React.js Developer

We are looking for a Senior Software Engineer with 5+ years of experience to lead the development of scalable ecommerce storefronts and AI-powered commerce solutions. You will drive technical delivery, mentor engineers, and build high-performance customer experiences capable of supporting large-scale traffic and business-critical events.

Responsibilities:

• Lead end-to-end delivery of complex engineering initiatives.
• Design scalable, maintainable, and high-performance software solutions.
• Build modern frontend applications using React, Astro, and TypeScript.
• Define and review application architecture and technical designs.
• Optimise applications for Core Web Vitals, accessibility, and scalability.
• Drive engineering best practices around testing, performance, and code quality.
• Mentor Software Engineers through code reviews and technical guidance.
• Lead technical discussions and influence architectural decisions.
• Own production systems, incident management, and platform reliability.
• Partner with Product, UX, Data, and Backend teams to deliver customer-centric solutions.
• Champion AI-assisted software development and emerging AI capabilities.

Requirements:

• 5+ years of professional software engineering experience.
• Proven experience delivering scalable production systems.
• Experience leading technical initiatives and mentoring engineers.
• Experience working in high-traffic, performance-sensitive environments.

Frontend Development:

• Expert knowledge of React.js, Astro, JavaScript, and TypeScript.
• Strong experience with Tailwind CSS.
• Deep understanding of Core Web Vitals and frontend performance optimisation.
• Strong knowledge of WCAG accessibility standards.
• Extensive experience with GraphQL APIs.
• Experience building headless/composable commerce solutions.
• Experience with Cloudflare Workers and Cloudflare Pages.

AI and Cloud:

• Hands-on experience building AI-powered or LLM-based applications.
• Experience with Google ADK, LangChain, Semantic Kernel, or similar orchestration frameworks.
• Python backend development experience.
• Strong knowledge of Google Cloud Platform (GCP).
• Understanding of AI safety, hallucination monitoring, and LLM observability.

Engineering and DevOps:

• Strong Git and CI/CD experience.
• Experience with testing strategies and automation.
• Monitoring, logging, and production support.
• Agile software development methodologies.
• Strong system design and architecture skills.

Business and Leadership:

• Technical leadership and mentoring.
• Data-driven decision-making.
• Experience with A/B testing and experimentation.
• Strong stakeholder management and cross-functional collaboration.

Nice to Have:

• Fastly/VCL
• Cloudflare Workers and KV
• Technical SEO
• Multi-tenant storefront architecture
• Conversational AI SDKs
• Conversion Rate Optimisation (CRO)
• Edge Computing
• Headless Commerce Platforms

Preferred Candidate Profile:

• Strong ownership mindset.
• Excellent communication and leadership skills.
• Passion for modern web technologies and AI innovation.
• Ability to mentor and grow engineering teams.
• Customer-first approach with a focus on quality and scalability.
• Comfortable working in fast-paced Agile environments.

Key Technologies:

• Frontend: React.js, Astro, JavaScript, TypeScript, Tailwind CSS.
• Backend: Python, GraphQL.
• Cloud: Google Cloud Platform, Cloudflare Workers, Cloudflare Pages.
• AI: Google ADK, LangChain, Semantic Kernel, LLMs.
• Architecture: Headless Commerce, Composable Commerce, Edge Computing.
• DevOps: Git, CI/CD, Monitoring, Agile.