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What is Security?

Device protection through physical and software means. Security examples include software encryption, keys, and secure protocols for data transfer

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Hire a Security Engineer to ensure that you are following the latest network, hardware and software protocols to secure your devices.

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Monali V.

4.7

272

6.6

96%

Melbourne, Australia

$25 USD per hour

With over 10+ years of experience in e-commerce, specializing in Magento, WordPress, Shopify, PHP, React, React Native, and Node.js, I offer comprehensive expertise in developing and troubleshooting e-commerce solutions. Also I have Experience in designing, building, and delivering enterprise-grade solutions across cloud, backend, and DevOps domains. Proven expertise in Amazon Connect platform design and delivery, including IVR design, intelligent call routing, CRM integrations, and AWS Contact Lens analytics. Hands-on experience with AWS Lambda, EventBridge, CloudWatch, DynamoDB, IAM, and Secrets Manager. Strong background in microservices, event-driven architecture, container orchestration (Docker, Kubernetes, AWS EKS), and CI/CD delivery. Top Skills | E-Commerce Services Highlights:: 1. Custom Web Design( UI/UX – Figma, Photoshop, Adobe XD) 2. Platform Expertise (Magento, Shopify, WordPress) 3. Responsive Development (HTML, CSS, JavaScript) 4. Front-end Frameworks - React, Angular, Vue.js 5. Performance Optimization 6. Backend Scalability (Node.js, Express.js, MySQL, MongoDB) 7. API Integration - RESTful APIs 8. Version Control (Git) 9. Testing and Debugging 10. Cross-Functional Collaboration 11. Data Management 12. Business Leadership 13. Continuous Improvement 14. Networking and Collaboration 15. Challenging Projects ******* Interests******* 1. Exploring new web development tech and frameworks. 2. Participating in hackathons and coding challenges. 3. Contributing to open-source projects and developer communities. 4. Experimenting with creative web design techniques. 5. Actively seeking challenging projects for innovative solutions.

Security PHP Adobe Flash Python Internet Marketing

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WebAIProTech

5.0

7.2

100%

Melbourne, Australia

$75 USD per hour

WebAIProTech specializes in delivering high-quality software, AI-powered solutions, electronics development, and intelligent automation systems. We help businesses build scalable, modern, and high-performance digital products across web technologies, artificial intelligence, e-commerce, mobile applications, embedded electronics, automation, and Salesforce ecosystems. Services Offered: • Web Development Custom websites, SaaS platforms, dashboards, portals, and scalable web applications with modern user experiences. • AI Solutions Design and development of intelligent systems using OpenAI, Claude, Gemini, LangChain, LangGraph, RAG pipelines, AI agents, realtime AI, voice AI, and workflow automation. • E-Commerce Development Custom e-commerce platforms, subscriptions, payment gateways, marketplaces, and conversion-focused shopping experiences. • Mobile App Development Cross-platform and native-feeling mobile applications for iOS and Android designed for customer engagement and business workflows. • Electronics & Embedded Systems Custom electronics solutions including IoT devices, microcontroller firmware, sensor integrations, edge AI systems, Raspberry Pi, ESP32, Arduino, hardware prototypes, and connected device platforms. • Automation Services Workflow automation using N8N, Airtable, Zapier, Make.com, API orchestration, CRM integrations, and business process automation. • Salesforce Development Salesforce CRM customization, integrations, dashboards, data synchronization, and workflow automation. Deliverables: • Landing Pages • Corporate Websites • SaaS Platforms • Web Applications • AI Systems & Agents • RAG Platforms • Voice AI Solutions • Mobile Applications • IoT and Embedded Systems • CRM Implementations • Workflow Automation Platforms • Dashboards and Reporting Systems • API Integrations • Custom Software Solutions Tools and Technologies: • Frontend & Web Technologies React, Next.js, Vue.js, Nuxt.js, Svelte, TypeScript, JavaScript, PHP, Tailwind CSS • Backend & Cloud Node.js, NestJS, Python (FastAPI, Flask, Django), PostgreSQL, Supabase, Firebase, AWS, Azure, GCP, Docker, Kubernetes, CI/CD • AI & Machine Learning OpenAI, Claude, Gemini, LangChain, LangGraph, LlamaIndex, Pinecone, Weaviate, TensorFlow, PyTorch • Mobile Development Flutter, React Native, Swift, Kotlin • Electronics & IoT ESP32, Arduino, Raspberry Pi, STM32, MQTT, Bluetooth Low Energy (BLE), Edge AI, Sensor Networks • Automation & CRM Salesforce, N8N, Airtable, Zapier, Make.com • Design & Collaboration Figma, Adobe XD, Photoshop, GitHub, GitLab With multidisciplinary expertise and real-world product experience, WebAIProTech focuses on building innovative, scalable, and efficient solutions that help businesses grow, automate operations, and unlock new opportunities. Whether it's a startup MVP, AI-powered platform, mobile application, enterprise system, or connected IoT product, we provide the technical expertise to bring ideas to life.

