🎁 Before you apply, rehearse this interview. Create your free WorkMundi account and get an Interview Training on HelpsYouSpeak — no cost, no card. I want my training →
Senior C++ Developer (UNIX & Cryptography) Remote, India | 6 months contract with possible extension About the Role We are seeking an experienced Senior C++ Developer with strong UNIX systems programming expertise and a background in cryptography and Hardware Security Modules (HSMs). This is an excellent opportunity to work on mission-critical enterprise systems where security, reliability, and performance are paramount. The successful candidate will play a key role in developing secure applications, integrating cryptographic services, and supporting high-availability environments within a structured delivery framework. Key Responsibilities Design, develop, test, and maintain high-performance C++ applications on UNIX-based platforms. Write clean, efficient, reusable, and maintainable code for mission-critical systems. Develop, optimize, and support UNIX Shell scripts (Bash, Korn Shell, or POSIX Shell) for automation, batch processing, monitoring, and operational tasks. Implement and maintain robust cryptographic solutions to protect sensitive data both at rest and in transit. Configure, integrate, and support Hardware Security Modules (HSMs) for secure key management and cryptographic operations. Develop interfaces to HSM platforms using industry-standard APIs such as PKCS#11, Microsoft CNG, and vendor-specific APIs. Support secure key generation, storage, rotation, encryption, decryption, and digital signing processes. Collaborate with architecture, security, infrastructure, and business teams to deliver secure and scalable solutions. Participate in system testing, code reviews, troubleshooting, and production support activities. Produce and maintain technical documentation, design specifications, and operational procedures. Contribute to release management, change control, and continuous improvement initiatives. Required Skills & Experience Strong hands-on experience in C++ application development within UNIX/Linux environments. Solid understanding of UNIX systems programming concepts. Extensive experience with Shell scripting (Bash, Korn Shell, or POSIX Shell). Strong knowledge of cryptography principles, encryption algorithms, digital certificates, and key management practices. Experience working with Hardware Security Modules (HSMs) such as: Thales Safe Net Utimaco Similar enterprise HSM platforms Experience integrating HSMs using PKCS#11, Microsoft CNG, or vendor-specific APIs. Strong debugging, troubleshooting, and performance optimization skills. Understanding of secure software development practices and operational risk management. Experience working in structured delivery environments with formal testing and release processes. Strong analytical and problem-solving capabilities. Why Apply Work on business-critical systems with a strong focus on security and resilience. Collaborate with experienced engineering and security professionals. Opportunity to work with advanced cryptographic technologies and enterprise HSM platforms. Remote working flexibility within India. .
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.