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Secure Software Developer Jobs in Missouri (NOW HIRING)

Developing back-end services, APIs, and integrations to support scalable and secure applications ... Qualifications * Bachelor's degree in Computer Science, Software Engineering, Information ...

Developing back-end services, APIs, and integrations to support scalable and secure applications ... Qualifications * Bachelor's degree in Computer Science, Software Engineering, Information ...

We are hiring a Senior Software Engineer to help evolve our enterprise SSO platform within IAM ... You will build secure, scalable authentication services leveraging modern federation standards and ...

Developing back-end services, APIs, and integrations to support scalable and secure applications ... Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related ...

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ... Using secure data, networks, partnerships, and passion, our innovations help individuals, financial ...

Design and implement secure, scalable microservices in cloud environments such as AWS GovCloud or ... Collaborate with cross-functional teams including analysts, UI/UX designers, DevOps engineers, and ...

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ... Using secure data, networks, partnerships, and passion, our innovations help individuals, financial ...

... secure solutions aligned with business goals. Emphasizing collaboration and continuous improvement, the team applies advanced software development and DevOps practices to deliver reliable, high ...

... secure solutions aligned with business goals. Emphasizing collaboration and continuous improvement, the team applies advanced software development and DevOps practices to deliver reliable, high ...

... secure solutions aligned with business goals. Emphasizing collaboration and continuous improvement, the team applies advanced software development and DevOps practices to deliver reliable, high ...

Software Engineer II

O Fallon, MO · On-site

$91K - $124K/yr

We support a wide range of digital payments choices, making transactions secure, simple, smart and ... Title and Summary Software Engineer II Overview The Transaction Switching team is looking for a ...

Lead the transition of legacy software development environments into secure, cloud-enabled ... and developer productivity. * Mentor, coach, and build technical capabilities across the team ...

Lead the transition of legacy software development environments into secure, cloud-enabled ... and developer productivity. * Mentor, coach, and build technical capabilities across the team ...

Software Engineer II

O Fallon, MO · On-site +1

$91K - $124K/yr

Title and Summary Software Engineer II Overview The Transaction Switching team is looking for a Software Engineer II to help drive our software delivery strategy forward by building secure, reliable ...

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Showing results 1-20

Secure Software Developer information

See Missouri salary details

$45K

$104.9K

$155.7K

How much do secure software developer jobs pay per year?

As of Jun 18, 2026, the average yearly pay for secure software developer in Missouri is $104,911.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,400.00 and $121,900.00 per year, depending on experience, location, and employer.

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

To thrive as a Secure Software Developer, you need strong programming abilities, a solid understanding of cybersecurity principles, and experience with secure coding practices, often supported by a degree in computer science or a related field. Familiarity with tools like static code analyzers, vulnerability scanners, and security frameworks, as well as certifications such as CSSLP or CEH, are commonly required. Attention to detail, problem-solving, and effective communication are vital soft skills in this role. These skills and qualifications are crucial to building resilient software and protecting organizations from evolving security threats.

What is a Secure Software Developer?

A Secure Software Developer is a professional who designs, develops, and maintains software with a focus on security. Their role involves implementing best practices and security protocols to protect applications from vulnerabilities and cyber threats. They collaborate with other developers, security experts, and stakeholders to ensure that security is integrated throughout the software development lifecycle. Secure Software Developers also perform code reviews, threat modeling, and stay updated on emerging security risks to create robust and safe applications.

What are some common challenges Secure Software Developers face when integrating security into the software development lifecycle?

Secure Software Developers often encounter challenges such as balancing application performance with security controls, keeping up with constantly evolving threats, and ensuring secure coding practices are consistently followed across development teams. They must also work closely with other developers, QA testers, and DevOps professionals to implement security requirements without slowing down project timelines. Regular code reviews, automated security testing, and ongoing collaboration with stakeholders are essential to overcoming these challenges and delivering robust, secure software.
What cities in Missouri are hiring for Secure Software Developer jobs? Cities in Missouri with the most Secure Software Developer job openings:
Software/Web Developer

Software/Web Developer

Kentro

Saint Louis, MO

Other

Medical, Retirement, PTO

Posted 20 days ago


Job description

Overview

Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities.   

By joining our supportive community, you will find that Kentro is dedicated to your personal and professional development. Together, we can drive meaningful change, spark innovation, and achieve extraordinary milestones.

Kentro is always interested in connecting with talented Software and Web Developers who are passionate about building scalable applications, developing modern user experiences, and supporting innovative technology solutions. Ideal candidates bring strong technical expertise, problem-solving abilities, and experience collaborating across teams to deliver high-quality software solutions in fast-paced environments.

This application is for a talent pipeline and is not tied to an active job opening. By applying, you are expressing interest in future opportunities that match your skills and experience. Our team regularly reviews resumes for both immediate and upcoming openings. If your background aligns with a current or future position, we'll be in touch.

