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Added 2 days ago
PG
Python Developer with Java Experience
Pacer Group
Mississauga, ON
- Full-time
Job Title: Python Developer with Java Experience
Added 2 days ago
H
QE Lead Automation Testing
Hays
Toronto, ON
- Contract
Solid understanding of at least one programming language (e.g., JavaScript/TypeScript, Python, Java, or C#).
Added 2 days ago
TI
PYTHON FULL STACK DEVELOPER WITH JAVA
Tekgence Inc
Mississauga, ON
- Full-time
Python We are seeking a skilled Backend Developer with 7+ to 10+ years of experience in designing, developing, and maintaining scalable backend applications. The ideal candidate will have…
Added 2 days ago
E
Full Stack Engineer
E-IT
Toronto, ON
- Contract
Backend: 6+ years of strong experience in Java (Java 11/17/21), Spring Framework, Spring Boot, Spring Security, and Spring Data JPA/Hibernate.
Added 2 days ago
TI
JAVA FULL STACK DEVELOPER
Tekgence Inc
Mississauga, ON
- Full-time
Java FSD + UI • 5-8 years of relevant experience in Apps Development roles • Proven full-stack development expertise with hands-on experience in Java, Angular/React, and REST APIs. •…
Added 2 days ago
TI
JAVA DEVELOPER WITH SOLACE
Tekgence Inc
Mississauga, ON
- Full-time
Skills Design, develop, and maintain high-quality Java with Solace / ION / Python applications using SpringBoot. Proficiency in Java core 8+ is a must. Proficiency in Junit. Implement…
Added 2 days ago
B
Sr. Developer - Application Development JAVA N 4B
BrightClaim
Montreal, QC
- Full-time
Sr. Developer - Application Development JAVA N
Added 2 days ago
S
Test Engineering Intern
Semtech
Burlington, ON · CAN - Burlington, ON
- Full-time
Support the process to automate test equipment through software such as Python, C++ and Java.
Added 2 days ago
C
Low Latency Java Developer, Vice President
Citi
Mississauga, ON
- Full-time
…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…
Added 2 days ago
P
Java Fullstack Developer
Prolifics
Montreal, QC
- Contract
We are looking for an experienced Java Full Stack Developer to join our team in Montreal. The ideal candidate will have strong hands-on experience developing enterprise applications using…
Added 2 days ago
IS
Java Architect
Iris Software Inc.
Toronto, ON
- Contract
Lead the architecture, design, and delivery of enterprise-scale Java-based regulatory and compliance applications.
Added 2 days ago
FI
Full Stack Engineer
Flexton Inc.
Toronto, ON
- Contract
We are looking for a skilled Software Engineer with strong experience in Java, Spring MVC, JavaScript, React.js and modern web application development. The ideal candidate should have a…
Added 2 days ago
C
System integrator
CIMA+
London, ON
- $60,480 to $83,160 CAD / year
- Full-time
Experience with Python, Java programming, JavaScript, CSS, RDBMS development (MySQL, SQL, Oracle, etc.), reporting and analytics systems is advantageous.
Added 2 days ago
UO
Scientific Assistant
University of Victoria
Victoria, BC
- Full-time
Experience with computer programming languages such as Python, Java Script, C, C++.
Added 2 days ago
2I
Senior Software Developer Back End
2iSolutions Inc.
Toronto, ON
- Contract
Our Toronto-based client is hiring a Software Developer – Back End – Senior for a 9-month onsite contract opportunity in Toronto, ON. This role requires 5 days onsite at 222 Jarvis Street.
Added 2 days ago
M
Sr. Full Stack Liferay Developer
McKesson
Mississauga, ON
- Full-time
We are seeking a Sr. Full Stack Liferay Developer to design, develop, and support secure, scalable, and high-performing customer portal solutions. This is an excellent opportunity for a…
Added 2 days ago
B
Sr. Developer - Application Development JAVA N 4B
BrightClaim
AB
- Full-time
Sr. Developer - Application Development JAVA N
Added 2 days ago
B
Sr. Developer - Application Development JAVA N 4B
BrightClaim
AB
- Full-time
Sr. Developer - Application Development JAVA N
Added 2 days ago
C
System integrator
CIMA+
London, ON
- $60,480 to $83,160 CAD / year
- Full-time
Experience with Python, Java programming, JavaScript, CSS, RDBMS development (MySQL, SQL, Oracle, etc.), reporting and analytics systems is advantageous.
Added 2 days ago
SG
Java Spring Developer
Software Guidance & Assistance, Inc. (SGA, Inc.)
Mississauga, ON
- Full-time
Software Guidance & Assistance, Inc., (SGA), is searching for Sr. Java Spring Developer for a contract assignment with one of our premier Financial Services clients in Mississauga, ON.
Added 2 days ago
2I
Senior Product Manager
2iSolutions Inc.
Toronto, ON
- Contract
● Technology stack: Microsoft Dynamics CRM (backoffice), MuleSoft (middleware) and Java/React (public facing portal)
Added 2 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Experience with C# compliant languages such as C, Java, and Python -Experience with Modbus , Ethernet, EtherCAT
Added 2 days ago
SI
Full Stack Engineer
Stelvio Inc.
Saskatoon, SK
- Full-time
We are Looking for a Intermediate Full stack Developer to join an established technology team.
Added 2 days ago
M
Senior TypeScript Engineer
MapsPeople
Richmond Hill, ON
- Full-time
Improve developer experience through tooling, automation, and CI/CD pipeline enhancements
Added 2 days ago
Software Developer II, Early Career
Google
Waterloo, ON
1 year of experience with software development in one or more programming languages (e.g., Python, C, C++, Java, JavaScript) in an industry setting.

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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