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Added 7 mins ago
AI Engineer (Data Scientist)
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Toronto, ON
Undergraduate university degree in a related field such as Data Science, Artificial Intelligence, Computer Science, or Business Administration.
Added 7 mins ago
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Software Engineer, Full Stack
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Oshawa, ON
- Volunteer
Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of Software Engineer, Full Stack.
Added 7 mins ago
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Mississauga, ON
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…compliance in accordance with contract documents and assist the Engineer of Record for construction compliance in accordance with the…
Added 22 mins ago
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- Full-time
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Senior Data Engineer
AgileGrid Solutions
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- Full-time
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Calgary, AB
- Full-time
Artificial intelligence tools may be used in the screening or selection of applications for this role.
Added 37 mins ago
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Mechanical Design Engineer
Insight Global
London, ON
- $45 to $65 CAD / hour
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Artificial intelligence tools are used to assist in screening and assessing applicants for this position.
Added 37 mins ago
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Xanadu
Toronto, ON
- Full-time
Please be advised that we may use artificial intelligence (AI) tools to assist in the screening and assessment of applicants for this position. These tools assist our recruitment team but…
Added 1 hour ago
Senior Civil Designer
GHD Group Pty Ltd
Whitby, ON
…subject to review and approval by the responsible professional…
Added 1 hour ago
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Process Engineer
isgSearch
Toronto, ON · Greater Toronto Area, Canada
- $65,000 to $70,000 CAD / year
- Full-time
isgsearch does not use artificial intelligence in the recruitment screening process
Added 1 hour ago
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Senior Software Engineer
PlugandPlay Talent
Vancouver, BC
- Full-time
Added 1 hour ago
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Low Latency Java Developer, Vice President
Citi
Mississauga, ON
- Full-time
We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the…
Added 2 hours ago
IG
Site Reliability Engineer
Insight Global
Toronto, ON
- $60 to $70 CAD / hour
- Contract
Artificial intelligence tools are used to assist in screening and assessing applicants for this position.
Added 2 hours ago
Materials Engineer, Nuclear Industry
BWXT
Cambridge, ON
…hiring process. As part of our recruitment process, we use artificial intelligence (AI) tools to assist with screening and evaluating applicants. These tools support our efforts to make…
Added 2 hours ago
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Engineering Co-op Student - January 2027
Hudbay Minerals
Princeton, BC
- $65,624 to $68,744 CAD / year
AI Disclosure: Artificial Intelligence is not used to screen, assess, or select applicants; however, Hudbay may use automation for administrative processes.
Added 2 hours ago
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Senior Data Engineer
Javelin Technologies
Canada
- Full-time
As Senior Data Engineer / Data Scientist, you will design, build, and operate the group's data ecosystem: integrating data from our core business systems, developing robust pipelines,…
Added 2 hours ago
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Engineering Co-Op Student
CURA
Calgary, AB
- Volunteer
…commercial demonstration. Each co-op student is paired with a CURA engineer or scientist who acts as their mentor and day-to-day supervisor, and works as a full member of that person’s…
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Moncton, NB
- Full-time
We may use artificial intelligence (AI) tools to suppor
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Project Engineer
CF Industries
Courtright, ON
- Full-time
Reporting to the Engineering Supervisor - Projects, the Project Engineer will lead the execution, coordination, construction, and cost control of specific projects from conception to…
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AI Trainer: Mechanical Engineers CAD
Brunel
Remote, Canada
- $40 to $125 USD / hour
- Full-time
- Remote
…brings together hands-on mechanical engineering expertise and artificial intelligence to help evaluate and improve how AI models solve real-world engineering problems. Selected experts will…
Added 3 hours ago
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Tanium Engineer
Insight Global
Toronto, ON
- $55 to $70 CAD / hour
- Contract
We do use artificial intelligence tools to assist with the screening, assessment, or selection of potential applicants for this position.
Added 3 hours ago
MA
Senior Software Engineer
Milya AI
Montreal, QC
- Full-time
Role Description As a Senior Software Engineer at Milya AI, you will design, build, and maintain production-grade software systems that power our AI-driven dental solutions. You will…
Added 3 hours ago
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Electrical Design Engineer
BGIS
Toronto, ON
- Full-time
We value transparency in our hiring processes. Please note, artificial intelligence may be used in certain stages to screen, assess, or select applicants, however, a human reviewer makes…
Added 4 hours ago
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Senior Conversational Bot Engineer
Quantiphi
Canada
- Full-time
Added 7 hours ago
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Power Systems Engineer II
Jobgether
Canada
- Full-time
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential…

Citi

Low Latency Java Developer, Vice President

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
Apply by: Dec 28, 2026
Posting language: English
Posted: Nov 2, 2026

Original job description

Role Summary

The Applications Development Technical Lead Analyst is a senior engineering and architectural leadership role, within the global Client Risk and Position Management technology organization.

In this capacity, you will serve as the principal designer, systems architect, and hands-on lead engineer for mission-critical, low latency, and high-throughput risk platforms. These platforms power real-time credit checks, intraday position aggregation, margin valuation, anomaly detection, and live risk limit enforcement across global trading desks.

