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Senior Software Development Engineer Jobs in Missouri

TriOptus LLC

Sr Software Development Engineer

MO · On-site

$114K - $151K/yr

Job Title: Sr. Software Development Engineer Location: O'fallon, MO Duration: 12+ months Primary Skills: C# development Front end/angular API Desired Skills: SQL Batch Role: • Plan, design and ...

Kanak Elite Services Inc

Sr. SDET Engineer

Missouri City, MO · On-site

$103K - $134K/yr

Positon : Sr. SDET Engineer Location : O'Fallon, MO Hybrid (Onsite 3 days/week) (local) Duration : 24 months contract Interview : 1st round virtual and second round would be in-person. Must haves:

Lorven Technologies

Sr. SDET - O Fallon, MO

Mcfall, MO · On-site

$44.75 - $57.50/hr

Title : Sr. SDET Position: Contract (W2)/ Fulltime Location: O'Fallon, MO Duration : 12 Months Key Skills and Experience: * Hands on Java/Rest API testing experience * Test automation, Ops gating ...

The Timberline Group

Senior Software Engineer

Saint Louis, MO · On-site +1

$119K - $157K/yr

We are looking for a Senior Software Engineer to produce and implement functional software ... If you also have hands-on experience with backend software development, we would like to meet you.

MasterCard

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

The successful candidate will contribute across the full software development lifecycle, from ... Role As a Senior Software Engineer, you will: Design, develop, test, deploy, and support scalable ...

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

The successful candidate will contribute across the full software development lifecycle, from ... Role As a Senior Software Engineer, you will: • Design, develop, test, deploy, and support ...

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

Senior Software Development Engineer information

See Missouri salary details

$70.8K

$134.4K

$180.1K

How much do senior software development engineer jobs pay per year?

As of Jul 17, 2026, the average yearly pay for senior software development 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 are the key skills and qualifications needed to thrive as a Senior Software Development Engineer, and why are they important?

To thrive as a Senior Software Development Engineer, you need deep expertise in software engineering principles, advanced programming skills in languages such as Java, Python, or C++, and a bachelor's or higher degree in computer science or a related field. Familiarity with version control systems like Git, cloud platforms such as AWS or Azure, and experience with CI/CD pipelines are typically required, and certifications in these technologies can be advantageous. Strong problem-solving, leadership, and communication skills help you mentor junior engineers and collaborate effectively across teams. These competencies are critical for delivering robust solutions, driving technical innovation, and ensuring project success in complex engineering environments.

What are some common challenges Senior Software Development Engineers face when leading cross-functional projects?

Senior Software Development Engineers often encounter challenges such as aligning priorities across diverse teams, managing technical debt while delivering new features, and ensuring effective communication among stakeholders. Balancing hands-on coding with mentorship responsibilities and architectural decision-making can also be demanding. Success in this role typically requires strong interpersonal skills, proactive problem-solving, and the ability to adapt to shifting project requirements while maintaining high code quality.

What engineers make $300,000 a year?

Senior Software Development Engineers in high-demand industries or companies, especially those with expertise in areas like machine learning, cloud computing, or cybersecurity, can earn $300,000 or more annually. Compensation often includes base salary, bonuses, and stock options, particularly in large tech firms or startups with significant funding.

Can I make 200k a year as a software engineer?

Senior Software Development Engineers in many regions can earn $200,000 or more annually, especially with experience, specialized skills, and working at large tech companies or in high-cost-of-living areas. Compensation often includes base salary, bonuses, and stock options, and reaching this level typically requires advanced technical expertise and a strong track record.

What are Senior Software Development Engineers?

Senior Software Development Engineers are experienced professionals who design, develop, and maintain complex software systems. They often lead technical projects, mentor junior developers, and ensure software quality and best practices within a team. Their responsibilities include writing code, conducting code reviews, collaborating with cross-functional teams, and solving challenging technical problems. Senior Software Development Engineers typically have several years of industry experience and a deep understanding of software engineering principles.

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

AspectSenior Software Development EngineerSoftware Development Engineer
ExperienceTypically 5+ years, with leadership responsibilitiesEntry to mid-level, 1-3 years of experience
ResponsibilitiesDesigning complex systems, mentoring juniors, leading projectsImplementing features, fixing bugs, collaborating on code
Skills & CertificationsProficiency in multiple programming languages, system design, often with certificationsStrong coding skills, foundational knowledge, less emphasis on certifications
Work EnvironmentOften leads teams, involved in architecture decisionsFocused on individual contributions, team collaboration

The main difference between a Senior Software Development Engineer and a Software Development Engineer lies in experience, responsibilities, and leadership. Seniors typically lead projects and mentor others, while juniors focus on coding and task completion. Both roles are vital in software development teams, with seniors bringing more strategic input and mentorship.

What engineer makes $500,000 a year?

Senior Software Development Engineers at top tech companies can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, advanced skills in areas like distributed systems or machine learning, and a track record of significant contributions or leadership roles.

Can you make $500,000 as a software engineer?

Senior software development engineers at large tech companies or with extensive experience and specialized skills can earn $500,000 or more annually, often through base salary, bonuses, and stock options. Achieving this level typically requires advanced expertise, leadership roles, or working in high-paying industries or regions with competitive compensation packages.
What are the most commonly searched types of Software Development Engineer jobs in Missouri? The most popular types of Software Development Engineer jobs in Missouri are:
What cities in Missouri are hiring for Senior Software Development Engineer jobs? Cities in Missouri with the most Senior Software Development Engineer job openings:
Infographic showing various Senior Software Development Engineer job openings in Missouri as of July 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $134,408 per year, or $64.6 per hour.
Sr Software Development Engineer

Sr Software Development Engineer

TriOptus LLC

MO • On-site

$114K - $151K/yr

Contractor

Posted 14 days ago

Job description

Job Title: Sr. Software Development Engineer
Location: O'fallon, MO
Duration: 12+ months
Primary Skills:
C# development
Front end/angular
API
Desired Skills:
SQL
Batch
Role:
• Plan, design and develop technical solutions and alternatives to meet business requirements in adherence with MasterCard standards, processes and best practices.
• Participate on complex application level initiatives, collaborate with business partners, vendor/ consulting organizations and peer level professionals from other IT disciplines
• Ensure quality of "application" codebases and alignment with development standards
• Expert technical experience in .NET Framework, .NET MVC, Database (Oracle, Exadata, Netezza, SQL Server), HTML/ javascript/ JQuery, SharePoint, Web Services - SOAP/ RESTFul, WebSphere/JBOSS/Tomcat
• Experience with various tools( GSM, Bamboo/ Maven) and Agile Methodology

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