1251 Senior Java Full Stack Developer jobs in Saint Peters,MO

Senior Site Reliability Engineer

Mastercard

O Fallon, MO 63368

~ 14 min OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

• 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.

SmartExplore AI is experimental.

New, Posted 13 hours ago

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Senior Cloud Engineer

Boeing

Saint Louis, MO 63134

~ 35 min OnsiteUrgently HiringHealth InsuranceRetirement Benefit

Bachelor's Degree
5+ years' experience working with and supporting Linux systems
Experience designing cloud architectures in AWS, Azure, or GCP
Experience with network layer cloud technologies
Experience writing infrastructure as code using Terraform or CloudFormation
Experience with automation tools such as Ansible
Strong programming skills in at least one high-level language such as Java, Python, Go, or C++
This position is 100% onsite

SmartExplore AI is experimental.

New, Posted 10 hours ago

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Senior Site/Civil Engineer

Gonzalez Companies

Creve Coeur, MO 63141

OnsiteUrgently HiringHealth InsurancePaid Time OffRetirement Benefit

Licensed Professional Engineer (PE) in Illinois or Missouri (required).

SmartExplore AI is experimental.

New, Posted 13 hours ago

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

Boeing

Saint Louis, MO 63134

~ 35 min OnsiteUrgently HiringHealth 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

SmartExplore AI is experimental.

New, Posted 9 hours ago

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Senior DevOps Engineer

Leidos

Chesterfield, MO 63017

Hybrid~ 27 minPaid Time OffRetirement Benefit

Typically requires a BS in Information Systems, Information Technology, Computer Science or closely related discipline and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience
Must possess an active Top Secret Security Clearance with SCI eligibility, and ability to obtain a Polygraph after hire
Must be a U.S. Citizen
Understanding of custom code development/reviews
Experience with GITLAB functionality, error codes and scripting
Experience using AWS services/technologies (e.g. CloudFormation, S3, ECS, EKS)
Experience with AWS Serverless architectures (lambda, API gateway, load balancing, autoscaling)
Experience supporting development testing
Experience with cloud-based architectures
Understanding of DevSecOps methodologies and workflow
Experience developing and managing CI/CD pipelines
Knowledge of SW Development and SW Sustainment Practices
Team Collaboration tools (Jira, Confluence)

SmartExplore AI is experimental.

New, Posted 10 hours ago

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Lead Site Reliability Engineer

Mastercard

O Fallon, MO 63368

~ 14 min OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree in Computer Science, Engineering, or a related technical discipline, or equivalent practical experience.
Deep expertise in distributed systems, reliability engineering, and production operations.
Strong foundation in algorithms, data structures, system design, and automation.
Advanced troubleshooting skills across the full technology stack.
Proven ability to drive decisions and outcomes in high‑pressure, high‑impact environments.
Possess a solid understanding of databases, blob-stores like S3, and load balancers.
Proficiency in one or more of: Python, Go, Bash.
Extensive hands‑on experience with DevOps and observability tooling, such as(or similar tools):
Git / Bitbucket
Jenkins / XLR
Chef, Ansible
Splunk
Dynatrace
Demonstrated success building and scaling CI/CD pipelines with minimal manual intervention.

SmartExplore AI is experimental.

New, Posted 10 hours ago

DiversityJobs

Senior Sales Associate

Bob's Discount Furniture

Ballwin, MO 63011

New, Posted 10 hours ago

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Senior Site/Civil Engineer

Gonzalez Companies

Town and Country, MO 63017

OnsiteUrgently HiringHealth InsurancePaid Time OffRetirement Benefit

Licensed Professional Engineer (PE) in Illinois or Missouri (required).

SmartExplore AI is experimental.

New, Posted 10 hours ago

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Senior Transportation Project Manager

Gonzalez Companies, LLC

Town and Country, MO 63017

RemoteHealth InsurancePaid Time OffRetirement Benefit

Bachelor of Science in Civil Engineering from an ABET-accredited university
Missouri Licensed Professional Engineer
7+ years of experience in transportation design with a focus on the Missouri market
Extensive knowledge of and familiarity with MoDOT design requirements
Senior Transportation Project Manager

SmartExplore AI is experimental.

New, Posted 9 hours ago

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