Toronto, On Lead java full stack developer Jobs – 151 Openings This Week

AI-First Full Stack Engineer - Vice President
Citi —Mississauga, ON
- $120,800–$170,800 a year
- Full-time
- Computer science
- Oracle
- Computer Science
4d
Apps Dev Tech Lead Analyst - Vice President
Citi —Mississauga, ON
- $120,800–$170,800 a year
- Full-time
- Azure
- Oracle
- Java
5d
Ontario Public Sector – IT Contract Opportunities
ARES Staffing Solutions —Toronto, ON
- Contract
- DevOps
- Java
- In-person
Quick apply
Applications Development Sr Programmer Analyst Assistant Vice President
Citi —Mississauga, ON
- $94,300–$141,500 a year
- Full-time
- Hybrid work
- Oracle
- Java
- Databases
Senior Lead Software Engineer – Regulatory Reporting & Big Data
Citi —Mississauga, ON
- $120,800–$170,800 a year
- Full-time
- Hybrid work
- Management
- Computer Science
- Engineering
7d
Staff Android OS Engineer - Infotainment
Rivian and Volkswagen Group Technologies —Toronto, ON
- $137,000–$181,000 a year
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Java
Senior Software Engineer | Remote | AI SaaS Software Role
Process Street —Toronto, ON
- Full-time
- Remote
- Java
- AWS
- JavaScript
- Dental care
- Paid time off
Quick apply
Staff Software Engineer - Capital One Travel Tech - Full-stack
Capital One - CA —Toronto, ON
- Full-time
- Hybrid work
- Azure
- Computer Science
- Engineering
3h

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AI-First Full Stack Engineer - Vice President
Citi —Mississauga, ON
Provide technical leadership and guidance to the team, fostering best practices in AI-augmented development and scalable system design through code reviews,…
$120,800–$170,800 a year
4d
Apps Dev Tech Lead Analyst - Vice President
Citi —Mississauga, ON
Bachelor’s degree/University degree or equivalent experience. Appropriately assess risk when business decisions are made, demonstrating particular consideration…
$120,800–$170,800 a year
5d

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Ontario Public Sector – IT Contract Opportunities
ARES Staffing Solutions —Toronto, ON
Long-term relationship with a dedicated recruitment team. Experience working within government delivery frameworks and structured environments.
Quick apply

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AI-First Full Stack Engineer - Vice President

Citi -
Mississauga, ON

Apply Now

Job details

Full-time
$120,800–$170,800 a year
4 days ago

Qualifications

Spring Boot
CI/CD
Computer science
Oracle
Cloud architecture
Computer Science
MCP
Kubernetes
Full-stack development
DevOps
Engineering
NoSQL
Test-driven development
MongoDB
Java
Databases
SQL
Docker
JavaScript
JPA
Angular
GitHub
UI
AI
Jenkins
TypeScript
Communication skills
Spring framework
Spring MVC
Design patterns

Full job description

We are seeking a highly experienced and technically proficient AI-First Full Stack Engineer to join our team in Mississauga. This is a critical, senior-level individual contributor role for a deep technical expert who will pioneer the integration of Artificial Intelligence into our software development lifecycle.

The ideal candidate is a passionate, hands-on engineer who operates with a high degree of autonomy to solve complex problems, set technical direction, and mentor other engineers through influence and example, without direct managerial responsibilities. You will be instrumental in translating complex business challenges in the financial domain into robust, scalable, and high-performance applications, built using an AI-augmented approach.

Key Responsibilities:

AI-Augmented Solution Design & Implementation: Lead the end-to-end design, architecture, and hands-on implementation of complex, full-stack applications. Strategically embed AI-powered tools (e.g., Devin, GitHub Copilot, Codex) to accelerate development, automate complex tasks, and validate architectural patterns.

Champion Elite Engineering Craftsmanship: Drive a culture of quality through the disciplined application of Spec-Driven Development (SDD) for clear planning, and Test-Driven (TDD) / Behavior-Driven Development (BDD) for flawless execution. Use AI to generate intelligent test cases and automate quality gates.

Architect for Scale and Resilience: Provide deep expertise in modern application architecture, designing for cloud readiness by applying 12-Factor App principles and microservice patterns to build scalable and resilient systems.

