Senior Application Security Engineer

Job not on LinkedIn

September 6

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Logo of Rain

Rain

Fintech • B2B • HR Tech

Rain is a financial technology company that provides employers with an easy way to offer Earned Wage Access (EWA) to their employees. This service allows employees to access their earned wages instantly, enhancing their financial wellness and reducing stress related to paydays. Rain helps employers increase retention and job applications while integrating seamlessly with existing payroll systems. By offering Rain, companies can boost employee productivity and engagement, making it a valuable benefit across various industries.

201 - 500 employees

Founded 2019

💳 Fintech

🤝 B2B

👥 HR Tech

📋 Description

• Collaborate with development squads to validate vulnerabilities and provide actionable remediation guidance aligned with business risk. • Drive threat modeling sessions (e.g., STRIDE, PASTA) for critical systems and APIs. • Design, implement, and oversee automated processes for securely updating application and code dependencies, proactively mitigating issues and ensuring timely vulnerability remediation. • Integrate security checks into CI/CD pipelines (SAST, DAST, SCA, IaC), working with tools like Semgrep, Snyk, Trivy, and Burp Suite. • Contribute to runtime security initiatives, such as container/Kubernetes hardening, RASP, and eBPF-based detection. • Build and maintain a security issues dashboard to track remediation status and metrics. • Provide real-time support in the event of cybersecurity incidents impacting applications or cloud infrastructure (exploited vuln, credential stuffing, web/API attacks). • Partner with the Cloud Security team on security automation tasks and monitoring improvements (e.g., Security Hub remediation automations, DLP monitoring, etc.). • Conduct proactive research on new threats, vulnerabilities, and attack techniques relevant to Rain’s architecture. • Collaborate with the GRC team to develop and deliver internal security awareness initiatives, phishing campaigns, and developer training (e.g., secure coding, API security). • Participate in the continuous improvement of AppSec maturity (e.g., aligning with OWASP SAMM, ISO 27001, or SOC 2 frameworks).

🎯 Requirements

• Fluent English, including strong verbal and written skills. • Strong problem-solving and analytical mindset. • Excellent communication skills to convey security risks to technical and non-technical stakeholders. • 3–5+ years of experience in application security, penetration testing roles, and/or secure code development, including work with QA teams. • Hands-on experience with SAST, DAST, and SCA tools (e.g., Semgrep, Burp, Snyk). • Deep understanding of web, mobile, and API vulnerabilities (OWASP Top 10, API Top 10, MITRE CWE). • Proven expertise in performing code review or security assessments and writing clear reports. • Proficiency in at least one backend language (e.g., Go, Python, Node.js) and understanding of React / React Native front-ends. • Familiarity with secure architecture of microservices, event-driven systems, and REST APIs using OAuth2/OpenID Connect. • Experience securing CI/CD pipelines and integrating AppSec tooling into SDLC. • Solid knowledge of containerization and Kubernetes security fundamentals. • Understanding of cloud security (preferably AWS), including IAM principles, cloud-native service configurations, and network segmentation. • Comfortable with Agile development methodologies and working within cross-functional squads. • Software supply chain security (e.g., SBOM, artifact signing). • Preferred: Certifications such as OSCP, OSWE, GWAPT, CPTE, or CSSLP. • Preferred: AWS, GCP, or Azure Security Specialty certification. • Preferred: Familiarity with bug bounty triage and vulnerability management platforms (e.g., DefectDojo). • Preferred: Experience implementing RASP or eBPF runtime protection tools. • Preferred: Exposure to LLM/AI security considerations and secure code generation practices. • Preferred: Familiarity with logging and monitoring tools (e.g., CloudWatch, Datadog, Grafana).

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