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Remote Performance Optimization Jobs in Missouri

Mainframe Developer (Remote)

Chesterfield, MO · Remote

$48.50 - $62.25/hr

Remote About Us : Known for "Delighting the Client" through performance, innovation, and an ... Work with mainframe systems and associated technologies to ensure optimal performance and ...

Mainframe Developer (Remote)

Chesterfield, MO · On-site +1

$48.50 - $62.25/hr

Remote About Us : Known for "Delighting the Client" through performance, innovation, and an ... Work with mainframe systems and associated technologies to ensure optimal performance and ...

Our partner is looking for a Senior SEO Content Strategist based in Netherlands. This role offers ... Performance-based incentives tied to measurable results. * Fully remote work opportunity.

New

You will help design systems for managing millions of indexed pages, optimize search performance ... Fully remote position with flexibility to work from anywhere within European time zones.

New

$104K - $139K/yr

... performance optimization to distributed coordination and extension development. You'll shape ... remote

Fully remote position with flexible work location * Full-time engagement (40 hours per week) * Opportunity to work in a performance-driven SEO environment * Exposure to large-scale outreach and link ...

$94K - $130K/yr

Solid understanding of frontend state management, performance optimization, responsive design, and ... Fully remote-first and flexible working environment. * 60 monthly phone and internet allowance.

New

The work spans deep platform engineering, performance optimization, and product-driven feature ... Benefits: * 100 percent remote-first global working environment. * Competitive compensation package ...

... performance optimization. * Upper-intermediate English proficiency and fluent Ukrainian language skills. * Strong collaboration skills and ability to work effectively in distributed, remote-first ...

Remote - U.S. About Us : Known for "Delighting the Client" through performance, innovation, and an ... performance optimization * Assist with upgrades, patches, and environment migrations (Dev/Test/UAT ...

New

Remote - U.S. About Us : Known for "Delighting the Client" through performance, innovation, and an ... performance optimization * Assist with upgrades, patches, and environment migrations (Dev/Test/UAT ...

New

Data Engineer

Chesterfield, MO · On-site +1

$113K - $136K/yr

Description Data Engineer Chesterfield Office Hybrid or Remote Why You'll Want to Join! Join a ... performance optimization Document data lineage, transformations, and technical architecture ...

Data Engineer

Chesterfield, MO · On-site +1

$113K - $136K/yr

Job Type Full-time Description Data Engineer Chesterfield Office Hybrid or Remote Why You'll Want ... performance optimization • Document data lineage, transformations, and technical architecture ...

$108K/yr

Improve application stability and performance by diagnosing technical issues, resolving crashes, and optimizing the overall user experience. * Contribute to a collaborative remote engineering culture ...

New

$94K - $130K/yr

Solid understanding of browser APIs, web performance optimization, debugging, and systems design ... Fully remote work environment with flexible working hours. * Unlimited paid time off to support ...

$11 - $15/hr

Hands-on experience with A/B testing, hypothesis validation, and performance optimization. * Strong ... Benefits * Fully remote work environment with flexibility to work from locations across Europe.

New

Improving system performance by optimizing SQL queries, Cache/MUMPS routines, and stored procedures ... Remote work opportunity with flexibility to collaborate in a distributed environment. * Opportunity ...

New

Hands-on expertise in creative testing methodologies and performance optimization. * Strong ... Flexible remote work or office-based work with a flexible schedule. * 20 paid vacation days, 15 ...

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Showing results 1-20

Remote Performance Optimization information

What is the difference between Remote Performance Optimization vs Remote Performance Analyst?

AspectRemote Performance OptimizationRemote Performance Analyst
Primary FocusImproving overall system, application, or website performance through technical strategiesAnalyzing performance data to identify issues and recommend improvements
Required SkillsTechnical expertise in performance tuning, coding, and system architectureData analysis, reporting, and troubleshooting skills
Work EnvironmentCollaborates with developers, IT teams, and stakeholders on performance projectsWorks with data sets, monitoring tools, and reports to assess performance
Common UsageUsed by companies aiming to optimize their digital assets' speed and efficiencyUsed by organizations to monitor and analyze system performance metrics

While both roles focus on performance, Remote Performance Optimization involves proactive technical improvements, whereas Remote Performance Analyst emphasizes analyzing data to inform performance strategies. Understanding these differences helps organizations assign the right talent for their performance needs.

