React Full Stack Developer

Job Overview

We are looking for experienced Full‑Stack Software Engineers who are passionate about solving business problems through innovation and engineering practices. This role will be responsible for writing code, pairing with other developers as appropriate, decomposing acceptance criteria to understand team backlog deliverables, complexities, and risk, while working as a strong contributor on an agile team. From a technical standpoint, the Software Engineer has full‑stack coding and implementation responsibilities and adheres to best practice principles including modern cloud‑based software development, agile and scrum, code quality, and tool usage.

The Software Engineer works to understand and influence software architecture, while contributing to Citi’s technical user base.

• Apply depth of knowledge and expertise to all aspects of the software development lifecycle, and partner continuously with stakeholders on a regular basis.
• Develop and engineer solutions within an Agile software delivery team, working to collaboratively deliver sprint goals, write code, and participate in the broader Citi technical community and team‑level Agile and Scrum processes.
• Contribute to the design, documentation, and development of world‑class enterprise applications leveraging the latest technologies and software design patterns.
• Leverage technical knowledge of concepts and procedures within own area and basic knowledge of other areas to resolve issues, as necessary.
• Follow and contribute to defining technical and team standards.
• Collaborate with technical leadership to achieve established goals, in line with our broader technical strategy.
• Leverage AI tools such as Git Hub Copilot to enhance development efficiency, accelerate delivery timelines, and optimize software solutions.
• Maintain awareness of the rapidly evolving AI landscape and proactively propose innovative approaches to implement product features.
• Analyze and effectively troubleshoot complex coding, application performance, and design challenges.
• Conduct thorough research to identify root causes of development and performance issues, and devise and implement effective defect resolutions.
• Demonstrate profound understanding of the technical requirements pertinent to the solutions under development.
• Use Docker for application containerization and Kubernetes for efficient service orchestration.
• Effectively communicate progress, proactively anticipate bottlenecks, provide skilled escalation management, and adeptly identify, assess, track, and mitigate issues and risks across various levels.
• Streamline, automate, or eliminate redundant processes within architecture, build, delivery, production operations, or business areas where similar efforts or issues recur annually.

• 3+ years of proven software development experience, specializing in Java, JavaScript frameworks such as React, Spring Boot, and Oracle.
• In‑depth knowledge of modern application architecture principles.
• Clear understanding of data structures and object‑oriented principles using Java.
• Practical experience with artificial intelligence (AI) tools for enhancing development workflows.
• Proficiency in microservices frameworks (e.g., Spring Boot), event‑driven services, and cloud‑native application development.
• Multiple years of experience on service‑oriented and microservices architectures, including REST and Graph
  
  QL implementations.
• Demonstrated ability to design, develop, and maintain both front‑end and back‑end components of robust web applications.
• Strong expertise in developing intuitive user interfaces using contemporary JavaScript frameworks such as React, HTML5, and CSS.
• Solid experience in developing server‑side logic and APIs using languages such as Java, Python, or similar.
• Comprehensive knowledge of SQL and PL/SQL, with a deep understanding of relational database management systems, particularly Oracle.
• Proven capability in designing, developing, and implementing high‑performance RESTful APIs using appropriate frameworks and technologies.
• Proficiency with continuous integration/continuous deployment pipelines and tools for building (e.g., Maven, Gradle) and deploying…