Designs, develops, tests, and deploys scalable Java Spring Boot microservices and REST APIs in a cloud-native environment. Builds Kafka-based event integrations, uses Redis and SQL, collaborates on React or Angular applications, and applies software design patterns. Owns complex features end to end, partners with technical leadership, mentors junior developers, conducts code reviews, and leverages AI-assisted development tools to improve productivity and quality.
The Senior Java Developer is a high-impact, hands-on individual contributor (IC) position responsible for designing, building, and scaling the next-generation of platforms for our core Controls Technology area. Working directly under the guidance of the Engineering Lead, you will take holistic, end-to-end ownership of key technical deliverables and feature sets. In this role, you will balance strong technical execution with leadership responsibilities, acting as a key technical resource for the team and actively mentoring junior developers to elevate overall engineering excellence.
Responsibilities:
- Drive Holistic Feature Ownership: Take end-to-end ownership of complex features and system components, from initial technical design and API specifications through to implementation, testing, and deployment in a cloud-native environment.
- Collaborate with Technical Leadership: Work closely under the Engineering Lead to align on architectural patterns, translate high-level designs into robust code, and help drive the technical roadmap of the scrum team.
- Mentor and Elevate Junior Engineers: Actively mentor and guide junior developers, conducting constructive code reviews, sharing best practices in software design, and fostering a collaborative culture of continuous learning.
- Develop Scalable Microservices: Design, develop, and maintain highly scalable, containerized Java Spring Boot microservices, ensuring high performance, reliability, and adherence to clean coding standards.
- Leverage AI Tooling for Productivity: Utilize and integrate modern AI-powered development tools (e.g., GitHub Copilot, advanced code analyzers) to accelerate development velocity, enhance code quality, and adopt innovative engineering practices.
- Build Robust System Integrations: Develop and implement high-performance APIs and event-driven integrations to connect platforms with various firm-wide control systems, ensuring data accuracy and integrity.
- Collaborate on Full-Stack Integration: Collaborate closely with frontend engineers to build seamless user experiences, developing the APIs that power modern Micro-Frontend (MFE) applications built with React or Angular.
Qualifications:
- Experience: 7+ years of hands-on experience in software development, with a strong track record of building robust, production-grade backend systems.
- Mandatory Technical Skills:
- Strong proficiency in Java 17 or above.
- Deep hands-on experience with the Spring Boot framework.
- Solid experience with event streaming and messaging platforms, specifically Apache Kafka.
- Experience with in-memory data stores/caching mechanisms, specifically Redis.
- Strong understanding and practical application of software Design Patterns.
- Foundational SQL skills (minimum requirement for database querying, schema understanding, and data manipulation).
- Good to Have:
- Familiarity with Python (for scripting, automation, or basic development).
- Familiarity with modern frontend frameworks (React, Angular) is a plus.
- Professional & Cloud Qualifications:
- Experience with containerization technologies (Docker, Kubernetes, OpenShift) and building cloud-native applications.
- Proven experience mentoring junior developers and driving technical alignment within an agile team.
- Strong sense of ownership and the ability to work independently as a senior individual contributor.
- A keen interest in or experience with leveraging AI-assisted development tools to improve productivity and code quality.
- Deep understanding of microservice architecture and RESTful API development best practices.
- Experience working in Financial Services or another large, complex global environment is highly desirable.
- Consistently demonstrates clear, concise, and professional written and verbal communication.
Education:
- Bachelor’s degree/University degree in Computer Science, Engineering, or a related field, or equivalent experience.
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Job Family Group: Technology------------------------------------------------------
Job Family:Applications Development------------------------------------------------------
Time Type:Full time------------------------------------------------------
Most Relevant Skills Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
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.
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