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Code 3 Security Jobs in Missouri (NOW HIRING)

(USA) Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

What you'll do... Role summary: As a Software Engineer III, you will lead the design and ... code and contribute to continuous improvement initiatives that enhance performance, security, and ...

What you'll do... Role summary: As a Software Engineer III, you will lead the design and ... code and contribute to continuous improvement initiatives that enhance performance, security, and ...

(USA) Software Engineer III

Anderson, MO · On-site

$90K - $180K/yr

Write clean, minimalistic code following coding standards and best practices across multiple ... Implement telemetry and security features to meet compliance and performance standards. * Create ...

(USA) Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

Write clean, minimalistic code following coding standards and best practices across multiple ... Implement telemetry and security features to meet compliance and performance standards. * Create ...

Security Engineer

Creve Coeur, MO · On-site +1

$80K - $150K/yr

The ideal candidate has 2-3 years of cybersecurity experience, a strong SOC foundation, hands-on ... Infrastructure as Code: Familiarity with Terraform, CloudFormation, CDK, or similar tools.

Contribute to secure coding practices, reusable patterns, and continuous improvement across ... The ~3,000 professionals in DT - US deliver services including: * Cyber Security * Technology ...

Contribute to secure coding practices, reusable patterns, and continuous improvement across ... The ~3,000 professionals in DT - US deliver services including: * Cyber Security * Technology ...

Base44 Vibe Coding

Saint Louis, MO · On-site

$22 - $29.50/hr

Ensure code quality, security, and compliance with project standards. * Provide feedback on AI-driven development workflows and suggest improvements. Required Skills & Experience * 3-5 years of ...

(USA) Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

As a Software Engineer III, you will lead the design and development of scalable technical ... code quality, security, and maintainability. You will also provide guidance to engineering peers ...

Develop, test, and maintain scalable, secure, and high-quality code following coding standards and ... Strong problem-solving skills with a focus on quality, security, and performance. At Walmart, we ...

As a Software Engineer III, you will lead the design and development of scalable technical ... code quality, security, and maintainability. You will also provide guidance to engineering peers ...

(USA) Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

Develop, test, and maintain scalable, secure, and high-quality code following coding standards and ... Strong problem-solving skills with a focus on quality, security, and performance. At Walmart, we ...

(USA) Software Engineer III

Anderson, MO · On-site

$90K - $180K/yr

As a Software Engineer III, you will lead the design and development of scalable technical ... code quality, security, and maintainability. You will also provide guidance to engineering peers ...

Showing results 41-60

Code 3 Security information

See Missouri salary details

$10

$17

$23

How much do code 3 security jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for code 3 security in Missouri is $17.85, according to ZipRecruiter salary data. Most workers in this role earn between $14.42 and $17.60 per hour, depending on experience, location, and employer.

What is Code 3 Security?

Code 3 Security typically refers to a private security company that provides security guard services, patrols, and emergency response for businesses, residential communities, and events. These companies employ trained security officers to deter crime, monitor premises, and respond to incidents as needed. Code 3 Security may also offer specialized services such as surveillance, alarm response, and risk assessments. The term 'Code 3' is often used in law enforcement and emergency services to indicate an urgent situation requiring immediate response, which reflects the company's focus on rapid and effective security solutions.

What are the key skills and qualifications needed to thrive as a Code 3 Security officer?

To thrive as a Code 3 Security Officer, you generally need a high school diploma or GED, strong observational skills, and relevant security certifications or licenses. Familiarity with security systems, surveillance equipment, and incident reporting tools is typically required. Excellent communication, situational awareness, and the ability to remain calm under pressure are standout soft skills in this role. These skills ensure the safety of people and property, effective response to emergencies, and strong client trust in security operations.

What are some common challenges faced by security officers at Code 3 Security, and how can they be managed effectively?

Security officers at Code 3 Security often encounter challenges such as handling difficult or confrontational individuals, adapting to varying shift schedules, and staying vigilant during long periods of surveillance. To manage these effectively, officers receive training in conflict resolution, clear communication, and situational awareness. Additionally, teamwork and regular briefings help ensure everyone is informed about ongoing concerns and protocols, fostering a supportive work environment where officers can rely on each other for backup when needed.