Technical Leadership & Mentorship: Act as a primary subject matter expert in modern software engineering. Provide technical leadership and guidance to the team, fostering best practices in AI-augmented development and scalable system design through code reviews, technical discussions, and collaborative problem-solving.

Strategic Vision & Innovation: Embrace an agile, iterative mindset that avoids "Big Up-Front Design" (BUFD). Contribute to the strategic vision for AI in engineering by researching and evaluating new AI technologies, methodologies, and tools to maintain a competitive edge.

Full-Stack Problem Solving: Mastermind database interactions across Oracle and MongoDB, employing AI to analyze query performance and recommend optimizations. Work across the entire stack to resolve high-impact problems through in-depth evaluation of business and system processes.

Qualifications & Experience

6+ years of experience in software engineering, with at least 6 years in a senior or lead role delivering complex, enterprise-grade applications.

Demonstrated success building and deploying applications in financial services, banking, or capital markets domains.

Proven experience leading technical implementations and mentoring other engineers in a senior individual contributor capacity.

Strong communication and stakeholder management skills, with the ability to articulate complex technical concepts to diverse audiences.

Advanced degree (or equivalent experience) in Computer Science, Engineering, or a related quantitative field is preferred.

Must-Have Engineering & Technical Acumen

Engineering Principles: Deep, practical knowledge of designing for cloud readiness, including microservice architecture, 12-Factor App principles, and modern design patterns.

Development Methodologies: Proven experience championing SDD (Spec Driven Development), TDD (Test Driven Development), and DDD (Domain Driven Design) within an agile environment. You don't just use these practices; you advocate for them.

Core Backend Stack: Mastery of modern Java (JDK 17/21) and the core Spring Framework (Spring Boot, Spring MVC, Spring Data JPA, Spring Cloud).

Frontend Technologies: Hands-on experience with modern UI frameworks like Angular, using TypeScript/JavaScript to build intuitive user interfaces.

Databases: Strong, hands-on experience with both relational (Oracle, SQL) and NoSQL (MongoDB) databases.

DevOps & CI/CD: Proficiency with modern CI/CD pipelines (e.g., Harness, Jenkins), containerization with Docker, and container orchestration platforms, specifically OpenShift and Kubernetes.

AI-First Expertise

Practical Application: Demonstrable, hands-on experience using and integrating AI development tools (e.g., Devin, GitHub Copilot, Claude, Codex) into the software development lifecycle for tasks like code generation, debugging, and documentation.

Strategic Mindset: Strong understanding of the concepts underpinning modern AI tools (LLMs, prompt engineering, Retrieval-Augmented Generation – RAG, MCP, A2A) and a clear vision for how to leverage them to transform engineering productivity and quality.

What Success Looks Like

AI-powered tools and best practices are deeply and effectively embedded into the team's daily engineering workflow.

A measurable increase in developer velocity, code quality, and time to market your team's projects.

You are the go-to expert for AI-augmented development, actively mentoring and elevating the team's capabilities.

The successful delivery of complex, full-stack financial applications built with a quality-first, AI-augmented approach.

Why Join Us?

Shape the Future: Redefine how software is built at a global financial institution, setting the standard for AI-augmented engineering.

High-Impact Role: Enjoy significant autonomy and visibility as you lead a critical technical transformation from the front line.

Culture of Excellence: Join a team that values and invests in technical craftsmanship, continuous innovation, and modern engineering principles.

The Best of Both Worlds: Work at the exciting intersection of cutting-edge AI, modern software engineering, and the complex, high-stakes world of finance.

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Primary Location Full Time Salary Range:

$120,800.00 - $170,800.00

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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.

This job opening is for an existing job vacancy.

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.

Apply Now

Refine Your Search

lead java full stack developer jobs in toronto, on

AI-First Full Stack Engineer - Vice President

Apps Dev Tech Lead Analyst - Vice President

Ontario Public Sector – IT Contract Opportunities

Applications Development Sr Programmer Analyst Assistant Vice President

Senior Lead Software Engineer – Regulatory Reporting & Big Data

Staff Android OS Engineer - Infotainment

Senior Software Engineer | Remote | AI SaaS Software Role

Staff Software Engineer - Capital One Travel Tech - Full-stack

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