Citi Logo

Citi

Backend Developer – Java, Flink, kafka

Posted 7 Days Ago
Be an Early Applicant
In-Office
Mississauga, ON
Senior level
In-Office
Mississauga, ON
Senior level
The Backend Developer will implement and analyze application systems, ensure security measures, and provide support while mentoring junior analysts.
The summary above was generated by AI

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.

------------------------------------------------------

Job Family Group:

Technology

------------------------------------------------------

Job Family:

Applications Development

------------------------------------------------------

Time Type:

Full time

------------------------------------------------------

Most Relevant Skills

Please see the requirements listed above.

------------------------------------------------------

Other Relevant Skills

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

------------------------------------------------------

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.

Top Skills

Ci/Cd
Flink
Hibernate
Java
Kafka
MongoDB
Openapi
Oracle
Rest
Spring Boot
Swagger

Similar Jobs

7 Days Ago
In-Office
Mississauga, ON, CAN
Senior level
Senior level
Fintech • Financial Services
The Backend Developer leads application systems analysis and programming, resolving complex business issues and mentoring mid-level developers.
Top Skills: DockerFlinkGraphQLGrpcJavaKafkaKubernetesMongoDBOauth 2.0Openid ConnectOraclePl/SqlRestSaml 2.0Spring BootSpring MicroservicesSwagger
3 Hours Ago
Easy Apply
Hybrid
Toronto, ON, CAN
Easy Apply
Mid level
Mid level
Big Data • Cloud • Software • Database
Lead and grow the MongoDB Search team, focusing on technical decisions, team performance, feature delivery, stakeholder collaboration, and customer satisfaction.
Top Skills: DatabasesDistributed SystemsMongoDB
3 Hours Ago
Remote or Hybrid
Ontario, ON, CAN
Mid level
Mid level
Fintech • Information Technology • Logistics • Payments • Analytics • Business Intelligence • Generative AI
The Customer Solution Partner collaborates with Sales to deliver scalable solutions, engages in sales cycles, and manages client relationships effectively.
Top Skills: ExcelOpenairSalesforceWord

What you need to know about the Ottawa Tech Scene

The capital city of Canada and the nation's fourth-largest urban area, Ottawa has proven a rapidly growing global tech hub. With over 1,800 tech companies, many of which are leaders in their sectors, the city's tech talent now makes up more than 13 percent of its total workforce. This growth is driven not only by the big players like UL Solutions and Dropbox, but also by a thriving startup ecosystem, as new businesses emerge to follow in the footsteps of those that came before them.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account