Toronto, On Full stack java / api developer Jobs – 109 Openings This Week

Software Developer – Full Stack
Softline Technology —Toronto, ON
- Contract
- Maintenance
- Java
- SQL
15h
Lead AI Engineer, Banking Technology - Senior Vice President
Citi —Mississauga, ON
- $145,100–$217,700 a year
- Full-time
- Hybrid work
- Computer Science
- System design
- Master's degree
Sr. Software Engineer, Backend
Pinterest —Toronto, ON
- Hybrid work
- Computer science
- Computer Science
- Java
Senior AWS Lambda (Java) Developer
Play Hockey —Canada
- From $80,000 a year
- Full-time
- Remote
- Computer Science
- DevOps
- Java
- Disability insurance
- Dental care
Quick apply
Principal Associate Software Engineer - International Card Tech - Full-Stack
Capital One —Toronto, ON
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Java
7h

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Intern, Full Stack Software Engineer - Fall 2026
Capital One —Toronto, ON
The team will contribute to requirements definition, frontend UI development, backend design and implementation, and high-level system architecture.
7h
Full Stack Software Engineer, Officer
State Street —Toronto, ON
Experience with web UI development using React, API development using Spring Boot, containerization and orchestration using Docker and Kubernetes, event…
$67,000–$109,750 a year

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Senior AWS Lambda (Java) Developer
Play Hockey —Canada
Play Hockey offers a competitive compensation package, benefits program, remote work, and a fun yet challenging work environment. Pay: From $80,000.00 per year.
From $80,000 a year
Quick apply

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Software Developer – Full Stack

Softline Technology
Toronto, ON

Apply Now

Job details

Contract
15 hours ago

Qualifications

Jira
TensorFlow
Authentication
Responsive design
Performance tuning
Software engineering
Data integration
Cloud architecture
Node.js
CSS
React
RESTful API
PyTorch
Kanban
Software deployment
Tomcat
Coaching
.NET Core
C#
Encryption
Microsoft SQL Server
Maintenance
Technical support
Web design and UX experience
Weblogic
Data and database experience
Java
SOAP
SQL
Machine learning
Containerization
Decision making
Requirements analysis
Continuous integration
Redis
Back-end development
Mentoring
Query optimization
Angular
OpenCV
Scrum
Model training
React.js
Unit testing
AI
Requirements gathering
Model evaluation
Software development or architecture experience
Communication skills
Information management
Software architecture
Negotiation
Debugging
HTML
Design patterns

Full job description

Description

Responsibilities

Design, implement, and continuously expand data pipelines by performing extraction, transformation, and loading activities.

Required to translate technical systems specifications into working, tested applications. This includes developing detailed programming specifications, writing and/or generating code, compiling data-driven programs, maintaining, and conducting unit tests.

Resolves and troubleshoots technical problems which arise during the use and operation of software packages, including technical assistance in implementation, conversion and migrations.

General Skills

Experience in programming and analysis; specialized software package support at the specified experience level

Ability to collaborate with IT Professionals throughout the Software Development Life Cycle

Experience in structured methodologies for the development, design, implementation and maintenance of applications

Experience in design, code, test, debug and document applications

Experience in the use of object and/or third generation language development tools

Experience in one or more programming languages

Experience in application design, latest design patterns, deployment and troubleshooting

Experience with relational and hierarchical database technologies

Experience in the use of information retrieval packages using query languages

Experience with one or more communications protocols

Experience in structured methodologies for the design, development, implementation and maintenance of applications

Experience eliciting and documenting information from diverse business area stakeholders and subject matter experts

Experience with application architecture, front-end & back-end integration, API development

Excellent analytical, problem-solving and decision-making skills; verbal and written communication skills; interpersonal and negotiation skills

A team player with a track record for meeting deadlines

Full Stack Skills

Proficient with both front end and back end development, including any associated areas such as database design/management and DevOps

Knowledge and experience with design and implementation of the overall web architecture

Experience with implementation of approved user interface, design and deployment of database

Knowledge and experience ensuring the entire stack is designed and built for speed and scalability

Knowledge and experience with the design and construction of REST API services

Knowledge and experience integrating front-end UI with the constructed API

Knowledge and experience in design and implementation of continuous integration and deployment

Desirable Skills

Knowledge and experience with programming Internet-ready applications

Knowledge and experience in rapid application development (RAD) methodologies

Knowledge and understanding of Information Management principles, concepts, policies and practices

Experience with middleware and gateways

Experience reviewing, analyzing, and modifying product installation scripts including encoding, testing, debugging

Ability to provide post-implementation support and resolve any post-implementation technical issues

Experience conducting design walkthrough sessions with project team

Knowledge and understanding of Accessibility for Ontarians with Disability Act (AODA) and related regulations and standards

Ability to provide user and system documentation as required

High level of knowledge around the Angular framework and JavaScript.

