Senior Java Developer (AI)

TL;DR

Senior Java Developer (AI): Building and optimizing a high-load AI-native controls platform for global financial institutions with an accent on distributed systems, cloud-native architecture, and AI-assisted engineering. Focus on designing scalable microservices, implementing complex Java internals, and leveraging agentic AI tools to accelerate delivery.

Location: Hybrid (1 day/week in Montreal or Toronto) or Remote for candidates based in other Canadian cities

Company

A cloud-native AI company providing an integrated controls platform for global banks, asset managers, and hedge funds.

What you will do

• Lead high-level architectural design for complex, cross-service features and maintain design documentation (ADRs, tech specs).
• Implement critical product components using advanced Java, ensuring high performance, correctness, and maintainability.
• Direct agentic AI tools (Claude Code, Codex) across the full engineering workflow, including code generation and refactoring.
• Drive the engineering roadmap for assigned product areas and identify technical risks or architectural limitations.
• Collaborate with product, DevOps, and ML teams to communicate technical decisions and align on delivery.
• Participate in the hiring process and technical knowledge-sharing sessions.

Requirements

• Expertise in Java internals (GC tuning, concurrency, NIO) and the Spring Framework (Spring Boot).
• Strong experience with microservices, distributed systems (Sagas, CQRS), and scalable API design.
• Proficiency with cloud platforms (GCP preferred) and Infrastructure as Code (Terraform).
• Must be based in Canada (Hybrid in Montreal/Toronto or Remote elsewhere in the country).
• Mandatory practitioner-level experience with agentic AI tools like Claude Code, Codex, or equivalents.
• Deep knowledge of SOLID principles, Clean Code, and GoF design patterns.

Culture & Benefits

• Competitive cash compensation and equity awards aligned with long-term value.
• Comprehensive health insurance for employees and their families.
• Generous time-off policy of 30 days annually, plus public holidays and sick leave.
• High-performance culture focused on speed, experimentation, and technical excellence.
• Modern offices in downtown Montreal and Toronto.

Hiring process

• A series of interviews focused on technical expertise and engineering judgment.
• A live technical exercise to validate problem-solving speed, accuracy, and technical competencies.