Mississauga, On Java + python backend developer Jobs – 88 Openings This Week

Java Full Stack Developer - React JS - Assistant Vice President
Citi —Mississauga, ON
- $94,300–$141,500 a year
- Full-time
- Hybrid work
- Computer Science
- Engineering
- SQL
1d
Senior Software Engineer
Tactable —Toronto, ON
- $140,000–$190,000 a year
- Full-time
- Hybrid work
- Azure
- System design
- English
- Disability insurance
- Dental care
Quick apply
Apps Dev Tech Lead Analyst - C13 - MISSISSAUGA
Citi —Mississauga, ON
- $120,800–$170,800 a year
- Full-time
- Hybrid work
- Azure
- Master's degree
- AWS
14d
Automation Developer (AI)
Acosta Group —Toronto, ON
- $84,100–$105,000 a year
- Full-time
- Java
- Databases
- SQL
Quick apply
Sr. Consultant, Full Stack Application Developer
CIBC —Toronto, ON
- Full-time
- Azure
- System design
- Java
1d
Staff Software Engineer, App Runtime
Snowflake —Toronto, ON
- Computer Science
- Engineering
- Java
GenAI Full Stack Developer (PL854)
Paralucent —Toronto, ON
- Full-time
- Hybrid work
- Azure
- DevOps
- System design
Quick apply
(CAN) Solution Consultant II
Walmart Canada —Mississauga, ON
- $74,000–$101,750 a year
- Full-time
- Computer Science
- DevOps
- Engineering
AI Full Stack Developer
Avanade —Toronto, ON
- $104,000–$171,950 a year
- Full-time
- Azure
- Computer Science
- Software troubleshooting
Senior Full Stack AI Developer
Messagepoint —Toronto, ON
- Full-time
- Remote
- Java
- AWS
- JavaScript
Quick apply
Senior C++ Application Developer
TMX Group Limited —Toronto, ON
- $120,000–$130,000 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Java
Software Developer Specialist - Security Product
Intact —Toronto, ON
- $118,700–$145,100 a year
- Full-time
- Hybrid work
- Bilingual
- Computer science
- Azure
- Employee stock purchase plan
Staff Software Engineer, Fullstack
Fivetran —Toronto, ON
- $167,548–$209,435 a year
- Full-time
- Hybrid work
- Azure
- Java
- AWS
- Paid time off
- Paid sick leave
Quick apply
Développeur logiciel II
Intact —Toronto, ON
- $80,700–$98,700 a year
- Full-time
- Hybrid work
- Bilingual
- Computer Science
- No experience needed
- Wellness program
8d
Sr. Cloud Software Architect
Carbon60 —Toronto, ON
- $160,000–$180,000 a year
- Full-time
- Remote
- Azure
- Oracle
- Computer Science
- Wellness program
- Dental care
CCAIP (IVR) Integration Developer
UST —Toronto, ON
- $78,000–$98,000 a year
- Temporary
- Hybrid work
- Writing skills
- Java
- AI
- Life insurance
- Paid sick leave
Quick apply
Staff Engineer
Royal Bank of Canada —Toronto, ON
- Full-time
- Software troubleshooting
- Maintenance
- Java
Senior Backend Engineer, AI Platform
EvenUp —Toronto, ON
- $184,728–$249,926 a year
- Full-time
- Hybrid work
- System design
- Java
- C++
- Designated paid holidays
- Disability insurance
Quick apply
CCaaS Engineer
Accenture —Toronto, ON
- $69,450–$119,450 a year
- Full-time
- Salesforce
- English
- Java
9d
Staff Software Engineer, AI Platform
EvenUp —Toronto, ON
- $174,729–$236,398 a year
- Full-time
- Hybrid work
- System design
- Java
- C++
- Designated paid holidays
- Disability insurance
Quick apply

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java + python backend developer jobs near mississauga, on

Java Full Stack Developer - React JS - Assistant Vice President

Citi -
Mississauga, ON

Apply Now

Job details

Full-time
$94,300–$141,500 a year
1 day ago

Qualifications

Web accessibility
Spring Boot
Responsive design
Automated build pipelines
Data integration
Gradle
Computer Science
CSS
JUnit
Continuous Delivery (CD) implementation
React
RESTful API
Engineering
NoSQL
Git
MongoDB
Microservices
SQL
Event-driven architecture
Bachelor's
PostgreSQL
Version control systems
Back-end development
Angular
GitHub
Red Hat OpenShift
Agile
Information processing
React.js
Grafana
Kafka
Unit testing
SSIS
Maven
AI
Software development or architecture experience
TypeScript
Python
Debugging
HTML
Pipeline

Full job description

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Job Overview

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 stack developer with prior experience in Angular and Java-based backend systems, contributing to modern, scalable, and cloud-native applications.

Responsibilities

Design, develop, and maintain scalable full stack applications with a focus on React.js and modern UI architecture

Core Skills: Expert-level proficiency in modern JavaScript frameworks (React.js/Angular), JavaScript (ES6+), TypeScript, HTML5, and CSS3.

Modernize legacy Angular applications into React-based solutions

Develop backend services using Java (17+), Spring Boot, and microservices architecture

Proven experience building RESTful web services and API gateways, such as Apigee

Build and maintain event-driven data pipelines with real-time data processing using Kafka.

Database Integration: Integrate applications with both SQL (Oracle, PostgreSQL) and NoSQL databases, utilizing caching solutions where appropriate.

Proficiency with version control systems such as Git, GitHub, or Bitbucket.

Experience with CI/CD tools like Jenkins, Harness or Tekton.

Integrate with Oracle and NoSQL databases (MongoDB)

Standards: Knowledge of responsive design principles, accessibility (ADA compliance), and end-to-end UI deployment strategies.

Proficiency with build tools like Maven or Gradle and unit testing frameworks (e.g., JUnit, Mockito).

Support CI/CD pipelines using Jenkins, TeamCity, or similar tools

Work with Docker, Kubernetes, and OpenShift for containerized deployments

Use AI-assisted development tools (e.g., GitHub Copilot) to enhance productivity

Monitor applications using ELK, Grafana, and resolve production issues

Demonstrated ability to build and maintain large-scale data processing applications.

Preferred Skills (Good to Have)

Experience with data virtualization systems like Starburst.

Experience with Python for scripting or data manipulation.

Experience with QA automation frameworks and strategies for large-scale data processing.

Familiarity with job scheduling tools like Autosys or ETL processes like SSIS.

Experience with AI coding assistants

Qualifications

5–8 years of experience in full stack development

Strong coding, problem-solving, and debugging skills

Experience working in Agile and global team environments

Education

Bachelor’s degree in computer science, Engineering, or equivalent experience

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Primary Location Full Time Salary Range:

$94,300.00 - $141,500.00

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

This job opening is for an existing job vacancy.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

Apply Now

Refine Your Search

java + python backend developer jobs in mississauga, on

Java Full Stack Developer - React JS - Assistant Vice President

Senior Software Engineer

Apps Dev Tech Lead Analyst - C13 - MISSISSAUGA

Automation Developer (AI)

Sr. Consultant, Full Stack Application Developer

Staff Software Engineer, App Runtime

GenAI Full Stack Developer (PL854)

(CAN) Solution Consultant II

AI Full Stack Developer

Senior Full Stack AI Developer

Senior C++ Application Developer

Software Developer Specialist - Security Product

Staff Software Engineer, Fullstack

Développeur logiciel II

Sr. Cloud Software Architect

CCAIP (IVR) Integration Developer

Staff Engineer

Senior Backend Engineer, AI Platform

CCaaS Engineer

Staff Software Engineer, AI Platform

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