Backend Java Developer, Officer

Citibank (Switzerland) AG; Irving, Northern (TX, KY); Hybrid; Confidential; Full time

Benefits offered by this job

Medical, dental & vision coverage

401(k)

Life and disability insurance

Wellness programs

Paid time off

Job summary

Citigroup's technology team in Irving, TX seeks a hands-on Apps Developer to design, build, and deploy microservices. You will work across Java or Python stacks, implement RESTful APIs, and help shape API design and architecture. Expect collaboration with DevOps/SRE on CI/CD and containerized deployments, plus mentoring teammates.

You will participate in Agile ceremonies, ensure observability, and uphold security and governance standards while delivering scalable, high-availability services.

Qualifications

• 2-5 years in Apps Development with microservices in Java/Python.
• Backend languages: Java (Spring Boot) or Python.
• Experience with containers and orchestration tools.
• REST APIs, queues (Kafka, RabbitMQ), event-driven architecture.
• Databases: PostgreSQL, MongoDB, Cassandra, etc.
• Familiar with CI/CD tools and Git version control.
• Strong analytical, data-driven and results-oriented.
• Experience with high-traffic cloud-based services.

Responsibilities

• Design, develop, test, and deploy microservices using modern frameworks and cloud-native principles.
• Write clean, maintainable code with documentation and best practices.
• Participate in architecture discussions and API design.
• Ensure services are observable with logging, metrics, and tracing.
• Collaborate with DevOps/SRE to build CI/CD pipelines and containerized deployments.
• Conduct code reviews and mentor juniors on best practices.
• Ensure security, compliance, and data governance throughout development.

Skills

Java or Python

Spring Boot

Docker

Kubernetes

OpenShift

REST API design

PostgreSQL / NoSQL

CI/CD tooling

Education

Bachelor's degree or equivalent experience

Tools

Docker

Kubernetes

OpenShift

Jenkins

Tekton

GitLab CI

Git

Job description

Responsibilities

Design, develop, test, and deploy microservices using modern frameworks and cloud-native principles. Write clean, maintainable, and well-documented code following engineering best practices. Participate in architecture and design discussions, contributing to microservice decomposition and API design. Implement RESTful APIs and/or gRPC services with proper authentication, authorization, and rate-limiting. Ensure services are observable — implement logging, metrics, and distributed tracing. Collaborate with DevOps/SRE teams to build CI/CD pipelines and support containerized deployments (Docker/Kubernetes/OpenShift). Conduct code reviews and mentor junior developers on best practices. Troubleshoot and resolve production issues, ensuring high availability and performance of services. Participate in Agile ceremonies (sprint planning, stand-ups, retrospectives). Ensure adherence to security, compliance, and data governance standards. Turn tech stack and application design into code on multiple development platforms (e.g. iOS, Android, web/Angular, services). Address a variety of responses to problems, questions, or situations by applying established criteria to directly influence development outcomes. In doing so, use the right technology to solve technical challenges required to deliver small scale features and functions and / or supporting aspects of a larger program efforts. Responsible for applications systems analysis and programming activities that may include assisting with feasibility studies, time and cost estimates and implementation of new or revised applications systems and programs. Accountable for development, design, construction, testing and implementation and write secure, stable, testable and maintainable code. Expected to operate with autonomy, while some oversight and direction may be required. Engage in digital applications development, risk technology, Middleware, Mainframe applications, Non Mainframe applications, Analytic Model Development and Application support activities to meet specific business needs of user areas and to test systems to ensure integrity of deliverables. Expected to provide sound understanding of application development concepts and principles and a basic knowledge of concepts and principles in other technology areas. On occasion, may need to consult with users, clients and other technology groups on issues and recommend programming solutions for customer exposed systems. Take the time to fully learn the functionality, architecture, dependencies, and runtime properties of the systems involved with your projects. This includes the business requirements, applications/services, runtime operations (including trouble management/associated support strategies), and maintenance. Understand the business context and the associated customer use cases. Understand the team’s technologies and are able to evaluate system designs and architecture as you participate in solution discussions, development and the creation of application / systems documentation. Drive clarity into technical implementation by driving system build and performance discussions, providing technical context to team members as required and competently represent your team’s systems to others both inside and outside Digital. Occasionally need guidance from peers and / or manager as the team’s operating procedures and technology is well defined. Build and maintain integrated project development schedules that account for internal / external dependencies, differing SDLC approaches, numerous constraints, and adequately factor in contingency for unplanned delays. Negotiate features and associated priority and help the team and their customers reach consensus. Verbal and written communication is clear and concise. Clearly articulate development and timeline dependencies. Have good working relationships with team members, manager, and peers. Improve team development related processes that accelerate delivery, drive innovation, lower costs, and improve quality. Ensure self and peers are actively seeking ways to objectively measure productivity. (i.e., SonarQube Findbugs). This will include a focus on automating code quality, code performance, unit testing, and build processing in the CI/CD pipeline (RTC, Jenkins, RLM) 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.

Qualifications

2-5 years in an Apps Development role with microservices expertise using Java/Python. Demonstrated execution capabilities. Strong proficiency in one or more backend languages: Java (Spring Boot), or Python. Experience with containerization and orchestration tools: Docker, Kubernetes, OpenShift. Solid understanding of RESTful API design, message queues (Kafka, RabbitMQ), and event-driven architecture. Experience with relational and/or NoSQL databases (PostgreSQL, MongoDB, Cassandra, etc.). Familiarity with CI/CD tools (Jenkins, Tekton, GitLab CI, or similar) and Git-based version control. Strong analytical and quantitative skills; Data driven and results-oriented Experience in running high traffic, distributed, cloud based services Experience in affecting large culture change Experience leading infrastructure programs Skilled at working with third party service providers Excellent written and oral communication skills.

Education

Bachelor’s/University degree or equivalent experience.

Job Family Group: Technology

Job Family: Digital Software Engineering

Time Type: Full time

Primary Location: Irving Texas United States

Primary Location Full Time Salary Range: $84,580.00 - $118,020.00 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.

Most Relevant Skills

Most Relevant Skills Please see the requirements listed above.

Other Relevant Skills

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

Anticipated Posting Close Date

Sep 11, 2026

Automated Processing and AI

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

Equal Opportunity Employer

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.