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Added 20 days ago
Senior Software Developer, Workday Integrations & Extend
Royal Bank of Canada
Toronto, ON
Full-time
As a Senior Software Developer, Workday Integrations & Extend, you will lead the technical design, development, and implementation of Workday solutions to meet complex HCM program…
Added 1 month ago
Senior Software Developer, Workday Integrations & Extend
RBC
Toronto, ON
Full-time
As a Senior Software Developer, Workday Integrations & Extend, you will lead the technical design, development, and implementation of Workday solutions to meet complex HCM program…
Added 1 month ago
Senior Automation Developer - Assistant Vice President
Citi
Mississauga, ON
Full-time
Programming Languages: Advanced, hands-on programming proficiency in core languages including Java, Python, and JavaScript/TypeScript, with a deep understanding of object-oriented…
Added 2 months ago
Senior Software Engineer - Mobile
Roadpost
Etobicoke, Ontario
Full-time
Leverage AI Throughout Development. Use agentic AI tools as a core part of your workflow from scaffolding, generating tests, exploring approaches, and accelerating iteration. You will…
Added 18 days ago
Angular or React Full Stack Developer - onsite Mississauga CA
Capgemini
Mississauga, ON
Proficiency in core web technologies including HTML5 and CSS3.
Added 18 days ago
AI and Data - Manager - AI Engineer
EY
Toronto, ON
…solve real business problems for EY's clients. You are the core builder on the delivery team, responsible for AI/ML pipelines, agentic workflows, multi-agent coordination, evaluation…
Added 1 month ago
Java Full Stack Developer - React JS - Assistant Vice President
Citi
Mississauga, ON
Full-time
The position is for a senior full-stack developer with 6-8 years of experience, specializing in building enterprise-scale applications. This role is suited for a strong React-focused full…
Added 2 months ago
Technology Lead - DevOps
Infosys
Mississauga, Ontario
Full-time
Experience building and maintaining CI/CD for modern application stacks (e.g., .NET/Java/Node, containers), including approvals, gates, and quality checks.
Added 4 months ago
Java Software Engineer
Synechron
Calgary, Alberta
$100,000 to $110,000 CAD / year
Full-time
We are seeking a highly skilled Senior Core Java Developer with extensive experience in multithreading, collections, data structures, and banking domain expertise. The ideal candidate will…
Added 1 month ago
Java Full stack Developer
Capgemini
Toronto, ON
· Extensive experience in developing and maintaining applications using Scala/Java. Proficient in building scalable and robust applications using Spring Framework (Spring Core, Spring MVC,…
Added 18 days ago
Java Delivery Manager
Capgemini
Montreal, QC
Core Java & Spring: Deep understanding of Java (8+), Spring Boot, Spring Cloud, and Microservices.
Added 1 month ago
Senior Software Engineer, Applied AI (Netherlands)
Justworks
Toronto, ON
€143,000 to €184,000 EUR / year
Design, build, and own core components of the agent platform, from the orchestration layer to the tool integrations connecting it to internal systems.
Added 1 month ago
Senior Software Engineer, Applied AI (Spain)
Justworks
Toronto, ON
Design, build, and own core components of the agent platform, from the orchestration layer to the tool integrations connecting it to internal systems.
Added 18 days ago
Senior Software Engineer, Full-Stack Applications - AI Innovation Teams
Fitch Group
Toronto, ON
Lead transformative full-stack applications with AI at the core – Drive architecture and implementation of net-new applications using Java/Springboot, Python, and REACT that integrate…
Added 1 month ago
Staff Android Developer – Infotainment
General Motors
Markham, ON
Full-time
The Staff Android Developer – Infotainment is a senior technical leader responsible for designing, building, and evolving in-vehicle Android applications and platform components that power…
Added 1 month ago
Design Verification Engineer - technical lead, Annapurna Labs
Amazon
Toronto, ON
…experiences, including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences. Amazon’s culture of inclusion is reinforced within our 16 Leadership…
Added 2 months ago
AEM Architect (10-Month Contract)
Saatchi & Saatchi Canada
Toronto, Ontario
Contract
Technical Skills: Deep understanding of Java, Jakarta EE (formerly J2EE), Servlets, OSGi, and HTL/Sightly, combined with strong command of enterprise Java frameworks such as Spring.
Added 1 month ago
Apps Dev Tech Lead Analyst
Citi
Mississauga, ON
Full-time
We are seeking a highly skilled and experienced Backend Java Developer to join our dynamic engineering team. The ideal candidate will be responsible for designing, developing, and…
Added 2 months ago
Manager Software Engineering
PointClickCare
Mississauga, Ontario
$152,000 to $174,000 CAD / year
Full-time
…written conversations and presentations, demonstrating corporate core values and culture, developing professional and positive relationships with customers, and maintaining a reputation of…
Added 2 months ago
Staff Back End Engineer (Data Platform)
Forma.ai
Remote, Canada
Full-time · Remote
Expertise in at least one production-grade backend language (e.g., Python, Java, Kotlin, Go, C#, etc.).
Added 22 days ago
Senior Software Developer (Java)– Platform & Emerging Technologies
Autodesk
Toronto, ON · Montreal, QC
Full-time
Senior Software Developer– Platform & Emerging Technologies
Added 1 month ago
Senior Java Tech Lead - Vice President
Citi
Mississauga, ON
Full-time
Deep, authoritative knowledge of core Java, including multi-threading, concurrency, memory management, and performance tuning
Added 1 month ago
Software Development Engineer, Amazon Tax
Amazon
Vancouver, BC
…building highly scalable and reliable systems or a software developer who likes to solve business problems, Amazon Tax Platform Services is the place for…
Added 1 month ago
Senior / Staff Software Engineer – Core Data Infrastructure
Calliere
Toronto, ON
Full-time
…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…
Added 1 month ago
Lead Quality Engineer
Ontario Teachers' Pension Plan
Toronto, ON
Full-time
…TestComplete, ReadyAPI, JMeter, Playwright, QuerySurge, Python, SQL, Java/JavaScript, C#, and related scripting languages or AI…

Calliere

Senior / Staff Software Engineer – Core Data Infrastructure

Toronto, ON, Canada

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

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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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