Security PHP ASP C Programming JavaScript

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Sajat Prasad S.

5.0

5.4

100%

banya, Australia

$50 USD per hour

Exceeding expectations. Building products that move businesses forward. As I'm a senior software engineer, I led a full-stack software engineering team focused on delivering scalable, high-performance digital products across web, mobile, cloud, AI, and automation platforms. I help startups, growing businesses, and product teams design, build, and scale production-ready applications with modern architecture and practical AI integration. With 7+ years of hands-on engineering experience and a broader team with 10+ years delivering digital products, we build software that is scalable, maintainable, secure, and aligned with business outcomes from day one. From architecture and MVP development to deployment and long-term scaling, we focus on turning ideas into reliable products that improve operations, automate workflows, and create better user experiences. What We Deliver AI-powered business automation and workflow systems Custom web applications and SaaS platforms Cross-platform mobile applications Scalable backend systems, APIs, and cloud architecture E-commerce solutions with Shopify, BigCommerce, WooCommerce, and Magento Product optimization, testing, monitoring, and CI/CD UI/UX-focused product development Blockchain and dApp product development AI & Automation Expertise I specialize in applying AI where it creates measurable product value: Intelligent workflow automation LLM-powered assistants and conversational systems Recommendation engines and personalization Predictive analytics and data-driven product features Integration with OpenAI APIs and custom ML services End-to-end AI pipelines from data processing to deployment Core Strengths End-to-end ownership From product planning and system architecture to deployment and scaling. Scalable architecture Built for performance, maintainability, and long-term growth. Business-first engineering Technology choices focused on speed, cost-efficiency, and product outcomes. Reliable execution Clear communication, clean code, and practical delivery. If you need a software engineer that can architect, build, and scale modern digital products — while integrating practical AI capabilities where they create real business value — I'm ready to help. Thanks

Security PHP Java JavaScript Python

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Nishchal K.

5.0

0.2

100%

Brisbane, Australia

$30 USD per hour

http://www.kush.com.fj I'm a computer science graduate (BIT QUT) with a double major in software engineering and data communications. Later I gained information security qualification (MIT QUT). I have a keen interest in all thing information security, but recent experience in security operations with research interests in industrial control systems.

Security Python System Admin Linux Computer Security

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Iqra J.

5.0

1.6

100%

Claremont, Australia

$26 USD per hour

I am an enthusiastic and motivated Security Engineer with a growing foundation in securing systems, applications, and cloud environments. I specialise in identifying vulnerabilities, improving security posture, and supporting teams with practical, hands-on security controls. With a strong interest in threat detection, incident response, and secure infrastructure, I actively apply industry best practices to strengthen systems against evolving risks. I have experience working across asset discovery, vulnerability assessment, and system hardening, as well as assisting with security tool management, log analysis, and remediation planning. I enjoy solving technical problems, documenting findings clearly, and collaborating with teams to make environments safer and more resilient. Driven by continuous learning, I stay committed to expanding my skills in SIEM monitoring, cloud security, endpoint protection, and secure configuration. As an early-career engineer, I bring curiosity, discipline, and a willingness to take ownership—ensuring every security task is executed with accuracy, responsibility, and long-term improvement in mind.

Security Web Security Product Sourcing Freelance Technical Support

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Clients rate our Security Engineers

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from 24,856 reviews

How to hire a great freelance Security Engineer

A security engineer is a cybersecurity professional who designs, implements, and maintains the systems, controls, and processes that protect an organization's networks, applications, and data from threats. Hiring a freelance security engineer gives you on-demand access to specialized expertise without the overhead of a full-time hire, whether you need a one-time security audit, ongoing infrastructure hardening, or incident response support.

