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Senior Software Developer Jobs in Missouri (NOW HIRING)

The Senior Software Engineer, Information Security, plays a critical role in designing, developing, and maintaining advanced security solutions to protect enterprise systems. This position involves ...

The Senior Software Engineer, Information Security, plays a critical role in designing, developing, and maintaining advanced security solutions to protect enterprise systems. This position involves ...

As a Senior Software Engineer in Information Security, you will design, develop, and support enterprise Identity and Access Management (IAM) solutions. This role will drive identity modernization ...

As a Senior Software Engineer in Information Security, you will design, develop, and support enterprise Identity and Access Management (IAM) solutions. This role will drive identity modernization ...

As a Senior Software Engineer in Information Security, you will design, develop, and support enterprise Identity and Access Management (IAM) solutions. This role will drive identity modernization ...

$184K - $225K/yr

As a Sr. Software Developer III , you will design, build, and deliver secure, reliable software solutions for a highly visible, mission-critical customer supporting national-level operations. You ...

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

Sr. Software Developer

Kansas City, MO · On-site

$53 - $70.25/hr

Strong understanding: of object-oriented programming (OOP) principles & design patterns * Extensive experience with database systems and SQL * Familiarity with Git version control system. * Azure ...

Sr Software Engineer

Lake Saint Louis, MO · On-site

$116K - $153K/yr

Job Title: Sr. Software Developer Location: St. Louis, MO Relevant Experience Needed: 8+ years Contract Duration: 12+ months Experience Summary: * Strong Experience in Core Java , Spring and Web ...

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Title and Summary Senior Software Engineer Who We Are Mastercard powers economies and empowers ... Experience with CI/CD pipelines and DevOps engineering practices. Knowledge of observability ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Title and Summary Senior Software Engineer Who We Are Mastercard powers economies and empowers ... CI/CD pipelines and DevOps engineering practices. • Knowledge of observability tooling ...

Senior Software Engineer - Java Developer

MO · On-site

$53.50 - $68.25/hr

Senior Software Engineer (Java Developer) Location: O'fallon, Missouri Duration: 24 months Experiece: 7+ years Skills summary: • Advanced in with Linux and Java development (JDK 1.7 or greater ...

Sr. Software Engineer

Hazelwood, MO · On-site

$115K - $152K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

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Senior Software Developer information

See Missouri salary details

$14

$57

$82

How much do senior software developer jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for senior software developer in Missouri is $57.90, according to ZipRecruiter salary data. Most workers in this role earn between $49.13 and $64.95 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Software Developer, and why are they important?

To thrive as a Senior Software Developer, you need deep expertise in programming languages, software architecture, and problem-solving, typically backed by a bachelor’s degree in computer science or a related field. Proficiency with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is standard, and certifications in these areas can be beneficial. Leadership, strong communication, and mentoring abilities set standout candidates apart in this role. These skills ensure that complex projects are delivered efficiently, code quality is maintained, and junior team members are effectively guided for overall team success.

What Is a Senior Software Developer?

Senior software developers have several years of experience in the software industry. They have proven successful in exceeding client expectations when developing programs and have provided excellent support in the managing of those applications. They have worked their way up from junior software developer positions and have mastered a variety of coding languages and programs. Senior software developers train and oversee a team of junior software developers.

What kinds of projects and responsibilities can a Senior Software Developer expect to handle on a daily basis?

As a Senior Software Developer, you’ll typically be responsible for leading complex development projects, designing technical solutions, and mentoring junior team members. Daily tasks often include writing and reviewing code, participating in architecture discussions, collaborating with cross-functional teams (such as QA, product management, and DevOps), and troubleshooting high-level technical issues. You may also be involved in setting coding standards, conducting code reviews, and helping to plan sprints or project roadmaps.

What are Senior Software Developers?

Senior Software Developers are experienced professionals who design, develop, and maintain complex software applications. They often lead development teams, mentor junior developers, and make critical architectural decisions. Their responsibilities include writing high-quality code, troubleshooting technical issues, and ensuring that software projects meet performance and security standards. With deep expertise in programming languages and software engineering principles, they play a key role in delivering successful technology solutions for organizations.

What is the difference between Senior Software Developer vs Software Engineer?

