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Added 3 months ago
C
Senior QA Data Quality Engineer
Cognizant
Halifax, Nova Scotia
- Full-time
As a Senior QA Data Quality Engineer, you will lead quality assurance initiatives and collaborate with cross-functional technology teams to ensure the delivery of scalable, high-performance…
Added 3 months ago
I
Senior Data Engineer
iQmetrix
Winnipeg, Manitoba
- Full-time
The ideal candidate is a hands-on engineer with strong production experience in Python, SQL, and distributed compute environments. They should have deep familiarity with modern lakehouse…
Added 3 months ago
I
Senior Data Engineer
iQmetrix
Vancouver, British Columbia
- Full-time
The ideal candidate is a hands-on engineer with strong production experience in Python, SQL, and distributed compute environments. They should have deep familiarity with modern lakehouse…
Added 3 months ago
I
Senior Data Engineer
iQmetrix
Toronto, Ontario
- Full-time
The ideal candidate is a hands-on engineer with strong production experience in Python, SQL, and distributed compute environments. They should have deep familiarity with modern lakehouse…
Added 3 months ago
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Senior Data Engineer
BrainStation
Toronto, Ontario
- $120,000 to $145,000 USD / year
- Full-time
As a Senior Data Engineer you’ll be tasked with designing, building, and maintaining scalable data platforms and pipelines. Your deep knowledge of data platforms such as Azure Fabric,…
Added 3 months ago
AS
Associate Software Engineer / Software Engineer
Applied Systems Canada
Toronto, Ontario
- Full-time
…maintainability across the ecosystem. We’re hiring an Associate Software Engineer interested in continuous learning, innovation, and making a measurable impact on our technology…
Added 2 months ago
C
Senior / Staff Software Engineer – Core Data Infrastructure
Calliere
Toronto, ON
- Full-time
Engineer robust storage solutions capable of handling rapidly expanding volumes of time-series and spatial data without compromising on query performance.
Added 1 month ago
DevOps Engineer - Halifax Canada
NTT DATA Services
Halifax, NS
We are currently seeking a DevOps Engineer - Halifax Canada to join our team in Halifax, Nova Scotia (CA-NS), Canada (CA).
Added 2 months ago
S
Staff Engineer - Toronto
Sokin
Toronto, ON
- Full-time
We are searching for a Staff Engineer that can play a critical role in designing, developing and delivering scalable and efficient software solutions. Serving as a technical leader you’ll…
Added 1 month ago
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Senior Data Engineer
Morningstar
Toronto, ON
- Full-time
We are looking for a Senior Data Engineer with a minimum of 5+ years of experience in designing and implementing scalable, end-to-end data engineering solutions. The ideal candidate should…
Added 3 months ago
SQ
Quantum Algorithms Engineer
SuperQ Quantum Computing
Remote, Canada
- Full-time
- Remote
SuperQ is seeking a Quantum Algorithms Engineer to design, prototype, and implement quantum and hybrid algorithms on the Super Platform - our AI-driven supercomputing environment…
Added 3 months ago
SC
Senior Environmental or Water Resources Engineer / Ingénieur(e) sénior à intermédiaire en environnement ou en ressources en eau
SRK Consulting
Montreal, Quebec
- Full-time
Senior Environmental or Water Resources Engineer / Ingénieur(e) sénior à intermédiaire en environnement ou en ressources en eau - Montreal, Quebec City, Toronto, Sudbury, Canada
Added 4 months ago
C
Senior Quality Engineer (Python, SQL)
Cognizant
Halifax, Nova Scotia
- $70,000 to $90,000 CAD / year
- Full-time
As a Senior Quality Engineer, you will lead quality assurance initiatives and collaborate with cross-functional technology teams to ensure the delivery of scalable, high-performance…
Added 3 months ago
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Senior AI Systems Engineer - Agentic Workflow Runtime
Lydia.ai
Toronto, Ontario
- Full-time
We are looking for a senior engineer to help scale the core runtime behind these workflows.
Added 3 months ago
C
Senior Software Engineer
Clutch
Toronto, Ontario
- $160,000 to $200,000 USD / year
- Full-time
Clutch is seeking a Software Engineer (Full-Stack / Backend / Frontend) to help build and scale our technology platform. You will write clean, reliable code, design scalable architectures,…
Added 3 months ago
F
Operations Automation Engineer
Forma.ai
Toronto, Ontario
- $100,000 to $120,000 CAD / year
- Full-time
Forma.ai is looking for an Operations Automation Engineer to build automation, internal tools, and workflow systems that help our Customer Operations and Customer Delivery teams scale with…
Added 2 months ago
HR
Senior Clinical Analyst
Humber River Health
Toronto, ON · Greater Toronto, ON
- Other
Perform and document analytic requirements for analytic solutions to be built by the data engineer/developer, including interactive dashboards in BCA, reports with interactive…
Added 2 months ago
I
Software Engineer I, Toronto Co-op
INSTALILY.AI
Toronto, ON
- $7,000 CAD / month
Build a rapport with the Lead Software Engineer and Head of Product while fostering a culture of continuous learning and improvement
Added 2 months ago
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Analyste de données / Data Scientist
Genetec
Remote, Canada
- Full-time
- Remote
Maîtrise avancée de Python (Pandas, NumPy, Scikit-learn) et expérience dans l’utilisation de bibliothèques d’apprentissage automatique
Added 2 months ago
Senior Platform Engineer
AutoTrader.ca
Toronto, ON
…What we care about is a faster, smoother day-to-day for every engineer, and AI is the biggest lever we…
Added 2 months ago
HH
Senior Quality Engineer
Hinge Health
Remote, Canada
- $90,400 to $135,600 CAD / year
- Full-time
- Remote
…Health’s computer vision–powered experiences. As a Senior Quality Engineer on the Computer Vision User Experience team, you’ll drive the testing strategy and quality standards that ensure…
Added 1 month ago
Globalization Tech Lead
Okta
Toronto, ON
Okta is looking for a highly skilled Globalization Engineer to be the technical backbone of our global digital operations. You will be responsible for owning, building, and optimizing the…
Added 3 months ago
DI
Field Engineer. AI Solutions. Contract.
Data Intellect
Toronto, Ontario
- Full-time
…AI-powered decision-making. We’re seeking a Field Solutions Engineer to design and deliver scalable solutions for enterprise clients, blending engineering expertise with consultative…
Added 3 months ago
AO
Software Engineer
Agents Only Technologies
Remote, Canada
- Full-time
- Remote
Agents Only Technologies is seeking a Software Engineer to help build, maintain, and enhance the systems that power our global workforce, customer operations, and technology platforms.
Added 1 month ago
Staff Design Verification Engineer, AI HW
Tenstorrent
Toronto, ON
Proficient in Linux environments with Python, or Bash scripting for automate builds, parse logs, manage CI pipelines.

