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Code 3 Security Jobs in Missouri (NOW HIRING)

Walmart is seeking a Software Engineer III to contribute to the design, development, and delivery ... Develop, test, and maintain code adhering to coding standards, ensuring security, performance, and ...

(USA) Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

Walmart is seeking a Software Engineer III to contribute to the design, development, and delivery ... Develop, test, and maintain code adhering to coding standards, ensuring security, performance, and ...

The (USA) Software Engineer III plays a critical role in designing, developing, and delivering ... Skilled in documentation-based coding and maintaining code quality aligned with security standards.

(USA) Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

The (USA) Software Engineer III plays a critical role in designing, developing, and delivering ... Skilled in documentation-based coding and maintaining code quality aligned with security standards.

(USA) Software Engineer III

Anderson, MO · On-site

$90K - $180K/yr

The (USA) Software Engineer III plays a critical role in designing, developing, and delivering ... Skilled in documentation-based coding and maintaining code quality aligned with security standards.

Security Officer

Saint Louis, MO · On-site

$15.50 - $18.50/hr

... 3% contribution; medical, dental and vision insurance; flexible spending accounts and long term ... Remains alert for unauthorized individuals and/or security code violators. Approach suspicious ...

Relaxed Dress Code: At Caleres, we believe that the right shoes can take you anywhere, and your ... Bachelor's degree in Information Systems and 3 years' experience; Or 5+ years in IT Security field ...

Security Officer

Saint Louis, MO · On-site

$15 - $17.75/hr

... 3% contribution; medical, dental and vision insurance; flexible spending accounts and long term ... Remains alert for unauthorized individuals and/or security code violators. Approach suspicious ...

The (USA) Software Engineer III plays a critical role in designing, developing, and delivering ... Develop, test, and maintain code ensuring compliance with coding standards and security policies.

What you'll do... Role summary: As a Software Engineer III, you will lead the design and ... coding, testing, and deployment while ensuring adherence to quality and security standards. You ...

(USA) Software Engineer III

Anderson, MO · On-site

$90K - $180K/yr

What you'll do... Role summary: As a Software Engineer III, you will lead the design and ... coding, testing, and deployment while ensuring adherence to quality and security standards. You ...

(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 ... coding, testing, and deployment while ensuring adherence to quality and security standards. You ...

(USA) Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

The (USA) Software Engineer III plays a critical role in designing, developing, and delivering ... Develop, test, and maintain code ensuring compliance with coding standards and security policies.

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

Anderson, MO · On-site

$90K - $180K/yr

The (USA) Software Engineer III plays a critical role in designing, developing, and delivering ... Develop, test, and maintain code ensuring compliance with coding standards and security policies.

(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 ...

Showing results 21-40

Code 3 Security information

See Missouri salary details

$10

$17

$23

How much do code 3 security jobs pay per hour?

As of Aug 15, 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 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 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.

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 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 are popular job titles related to Code 3 Security jobs in Missouri?

For Code 3 Security jobs in Missouri, the most frequently searched job titles are:

Infographic showing various Code 3 Security job openings in Missouri as of August 2026, with employment types broken down into 94% Full Time, and 6% Nights. Highlights an 77% In-person, and 23% Remote job distribution, with an average salary of $37,136 per year, or $17.9 per hour.

(USA) Software Engineer III

Walmart

Cassville, MO • On-site

$90K - $180K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 21 days ago


Walmart rating

6.0

Company rating: 6.0 out of 10

Based on 22,421 frontline employees who took The Breakroom Quiz

25th of 39 rated national retailers


Job description

Position Summary... What you'll do...Role summary:
Walmart is seeking a Software Engineer III to contribute to the design, development, and delivery of software solutions for small to large projects. This role involves collaborating with cross-functional teams to analyze requirements, develop code, perform testing, and troubleshoot issues to ensure high-quality, scalable, and maintainable applications. The position requires technical expertise in coding, debugging, and continuous integration, along with the ability to support business needs. The successful candidate will drive project success through effective communication, problem-solving, and adherence to development standards.
About the team:
Walmart’s Global Sourcing Technology team develops and maintains software that supports sourcing quality products at competitive prices, enabling customers to save money. The team focuses on enhancing user experience through advanced technology and innovative solutions. As part of this team, you will participate in software design and implementation, ensure adherence to micro-service architecture, and promote engineering efficiency. Collaborating closely with cross-functional teams, you will address complex challenges and contribute to delivering reliable, scalable software solutions that drive business value and operational excellence.
What you'll do:
  • Collaborate with cross-functional teams to define high-level designs and translate requirements into scalable technical solutions.
  • Develop, test, and maintain code adhering to coding standards, ensuring security, performance, and reliability.
  • Troubleshoot and resolve production issues through root cause analysis and implement corrective actions.
  • Automate repetitive tasks and support continuous integration and delivery pipelines.
  • Monitor application performance and implement improvements to enhance stability and scalability.
  • Support business users by addressing technical inquiries and recommending sustainable solutions.

What you'll bring:
  • Proven experience in software design, development, and delivery within Agile environments.
  • Strong proficiency in object-oriented programming and coding standards using languages such as React, JavaScript, Java or Python
  • Ability to perform root cause analysis and troubleshoot complex production and business issues effectively.
  • Experience with continuous integration and continuous delivery (CI/CD) pipelines and automation scripting.
  • Knowledge of API design, platform development, and component services.
  • Skilled in test case creation, execution, and defect management using relevant tools.
  • Demonstrated capability to manage small to large complex projects and collaborate cross-functionally.
  • Technical acumen in telemetry, debugging, and security policy implementation during development.
At Walmart, 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 (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more. 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. Live Better U is a Walmart-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 :
- Stock

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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... 701 Respect Dr, Bentonville, AR 72716, 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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About Walmart

Sourced by ZipRecruiter

From our humble beginnings as a small discount retailer in Rogers, Ark., Walmart has opened thousands of stores in the U.S. and expanded internationally. Through innovation, we're creating a seamless experience to let customers shop anytime and anywhere online and in stores. We are creating opportunities and bringing value to customers and communities around the globe. Walmart operates approximately 10,500 stores and clubs in 19 countries and eCommerce websites. We employ 2.1 million associates around the world — nearly 1.6 million in the U.S. alone.

Industry

Retail and transportation and warehousing

Company size

10,000+ Employees

Headquarters location

Bentonville, AR, US

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