Senior Full Stack Java Engineer (Agentic AI)

Job Description

Role Overview : The Senior Full Stack Lead Developer is a highly experienced individual contributor within Banking technology division. This role is responsible for driving engineering excellence through hands-on technical contributions, setting high technical standards by example, and delivering robust, scalable, and secure middleware platforms. The Principal Engineer will apply innovative modern software engineering practices to solve complex business challenges, directly contributing to Citi's global banking objectives. This position requires exceptional technical mastery, strategic problem-solving abilities, and the capacity to technically guide and influence project outcomes and peers across the organization.

Key Responsibilities:

Technical Vision & Architectural Contribution: Actively contribute to and uphold the long-term technical vision and architectural roadmap for core platforms within the Banking Technology middleware ecosystem, encompassing Java, Spring Boot, Kafka, Microservices, GraphQL, and NoSQL databases. Implement and advocate for organizational engineering standards, best practices, and architectural patterns to ensure scalability, reliability, security, and maintainability across all engineering initiatives.

Technical Mentorship & Skill Development: Lead by example in coding, design, and problem-solving. Mentor and provide technical guidance to senior and junior software engineers, fostering a culture of innovation, continuous learning, and technical excellence. Share knowledge, best practices, and innovative solutions with the team.

Technical Advisory & Problem Solving: Act as a primary technical advisor to senior business leaders and product owners, translating complex business requirements into clear, actionable technical designs and innovative solutions. Effectively articulate technical insights, architectural decisions, and development progress to diverse audiences.

Innovator & Early Adopter:  You are a forward-thinking technologist who actively drives the exploration, evaluation, and hands-on application of emerging technologies, advanced architectural patterns, and innovative solutions (e.g., Apache Flink, Artificial Intelligence) to enhance product offerings and improve engineering productivity. You are a relentless champion of continuous improvement in software architecture, development processes, and tooling.

You effectively leverage AI tools to enhance development efficiency, accelerate problem-solving, and drive innovation in your daily work.

Cross-Functional Technical Collaboration: Collaborate extensively with other engineers and technical leads across engineering, product management, and operations to ensure alignment of technical designs, seamless integration of solutions, and achievement of broader organizational goals. Influence technical decisions through deep expertise and well-reasoned arguments.

Accountability for Technical Delivery & Quality: Take ultimate accountability for the successful, on-time delivery of complex, high-quality, and user-centric software components. Uphold rigorous engineering standards through thorough design, code, and security reviews, and contribute to comprehensive technical documentation, ensuring a culture of engineering excellence.

Who You Are:

You are a highly experienced and seasoned software engineer with a deep passion for building world-class software solutions in a complex enterprise environment. Your work is characterized by technical mastery, thoughtful design, and a relentless commitment to quality and operational excellence.

Expert System Designer: You are an engineer with a proven ability to design and build critical middleware ecosystems. You possess deep expertise in creating and applying sound architectural patterns to ensure the scalability, reliability, security, and maintainability of enterprise platforms.

Passionate Hands-On Developer: You are an exceptional developer who thrives on solving complex problems with clean, efficient code. You are passionate about your craft and enjoy mentoring other engineers, leading by example with a commitment to technical excellence and continuous learning.

Effective Technical Partner: You are an adept partner to the business, capable of engaging with product owners to translate complex requirements into clear, actionable, and innovative technical solutions. You excel at articulating technical insights and architectural decisions to diverse audiences.

Required Qualifications:

Experience: Minimum of 6 years of progressive experience in backend Java development with React on the front end, with a proven track record of owning the design and delivery of complex, large-scale software projects as a senior individual contributor.

Technical Mastery: Deep, hands-on expertise and architectural understanding of enterprise-level middleware technologies including Java, Spring Boot, Kafka, Microservices architecture, GraphQL, and NoSQL databases. Demonstrated experience with high-volume, low-latency distributed systems. Experience with Apache Flink is a significant advantage.

Architectural Prowess: Demonstrated ability to architect, design, and implement highly scalable, resilient, secure, and performant distributed systems.

Communication & Collaboration: Exceptional verbal and written communication skills, capable of articulating complex technical concepts to diverse audiences and working effectively with business and technical stakeholders to drive positive outcomes.

Education: Bachelor’s degree in Computer Science, Engineering, or a related technical field is required; a Master’s degree or equivalent advanced professional qualifications are a plus.

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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Job Family Group:

Technology ------------------------------------------------------

Job Family:

Applications Development ------------------------------------------------------

Time Type:

Full time ------------------------------------------------------

Primary Location:

Irving Texas United States ------------------------------------------------------

Primary Location Full Time Salary Range:

$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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Most Relevant Skills

Please see the requirements listed above. ------------------------------------------------------

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------

Anticipated Posting Close Date:

Nov 17, 2026 ------------------------------------------------------

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

Illinois residents – AI Notice and Right

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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.