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Professional Level Data Engineer

Wentzville,MO

411 Professional Level Data Engineer jobs in Wentzville,MO

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Senior Site Reliability Engineer, Performance Engineering

Mastercard

O Fallon, MO 63368

~ 14 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Advanced knowledge of web applications and distributed systems infrastructure.
  • Excellent verbal and written communication skills for audiences with varying levels of technical acumen.
  • Experience with performance bottleneck analysis and system design for scale.
  • Experience with Java Virtual Machine internals and garbage collection tuning.
  • Experience with one or more of the following: database internals, server or operating system internals, storage system internals, or performance scaling for related platforms.
  • Experience implementing automated performance regression test suites for low-latency, high-throughput financial applications.
  • Experience analyzing performance bottlenecks across application code, databases, cache layers, data stores, servers, networks, messaging queues, and streaming platforms.
  • Experience analyzing issues holistically, from edge components through application tiers and databases.
  • Experience working directly with internal customers, resolving issues and providing performance engineering leadership.
  • Working knowledge of AI-assisted development and analysis techniques, including prompt-driven script generation, automation workflow creation, test result summarization, and root cause analysis support.
  • Bachelor's degree in Computer Science, Computer Systems, Information Technology, or a related field, or equivalent practical experience.
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Border Patrol Agent (BPA) Entry Level - New Hire Sign-On and Retention Incentives

U.S. Customs and Border Protection

Hardin, IL 62047

$51,632-$92,219/yr
Urgently HiringBilingual Preferred
New, Posted 1 hour ago
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Senior Site Reliability Engineer, Performance Engineering

Mastercard

O Fallon, MO 63368

~ 14 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Advanced knowledge of web applications and distributed systems infrastructure.
  • Excellent verbal and written communication skills for audiences with varying levels of technical acumen.
  • Experience with performance bottleneck analysis and system design for scale.
  • Experience with Java Virtual Machine internals and garbage collection tuning.
  • Experience with one or more of the following: database internals, server or operating system internals, storage system internals, or performance scaling for related platforms.
  • Experience implementing automated performance regression test suites for low-latency, high-throughput financial applications.
  • Experience analyzing performance bottlenecks across application code, databases, cache layers, data stores, servers, networks, messaging queues, and streaming platforms.
  • Experience analyzing issues holistically, from edge components through application tiers and databases.
  • Experience working directly with internal customers, resolving issues and providing performance engineering leadership.
  • Working knowledge of AI-assisted development and analysis techniques, including prompt-driven script generation, automation workflow creation, test result summarization, and root cause analysis support.
  • Bachelor's degree in Computer Science, Computer Systems, Information Technology, or a related field, or equivalent practical experience.
SmartExplore AI is experimental.
View now
New, Posted 1 hour ago
Crane Maintenance Technician- Level 2

American Equipment HR LLC

Saint Louis, MO 63146

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Entry-level Lube Tech/Technician (Part Time)

Valvoline Instant Oil Change

Lake Saint Louis, MO 63367

$16.75/hr
~ 9 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

  • Entry-Level Lube Technician
  • This role requires the ability to review, read, and understand written and digital training materials, safety procedures, labels, and operational instructions
  • English fluency in reading, writing, and speaking
  • Stand for up to 8 hours, climb stairs, and occasionally lift up to 50 pounds
  • Crouch, bend, twist, and work with your hands above your head
  • Be comfortable working in a non-climate-controlled environment
SmartExplore AI is experimental.
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Border Patrol Agent – Experienced Law Enforcement Professionals (Up to $60K Incentives)

United States Customs and Border Protection

Batchtown, IL 62006

$49,739-$89,518/yr
Bilingual Preferred
Easy Apply
Entry Level Sales Rep - Part Time - Paid Weekly

Vector Marketing

Ballwin, MO 63011

Flexible Schedule

  • All ages 18+ or a 17 and a 2026 high school graduate
  • Able to interview within the next 7 to 10 days
  • Enjoy working with people
SmartExplore AI is experimental.
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Clinical Research Nurse - David C Pratt Cancer Center

Mercy Health

Saint Louis, MO 63141

~ 41 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Registered Nurse with valid license in state of practice
  • Education: Nursing Diploma, Nursing Associate's degree or Nursing Bachelor's degree
  • Experience: 2 years nursing experience for bachelor's degree, 3 years nursing experience for Associate's degree or diploma program
  • Minimum Required Qualifications Education: Nursing Diploma, Nursing Associate's degree or Nursing Bachelor's degree
  • Licensure: Registered Nurse with valid license in state of practice
  • Ability to perform basic patient assessments, e.g. vital signs, spirometry, ECGs, phlebotomy, blood glucose monitoring, or willingness to learn
  • Excellent communication skills, particularly in face-to-face encounters with healthcare professionals and the public
  • Ability to interact with health professionals in a respectful and assertive manner
  • Working knowledge of computer applications, including the Internet and all Microsoft Office components, modems, printers and other computer accessories
  • Above average proficiency in mathematics, including a working knowledge of the metric system
  • Ability to work effectively in groups and independently with a high level of efficiency in problem identification and problem-solving
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New, Posted 1 day ago
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Entry-Level Sales Team Lead

Globe Life

Wentzville, MO

RemoteHealth InsuranceRetirement Benefit

  • Performance-based pay and bonuses
SmartExplore AI is experimental.
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Entry-level Lube Tech/Technician

Valvoline Instant Oil Change

Lake Saint Louis, MO 63367

$16.75/hr
~ 9 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

  • English fluency in reading, writing, and speaking
  • Stand for up to 8 hours, climb stairs, and occasionally lift up to 50 pounds
  • Crouch, bend, twist, and work with your hands above your head
  • Be comfortable working in a non-climate-controlled environment
  • This role requires the ability to review, read, and understand written and digital training materials, safety procedures, labels, and operational instructions
  • Schedule flexibility (Weekend availability is likely, but we ensure you don't work late nights or holidays)
SmartExplore AI is experimental.
View now
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