What does a freelance security engineer do?

Security engineers build the technical defenses that keep businesses safe from cyberattacks, data breaches, and compliance violations. Their work spans prevention, detection, and response, covering everything from firewall configuration to threat modeling and forensic investigation.

A freelance security engineer typically delivers measurable outcomes such as a hardened cloud environment, a documented vulnerability assessment, a deployed SIEM platform, or a remediated incident report. The commercial value is direct: every prevented breach saves on regulatory fines, downtime, customer churn, and reputational damage.

Core services and deliverables

Security engineering work covers a broad range of technical and advisory tasks. Common deliverables a freelance security engineer can produce include:

Vulnerability assessments and penetration testing reports

Cloud security architecture for AWS, Microsoft Azure, and Google Cloud Platform

Network segmentation, firewall rule design, and intrusion detection system (IDS) deployment

Identity and access management (IAM) configuration, including SSO and MFA rollouts

SIEM implementation and tuning using tools like Splunk, Elastic Security, or IBM QRadar

Endpoint detection and response (EDR) deployment with platforms such as CrowdStrike or SentinelOne

Secure code review and DevSecOps pipeline integration

Compliance readiness for SOC 2, ISO 27001, HIPAA, PCI-DSS, and GDPR

Incident response planning, tabletop exercises, and post-incident forensics

Security policy documentation, risk assessments, and threat modeling

Tools and technologies security engineers use

Strong security engineers are fluent across an extensive toolchain. When reviewing candidates, look for hands-on experience with the platforms relevant to your stack.

Offensive security: Burp Suite, Metasploit, Nmap, Kali Linux, OWASP ZAP

Vulnerability management: Nessus, Qualys, Rapid7 InsightVM, OpenVAS

Cloud security: AWS GuardDuty, Azure Sentinel, Prisma Cloud, Wiz

SIEM and monitoring: Splunk, Elastic Stack, Datadog Security, Microsoft Sentinel

Code and container security: Snyk, SonarQube, Trivy, Aqua Security

IAM and secrets management: Okta, Auth0, HashiCorp Vault, AWS IAM

Frameworks and standards: NIST CSF, MITRE ATT&CK, CIS Benchmarks, OWASP Top 10

Industries and use cases

Demand for cybersecurity expertise spans nearly every sector that handles sensitive data or operates online infrastructure. Common engagements include:

Fintech and banking firms preparing for PCI-DSS audits or building secure payment systems

Healthcare organizations needing HIPAA-compliant cloud environments and EHR protections

SaaS startups pursuing SOC 2 Type II certification ahead of enterprise sales

E-commerce businesses defending against credential stuffing, fraud, and supply chain attacks

Government contractors aligning to NIST 800-171 or CMMC requirements

Manufacturing and energy companies securing operational technology (OT) and IoT environments

How to evaluate a freelance security engineer

Cybersecurity is a high-trust discipline, so vet candidates carefully. Look for credentials such as CISSP, OSCP, CEH, CISM, GIAC certifications (GSEC, GPEN, GCIH), or cloud-specific certs like AWS Certified Security – Specialty. Strong portfolios include sanitized penetration testing reports, public CVE disclosures, contributions to open-source security projects, or write-ups on platforms like HackerOne and Bugcrowd.

Beyond credentials, assess communication skills. A great security engineer can translate technical risk into business impact for non-technical stakeholders. Sample interview questions to use:

Walk me through how you would approach a security assessment of a new web application from scratch.

How do you prioritize vulnerabilities when a scanner returns hundreds of findings?

Describe a time you led incident response for a confirmed breach. What was your containment strategy?

How would you design least-privilege IAM for a multi-account AWS environment?

What is your process for integrating security testing into a CI/CD pipeline without slowing developer velocity?

Why hire security engineers on Freelancer.com

Freelancer.com gives you access to a global network of vetted cybersecurity professionals, including penetration testers, cloud security architects, compliance consultants, and SOC analysts. You can review portfolios, certifications, and verified client reviews before you hire on Freelancer.com, ensuring the freelancer's experience matches your specific stack and risk profile.

Clients set their own budgets and receive competitive bids from qualified candidates worldwide, making it straightforward to find the right specialist for engagements ranging from a single vulnerability scan to a multi-month SOC 2 readiness program. Milestone Payments protect both parties throughout the engagement, and built-in chat lets you discuss scope and confidentiality requirements before awarding the project.

