Senior Java Developer Job at Citi (Warsaw)

Senior Java Developer

Citi

Location:
Poland , Warsaw

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

The Application Development Technology Lead is a senior level position 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. We are looking for talented technologists to help build the future of global Client Onboarding Platform as well as addressing the current needs on the existing platform. This role offers high visibility and will make a significant impact on the client onboarding experience, helping shape the future of how we serve our clients.

Job Responsibility:

Hands-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 (SDLC), from requirement gathering to deployment
Continuously improve application performance, scalability, and reliability
Partner with management teams to integrate functions and define system enhancements for new products and process improvements
Resolve high-impact problems through in-depth evaluation, providing innovative solutions
Provide expertise in applications programming, ensuring design adherence to architecture blueprints and developing coding standards
Stay current with emerging trends and technologies in full-stack development, and coach/advise mid-level developers

Requirements:

Minimum 6 years of Application Development experience
Proficiency in Java, Spring, Hibernate, real-time messaging, and associated Java frameworks
Hands-on experience developing products with RESTful APIs and microservices architecture
Strong knowledge of relational databases (e.g., PostgreSQL, Oracle) and document storage (MongoDB)
Proficiency in ReactJS and core front-end technologies: HTML5, CSS3, JavaScript (ES6+), Redux
Deep understanding of software architecture, industry best practices, and excellent problem-solving, analytical, and debugging skills
Demonstrated leadership, project management, and clear communication skills
Master's degree in Computer Science, Engineering, or a related field preferred

Nice to have:

Exposure to Kotlin is a significant advantage

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
A chance to make a difference with various affinity networks and charity initiatives

Additional Information:

Job Posted:
December 28, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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