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Backend developer Jobs in Oakville, ON

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Backend developer • oakville on

Last updated: 2 days ago

Sr Backend Java Developer

Motion RecruitmentMississauga, Ontario, Canada
Full-time

Grow your career as a Senior Backend Java Developer with an innovative global bank in Mississauga, ON.Contract role with strong possibility of extension.Will require working a hybrid schedule 3 day... Show more

Software developer

Clientserver Tech SystemsMississauga, ON, Canada
Full-time

Write, modify, integrate and test software code.Maintain existing computer programs by making modifications as required.Communicate technical problems, processes and solutions.Research and evaluate... Show more

Technology Developer

PurolatorMississauga, ON, CA
Full-time

As Canada’s leading integrated freight, package, and logistics provider, we’ve been helping promises get where they need to be for more than 60 years.The places we go, the elements we brave, the pr... Show more

.NET Developer

Randstad CanadaMississauga, Ontario, CA
CA$12.00 hourly
Temporary
Quick Apply

Our client is seeking a skilled.NET Developer to join their dynamic engineering team.In this role, you will contribute directly to the development, optimization, and maintenance of cutting-edge pha... Show more

Java + Angular Full Stack Engineer

Staffingine LLCMississauga,, ON, Canada
Full-time
Quick Apply

Job Title: Java + Angular Full Stack Engineer<br /> Job Location: Mississauga, Ontario, Canada<br /> Job Type: Full-Time</b></p> <p style="margin-bottom:13px"&g... Show more

Python AWS Developer

Astra North Infoteck Inc.Mississauga, ON, ca
Full-time

Python & AWS Developer | AWS Cloud, Python, REST APIs & Microservices.A Python & AWS Developer is responsible for designing, developing, and maintaining scalable cloud-native applicatio... Show more

National Business Development Manager

NedcoMississauga/Montreal/Vancouver, ON, CA
Full-time

Rexel is a world leader in the electrical distribution market, operating in 18 Countries and leveraging a network of 1950 branches and 27000 employees.We provide innovative electrical solutions and... Show more

Java Fullstack Developer

ITL CanadaMississauga, CA
CA$92.00 hourly
Full-time

Infosys is looking for an experienced Lead Java Full Stack Developer to design, develop, and deliver scalable enterprise applications using Java and Angular.The role involves hands‑on coding, techn... Show more

Senior Automation Developer

08763 Citi Canada Technology Services ULCMississauga Ontario Canada
Full-time

We are seeking a highly skilled Senior Automation Developer for a fully hands-on, programmatic engineering role dedicated to architecting, refactoring, and maintaining scalable, distributed test au... Show more

Senior Full Stack Developer

AversanMississauga, Ontario, Canada
CA$110,000.00 yearly
Full-time

Senior Full Stack Software Engineer.Aversan delivers leading-edge and reliable safety-critical electronics and software systems to the aerospace, defence, and space industries.Senior Full Stack Sof... Show more

Senior Full Stack Developer (Java)

Royal Bank of Canada>MISSISSAUGA, Canada
Full-time

RBC Insurance Technology team is undertaking multiple initiatives as part of RBC’s continuous evolution and improvement of our insurance solutions.In this role you will apply your development skill... Show more

Co-Op Full Stack Developer

Gastronomous Technologies Inc.Oakville, Ontario, Canada
Full-time

Gastronomous is a fast-paced, dynamic start-up focused on revolutionizing how food is prepared and enjoyed worldwide! Having developed Canada's first.Gastronomous realizes the “Kitchen of the Futur... Show more

Java Full-stack Developer

CapgeminiMississauga, ON, CA
CA$86,129.00 yearly
Full-time
Quick Apply

The Senior Engineer in Production Management will be responsible for the development and overall implementation of software in a complex critical and large cross departmental and multidisciplinary ... Show more

Quality and Infrastructure Co-op Developer

SurvalentMississauga, ON, CA
CA$20.00 hourly
Full-time

Survalent is seeking innovative and enthusiastic Software Developer Co-op students to join our  Web Application Development team this Fall 2026.This team is responsible for building secure... Show more

Java with AWS Lead

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

We're looking for a senior Java developer to lead a small team in both supporting an existing application and building its future state.The role centres on migrating a legacy Java/WebSphere ap... Show more

Java Backend Developer

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

Design, develop, and maintain backend services using.Microservices-based architecture.Collaborate with frontend developers, DevOps teams, and stakeholders.Optimize application performance, scalabil... Show more

