toronto, on senior full stack developer (java) Jobs – 105 Openings This Week

Fullstack Developer
TalentSphere —Mississauga, ON
- $100,000–$125,000 a year
- Computer Science
- DevOps
- Engineering
Quick apply
21h
Sr Software Engineer - Core Backend & Platform Engineering
Basis —Toronto, ON
- $119,051–$160,000 a year
- Full-time
- Remote
- Java
- AWS
- JavaScript
Quick apply
Market Data Sr Developer - Python and .Net - Assistant Vice President
Citi —Mississauga, ON
- $94,300–$141,500 a year
- Full-time
- Hybrid work
- Azure
- Oracle
- Computer Science
Senior Software Developer (AOSP)
Syntronic —Oakville, ON
- $100,000–$124,000 a year
- Full-time
- Java
- C++
- Bachelor's
Quick apply
Applications Development Sr Programmer Analyst Assistant Vice President
Citi —Mississauga, ON
- $94,300–$141,500 a year
- Full-time
- Hybrid work
- Oracle
- Java
- Databases
Senior Android Engineer
Source Code —Toronto, ON
- $90,000–$117,200 a year
- Full-time
- Java
- APIs
Quick apply
Sr. MindBreeze Developer
Tata Consultancy Services —Toronto, ON
- $90,000–$110,000 a year
- Java
- Python
Senior Site Reliability Engineer
iManage —Toronto, ON
- Full-time
- Hybrid work
- Azure
- Engineering
- Java
- Dental care
- Paid time off
Quick apply

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Fullstack Developer
TalentSphere —Mississauga, ON
This role combines backend development, modern web applications, and mobile solutions, supporting products that connect industrial devices, data, and customers…
$100,000–$125,000 a year
Quick apply
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Fullstack Developer
TalentSphere —Mississauga, ON
This role combines backend development, modern web applications, and mobile solutions, supporting products that connect industrial devices, data, and customers…
$100,000–$125,000 a year
Quick apply
21h
Market Data Sr Developer - Python and .Net - Assistant Vice President
Citi —Mississauga, ON
Education: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field. The ideal candidate is a passionate technologist with a…
$94,300–$141,500 a year

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Fullstack Developer

TalentSphere
Mississauga, ON

Quick apply

Job details

21 hours ago

Benefits

RRSP match

Skills

CI/CD
Kotlin
Cloud architecture
Node.js
Computer Science
CSS
Software Engineering
React
Full-stack development
DevOps
Mobile applications
Engineering
iOS
Git
Responsive design
Android
Java
Databases
Database design
AWS
Flutter
Bachelor's
JavaScript
PostgreSQL
Terraform
REST
UX
Software development
GitHub
APIs
GraphQL
Data visualization
DynamoDB
Swift
AI
Android development
Figma
TypeScript
React Native
HTML
Identity & access management

Full job description

Senior Full Stack Developer

Location: Mississauga, ON (Onsite)
Industry: Industrial Manufacturing / Industrial IoT

Compensation: $100,000–$125,000 plus RRSP matching, comprehensive benefits, and a collaborative team environment.

About the Opportunity

Our client is seeking a Senior Full Stack Developer to help design, build, and scale a cloud-native Industrial IoT platform on AWS. This role combines backend development, modern web applications, and mobile solutions, supporting products that connect industrial devices, data, and customers in real time.

The ideal candidate is a hands-on developer who enjoys solving complex technical challenges, working across the full software development lifecycle, and contributing to the architecture of scalable, cloud-based systems.

Key Responsibilities

Full Stack Development

Design, develop, test, and maintain cloud-native applications and services.
Build scalable backend services using Node.js, JavaScript, and TypeScript.
Develop responsive web applications using React and modern frontend technologies.
Contribute to cross-platform mobile applications using React Native and Flutter, with exposure to native iOS and Android development.

Cloud & Platform Engineering

Design and implement secure RESTful and GraphQL APIs.
Develop solutions leveraging AWS services including IoT Core, Lambda, API Gateway, AppSync, DynamoDB, Kinesis, and related technologies.
Support system architecture, performance optimization, scalability, and security initiatives.
Participate in system design and technical architecture discussions.

Data & Analytics

Design and maintain solutions using PostgreSQL, Aurora PostgreSQL, and DynamoDB.
Build dashboards, reporting tools, and customer-facing applications that provide actionable insights from IoT data.
Optimize database performance, data models, and application integrations.

Collaboration & Delivery

Work closely with product managers, designers, QA, and engineering teams to define and deliver business requirements.
Participate in code reviews and promote software engineering best practices.
Create and maintain technical documentation for systems, APIs, and development processes.
Contribute to continuous improvement initiatives across development, deployment, and operational processes.

Qualifications

Education & Experience

Bachelor's degree in Computer Science, Software Engineering, or a related discipline.
5+ years of full stack software development experience.
Experience building and deploying cloud-native applications in AWS environments.

Backend Development

Strong experience with Node.js, JavaScript, and TypeScript.
Experience designing and developing RESTful APIs; GraphQL experience is an asset.
Experience with AWS serverless technologies including Lambda, API Gateway, AppSync, IoT Core, Kinesis, and EventBridge.

Frontend Development

Proficiency in React and TypeScript.
Strong knowledge of HTML5, CSS3, and modern JavaScript frameworks.
Experience with state management, responsive design, and data visualization tools.

Mobile Development

Experience developing cross-platform applications using React Native and/or Flutter.
Working knowledge of Swift (iOS) and Java/Kotlin (Android) development is preferred.
Experience publishing and maintaining mobile applications is considered an asset.

Databases & Cloud Technologies

Experience with PostgreSQL, Aurora PostgreSQL, and DynamoDB.
Strong understanding of database design, query optimization, and data modeling.
Familiarity with AWS infrastructure, IAM, and cloud-native architecture principles.

Tools & Best Practices

Proficiency with Git, VS Code, Postman, and modern development workflows.
Experience with CI/CD pipelines and DevOps practices.
Familiarity with Infrastructure as Code tools such as CloudFormation, CDK, or Terraform.
Experience with AI-assisted development tools such as GitHub Copilot, Cursor, or Claude is an asset.
AWS certifications are considered an asset.

Design & User Experience

Experience working with Figma and implementing modern UI/UX designs.
Understanding of responsive design principles, accessibility standards (WCAG), and mobile design guidelines.
Ability to build reusable component libraries and maintain consistent user experiences across web and mobile platforms.

Quick apply

Refine Your Search

senior full stack developer (java) jobs in toronto, on

Fullstack Developer

Sr Software Engineer - Core Backend & Platform Engineering

Market Data Sr Developer - Python and .Net - Assistant Vice President

Senior Software Developer (AOSP)

Applications Development Sr Programmer Analyst Assistant Vice President

Senior Android Engineer

Sr. MindBreeze Developer

Senior Site Reliability Engineer

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