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Added 3 months ago
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Corporate Tax, Manager
PwC
Vancouver, BC
- Full-time
At PwC, our people in tax services focus on providing advice and guidance to clients on tax planning, compliance, and strategy. These individuals help businesses navigate complex tax…
Added 3 months ago
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Financial Instruments Valuation and Market Risk Manager
PwC
Toronto, ON
- Full-time
This role also offers valuable exposure to a diverse range of client industries, including mining, financial services, energy, and manufacturing, allowing you to broaden your expertise and…
Added 3 months ago
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Risk Modelling Services, Actuarial, Life Senior Associate (Bilingual FR/EN)
PwC
Montreal, QC
- Full-time
A career in our Risk Modelling Services (RMS) team as a Life Actuary, will provide you with the opportunity to contribute risk modeling and insurance advice and consulting services to…
Added 2 months ago
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CCaaS Engineer
Accenture
Toronto, ON · Vancouver, BC · Calgary, AB
- Full-time
…and campaign, content and channel orchestration. With strong client relationships and deep industry expertise, we help our clients operate at the speed of life through the unlimited…
Added 3 months ago
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Service Desk Analyst
BGIS
Markham, ON
- Full-time
…as required to ensure prompt and efficient resolution of the client’s issues, balancing between minimizing the impact on our client’s productivity and the financial impact on the entire…
Added 2 months ago
Insurance Sales Associate, Scotia Wealth Management - Vancouver (Mandarin)
Scotiabank
BC · Vancouver, BC
…business documentation, including pre-filling documents prior to client meetings; completing insurance applications with clients, where needed; liaising with SWIS case coordinators,…
Added 4 months ago
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Senior Platform Engineer, AI
RAVL
Toronto, Ontario
- Full-time
RAVL is a boutique technology advisory and engineering firm focused on the financial services industry. Everything we do is centered on helping our clients realize measurable ROI from their…
Added 3 months ago
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Transfer Pricing - Financial Transactions, Director
PwC
Toronto, ON
- Full-time
Contribute to business development by identifying client needs, supporting proposals and helping market financial transactions transfer pricing services to existing and prospective clients
Added 2 months ago
AI Knowledge & Governance Lead
Zafin
Toronto, ON
Headquartered in Toronto, Canada, Zafin partners with leading financial institutions across North America, Europe, the Middle East, Africa, and Asia-Pacific. As AI transforms the future of…
Added 3 months ago
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Finance Transformation, Enterprise Performance Management, Senior Associate
PwC
Toronto, ON · Ottawa, ON · Calgary, AB
- Full-time
At PwC, our people in finance consulting specialise in providing consulting services related to financial management and strategy. These individuals analyse client needs, develop financial…
Added 1 month ago
BG
Customer Service & Collections Agent
Bill Gosling Outsourcing
Barrie, ON
- Full-time
…around the globe, specializing in customer care, sales, and financial services. We’re looking for enthusiastic, driven individuals to join our dynamic work environment where fun meets…
Added 1 month ago
BG
Call Center Agent, Sales (WS)
Bill Gosling Outsourcing
London, ON
- Full-time
…around the globe, specializing in customer care, sales, and financial services. We’re looking for enthusiastic, driven individuals to join our dynamic work environment where fun meets…
Added 1 month ago
AC
ALLSTATE SALES AGENT
Allstate Canada
