Java Developer - Assistant Vice President

Citi; Mississauga; On-site; CAD 80,000 - 100,000; Full time

Job summary

Citi is seeking a Java Developer in Mississauga, Canada. This intermediate-level position focuses on application systems analysis and implementation in collaboration with the Technology team. Responsibilities include integrating functions to achieve objectives and solving complex problems. Required qualifications include 5+ years in Apps Development, extensive programming experience, and expertise in core Java and Spring Boot development. A Bachelor’s degree is mandatory, and a Master’s is preferred. Join Citi to contribute to innovative application systems!

Qualifications

• 5+ years of relevant experience in Apps Development or systems analysis role.
• Extensive experience in system analysis and in programming of software applications.
• Subject Matter Expert (SME) in at least one area of Applications Development.

Responsibilities

• Partner with management teams to integrate functions and identify system enhancements.
• Resolve high impact problems through evaluation of complex processes.
• Develop standards for coding, testing, debugging, and implementation.

Skills

Core Java

Spring Boot

Microservices Development

Problem-Solving Skills

Analytical Skills

AI-powered Coding Assistants

Education

Bachelor’s degree/University degree or equivalent experience

Master’s degree preferred

Tools

Git

Kubernetes

Kafka

ElasticSearch

GraphQL

Job description

The Java Developer 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 application systems analysis and programming activities.

Responsibilities

• Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements.
• Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards. Provide expertise in the area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint.
• Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation.
• Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals.
• Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions.
• 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+ years of relevant experience in Apps Development or systems analysis role
• Extensive experience in system analysis and in programming of software applications
• Subject Matter Expert (SME) in at least one area of Applications Development
• Ability to adjust priorities quickly as circumstances dictate
• Consistently demonstrates clear and concise written and verbal communication

Backend Development (Required)

• Strong hands‑on core Java, functional programming, and Spring Boot microservices development 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/TLS, OAuth, and JWT token handling in Java‑based applications.
• Expertise in integrating Java with NoSQL databases such as MongoDB for scalable, high‑availability applications.
• Understanding of integrating APIs with third‑party libraries/vendors and handling the security around it.
• Understanding of the principles of distributed systems, including data partitioning, replication, and consistency models.
• 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.
• Hands‑on experience using AI‑powered coding assistants e.g. Github Copilot.
• 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)

• Knowledge of ElasticSearch and GraphQL.
• Experience with building apps which are highly performant and scalable will be great.
• Familiarity with Generative AI, Machine learning concepts, and Large Language Models (LLMs), including practical exposure to integrating AI‑assisted capabilities into applications or development workflows.

Education

• Bachelor’s degree/University degree or equivalent experience
• Master’s degree preferred