Applications Development Java Programmer – Assistant Vice President

Citi; New Castle (DE); On-site; USD 110,000 - 130,000; Full time

Job summary

Citi is seeking a hands-on technical developer for an Applications Development Java Programmer role in United States, Delaware, New Castle. The successful candidate will require expert-level Java coding skills, hands-on experience in cloud environments, and the ability to lead the full development lifecycle from inception to deployment. Responsibilities include leading design and maintenance of Java code, architecting solutions, and ensuring code quality. Candidates should have experience with RESTful APIs, cloud technologies, and a strong commitment to best practices.

Qualifications

• 5+ years of professional Java Development experience, with significant time spent in a cloud environment.
• Expert-level proficiency in Java, API design, and Cloud engineering principles.
• Extensive, hands-on experience architecting and building RESTful APIs using popular frameworks like Spring and Spring Boot.
• Deep experience with Oracle, SQL, and NoSQL databases such as MongoDB.
• Proven experience with Cloud-native technologies, including OpenShift, Kubernetes, and messaging systems like MQ and Kafka.

Responsibilities

• Lead the design, development, and maintenance of efficient, reusable, and reliable Java code for high-volume applications.
• Architect and write well-designed, testable, and scalable code, setting best practices within the team.
• Define and implement comprehensive testing strategies to ensure code quality and reliability.
• Collaborate with cross-functional teams to deliver high-quality software.

Skills

Java Development

API design

Cloud engineering

RESTful APIs

Oracle and SQL databases

NoSQL databases (MongoDB)

Cloud-native technologies

DevOps practices

Agile methodologies

CI/CD pipelines

Education

Bachelor’s degree or equivalent experience

Master’s degree preferred

Tools

OpenShift

Kubernetes

Kafka

Spring

Spring Boot

Job description

This is a hands‑on technical developer role for an Applications Development Java Programmer. The position requires expert‑level hands‑on coding and development in Java of new or revised application systems and programs. The successful candidate will develop and code for complex requirements following architectural and industry best practices.

Responsibilities

Core Development & Technical Leadership

• Lead the design, development, and maintenance of efficient, reusable, and reliable Java code for high‑volume, low‑latency applications.
• Own and drive all phases of the development lifecycle, from technical specification to testing and deployment.
• Architect and write well‑designed, testable, and scalable code, setting the standard for software development best practices within the team.
• Ensure and take ownership of the optimal performance, quality, and responsiveness of the applications.

Analysis, Design & Architecture

• Lead the analysis of complex user requirements to define business objectives and architect robust technical solutions.
• Drive architectural and design discussions, making key technical decisions to ensure robust and scalable solutions.
• Create and own detailed technical specifications and software architecture documents.
• Identify, evaluate, and champion the adoption of new technologies and frameworks to enhance the application stack.

Unit Testing & Code Quality

• Define and implement comprehensive testing strategies, including unit, integration, and performance tests to ensure code quality and reliability.
• Do peer code reviews, enforcing high standards of code quality and providing constructive feedback to the team.
• Drive continuous improvement by investigating and implementing cutting‑edge technologies and presenting them for architectural review.

Maintenance & Support

• Ownership and accountability of the code that is delivered including problem solving during any production issues.
• Provide expert‑level technical support for applications in production, leading the resolution of critical issues in a timely manner.

Collaboration & Documentation

• Collaborate with and influence cross‑functional teams, including business analysts, project managers, and other senior developers, to deliver high‑quality software.
• Establish and enforce standards for documenting software functionality, processes, and technical specifications.
• Communicate complex technical concepts effectively to both technical and non‑technical stakeholders, providing clear updates on project status and technical challenges.

Required Qualifications

• 5+ years of professional Java Development experience, with significant time spent in a cloud environment.
• Expert‑level proficiency in Java, API design, and Cloud engineering principles.
• Extensive, hands‑on experience architecting and building RESTful APIs using popular frameworks like Spring and Spring Boot.
• Deep experience with Oracle, SQL, and NoSQL databases such as MongoDB.
• Proven experience with Cloud‑native technologies, including OpenShift, Kubernetes, and messaging systems like MQ and Kafka.
• A strong commitment to and experience in applying clean code principles and design patterns.
• In‑depth understanding and practical application of the software development lifecycle (SDLC) and Agile methodologies.
• Proven experience with DevOps practices and building/maintaining CI/CD pipelines.
• Demonstrated ability to lead projects and work autonomously in a fast‑paced and rapidly changing environment.
• Extensive experience in systems analysis and programming of complex software applications.
• Proven ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements.

Recommended Qualifications

• Significant experience in the Financial domain with a focus on Payments is a strong plus.
• Understanding and practical experience with GenAI and LLMs is a plus.
• Experience in architecting integrations for mainframe applications with Kafka or APIs is a plus.
• Subject Matter Expert (SME) in at least one critical area of Applications Development.
• Demonstrated ability to adjust priorities and strategy quickly as circumstances dictate.
• Proven leadership, mentorship, and project management skills.
• Consistently demonstrates clear, concise, and influential written and verbal communication.

Education

• Bachelor’s degree/University degree or equivalent experience
• Master’s degree preferred

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.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.