As an engineering leader, you will collaborate extensively with other global teams and stakeholders across Asea, Europe, and Americas. You will champion modern engineering practices - actively designing, building, and prototyping using AI-augmented tools such as GitHub Copilot, Devin, and generative coding assistants to accelerate development of lifecycles, elevate code quality, and modernize enterprise architectures. Additionally, you will serve as the primary regional and global technical contact for Risk Managers, Product Owners, Front-Office Trading Desks, and cross-functional technology partners.

Key Responsibilities:

Architecture, System Design & Core Engineering (Hands-on)

Architect & Design: Lead the end-to-end technical architecture and low-level design for distributed, fault-tolerant, high-concurrency risk calculation and position management engines supporting global trading sessions.
Hands-on Development: Actively write, review, and optimize high-performance, multi-threaded production code primarily in Java (Java 17/21+), with targeted high-performance/low-latency modules in C++ and exploring Rust where ultra-low latency memory safety and deterministic execution are required.
AI-Augmented Engineering: Champion the adoption of modern AI development workflows (e.g., GitHub Copilot, Devin, AI-driven code review, and automated test generation) to enhance developer productivity, modernize legacy components, and accelerate time-to-market.
Middleware & Event Streams: Design resilient, low-latency, event-driven pipelines using enterprise messaging backbones such as Apache Kafka, Solace PubSub+, and other low-latency middleware fabrics.
Performance Tuning: Profile, benchmark, and optimize CPU usage, memory layout, GC overhead, network serialization, and IPC for microsecond/sub-millisecond level latency.

Global Stakeholder Collaboration & Technical Advisory

Key Technical Liaison: Act as a technical contact and subject matter expert (SME) for Risk Managers, Product Owners, Trading Desks, Quantitative Analysts, and Operations across APAC and global hubs.
Global Team Alignment: Partner closely with regional and global engineering pods across Singapore, London, New York, and other tech centers to ensure seamless platform rollouts, operational stability, and cohesive architecture standards.
Cross-Technology Coordination: Interface closely with upstream Order Management Systems (OMS), Execution Management Systems (EMS), Market Data feeds, and downstream Clearing/Settlement and Regulatory reporting platforms across multiple asset classes (FX, Equities, Rates, Commodities, Credit).
Requirement Translation: Translate complex quantitative risk models, margin methodologies, and regional/global regulatory requirements into scalable, deterministic technical architecture

Mentorship & Regional/Global Leadership

Lead, coach, and mentor mid-level and junior engineers in Singapore and regional teams in distributed systems design, clean code practices, and modern AI-assisted engineering techniques.
Lead architectural design reviews and rigorous peer code reviews to ensure reliability, security, and maintainability across distributed codebases.
Partner with engineering managers and Scrum Masters across time zones on sprint planning, technical estimations, dependency resolution, and milestone delivery.

Technical Proficiencies:

Java: Proficiency in modern Java (17/21+), JVM internals, memory management/profiling, lock-free data structures, concurrent programming, and low-latency tuning.
C++ / Rust (Desirable): Practical experience or working knowledge of C++ (14/17/20) and/or Rust for performance-critical, memory-safe, or low-latency system components and cross-language interoperability (JNI, FFI)

Education:

Bachelor’s degree / University degree in Computer Science, Computer Engineering, Software Engineering, or equivalent STEM discipline.
Master’s degree (Desirable) in Computer Science, Financial Engineering, or related quantitative field

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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

Lead the architecture, design, development, and performance optimization of distributed, low-latency risk and position management platforms, primarily using Java and also C++ or Rust where appropriate. Serve as a technical liaison to global trading, risk, product, and engineering teams while mentoring engineers and guiding architecture and code reviews.

Requirements

The role calls for senior-level expertise in modern Java, JVM internals, concurrent programming, memory management, and low-latency system optimization; practical C++ or Rust knowledge is desirable. A bachelor's degree in computer science, engineering, or an equivalent STEM discipline is specified, with a master's degree in a related field desirable.

Skills

Java
C++
Rust
Distributed Systems
Low-Latency Engineering
High-Performance Computing
Concurrent Programming
JVM Internals
Memory Management
Lock-Free Data Structures
Apache Kafka
Solace PubSub+
Event-Driven Architecture
Performance Tuning
AI-Augmented Development
Technical Leadership

Visa sponsorship

Not detected in the job text

Keywords

Java 17
Java 21
C++
Rust
JVM Internals
Lock-Free Data Structures
Concurrent Programming
Distributed Systems
Low-Latency Systems
High-Throughput Platforms
Apache Kafka
Solace PubSub+
Event-Driven Pipelines
AI-Augmented Engineering
GitHub Copilot
Devin
AI-Driven Code Review
Automated Test Generation
Performance Profiling
Garbage Collection
Network Serialization
Inter-Process Communication
Risk Management
Position Management
Margin Valuation
Real-Time Credit Checks
Trading Systems
Quantitative Risk Models
JNI
FFI

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