About the role
Job Title: Lead Software Engineer – Cryptographic Systems Location: Onsite – Richmond Hill Experience: 8+ years (Senior/Lead level) Duration: 6-month contract (extendable)
Key Highlights Lead development of secure, cross-platform cryptographic libraries (C/C++) Work across Linux, Windows, AIX, Solaris, and IBM mainframe environments Deep involvement with IBM mainframe stack including IBM z/OS, xLC/C++, HLASM, JCL, SMP/E, RACF/ACF2 Design and support cryptographic services (TLS, key management, HSM integration, PKCS#11) Collaborate directly with enterprise customers on production-level troubleshooting and integration Contribute to SDKs (Java and C#/.NET) and cross-platform build systems (CMake, CI/CD pipelines)
What We’re Looking For Strong C/C++ systems programming background Experience with enterprise or mainframe platforms (z/OS strongly preferred) Applied cryptography experience (TLS, encryption, key management) Experience with multi-platform build/release systems and CI/CD Ability to work in customer-facing escalation scenarios
Not the right fit? Search for Software Engineer jobs in Richmond Hill, Ontario, Canada
About NLB Services
Founded in 2007, NLB Services is one of the fastest-growing global providers of IT staffing, digital workforce solutions, and technology talent services. We help organizations scale with Data & AI talent, Cloud & Infrastructure, Software & Product Engineering expertise, delivering transformative outcomes across industries. With deep domain experience in Banking & Financial Services, Insurance, Healthcare, Supply Chain & Logistics, Telecom, and Transportation, we enable enterprises to accelerate innovation, improve productivity, and drive business growth with the right talent at the right time. Our Learning & Development practice —NLL Academy — strengthens talent agility with upskilling, reskilling, and AI-era training programs designed for future-ready workforces. Headquartered in Alpharetta, Georgia (USA), we support growth across the US, India, and Europe, serving as a trusted strategic partner to Fortune 500 and high-growth companies through speed, quality, compliance, and performance in talent delivery.
Awards and Recognition:
- Financial Times - The Americas' Fastest Growing Companies 2023
- SIA Top 100 Largest US Staffing Firms for 2023
- SIA Fastest-Growing US Staffing Firms 2019-2023
- Economic Times - India’s Best Organizations for Women in 2023
- Major Contender in Everest Group's US IT Contingent Talent and Strategic Solutions PEAK Matrix® Assessment 2023
- BW Diversity & Inclusion Award 2022 - Winner
- BW People & HappyPlus - The Happy Workplaces Award 2024
- Financial Express FuTech Award 2022
- INC. 5000 - Fastest-Growing Private Companies in America 2021
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About the role
Job Title: Lead Software Engineer – Cryptographic Systems Location: Onsite – Richmond Hill Experience: 8+ years (Senior/Lead level) Duration: 6-month contract (extendable)
Key Highlights Lead development of secure, cross-platform cryptographic libraries (C/C++) Work across Linux, Windows, AIX, Solaris, and IBM mainframe environments Deep involvement with IBM mainframe stack including IBM z/OS, xLC/C++, HLASM, JCL, SMP/E, RACF/ACF2 Design and support cryptographic services (TLS, key management, HSM integration, PKCS#11) Collaborate directly with enterprise customers on production-level troubleshooting and integration Contribute to SDKs (Java and C#/.NET) and cross-platform build systems (CMake, CI/CD pipelines)
What We’re Looking For Strong C/C++ systems programming background Experience with enterprise or mainframe platforms (z/OS strongly preferred) Applied cryptography experience (TLS, encryption, key management) Experience with multi-platform build/release systems and CI/CD Ability to work in customer-facing escalation scenarios
Not the right fit? Search for Software Engineer jobs in Richmond Hill, Ontario, Canada
About NLB Services
Founded in 2007, NLB Services is one of the fastest-growing global providers of IT staffing, digital workforce solutions, and technology talent services. We help organizations scale with Data & AI talent, Cloud & Infrastructure, Software & Product Engineering expertise, delivering transformative outcomes across industries. With deep domain experience in Banking & Financial Services, Insurance, Healthcare, Supply Chain & Logistics, Telecom, and Transportation, we enable enterprises to accelerate innovation, improve productivity, and drive business growth with the right talent at the right time. Our Learning & Development practice —NLL Academy — strengthens talent agility with upskilling, reskilling, and AI-era training programs designed for future-ready workforces. Headquartered in Alpharetta, Georgia (USA), we support growth across the US, India, and Europe, serving as a trusted strategic partner to Fortune 500 and high-growth companies through speed, quality, compliance, and performance in talent delivery.
Awards and Recognition:
- Financial Times - The Americas' Fastest Growing Companies 2023
- SIA Top 100 Largest US Staffing Firms for 2023
- SIA Fastest-Growing US Staffing Firms 2019-2023
- Economic Times - India’s Best Organizations for Women in 2023
- Major Contender in Everest Group's US IT Contingent Talent and Strategic Solutions PEAK Matrix® Assessment 2023
- BW Diversity & Inclusion Award 2022 - Winner
- BW People & HappyPlus - The Happy Workplaces Award 2024
- Financial Express FuTech Award 2022
- INC. 5000 - Fastest-Growing Private Companies in America 2021