Web Security Engineer - Entry Level: Build Foundations

United States Digital Space LLC; Singapore; On-site; SGD 40,000 - 70,000; Full time

Job summary

United States Digital Space LLC in Singapore seeks an entry-level security engineer to safeguard web apps, APIs and internal systems. You will perform security assessments, review code for flaws, and help embed secure practices into the development pipeline.

The role emphasizes hands-on learning, building security tooling, and collaborating with engineers to address AI/LLM security risks, vulnerability response, and incident investigation.

Qualifications

• Solid networking and web fundamentals.
• Familiar with OWASP Top 10 and remediation strategies.
• Proficient in at least one programming language (Go/Java/Python/ PHP/C/JavaScript).
• Knowledge of business-logic vulnerabilities.
• Awareness of AI/LLM security risks.
• Strong communication and rapid learning abilities.

Responsibilities

• Perform security assessments and penetration testing on the company’s web applications, APIs and internal systems; find real, exploitable issues and drive them to closure with engineering teams.
• Review code and architecture designs to catch security flaws before they ship, and help embed security requirements into new business and technology initiatives.
• Build and improve the security automation and tooling that scales the team's coverage beyond manual review: in-house AI agents for security workflows, as well as SAST, DAST and SCA capabilities integrated into the development pipeline.
• Assess the security of AI-powered features and internal AI tooling — prompt injection, unsafe tool/agent invocation, data leakage and over-permissive integrations.
• Support vulnerability response and incident investigation; track industry trends and bring what you learn back into our defences.

Skills

Networking basics

OWASP Top 10

Programming languages

Business-logic vulnerabilities

AI/LLM security

Effective communication

Tools

SAST/DAST/SCA

Burp Suite

Semgrep

CodeQL

LLM-based security tools

Job description

United States Digital Space LLC in Singapore seeks an entry-level security engineer to safeguard web apps, APIs and internal systems. You will perform security assessments, review code for flaws, and help embed secure practices into the development pipeline.

The role emphasizes hands-on learning, building security tooling, and collaborating with engineers to address AI/LLM security risks, vulnerability response, and incident investigation.