to embed cryptocurrency services through APIs and licenses.
• Apply pragmatic, sustainable engineering practices focused on simplicity, reliability, and future-proof design.

Requirements

• Strong backend software engineering experience with deep proficiency in Java, Kotlin, or similar JVM-based languages.
• Experience designing, building, and operating microservices in distributed systems.
• Solid understanding of relational databases such as PostgreSQL and event-driven architectures such as Kafka and SQS/SNS.
• Experience with cloud platforms including AWS, GCP, or Azure.
• Experience with containerisation and orchestration technologies including Docker and Kubernetes.
• Familiarity with infrastructure as code and modern delivery practices including CI/CD.
• Experience with observability and reliability tooling, including logging, metrics, tracing, and performance optimisation.
• Comfort working with Jira, Confluence, Git-based workflows, and collaborative engineering practices.
• Strong communication skills and a practical approach to problem-solving that considers trade-offs and avoids over-engineering.

Nice to have

• Experience in fintech, payments, or banking infrastructure, especially fiat processing, clearing, or settlement.
• Exposure to payment schemes, banking APIs, or multi-rail payment routing and orchestration.
• Experience with stablecoin or cryptocurrency infrastructure and fiat-to-crypto bridging.
• Understanding of domain-driven design, hexagonal architecture, reconciliation systems, idempotency, and eventual consistency in financial workflows.
• Experience in high-growth technology environments or contributing to engineering strategy, hiring, or organisational scaling.

Culture & Benefits

• Flexible working hours with hybrid working at the centre of the policy.
• Flexible holiday approach.
• Competitive salary based on experience and relevant certifications.
• Growth-minded, open, and creative environment.
• Opportunities to travel to offices around the world.
• Diverse and inclusive workplace.