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

ST ENGINEERING INFO-SECURITY PTE. LTD; Singapore; On-site; SGD 80,000 - 110,000; Full time

Job summary

A leading engineering company in Singapore seeks a Senior Software Developer (C++| C#) to design and maintain a secure application focused on cryptographic functionalities. The role demands over 3 years of experience in C++ and C# development for Windows and Linux. Responsibilities include optimizing security features, integrating cryptographic algorithms, and collaborating with cross-functional teams. Ideal candidates should be proficient in secure coding practices and possess strong problem-solving skills. Join a dynamic team fostering innovation and security in technology.

Qualifications

• Minimum 3 years of professional experience in C++ and C# development.
• Strong emphasis on building applications for Windows and Linux platforms.
• Experience in secure coding practices and conducting code audits.

Responsibilities

• Design, develop, and maintain a Windows application using C++ and C#.
• Liaise with customers and gather requirements for secure technical solutions.
• Develop secure encryption features for email communications.

Skills

C++ Development

C# Development

Cryptography

Secure Coding

Problem-solving

Collaboration

Tools

Visual Studio

Git

Job description

Company description:

Singapore Technologies Engineering Ltd

Job description:

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 Senior 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‑note security and privacy for our clients.

Key Responsibilities:

• Design, develop, and maintain a 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 solutions.
• 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.

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.