Systango Technologies Limited (NSE: SYSTANGO) is a digital engineering company that offers enterprise\-class IT and product engineering services to different size organizations. At Systango, we have a culture of efficiency \- we use the best\-in\-breed technologies to commit quality at speed and world\-class support to address critical business challenges. We leverage Gen AI, AI/Machine Learning and Blockchain to unlock the next stage of digitalization for traditional businesses. Our handpicked team is adept at web \& enterprise development, mobile apps, QA and DevOps. Sila, Cuentas, Youtility, Porsche, MGM Grand, Deloitte, Grindr, and Tawk.to are some of the top clients that have entrusted us to enhance their digital capabilities and build disruptive innovations. We believe in making the impossible, possible and we do it literally. **About the Role**
Systango is looking for a highly experienced Frontend Lead Engineer with deep expertise in React.js, Next.js, TypeScript, and scalable frontend architecture to lead the development of enterprise\-grade digital products across AI, SaaS, FinTech, Web3, and high\-scale platforms.
The ideal candidate should possess strong hands\-on coding expertise, frontend architecture ownership, production debugging capabilities, and the ability to lead engineering decisions across teams and projects.
This role requires strong expertise in: **Frontend scalability*** Rendering optimization
- System design
- State management architecture
- CI/CD \& deployment workflows
- Modern AI\-assisted development environments
The engineer should be comfortable mentoring developers, reviewing architecture decisions, handling production performance bottlenecks, and delivering scalable frontend systems. **Key Responsibilities*** Frontend Architecture \& Development
- Architect and develop scalable frontend systems using React.js and Next.js
- Design reusable, modular, and enterprise\-grade component systems
- Build high\-performance applications optimized for scalability, SEO, and maintainability
- Implement SSR, ISR, SSG, CSR, streaming, caching, and hydration optimization strategies
- Drive frontend architecture decisions across projects
- *React \& Next.js Expertise*** Lead implementation using React Hooks, Server Components, App Router, middleware, layouts, and route handlers
- Optimize rendering performance, bundle size, and application loading strategies
- Solve complex frontend performance issues involving re\-renders, memory leaks, hydration mismatches, and async rendering
- Build scalable frontend state architectures using Redux Toolkit, Zustand, React Query, Context API, etc.
- *Engineering Excellence*** Conduct code reviews and enforce frontend engineering standards
- Lead debugging and production incident resolution
- Define scalable folder structures, reusable architecture patterns, and frontend best practices
- Improve application Lighthouse/Core Web Vitals performance
- Mentor frontend engineers and guide technical growth
- *AI\-Assisted Development Workflow*** Work effectively with AI\-assisted engineering tools such as Cursor, Claude Code, ChatGPT, GitHub Copilot, or similar
- Improve developer productivity through responsible GenAI\-assisted workflows
- Validate, optimize, and refactor AI\-generated code while maintaining engineering quality standards
- Participate in modern AI\-first software development workflows
- *DevOps \& Deployment*** Work with Dockerized frontend deployments and CI/CD pipelines
- Understand Vercel, AWS, CloudFront, CDN caching, frontend deployment optimization, and release management
- Collaborate with DevOps teams on production infrastructure and deployment workflows
- *Required Skills*** 6–10 years of frontend engineering experience
- Strong expertise in React.js and Next.js
- Strong JavaScript (ES6\+) and TypeScript fundamentals
- Deep understanding of React rendering lifecycle and optimization
- Strong experience with Redux Toolkit / Zustand / React Query
- Experience building scalable frontend architectures
- Strong debugging and problem\-solving capabilities
- Good understanding of SSR, ISR, SSG, CSR, caching, hydration, and SEO optimization
- Strong experience integrating REST APIs and async workflows
- Experience with Tailwind CSS, scalable design systems, and responsive UI engineering
- Familiarity with CI/CD pipelines, Docker, and deployment workflows
- Experience mentoring engineers and leading frontend modules/projects
- *Preferred Skills*** Experience with AI\-powered products or GenAI integrations
- Experience with Web3/blockchain applications
- Familiarity with Node.js backend systems
- Experience with frontend observability/performance monitoring
- Experience with testing frameworks like Jest, Cypress, Playwright
- Familiarity with AWS/Vercel production environments
- *Soft Skills*** Strong technical communication and stakeholder management
- Ownership\-driven mindset
- Strong mentoring and leadership capabilities
- Analytical problem\-solving approach
- Ability to work in fast\-paced product engineering environments
React.js • Next.js • TypeScript • Redux Toolkit • Zustand • React Query • Tailwind CSS • Node.js • AWS • Docker • CI/CD • Vercel • Cursor • Claude Code • GenAI\-assisted Development