What is the difference between Code 3 Security vs Security Guard?

AspectCode 3 SecuritySecurity Guard
Required CertificationsSecurity license, CPR/First AidSecurity license, CPR/First Aid
Work EnvironmentEvent security, private properties, corporate settingsCommercial, residential, event venues
Employer & Industry UsageSecurity companies, private clientsSecurity firms, private and public sectors

Both Code 3 Security and Security Guard roles require similar certifications and often operate in comparable environments. However, Code 3 Security typically refers to a specific security service level or company name, while Security Guard is a general job title. Understanding these distinctions helps job seekers find the right opportunities in the security industry.

Infographic showing various Code 3 Security job openings in Missouri as of August 2026, with employment types broken down into 79% Full Time, and 21% Part Time. Highlights an 100% In-person job distribution, with an average salary of $37,136 per year, or $17.9 per hour.

(USA) Software Engineer III

Sam's Club

Noel, MO • On-site

$90K - $180K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 2 days ago


Sam's Club rating

6.5

Company rating: 6.5 out of 10

Based on 2,030 frontline employees who took The Breakroom Quiz

15th of 39 rated national retailers


Job description

Position Summary... What you'll do...Role summary:
As a Software Engineer III, you will lead the design and development of scalable software solutions by collaborating with cross-functional teams including product management and user experience. You will troubleshoot complex issues, perform root cause analysis, and drive resolution strategies to ensure system reliability. This role involves managing projects from requirements gathering through coding, testing, and deployment while mentoring junior engineers. You will apply technical expertise to deliver high-quality, maintainable code and contribute to continuous improvement initiatives that enhance performance, security, and user satisfaction across platforms.
About the team:
The Sam’s Tech Member Desk Engineering team develops technology that supports Member Services across Sam’s Club locations nationwide. Their applications enable associates to efficiently manage membership sign-ups, renewals, upgrades, purchases, and returns. Within this team, the Express Returns group is enhancing the returns process to be faster and more seamless for members and associates. Engineers collaborate closely with Product, UX, and business teams to solve complex challenges, shape technology roadmaps, and deliver scalable, high-performance solutions that improve in-club experiences and create measurable impact.
What you'll do:
  • Collaborate with product managers, designers, and backend engineers to develop high-quality iOS and Android mobile applications using React Native.
  • Write clean, maintainable, and efficient code for front end components, ensuring performance and scalability.
  • Work closely with the design team to implement pixel-perfect UI/UX designs and ensure a consistent user experience across all devices and platforms.
  • Optimize application performance and troubleshoot issues related to the front end of the application.
  • Participate in code reviews and provide constructive feedback to ensure code quality and adherence to coding standards.
  • Collaborate with cross-functional teams to define and prioritize feature requirements and deliver high-quality solutions on time.

What you'll bring:
  • Proven frontend/mobile engineering experience, with strong expertise in React Native, JavaScript (ES6+), and TypeScript.
  • Proficiency with the React ecosystem, including Redux, Hooks, functional components, Storybook, Axios, Formik, and related libraries.
  • Strong understanding of responsive design, mobile performance, and native iOS/Android integrations.
  • Experience integrating RESTful APIs and/or GraphQL and using Git.
  • Strong problem-solving, debugging, communication, and cross-functional collaboration skills.
  • Familiarity with analytics/monitoring tools (Grafana, Quantum Metric, Azure App Insights) and GenAI developer productivity tools.
  • Bachelor’s degree in Computer Science, Engineering, or a related field.
At Sam's Club, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet!
-Health benefits include medical, vision and dental coverage
-Financial benefits include 401(k), stock purchase and company-paid life insurance
-Paid time off benefits include PTO, parental leave, family care leave, bereavement, jury duty, and voting. You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.
For information about PTO, see https://one.walmart.com/notices.
- Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.
Live Better U is a company paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.
For information about benefits and eligibility, see One.Walmart.
The annual salary range for this position is $90,000.00 - $180,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include Regional Pay Zone (RPZ) (based on location).

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Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 2 years’ experience in software engineering or related area.
Option 2: 4 years’ experience in software engineering or related area. Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area, We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture. Masters: Computer Science Primary Location... 2101 Se Simple Savings Dr, Bentonville, AR 72712-4304, United States of America Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.

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