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Added 1 month ago
AI and Data - Manager - AI Engineer
EY
Toronto, ON
…including chunking strategies, embedding models, vector store integration, and re-ranking to ground agent outputs in accurate, current enterprise…
Added 2 months ago
C
Java Full Stack Developer - React JS - Assistant Vice President
Citi
Mississauga, ON
- Full-time
The position is for a senior full-stack developer with 6-8 years of experience, specializing in building enterprise-scale applications. This role is suited for a strong React-focused full…
Added 3 months ago
SG
Lead Penetration Test Engineer
S&P Global
Toronto, Ontario
- $135,000 to $180,000 CAD / year
- Full-time
Experience with Java application technologies, deployment frameworks, and associated security best practices.
Added 2 months ago
Java Full stack Developer
Capgemini
Toronto, ON
· Experience and knowledge with Java, J2EE, Spring, Spring Boot, RESTful APIs, Microservices, and NoSQL/SQL databases.
Added 2 months ago
J
Senior Software Engineer, Applied AI (Netherlands)
Justworks
Toronto, ON
- €143,000 to €184,000 EUR / year
…agent design, robust backend service architecture, tool and integration development, and sophisticated knowledge…
Added 2 months ago
Senior Software Engineer, Applied AI (Spain)
Justworks
Toronto, ON
…agent design, robust backend service architecture, tool and integration development, and sophisticated knowledge…
Added 2 months ago
GM
Staff Android Developer – Infotainment
General Motors
Markham, ON
- Full-time
The Staff Android Developer – Infotainment is a senior technical leader responsible for designing, building, and evolving in-vehicle Android applications and platform components that power…
Added 3 months ago
AC
Frontend Technologies Architect
Aviva Canada
Markham, Ontario
- Full-time
Backend frameworks, preferably Java and Node.js.
Added 3 months ago
AC
Frontend Technologies Architect
Aviva Canada
Toronto, Ontario
- Full-time
Backend frameworks, preferably Java and Node.js.
Added 2 months ago
C
Apps Dev Tech Lead Analyst
Citi
Mississauga, ON
- Full-time
We are seeking a highly skilled and experienced Backend Java Developer to join our dynamic engineering team. The ideal candidate will be responsible for designing, developing, and…
Added 2 months ago
MS
Senior Java/Scala Developer - Risk Infrastructure (Hybrid)
Morgan Stanley
Montreal, QC
- Full-time
We’re seeking a Senior Java/Scala Developer to join the Optimus SDLC team and lead the evolution of Optimus within the broader Codetree ecosystem, which supports Morgan Stanley’s Fixed…
Added 1 month ago
FullStack Engineer - Halifax Canada
NTT DATA Services
Halifax, NS
Design, develop, test, and maintain scalable enterprise applications using Java, Spring Framework, and Spring Boot.
Added 2 months ago
C
Senior Java Tech Lead - Vice President
Citi
Mississauga, ON
- Full-time
Deep, authoritative knowledge of core Java, including multi-threading, concurrency, memory management, and performance tuning
Added 2 months ago
S
Staff Engineer - Toronto
Sokin
Toronto, ON
- Full-time
Collaborate with other engineers and departments to ensure seamless integration of new features and technologies.
Added 3 months ago
I
Staff Software Developer, Full Stack
Intuit
Toronto, Ontario
- Full-time
The ideal candidate is an experienced Software Developer who is experienced with Java, TypeScript, React and general full-stack development. This engineer should be full-stack and prepared…
Added 4 months ago
C
Senior Quality Engineer (Python, SQL)
Cognizant
Halifax, Nova Scotia
- $70,000 to $90,000 CAD / year
- Full-time
…spans the breadth of Windows and Linux platforms, Python / Java environments, HDFS, Kafka , MS SQL , Snowflake , Data bricks…
Added 2 months ago
L&
Associate Back End Developer
Light & Wonder
Montreal, QC
- Full-time
As a member of the development team, within our Montreal studio, the Game Developer will be responsible for programming new interactive casino games creating high-quality games, stable…
Added 2 months ago
LH
AI Augmented Developer II (Espresso)
LGI Healthcare Solutions Santé Inc.
Montreal, QC
- Full-time
Experience with Continuous Integration and Continuous Deployment (CI/CD).
Added 3 months ago
H
Android Engineer II (Hybrid)
Homebase
Toronto, Ontario
- $108,000 to $128,000 USD / year
- Full-time
Experience with testing frameworks (unit, feature, integration)
Added 2 months ago
E
Technical Lead / Senior Developer - Software Development
EY
Victoria, BC
- Full-time
Validate integration approaches for SOAP services.
Added 4 months ago
DC
Software QA - Intermediate (Cloud Platform)
Delta Controls
Surrey, British Columbia
- Full-time
…test systems using programming, test architecture, and CI/CD integration to validate APIs, UI, services, data workflows, integrations, and AI-assisted…
Added 4 months ago
KP
Programmer Analyst - Competition ID: 4663
Kwantlen Polytechnic University
Surrey, British Columbia
- Full-time
Programming languages may include: SQL, PL/SQL, T-SQL, C/C++, Java, Perl, PHP, Shell scripting, AWK, and PowerShell.
Added 3 months ago
HT
Research Engineer - AI Data Security
Huawei Technologies Canada Co., Ltd.
Markham, ON · Waterloo, ON
- Contract
…to optimize end-to-end security solutions, accelerating the integration of research prototypes into real-world commercial products to deliver concrete business…
Added 3 months ago
HT
Intern Researcher - AI Data Security
Huawei Technologies Canada Co., Ltd.
Waterloo, ON
- Internship
…to optimize end-to-end security solutions, accelerating the integration of research prototypes into real-world commercial products to deliver concrete business…
Added 4 months ago
VG
[VO2 Canada] - Développeuse.eur Fullstack- Missions Ponctuelles
VO2 GROUP
Montreal, Quebec
- Full-time

