Mississauga, On Java + python backend developer Jobs – 81 Openings This Week

Senior Java Developer – Vice President
Citi —Mississauga, ON
- $120,800–$170,800 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Engineering
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
Lead Full Stack Developer (Java/Python)
Royal Bank of Canada —Toronto, ON
- Full-time
- Java
- Team management
- Agile
2d
Senior Full-Stack Software Developer1024
Veracity Ventures Inc. —Toronto, ON
- $95,000–$135,000 a year
- Full-time
- Hybrid work
- Azure
- Software troubleshooting
- Java
- Work from home
Quick apply
Principal Software Developer
Intuit —Toronto, ON
- $215,500–$291,500 a year
- Computer Science
- Master's degree
- AWS
GIS Developer
Bridgenext Digital Engineering —Toronto, ON
- $115,000–$150,000 a year
- Full-time
- Computer Science
- Software troubleshooting
- Java
10d
Senior Full Stack Developer, Research Technology
Royal Bank of Canada —Toronto, ON
- Full-time
- Java
- Agile
- Financial services
10d
Software Engineer — Notification Hub & Experience
DoorDash Canada —Toronto, ON
- $120,000–$150,000 a year
- System design
- C++
- Machine learning
Quick apply
5d
Member of Technical Staff - ML Operations
Veeda AI —Toronto, ON
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Java
Quick apply
AI Full Stack Builder
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- Java
- Databases
12d
Principal Software Architect
Carbon60 —Toronto, ON
- $180,000–$220,000 a year
- Full-time
- Remote
- Azure
- Java
- Databases
- Dental care
- Flexible schedule
Quality Analyst - SCM
Tata Consultancy Services —Toronto, ON
- Azure
- Java
- SQL

More jobs to discover

Find similar jobs that you might be interested in.

Java Full Stack Developer - React JS - Assistant Vice President
Citi —Mississauga, ON
Bachelor’s degree in computer science, Engineering, or equivalent experience. 5–8 years of experience in full stack development.
$94,300–$141,500 a year

Explore jobs in cities nearby

Check out jobs in cities near your current location, Columbus

Senior Software Developer (Java)
OpenText —Richmond Hill, ON
The developer will have strong software development experience with a focus on backend systems and practical AI application development.
$98,080–$147,120 a year

I want to receive the latest job alerts for java + python backend developer in mississauga, on

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

java + python backend developer jobs near mississauga, on

Software Engineer jobs in Toronto, ON

GIS Developer jobs in Toronto, ON

Operations Associate jobs in Toronto, ON

Full Stack Developer jobs in Mississauga, ON

Full Stack Developer jobs in Toronto, ON

Quality Analyst jobs in Toronto, ON

Senior Java Developer jobs in Mississauga, ON

Software Engineer jobs in University Of British Columbia (vancouver Campus), BC

Software Engineer jobs in Regina, SK

Software Engineer jobs in British Columbia

Network Engineer jobs in Calgary, AB

Software Engineer jobs in Whitby, ON

Junior Software Developer jobs in Vancouver, BC

Software Engineer jobs in Burnaby, BC

Systems Engineer jobs in Vancouver, BC

Software Engineer jobs in Newfoundland And Labrador

Ai Engineer jobs in Calgary, AB

Software Engineer jobs in Port Coquitlam, BC

Mechanical Engineer jobs in Ontario

Process Engineer jobs in British Columbia

Senior Java Developer – Vice President

Citi -
Mississauga, ON

Apply Now

Job details

Full-time
$120,800–$170,800 a year

Qualifications

Spring Boot
Performance tuning
Software engineering
Azure
Law
Computer Science
Cassandra
Software Engineering
React
RESTful API
Engineering
Microsoft SQL Server
Google Cloud Platform
MongoDB
Responsive design
Data and database experience
Master's degree
Microservices
SQL
AWS
Bachelor's
Machine learning
PostgreSQL
Decision making
Version control systems
Continuous integration
Back-end development
Mentoring
Query optimization
Angular
GitHub
Red Hat OpenShift
React.js
AI
Cross-functional collaboration
Software development or architecture experience
TypeScript
Communication skills
Python
Debugging
Cross-functional communication

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

We are seeking a highly skilled and experienced Senior Java Engineer to join our dynamic team. The ideal candidate will be a hands-on developer with leadership quality, proficient in modern Java technologies and SQL skills, and passionate about leveraging cutting-edge AI tools and methodologies to build innovative and robust enterprise solutions.

Responsibilities :

Write clean, secure, and highly performant Java code using Spring Boot and related frameworks, adhering to best practices and coding standards.
Build modern, responsive front-end interfaces with a focus on user experience and robust, scalable RESTful APIs.
Lead architectural decisions, perform comprehensive code reviews, and mentor junior and mid-level developers, fostering a culture of technical excellence.
Collaborate closely with product managers and UI/UX designers to translate complex requirements into elegant and efficient technical solutions.
Champion continuous integration/continuous deployment (CI/CD) practices and oversee automated cloud deployments on platforms like AWS/GCP.
Actively utilize AI-powered development tools such as GitHub Copilot, Devin, Claude Code, and Cursor to accelerate development, improve code quality, and assist in debugging and refactoring efforts.
Contribute to the design and implementation of AI/ML integration patterns within applications, understanding the lifecycle of LLM-powered features.
Explore and integrate new AI technologies and frameworks to enhance application capabilities and developer productivity.

Skills

Backend: Advanced proficiency in Core Java, Spring Boot, microservices architecture, and asynchronous programming. Experience with performance tuning and optimization.
Databases: Extensive experience with relational (SQL Server, PostgreSQL, Oracle) and non-relational (MongoDB, Cassandra) databases, including schema design, query optimization, and data migration strategies.
Frontend: Experience in developing application using JavaScript (ES6+), TypeScript, and modern frameworks (e.g., React or Angular) will be plus.
DevOps & Cloud: Experience working with Docker, Kubernetes, and experience with cloud platforms (e.g., AWS, Azure, GCP, OpenShift).
Version Control: Expert-level knowledge of Github and branching strategies.
AI/ML & Tooling:
- Demonstrated experience with AI-powered development tools (e.g., GitHub Copilot, Devin, Claude Code, Cursor) for code generation, debugging, and refactoring.
- Fundamental understanding of Large Language Models (LLMs) and their application in software development is a plus.
- Proficiency in Python for scripting, data processing, and integration with AI/ML frameworks will be a huge plus.
Soft Skills: Exceptional problem-solving abilities, strong communication, technical leadership, mentorship, and a proactive approach to continuous learning and innovation.

Experience

6+ years of professional software engineering experience, with at least 3 years focused on modern full-stack development.
Proven track record of successfully designing, deploying, and maintaining high-scale, customer-facing applications in production environments.
Experience taking ownership of key project areas, driving technical initiatives, and leading cross-functional teams.
Prior experience integrating or working with AI/ML components or services is highly desirable.

Education

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or an equivalent technical field.

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Primary Location Full Time Salary Range:

$120,800.00 - $170,800.00

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

Senior Java Developer – Vice President

Java Full Stack Developer - React JS - Assistant Vice President

Lead Full Stack Developer (Java/Python)

Senior Full-Stack Software Developer1024

Principal Software Developer

GIS Developer

Senior Full Stack Developer, Research Technology

Software Engineer — Notification Hub & Experience

Member of Technical Staff - ML Operations

AI Full Stack Builder

Principal Software Architect

Quality Analyst - SCM