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Added 10 days ago
S
Senior QA Automation Engineer / Lead – eCommerce Payments
Simpliigence
Canada
- Contract
Perform backend validation using SQL to verify transaction data and order processing
Added 10 days ago
J
Associate Software Engineer - International
Justworks
Toronto, ON
- $109,000 to $136,000 CAD / year
- Full-time
As a Software Engineer, how results are achieved is paramount for your success and ultimately result in our success as an organization. In this role, your foundational knowledge, skills,…
Added 10 days ago
D
Engineering Team Lead - Delo
Deloitte
Toronto, ON
- Full-time
Design and build full-stack features across our React/Next.js front-end and Python/FastAPI back-end that power agentic, AI-native workflows.
Added 10 days ago
IC
Senior Application Developer
Infotek Consulting Inc.
Toronto, ON
- $60 to $74 CAD / hour
- Contract
3+ years hands-on with C#, .NET / .NET Core, Python, SQL, and Blazor or a similar web framework
Added 10 days ago
YD
Senior Software Engineer
Yeji Data Lab
Montreal, QC
- Full-time
We are currently searching for a Senior Software Engineer to collaborate with our exceptional, growing team of business and AI specialists at Yeji Data Lab. The ideal candidate should…
Added 10 days ago
D-
Data Engineer
DELAN - IT Talent Solutions
Montreal, QC
- Full-time
Work in an environment based on SQL, Python, Snowflake, Linux and AWS
Added 10 days ago
CI
Data Engineer with AWS and GCP -- MAZDC5983751
Compunnel Inc.
Montreal, QC
- Contract
We are looking for an experienced Data Engineer to design, develop, and maintain scalable data solutions using cloud technologies. The ideal candidate should have strong hands-on experience…
Added 10 days ago
J
Associate Software Engineer - International
Justworks
Toronto, ON
- $109,000 to $136,000 CAD / year
As a Software Engineer, how results are achieved is paramount for your success and ultimately result in our success as an organization. In this role, your foundational knowledge, skills,…
Added 10 days ago
KG
Senior Data AI Engineer – GenAI & Agentic AI
K&K Global Talent Solutions INC.
ON · Ontario, Canada
- Full-time
Design, develop, and deploy enterprise-grade AI and data applications using Python, PySpark, SQL, Claude AI, APIs, and modern cloud platforms.
Added 10 days ago
TC
SQE
Tata Consultancy Services
Toronto, ON
- $100,000 to $120,000 CAD / year
- Full-time
We are seeking a detail-oriented and proactive QA Engineer with expertise in Web, Mobile, API, and Test Automation to ensure the delivery of high-quality software products. The ideal…
Added 10 days ago
A
Senior Data Engineer
Autodesk
Toronto, ON · AMER - Canada - Ontario - Toronto - University Ave
- Full-time
Our technology stack includes: Python, SQL, Apache Spark, PySpark, Spark SQL, Apache Airflow, Hive, Presto/Trino, Snowflake, AWS (S3, EMR, Glue), Git, Jenkins, Power BI, Looker, and…
Added 10 days ago
R
Data Engineer (12 Month Contract)
REW
Vancouver, BC
- Contract
We’re seeking a highly-skilled Data Engineer with expertise in ETL, relational databases, and cloud infrastructure.
Added 10 days ago
RA
Senior Software Engineer – Python & AWS (100% Remote)
Recrute Action
ON · North York, Toronto, Kitchener, Ontario
- Contract
Senior Software Engineer – Python & AWS (Remote)
Added 10 days ago
A
Cloud Software Engineer
Actalent
Ottawa, ON
- $46 to $65 CAD / hour
- Contract
Experience with SQL and relational databases.
Added 10 days ago
A
Cloud Software Engineer
Actalent
Ottawa, ON · Kanata, ON
- $46 to $65 CAD / hour
- Contract
Experience with SQL and relational databases.
Added 10 days ago
AC
N/A
Adastra Corporation
Markham, ON
- Full-time
Support Amazon EC2, including Windows and SQL Server workloads, Amazon S3, Amazon EBS, AWS Systems Manager, AWS Lambda, Step Functions, EventBridge, CloudWatch, CloudTrail, and Security Hub
Added 10 days ago
TC
Big Data Developer
TechNeptune Consulting Inc.
Mississauga, ON
- Full-time
We are looking for an experienced Big Data Engineer with strong expertise in PySpark and Python to design, develop, and optimize scalable data processing solutions. The ideal candidate will…
Added 10 days ago
C
Big Data Developer
Cognizant
Toronto, ON
- $53,000 to $108,000 CAD / year
- Full-time
As a Big Data Engineer, you will make an impact by designing, developing, and optimizing scalable data platforms, ETL processes, and data pipelines that enable business-critical analytics…
Added 10 days ago
ML Software Engineer, Routing
Lyft
Toronto, ON
Our technology stack runs on AWS, Kubernetes, Go, Python/C++, Apache Airflow, Flink, and Kafka. We use AI to improve development productivity, optimize customer support workflows, and…
Added 10 days ago
CL
Data Scientist
Charger Logistics Inc.
Brampton, ON
- Full-time
Design scalable analytical data models in BigQuery, AlloyDB PostgreSQL, and Snowflake; optimize SQL-based feature engineering, data partitioning, and clustering.
Added 10 days ago
D
Senior Data Engineer
DNV
Toronto, ON
- Full-time
Working within the Data & AI Engineering section, this role contributes hands-on engineering expertise across Python, SQL, FastAPI, data modeling, API development, and cloud-native platform…
Added 10 days ago
Senior Data Engineer
Clutch Technologies Inc.
Toronto, ON
Our data team builds with technologies like Snowflake, dbt, Airflow, Python, and AWS, alongside an application stack of TypeScript, PostgreSQL, and Express. We're far more interested in…
Added 10 days ago
R
Data Engineer (12 Month Contract)
REW.ca
Vancouver, BC
- Contract
We’re seeking a highly-skilled Data Engineer with expertise in ETL, relational databases, and cloud infrastructure.
Added 10 days ago
H
Full Stack Engineer
Hays
Toronto, ON
- Contract
Develop and deploy applications within AWS environments.
Added 10 days ago
E
Sr. Data Scientist
Eneon-ES
Toronto, ON · Greater Toronto and Hamilton Area, ON
- Full-time
Eneon is a leading Battery Energy Storage System (BESS) company and one of the fastest growing in the renewable energy and energy management industries. We are a tight-knit team of seasoned…

