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Junior developer Jobs in Oakville, ON

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Junior developer • oakville on

Last updated: 6 hours ago

PySpark Python Developer

VDart IncMississauga, ON, Canada
Full-time
Quick Apply

Job Title: PySpark Python Developer</b></div> <div> </div> </div> <div> <div><b>Location: Mississauga, ON</b></div> <div> </di... Show more

 • New!

Senior Java Developer

08763 Citi Canada Technology Services ULCMississauga Ontario Canada
Full-time

The Senior Java Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination ... Show more

(Canada) - Junior Site Reliability Engineer

PointClickCareMississauga
CA$70,000.00 yearly
Full-time

At PointClickCare our mission is simple: to help providers deliver exceptional care.And that starts with our people.As a leading health tech company that’s founder-led and privately held, we empowe... Show more

Junior IT Workplace & Infrastructure Analyst

RexelMississauga, ON, CA
CA$55,000.00 yearly
Full-time

Join Rexel: A Global Leader in Electrical Distribution.Rexel is a world leader in the electrical distribution market, operating in 18 countries and leveraging a network of 1,950 branches and 27,000... Show more

Junior Ocean Export Agent

ExpeditorsMississauga, Ontario, Canada
CA$40,000.00 yearly
Full-time

Ensure timely and accurate movement of freight and information, while providing exceptional customer service.This section lists job-specific tasks and duties that are completed on a regular basis b... Show more

Full Stack Developer

J M Group IncMississauga, ON, Canada
Full-time
Quick Apply

We are hiring for a Full Stack Developer.The role focuses on enterprise application development, technical leadership, application modernization, cloud adoption, and API development using Microsoft... Show more

Infrastructure Developer (OSS)

PeopleToGoOakville, Ontario, Canada
Permanent
Quick Apply

Job Title: Infrastructure Developer (OSS).Infrastructure Developer to provide support to their Platform Services division.The role provides for shared enterprise services.The OSS Infrastructure Dev... Show more

SAP Developer

ArvatoMississauga, Canada
Full-time

We’re looking for an SAP Developer to work closely with technical peers, internal business contacts and external clients to develop, design and continuously improve ERP backbone to successful busin... Show more

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Junior Accountant

Randstad CanadaMississauga, Ontario, CA
Temporary
Quick Apply

Randstad is seeking an Accounting Specialist to cover a short term leave for our Mississauga client.This on site role will support Accounts Payable and Accounts Receivable functions, assisting with... Show more

Junior Piano Sales Specialist

Merriam MusicOakville, Ontario, Canada
CA$60,000.00 yearly
Full-time

At Merriam Music, we live and breathe the arts - but behind the curtain, we run one of the most successful sales operations of any small-to-medium business in Canada.Whether it's connecting someone... Show more

Junior IT Workplace & Infrastructure Analyst

REXELMississauga, Ontario, Canada
CA$55,000.00–CA$65,000.00 yearly
Full-time

Junior IT Workplace & Infrastructure Analyst .Support analysis activities for IT projects and operational initiatives under the guidance of senior team members.Assist in identifying areas ... Show more

Junior Application Developer, Digital

HatchMississauga, ON, CA
Full-time

Join a company that is passionately committed to the pursuit of a better world through positive change.With more than 70 years of business and technical expertise in.With practical solutions that a... Show more

C# Developer

PeopleToGoOakville, Ontario, Canada
Full-time +2
Quick Apply

Type: Permanent, full time position (Contractors interested in a 6 month contract will also be considered.Our client is seeking a highly skilled, motivated and dynamic individual to join their Deve... Show more

Angular Developer

Sapsol Technologies IncMississauga, ON, CA
Full-time
Quick Apply

The ideal candidate will have expertise in.Develop and maintain web applications using.Build responsive and user-friendly UI components using.Integrate frontend applications with.Ensure cross-brows... Show more

Sr. Net Developer

PeopleToGoOakville, Ontario
Full-time +1
Quick Apply

This role is also available on a Permanent, Full time basis.Our client is seeking a highly skilled, motivated and dynamic individual to join their Development team.This role includes an active role... Show more

Python Developer

AIT Global inc.Mississauga, ON, Canada
Full-time
Quick Apply

Job Title: Python Developer<br /> Location: Mississauga, ON</b></div> <div> </div> <div>8-10 years of relevant experience in Apps Development or systems analysi... Show more

