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Senior Software Engineer Jobs in Missouri (NOW HIRING)

Trinity Global Consulting

Senior Software Engineer

Saint Louis, MO · On-site

$119K - $157K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior-level experience with history of successful software deployments. Desired: * Master's degree or higher in Engineering, Computer Science, Information Technology, Management Information Systems ...

Trinity Global Consulting

Senior Software Engineer

Saint Louis, MO · On-site

$119K - $157K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior-level experience with history of successful software deployments. Desired: * Master's degree or higher in Engineering, Computer Science, Information Technology, Management Information Systems ...

MasterCard

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy ...

Mastercard, Inc.

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy ...

6AM City, LLC

Senior Software Engineer (Erlang)

California, MO · On-site

$150 - $250/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Software Engineer Also open to mid-level, staff, principal, and team lead level engineers Location Redwood City, CA | In the office 3-4 days per week with flexibility Employees: 650 | Team ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Title and Summary Senior Software Engineer Overview Mastercard's Network & Digital Payments group creates valued experiences for consumers, and enables merchants and issuers to reach consumers in ...

MasterCard

Senior Software Engineer- RPPS Platform

O Fallon, MO · Remote

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Title and Summary Senior Software Engineer- RPPS Platform Who is Mastercard? Mastercard powers economies and empowers people in more than 200 countries and territories worldwide. Together with our ...

MasterCard

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart ...

Mastercard, Inc.

Senior Software Engineer- RPPS Platform

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Title and Summary Senior Software Engineer- RPPS Platform Who is Mastercard? Mastercard powers economies and empowers people in more than 200 countries and territories worldwide. Together with our ...

Eastman

Senior Software Engineer

Saint Louis, MO · On-site

$114K - $151K/yr

Position Description We are seeking a Senior Software Engineer who is passionate about building modern, customer-facing applications and who also brings strength in cloud engineering and software ...

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Title and Summary Senior Software Engineer Overview Mastercard's Network & Digital Payments group creates valued experiences for consumers, and enables merchants and issuers to reach consumers in ...

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart ...

Walmart

Senior, Software Engineer

Noel, MO · On-site

$90K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior, Software Engineer, you will: * Review, and understand business and technical needs to get a deep understanding on the solution you would enhance / develop / support * Develop ...

Walmart

Senior, Software Engineer

Cassville, MO · On-site

$90K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior, Software Engineer, you will: * Review, and understand business and technical needs to get a deep understanding on the solution you would enhance / develop / support * Develop ...

Eastman

Senior Software Engineer

Saint Louis, MO

$119K - $157K/yr

Position Description We are seeking a Senior Software Engineer who is passionate about building modern, customer-facing applications and who also brings strength in cloud engineering and software ...

247Hire

Oracle Senior Software Engineer

California, MO · On-site

$120 - $160/hr

Seeking an Oracle Senior Software Engineer to join a team focused on implementing innovative solutions to support the production of episodic television. The team works to implement solutions across ...

New

Geodatait

Senior Software Engineer

Saint Louis, MO · On-site

$100 - $130/hr

  • Medical

  • Life

  • Retirement

  • PTO

Freedom Technology Solutions Groups is looking to add a senior Software Engineer to the team! This position is fully onsite in St. Louis, MO. The ideal candidate must have demonstrated firsthand ...

Walmart

Senior, Software Engineer

Anderson, MO · On-site

$90K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior, Software Engineer, you will: * Review, and understand business and technical needs to get a deep understanding on the solution you would enhance / develop / support * Develop ...

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All JobsSoftware Engineer JobsSenior Software Engineer JobsSenior Software Engineer Jobs in Missouri

Senior Software Engineer information

See Missouri salary details

$70.8K

$134.4K

$180.1K

How much do senior software engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for senior software engineer in Missouri is $134,408.00, according to ZipRecruiter salary data. Most workers in this role earn between $114,900.00 and $151,500.00 per year, depending on experience, location, and employer.

What is a senior software engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

What are some common challenges senior software engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

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

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

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

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.
More about Senior Software Engineer jobs

What are the most commonly searched types of Software Engineer jobs in Missouri?

The most popular types of Software Engineer jobs in Missouri are:

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

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

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

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

What cities in Missouri are hiring for Senior Software Engineer jobs?

Cities in Missouri with the most Senior Software Engineer job openings:

What are popular job titles related to Senior Software Engineer jobs in MO?

For Senior Software Engineer jobs in MO, the most frequently searched job titles are:

Senior Software Engineer jobs near you
Infographic showing various Senior Software Engineer job openings in Missouri as of August 2026, with employment types broken down into 1% Internship, 90% Full Time, 6% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $134,408 per year, or $64.6 per hour.

Senior Software Engineer

Trinity Global Consulting

Saint Louis, MO • On-site

$119K - $157K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 2 days ago

Job description

Duties may include:

  • Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development and proposed solutions.
  • Document and demonstrating solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code.
  • Develop software solutions by studying information needs; studying systems flow, data usage and work processes; investigating problem areas.
  • Tailor and deploy software tools, processes and metrics as needed.
  • Provide information by collecting, analyzing and summarizing development and service issues.
  • Automate tasks through appropriate tools and scripting.
  • Develop architectures that are inherently secure, robust, scalable, modular, and API-centric.
  • Provide software design recommendations to the program manager and Chief Software Engineer.
  • Coordinate software development activities within product lines.
  • Ensure product line software development follows industry and SEI best practices.
  • Assist the Product Line Program Manager in establishing and tracking software metrics.
  • Report software risks to the Chief Systems Engineer and Chief Software Engineer through the ERB.
  • Ensure software is documented and brought under Configuration Management.

Requirements

Required:

  • Bachelor’s degree or higher in Computer Science, Information Technology, Management Information Systems, or related STEM degree.
  • Senior-level experience deploying microservices into cloud environments.
  • Senior-level experience using software development tools to estimate functions points, estimate complexity, develop virtual machines, cloud environments.
  • Senior-level experience with history of successful software deployments.

Desired:

  • Master’s degree or higher in Engineering, Computer Science, Information Technology, Management Information Systems, or related STEM degree.
  • Senior-level experience in designing, maintaining and recapitalizing IT systems.
  • Senior-level experience in refactoring, containerization and hosting applications in a LINUX platform and infrastructure as a service environment.
  • Demonstrated experience with MBSE, processes, tools and languages.

Benefits

At Trinity Global Consulting (TGC), we value our employees and provide a comprehensive benefits package that includes:

  • Medical, Dental & Vision Coverage – Coverage for eligible employees and family through CareFirst and VSP.
  • Paid Time Off – PTO granted in accordance with contract requirements.
  • Paid Holidays – 11 federal holidays observed annually.
  • Disability & Life Insurance – Short-term/long-term disability, life insurance, and AD&D coverage included.
  • 401(k) Retirement Plan – Competitive plan managed through Ameritas.
  • Professional Training – Formal training provided as required, with additional learning opportunities based on role.