SE

Senior Software Engineer (C++ |C#)(Dsc|Sn)

St Engineering Info-Security Pte. Ltd.

D22 Jurong, Jurong Island, TuasPermanentS$6,500 – S$9,000/mo

Posted 24 Jun 2026

About this role

ST Engineering is a global technology, defence andengineering group with offices across Asia, Europe, the Middle East and the U.S., serving customers inmore than 100 countries. The Group uses technology and innovation to solvereal-world problems and improve lives through its diverse portfolio ofbusinesses across the aerospace, smart city, defence and public securitysegments. Headquartered in Singapore, ST Engineering ranks amongthe largest companies listed on the Singapore Exchange. Join our Cyber Team We are an industryleader in cybersecurity with over two decades of experience, we deliver aholistic suite of trusted cybersecurity solutions to empower cyber resiliencefor government and ministries, critical infrastructure, and commercialenterprises. Backed by our indigenous capabilities and deep domain expertise,we offer robust cyber-secure products and services in cryptography,cybersecurity engineering, digital authentication, SCADA protection, audit andcompliance. We specialise in the design and build of security operationscentres for cybersecurity professionals and provide managed security servicesto strengthen the cybersecurity posture of our government and enterprisecustomers. Job Overview: As a Senior SoftwareEngineer, you will lead the architecture, design, and development of highlysecure enterprise-grade applications and Outlook plugins with advancedcryptographic functionalities. You will serve as a technical authority, guidingengineering teams and influencing strategic decisions to ensure robust,scalable, and secure solutions. This role requires deep technical expertise,leadership skills, and the ability to drive innovation across complex systems. Key Responsibilities: Define and own the software architecture for mission-critical applications and plugins, ensuring security, scalability, and maintainability. Lead the design and implementation of advanced cryptographic solutions (AES, RSA, ECC, PKCS#11) and enforce compliance with industry standards. Mentor…

What they're looking for

ScalabilityCryptographySoftware ArchitectureAES

About St Engineering Info-Security Pte. Ltd.

Industry: Administrative & support services

Frequently asked questions

What does a Senior Software Engineer (C++ |C#)(Dsc|Sn) at St Engineering Info-Security Pte. Ltd. do?

ST Engineering is a global technology, defence andengineering group with offices across Asia, Europe, the Middle East and the U.S., serving customers inmore than 100 countries. The Group uses technology and innovation to solvereal-world problems and improve lives through its diverse portfolio ofbusi…

What skills does this Senior Software Engineer (C++ |C#)(Dsc|Sn) role need?

Key skills for this role include Scalability, Cryptography, Software Architecture, AES.

How much does a Senior Software Engineer (C++ |C#)(Dsc|Sn) at St Engineering Info-Security Pte. Ltd. pay?

This role lists a salary of S$6,500 – S$9,000 per month.

Is this Senior Software Engineer (C++ |C#)(Dsc|Sn) role remote, hybrid, or on-site?

The listing is based in D22 Jurong, Jurong Island, Tuas. Check the posting for remote or hybrid options.

How do I apply for this Senior Software Engineer (C++ |C#)(Dsc|Sn) role?

You can apply directly on St Engineering Info-Security Pte. Ltd.'s careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.