St. Albert, AB
- Full-time
As an Allstate Sales Agent, you’ll grow your own book of business, build strong relationships in your community, and help people protect what matters most. This is a hybrid role, where…
Added 1 month ago
AC
Allstate Sales Agent
Allstate Canada
Moncton, NB
- Full-time
As an Allstate Sales Agent, you’ll grow your own book of business, build strong relationships in your community, and help people protect what matters most. This is a hybrid role, where…
Added 5 months ago
S&
Lead Full Stack Developer
Saatchi & Saatchi Canada
Canada
- Full-time
…platform - React frontend, Spring Boot backend, FastAPI agentic services, agent SDKs on top of LLM providers. You are equally comfortable reviewing a database migration, debugging a prod…
Added 3 months ago
P
Private Wealth Tax, Senior Associate (Bilingual FR/EN)
PwC
Quebec, QC
- Full-time
…to providing private companies with a wide range of advisory services to help them improve operational efficiency and spend more time on business strategy. You’ll have the opportunity to…
Added 1 month ago
P
Capital Markets and Accounting Advisory Services, Senior Associate (Bilingual FR/EN)
PwC
Montreal, QC
- Full-time
A career within CMAAS will provide you with the opportunity to be responsible for complex financial reporting issues around transactions and other transformational events. You’ll tackle…
Added 3 months ago
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AI Solutions Developer (Full-time, 1 year contract with possibility for extension)
BrandActive
Toronto, ON
- Full-time
- Contract
BrandActive specializes in the financial analysis, strategy, and logistics of rebrand implementation. Since 1998, we’ve helped many of the world’s most valuable brands plan, budget, and…
Added 1 month ago
C
Contact Centre Representative (Mutual Funds, Remote)
CIBC
Toronto, ON
- Full-time
…Funds Representative. You will focus on providing an excellent client experience, by recognizing opportunities to promote CIBC investment products and services that help clients achieve…
Added 1 month ago
IF
Senior Consultant, Advanced Underwriting
iA Financial Group
Calgary, AB · Edmonton, AB · Vancouver, BC · Winnipeg, MB · St. John's, NL · Toronto, ON · Montreal, QC · Quebec, QC
- Full-time
PPI (an independent subsidiary of iA Financial) is an Insurance Marketing Organization that sits between independent advisors and insurance companies. From coast-to-coast, we provide…
Added 2 months ago
SC
Registry Agent- Jasper Park
Servus Credit Union
AB
- Full-time
The Registry Agent is accountable for assessing member and client needs and manipulating databases in order to process over 160 products in the areas of motor vehicles, vital statistics,…
Added 3 months ago
TS
Cable Sales Agent
The Sydney Call Centre
Sydney Indian Reserve No. 28A, NS · Sydney, NS
- Other
MCI is one of the fastest-growing tech-enabled business services companies in the USA, with a strong call center footprint and operations that extend across multiple countries. We deliver…
Added 3 months ago
D
Advisory Agent, Member and Client Experience, Gaspésie-Îles-de-la-Madeleine
Desjardins
Quebec, QC
- Part-time
As a member and client experience advisory, you improve the experience of members and customers by advising them on their banking transactions and promoting Desjardins products and…
Added 3 months ago
TS
Call Centre Agent
The Sydney Call Centre
Sydney Indian Reserve No. 28A, NS · Sydney, NS
- Other
MCI is one of the fastest-growing tech-enabled business services companies in the USA, with a strong call center footprint and operations that extend across multiple countries. We deliver…
Added 3 months ago
TS
Customer Service Agent
The Sydney Call Centre
Sydney Indian Reserve No. 28A, NS · Sydney, NS
- Other
MCI is one of the fastest-growing tech-enabled business services companies in the USA, with a strong call center footprint and operations that extend across multiple countries. We deliver…

