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Software Engineer Level 3 Jobs in Missouri (NOW HIRING)

Jobtailor

Software Engineer - Level 3/4

California, MO · On-site

$100 - $160/hr

... Software Engineer Level 3 * 8 years with Bachelors, 6 years with Masters, 4 years with PhD with an additional 4 years experience may be considered in lieu of degree for Software Engineer Level 4 * ...

Jobtailor

Software Engineer - Level 3

California, MO · On-site

$120 - $160/hr

• Design, implement, and operate critical and scalable services, including user identity services, friend graph, and core persistence layer • Work across teams to understand product requirements ...

Jobtailor

Software Engineer - Level 2

California, MO · On-site

$110 - $160/hr

Core Competencies Demonstrates expertise in C++ and Python programming within a RedHat Linux environment, while effectively managing the software design lifecycle and utilizing Agile methodologies.

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Software Engineer Level 3 information

See Missouri salary details

$59.6K

$138.4K

$192.8K

How much do software engineer level 3 jobs pay per year?

As of Aug 25, 2026, the average yearly pay for software engineer level 3 in Missouri is $138,378.00, according to ZipRecruiter salary data. Most workers in this role earn between $112,600.00 and $162,300.00 per year, depending on experience, location, and employer.

What is a software engineer level 3?

A Software Engineer Level 3 is typically a mid-to-senior level role responsible for designing, developing, and maintaining complex software systems. They often work independently or as part of a team, mentor junior engineers, and contribute to architectural decisions. Level 3 engineers are expected to demonstrate strong technical skills, problem-solving abilities, and effective communication. They may also participate in code reviews, project planning, and collaborate with cross-functional teams.

How does a software engineer level 3 typically collaborate with cross-functional teams during a project?

As a Software Engineer Level 3, you will frequently work alongside product managers, designers, quality assurance specialists, and other engineers. Your role often involves clarifying technical requirements, participating in design and code reviews, and ensuring that your solutions align with the team's goals. Effective communication and proactive problem-solving are key, as you'll need to bridge the gap between technical and non-technical stakeholders. This collaborative environment not only enhances project outcomes but also provides opportunities to develop leadership and mentorship skills.

What are the key skills and qualifications needed to thrive as a software engineer level 3, and why are they important?

To thrive as a Software Engineer Level 3, you need advanced programming skills, a solid understanding of software architecture, and a bachelor's degree in computer science or a related field. Experience with development frameworks, version control systems like Git, and familiarity with cloud platforms or CI/CD tools are typically required. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate and mentor junior engineers. These competencies are crucial for delivering robust software solutions, driving technical projects, and supporting team growth.

What is the difference between Software Engineer Level 3 vs Software Engineer Level 2?

AspectSoftware Engineer Level 3Software Engineer Level 2
Experience3-5 years1-3 years
ResponsibilitiesDesigns complex features, mentors junior staffDevelops features, fixes bugs
SkillsAdvanced coding, system designProficient coding, basic system understanding
CertificationsOptional, but often includes relevant certificationsOptional, entry-level certifications

Software Engineer Level 3 typically has more experience and handles complex tasks and mentorship compared to Level 2. Level 3 engineers are expected to design larger features and contribute to system architecture, whereas Level 2 focuses on developing and maintaining features under supervision.

What jobs can I get with a Software Engineer Level 3?

A Software Engineer Level 3 typically qualifies for senior software development roles, including positions such as Senior Software Engineer, Lead Developer, or Technical Architect. These roles often involve designing complex systems, mentoring junior staff, and working with advanced programming languages and tools. Experience at this level may also open opportunities in project management or specialized technical areas.

What are popular job titles related to Software Engineer Level 3 jobs in Missouri?

For Software Engineer Level 3 jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Software Engineer Level 3 jobs in Missouri look for?

The top searched job categories for Software Engineer Level 3 jobs in Missouri are:

Software Engineer Level 3 jobs near you
Infographic showing various Software Engineer Level 3 job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 10% Part Time, and 5% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $138,378 per year, or $66.5 per hour.

Software Engineer - Level 3/4

California, MO • On-site

Jobtailor
See more jobs at Jobtailorexternal

$100 - $160/hr

Other

Posted 6 days ago

Job description

Responsibilities
  • Develop and sustain several mission operational SW product lines
  • Develop new capabilities as coordinated with their restricted SCI Customer
  • Join a large team comprising of multiple subsystems, each with a specialized software focus
  • Provide innovative solutions to complex issues in support of Customer’s national security mission
Requirements
  • 5 years with Bachelors, 3 years with Masters, 1 year with PhD with an additional 4 years experience may be considered in lieu of degree for Software Engineer Level 3
  • 8 years with Bachelors, 6 years with Masters, 4 years with PhD with an additional 4 years experience may be considered in lieu of degree for Software Engineer Level 4
  • Active SSBI required at the time of application
  • Ability to obtain SCI prior to start
  • Advanced Object‑Oriented programming skills
  • Proficiency with C++ programming
  • Knowledge of Red Hat Enterprise Linux operating system
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