AspectSenior Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's or higher in CS or related field; similar experience levels
Work EnvironmentCollaborates on complex projects, mentors juniors, leads technical effortsDesigns, develops, tests software; may work on specific modules or systems
Industry UsageCommonly used in tech companies, startups, and enterprise firmsWidely used across industries, often interchangeable with developer roles

The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

What are the most commonly searched types of Software Developer jobs in Missouri? The most popular types of Software Developer jobs in Missouri are:
What cities in Missouri are hiring for Senior Software Developer jobs? Cities in Missouri with the most Senior Software Developer job openings:
What are popular job titles related to Senior Software Developer jobs in MO? For Senior Software Developer jobs in MO, the most frequently searched job titles are:
Infographic showing various Senior Software Developer job openings in Missouri as of July 2026, with employment types broken down into 85% Full Time, 3% Part Time, 1% Temporary, and 11% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $120,440 per year, or $57.9 per hour.
Javascript Senior Software Developer

Javascript Senior Software Developer

Walmart

Noel, MO • On-site

$90K - $180K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 22 days ago


Walmart rating

6.0

Company rating: 6.0 out of 10

Based on 22,045 frontline employees who took The Breakroom Quiz

24th of 39 rated national retailers


Job description

Position Summary... What you'll do...Role summary:
The Senior Software Engineer, Information Security, plays a critical role in designing, developing, and maintaining advanced security solutions to protect enterprise systems. This position involves analyzing business requirements, troubleshooting complex issues, and implementing security controls automation following established development life cycles. The role requires collaboration with cross-functional teams to ensure system reliability, scalability, and compliance with security standards. The engineer will provide expert guidance, lead problem resolution efforts, and contribute to continuous improvement initiatives that support business objectives and safeguard organizational assets.
About the team:
The Security Partners Engineering team focuses on protecting applications, platforms, infrastructure, and services by automating security control assessments. This team designs secure, resilient services and AI-driven workflows to enhance security evaluation and reduce enterprise risk. Collaborating closely with development teams, they improve productivity and maintain robust security standards. The team values technical expertise in cloud security, application security, automation, and software development life cycle processes. Members contribute to scalable, maintainable solutions that support Walmart’s commitment to secure and reliable technology environments.
What you'll do:
  • Create and maintain secure APIs along with frameworks for service-to-service or Agentic communications.
  • Architect scalable, highly available backend systems that process and validate security control evidence.
  • Build resilient integrations across security tooling ecosystems (scanners, CI/CD, internal APIs).
  • Develop pipelines that helps preserve audit integrity and traceability.
  • Build consumer APIs and aggregate data originating from telemetry signals and sensors, in a scalable backend database
  • Manage Agents, MCP servers, APIs, and infrastructure components that form part of our Security controls and Golden Path ecosystem.
  • Incorporate AI-driven workflows that include safeguards for secure coding and compliance validation.
  • Reduce security review cycle times while strengthening control consistency and audit defensibility. 

What you'll bring:
  • As a Senior software engineer, experience in building scalable, resilient, secure enterprise application platforms using microservices, APIs, and backend technologies. 
  • Expert skills in programming language such as Java or Python and in interfacing with a backend database using SQL queries.
  • Working experience in Cloud solutions platforms and CI/CD pipeline. 
  • Knowledge of triaging and fixing bugs in a microservice, n tier architecture and in big data platforms. 
  • Awareness about information security domains, specifically application security with static security scanning, Software composition analysis, vulnerabilities, threats, and exploits. 
  • Skilled in troubleshooting, debugging, and maintaining complex software systems.
  • Effective communication skills for collaborating with technical teams and stakeholders.
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.

Bachelor’s degree in Computer Science, Information Technology, or related field and 5 years' experience in information technology within the past
10 years OR 7 years' experience in information technology or related field within the past 10 years. Preferred Qualifications...

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

Certified Intrusion analyst (GCIAs), GIAC Certified Enterprise Defender (GCED), Certified Geographic Information Systems Professional (GISP), GIAC Certified Incident Handler (GCIH), Certified Information Systems Security Professional (CISSP), Certified Information Systems Auditor (CISA), GIAC Security Essentials Certification (GSEC), and/or Security+ certification, Leading Technical Team, Mainframe Technology, Professional certification in information technology relevant to the job under consideration (for example, Java, C/C++, mainframe technologies, SAP, Microsoft .Net, business intelligence tools, SQL technology), Programming language or languages (for example, Java, C/C++, .NET, Rexx, Cobol, Powershell), SAP, SQL technology, Version control software (for example, Subversion, Git, Librarian), 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. Primary Location... 805 Se Moberly Ln., Bentonville, AR 72712, 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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