Java Software Applications Development Lead

Citibank (Switzerland) AG; Irving (TX); On-site; Confidential; Full time

Benefits offered by this job

Medical, dental & vision

401(k) + life/disability insurance

Paid time off & holidays

Job summary

Citi in Irving, TX is seeking an experienced backend engineer to lead the design and development of scalable Java-based microservices. You will architect services with Spring, Spring Boot, and Spring Cloud, integrate Oracle and MongoDB, and mentor peers.

Expect a focus on performance, reliability, and deployment automation. The role requires deep expertise in Hibernate, JPA, container orchestration (OpenShift/Kubernetes), and Helm packaging, along with CI/CD tooling such as Harness.

Qualifications

• 6+ years of software development experience with a focus on Java
• Expert-level knowledge in Spring Framework, Spring Boot, and Spring Cloud
• Expert-level understanding of Microservices Architecture and best practices
• Expert-level proficiency in Hibernate, JPA, Oracle, and MongoDB
• Strong experience in application performance, monitoring, and optimization
• Proven leadership and problem-solving for highly complex challenges
• Experience with Docker and container orchestration (OpenShift, Kubernetes)
• Experience with Helm for Kubernetes packaging
• Experience with Harness for deployment automation
• Knowledge of Kubernetes best practices and secret management

Responsibilities

• Lead design and development of backend systems using Java, Spring, Spring Boot, and Spring Cloud
• Architect and implement microservices with a focus on scalability and reliability
• Integrate Oracle and MongoDB in high-performance environments
• Mentor junior developers and promote continuous improvement
• Define, design, and deliver new features with cross-functional teams
• Apply TDD and test-first development practices
• Implement data access with Hibernate and JPA; manage caching with Redis
• Ensure code quality via reviews, static analysis, and performance tuning
• Design and manage Kubernetes manifests, health checks, and PDBs
• Develop CI/CD pipelines with deployment automation
• Automate provisioning, configuration, and deployments
• Monitor performance, troubleshoot, and ensure high availability
• Contribute to logging, monitoring, and tracing strategies
• Ensure compliance with laws, rules, and Citigroup policies

Skills

Java

Spring Framework

Spring Boot

Spring Cloud

Microservices

Oracle

MongoDB

Hibernate

JPA

Redis

TDD

CI/CD

OpenShift

Kubernetes

Harness

Security

Education

Bachelor's degree

Master's degree preferred

Tools

Docker

HashiCorp Vault

Kubernetes Secrets

CI/CD Tools

Job description

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 OpenShift 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.

Recommended Qualifications:

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 NoSQL (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: OpenShift 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 HashiCorp Vault. Experience with monitoring, logging, and tracing solutions for distributed systems.

Preferred Qualifications:

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., SonarQube, CheckStyle). Understanding of security best practices for backend development (OAuth2, JWT, Spring Security). Soft Skills Collaboration: Proven leadership and team collaboration skills across multiple teams. Communication & Stakeholder Management: Strong communication and stakeholder management, including business communication. Technical Depth & Business Acumen: Ability to strategically balance technical depth with long-term business priorities. Code Quality: Strong passion and advocacy for high-quality, clean, and maintainable code, driving best practices.

Education:

Bachelor’s degree/University degree or equivalent experience Master’s degree preferred.

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Primary Location:

Irving Texas United States

Primary Location Full Time Salary Range:

$125,760.00 - $188,640.00 In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards.

Benefits and perks:

• Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs.
• Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays.

For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

Most Relevant Skills:

Please see the requirements listed above.

Anticipated Posting Close Date: Sep 27, 2026

Automated Processing and AI:

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. Illinois residents – AI Notice and Right

Equal Opportunity Statement:

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.