Senior Performance & Security Engineer

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.

www.blossom.net

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

• Bachelor's degree in Systems Engineering, Computer Science, Software Engineering, or a related field, or equivalent experience.
• 5+ years of experience in Software Engineering, including 3+ years in Performance, Reliability, or Application Security Engineering.
• Experience building performance or security testing practices from the ground up.
• Hands-on experience with load testing tools such as k6, JMeter, Gatling, or Locust.
• Experience with web and API penetration testing, using Burp Suite or similar tools.
• Strong knowledge of SQL and database performance optimization, preferably PostgreSQL or MySQL.
• Experience with observability tools, such as OpenTelemetry, CloudWatch, Grafana, or Datadog.
• Knowledge of AWS, CI/CD integration, and performance monitoring.
• Experience with multi-tenant systems or regulated financial environments is a plus.
• Strong analytical, problem-solving, and communication skills.
• English level B2 or higher.

Perks

• 100% Remote Work.
• Multicultural Environment.
• Work with application security, performance engineering, and cloud technologies.
• Professional growth and continuous learning.
• Contribute to innovative fintech solutions.

Development | Remote - Colombia | Full Time