Question
2-5

Software Engineer (C++|C#)(DSC|SN)

12/10/2025

As a Software Developer, you will design, implement, and maintain a secure application focused on cryptographic functionalities. You will collaborate with cross-functional teams to deliver efficient solutions for Windows and Linux platforms.

Working Hours

40 hours/week

Company Size

10,001+ employees

Language

English

Visa Sponsorship

No

About The Company
At ST Engineering, we apply our technology and innovation to solve real-world problems and improve lives. Our commitment to excellence and our track record as a global technology, defence, and engineering company earns us a reputation for quality and trust. Subscribe to get the latest news delivered to your inbox: http://eepurl.com/htCq_P. For more updates, follow us on Facebook, Instagram, LinkedIn and YouTube.
About the Role

ST Engineering is a global technology, defence and engineering group with offices across Asia, Europe, the Middle East and the U.S., serving customers in more than 100 countries. The Group uses technology and innovation to solve real-world problems and improve lives through its diverse portfolio of businesses across the aerospace, smart city, defence and public security segments. Headquartered in Singapore, ST Engineering ranks among the largest companies listed on the Singapore Exchange.

 

Join our Cyber Team

We are an industry leader in cybersecurity with over two decades of experience, we deliver a holistic suite of trusted cybersecurity solutions to empower cyber resilience for government and ministries, critical infrastructure, and commercial enterprises. 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 and compliance. We specialise in the design and build of security operations centres for cybersecurity professionals and provide managed security services to strengthen the cybersecurity posture of our government and enterprise customers.

 

Job Overview:

 

As a Software Developer (C++| C#), you will be responsible for designing, implementing, and maintaining a highly secure application focused on cryptographic functionalities. 

 

You will work closely with cross-functional teams to deliver robust and efficient solutions that integrate seamlessly to Windows and Linux platforms, ensuring top-notch security and privacy for our clients.

 

Key Responsibilities:

•    Design, develop, and maintain an Windows application using C++ and C# with a focus on implementing cryptographic solutions.

•    Liaise with customers and stakeholders to gather requirements and propose secure, efficient technical solution.

•    Develop secure encryption and decryption features for email communication, ensuring compliance with industry standards and regulations.

•    Perform unit and integration tests to validate cryptographic features and plugin functionalities.

•    Collaborate with security engineers to integrate cryptographic algorithms, such as AES, RSA, and other protocols, into the application.

•    Optimize performance and troubleshoot issues related to the Outlook plugin and its cryptographic components.

•    Stay updated with the latest trends and advancements in cryptography and security to maintain the application’s effectiveness.

 

Required Qualifications:

•    Minimum 3 years of professional experience in C++ and C# development, with a strong emphasis on building applications for Windows and Linux platforms

•    Experienced in secure coding practices and conducting code audits to ensure robust security and adherence to industry standards

•    Fundamental understanding of cryptographic algorithms such as AES, RSA, ECC, SHA-family hashes, along with general security best practices

•    Competency in networking fundamentals and network security is preferred.

•    Proficient with development tools such as Visual Studio, Git, and debugging utilities

•    Strong verbal and written communication skills.

•    Excellent problem-solving abilities

•    Ability to work independently and collaboratively within a team

•    Singaporeans only

 

 

Work Location:  Jurong East

 

Find out more: https://www.stengg.com/cybersecurity

 

 

ST Engineering believes in fostering a culture where team members are encouraged to overcome challenges, explore new ideas, and work together to succeed. We value individuals who are determined to push beyond the boundaries, and have a thirst for knowledge, continuous learning, and self-improvement.

Key Skills
C++C#CryptographySecure CodingCode AuditsNetworking FundamentalsNetwork SecurityVisual StudioGitDebuggingProblem-SolvingCommunicationCollaborationIntegration TestingPerformance OptimizationCompliance
Categories
TechnologyEngineeringSoftwareSecurity & SafetyData & Analytics
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