Java React Developer

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview The Applications Development Intermediate Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems Apply fundamental knowledge of programming languages for design specifications. Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging Serve as advisor or coach to new or lower level analysts Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions Resolve issues by identifying and selecting solutions through the applications of acquired technical experience and guided by precedents Has the ability to operate with a limited level of direct supervision. Can exercise independence of judgement and autonomy. Acts as SME to senior stakeholders and /or other team members. 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. Key Qualifications & Requirements 1. Professional & Industry Experience 2–5 years of relevant software engineering / applications development experience, preferably within the Financial Services or Banking industry. Demonstrated experience in developing, deploying, and maintaining production-grade full-stack applications. Strong understanding of the software development lifecycle (SDLC), Agile/Scrum methodologies, and enterprise architecture standards. 2. Frontend Development Proven hands-on experience with modern frontend frameworks and libraries—primarily React.js (including React Hooks, state management via API, and TypeScript/JavaScript ES6+). Strong proficiency in HTML5, CSS3, modern responsive design, UI/UX best practices, and component-driven architecture. Experience consuming and integrating RESTful APIs and WebSocket connections into responsive web interfaces. 3. Backend & API Engineering Solid backend development experience using Java (Spring Boot / Microservices) and/or Python (FastAPI / Flask / Django). Strong foundation in designing, implementing, and securing RESTful APIs, microservices, and event-driven architectures. Experience with authentication and authorization standards (OAuth2, JWT, SSO/SAML). 4. Data, Databases & Big Data Technologies Proficiency in relational and non-relational databases with strong SQL querying, schema design, and query optimization skills (PostgreSQL, Oracle, or SQL Server). Hands-on exposure to distributed data platforms, particularly Databricks, Apache Spark, or PySpark for processing and integrating large datasets with backend applications. 5. Cloud, DevOps & CI/CD Working knowledge of cloud platforms (AWS or Azure); relevant cloud certifications (e.g., AWS Certified Developer / Solutions Architect or Azure Developer Associate) are a strong plus. Experience with containerization and orchestration tools (Docker, Kubernetes/OpenShift). Familiarity with CI/CD pipeline automation (Git, Jenkins, GitLab CI, or GitHub Actions) and code quality/testing tools (JUnit, Jest, PyTest, SonarQube). 6. Problem Solving & Communication Consistently demonstrates clear, concise written and verbal communication skills across technical and non-technical stakeholders. Strong analytical, problem-solving, and decision-making capabilities. Proven ability to manage deadlines, adapt to changing requirements, and deliver under pressure in fast-paced enterprise environments. Education: Bachelor’s degree/University degree or equivalent experience This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.