Junior Civil Engineering Designer

Aplin MartinOakville, ON, CA
CA$65,000.00–CA$80,000.00 yearly
Full-time
Quick Apply

About Us Aplin Martin is a full-service Civil Engineering, Architecture, Planning, Environmental and Survey company, celebrating over 56 years of success in making sustainable communities a reality... Show more

Senior Application Developer

Novo NordiskMississauga, Onta, CA
Full-time

Information Technology, F&O Department.Shape the data architecture behind one of the world's fastest-growing healthcare companies – and see your solutions drive real impact every day.Applicatio... Show more

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Digital Senior Developer

DefinityMississauga, ONT, Canada
CA$92,000.00 yearly
Temporary

Page(), pageData: pageData, onMessage: onMessage, classModifier: classModifier } } -->.PageDisplayBoxed}, class: classWithModifier ">.Dat... Show more

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PySpark Python Developer

PySpark Python Developer

VDart IncMississauga, ON, Canada
6 hours ago
Job type
  • Full-time
  • Quick Apply
Job description

Job Title: PySpark Python Developer

Location: Mississauga, ON

Duration: Full Time


Required Qualifications:

  • At least 4 years of Information Technology experience
  • 4+ years of experience in Big Data technologies.

Strong expertise in:

  • Apache Spark (Core, SQL, DataFrames, RDDs)
  • Scala programming
  • PySpark
  • Hands-on experience with:
  • Kafka (real-time streaming)
  • Hadoop ecosystem (HDFS, Hive, Impala)
  • NoSQL Databases (HBase, MongoDB, Couchbase)
  • Strong understanding of distributed computing concepts and data processing frameworks.
  • Experience in building ETL/data pipelines for large-scale datasets.
  • Proficiency in SQL and data modeling.

Preferred Qualifications:

  • Hands-on experience with data lakes, data warehouses, and scalable ETL pipeline design, including batch and real-time processing architecture.
  • Strong understanding and practical exposure to Agile software development methodologies (Scrum) and SDLC practices.
  • Proven experience in Banking domain, supporting use cases such as fraud detection, risk analytics, regulatory reporting, and customer insights.
  • Excellent analytical, problem-solving, and communication skills, with the ability to translate business requirements into scalable technical solutions.
  • Demonstrated ability to work effectively in cross-functional, multi-stakeholder environments, collaborating with Business, Data Engineering, and Architecture teams.
  • Experience with real-time data streaming frameworks such as Kafka and Spark Streaming for low-latency processing.
  • Understanding data modeling concepts (dimensional modeling, snowflake schemas) to support analytics workloads.
  • Experience and desire to work in a global delivery environment.

Key Responsibilities:

  • Design and develop large-scale data processing pipelines using Apache Spark (Scala & PySpark)
  • Build and optimize batch and real-time data processing workflows using Spark, Kafka, and Hadoop ecosystem
  • Develop Spark applications using RDDs, DataFrames, and Spark SQL for complex transformations
  • Develop and optimize PySpark applications leveraging joins, Spark DAG execution flow, stage optimization, transformation techniques, and streaming with dynamic allocation and failover handling.
  • Implement streaming pipelines using Kafka and Spark Streaming / Structured Streaming
  • Develop and maintain HDFS, Hive, NoSql and Impala-based data lake solutions
  • Convert existing SQL/Hive workloads into optimized Spark jobs for improved performance
  • Work with ETL pipelines to ingest, cleanse, transform, and process large datasets
  • Optimize performance through partitioning, caching, serialization, and tuning techniques
  • Handle data formats such as Parquet, ORC, Avro, JSON
  • Integrate multiple data sources including streaming systems, flat files RDBMS, and APIs
  • Collaborate with cross-functional teams to understand business requirements and translate them into scalable technical solutions
  • Ensure data quality, reliability, and performance monitoring across pipelines
  • Participate in code reviews, design discussions, and best practices implementation

Key Skills:

  • Distributed Data Processing.
  • Spark Optimization & Performance Tuning.
  • Real-time Data Streaming.
  • Data Modeling & ETL Design.
  • Problem-solving and Analytical Thinking.
  • Strong Communication & Stakeholder Management.

Nice to Have:

  • Exposure to Machine Learning pipelines or MLOps workflows.
  • Experience with Databricks platform.
  • Experience with AWS/GCP.