Full Stack Engineer About the Role We are seeking an Full Stack Engineer to design, develop, deploy, and support AI-powered applications using modern large language model (LLM) technologies. You will ...
Full Stack Engineer About the Role We are seeking an Full Stack Engineer to design, develop, deploy, and support AI-powered applications using modern large language model (LLM) technologies. You will ...
Full Stack Engineer
Dundas, ON · On-site
As Full Stack Engineer, you'll be reporting to the IT Manager, and be part of the IT team that is responsible for maintaining and extending current systems along with the development of new modules ...
Quick apply
Full Stack Engineer
Dundas, ON · On-site
As Full Stack Engineer, you'll be reporting to the IT Manager, and be part of the IT team that is responsible for maintaining and extending current systems along with the development of new modules ...
Full Stack Engineer
CA$130K - CA$150K/yr
Machina Labs is seeking a Full Stack Engineer to join our software team and help build the systems that power our robotic sheet metal forming platform. In this role, you'll bridge the gap between the ...
Full Stack Engineer
CA$130K - CA$150K/yr
Machina Labs is seeking a Full Stack Engineer to join our software team and help build the systems that power our robotic sheet metal forming platform. In this role, you'll bridge the gap between the ...
Full Stack Engineer
Toronto, ON · On-site
As our Full Stack Engineer, you will: Deliver and support client connectivity products/services end-to-end: inception, build, testing, release and production support, flexing across activities as ...
Full Stack Engineer
Toronto, ON · On-site
As our Full Stack Engineer, you will: Deliver and support client connectivity products/services end-to-end: inception, build, testing, release and production support, flexing across activities as ...
Full-Stack Engineer III
Toronto, ON · Hybrid
CA$125K/yr
Full-Stack Engineer III Location: Toronto (Onsite/ Hybrid) Job Type: Full-Time Hiring Timeline: Immediate Reporting Line: Head of R&D Existing Vacancy: Yes Application Deadline: Open until Filled ...
Full-Stack Engineer III
Toronto, ON · Hybrid
CA$125K/yr
Full-Stack Engineer III Location: Toronto (Onsite/ Hybrid) Job Type: Full-Time Hiring Timeline: Immediate Reporting Line: Head of R&D Existing Vacancy: Yes Application Deadline: Open until Filled ...
You will have hands on commercial experience as a Full Stack engineer working with the following: \n \n \n * Core Java & Java EE \n * JavaScript \/ TypeScript \n * ReactJS OR VueJS \n * CSS4 & HTML5 ...
You will have hands on commercial experience as a Full Stack engineer working with the following: \n \n \n * Core Java & Java EE \n * JavaScript \/ TypeScript \n * ReactJS OR VueJS \n * CSS4 & HTML5 ...
Senior Full Stack Engineer
Toronto, ON · On-site +1
CA$132K - CA$181K/yr
We are seeking a Senior Full Stack Engineer to help build and scale Mattermost's core web platform for teams operating in defense and critical infrastructure sectors. You will contribute across our ...
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Senior Full Stack Engineer
Toronto, ON · On-site +1
CA$132K - CA$181K/yr
We are seeking a Senior Full Stack Engineer to help build and scale Mattermost's core web platform for teams operating in defense and critical infrastructure sectors. You will contribute across our ...
New
Senior Full Stack Engineer
Toronto, ON · Hybrid
CA$120K - CA$145K/yr
We are looking for a Senior Full Stack Engineer to help design, build, and support modern technology solutions for an asset management firm. This role will work closely with Trading, Operations ...
Senior Full Stack Engineer
Toronto, ON · Hybrid
CA$120K - CA$145K/yr
We are looking for a Senior Full Stack Engineer to help design, build, and support modern technology solutions for an asset management firm. This role will work closely with Trading, Operations ...
Full Stack Engineer
Toronto, ON · On-site
We are looking for an accountable and driven Full Stack Engineer to join Global Wealth Management Technology (GWMT) - where we develop and modernize the technology that powers the Global Wealth ...
