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Data Engineer

Fenton,MO

716 Data Engineer jobs in Fenton,MO

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Senior Site Reliability Engineer, Performance Engineering

Mastercard

O Fallon, MO 63368

~ 40 min OnsiteUrgently HiringEducation 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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New, Posted 12 hours ago
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Contract QA Engineer - AI Trainer

DataAnnotation

Saint Louis, MO 63129

Flexible ScheduleBilingual Preferred
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Outside Sales Representative (Bilingual Spanish)

Spectrum

Maryland Heights, MO 63043

$100,000/yr
~ 29 min OnsiteUrgently HiringBilingual Preferred

  • A valid driver's license, car insurance, a satisfactory driving record, and the use of a reliable personal vehicle
  • High School Diploma or equivalent work experience
  • Ability to read, write, speak, and understand multiple languages (English and Spanish)
  • Must be able to work evenings and weekends, and as business needs dictate to maximize prospective customer contact
  • Ability to travel (including during inclement weather) to and from assigned territories and company facilities
  • Spend approximately 90% of time outdoors in all seasons, with potential exposure to inclement weather
  • Must be lawfully eligible to work in the U.S. without employment-based immigration sponsorship, now or in the future
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New, Posted 1 day ago
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Software Engineer I

Mastercard

O Fallon, MO 63368

~ 40 min OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Some experience with DevOps processes and hands-on experience with tools such as Jenkins, GitHub, Bitbucket, or similar.
  • Foundational understanding of software development, software design, and software architecture concepts.
  • Foundational experience or coursework in unit testing, functional testing, integration testing, secure coding practices, code reviews, troubleshooting, and performance awareness.
  • Ability to organize, manage, and apply data structures effectively to support application performance and efficient data access.
  • High-energy, detail-oriented, and proactive with the ability to function under pressure in a collaborative Agile environment.
  • Strong verbal and written communication skills, with strong relationship-building, collaboration, and organizational skills.
  • Prior experience gathering technical requirements for Java backend systems and knowledge of web UIs is an added advantage.
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Quality Inspector I

Leonardo DRS

Bridgeton, MO 63044

$35,249/yr
~ 28 min OnsiteFlexible ScheduleEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • High school diploma or GED
  • General knowledge of relevant manufacturing standards (such as J-Std-001/IPC-A-610) or common mechanical techniques (such as geometric dimensioning and tolerance practices)
  • Ability to use various measurement devices (calipers, pin gauges, go/no-go gauges, etc) to verify mechanical part compliance
  • Ability to read mechanical and electrical drawings and able to verify parts dimensions against drawing requirements
  • Ability to effectively interpret data and present as information and respond to questions from engineers and other technical staff
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New, Posted 12 hours ago
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Administrative Assistant

Waste Connections

Maryland Heights, MO 63043

~ 29 min OnsiteHealth InsuranceRetirement Benefit

  • High school diploma or GED required
  • Minimum of 1-3 years of administrative, office support, customer service, or related experience
  • Proficiency in Microsoft Office Suite, including Word, Excel, Outlook, and Teams
  • Ability to learn and utilize scale software, internal databases, and reporting systems
  • Basic accounting, invoicing, and recordkeeping knowledge
  • Ability to sit, stand, walk, bend, and use office equipment throughout the workday
  • Ability to occasionally lift up to 25 pounds
  • Ability to work in an office environment with occasional exposure to outdoor landfill conditions, including varying weather, dust, noise, and vehicle traffic
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Buyer

Sunnen Products Company

Saint Louis, MO 63143

~ 23 min Onsite

  • Bachelor's degree in Supply Chain Management, Business, Operations Management, Engineering, or a related field (or equivalent combination of education and experience)
  • Experience in purchasing, procurement, supply chain, or sourcing
  • Strong negotiation and supplier relationship management skills
  • Experience with ERP/MRP purchasing systems
  • Demonstrated ability to identify and implement cost savings and continuous improvement initiatives
  • Strong analytical skills with proficiency in Microsoft Office and Microsoft Excel
  • Excellent written and verbal communication skills
  • Strong organizational, problem-solving, and project management skills
  • Ability to manage multiple priorities
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Quality Inspector

FS-Curtis

Saint Louis, MO 63129

$22-$25/hr
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Tool & Die Maker

ABB

Saint Louis, MO 63129

~ 23 min Onsite

  • Minimum 5 years of experience as a Tool & Die Maker
  • Read and interpret blueprints, CAD drawings, and design specifications
  • Operate, calibrate, and maintain toolroom equipment including lathes, mills, grinders, and drills
  • Die assembly, die operation, troubleshooting, and repair
  • Complex mathematical calculations using geometry, trigonometry, and algebra
  • Metallurgy and metal properties, including material selection and performance characteristics
  • Effective team player with strong communication skills; able to collaborate with engineers and machinists while working independently with minimal supervision
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Refinery Inspection Engineer

United States Army

East Saint Louis, IL 62204

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