Senior Big Data Developer

CGI; Toronto; Hybrid; CAD 100,000 - 130,000; Full time

Job summary

A leading IT services firm in Toronto is seeking a Senior Big Data Developer to create scalable solutions. Candidates should have over 5 years of experience in Java and Big Data technologies, alongside strong application design skills. This hybrid position allows for 4 days in the office and 1 day remote a week. Join a team dedicated to innovation and career growth.

Benefits

Career growth opportunities

Diverse work environment

Health and wellbeing support

Qualifications

• 5+ years of professional experience in building ground-up applications.
• 5+ years of experience in Java and J2EE architecture.
• 3+ years with Big Data technologies.

Responsibilities

• Architect and develop shared applications for scalable Big Data solutions.
• Build and optimize multithreaded applications with emphasis on security.
• Lead the design of Big Data architectures and data pipelines.

Skills

Java

Python

Scala

Big Data

Application Design

Object Oriented Programming

Education

Undergraduate Degree in Computer Science or related work experience

Tools

Hadoop

Spark

J2EE

DB2

Oracle

Kafka

Elasticsearch

Job description

Overview

Position Description: We are Canada's largest independent information technology services firm, and after 45 years, we're still growing! Join us as a Senior Big Data Developer.

Location - Downtown Toronto (Hybrid - 4 days in office and 1 day remote).

Responsibilities

• Architect and develop shared applications, frameworks, utilities, and services to support scalable and reusable Big Data solutions.
• Build and optimize multithreaded applications with a strong emphasis on security, inter-process communication, and system integration.
• Lead the design and implementation of Big Data architectures, including:
• Data storage and management
• Distributed processing frameworks
• Data pipelines and ETL processes
• Data mining, analysis, and visualization
• Development of high-performance algorithms for large-scale data processing
• Apply advanced knowledge of Object‑Oriented and Service‑Oriented Architecture (SOA) to deliver robust and modular data engineering solutions.
• Troubleshoot and resolve integration challenges, ensuring alignment with business requirements and technical constraints.
• Perform capacity planning, system sizing, and performance tuning to ensure optimal operation of Big Data platforms and services.

Required qualifications

• 5+ years of professional experience in building ground-up applications
• 5+ years’ experience in Java and J2EE architecture and solutions
• 3+ years with Big Data
• 5+ years of experience in RDBMS
• Computer Languages: Java/J2EE, Scala, Shell Script, C, Python, C#
• Databases: DB2, Oracle, MySQL, MS SQL Server, NoSQL (HBase, Vertica, Cassandra)
• Operating Platforms: UNIX/Linux/AIX, z/OS, Windows
• Platforms/Tools/Frameworks/Services: Hadoop, Spark, MapReduce, Hive, Kafka, Knox, Oozie, Solr, Elasticsearch, Maven, WebSphere Application Server, MQ Series, Hortonworks, Flume, Eclipse
• Methodologies: Object-Oriented Programming/Development, Service-Oriented Architecture, UML
• Approaches: Agile, iterative methodologies like RUP, and traditional waterfall
• Undergraduate Degree in Computer Science or related work experience
• Demonstrated leadership and learn‑how ability

Skills

• Application Design
• Application Development
• Big Data
• J2EE
• Java
• Object Oriented Programming
• Python
• Scala
• Shell Script
• Systems Analysis
• Technical Analysis
• Waterfall Model
• Web Application Development
• Financial Services

What you can expect from us

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI, we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partners to thrive. As an equal-opportunity employer, being able to perform your best during the recruitment process is important to us. If you require an accommodation, please inform your recruiter.

To learn more about accessibility at CGI, contact us via email. Please note that this email is strictly for accessibility requests and cannot be used for application status inquiries.

Come join our team—one of the largest IT and business consulting services firms in the world.