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Added 10 days ago
C
Senior AI Engineer
Chubb
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…services within a larger AI platform, covering the architecture, data layer, business logic, and API surface without splitting responsibility across specialisms. You will collaborate with…
Added 10 days ago
UH
Student, Co-Op/Placement (Research and Development Physicist / Biophysicist)
University Health Network
Toronto, ON
- Contract
Process, analyze, and quantify imaging data using MATLAB and/or Python
Added 10 days ago
AC
Operations Excellence and Business Process Analyst
Air Canada
Toronto, ON
- Full-time
…Flight Operations Operational Excellence group in delivering data analytics, business intelligence, process excellence, finance analytics, strategy development and continuous improvement…
Added 10 days ago
DI
Senior kdb+ Developer
Data Intellect
Toronto, ON
- Full-time
As a Senior kdb+ Developer at [DI] you’ll be at the forefront of delivering high-performance, scalable solutions for some of the world’s most data-intensive financial institutions. You’ll:
Added 10 days ago
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Lead Software Engineer
Virtusa
Halifax, NS
- Full-time
The Senior Data Engineer leads complex data engineering projects, working on designing data
Added 10 days ago
DI
Senior kdb+ Developer
Data Intellect
Toronto, ON
- Full-time
As a Senior kdb+ Developer at [DI] you’ll be at the forefront of delivering high-performance, scalable solutions for some of the world’s most data-intensive financial institutions. You’ll:
Added 10 days ago
AI
Python Developer
Apptoza Inc.
Toronto, ON
- Full-time
10+ years of experience in Data Engineering, AI Application Development, Cloud Data Platforms, and Production-grade Software Engineering.
Added 10 days ago
AI
Python /Pyspark Developer
Atlantis IT Group
Toronto, ON
- Full-time
Good years of experience in Data Engineering, AI Application Development, Cloud Data Platforms, and Production-grade Software Engineering.
Added 10 days ago
C
Engineer (Python/AWS + Azure/React) (Senior/NewGrad)
Caddie
Toronto, ON
- Full-time
The engine: containerised Python workers (FastAPI, NumPy, SciPy) that make the same decision on every machine
Added 10 days ago
Middle/Senior Forward Deployed Engineer (Python, AI)
Exadel
Canada
We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google,…
Added 10 days ago
Data Scientist, Growth (12 month contract)
EQ Bank | Canada's Challenger Bank
Toronto, ON
Design and maintain scalable data pipelines, feature engineering frameworks, and workflows for model training, scoring, monitoring, backtesting, and reporting.
Added 10 days ago
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Investment Data Governance Analyst
HOOPP (Healthcare of Ontario Pension Plan)
Toronto, ON · CA ON Toronto
- $71,000 to $109,000 CAD / year
- Full-time
Reporting to the Director, Investment Data Governance, the Investment Data Governance Analyst is responsible for a broad range of Data Governance activities supporting all groups within the…
Added 10 days ago
EB
Data Scientist, Growth (12 month contract)
EQ Bank
Toronto, ON
- Contract
Design and maintain scalable data pipelines, feature engineering frameworks, and workflows for model training, scoring, monitoring, backtesting, and reporting.
Added 10 days ago
AT
AI Engineer
Altitude Technology Solutions Inc
Toronto, ON
- Contract
Scale and performance: Optimize cost and latency via prompt engineering, context management, caching, model routing, and distillation; leverage batching, streaming, and parallel tool-calls…
Added 10 days ago
IQ
Senior Data Engineer – Python & PySpark
Infinity Quest
Montreal, QC
- Contract
PYTHON + PYSPARK ENGINEERS - YOUR NEXT BIG DATA ENGINEERING OPPORTUNITY!
Added 10 days ago
C
Consultant, Databricks Developer
CIBC
Toronto, ON
- Full-time
Automation, Collaboration, Database Modeling, Databricks Platform, Databricks Unity Catalog, Data Engineering, Data Integration, Data Pipelines, DevSecOps, Digital Transformation, ETL…
Added 10 days ago
M
Data Scientist II (6-Month Term, Potential Extension)
Metrolinx
Canada
- Full-time
Perform data engineering, including ETL, data integration, data contextualization and aggregation, to enable data science work
Added 10 days ago
CN
Area Geophysicist (Thermal)
Canadian Natural
Calgary, AB
- Full-time
…difference mapping integrated with geological, petrophysical, and engineering…
Added 10 days ago
TD
DevOps Engineer
Time Doctor
Remote, Canada
- Contract
- Remote
Remote, Latin America (minimum 4-hour overlap with US Eastern hours) | Engineering | Reports to: Technical Lead
Added 10 days ago
HI
Senior Analyst, Investment Analytics and AI Automation
Hillsdale Investment Management Inc.
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…role in designing, developing, and maintaining automation and data solutions that enhance the speed, scalability, and quality of Hillsdale’s institutional investment workflows and client…
Added 10 days ago
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Senior Application Developer/Engineer
Bevertec
Toronto, ON
- Contract
7 to 10 years of experience in software development, cloud engineering, DevOps, or data engineering.
Added 10 days ago
UC
Data Engineer
UniSysTech Consulting
Toronto, ON · Greater Toronto Area, Canada
- Contract
We are looking for a Data Engineer to design, build, and automate scalable data pipelines. In this role, you will leverage strong Python and SQL expertise to extract, transform, and load…
Added 10 days ago
I
Site Reliability Engineer
i3D.net
Montreal, QC
- Full-time
…services. You will operate at the intersection of operations and engineering, combining day-to-day operations, incident response, and continuous improvement through…
Added 10 days ago
S
Head of Data Systems (Google Stack)
Stacktics
Toronto, ON
- Full-time
Stacktics will rely on the Head of Data Systems with ownership of the Data Systems function including mentoring and support for our team of engineers, developers, marketing analysts and…
Added 10 days ago
E
Staff Backend Engineer
Emumba
Remote, Canada
- Full-time
- Remote
…and secure distributed systems. As a critical member of our engineering team, you'll use your expertise in Python to build cloud-native applications that power our core services. We…

