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Added 2 months ago
GL
Senior IT Security Advisor (Application Security)
goeasy Ltd.
Mississauga, ON
- Full-time
Manage and mature application security programs, including SAST, SCA, DAST, penetration testing, vulnerability management, and API security.
Added 2 months ago
P
Senior Back End Engineer Java/OLAP
Prophix
Remote, Canada
- Full-time
- Remote
…teams worldwide. As a Senior Back-End Engineer specializing in Java and OLAP, you will own the Java side of that engine - designing, optimizing, and scaling the cube capabilities that our…
Added 2 months ago
BC
Sr. Software Engineer (AI/ML)
Blackpoint Cyber
Remote, Canada
- $150,000 to $180,000 CAD / year
- Full-time
- Remote
Python required. Familiarity with TypeScript and/or Java.
Added 29 days ago
Software Engineer, Wallet
Robinhood
Toronto, ON
As a Software Developer, you will build and own the backend services, infrastructure, and data systems that support Robinhood Wallet products. You will develop new features and system…
Added 1 month ago
Senior Software Engineer, Wallet
Robinhood
Toronto, ON
As a Senior Software Developer, you’ll build and own the backend services, infrastructure, and data systems that support Robinhood Wallet products. You will develop reliable and secure…
Added 2 months ago
RA
Software Engineer II, Vehicle Data Services
Rivian and Volkswagen Group Technologies
Remote, Canada
- $77,400 to $102,620 CAD / year
- Full-time
- Remote
Strong proficiency in a statically typed, compiled backend language. Go and Python are what we write most; solid Java, Rust, C++, C#, or Kotlin experience translates well.
Added 2 months ago
G
Software Engineer, Full Stack
Gigi
Toronto, ON
- Full-time
…FastAPI, LangGraph and LangChain; TypeScript, Vue and Nuxt; Java and Spring Boot; PostgreSQL, pgvector, Redis and NATS; and…
Added 2 months ago
O
Software Developer
OceanMD
Toronto, ON
- Full-time
Reporting to the Vice President, Research and Development, we are hiring a Software Developer. As our new Software Developer, you will build and enhance the health technology that helps…
Added 3 months ago
K
Software Developer - Backend_Immediate Joiner's
Kite
Quebec, Quebec
- Full-time
…and payments platforms. The ideal candidate is proficient in Java, Spring Boot, PostgreSQL, Kafka, REST APIs, and Test-Driven Development (TDD), and is comfortable working in an AI-assisted…
Added 2 months ago
GD
Senior Engineer I
Groupe Dynamite
Mont-Royal, Quebec
- Full-time
2+ years of experience extending software applications using .NET Framework or Java;
Added 1 month ago
Staff Software Engineer, Product Risk
Stripe
Toronto, ON
…engineering practices and guiding product teams on event-driven data API modeling - so that every team at Stripe can build, decide, and grow from a trusted, well-engineered data…
Added 2 months ago
FC
Quality Assurance Analyst, Investly
Fidelity Canada
Toronto, ON
- Full-time
Working experience in JS, Java, Python or other modern programming language
Added 1 month ago
Angular or React Full Stack Developer - onsite Mississauga CA
Capgemini
Mississauga, ON
Extensive experience with Java and the Spring Boot framework for building high-performance back-end services.
Added 1 month ago
AI and Data - Manager - AI Engineer
EY
Toronto, ON
Advanced object-oriented coding skills in Python for production-level codebases. Familiarity with Java, TypeScript/JavaScript is a plus.
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 2 months ago
I
Technology Lead - DevOps
Infosys
Mississauga, Ontario
- Full-time
Experience building and maintaining CI/CD for modern application stacks (e.g., .NET/Java/Node, containers), including approvals, gates, and quality checks.
Added 2 months ago
J
Senior Software Engineer, Applied AI (Netherlands)
Justworks
Toronto, ON
- €143,000 to €184,000 EUR / year
Strong API design and system integration skills
Added 1 month ago
Senior Software Engineer, Applied AI (Spain)
Justworks
Toronto, ON
Strong API design and system integration skills
Added 1 month 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 1 month ago
Senior Software Developer – MLOps
Coveo
Montreal, QC
5+ years of experience in backend development in a cloud environment (Python or Java/Spring preferred, AWS an asset)
Added 3 months ago
AC
Frontend Technologies Architect
Aviva Canada
Markham, Ontario
- Full-time
API and event technologies such as REST, GraphQL, Pub/Sub, and WebSockets.
Added 3 months ago
AC
Frontend Technologies Architect
Aviva Canada
Toronto, Ontario
- Full-time
API and event technologies such as REST, GraphQL, Pub/Sub, and WebSockets.
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 3 months ago
IS
Java Full Stack Developer
Iris Software Inc.
Toronto, Ontario
- Full-time
…banking and financial services corporation is looking to hire an Java Full Stack Developer Our direct client is a is a world-leading financial services company, provides consumers,…
Added 3 months ago
AP
Director of Engineering, Web and Mobile
Accommodations Plus International
Markham, ON
- $190,000 to $200,000 CAD / year
Deep technical background in Java and Angular (or a comparable modern frontend framework such as React or Vue), with a strong sense for building responsive, usable web and mobile front ends

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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