High level knowledge of front-end interfaces.

Strong knowledge of RESTful APIs and good understanding of Swagger files.

Demonstrated ability to create self-contained, reusable, and testable modules and components that build on the elements and modules of core AngularJS.

Experience creating, designing, and implementing layouts for new and existing web pages. Excellent knowledge of front-end web programming languages, such as HTML, CSS, JavaScript, and AngularJS, with ability to render server-side and client-side content.

Experience designing user interactions on websites, developing servers and databases for website functionality and coding for mobile platforms.

Fundamental knowledge of UX/UI.

Experience ensuring front end code is able to query APIs.

Experience with Java WebLogic and Java programming for web applications (Tomcat, Weblogic), EJB, Servlet

Strong database skills and SQL skills (Oracle, SQL Server)

Experience / knowledge of REST, SOAP web services.

Experience / knowledge of Azure DevOps, JIRA, agile/scrum

Experience Requirements

Engineering Practices. Communication and Leadership – 10%

You are experienced senior member of development team, leading by example, taking ownership in design and delivery with strong track record for meeting deadlines

You have proven experience establishing and applying best engineering practices and standards.

You have experience working in Agile environment (Scrum, Kanban), collaborating closely with product managers, business analysts, and UX designers

You are invested in coaching and mentoring staff and fostering a culture of technical excellence

You have excellent analytical, problem-solving, and decision-making skills; verbal and written communication, interpersonal, and negotiation skills.

Technical Expertise and Full-Stack Proficiency – 55%

This category assesses your hands-on software development ability, deep knowledge across the entire software stack, and your proficiency with our core development technologies.

You have advanced proficiency in NextJS/ React.js (including NodeJS)

You have strong proficiency in modern Python development and a proven track record of designing and building RESTful APIs using FastAPI.

You have proven expertise with .NET Core Services/Web API, and C#

You have advanced knowledge of UI design, responsive design patterns and testable UI architecture.

You have strong understanding of Web Security, Public Security, 0Auth2.0, and JWT Authentication, and session management.

You possess expert knowledge of MS Azure SQL Server including DB encryption, tuning, stored procedures, triggers, user-defined functions, jobs, and query optimization.

You have experience with Cosmos DB, Redis cache and managed services.

You are familiar with Azure Key Vault for secure storage management.

Strong knowledge of application packaging and container-based deployments

You have strong working knowledge of Azure DevOps tools

You have demonstrated the ability to troubleshoot and resolve complex technical issues throughout development, implementation, conversion and deployment.

AI/ML Expertise – 15 %

You have direct experience with AI/ML development, deployment and integration.

You have hands-on experience with model training using TensorFlow and PyTorch.

You have experience in computer vision. You are proficient with OpenCV for image processing and computer vision tasks.

You have experience with computer vision model training and evaluation, tuning hyperparameters and evaluating model performance using metrics such as accuracy, precision, detection, etc.

Architecture and Design – 20%

You have experience and understanding of modern, cloud-based architecture.

You actively participate and own architecture and solution design and provide recommendations focused on the security, Web API, microservices, back-end and front-end layers

You have proven experience architecting complex applications, optimizing performance, and managing state effectively

You have strong experience in owning, designing and implementing reusable, and scalable components

You have hands-on experience with software architecture principles and patterns such as serverless architecture, Microservices, RESTful APIs.

Supplier Comments

Closing Date/Time: 2026-08-10, 12:00 p.m. EST

Max submission: 1 (one)

5 days onsite

From HM –

This is a full stack role – with Python, .net, Restful APIs, NXTJS and Front end tools.

Please do not submit candidates who do not qualify for the RQ – they will not be evaluated – there is no learning curve for this position.

10 pages Max resume.

Must Have:

You have advanced proficiency in NextJS/ React.js (including NodeJS)

You have strong proficiency in modern Python development and a proven track record of designing and building RESTful APIs using FastAPI.

You have proven expertise with .NET Core Services/Web API, and C#

You have advanced knowledge of UI design, responsive design patterns and testable UI architecture.

Nice to have:

3+ years of experience with relevant technology with ML models (area of computer vision)

Apply Now

Refine Your Search

full stack java / api developer jobs in toronto, on

Software Developer – Full Stack

Lead AI Engineer, Banking Technology - Senior Vice President

Sr. Software Engineer, Backend

Senior AWS Lambda (Java) Developer

Principal Associate Software Engineer - International Card Tech - Full-Stack

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