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Job Overview

The Lead Applications Development Specialist for Tax Technology is a senior individual contributor role responsible for the hands-on development, implementation, and enhancement of critical application systems focused on Tax withholding and Tax reporting. This position requires deep technical expertise in Java development, a strong understanding of application architecture, and comprehensive functional knowledge of tax regulatory and operational flows within a global financial institution. The successful candidate will drive technical solutions, ensure code quality, and mentor junior team members, serving as a key technical resource.

Responsibilities:

•Design, develop, test, and implement complex features and enhancements for Tax withholding and Tax reporting applications using Core Java, J2EE, and Spring Framework.

•Analyze complex business requirements related to Tax technology and translate them into robust, scalable, and maintainable technical solutions.

•Apply sound architectural principles and design patterns to ensure the maintainability, performance, and scalability of developed solutions within the existing enterprise architecture.

•Build and optimize high-performance, multi-user, multi-threading middleware components to support critical business processes and integrations.

•Develop and maintain RESTful API services, ensuring secure, efficient, and well-documented interfaces for internal and external consumption.

•Champion Test-Driven Development (TDD), write comprehensive unit and integration tests, and utilize mocking frameworks to ensure high code quality, reliability, and maintainability.

•Provide expert-level support for existing applications, identifying and resolving complex technical issues and performance bottlenecks.

•Mentor and guide junior developers, providing technical oversight, code reviews, and fostering adherence to best practices and coding standards.

•Design efficient database schemas, write optimized SQL queries, and perform performance tuning for application interactions with relational databases.

•Develop a deep understanding of Tax withholding and Tax reporting functional flows, collaborating closely with business analysts and product owners.

•Actively participate in all phases of the Agile development lifecycle, including sprint planning, daily stand-ups, and retrospectives.

•Ensure all developed solutions adhere to security standards, regulatory requirements, and internal Citi policies, particularly concerning sensitive tax data.

Qualifications:

•8-10 years of hands-on experience in application development, with significant experience in a senior individual contributor role within financial services or a regulated environment.

•Expert-level proficiency in Core Java, J2EE, and the Spring Framework (Spring Boot, Spring Cloud, Spring Data).

•Extensive experience in server-side development and building complex middleware for multi-user, multi-threading applications.

•Proven track record of designing and implementing high-performance RESTful APIs.

•Experience with modern web technologies including HTML5, React, and JavaScript.

•Database design skills and expertise in writing and tuning complex SQL queries.

•In-depth experience with unit testing, mocking frameworks, and Test-Driven Development (TDD).

•Solid grasp of application architecture principles and design patterns.

•Demonstrated understanding of the functional flows and business processes related to Tax withholding and Tax reporting is highly advantageous.

•Strong experience working within Agile/Scrum development environments.

•Exceptional analytical and problem-solving skills, with the ability to debug and optimize complex systems.

•Excellent communication and collaboration skills, with the ability to articulate technical concepts clearly to both technical and non-technical stakeholders.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

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

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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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