Java Software Applications Development Lead

Responsibilities:

Lead the design and development of complex backend systems using Java, Spring, Spring Boot, and Spring Cloud technologies. Architect and implement microservices-based solutions with a strong focus on scalability, reliability, and performance. Strategically guide the integration and optimization of Oracle and MongoDB in high-performance environments. Mentor junior developers and contribute significantly to a culture of continuous improvement. Collaborate with cross-functional teams to define, design, and deliver new features.

Apply TDD and test-first development practices across all development stages. Implement data access layers using Hibernate and JPA and manage caching using Redis or other caching frameworks. Ensure high quality through effective code reviews, static code analysis, and performance optimization. Design, implement, and manage container orchestration platforms, particularly Open Shift and Kubernetes. Develop and maintain Helm charts for packaging and deploying applications across various environments.

Implement and manage CI/CD pipelines, including the use of deployment automation tools like Harness. Collaborate with development teams to ensure applications are designed for scalability, reliability, and ease of deployment. Automate infrastructure provisioning, configuration management, and application deployments. Monitor system performance, troubleshoot issues, and ensure high availability of applications. Implement and enforce best practices for Kubernetes manifests, including resource optimization, health checks (Readiness and Liveness probes), graceful shutdowns, and Pod Disruption Budgets (PDBs).

Contribute to the logging, monitoring, and tracing strategies for applications running on container platforms. Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm’s reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Experience:

6+ years of software development experience with a strong focus on Java. Spring Ecosystem:
Expert-level knowledge and proven experience in Spring Framework, Spring Boot, and Spring Cloud. Microservices Architecture:
Expert-level understanding and practical application of Microservices Architecture and best practices, including design patterns and advanced concepts. Data Access & Databases:
Expert-level proficiency in Hibernate, JPA, relational (Oracle), and No

SQL (MongoDB) databases, including complex query optimization and schema design. Application Performance:
Strong understanding and practical experience in application performance, monitoring, and optimization techniques, including troubleshooting and tuning. Problem-Solving:
Exceptional problem-solving skills and demonstrated ability to lead and resolve highly complex development challenges. Proven experience with containerization technologies, including Docker. Strong expertise in container orchestration platforms:
Open Shift and Kubernetes. Extensive experience with Helm for Kubernetes package management and chart development. Experience with CI/CD tools, including Harness for deployment automation. Understanding of Kubernetes best practices, including manifest optimization, health checks, labeling, and graceful termination. Familiarity with secrets management using Kubernetes Secrets and/or Hashi Corp Vault. Experience with monitoring, logging, and tracing solutions for distributed systems.

Knowledge of API Gateways, Service Discovery, and Distributed Tracing (e.g., Spring Cloud Gateway, Eureka, Zipkin). Familiarity with containerization tools like Docker and orchestration with Kubernetes.

Experience with code quality tools (e.g., Sonar Qube, Check Style). Understanding of security best practices for backend development (OAuth2, JWT, Spring Security). Soft Skills

Collaboration:

Proven leadership and team…