Java developer Jobs in St Louis, MO

DDP (Digital Data Platform) is a new architecture solution that unlocks commonly used business data that is held in Ameren legacy systems of record (SOR). DDP is an event streaming pipeline that will make it easier to transmit, standardize, and consume data across core Ameren systems with a very high level of performance, scalability, reliability, availability, usability, extensibility, and maintainability.

Fundamental enabler across multiple lines of business as source of truth.

Reduced enterprise technical debt and increased IT agility by enhancing our ability to respond faster to changing technology demands.

Improved customer identification and engagement across channels by improving data quality and availability.

Enabler for visibility and predictive analytics of a customer Outage, Billing and Payments.

Improved availability and resiliency by eliminating single point of failure, thereby reducing customer self-service impacts due to system outages.

Consolidated and rationalized integration architecture implementation across disparate digital assets in a common, standardized, consumable way reducing O&M costs.

Transform and deliver customer features and programs at scale.

Deliver a highly-engaging customer experience by designing an innovative, omni-channel experience.

Enable customer-facing applications to leverage real-time access to accurate, curated, and enriched customer information.

Delivery of a modern event driven data platform with a very high level of performance, scalability, reliability, availability, usability, extensibility, and maintainability.

Enablement of highly accurate, real time, enriched, accessible customer information for use in customer facing and internal applications.

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• Specialized depth and breadth of expertise in job discipline or field, working independently to solve or lead others to solve complex problems.
• May lead functional teams or projects; Works across multiple systems and takes a holistic view on systems;
• Analyzes business problems to design solutions.
• Implements and tests complex code changes for specific requirements or application/ standalone program.
• Provides input into technological process/ standards/ methodology for cloud-based configuration; identifies gaps and develops training plan;
• Performs root cause analysis and develops action plan and priorities for backlogs (identifying short- and long-term solutions); may lead implementation of plan.
• Independently handles high impact, critical software/systems monitoring issues and tickets/incidents;
• Performs root cause analysis and develops action plan and priorities for backlogs (identifying short- and long-term solutions); may lead implementation of plan.
• Independently handles high impact, critical software/systems monitoring issues and tickets/incidents;
• Analyzes business needs and develops plans to implement software requirements in conjunction with business analysts and architects.
• Reviews and develops solutions for cloud-based technology requirements; assesses solutions (build in house vs buy) and develops reports for senior leadership;
• Works closely with business analysts and architects to develop requirements and translates into one or more API led connectivity solutions (integrations, interfaces, proxies, objects, shared code library, etc.);
• Reviews options to identify best solution and provides design for selected solution.
• Leads the development and execution of implementation plans as they relate to API led solutions. Identifies and documents implementation risks of such solutions.
• Utilizes relevant technologies in order to design, develop, document, and support complex integration solutions utilizing design patterns, reference architectures, and best practices.
• Automates API builds and deploys utilizing relevant technologies.
• Collaborates with various stakeholders to test new and modified application solutions utilizing test driven development when possible;
• Understands methods and technologies for load and performance testing of APIs.
• Works closely with domain, and enterprise architects to gather perspective on emerging and/or existing technologies related to API development and management;
• Contributes to referential documentation related to API development standards and best practices.
• Mentors other developers for designing integrations, interfaces, proxies, business objects and business services, as needed;
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• Advanced knowledge and proficiency with the following technologies (as relevant):
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• Programming Languages, Operating Systems, Database Management, Middleware, Configuration Management Technologies, Container Technologies, Agile Environments, Mobile Applications.
• Bachelor degree required, preferably in engineering, mathematics, computer science, or business.
• 7+ years of relevant experience

Manager's requirements:

• Java 7+ years - Expert-level, OOP, design patterns, multi-threading, JUnit testing
• Spring Boot 7+ years - Microservices, REST APIs, Spring Security, Spring Cloud, Experience designing and consuming RESTful APIs and GraphQL endpoint
• Confluent Kafka 5+ years - Brokers, Schema Registry, Kafka Connect, security & performance tuning
• Kafka Streams Real-time stream processing, stateful operations, event-driven pipelines
• Node.js Scalable backend APIs, Express/NestJS, async programming
• JavaScript Strong proficiency in JavaScript - async/await, Promises. Familiarity with front-end frameworks (React, Angular) is a plus
• MongoDB Schema design, aggregation pipelines, indexing, Atlas, Change Streams for real-time data integration
• Redis Caching strategies, data structures, Pub/Sub, high-availability clusters
• AWS Cloud-Native Knowledge/Exposure in ECS/EKS, Lambda, S3, SQS/SNS, IAM, CloudWatch, API Gateway
• SQL/RDBMS Application-level querying, ORM frameworks, query optimization (no DBA experience needed)
• Terraform IaC, AWS provisioning, state management, GitOps
• Python Exposure in Scripting, automation, data pipelines

Professional Competencies

• Agile/Scrum, CI/CD, DevSecOps practices
• Strong collaboration, communication & mentoring abilities
• Aligns technical decisions with business and platform goals

Required Skills :

Basic Qualification :

Additional Skills :

Background Check : No

Drug Screen : No