Senior Full Stack Developer - Vice President

Citi • New Castle, DE

4d • $125,760 - $188,640 • Onsite

About The Position

The Full Stack Developer is a senior-level position responsible for designing, developing, and implementing both frontend and backend application systems and services. This role requires hands-on expertise across the full technology stack, with a strong emphasis on building scalable APIs and modern, responsive user interfaces using React. The overall objective is to deliver high-quality, reusable frameworks and solutions that support complex business requirements.

Requirements

• Strong proficiency in Java (Spring Boot) and backend service development.
• Hands-on experience with React.js, modern JavaScript (ES6+), HTML5, and CSS3.
• Experience building and consuming RESTful APIs and integrating frontend applications with backend services.
• Working knowledge of state management libraries (e.g., Redux, Context API).
• Experience with databases: Oracle, SQL, and NoSQL (MongoDB).
• Familiarity with cloud platforms (OpenShift, Kubernetes) and containerization.
• Experience with messaging systems such as Kafka and MQ.
• Strong understanding of software development lifecycle (SDLC) and Agile methodologies.
• Knowledge of DevOps practices, CI/CD pipelines, and version control systems (e.g., Git).
• Solid understanding of clean code principles and application design patterns.
• Ability to work independently in a fast-paced and dynamic environment.
• Strong analytical, problem-solving, and communication skills.
• Bachelor’s degree or equivalent experience required.

Nice To Haves

• Experience in the financial services domain, particularly Payments.
• Familiarity with GenAI and Large Language Models (LLMs).
• Experience integrating mainframe systems with APIs or Kafka.
• Experience with modern frontend tooling (e.g., Webpack, Vite, Jest, Cypress).
• 6+ years of relevant experience in full stack development or systems analysis.
• Proven track record of delivering complex, high-impact projects.
• Subject Matter Expert (SME) in one or more areas of application development.
• Strong leadership, stakeholder management, and project delivery skills.
• Master’s degree preferred.

Responsibilities

• Partner with multiple management and cross-functional teams to ensure seamless integration of business and technology solutions, while identifying and defining necessary system enhancements.
• Design, develop, and maintain scalable backend services using Java and Spring frameworks, along with modern frontend applications using React.js.
• Build intuitive, responsive, and high-performance user interfaces that enhance user experience.
• Develop and maintain RESTful APIs and microservices architecture.
• Resolve high-impact problems through in-depth evaluation of complex business and system processes.
• Ensure application design aligns with enterprise architecture standards and best practices.
• Establish and enforce coding, testing, debugging, and deployment standards across the full stack.
• Collaborate closely with UI/UX designers, product owners, and backend teams to deliver cohesive solutions.
• Contribute to the development of CI/CD pipelines and support DevOps best practices.
• Provide technical leadership, mentorship, and guidance to mid-level developers and analysts.
• Assess risk appropriately in all technical decisions, ensuring compliance with regulatory requirements, company policies, and ethical standards.

Benefits

• medical, dental & vision coverage
• 401(k)
• life, accident, and disability insurance
• wellness programs
• paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays

What This Job Offers

• Job Type: Full-time
• Career Level: Senior