3333 Java Developer jobs in O Fallon,MO

Business Development Director - Arrow Global Supply Chain Services

Arrow Electronics

Earth City, MO 63045

Mastercard

O Fallon, MO 63368

O Experience with CI/CD pipelines (Jenkins), Docker, Kubernetes, and container orchestration.
Strong software engineering fundamentals with hands on development experience designing, building and maintaining production grade systems.
Demonstrates strong ownership and the ability to learn and adapt quickly.
• Experience with secure coding standards (e.g., OWASP, CWE, SEI CERT) and vulnerability management
O Experience with relational databases (Oracle) and NoSQL databases (e.g. Cassandra)
O Experience with Business Rule Management System such as IBM ODM, Queuing technologies such as MQ and Kafka
Proven ability to lead through influence by aligning others, driving decisions, and unblocking delivery.
O Expertise in Java, Spring, gRPC and backend service development for high performance, scalable applications
O Proven ability to lead design discussions, review code, and enforce engineering standards.
O Familiarity with cloud platforms (AWS) and including cloud native architectures and migration strategies.
Solid understanding of service and platform level system design (e.g. distributed systems, event driven architectures), advanced design patterns (e.g. dependency injection, lazy loading) and experience with open frameworks (e.g. Spring Boot).
O Experience with modern development practices (Agile, CI/CD, automated testing, code reviews).

Healthcare Fraud Shield

Chesterfield, MO 63005

BlinkRx

Chesterfield, MO 63005

Upchurch

O'Fallon, MO

5+ years of experience in Mechanical, Plumbing, or Electrical sales, retrofits, or related project management.
Valid driver's license with an insurable driving record.
Comfortable climbing ladders and lifting up to 50 lbs.
Travel expectations – Weekly as needed
Ability to climb ladders and work in rooftop environments with exposure to seasonal temperatures.
Proficient in Microsoft O ice and CRM tools.
Strong organizational and communication skills.
Clear verbal communication and active listening.
Working knowledge of Mechanical, Plumbing, or Electrical systems.
Fine motor skills for typing and handling small tools/materials.
Ability to work independently and manage time effectively.