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Citi Logo Citi · IT - Software Development

Senior Full-Stack Developer (Java) - Enterprise Applications

Poland, Warsaw 241750.00 - 411650.00 zł / Year · Job Posted April 05, 2026
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Job Description

Are you looking for a career move that will put you at the heart of a global financial institution? The IDEAS department in Citi is looking for a talented, full-stack developer who can apply problem solving and design skills to enhance enterprise applications. By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Team/Role Overview Join a highly experienced development team with a proven track record of producing scalable, enterprise web applications. The IDEAS department is a global department in Citigroup that develops and supports a wide range of applications.

Job Responsibility

  • Design, develop, and maintain scalable web applications and microservices, focusing on usability, performance, and resilience
  • Implement robust business logic and design efficient, scalable database models
  • Develop and enhance user experience (UX) components
  • Interact with an extended, global team of passionate, experienced software developers, architects, and business analysts
  • Influence technologies and practices and contribute to design discussions and problem-solving sessions

Requirements

  • 5+ years of experience in Core Java, Java EE, full-stack development, and proven experience in microservices architecture
  • Strong proficiency with enterprise message bus systems (e.g., Solace, TIBCO or other JMS-based systems) and deep knowledge of RESTful web services
  • Expertise in database design (Oracle 11+, writing complex SQL), ORM technologies, and J2EE application containers (e.g., Tomcat, WebSphere)
  • Strong UI development skills, including JavaScript, Bootstrap, JQuery, HTML5, and CSS3/Ajax
  • Familiarity with modern development environments (IDEs like Eclipse, IntelliJ), build tools (Maven, Ant), version control (Git), unit, integration, and system testing principles, and security best practices
  • Excellent debugging and problem-solving skills, good verbal and written communication, and the ability to balance technical requirements with business needs in a global team
  • Bachelor's degree in Computer Science, a related technical field, or equivalent work experience

Nice to have

  • Desirable experience includes Business Process Management (BPM) tools, modern front-end frameworks (Angular/TypeScript), and performance monitoring tools (AppDynamics)
  • Familiarity with AI tools would be an 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
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