Senior Web and Mobile Developer

Manitoulin Group of CompaniesMississauga, Ontario, Canada
Full-time

Reporting to the manager of web and mobile development, the senior web developer works with a team of developers to create new websites and applications.You work under the supervision of the manage... Show more

Java Backend Developer

NAM Info IncMississauga, ON, Canada
Full-time
Quick Apply

Java <b>Backend Developer </b></p> <p>Fulltime Position</p> <p>Canada Location- Mississauga, Canada( 2-3 days in a week onsite)</p> <p>Looking for Mi... Show more

Business Central Developer – Supply Chain

JDRF Electromag Engineering Inc.Mississauga, Ontario, CA
CA$60,000.00 yearly
Full-time

JDRF Electromag Engineering Inc.Port Credit, Mississauga, Ontario.Our mission is to reduce global GHG emissions by creating affordable Smart Lighting for commercial buildings.We have developed a br... Show more

Composition Developer – Quadient Inspire || Mississauga, ON - Onsite || Fulltime FTE

AcestackMississauga, ON, Canada
Full-time
Quick Apply

Quadient Inspire Composition Developer</b></div> <div><b>Location: Mississauga, ON<br /> Work Model: Onsite<br /> Experience: 8 10+ Years<br /> Employmen... Show more

People also ask
Sr Backend Java Developer

Sr Backend Java Developer

Motion RecruitmentMississauga, Ontario, Canada
11 days ago
Job type
  • Full-time
Job description
Grow your career as a Senior Backend Java Developer with an innovative global bank in Mississauga, ON. Contract role with strong possibility of extension. Will require working a hybrid schedule 3 days onsite per week.

Join one of the world's most renowned global banks and trusted brand with over 200 years of continuously evolving financial services worldwide. You will work alongside some of the smartest minds in the industry who are excited to share their knowledge and to learn from you.

Contract Duration: 6 Months Required Skills & Experience
  • 8+ years of experience in application development or systems analysis, with a heavy emphasis on Java-based backend architectures.
  • Deep, expert-level understanding of Core Java (Java 11/17/21), including advanced multithreading, concurrency models, Java memory model (JVM garbage collection, heap analysis), and Collections API.
  • Extensive hands-on experience building distributed data processing systems, ETL pipelines, and real-time streaming architectures using tools like Apache Kafka, Apache Spark, Flink, or Hadoop.
  • Strong experience with the Spring Ecosystem (Spring Boot, Spring Cloud, Spring Data, Spring Security) and ORM frameworks (Hibernate/JPA).
  • Proficiency in designing schemas and writing optimized queries for both relational databases (e.g., PostgreSQL, MySQL, Oracle) and NoSQL stores (e.g., Cassandra, MongoDB, Redis).
  • Comprehensive understanding of distributed system design patterns, consensus protocols, caching strategies, and API design (RESTful APIs, gRPC).
  • Practical experience with containerization (Docker, Kubernetes), continuous integration/continuous deployment tools (Jenkins, GitLab CI, or GitHub Actions), and infrastructure-as-code principles.
  • Strong advocate for testing frameworks such as JUnit, Mockito, and integration testing tools.
??????? Desired Skills & Experience
  • Experience with cloud platforms (AWS, Azure, or GCP), specifically managed database and container services.
  • Experience in financial services, banking technology, or large-scale enterprise transaction systems.
  • Familiarity with Unix/Linux environments, shell scripting, and network configurations.
??????? What You Will Be Doing
  • Hands-on Java Development
  • Systems Analysis & Architecture: Analyze complex business requirements and translate them into highly scalable, reliable, and secure backend systems designs. Evaluate trade-offs between different data architecture patterns (e.g., microservices vs. event-driven).
  • Hands-on Programming: Write high-quality, production-ready, and performant Java code. Leverage advanced software engineering principles such as Object-Oriented Programming (OOP), SOLID design principles, and design patterns.
  • Technical Project Delivery: Lead the technical implementation and delivery of critical, complex backend and data-processing initiatives. Partner with cross-functional teams to ensure successful project deployment from conception through production.
  • Subject Matter Expertise (SME): Act as the resident Subject Matter Expert (SME) in high-throughput data processing, stream processing, or JVM performance tuning. Provide guidance on industry best practices and emerging backend technologies.
  • Performance Optimization: Diagnose, profile, and resolve complex performance bottlenecks, memory leaks, and concurrency issues in high-volume distributed environments.
  • Quality Assurance & Best Practices: Champion code quality through Test-Driven Development (TDD), comprehensive unit/integration testing, and rigid code review standards.
  • Mentorship: Provide technical mentorship and architectural guidance to other engineers on the team, fostering a culture of technical excellence and clean code.