What are the most commonly searched types of Performance Optimization jobs in Missouri? The most popular types of Performance Optimization jobs in Missouri are:
What are popular job titles related to Remote Performance Optimization jobs in Missouri? For Remote Performance Optimization jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Remote Performance Optimization jobs in Missouri look for? The top searched job categories for Remote Performance Optimization jobs in Missouri are:
What cities in Missouri are hiring for Remote Performance Optimization jobs? Cities in Missouri with the most Remote Performance Optimization job openings:
Infographic showing various Remote Performance Optimization job openings in Missouri as of July 2026, with employment types broken down into 25% Internship, 50% Full Time, and 25% Contract. Highlights an 100% Remote job distribution.
Mainframe Developer (Remote)

Mainframe Developer (Remote)

S2Tech

Chesterfield, MO • Remote

$48.50 - $62.25/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 8 days ago


Job description

Mainframe Developer

Location: Remote

About Us:

Known for “Delighting the Client” through performance, innovation, and an employee-centric culture, S2Tech is a fast-growing IT consulting company serving clients in over a quarter of the United States. We are widely recognized as a leading provider of both technical and business services in support of Health and Human Services-related projects. Feel free to learn more at www.s2tech.com.

Why S2Tech?:

  • Stable privately-owned company with a strong reputation for building long-term client relationships through the delivery of consistent value-based service
  • 25+ years providing IT and Business services to private customers and government programs throughout the United States
  • Expansive client portfolio and active projects – employees benefit from innovative project exposure and in-house skill development training/courses  
  • Corporate culture that emphasizes the importance of family and promotes a healthy work-life balance
  • Offer competitive pay and a range of benefits, including:
    • Medical / Dental / Vision Insurance – insurance premium assistance provided
    • Additional Insurance (Life, Disability, etc.)
    • Paid Time Off
    • 401(k) Retirement Savings Plan & Health Savings Account
    • Various training courses to promote continuous learning
    • Corporate Wellness Program
  • Be part of a company that gives back through its non-profit organization, Fortune Fund, which was launched in 2001. The goal of the Fortune Fund is to close the rural/urban divide by ensuring children in rural communities in India and the United States understand the importance of education & are aware of professional career opportunities, allowing them to link their professional & educational goals

Job Overview:

We are seeking an experienced COBOL Mainframe Developer to join our dynamic team. The ideal candidate will have a proven track record of success in designing, developing, and maintaining COBOL-based applications on mainframe systems.

Responsibilities:

  • COBOL Development: Design, code, test, and maintain COBOL programs for mainframe applications
  • Mainframe Systems: Work with mainframe systems and associated technologies to ensure optimal performance and reliability
  • Analysis and Troubleshooting: Analyze business requirements and system specifications to develop effective and efficient COBOL solutions. Identify and troubleshoot issues, providing timely resolutions
  • Collaboration: Collaborate with cross-functional teams, including business analysts, systems analysts, and other developers, to ensure seamless integration of COBOL applications within the broader IT ecosystem
  • Documentation: Create and maintain comprehensive documentation for all COBOL programs, ensuring clarity and ease of understanding for other team members
  • Testing: Conduct thorough unit testing of developed code to ensure its functionality, reliability, and compliance with established standards
  • Performance Optimization: Identify opportunities for performance optimization and implement necessary improvements to enhance the overall efficiency of COBOL applications

Qualifications:

  • Bachelor's degree in Computer Science, Information Technology, or a related field
  • Over 5 years of hands-on experience in COBOL development on mainframe systems; a strong preference for prior Medicaid experience
  • Strong knowledge of mainframe technologies and associated tools
  • Experience in working on large-scale projects with complex business logic
  • Excellent analytical and problem-solving skills
  • Strong communication and interpersonal skills
  • Ability to work independently and as part of a collaborative team
  • Detail-oriented with a commitment to producing high-quality code

S2Tech is committed to hiring and retaining a diverse workforce. We are an equal opportunity employer making decisions without regard to age, race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected class.