Junior Java Microservices Developer Jobs in Largo, FL

Citi is looking for a Senior Java Developer to design, build, and deliver complex software applications within a high-performing Technology team that directly supports business-critical systems across the firm. In this role, you will operate as a subject matter expert, shaping end-to-end application development from system architecture through to deployment and ongoing support. You will influence technical standards, mentor peers, and collaborate across technology and business teams to deliver solutions that are secure, scalable, and aligned to real business outcomes.

Responsibilities

• Design and develop scalable software applications using Java 17+, Spring Boot Microservices, and Hibernate, ensuring solutions are robust, maintainable, and aligned to business requirements.

• Build and maintain full-stack solutions by developing frontend interfaces with JavaScript, HTML5, and CSS3, and integrating backend services to deliver seamless user experiences.

• Lead system analysis and architecture activities, producing design artefacts including architecture diagrams, flowcharts, activity diagrams, and sequence diagrams to guide development decisions.

• Manage all phases of the software development lifecycle, from feasibility assessment and technical planning through to construction, testing, implementation, and post-go-live support.

• Embed security best practices into application design and conduct post-implementation analysis to validate system functionality and identify areas for improvement.

• Drive quality across the codebase by implementing and maintaining automated test coverage using frameworks such as JUnit, Cucumber, and Playwright.

• Act as a technical authority for senior stakeholders and cross-functional teams, providing guidance on advanced engineering solutions and helping to define development standards and processes.

• Mentor and coach junior and mid-level engineers, sharing technical knowledge and supporting their development within the team.

Required qualifications & skills

• 5 or more years of hands-on experience in software application development or systems design, with a clear track record of delivering complex technical solutions end to end.

• Deep expertise in backend development using Java 17+, Spring, Spring Boot Microservices, and Hibernate, with strong command of Oracle PL/SQL for database development.

• Demonstrated ability to produce software design artefacts including architecture documentation, flowcharts, and UML-style activity and sequence diagrams.

• Practical experience managing projects using Agile methodologies and JIRA, with the ability to plan, prioritize, and deliver under shifting timelines and requirements.

• Subject matter expertise in at least one area of software application development, with the ability to advise senior stakeholders and guide technical decision-making independently.

• Strong proficiency in source control practices using Git, with experience working across collaborative, multi-team development environments.

• Bachelor's degree in a relevant field or equivalent professional experience.

Beneficial skills & qualifications

• Working knowledge of Angular 16+ for building dynamic, component-based frontend applications.

• Practical experience using AI-assisted development tools such as GitHub Copilot, Claude, or Devin to accelerate design and coding workflows.

• Familiarity with MongoDB or other NoSQL database technologies as a complement to relational database experience.

What we offer

At Citi, you will work on technology that matters at genuine global scale, collaborating with talented engineers across a high-performance environment where your contributions have direct business impact. This is a role that offers both technical depth and the opportunity to grow your influence across the organization.

• A hybrid working model with 3 days in the office and 2 days working remotely, giving you structure and flexibility in how you work.

• Access to continuous learning and development resources to keep your technical skills current and support your long-term career growth.

• The opportunity to work on complex, high-impact systems at one of the world's leading financial institutions, with real ownership over outcomes.

• Exposure to cutting-edge technologies and modern engineering practices, including AI-assisted development tooling, within a collaborative team environment.

• Wellbeing support and work-life balance initiatives designed to help you perform at your best over the long term.

• Competitive financial benefits and a comprehensive total rewards package reflective of your seniority and contribution.

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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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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.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi’s EEO Policy Statement and the Know Your Rights poster.