Deloitte

Engineering Team Lead - Delo

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 14, 2026
Experience: 10+ years of software engineering experience, with strong front-end work in React/Next.js and back-end experience in Python/FastAPI or another modern web framework.
Posting language: English
Posted: Oct 15, 2026

Original job description

Job Type: PermanentWork Model: HybridReference code: 135426Primary Location: Toronto, ONAll Available Locations: Toronto, ON; Brossard, QC; Burlington, ON; Calgary, AB; Edmonton, AB; Fredericton, NB; Halifax, NS; Kitchener, ON; Laval, QC; Moncton, NB; Montreal, QC; Ottawa, ON; Quebec City, QC; Regina, SK; Saint John, NB; Saskatoon, SK; St. John's, NL; Vancouver, BC; Victoria, BC; Winnipeg, MB

Our Purpose

At Deloitte, our Purpose is to make an impact that matters. We exist to inspire and help our people, organizations, communities, and countries to thrive by building a better future. Our work underpins a prosperous society where people can find meaning and opportunity. It builds consumer and business confidence, empowers organizations to find imaginative ways of deploying capital, enables fair, trusted, and functioning social and economic institutions, and allows our friends, families, and communities to enjoy the quality of life that comes with a sustainable future. And as the largest 100% Canadian-owned and operated professional services firm in our country, we are proud to work alongside our clients to make a positive impact for all Canadians.

By living our Purpose, we will make an impact that matters.