Emumba

Staff Backend Engineer

Remote, Canada

Remote

Full-time

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Job details

Job type: Full-time
Workplace: Remote
Posting language: English
Posted: Oct 23, 2026

Original job description

Staff Backend Engineer

Department: Backend

Employment Type: Full Time

Location: Canada

Description

We're looking for a highly skilled Staff Backend Engineer to design and build robust, scalable, and secure distributed systems. As a critical member of our engineering team, you'll use your expertise in Python to build cloud-native applications that power our core services. We currently operate in an AWS environment, and the core need is strong distributed systems and backend fundamentals.

Key Responsibilities

Build backend logic for event-driven systems using message queues and pub/sub services, with strong data processing and file-handling logic.
Manage concurrent tasks efficiently in distributed environments using asynchronous programming techniques.
Design and implement data processing pipelines across cloud storage, compute, and database services.
Optimize applications for performance and scalability through caching, async calls, and latency reduction.
Design and develop serverless applications and RESTful APIs using Flask or FastAPI.
Follow cloud security best practices (IAM, encryption, network isolation), and implement authentication mechanisms (OAuth, JWT, or managed identity services).

Skills, Knowledge and Expertise

5+ years of hands-on Python backend development experience, with solid exposure to cloud-native or serverless solutions (AWS preferred).
Proven experience with distributed systems concepts - event-driven architecture, message queues, and scalable data pipelines.
Hands-on experience with asynchronous and concurrent programming.
Strong testing and debugging skills across distributed architectures.

Exposure to GenAI tooling or LLM-based systems, particularly RAG or agentic RAG architectures, is a plus.
Experience integrating LLM APIs into backend services or workflows.
Familiarity with vector databases and embedding-based search.

Builder mindset: thrives on writing, debugging, and improving production code.
Collaborative, humble, and open to feedback.
Strong communicator who explains design decisions clearly.
Influences through contribution, not hierarchy.

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More about this job

Responsibilities

Design and build robust, scalable distributed systems using Python and cloud-native technologies. Manage event-driven data processing pipelines and implement secure RESTful APIs within an AWS environment.

Requirements

Requires 5+ years of hands-on Python backend development experience with a focus on cloud-native or serverless solutions. Candidates must possess strong knowledge of distributed systems, asynchronous programming, and cloud security best practices.

Skills

Python
AWS
Distributed systems
Event-driven architecture
Message queues
Asynchronous programming
Cloud-native applications
Flask
FastAPI
RESTful APIs
Cloud security
OAuth
JWT
GenAI
LLM integration
Vector databases

Visa sponsorship

Not detected in the job text

Keywords

Staff Backend Engineer
Python
AWS
Distributed Systems
Cloud-native
Serverless
Event-driven Architecture
Message Queues
Pub/Sub
Data Processing
Asynchronous Programming
Flask
FastAPI
RESTful APIs
Cloud Security
IAM
Encryption
OAuth
JWT
GenAI
LLM
RAG
Vector Databases
Embedding-based Search
Scalability
Latency Reduction
Caching
Backend Engineering

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