Senior Java Tech Lead — APIs, Cloud & Scale

Citigroup Inc.; Christiana Acres (DE); Hybrid; USD 126,000 - 189,000; Full time

Benefits offered by this job

Hybrid work model

Wellbeing programs

Learning & development

Job summary

Citigroup Inc. in Delaware, United States seeks a Senior Java Developer to lead complex application systems in a global technology environment.

You will design, build, and drive enterprise-grade software, mentoring mid-level staff and guiding architectural decisions to scale solutions. Responsibilities include designing Java applications and APIs, enforcing coding standards, and collaborating with cross-functional teams to deliver improvements and new products.

Qualifications

• Hands-on Java development with RESTful APIs using Spring or similar frameworks.
• Experience with relational and non-relational databases (Oracle, SQL, MongoDB).
• Cloud platform experience with OpenShift and Kubernetes; familiarity with Gradle or Maven.
• Experience with messaging systems (Apache Kafka, IBM MQ) for event-driven architecture.
• CI/CD pipelines and DevOps tooling (Jenkins, Grafana).
• Solid SDLC and Agile delivery practices.
• Ability to work independently in a fast-paced environment with shifting priorities.

Responsibilities

• Design and build robust Java-based applications and RESTful APIs that meet standards.
• Lead technical analysis and translate findings into scalable software and architecture improvements.
• Define and enforce development standards across coding, testing, debugging, and deployment.
• Collaborate with technology and business teams to identify system enhancements.
• Ensure designs align with broader architecture and integrate infrastructure considerations.
• Mentor mid-level developers and analysts, distributing work effectively.
• Apply judgment to evaluate risk and ensure compliant, secure solutions.

Skills

Java

RESTful APIs

Spring Framework

Databases

OpenShift

Kubernetes

Gradle

Maven

Kafka

IBM MQ

Jenkins

Grafana

SDLC

Agile

Independent work

Tools

OpenShift

Kubernetes

Gradle

Maven

Jenkins

Grafana

Job description

Citigroup Inc. in Delaware, United States seeks a Senior Java Developer to lead complex application systems in a global technology environment.

You will design, build, and drive enterprise-grade software, mentoring mid-level staff and guiding architectural decisions to scale solutions. Responsibilities include designing Java applications and APIs, enforcing coding standards, and collaborating with cross-functional teams to deliver improvements and new products.