This is a remote position. We are looking for a skilled Unix Developer with 5–8 years of experience in C++ application development and UNIX Shell scripting. The ideal candidate should have hands-on experience developing high-performance applications on UNIX platforms and possess a strong understanding of encryption technologies and Hardware Security Modules (HSMs). Experience with secure application development and cryptographic key management is highly desirable. Key Responsibilities • Design, develop, test, and maintain robust, scalable, and high-performance C++ applications for UNIX-based environments. • Write, optimize, and maintain UNIX Shell scripts (Bash, Korn Shell, or POSIX Shell) for automation, batch processing, system monitoring, and operational support. • Analyze, troubleshoot, and resolve application and system issues in UNIX environments. • Develop reusable, efficient, and reliable code following coding standards and best practices. • Implement secure coding practices to protect sensitive data at rest and in transit. • Integrate and manage Hardware Security Modules (HSMs) such as Thales, SafeNet, or Utimaco for secure cryptographic operations. • Configure and interface with HSMs using standard APIs such as PKCS#11, Microsoft CNG, or vendor-specific APIs. • Implement cryptographic functions including encryption, decryption, digital signatures, certificate management, and secure key lifecycle management. • Collaborate with cross-functional teams to understand business requirements and deliver secure, high-quality solutions. • Participate in code reviews, performance tuning, debugging, and production support. Key skills and Qualifications • 5–8 years of experience in UNIX application development. • Strong programming experience in C++. • Excellent knowledge of UNIX/Linux operating systems. • Hands-on experience with UNIX Shell Scripting (Bash, Korn Shell, or POSIX Shell). • Strong understanding of system programming concepts and UNIX internals. • Experience in debugging, performance optimization, and memory management. • Good knowledge of encryption concepts, cryptographic algorithms, and secure application development. • Experience integrating and managing Hardware Security Modules (HSMs). • Familiarity with PKCS#11, Microsoft CNG, OpenSSL, or similar cryptographic frameworks. • Experience with version control tools such as Git. Apply by sending your CV to [email protected]