Lead Full Stack Developer

Canada

Compensation: The salary range for this position is $130,000–$150,000 per year, based on experience, skills, and relevant certifications. · Full-time

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Job details

Pay: Compensation: The salary range for this position is $130,000–$150,000 per year, based on experience, skills, and relevant certifications.
Job type: Full-time
Posting language: English
Posted: Jun 5, 2026

Original job description

Saatchi & Saatchi is an advertising agency with the belief that creativity, data, media and technology should all work together, and we use that to influence human behavior and drive success for clients. S&S is one of the world's largest agency networks with 114 offices and more than 6000 employees globally.

Here in our Toronto office we work with some of the countries most valued brands including Toyota, Buckley's, and Children's Advil, as well as several under the Mondelez banner (Crispers, Oreo, and Chips Ahoy just to name a few). We’re an award winning agency in both creativity and effectiveness, so it’s really important for us here to convert that innovation and the great ideas into real tangible business results for the organization.

Overview

Saatchi & Saatchi is seeking a Lead Full Stack Developer for an innovative AI platform initiative.

You have 8+ years building production software systems and at least a few years leading or anchoring a team technically. You are a hands-on builder and you hold the architectural picture of a multi-tier platform - React frontend, Spring Boot backend, FastAPI agentic services, agent SDKs on top of LLM providers. You are equally comfortable reviewing a database migration, debugging a prod incident, mentoring a senior engineer, or sitting in a client architecture conversation. You thrive at the intersection of architecture, engineering, and program reality.

Responsibilities

Own the technical direction across the platform's tiers - frontend, backend, agentic/AI services, data, and integrations - and hold the shared mental model of how the system actually fits together.
Pair closely with the Senior Technical PM and Program Director to translate product intent into a credible technical plan, and to surface what is genuinely hard vs. what is just unfamiliar.
Lead architecture and design reviews, write the deciding ADR when needed, and keep a small set of vendor-neutral patterns the team can lean on instead of a sprawl of frameworks.
Stay hands-on in the code - pick up meaningful slices of work, especially across tier boundaries (e.g. backend ↔ agentic, frontend ↔ auth/RBAC, infra-aware app changes).
Be a first-class code reviewer across the stack: you set the bar for clarity, testability, security, and operability, and you raise the team's bar by reviewing thoughtfully.
Mentor mid-level and senior engineers; coach them through technical decisions, on-call experiences, and difficult code reviews.
Partner with the Platform Engineer on production reliability - capacity, scaling, observability, and incident response - and own application-side reliability concerns.
Drive integration architecture with internal and external systems using API-first and event-driven patterns; ensure identity, authorization, data protection, and auditability are built in, not bolted on.
Champion the LLM/agent layer - agent orchestration, tool/plugin design, prompt and evaluation loops, provider abstraction (e.g. Vertex AI, Claude on Vertex, OpenAI) - and keep us out of vendor lock-in we cannot pay for.
Build redundancy on yourself - pair, document, rotate ownership, and ensure no critical system has exactly one person who understands it.

Qualifications

8+ years in software engineering, with meaningful time as a hands-on lead, staff engineer, or solutions architect on production systems.
Proven experience designing and delivering complex, multi-service platforms - not just one service or one tier.
Strong backend depth in at least one modern stack (Java/Spring Boot, Python/FastAPI, Node, Go, .NET); able to ramp on the others.
Solid frontend literacy - comfortable reading and reviewing modern React/TypeScript code and reasoning about state management, auth, and performance.
Strong cloud architecture background, preferably GCP (we run primarily on GKE); willing to deepen wherever the platform takes us.
Deep understanding of API design, integration patterns, distributed systems, and the failure modes that come with them.
Experience with containerization, Kubernetes, and modern CI/CD; you do not need to be a DevOps specialist, but you must operate well in that world.
Real production experience with AI / LLM systems - agents, RAG, evaluation, tool integration - or a strong, demonstrable plan for getting there.
Comfortable working within Agile delivery models (Scrum, Kanban, or whatever variant actually ships).
Excellent communication: you can explain a complex architecture to a non-technical executive and disagree with a senior engineer respectfully and with evidence.

Required Soft Skills

Hands-on bias - you reach for the code, the logs, and the diagram before you reach for the meeting invite.
Calm, decisive judgment when there is no obviously right answer.
Strong written communication - you can write a one-page architecture rationale that future-you will still understand.
Generous mentorship instinct - you make the people around you better, on purpose.
Comfortable with ambiguity and willing to make reversible decisions quickly while flagging the irreversible ones for broader input.
Pragmatic about technology choices - you optimize for the team's ability to operate the system, not for personal stack preferences.
Honest about what you do and do not know; willing to say 'I'll find out' and then actually find out.