Have many careers in one Firm.
Enjoy flexible, proactive, and practical benefits that foster a culture of well-being and connectedness.
Learn from deep subject matter experts through mentoring and on the job coaching

What will your typical day look like?

Design and build full-stack features across our React/Next.js front-end and Python/FastAPI back-end that power agentic, AI-native workflows.
Architect agentic systems: multi-agent orchestration, tool-calling, RAG, structured outputs, guardrails, evals and human-in-the-loop checkpoints.
Drive innovation by experimenting with new models, techniques, and technologies, and stay current with advancements in AI.
Design and maintain APIs, data models, and integrations across SQL and NoSQL data stores.
Collaborate cross-functionally with designers, product managers, and other engineers to deliver complete software solutions.
Optimize application performance through caching, load balancing, and scalable architecture design.
Write unit and integration tests to ensure code quality and reliability; participate in debugging and troubleshooting.
Manage continuous integration and deployment pipelines (CI/CD) for automated testing and smooth releases.
Document APIs, system architecture, and codebase for future maintenance and scalability.

About The Team

Delo is building the next generation of enterprise AI: digital teammates that automate the work humans shouldn’t do, starting with Finance and expanding across the back office. Born inside Deloitte and now backed by the firm, Delo is creating Deloitte 2.0: a fully digital, AI-native version of the firm. Our platform orchestrates agentic AI, structured SOPs, and automated workflows across ERPs, CRMs, tax engines, and financial systems. Think: a reusable, multi-agent operating system for enterprise work. We’re early, truly 0→1, and building a scalable engineering foundation that will power dozens of agents, thousands of teams, and millions of automated tasks. If you want to build foundational infrastructure that will power AI-driven work for thousands of organizations, this is the moment to join.

Enough About Us, Let’s Talk About You

You are someone who has these skills, experience & qualifications:

10+ years of software engineering experience, with strong front-end work in React/Next.js and back-end experience in Python/FastAPI or another modern web framework.
Track record of designing and operating production systems at scale and setting the technical bar for others.
Experience with event-driven architectures for orchestrating long-running agent runs and decoupling services.
Strong with relational data modeling (PostgreSQL) and NoSQL (MongoDB, Elasticsearch).
Experienced designing APIs and integrating front-end and back-end components cleanly and securely; solid on secure coding, auth, reusability and performance.
Shipped LLM-powered features in production and understand the realities of non-determinism: prompting, evals, retries, fallbacks, and guardrails.
Fluent with AI coding assistants (Cursor, Claude Code, Codex) as a daily driver.
A clear communicator and detail-oriented engineer committed to clean, maintainable, testable code.

It would be great for you to have some of these nice to haves as well:

Experience building agentic systems and hands-on RAG with vector DBs (pgvector, elasticsearch, milvus).
Built an LLM eval pipeline and familiarity with tool use, function calling, MCP, and structured outputs.
Cloud platforms (AWS, Azure, GCP), containers (Docker, Kubernetes), and DevOps/Infrastructure as Code principles.
Exposure to data governance, AI ethics, and compliance frameworks (SOC 2, GDPR, HIPAA)
Prior startup or SaaS experience, especially in fintech, accounting, or ERP/CRM domains.

Total Rewards

The salary range for this position is $84,000 - $175,000, and individuals may be eligible to participate in our bonus program. Deloitte is fair and competitive when it comes to the salaries of our people. We regularly benchmark across a variety of positions, industries, sectors, targets, and levels. Our approach is grounded on recognizing people's unique strengths and contributions and rewarding the value that they deliver.

Our Total Rewards Package extends well beyond traditional compensation and benefit programs and is designed to recognize employee contributions, encourage personal wellness, and support firm growth. Along with a competitive base salary and variable pay opportunities, we offer a wide array of initiatives that differentiate us as a people-first organization. On top of our regular paid vacation days, some examples include: $4,000 per year for mental health support benefits, a $1,300 flexible benefit spending account, firm-wide closures known as "Deloitte Days", dedicated days of for learning (known as Development and Innovation Days), flexible work arrangements and a hybrid work structure.

Our promise to our people: Deloitte is where potential comes to life.