Full Stack Engineer
Toronto, ON · On-site
We are looking for an accountable and driven Full Stack Engineer to join Global Wealth Management Technology (GWMT) - where we develop and modernize the technology that powers the Global Wealth ...
Senior Full Stack Engineer
Toronto, ON · On-site
Role Overview We're looking for a Senior Full Stack Engineer who is excited to build products in a new way. This is not just a role for someone who wants to add AI features to an existing product. We ...
Senior Full Stack Engineer
Toronto, ON · On-site
Role Overview We're looking for a Senior Full Stack Engineer who is excited to build products in a new way. This is not just a role for someone who wants to add AI features to an existing product. We ...
Senior Full Stack Engineer
Toronto, ON · Remote
$125K - $155K/yr
Our client is seeking a Senior Full-Stack Engineer to play a key role in designing, developing, and scaling modern web applications. This position offers the opportunity to influence technical ...
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Senior Full Stack Engineer
Toronto, ON · Remote
$125K - $155K/yr
Our client is seeking a Senior Full-Stack Engineer to play a key role in designing, developing, and scaling modern web applications. This position offers the opportunity to influence technical ...
Senior Full-Stack Engineer, AI Platform The Opportunity Chubb's AI Platform team is building an enterprise AI platform that powers RAG-based search, document intelligence, and AI-assisted workflows ...
Senior Full-Stack Engineer, AI Platform The Opportunity Chubb's AI Platform team is building an enterprise AI platform that powers RAG-based search, document intelligence, and AI-assisted workflows ...
Execute full-stack engineering tasks utilizing Python (RESTful APIs using Flask and FastAPI with extensive use of SQLAlchemy and Pydantic), React and TypeScript. * Design and build proprietary ...
Execute full-stack engineering tasks utilizing Python (RESTful APIs using Flask and FastAPI with extensive use of SQLAlchemy and Pydantic), React and TypeScript. * Design and build proprietary ...
... SME / Full Stack Engineer to join our IT team. In this role, you will lead the design, development, and deployment of AI-powered solutions built on the Microsoft Azure platform, while also ...
... SME / Full Stack Engineer to join our IT team. In this role, you will lead the design, development, and deployment of AI-powered solutions built on the Microsoft Azure platform, while also ...
Senior Full Stack Engineer - PricingCenter
Toronto, ON · On-site
CA$126K - CA$157K/yr
Execute full-stack engineering tasks utilizing Python (RESTful APIs using Flask and FastAPI with extensive use of SQLAlchemy and Pydantic), React and TypeScript. * Design and build proprietary ...
Senior Full Stack Engineer - PricingCenter
Toronto, ON · On-site
CA$126K - CA$157K/yr
Execute full-stack engineering tasks utilizing Python (RESTful APIs using Flask and FastAPI with extensive use of SQLAlchemy and Pydantic), React and TypeScript. * Design and build proprietary ...
We're currently hiring a senior Full Stack Software Engineer to join our Acquisitions and Activation Team . This team owns the crucial first impressions of the Auth0 ecosystem. We apply rigorous ...
We're currently hiring a senior Full Stack Software Engineer to join our Acquisitions and Activation Team . This team owns the crucial first impressions of the Auth0 ecosystem. We apply rigorous ...
Lead Full Stack Engineer
Toronto, ON · Hybrid
We are seeking a talented Full Stack Engineer to design, build, and maintain scalable applications in our Global Wealth Management Technology (GWMT) organization. You will work across the entire ...
Lead Full Stack Engineer
Toronto, ON · Hybrid
We are seeking a talented Full Stack Engineer to design, build, and maintain scalable applications in our Global Wealth Management Technology (GWMT) organization. You will work across the entire ...
Senior Full Stack Engineer, AI
Toronto, ON · On-site
About the Role Big Viking Games is hiring a Senior Full Stack Engineer to build AI-enabled products, workflows, tools, and systems that help turn creative direction into production-ready game content ...
