We are seeking a highly skilled and experienced Full Stack Java Developer/Architect to design, develop, and implement robust, scalable, and high-performance applications. The ideal candidate will possess deep expertise in Java and Spring Boot for backend development, coupled with strong proficiency in React for dynamic frontend user interfaces. This role requires a visionary who can lead architectural decisions, mentor junior developers, and contribute to all phases of the software development lifecycle. Experience with agentic model development and AI-related technologies is a significant plus, demonstrating a forward-thinking approach to innovative solutions.
Responsibilities
Lead the design and development of complex, high-volume, and low-latency applications for critical systems, ensuring high availability and performance.
Architect, build, and maintain efficient, reusable, and reliable Java code, primarily using Spring Boot framework.
Develop responsive and interactive user interfaces using React, ensuring a seamless user experience.
Collaborate with product managers, designers, and other stakeholders to understand requirements and translate them into technical specifications.
Conduct code reviews, provide constructive feedback, and ensure adherence to coding standards and best practices.
Implement security and data protection measures.
Perform thorough testing, including unit, integration, and system tests, to ensure the quality and robustness of applications.
Identify and resolve technical issues, troubleshoot problems, and optimize application performance.
Contribute to the continuous improvement of the development process, tools, and technologies.
Mentor and guide junior developers, fostering a culture of technical excellence and continuous learning.
Stay abreast of emerging technologies and industry trends, particularly in Java, Spring, React, and AI/ML, and evaluate their potential application to our products.
Required Skills and Qualifications
Technical Skills
Backend:
Expert-level proficiency in Java: Strong understanding of core Java, concurrent programming, and design patterns.
Extensive experience with Spring Framework: Deep knowledge of Spring Boot, Spring Data JPA, Spring Security, Spring Cloud, and other Spring ecosystem projects.
API Development: Proven experience in designing and developing RESTful APIs.
Databases: Strong knowledge of relational databases like Oracle and NoSQL databases (e.g., MongoDB, Cassandra). Experience with database design and optimization.
Message Brokers: Experience with message queuing systems (e.g., Kafka, RabbitMQ).
Testing: Solid experience with unit testing (JUnit, Mockito) and integration testing.
Frontend:
Expert-level proficiency in React: Strong understanding of React.js, its core principles, and lifecycle.
State Management: Experience with state management libraries (e.g., Redux, Context API, Zustand).
Modern JavaScript: ES6+, TypeScript.
HTML/CSS: Strong command of HTML5, CSS3, and pre-processors like SASS/LESS.
Responsive Design: Experience building responsive and accessible web applications.
Build Tools: Proficiency with frontend build tools (e.g., Webpack, Babel, Vite).
Architecture & DevOps:
Experience with microservices architecture and distributed systems.
Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes).
Understanding of CI/CD pipelines (e.g., Light Speed, GitHub).
General:
Strong problem-solving and analytical skills.
Excellent communication and collaboration abilities.
Ability to work independently and as part of a team in a fast-paced environment.
Experience
Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
10+ years of progressive experience in software development, with at least 2-4 years in an Architect role.
Good to Have Skills
Agentic Model Development: Experience with designing, developing, and deploying agentic models, including understanding of autonomous agents, multi-agent systems, or similar AI paradigms.
AI/ML Integration: Practical experience integrating machine learning models or AI services into applications.
Other Frontend Frameworks: Familiarity with other frontend frameworks like Angular or Vue.js.
Performance Tuning: Experience in performance profiling and optimization for both frontend and backend applications.
Security Best Practices: Knowledge of common security vulnerabilities and how to mitigate them in full-stack applications.
Technical Leadership: Proven track record of leading technical teams and driving successful project delivery.
Education:
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Technology
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Applications Development
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Full time
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Irving Texas United States
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$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. 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.
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Please see the requirements listed above.
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For complementary skills, please see above and/or contact the recruiter.
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May 11, 2026
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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.
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View Citi’s EEO Policy Statement and the Know Your Rights poster.