Calliere

Senior / Staff Software Engineer – Core Data Infrastructure

Toronto, ON, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Aug 3, 2026

Original job description

The Company

We are representing a well-capitalized, fast-growing B2B technology company that builds high-volume data aggregation platforms. Their infrastructure ingests massive streams of sensor and mobility data from hundreds of fragmented third-party sources, unifying it into a single, reliable API. Some of the largest enterprises in the logistics, transportation, and risk-management sectors rely on this backbone for real-time analytics. The engineering team operates out of a Toronto hub, tackling petabyte-scale challenges with the agility of an early-stage startup and the rigor of a mature tech organization.

The Role

This is a foundational backend and systems engineering position, not a traditional data engineering or pipeline-maintenance role. You will be architecting the core distributed systems that ingest, process, and store terabytes of time-series data daily. You will own the full lifecycle of the platform’s data flow, building the highly available, resilient primitives that internal product teams and external enterprise clients build upon.

Core Responsibilities

Design, build, and optimize high-throughput data processing systems (both real-time streaming and batch).
Engineer robust storage solutions capable of handling rapidly expanding volumes of time-series and spatial data without compromising on query performance.
Drive architectural decisions to ensure the infrastructure remains fault-tolerant and ahead of the company's aggressive scaling trajectory.
Develop intelligent, automated tooling that improves data quality, lineage tracking, and system reliability.
Collaborate closely with internal stakeholders to define technical abstractions that can be reused across different product lines.
Write scalable, production-ready code, primarily utilizing Java and Python.

Requirements

Candidate Profile

Scale Experience: A proven track record of designing and maintaining distributed backend systems or data platforms that process data at the terabyte or petabyte scale.
Technical Foundation: Deep expertise in computer science fundamentals, system architecture, and anticipating failure modes in complex networks.
Language Proficiency: Advanced proficiency in a JVM language (Java, Scala, Kotlin) and a willingness to work across different stacks as needed.
Data Ecosystems: Hands-on experience with modern large-scale processing frameworks (e.g., event streaming, distributed computation, and advanced data warehousing/lakehouse concepts).
Autonomy: High comfort level navigating ambiguity. You know how to scope complex problems, make definitive architectural calls, and drive projects to completion independently.

Bonus Points

Active contributions to open-source software, particularly in the distributed systems or data infrastructure space.
Familiarity with modern orchestration engines, lakehouse architectures, or spatio-temporal data models.

Benefits

Work Environment

High Autonomy: Engineers own their domains end-to-end and have a direct voice in product direction.
Proximity to the User: A culture of speaking directly with customers to understand their friction points before writing a single line of code.

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More about this job

Responsibilities

You will design, build, and optimize high-throughput data processing systems for real-time and batch data. Additionally, you will develop robust storage solutions and automated tooling to ensure system reliability and data quality.

Requirements

Candidates must have a proven track record in designing distributed backend systems at a terabyte or petabyte scale. Proficiency in a JVM language and deep expertise in computer science fundamentals and system architecture are required.

Skills

Java
Python
Distributed systems
Data infrastructure
System architecture
Time-series data
Streaming data
Batch processing
Scalability
Fault-tolerance
Data warehousing
Lakehouse architecture
Spatio-temporal data
JVM
API development
Data lineage

Visa sponsorship

Not detected in the job text

Keywords

Software Engineer
Data Infrastructure
Distributed Systems
Java
Python
JVM
Scala
Kotlin
Time-series data
Spatial data
Event streaming
Data warehousing
Lakehouse
API
Backend engineering
Scalability
Fault-tolerance
Data lineage
System architecture
Petabyte-scale
Real-time analytics
Data aggregation
Automation
Production-ready code
Computer science fundamentals

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