554 Sr Software Developer jobs in Florissant,MO

Software Developer (Mid Level or Senior), Autonomy and Mission Planning

Boeing

Saint Louis, MO 63134

~ 25 min OnsiteHealth InsuranceRetirement Benefit

Bachelor's Degree in an engineering discipline experience or 13 years' related relevant work experience
Ability to obtain Secret US Security clearance (Post-Start)
5+ years of Software Engineering experience
3+ years of C++
2+ years Autonomy and/or robotics software techniques
2+ years of experience in real time software development experience
3+ years of experience with Agile Software development process
Export Control Requirements: This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. §120.62 is required. “U.S. Person” includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.

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Site Reliability Engineer II

Mastercard

O Fallon, MO 63368

~ 35 min OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

The ideal candidate will apply the following skills independently in routine and moderately complex situations, requiring occasional guidance typically only in unfamiliar or highly complex scenarios. They will demonstrate growing consistency and reliability in applying the skills.
• Observability - Ability to use scripting and tooling to implement observability solutions, enabling the collection, analysis, and visualization of metrics, logs, and traces to support incident detection, diagnosis, and continuous service improvement.
• Programming and Scripting - Ability to write and maintain code and scripts to automate tasks, build operational tools, and support monitoring, deployment, and incident response using languages such as Python, Go, Bash, or similar.
• Systems and Network Administration - Ability to configure, operate, and troubleshoot Linux/Unix systems and network components, applying knowledge of networking concepts, protocols, security, and system reliability.
• Cloud Computing and Infrastructure - Ability to design, deploy, and manage applications and infrastructure on cloud platforms (e.g., AWS, Azure, GCP), ensuring scalability, security, availability, and operational efficiency.
• Reliability and Scalability - Ability to design and operate systems for high availability, fault tolerance, and disaster recovery, while ensuring systems can scale to meet current and future demand
• DevOps Practices - Ability to apply DevOps principles and practices, including CI/CD pipelines, containerization, and orchestration, to enable faster, more reliable software delivery and operations.
• Troubleshooting - Capability to systematically identify, diagnose, and resolve technical issues across systems, applications, and networks, using analytical methods and tools to restore functionality, minimize disruption, and ensure stable operations.
• Capacity Planning and Performance Optimization - Ability to monitor resource utilization, forecast future capacity needs, and optimize system performance to support growth, scalability, and efficient infrastructure usage.
• IT Service Management - Ability to apply IT service management principles to incident, problem, and change management, ensuring reliable service delivery, effective incident response, and continuous service improvement aligned to business needs.
• Proactive Monitoring and Improvement (SRE Applications) - The ability to use application reliability signals to anticipate issues, identify risks, and drive preventative improvements that enhance application performance and availability.

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Software Engineer IV– ERP Finance (Oracle/PLSQL)

Spectrum Careers

Saint Louis, MO 63129

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Ultrasound Technologist - GIG/Flex/Per Diem/PRN - Mercy St. Louis & Surrounding Communities

Mercy Health

Saint Louis, MO 63141

$45/hr

~ 25 min OnsiteUrgently HiringFlexible ScheduleEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Graduate of an accredited school of Sonography and completed required clinical hours
1 year of relevant experience
2 applicable registries with the American Registry of Diagnostic Medical Sonographers (ARDMS) OR The American Registry of Radiologic Technologists (ARRT) OR CCI within the work area
Basic Life Support (BLS)
State licensure may be required depending on the specific state of practice

SmartExplore AI is experimental.

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Director Product Design

Know Ink, LLC

Saint Louis, MO 63141

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HVAC Truck Based Service Controls Engineer

Johnson Controls

Saint Louis, MO 63129

$36.59-$50.29/hr

~ 25 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Demonstrated knowledge HVAC industry.
Demonstrated knowledge of control theory, automatic temperature controls, building automation systems and other building subsystems.
Demonstrated experience in the integration of low voltage building sub-systems using various industry protocols (i.e., LON, BACnet, etc.).
Ability to relate technical knowledge to a non-technical audience.
Demonstrated advanced computer skills required, particularly computer-related drafting tools.

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Manager of Operations Strategic Analysis

Alter Trading

Saint Louis, MO 63141

~ 25 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

MBA and/or 10 year's management and operational experience in scrap industry preferred.
Must have advanced skills using the latest Microsoft Office Products.
Must have leadership and influencing skills with a wide range of individuals.
Solid skills in finance, statistics, problem solving, and analysis required to solve complex business problems.
Must have excellent written and verbal communication skills and be comfortable working with various levels within the organization.
Intellectual curiosity regarding the scrap metal industry required.
Must maintain the highest levels of confidentiality at all times due to the sensitive nature of the role and its responsibilities.
Must have the ability to function well in both a team setting and on a self-directed basis.
Must be able to travel up to 40% annually if required.

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Hybrid Pharmacist - 4 Days Retail/1 Day Remote (MO)

Walgreens

Florissant, MO

Hybrid

BS in Pharmacy or Pharmacist Degree from an accredited educational institution.
Current Pharmacist license as granted by the appropriate state licensing authority.
Experience performing prescription dispensing activities, demonstrating a strong working knowledge of applicable state and federal controlled substance laws.
Certified Immunizer or willing to become an immunizer within 90 days of hire.
Willing and able to work effectively in different and/or multiple work environments (such as Centralized Services, Retail Pharmacy, Specialty Pharmacy, and/or virtual).

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Gotoro

Accountant - Receivables & Billing - Trucking Industry - Saint Louis, MO

Affton Transport LLC

Saint Charles, MO 63301

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Controls/Manufacturing Engineer

Illinois Tool Works

Saint Louis, MO 63129

~ 25 min Onsite

2-5+ years of experience in industrial automation or controls engineering within a manufacturing environment
Strong experience with Allen Bradley PLC platforms (SLC 5/05, ControlLogix, CompactLogix, MicroLogix)
Experience with robotic programming and automation systems
Experience with AC drives, motor control systems, and industrial automation hardware
Proficiency in HMI development (PanelView, Ignition or similar)
Knowledge of industrial communication protocols (EtherNet/IP, Modbus TCP/IP, Remote I/O)
Demonstrated ability to troubleshoot electrical and mechanical systems in a manufacturing environment
Strong understanding of lean manufacturing, root cause analysis, and continuous improvement methodologies
Ability to travel 15-20%

SmartExplore AI is experimental.