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Citi Logo Citi · IT - Software Development

Senior Full Stack Developer

United States, Jersey City Employment contract 121200.00 - 181800.00 USD / Year · Job Posted June 29, 2026
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Job Description

The Full Stack Developer is responsible for Design, development, and maintaining scalable Java applications with future focus on AI/ML integration on new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to develop applications systems analysis and programming activities.

Job Responsibility

  • Responsible for design and development as a full stack java to build very high-volume, low-latency enterprise applications that can adapt and scale to changing market conditions
  • Understanding the impact of adapting different architectures and designs and present the same to all relevant stakeholders
  • 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
  • Development of solutions following established technical design, application development standards and quality processes in projects
  • Understanding the client requirements and envision the solution that can be captured as respective user stories in JIRA
  • Work with large datasets and develop efficient algorithms for data processing and analysis
  • Collaborate with cross-functional teams to identify and prioritize project requirements
  • Implement AI/ML models using popular frameworks and libraries
  • Ensure high-quality code delivery with robust testing and validation
  • Excellent verbal and written communication skills, enabling effective collaboration with cross-functional teams, stakeholders, and management
  • Proven ability to effectively use complex analytical, interpretive and problem-solving techniques and execute plan
  • Passion and commitment for process and design simplification
  • Work with Production Service/Support to resolve issues
  • Stay up to date with new development tools and strategies

Requirements

  • 6+ years of experience as a Senior Java Developer with hands on end-to-end solutions
  • Java 8+ with strong expertise in Spring, Hibernate, and Java-based frameworks
  • Expert in Java microservice based architecture and REST APIs
  • Knowledge in data processing and storage solutions like Apache Hadoop, Spark, and/or NoSQL databases
  • Experience in relational databases like Oracle, DB2, SQL server
  • Experience in working with in memory database and cache like Redis
  • Experienced in data streaming using kafka
  • Experience with cloud platforms like AWS, Azure, or Google Cloud
  • Strong understanding of data structures, algorithms, and software design patterns
  • Experience with containerization (Docker) and orchestration (Kubernetes)
  • Familiarity with AI/ML technologies, including: Machine Learning frameworks like Weka, Deeplearning4j, or TensorFlow Java API
  • Deep Learning architectures like CNNs, RNNs, or Transformers
  • Natural Language Processing (NLP) techniques and libraries like Stanford CoreNLP or OpenNLP
  • Bachelor’s degree/University degree or equivalent experience

Nice to have

  • Experience with popular AI/ML libraries like LangChain4j or Spring AI
  • Knowledge of Redis Vector DB or Elasticsearch for efficient data retrieval
  • Familiarity with Agile development methodologies and version control systems like Git
  • Worked in Financial industry preferably Funds business functions

What we offer

  • medical, dental & vision coverage
  • 401(k)
  • life, accident, and disability insurance
  • wellness programs
  • paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays
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