Position: Senior Frontend Developer (Lead FE) Location: North York, ON - Hybrid Salary: Up to $110,000 CAD Posting Type: Open vacancy Our client is building the next generation of intelligent energy management solutions - combining real-time energy data, AI-powered insights, and modern user experiences to help consumers better understand and optimize their energy consumption. They are looking for a Senior Frontend Developer to take ownership of the frontend ecosystem and help shape the future of their platform. This is a high-impact opportunity to work on meaningful products at the intersection of AI, sustainability, IoT, and modern web technologies. You’ll play a key role in transforming complex energy and billing data into intuitive, elegant, and high-performance user experiences across web and mobile platforms. What You’ll Be Doing: Frontend Leadership & Architecture Lead frontend development and architecture across: Customer client portal, Admin platform, Mobile experiences Drive frontend standards, component architecture, and design consistency Collaborate closely with backend engineering and product stakeholders UI/UX & Product Experience Design wireframes, prototypes, and polished user interfaces Translate complex workflows and energy data into intuitive user experiences Develop responsive, high-performance interfaces across desktop and mobile platforms Contribute to user research, usability improvements, and design iteration AI-Powered User Experiences Build interfaces for AI-generated customer insights and recommendations Create interactive "Human-in-the-Loop" experiences for AI-driven features Help shape the UX strategy around AI-assisted workflows and insights Performance & Scalability Build reusable frontend components and scalable UI systems Optimize application performance for data-heavy visualizations and real-time updates Support deployment strategies for web-to-mobile applications Technical Environment Core Technologies React / Next.js (primary) Vue.js (nice-to-have) Tailwind CSS Shadcn/ui Ionic Vuex / React Context API Capacitor (iOS/Android) REST APIs DevOps & Delivery Docker GitHub Actions (CI/CD) GitHub version control What We’re Looking For: Required Qualifications 5+ years of frontend development experience Strong expertise with React / Next.js, JavaScript (ES6+), HTML5 / CSS3 Experience building responsive and scalable frontend applications Strong UI/UX instincts with experience in wireframing, prototyping, design systems Experience consuming RESTful APIs and handling asynchronous data flows Ability to thrive in a collaborative, fast-paced engineering environment Preferred Experience Experience with Vue.js Experience in Energy tech, Fintech, data visualization platforms Familiarity with containerized deployments and modern frontend pipelines Exposure to AI/LLM-driven product experiences Understanding of Privacy by Design and protecting PII at the UI layer What Makes This Opportunity Unique Work on real-world AI applications and intelligent customer experiences Influence frontend architecture and product direction from an early stage Build products that support sustainability and smarter energy consumption Join a lean, highly collaborative team where your contributions have immediate impact Fast-moving environment with strong ownership and autonomy Compensation & Benefits Group benefits Vacation included If you’re passionate about building exceptional frontend experiences and excited by the opportunity to work on AI-driven products with real-world impact, we’d love to connect. #J-18808-Ljbffr