• Define and drive security architecture across applications, services, and infrastructure. • Partner with engineering teams to design and implement secure software systems, focusing on backend and data security. • Conduct threat modeling, risk assessments, and security reviews for new and existing products. • Develop and enforce secure coding practices, frameworks, and review processes. • Collaborate with DevOps on cloud and container security, CI/CD hardening, and access controls. • Evaluate and integrate security tools for code scanning, vulnerability management, and incident response. • Guide and mentor engineers on best practices for secure application development. • Stay ahead of emerging security trends, compliance standards, and attack vectors — particularly in fintech and blockchain domains.