Java Developer - Apps Dev Programmer Analyst

Citi Commercial Bank (CCB) provides global banking capabilities and services around the world to mid-sized, globally oriented companies across all stages of their growth. This job opening will help CCB to build sophisticated solutions that will be targeting 100% digitalization and automation of the applications.

Responsibilities of this role is building and supporting the banking applications. As an application developer, candidate is expected to have good analytical thinking, problem solving, good programming/technical fundamentals and eagerness to learn new technologies/concepts. Candidate must be open to accept challenges and suggestions.

Backend Development (Required):

- 2-4 Years of Strong Core Java and functional programming experience.

- Understanding of concurrent and parallel programming, including threads, processes, synchronization, and handling race conditions.

- Knowledge of reactive programming for building asynchronous, event/message-driven systems in microservices based applications that are highly concurrent.

- Proficient in containerizing applications, continuous integration, and continuous delivery in Java ecosystem.

- Knowledge of distributed tracing and API Gateway integration for microservices architecture.

- Proficient in functional programming concepts with Streams API, Lambda Expressions and Optional.

- Understanding of secure coding practices, SSL/TLK, OAuth, and JWT token handling in Java-based applications.

- Expertise in integrating Java with NoSQL databases such as MongoDB for scalable, high availability applications.

- Strong experience in data modeling and experience with relational and no-SQL database, Oracle and MongoDB.

- Understanding of integrating APIs with third party libraries/vendors and handle the security around it.

- Understanding of the principles of distributed systems, including data partitioning, replication, and consistency models.

- Strong grasp of data structures and algorithms, especially those relevant to distributed systems like distributed hash tables and load balancing techniques.

- Understanding of microservices architecture, including service discovery, API gateways, and inter-service communication.

Other areas (Required):

- Exceptional Problem-Solving and Analytical Skills to diagnose and resolve issues in distributed environments.

- Above average skills in monitoring, logging, and debugging distributed systems to ensure reliability and performance.

- Expertise in fundamental concepts such as consistency, availability, partition tolerance, fault tolerance, and scalability.

- Familiarity with container orchestration (e.g., Kubernetes), and distributed messaging systems (e.g., Kafka).- Experience using Git/BitBucket.
- Good communication skills, both written and verbal.

Other areas (Good to have):

- Unix shell scripting.
- Knowledge of ElasticSearch, and GraphQL.
- Experience with building apps which are highly performant and scalable will be great.
- Knowledge of Generating Artificial Intelligence (AI), Machine Learning (ML), and Large Language Models (LLMs).