Lead Java Developer, Citi

Citi

Location:
Poland, Warsaw

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

Lead Java Developer is responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities to expand and modernize the OMC technology platform. A key function within the Banking and International Clients Technology is the client onboarding process at CITI. Our team is responsible for the technology platform that orchestrates the client onboarding functions of multiple business domains. We empower clients and operations teams with interactive tools, APIs and real-time information to automate and streamline onboarding workflows across areas such as Legal, Credit, KYC and Account opening.

Job Responsibility:

Be hands-on on design and development of scalable software solutions using Java, Kotlin, Spring and Restful APIs
Write clean, maintainable, and efficient code following best practices in software engineering
Participate in all phases of the software development lifecycle — requirement gathering, design, implementation, testing, and deployment
Continuously improve applications' performance, scalability, and reliability
Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
Stay current with emerging trends and technologies in full stack development
Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct, and business practices, and escalating, managing and reporting control issues with transparency

Requirements:

7-10 years of relevant experience in Application Development as a Java backend developer
Hands on experience in Java, Spring, Real time messaging, Hibernate, and associated Java frameworks
Hands on experience in developing product with RESTful APIs and microservices based architecture
Good knowledge of document storage solutions (MongoDB) and relational databases (e.g., PostgreSQL, Oracle)
Knowledge of ReactJS and core front-end technologies: HTML5, CSS3, JavaScript (ES6+), Redux
Exposure to Kotlin is a huge plus
Deep understanding of technology and industry best practices
Software architecture and tradeoff analysis
Excellent problem-solving, analytical thinking, and debugging skills
Demonstrated leadership and project management skills
Consistently demonstrates clear and concise written and verbal communication
Bachelor’s degree/University degree or equivalent experience, Master’s degree preferred

Nice to have:

Exposure to Kotlin
Knowledge of ReactJS and core front-end technologies: HTML5, CSS3, JavaScript (ES6+), Redux

What we offer:

Private Medical Care Program
Life Insurance Program
Pension Plan contribution (PPE Program)
Employee Assistance Program
Paid Parental Leave Program (maternity and paternity leave)
Sport Card
Holidays Allowance
Sport and team recreation activities
Special offers and discounts for employees
Access to an array of learning and development resources
A discretional annual performance related bonus

Additional Information:

Job Posted:
August 15, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Lead Java Developer