Location: Onsite in St. Louis, MO

Responsibilities

You may be a great fit if you have experience with:

  • Designing, developing, testing, and maintaining web applications, software platforms, or enterprise systems.
  • Building responsive and user-friendly front-end applications using modern frameworks and technologies.
  • Developing back-end services, APIs, and integrations to support scalable and secure applications.
  • Writing clean, maintainable, and efficient code following development best practices and coding standards.
  • Collaborating with cross-functional teams including developers, designers, project managers, cybersecurity teams, and stakeholders.
  • Supporting Agile/SCRUM software development methodologies and participating in sprint planning, standups, and retrospectives.
  • Troubleshooting, debugging, and resolving software defects and performance issues.
  • Working with databases, data models, and application integrations.
  • Supporting CI/CD pipelines, automated testing, and DevOps practices.
  • Managing multiple competing priorities while delivering high-quality technical solutions within project timelines.
  • Developing applications within cloud, enterprise, or regulated environments.
Qualifications
  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field, or equivalent experience.
  • 3+ years of experience in software development, web development, or application engineering roles.
  • Experience with one or more programming languages such as JavaScript, TypeScript, Python, Java, C#, PHP, or similar technologies.
  • Experience developing modern web applications using front-end frameworks such as React, Angular, or Vue.
  • Familiarity with back-end development frameworks, RESTful APIs, and database technologies.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Highly polished communication and collaboration skills.
  • Ability to work independently and collaboratively within fast-paced development environments.
Nice to Haves
  • Active U.S. security clearance (or eligibility to obtain one)
  • Experience with cloud platforms such as AWS, Azure, or Google Cloud.
  • Familiarity with DevOps tools, CI/CD pipelines, and automated testing frameworks.
  • Experience working with SQL and/or NoSQL databases.
  • Knowledge of cybersecurity best practices and secure software development principles.
  • Experience supporting enterprise, government, or regulated environments.
  • Familiarity with containerization technologies such as Docker or Kubernetes.
Benefits

The Company

We believe in generating success collaboratively, enabling long-term mission success, and building trust for the next challenge. With you as our partner, let's solve challenges, think innovatively, and maximize impact. As a valued member of our team, you have the unique opportunity to work in a diverse range of technology and business career paths, all while supporting our nation and delivering innovative technology solutions. We are a close community of experts that pride ourselves on creating an environment defined by teamwork, dedication, and excellence.

We hold three ISO certifications (27001:2013, 20000-1:2011, 9001:2015), two CMMI ML 3 ratings (DEV and SVC) and CMMC Level 2 Certification.

Industry Recognition

Growth | Inc 5000's Fastest Growing Private Companies, DC Metro List Fastest Growing; Washington Business Journal: Fastest Growing Companies, Top Performing Small Technology Companies in Greater D.C.

Culture | Northern Virginia Technology Council Tech 100 Honoree; Virginia Best Place to Work; Washington Business Journal: Best Places to Work, Corporate Diversity Index Winner - Mid-Size Companies, Companies Owned by People of Color; Department of Labor's HireVets for our work helping veterans transition; SECAF Award of Excellence finalist; Victory Military Friendly Brand; Virginia Values Veterans (V3); Cystic Fibrosis Foundation Corporate Breath Award

Benefits

We offer competitive benefits package including paid time off, healthcare benefits, supplemental benefits, 401k including an employer match, discount perks, rewards, and more.  We invest in our employees - Every employee is eligible for education reimbursement for certifications, degrees, or professional development.  Reimbursement amounts may fluctuate due to IRS limitations. We want you to grow as an expert and a leader and offer flexibility for you to take a course, complete a certification, or other professional growth and networking. We are committed to supporting your curiosity and sustaining a culture that prioritizes commitment to continuous professional development.

We work hard; we play hard. Kentro is committed to incorporating fun into every day. We dedicate funds for activities - virtual and in-person - e.g., we host happy hours, holiday events, fitness & wellness events, and annual celebrations. In alignment with our commitment to our communities, we also host and attend charity galas/events. We believe in appreciating your commitment and building a positive workspace for you to be creative, innovative, and happy.

Commitment Equal Opportunity Employment & VEVRAA

Kentro is an equal opportunity employer.  All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state or local law.

Kentro is strongly committed to compliance with VEVRAA and other applicable federal, state, and local laws governing equal employment opportunity. We have developed comprehensive policies and procedures to ensure our hiring practices align with these requirements.

As part of our VEVRAA compliance efforts, Kentro has established an equal opportunity plan outlining our commitment to recruiting, hiring, and advancing protected veterans. This plan is regularly reviewed and updated to ensure its effectiveness.

We encourage protected veterans to self-identify during the application process. This information is strictly confidential and will only be used for reporting and compliance purposes as required by law. Providing this information is voluntary and will not impact your employment eligibility.

Our commitment to equal employment opportunity extends beyond legal compliance. We are dedicated to fostering an inclusive workplace where all employees, including protected veterans, are treated with dignity, respect, and fairness.

How to Apply

To apply to Kentro Positions- Please click on the job link and then click the blue "Apply" button at the top right of Job Description. Please upload your resume and complete all the application steps. You must fully submit the application for Kentro to consider you for a position.  If you need alternative application methods, please email careers@kentro.us and request assistance.  

Accommodations

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. Reasonable Accommodations may be made to enable qualified individuals with disabilities to perform the essential functions. If you need to discuss reasonable accommodations, please email careers@kentro.us.  

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Employment Type: OTHER