Be yourself, and more.

We are a group of talented people who want to learn, gain experience, and develop skills. Wherever you are in your career, we want you to advance.

You Shape How We Make Impact.

Diverse perspectives and life experiences make us better. Whoever you are and wherever you’re from, we want you to feel like you belong here. We provide flexible working options to support you and how you can contribute.

Be the leader you want to be

Some guide teams, some change culture, some build essential expertise. We offer opportunities and experiences that support your continuing growth as a leader.

Have as many careers as you want.

We are uniquely able to offer you new challenges and roles – and prepare you for them. We bring together people with unique experiences and talents, and we are the place to develop a lasting network of friends, peers, and mentors.

The next step is yours

At Deloitte, we are all about doing business inclusively – that starts with having diverse colleagues of all abilities. Deloitte encourages applications from all qualified candidates who represent the full diversity of communities across Canada. This includes, but is not limited to, people with disabilities, candidates from Indigenous communities, and candidates from the Black community in support of living our values, creating a culture of Diversity Equity and Inclusion and our commitment to our AccessAbility Action Plan, Reconciliation Action Plan and the BlackNorth Initiative.

We encourage you to connect with us at accessiblecareers@deloitte.ca if you require an accommodation for the recruitment process (including alternate formats of materials, accessible meeting rooms or other accommodations) or indigenouscareers@deloitte.ca for any questions relating to careers for Indigenous peoples at Deloitte (First Nations, Inuit, Métis).

When you apply, we will review your application using Deloitte's Global Talent Standards to ensure a consistent recruitment experience. Our recruitment advisors and hiring teams will utilize human screening combined with AI technology to help identify the skills and qualities that matter most to our business, while safeguarding your privacy and using AI responsibly.

Deloitte Canada has 20 offices with representation across most of the country. We acknowledge that Deloitte offices stand on traditional, treaty, and unceded territories in what is now known as Canada. We recognize that Indigenous Peoples have been the caretakers of this land since time immemorial, nurturing its resources and preserving its natural beauty. We acknowledge this land is still home to many First Nations, Inuit, and Métis Peoples, who continue to maintain their deep connection to the land and its sacred teachings. We humbly acknowledge that we are all Treaty people, and we commit to fostering a relationship of respect, collaboration, and stewardship with Indigenous communities in our shared goal of reconciliation and environmental sustainability.

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More about this job

Responsibilities

Lead the design and development of full-stack features and scalable agentic AI systems, including APIs, data models, integrations, and automated workflows. Collaborate across product and design teams, improve performance and reliability through testing and deployment practices, and document systems for ongoing maintenance and growth.

Requirements

Requires 10+ years of software engineering experience, strong React/Next.js and Python/FastAPI or comparable web-framework experience, and a record of designing and operating production systems at scale. Candidates should have experience with event-driven architectures, relational and NoSQL databases, secure API integration, and production LLM features; agentic systems, cloud platforms, and DevOps experience are advantageous.

Skills

React
Next.js
Python
FastAPI
Agentic AI Systems
Multi-Agent Orchestration
Retrieval-Augmented Generation
PostgreSQL
MongoDB
Elasticsearch
Event-Driven Architecture
API Design
LLM Evaluation
CI/CD
Docker
Kubernetes

Benefits

Bonus Program
Paid Vacation
Mental Health Support Benefits
Flexible Benefit Spending Account
Firm-Wide Days Off
Learning and Development Days
Flexible Work Arrangements

Visa sponsorship

Not detected in the job text

Keywords

React
Next.js
Python
FastAPI
Agentic AI
Multi-Agent Orchestration
Tool Calling
Retrieval-Augmented Generation
Structured Outputs
Guardrails
LLM Evaluation
Human-in-the-Loop
PostgreSQL
MongoDB
Elasticsearch
Event-Driven Architecture
API Design
Vector Databases
pgvector
Milvus
MCP
AWS
Azure
Google Cloud Platform
Docker
Kubernetes
CI/CD
Infrastructure as Code
SOC 2
GDPR

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