STATION F · 1 hour ago
SENIOR SOFTWARE ENGINEER
Paris, NY
Full-time
Hybrid
Senior Level, Lead/Staff
$160K/yr - $240K/yr
8+ years expDfns is a leading Wallets-as-a-Service platform that simplifies digital asset management for fintechs and institutions. The Senior Software Engineer will design, develop, and scale core backend services, ensuring they are fast, reliable, and secure while collaborating with various teams to enhance the platform's infrastructure.
Business DevelopmentIncubatorsInternet
Responsibilities
Design, build, and maintain secure, scalable backend services and APIs (REST)
Architect databases and microservices for performance, reliability, and growth
Own projects end to end: from requests, implementation to production and iteration
Troubleshoot complex issues, resolve performance bottlenecks, ensure resilience
Contribute to CI/CD pipelines, observability, and overall engineering excellence
Collaborate with product, security, and leadership on roadmap and technical direction
Document systems, share knowledge, and support client-facing discussions
Qualification
Required
8+ years of backend software engineering experience in fintech or blockchain
Strong in TypeScript, plus ideally at least one low-level language (Rust, Go, C++)
Proven track record building scalable APIs, infrastructure, and developer tools
Expertise with databases (PostgreSQL, DynamoDB, NoSQL) and AWS services
Skilled in microservices, CI/CD pipelines, observability, and SSLDC practices
Familiar with applied cryptography, PKI, and backend security fundamentals
Strong problem-solving, clear communication, and ability to deliver under pressure
Preferred
Design, build, and maintain secure, scalable backend services and APIs (REST)
Architect databases and microservices for performance, reliability, and growth
Own projects end to end: from requests, implementation to production and iteration
Troubleshoot complex issues, resolve performance bottlenecks, ensure resilience
Contribute to CI/CD pipelines, observability, and overall engineering excellence
Collaborate with product, security, and leadership on roadmap and technical direction
Document systems, share knowledge, and support client-facing discussions
Benefits
Healthcare
Travel expenses
Company
STATION F
STATION F is a business incubator for startups.
11-50 employees
Funding
Current Stage
Early StageLeadership Team
Kaan Armagan
Founder in Residence
Romain LAURENT
Founder in Residence
Recent News
The French Tech Journal
2025-11-14
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