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Full Stack Software Engineer Jobs in St Louis, MO

Mid-Level Software Engineer

Arnold, MO · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Mid-Level Software Engineer

Dupo, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Mid-Level Software Engineer

Ballwin, MO · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Mid-Level Software Engineer

Venice, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Mid-Level Software Engineer

Roxana, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Showing results 41-60

Full Stack Software Engineer information

See St Louis, MO salary details

$43.3K

$131K

$185.2K

How much do full stack software engineer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for full stack software engineer in St. Louis, MO is $131,028.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,900.00 and $153,600.00 per year, depending on experience, location, and employer.

What is a full stack software engineer?

A full stack software engineer develops all aspects of a software application, from the user interface to the back-end database. As a full stack software engineer, your job duties include gathering customer requirements, writing the code to develop the application, and troubleshooting the application for any issues. The qualifications to pursue a career as a full stack software engineer include an associate or bachelor’s degree in computer science, software engineering, or a related field and proficiency in a variety of coding languages and frameworks.

What are the key skills and qualifications needed to thrive as a full stack software engineer, and why are they important?

To thrive as a Full Stack Software Engineer, you need strong proficiency in both front-end (e.g., HTML, CSS, JavaScript) and back-end (e.g., Node.js, Python, Java) development, typically supported by a relevant degree or equivalent experience. Familiarity with frameworks (like React or Angular), version control (such as Git), databases (SQL/NoSQL), and cloud platforms is essential, and certifications like AWS Certified Developer can be beneficial. Problem-solving ability, collaboration, and adaptability are vital soft skills that help engineers navigate complex projects and work effectively in teams. These skills ensure the ability to deliver robust, scalable, and user-friendly applications that meet dynamic business needs.

What is the difference between Full Stack Software Engineer vs Front End Developer?

AspectFull Stack Software EngineerFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, including HTML, CSS, JavaScript, server-side languages, and databases.Specializes in client-side technologies like HTML, CSS, JavaScript, and frameworks such as React or Angular.
Work EnvironmentWorks on both server and client-side development, often involved in full project lifecycle.Focuses primarily on designing and implementing user interfaces and user experience.
Common UsageUsed in full-stack development teams, startups, and projects requiring versatile developers.Found in teams emphasizing UI/UX, web design, and front-end frameworks.

While both roles require strong JavaScript skills, Full Stack Software Engineers handle both front-end and back-end development, whereas Front End Developers focus solely on the user interface and experience. The choice depends on whether you prefer a broader development scope or specialization in UI design.

How do full stack software engineers typically collaborate with other team members during a development project?

Full Stack Software Engineers often work closely with front-end and back-end developers, UI/UX designers, product managers, and QA testers throughout the software development lifecycle. Collaboration typically involves participating in agile ceremonies such as daily stand-ups, sprint planning, and code reviews to ensure alignment and progress. They are expected to communicate effectively across disciplines, help troubleshoot issues that span both client and server sides, and contribute to shared documentation. This collaborative environment helps ensure that solutions are cohesive, scalable, and meet user requirements.
Infographic showing various Full Stack Software Engineer job openings in St. Louis, MO as of August 2026, with employment types broken down into 100% Full Time. Highlights an 46% In-person, 27% Hybrid, and 27% Remote job distribution, with an average salary of $131,028 per year, or $63 per hour.

Full Stack .NET Software Developer

Monitise

Hazelwood, MO • On-site

Full-time

Re-posted 3 days ago


Job description

Calling all innovators - find your future at Fiserv.

We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Full Stack .NET Software Developer

What does a successful Full-Stack .NET Software Developer do at Fiserv?
A successful Full-Stack .NET Software Developer at Fiserv designs, builds, and maintains high-quality software applications that support business goals and client needs. They collaborate across teams to translate requirements into technical solutions that perform reliably in production. They strengthen delivery by improving code quality and mentoring teammates.

What you will do?

  • Lead the design, development, and implementation of software applications aligned to business goals.
  • Partner with cross-functional teams to gather requirements and convert them into technical specifications.
  • Perform coding, testing, and debugging to ensure performance and reliability.
  • Maintain and enhance existing codebases while leading peer review processes.
  • Mentor junior developers and provide technical guidance to improve team execution.

What you must have?

  • 4+ years of software development experience (or 4+ years of an equivalent combination of education, related experience, and/or military experience).
  • 2+ years of experience with C#, .NET, or similar programming languages.
  • 2+ years of experience working with SQL databases.
  • 2+ years of experience with a major cloud platform (AWS, Azure, or GCP) plus CI/CD pipelines, DevOps practices, and Agile methodologies.

What would be nice to have?

  • 1+ years of experience delivering software in the financial services industry.
  • 2+ years of experience supporting production systems, including operational work and on-call/incident response responsibilities.
  • 1+ years of experience driving security or resilience initiatives such as vulnerability remediation or disaster recovery readiness.

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island, Vermont, Virginia, Maine or Washington.


It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.

Thank you for considering employment with Fiserv. Please:

  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contactAskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements.Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.