Nice to Have

Prior experience working inside Publicis Groupe or another large holding-company agency network.
Production experience with Google ADK, LangGraph, LlamaIndex, or comparable agent frameworks.
Experience with event-driven architectures, domain-driven design, and contract-first integration patterns.
Background in regulated or privacy-sensitive environments (identity, healthcare, financial, marketing-compliance).
Experience supporting multiple products or clients on a shared platform (multi-tenant, multi-brand, white-label).
Comfort with Terraform, Kustomize, or other IaC tooling at a 'can read and improve' level.
Track record contributing to internal developer experience - patterns, scaffolds, golden paths.

Additional Information

Location & Eligibility: Candidates must be based in Canada, with valid Canadian work authorization of at least 12 months.

Hybrid Work: This role is remote. If you are GTA-based, the team meets once a month at our Toronto office (111 Queen St. E, Suite 200, Toronto, ON M5C 1S2).

Time Off:

Up to 3 weeks vacation, with additional paid closure between Christmas and New Year's

Extended long weekends for provincial holidays - we give you both the Monday and Friday so you get a full 4-day break

10 personal days per year

Flexibility & Global Mobility: After completing one year, work remotely for up to 6 weeks per year from any of our 50+ global offices through our Work Your World program.

Benefits: Comprehensive group coverage including:

Medical, dental, and vision care

Psychological and paramedical services

Disability insurance

Fertility support and gender-affirming care

Dedicated internal guidance programs for employees navigating cancer, fertility treatments, or gender transition

Parental Leave Top up: A 100% salary top up program once approved for Employment Insurance for the first 6 weeks of your parental Leave.

Defined Contribution Pension Plan: Employees have the option to sign up to voluntarily contribute to a DCPP where Saatchi will match the employee contributions up to 5% after completing one year.

Gym Membership: Corporate Membership rates at Good Life Fitness

Free access to a financial planner & more…

Compensation: The salary range for this position is $130,000–$150,000 per year, based on experience, skills, and relevant certifications. We believe in pay transparency and are committed to offering competitive, market-aligned compensation.

We use artificial intelligence (AI) tools to support parts of our hiring process, such as reviewing applications or analyzing resumes. These tools assist our recruitment team but never replace human decision-making. We believe in a human-first approach, where your experience and potential are recognized by people.

Saatchi & Saatchi is committed to building a diverse workforce representative of our community. We encourage and are pleased to consider all qualified candidates, without regard to race, colour, citizenship, religion, sex, marital / family status, sexual orientation, gender identity, aboriginal status, age, disability or persons who may require an accommodation, to apply. If you require a specific accommodation please contact Human Resources at 416-925-7733 or by email at inquiries@publicisna.com.

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More about this job

Responsibilities

Own the technical direction across the platform's tiers and translate product intent into a credible technical plan. Lead architecture and design reviews while mentoring mid-level and senior engineers.

Requirements

Candidates should have 8+ years in software engineering with experience in leading production systems. Strong backend and frontend skills are required, along with a solid understanding of cloud architecture and API design.

Skills

Full Stack Development
React
Spring Boot
FastAPI
Cloud Architecture
API Design
Distributed Systems
Kubernetes
CI/CD
AI Systems
Agile Methodologies
Mentorship
Technical Leadership
Database Migration
Code Review
Integration Architecture

Benefits

Medical
Dental
Vision Care
Psychological Services
Paramedical Services
Disability Insurance
Fertility Support
Gender-Affirming Care
Parental Leave Top Up
Gym Membership
Financial Planning

Visa sponsorship

Not detected in the job text

Keywords

Full Stack Developer
Software Engineering
Production Systems
React
Spring Boot
FastAPI
Cloud Architecture
GCP
Kubernetes
CI/CD
AI
LLM
Agile
API Design
Distributed Systems
Mentorship
Technical Leadership
Database Migration
Code Review
Integration Architecture
Event-Driven Architecture
Domain-Driven Design
Terraform
Kustomize
Publicis Groupe
Advertising
Creative
Data
Media
Technology

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