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Senior Performance & Security Engineer (Fintech)

Blossom • Colombia
Full Remote
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Senior Performance & Security Engineer role focused on ensuring digital banking platform security, reliability, and high performance under heavy loads. Requires 5+ years in software engineering with 3+ years in performance/reliability/security engineering. Hands-on experience with load testing, penetration testing, and observability tools.

Key Highlights
5+ years in software engineering with 3+ years in performance/reliability/security engineering
Hands-on experience with load testing tools (k6, JMeter, Gatling, Locust) and penetration testing (Burp Suite)
Strong knowledge of SQL, database optimization (PostgreSQL/MySQL), observability tools (OpenTelemetry, Grafana, Datadog), and AWS
Key Responsibilities
Ensure digital banking platform security, reliability, and performance under demanding conditions
Develop and implement performance and security testing practices
Optimize database performance and security for PostgreSQL/MySQL environments
Monitor and analyze system performance using observability tools
Technical Skills Required
Performance & Security Engineering Load Testing (k6, JMeter, Gatling, Locust) Penetration Testing (Burp Suite)
Benefits & Perks
100% Remote Work
Professional growth and continuous learning
Multicultural work environment
Nice to Have
Experience with multi-tenant systems or regulated financial environments
Knowledge of CI/CD integration and AWS

Job Description

Join Blossom! We are a U.S.-based fintech company with over 20 years of experience building innovative technology solutions for credit unions. We are developing the next-generation technology layer for credit unions.

We are looking for a Senior Performance & Security Engineer to help ensure our digital banking platform is secure, reliable, and ready to perform under demanding conditions.

Requirements

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