Citi

Apps Dev Tech Lead Analyst

Mississauga, ON, Canada

$120,800.00 - $170,800.00 · Full-time

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Job details

Pay: $120,800.00 - $170,800.00
Job type: Full-time
Experience: 6-10 years of relevant experience in Apps Development or systems analysis role
Posting language: English
Posted: Aug 4, 2026

Original job description

We are seeking a highly skilled and experienced Backend Java Developer to join our dynamic engineering team. The ideal candidate will be responsible for designing, developing, and maintaining scalable, high-performance, and resilient backend services. This role involves working with a modern technology stack focused on asynchronous, event-based microservices, reactive programming, and robust data persistence solutions. A strong commitment to quality through Test-Driven Development (TDD) and comprehensive unit testing is essential.

Responsibilities:

Design, develop, and deploy asynchronous, event-driven microservices using Java.
Implement solutions leveraging Java Lambdas and Reactive Functional Programming paradigms.
Work with NoSQL databases, specifically MongoDB, for efficient data storage and retrieval.
Utilize Elasticsearch for building powerful search and analytics capabilities.
Integrate and develop event streaming solutions with Apache Kafka.
Ensure high code quality through adherence to Test-Driven Development (TDD) principles and writing thorough JUnit tests.
Collaborate with frontend developers, product managers, and other stakeholders to define and deliver features.
Participate in code reviews to maintain code quality, share knowledge, and ensure best practices.
Troubleshoot and debug production issues, providing timely resolutions.
Contribute to the continuous improvement of our development processes, tools, and methodologies.
Stay up-to-date with emerging trends and technologies in backend development.
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 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
Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
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.

Required Skills and Experience

Core Technologies:

Languages & Frameworks: Strong proficiency in Java (Java 8+), with extensive experience in building scalable backend applications.
Microservices: Experience with designing and implementing asynchronous, event-based microservices architectures.
Functional & Reactive Programming: Hands-on experience with Java Lambdas and Reactive Programming frameworks (e.g., Spring WebFlux, Reactor, RxJava).

Databases:

NoSQL: Strong experience with MongoDB.
Search & Analytics: Proficiency with Elasticsearch.
Messaging & Streaming: Solid experience with Apache Kafka for event streaming and messaging.

Development Practices

Testing: Expert-level understanding and practical application of JUnit for unit testing and Test-Driven Development (TDD).
Version Control: Proficient with Git and collaborative development workflows (e.g., Pull Requests, GitFlow).
CI/CD: Familiarity with continuous integration and continuous deployment pipelines.

Recommended Qualifications:

6-10 years of relevant experience in Apps Development or systems analysis role
Extensive experience system analysis and in programming of software applications
Experience in managing and implementing successful projects
Subject Matter Expert (SME) in at least one area of Applications Development
Ability to adjust priorities quickly as circumstances dictate
Demonstrated leadership and project management skills
Consistently demonstrates clear and concise written and verbal communication
Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
Experience with Docker and Kubernetes for containerization and orchestration.
Knowledge of other NoSQL databases.
Contributions to open-source projects.
Experience in a fast-paced, agile development environment.

Education:

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

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

Strong understanding of data structures, algorithms, and object-oriented design principles.
Experience with RESTful API design and development.
Familiarity with cloud platforms (e.g., AWS, Azure, GCP) is a plus.
Excellent problem-solving, analytical, and debugging skills.
Ability to work independently and as part of a collaborative team.

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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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Primary Location Full Time Salary Range:

$120,800.00 - $170,800.00

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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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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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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.

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More about this job

Responsibilities

The role involves designing, developing, and maintaining scalable, asynchronous, event-driven microservices using Java. You will collaborate with cross-functional teams to define features, troubleshoot production issues, and ensure high code quality through TDD and rigorous testing.

Requirements

Candidates must have 6-10 years of experience in applications development with strong proficiency in Java, NoSQL databases, and event streaming technologies. A bachelor's or master's degree in Computer Science or a related field is required, along with leadership skills and expertise in system analysis.

Skills

Java
Microservices
MongoDB
Elasticsearch
Apache Kafka
Test-Driven Development
JUnit
Reactive Programming
Spring WebFlux
Git
CI/CD
Docker
Kubernetes
RESTful API
System Analysis
Project Management

Visa sponsorship

Not detected in the job text

Keywords

Java
Microservices
MongoDB
Elasticsearch
Apache Kafka
Test-Driven Development
JUnit
Reactive Programming
Spring WebFlux
Git
CI/CD
Docker
Kubernetes
RESTful API
System Analysis
Project Management
Backend Development
Asynchronous
Event-driven
Agile
Cloud Platforms
Algorithms
Data Structures
Object-Oriented Design
Software Engineering
Applications Programming
Infrastructure
Architecture
Debugging
Technical Leadership

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