Job Description

You're a Full-Stack Developer, AI.

ChangeMakers brings together strategy, communications, marketing, and social impact under one roof. We partner with leaders in health, finance, technology, non-profit and public sector to help them anticipate, navigate, and create change. With momentum behind our integrated model, we are investing in innovation to build scalable products and AI-enabled solutions that set the agenda for our clients.



You combine full-stack development expertise with deep familiarity in modern AI and LLM-based systems. You play a central role in designing, building, and scaling intelligent applications that leverage the latest in generative AI, automation, and cloud-native architecture.



You are both a builder and an innovator--someone who can architect scalable systems, fine-tune LLM integrations, and ship production-ready features that transform how the organization operates. You work across the stack, from data pipelines to front-end interfaces, to create AI-powered products that are fast, secure, and beautifully designed.



Over the next one to two years, you will focus on building next-generation AI tools and infrastructure that power the organization's digital transformation and growth.

What are your responsibilities?

Full-Stack AI Application Development:

Design, develop, and deploy web-based AI applications across the stack - front end (e.g. React/Next.js), backend services (e.g. Node.js), data layer (e.g. PostgreSQL/Supabase), and cloud infrastructure (AWS/GCP/Azure).

AI/LLM Integration:

Build, fine-tune, and integrate large language models (OpenAI, Anthropic, etc.) into existing systems and workflows using APIs and custom pipelines.

Architecture & Infrastructure:

Develop scalable, secure systems leveraging cloud-native services, OAuth, CI/CD, serverless architecture, and modern DevOps practices.

Data Handling & Model Orchestration:

Design data schemas, handle embeddings, optimize API performance, and integrate vector databases or other retrieval systems as needed.

Automation & Backend Systems:

Create robust APIs, event-driven microservices, and automation logic to support AI-driven workflows.

UI/UX Collaboration:

Work closely with designers to implement seamless, responsive, and intuitive front-end experiences using Tailwind CSS and modern design frameworks.

AI Experimentation & R&D:

Prototype new ideas leveraging cutting-edge AI frameworks, evaluate emerging tools, and iterate rapidly to validate value and usability.

Security & Compliance:

Ensure secure authentication, data privacy, and proper governance for all AI features and user data.

Performance & Monitoring:

Implement observability tools and analytics to monitor system health, performance, and user interactions with AI features.

Cross-functional Collaboration:

Partner with client, strategy, and operations teams to align development with business priorities and innovation goals.

What type of person should I be?

5+ years of full-stack software development experience, with a track record of building production-ready web applications. Deep hands-on experience across the stack, e.g.: js, React, Node.js PostgreSQL, Supabase AWS, GCP, or Azure (GCP preferred) OAuth/Auth0, CI/CD pipelines Tailwind CSS Proven experience integrating or fine-tuning AI/LLM models (OpenAI API, Anthropic, Hugging Face, LangChain, etc.). Strong understanding of prompt engineering, context engineering, retrieval-augmented generation (RAG), and vector database concepts. Comfort working in a fast-paced, iterative environment with short development cycles. Strong architectural thinking and ability to translate business goals into technical solutions. Excellent problem-solving, debugging, and performance optimization skills. Working proficiency with TypeScript and/or Python is a plus. Passion for experimentation, innovation, and staying ahead of AI and web technology trends.

Why Join Us

Build end-to-end AI products that drive real-world transformation. Lead the technical evolution of our digital and AI capabilities. Work in an environment that values speed, experimentation, and impact. Access to cutting-edge AI tools, APIs, and infrastructure. A collaborative, future-focused culture where your ideas drive innovation.

We are ChangeMakers

ChangeMakers is a leading independent agency specializing in building purpose-driven brands and strategies that make a meaningful impact. With deep roots in brand strategy, creative, marketing, communications, and Indigenous engagement, our team works across Canada and beyond to help organizations grow and thrive in meaningful ways.

An equitable employer

ChangeMakers is committed to advancing equity, diversity, and inclusion in all its forms--a commitment that enriches our company culture, the ideas we generate, and the quality of service we provide our clients. We strongly encourage applications from Indigenous communities, racialized communities, women, persons with disabilities, LGBTQ2S+ people, and other historically marginalized groups. If you require accommodation during the recruitment process, we will work with you to meet your needs in accordance with human rights and accessibility legislation. At ChangeMakers, we understand that the ideal candidate may not meet every single requirement listed above. If you have relevant experience and a strong interest in the role, we encourage you to submit your application. We welcome creative thinkers and people who bring diverse lived experiences to our team.