Senior Full Stack Engineer, AI
Toronto, ON · On-site
About the Role Big Viking Games is hiring a Senior Full Stack Engineer to build AI-enabled products, workflows, tools, and systems that help turn creative direction into production-ready game content ...
You will have hands on commercial experience as a Full Stack engineer working with the following: \n \n \n \n \n \n * Core Java & Java EE \n * JavaScript \/ TypeScript \n * ReactJS OR VueJS \n * CSS4 ...
You will have hands on commercial experience as a Full Stack engineer working with the following: \n \n \n \n \n \n * Core Java & Java EE \n * JavaScript \/ TypeScript \n * ReactJS OR VueJS \n * CSS4 ...
Senior Full Stack Engineer, AI
Toronto, ON · On-site
About the Role Big Viking Games is hiring a Senior Full Stack Engineer to build AI-enabled products, workflows, tools, and systems that help turn creative direction into production-ready game content ...
Quick apply
Senior Full Stack Engineer, AI
Toronto, ON · On-site
About the Role Big Viking Games is hiring a Senior Full Stack Engineer to build AI-enabled products, workflows, tools, and systems that help turn creative direction into production-ready game content ...
Freelance Full Stack Engineer information
What are the key skills and qualifications needed to thrive as a freelance full stack engineer?
What are some common challenges faced by freelance full stack engineers when managing multiple projects simultaneously?
What is the difference between Freelance Full Stack Engineer vs Freelance Front End Developer?
| Aspect | Freelance Full Stack Engineer | Freelance Front End Developer |
|---|---|---|
| Skills | Proficient in both front-end and back-end technologies (e.g., HTML, CSS, JavaScript, Node.js, databases) | Specializes in front-end technologies (e.g., HTML, CSS, JavaScript, frameworks like React or Angular) |
| Work Environment | Handles entire project development, often working on both client and server sides | Focuses on user interface and experience, primarily on the client side |
| Common Usage | Used in projects requiring full-stack development, versatile roles | Used in projects emphasizing UI/UX design and front-end features |
Freelance Full Stack Engineers have a broader skill set covering both front-end and back-end development, enabling them to manage entire projects. Freelance Front End Developers specialize in creating engaging user interfaces. The choice depends on project scope and required expertise.
What does a freelance full stack engineer do?

Full-time
Posted 12 days ago
Job description
Job Description Full Stack Engineer About the Role We are seeking an Full Stack Engineer to design, develop, deploy, and support AI-powered applications using modern large language model (LLM) technologies. You will work as part of a collaborative DevOps team, delivering production-ready solutions while contributing to automation, continuous improvement, and operational excellence. Responsibilities Design, develop, test, deploy, and support AI applications throughout the software development lifecycle.
Build LLM-based solutions, including AI agents, Retrieval-Augmented Generation (RAG), and multi-step workflows. Develop and integrate RESTful APIs and backend services. Collaborate with cross-functional teams to deliver business requirements using iterative development.
Support production systems, troubleshoot issues, and contribute to continuous improvement. Identify and address technical debt while delivering new functionality. Write automated unit tests and contribute to CI/CD and DevOps practices.
Participate in code reviews, knowledge sharing, and team collaboration. Required Qualifications: 3+ years of software engineering experience. Strong Python development skills.
Experience with LLM application development, including AI agents, RAG, prompt engineering, and tool/function calling. Experience with LangChain, LangGraph, or similar LLM orchestration frameworks. Strong SQL skills and experience designing RESTful APIs.
Experience with cloud-based LLM platforms (e.g., Azure OpenAI or equivalent). Familiarity with LLM observability tools such as LangFuse or LangSmith. Strong analytical and problem-solving skills
Experience writing unit tests and supporting production applications. Preferred Qualifications Experience with Parquet, DuckDB, or other analytical databases. Familiarity with LiteLLM or multi-LLM routing frameworks.
Working knowledge of Java and Unix/Linux environments. Experience with CI/CD and Agile/DevOps practices.