Post a project on Freelancer.com today and connect with skilled security engineers ready to assess, harden, and defend your systems.

What are the steps to hiring a freelance security engineer?

Hiring a security engineer is a structured process that rewards a precise brief and careful candidate review. Because security work touches sensitive systems, your goal is to attract specialists whose technical background, certifications, and discretion match the sensitivity of the engagement. The three steps below walk through how to post, evaluate bids, and award the project on Freelancer.com.

Step 1: Post your project on Freelancer.com

The brief you write determines the calibre of bids you receive. For security engineering, ambiguity attracts generalists — specificity attracts the right specialists. Head to the post project page , where you fill in the brief, scope, timeline, and budget before publishing the project for freelancers to bid on.

State the engagement type clearly: penetration test, cloud audit, SIEM deployment, SOC 2 readiness, incident response, etc.

Describe the environment in scope — cloud provider (AWS, Azure, GCP), on-premises systems, application stack, and approximate size

List required certifications or experience signals (CISSP, OSCP, AWS Security Specialty, prior SOC 2 work)

Specify compliance frameworks involved, such as HIPAA, PCI-DSS, ISO 27001, or GDPR

Note deliverable formats expected: executive summary, technical report, remediation roadmap, or hardened configurations

Include timeline expectations and whether NDA execution is required before scoping discussions

Step 2: Review bids from freelancers

Bids on a security project are short proposals, not just price quotes. A strong proposal will demonstrate that the freelancer understood the technical context, has thought through methodology, and can articulate their approach in business terms. Read each bid carefully and shortlist candidates whose approach aligns with the threat model you care about.

Look for references to specific methodologies — OWASP, MITRE ATT&CK, NIST CSF, PTES — that match your engagement

Check whether the freelancer raises smart clarifying questions about scope, rules of engagement, or data handling

Assess timeline realism; rushed pen-test estimates often signal shallow coverage

Look for sample sanitized reports, CVE disclosures, or HackerOne profiles attached to the bid

Confirm tool proficiency relevant to your stack (Burp Suite, Splunk, Wiz, Nessus, etc.)

Use Freelancer.com's chat to ask follow-up questions and gauge communication clarity before shortlisting

Step 3: Evaluate freelancers and award the project

The final decision combines proposal quality with profile evidence. For cybersecurity, consistency matters more than a single standout project — you want a freelancer whose past work shows repeatable rigor across multiple engagements. Review each shortlisted profile in depth before awarding.

Examine portfolio depth and relevance: are the past engagements similar in technology, scale, and compliance scope?

Review star ratings alongside the volume of completed projects to gauge consistency

Read written client reviews for mentions of communication, thoroughness, and discretion

Check for verified payment method, identity verification, and any listed certifications

Look at completion rate and on-time delivery rate as signals of professional reliability

Award the project to your top candidate and use Milestone Payments to release funds as deliverables — scoping document, draft report, final remediation plan — are completed and approved

How long does a security engineering project take?

Timelines vary widely by scope. A focused penetration test or configuration review can take one to two weeks, while a full SOC 2 readiness program or zero-trust architecture rollout may run several months. Defining clear deliverables in your brief helps freelancers propose realistic timelines.

Can I hire a security engineer for a one-off project?

Yes. Many clients post one-time projects such as a vulnerability assessment, cloud configuration audit, or incident response engagement. Freelancer.com supports both fixed-price one-off work and longer retainer arrangements for ongoing security operations.

What is the difference between a security engineer and a penetration tester?

A security engineer designs and builds defensive systems — firewalls, IAM, monitoring, and secure architectures. A penetration tester focuses on offensive testing, simulating attacks to find weaknesses. Many freelancers offer both, but for adversarial testing specifically, look for OSCP or similar offensive credentials.

Do I need a security engineer or a managed security service?

A freelance security engineer is ideal for project-based work, architecture design, or specialist consulting. A managed service is better suited to 24/7 monitoring at scale. Many businesses use freelancers to design and harden systems, then hand off ongoing monitoring to internal teams or providers.

What information should I share with a security engineer?

Share enough context to scope the work — your tech stack, cloud providers, compliance targets, and the systems in scope. Sensitive credentials, network diagrams, and source code should only be exchanged after signing an NDA, which is standard practice in security engagements.