Backend Developer – Java, Flink, kafka

The Backend Developer – Java, Flink, kafka is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

Responsibilities:

• Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
• Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
• Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
• Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
• Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
• Ensure essential procedures are followed and help define operating standards and processes
• Serve as advisor or coach to new or lower level analysts
• Has the ability to operate with a limited level of direct supervision.
• Can exercise independence of judgement and autonomy.
• Acts as SME to senior stakeholders and /or other team members.
• 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:

• 5-8 years of relevant experience
• Experience in systems analysis and programming of software applications
• Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
• Experience in large-scale enterprise application development with the ability to write “clean code” using modern Java technologies (Core Java, Java EE, Spring Boot, Spring Microservices, Hibernate/JPM ORM, Multithreading) including problem-solving and troubleshooting skills.
• Strong understanding of OOPS (Object-Oriented Programming) principles, Data Structures, and Algorithms.
• Experience with Apache Flink for stream processing, including experience converting real-time streams into OLAP formats such as Iceberg and Parquet.
• Experience with OLAP transformations within Apache Flink using FLINK SQL/Data stream/Process Function APIs, specifically for real-time stream data ingestion into Iceberg/Parquet formats for reporting and batch feeds.
• Proficiency in API and Web Services development using REST protocols.
• Strong experience in Unit testing and ensuring test coverage.
• Experience using Swagger/OpenAPI to define, document, implement, and test APIs.
• Experience with High-Speed Messaging platforms, particularly Kafka.
• Advanced knowledge of Relational Databases (specifically Oracle) and NoSQL databases (specifically MongoDB), including PL/SQL proficiency.
• Experience with Continuous Integration / Continuous Delivery (CI/CD) tools.
  
  

Good to have:

• Unix shell scripting.
• Knowledge of OpenShift Container Platform.
• Prior experience with building distributed, multi-tier applications is highly desirable.
• Experience with building apps which are highly performant and scalable will be great.
• Python programming
  
  

Education:

• Bachelor’s degree/University degree or equivalent experience
  
  

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

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

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