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Added 5 mins ago
I
Forward Deployed Engineer
Ikuto
Toronto, ON
- $180,000 to $260,000 CAD / year
- Full-time
Forward Deployed Engineer (Full-Stack & Agentic AI)
Added 2 hours ago
WT
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Senior Software Engineer
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Mississauga, ON
- Full-time
We are seeking a Senior Software Developer who combines strong full-stack development expertise with modern engineering practices focused on quality, automation, scalability, and continuous…
Added 4 hours ago
TH
Software Engineer - Mobile App (Expo/React Native)
TopHat HR
Toronto, ON · Greater Toronto Area, Canada
- $95,000 to $105,000 CAD / year
- Full-time
Full-stack development. Design, develop, and ship a cross-platform mobile application using Expo and React Native, backed by Node.js and PostgreSQL.
Added 5 hours ago
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Full Stack Engineer(React and GO)
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- Full-time
Miratech is looking for a skilled Full Stack Engineer with React and Golang experience to join our US healthcare client.
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…is enabling its clients to transform themselves across the full AI stack, from infrastructure to…
Added 6 hours ago
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Toronto, ON
The Software Engineer is responsible for designing, building, testing, and deploying features across the full software development lifecycle, on the front end (React Native, ReactJS), the…
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Data Governance Architect
Infostrux
Toronto, ON
- Full-time
…analytics, AI, and machine learning. Our work spans the modern data stack - covering data engineering, architecture, integration, and modelling - with Snowflake as one of our core…
Added 21 hours ago
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Tech Lead - Fullstack
Xsolla
Canada
- Full-time
We are looking for a Senior Software Engineer (Full-Stack) who is architecturally strong, quality-driven, and highly collaborative to join our Engineering team. The best candidate will be…
Added 23 hours ago
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DevSecOps Engineer
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Toronto, ON
- $90,000 to $110,000 CAD / year
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…is enabling its clients to transform themselves across the full AI stack, from infrastructure to…
Added 1 day ago
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Product focused Software Engineer
Total Life, Inc.
Remote, Canada
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Added 1 day ago
S
Platform Software Engineer - Fintech
SweetTech
Montreal, QC
- Full-time
…applications and reusable products. We are looking for a hands-on Platform Software Engineer to make those capabilities reliable, secure, and straightforward for engineers and AI agents to…
Added 1 day ago
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Product focused Software Engineer
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Vancouver, BC
- Full-time
…who thinks in funnels and builds with agents. You'll own the full client lifecycle, from the first touchpoint through booking, care, billing and re-engagement. You'll also build growth…
Added 1 day ago
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CTO (Chief Technology Officer)
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Remote, Canada
- Full-time
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Added 1 day ago
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Principal Software Engineer
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- Full-time
As a Principal Software Engineer on Conga’s B2B Platform Engineering, Core Services team, you’ll own the security, identity, and access management capabilities that every Conga B2B product…
Added 1 day ago
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Physical AI Engineer
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Waterloo, ON
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Physical AI Engineer
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Waterloo, ON
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Added 2 days ago
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Software Engineer, Fullstack
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Staff Software Engineer - Capital One Travel Tech - Full-stack
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161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Staff Software Engineer - Capital One Travel Tech - Full-stack
Added 2 days ago
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Lead Java Engineer
TEKsystems
Toronto, ON
- $90 to $110 CAD / hour
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…Asie, qui collaborent avec nous dans le cadre de nos capacités full-stack et notre rythme. Nous sommes des penseurs stratégiques, des collaborateurs pratiques qui aident les clients à…
Added 2 days ago
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Software Engineer II - Full Stack
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Added 2 days ago
Senior Software Engineer, AI
Asana
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Added 2 days ago
RB
Lead Full Stack Developer
Royal Bank of Canada
Toronto, ON
- Full-time
A Lead Full Stack Developer is responsible for designing, developing and maintaining legacy and "Cloud First" applications written primarily in C# and focused on .Net Core and cloud…
Added 2 days ago
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Software Engineer II, Supplier Advertising
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Toronto, ON
- $151,411 to $169,169 CAD / year
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SweetTech

Platform Software Engineer - Fintech

Montreal, QC, Canada

Full-time

Apply About employer

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Job details

Job type: Full-time
Posting language: English
Posted: Oct 24, 2026

Original job description

Build the platform behind modern financial software

SweetTech builds financial technology on SweetOS: shared capabilities that power tailored customer applications and reusable products. We are looking for a hands-on Platform Software Engineer to make those capabilities reliable, secure, and straightforward for engineers and AI agents to use.

How we build applications

You will work through SweetTech’s autonomous agentic development systems. These systems carry out implementation; your primary responsibility is to define intent, understand the application architecture, direct the agents, and validate the result rather than write application code directly.

SweetOS provides reusable building blocks for assembling applications repeatedly. A capability developed for one application can be made available to other applications through shared components and well-defined interfaces. You will learn how those building blocks fit together, how applications use shared capabilities, and where a change belongs so it can benefit more than one product.

