ZipRecruiter

Log In

1

Mid Level Developer Jobs in Festus, MO (NOW HIRING)

Parsons

Policy Analyst - Mid Level

Saint Louis, MO

$74K - $130K/yr

ThePolicy Analyst- Mid,advises,assists, leads, manages, and works all policy development, review ... A minimum of a Bachelor's Degree in Computer Science, Systems Engineering, Cybersecurity ...

Leidos

Mid-Level Backend Software Engineer

Columbia, IL · On-site

$87K - $157K/yr

We're hiring a Backend Software Engineer to support a high‑visibility, data‑driven application ... Identify, debug, and resolve application-level defects and performance issues * Code Quality:

Leidos

Mid-Level Backend Software Engineer

Arnold, MO · On-site

$87K - $157K/yr

We're hiring a Backend Software Engineer to support a high‑visibility, data‑driven application ... Identify, debug, and resolve application-level defects and performance issues * Code Quality:

Leidos

Mid-Level Backend Software Engineer

Dupo, IL · On-site

$87K - $157K/yr

We're hiring a Backend Software Engineer to support a high‑visibility, data‑driven application ... Identify, debug, and resolve application-level defects and performance issues * Code Quality:

Leidos

Mid-Level Backend Software Engineer

Fenton, MO · On-site

$87K - $157K/yr

We're hiring a Backend Software Engineer to support a high‑visibility, data‑driven application ... Identify, debug, and resolve application-level defects and performance issues * Code Quality:

Leidos

Mid-Level Backend Software Engineer

Ballwin, MO · On-site

$87K - $157K/yr

We're hiring a Backend Software Engineer to support a high‑visibility, data‑driven application ... Identify, debug, and resolve application-level defects and performance issues * Code Quality:

Parsons

Business Analyst - Mid Level

Saint Louis, MO

$103K - $181K/yr

The Business Analysis - Mid, is a subject matter expert and program leader responsible for ... Lead and manage business process development, improvement, and re-engineering initiatives, applying ...

previous page

Showing results 41-60

All JobsMid Level Developer JobsMid Level Developer Jobs in Festus, MO

Mid Level Developer information

See Festus, MO salary details

$9.3K

$73.6K

$95.9K

How much do mid level developer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for mid level developer in Festus, MO is $73,556.00, according to ZipRecruiter salary data. Most workers in this role earn between $50,900.00 and $91,200.00 per year, depending on experience, location, and employer.

What is a mid level developer?

Mid Level Developers are software professionals who have gained several years of experience beyond entry-level positions and are proficient in coding, debugging, and collaborating on projects. They possess a strong understanding of programming languages, frameworks, and software development processes. Mid Level Developers often take on more responsibility than junior developers, such as mentoring newer team members, contributing to architectural decisions, and ensuring code quality. They are expected to work independently on tasks, communicate effectively with team members, and deliver reliable solutions to complex problems.

What is the difference between Mid Level Developer vs Junior Developer?

AspectMid Level DeveloperJunior Developer
Experience2-4 years0-2 years
SkillsProficient in multiple programming languages, problem-solving, and project contributionBasic coding skills, learning foundational concepts
ResponsibilitiesDeveloping features, debugging, collaborating on projectsAssisting in tasks, learning codebases, under supervision
Work EnvironmentIndependent work, team collaboration, project ownership

The main difference between a Mid Level Developer and a Junior Developer lies in experience, skill proficiency, and responsibilities. Mid Level Developers have more experience, can handle complex tasks independently, and contribute significantly to projects, whereas Junior Developers are still learning foundational skills and typically work under supervision.

What are the key skills and qualifications needed to thrive as a mid level developer?

To thrive as a Mid Level Developer, you need solid programming skills in languages such as Java, Python, or JavaScript, along with a relevant degree or equivalent experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and frameworks such as React or Spring Boot is typically required. Effective problem-solving, teamwork, and strong communication skills help you collaborate and adapt to project needs. These abilities ensure you can deliver reliable code, work smoothly with colleagues, and contribute to successful software projects.

What opportunities for professional growth can a mid level developer typically expect within a software development team?

As a Mid Level Developer, you can expect to take on more complex projects, mentor junior team members, and gradually assume greater ownership of features or modules. Many organizations support growth through peer code reviews, access to learning resources, and the chance to participate in architectural discussions. Advancement paths often include moving toward senior developer roles, technical leads, or specializing in areas like DevOps or security, depending on your interests and the company's needs.
What are the most commonly searched types of Developer jobs in Festus, MO? The most popular types of Developer jobs in Festus, MO are:
What are popular job titles related to Mid Level Developer jobs in Festus, MO? For Mid Level Developer jobs in Festus, MO, the most frequently searched job titles are:
What cities near Festus, MO are hiring for Mid Level Developer jobs? Cities near Festus, MO with the most Mid Level Developer job openings:
Mid Level Developer jobs near you
Infographic showing various Mid Level Developer job openings in Festus, MO as of July 2026, with employment types broken down into 80% Full Time, 2% Part Time, 1% Temporary, and 17% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $73,556 per year, or $35.4 per hour.

Mid-Level Test Systems Engineer 112-205

IC-CAP LLC

Saint Louis, MO • On-site

Full-time

Re-posted 15 days ago

Job description

Mid-level Test Systems Engineers perform Application, System and Integration Testing across the National System of Geospatial-intelligence (NSG), Allied System of Geospatial-intelligence (ASG) and Federal Agencies to ensure timely and accurate GEOINT.
Duties may include:
  • Performs test and evaluation across the National System of Geospatial-intelligence (NSG), Allied System of Geospatial-intelligence (ASG) and Federal Agencies.
  • Performs testing of applications and application programming interfaces (APIs) in DevOps pipelines utilizing quality assurance measures established by the government and industry best practices.
  • Performs independent integration testing on the system software or hardware to determine the systems compliance with specified requirements.
  • Plans and executes manual tests, and automated test scripts using scripting and programming languages.
  • Supports technical investigations for defects discovered during test activities.

Education and Experience
Required:
  • Bachelors degree or higher in Engineering, Computer Science, Information Technology, Management Information Systems, or related STEM degree program, or 6+ years of experience as a Test Systems Engineer.
  • 6+ years of test management and defect tracking tools.
  • Experience with traditional, Agile, and DevOps development practices and associated testing strategies.

Desired:
  • Masters degree in Computer Science, Information Technology, Management Information Systems, or related STEM degree program.
  • Experience with three or more of the following; JMeterand, Jenkins, Docker, Postman, Swagger, Nexus, Apigee or GitHub/GitLab (or equivalent software packages), Java, Bash, Curl, XML, JSON, SQL, Python, Javascript, and AWS and C2S.
  • Working knowledge of Model Based Systems Engineering, processes, tools and languages.
  • Working knowledge of Software Development Frameworks.

Security Clearance:
  • Active TS/SCI clearance and the willingness to sit for a CI polygraph, if needed

IC-CAP provides equal employment opportunities (EEO) to all applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status.

Apply