Java Fullstack Developer

Role Overview

• Lead the design, development, and implementation of full-stack applications, from concept to deployment.
• Develop responsive and high-performance user interfaces using React.js or Angular, ensuring a seamless user experience.
• Build and maintain robust, scalable, and secure back-end services and APIs (e.g., Java, Python, Node.js) that integrate with various internal and external systems.
• Write clean, well-documented, and testable code, adhering to best practices and coding standards.
• Participate in all phases of the software development lifecycle (SDLC), including requirements gathering, design, development, testing, deployment, and support.
• Contribute to technical architecture decisions, ensuring solutions are aligned with enterprise standards and strategic goals.
• Design and implement secure and efficient database schemas (SQL/NoSQL) and data access layers.
• Evaluate and recommend new technologies, frameworks, and tools to improve development processes and application performance.
• Ensure adherence to architectural principles, design patterns, and security guidelines.
• Collaborate closely with product owners, business analysts, UX/UI designers, and other engineering teams to define requirements and deliver solutions.
• Provide technical guidance and mentorship to junior developers, fostering a culture of continuous learning and improvement.
• Participate in code reviews, ensuring code quality, performance, and maintainability.
• Troubleshoot and resolve complex technical issues, ensuring minimal disruption to business operations.
• Drive continuous integration and continuous delivery (CI/CD) practices to streamline deployment pipelines.
• Implement and maintain automated testing suites (unit, integration, end-to-end) to ensure high code quality and application stability.
• Ensure all development activities comply with Citi's internal policies, security standards, and regulatory requirements.
• Actively participate in security reviews and address any identified vulnerabilities.

Requirements

• 4-7 years of total experience with at least 2 years in a full-stack role.
• Proven experience leading technical projects and mentoring team members.
• Extensive experience with front-end development using modern JavaScript frameworks (React.js or Angular is mandatory).
• Strong experience with back-end development using languages like Java (Spring Boot), Python (Django/Flask), or Node.js (Express).
• Solid understanding of relational databases (e.g., Oracle, PostgreSQL, SQL Server) and/or NoSQL databases (e.g., MongoDB, Cassandra).
• Experience with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes) is a plus.
• Familiarity with financial industry concepts and regulatory requirements is highly desirable.
• Expertise in JavaScript/TypeScript, HTML5, CSS3.
• Proficiency in React.js (with Redux/Context API) or Angular (2+).
• Strong command of at least one back-end language/framework (Java/Spring Boot preferred).
• Deep understanding of RESTful APIs, microservices architecture, and API design principles.
• Experience with version control systems (Git) and Agile development methodologies.
• Knowledge of testing frameworks (e.g., Jest, React Testing Library, Karma, Jasmine, JUnit, Mockito).
• Problem-Solving: Excellent analytical and problem-solving skills, with the ability to tackle complex technical challenges.
• Communication: Strong verbal and written communication skills, capable of articulating technical concepts to both technical and non-technical audiences.
• Leadership: Demonstrated leadership qualities, including the ability to guide teams, drive initiatives, and make sound technical decisions.
• Adaptability: Ability to quickly learn new technologies and adapt to changing project requirements.
• Attention to Detail: Meticulous attention to detail and a commitment to producing high-quality, robust software.
• Experience with performance optimization and tuning of full-stack applications.
• Knowledge of message queues (e.g., Kafka, RabbitMQ).
• Familiarity with DevOps practices and tools.

Tech Stack

• Angular
• AWS
• Azure
• Cassandra
• Cloud
• Django
• Docker
• Flask
• Google Cloud Platform
• Java
• JavaScript
• Jest
• JUnit
• Kafka
• Kubernetes
• Microservices
• Mockito
• MongoDB
• Node.js
• NoSQL
• Oracle
• Postgres
• Python
• RabbitMQ
• React
• Redux
• SDLC
• Spring
• Spring Boot
• SpringBoot
• SQL
• TypeScript

Benefits

• Remote work options