This requires strong engineering judgment: break down requirements, specify behavior and constraints, understand data flows and permissions, review agent-generated changes, and verify correctness, security, and production readiness. You remain accountable for the outcome even when the systems perform the coding.

SweetTech has its own Software Development Life Cycle (SDLC) and Agentic Development Life Cycle. You will learn and follow these internal processes when defining work, directing autonomous agents, validating results, and delivering changes. Understanding our architecture and working within these development lifecycles are core responsibilities of the role.

Your role

You will own software foundations that multiple products and customer deployments depend on. This combines API and systems design, orchestration of autonomous implementation, developer experience, and operating software in production. You will work with customer-facing engineers and product engineers to turn recurring delivery problems into well-supported platform capabilities.

What you will own

Define the architecture and direct agents to build shared identity, tenant isolation, authorization, and permission-aware access to services and data.
Specify and oversee agent delivery of versioned APIs, integrations, workflow primitives, and Model Context Protocol (MCP) tools with clear contracts, validation, and useful documentation.
Create repeatable paths from development to production: automated checks, environment configuration, deployment, migrations, rollback, and operational runbooks.
Improve observability through meaningful logs, metrics, traces, alerts, and diagnostics; investigate incidents and remove their underlying causes.
Evolve the autonomous development systems and their conventions, including bounded permissions, reproducible tasks, code review, and verification of generated changes.
Partner with engineers building customer applications and reusable products to identify common needs and make adoption practical.
Own performance, reliability, and operating cost trade-offs; reduce duplicated work without forcing every product into the same implementation.

What you bring

Experience shipping and maintaining production software, with strong backend and API design skills and the ability to work across the stack.
Sound understanding of data modeling, distributed-system failure modes, authentication, authorization, testing, and secure software design.
Practical experience with cloud deployment, CI/CD, monitoring, and troubleshooting real production issues.
Ability to translate ambiguous requirements into small, maintainable capabilities and explain architectural trade-offs clearly.
Ability to direct autonomous development systems: understand application architecture, specify agent tasks and boundaries, inspect generated changes, test business behavior, and take responsibility for the result.

Helpful experience

Multi-tenant SaaS, financial systems, event-driven workflows, developer platforms, SDKs, MCP integrations, or improving the reliability of a growing product ecosystem.

What success looks like

Teams can adopt your capabilities with clear documentation and less custom work. Releases become safer and easier to diagnose. Shared services have tested boundaries and useful operational signals. Improvements show up in delivery time, reuse, reliability, and cost.

Equity participation

Proposed total stock option grant: 20,000–28,000 options, vesting over four years with a one-year cliff. This is a total grant, not an annual award or an ownership percentage. The final grant is subject to board approval, confirmation of the applicable share basis, and the company’s equity plan and grant terms.

On-the-job training

Our on-the-job training program covers SweetTech’s internal processes, Software Development Life Cycle (SDLC), Agentic Development Life Cycle, agentic technology stack, and SweetOS operations. You will learn how to work with our autonomous development systems, navigate the application architecture, compose and reuse building blocks, and follow our workflows for validating and delivering changes.

Training includes guided work on real tasks, feedback from experienced team members, and practical learning in operating and troubleshooting SweetOS applications. Responsibilities will grow with your demonstrated understanding and readiness. Prior knowledge of SweetTech’s internal systems is not required.

Working at SweetTech

Full-time, on-site in Montréal. You must be authorized to work in Canada; visa sponsorship is not available. We value hands-on problem solving, learning, clear communication, and ownership from implementation through production.

Apply

Share your résumé and examples of systems you have built or improved. Explain your contribution, a difficult technical decision, and how you verified the outcome. Public code is welcome, but a clear description of confidential work is equally useful.

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More about this job

Responsibilities

You will own software foundations by designing APIs and systems while directing autonomous agents to build shared capabilities like identity and authorization. You are responsible for ensuring production reliability, observability, and security while managing the lifecycle of shared platform components.

Requirements

Candidates must have experience shipping and maintaining production software with strong backend and API design skills. You must be able to translate ambiguous requirements into maintainable capabilities and effectively direct autonomous development systems.

Skills

Backend Development
API Design
Systems Architecture
Cloud Deployment
CI/CD
Data Modeling
Distributed Systems
Authentication
Authorization
Software Security
Observability
Incident Investigation
Technical Documentation
Agentic Development
Performance Optimization

Benefits

Stock Options

Visa sponsorship

Not detected in the job text

Keywords

Platform Software Engineer
Fintech
SweetOS
Autonomous Agents
API Design
Systems Design
SaaS
Multi-tenant
Cloud Deployment
CI/CD
Observability
Identity Management
Authorization
Distributed Systems
Model Context Protocol
MCP
SDLC
Backend
Production Readiness
Incident Management
Data Modeling
Workflow Primitives
Security
Performance Optimization

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