Description : About the job :
Role : Tech Lead Full Stack.
Location : Chennai only.
Job Type : Full-Time (Remote).
Experience : Minimum 6 years mandatory.
Start Date : Immediate.
Screening Priority : Proven leadership and product development experience in startup environments.
About Ryuk Labs @CALSOFT :
Ryuk Labs(ryuklabs.io) is the R&D powerhouse driving innovation in the crypto and AI space with a track record of delivering 200+ cutting-edge products and services.
We specialise in creating transformative solutions and fostering strategic collaborations with leading platforms.
At Ryuk Labs, we combine emerging technologies with deep industry expertise to empower users and developers.
Our mission is to enable innovation, scalability and engagement across the blockchain ecosystem.
Role Overview :
We are looking for a highly experienced Full Stack Tech Lead to drive the development of scalable, production-ready applications.
This role demands deep technical expertise across the stack, hands-on coding ability and leadership experience in startups or high-growth environments.
The Tech Lead will not only architect and implement solutions but also mentor engineers, oversee code quality and contribute in projects from ideation to go-to-market (GTM).
Key Responsibilities :
- Lead and mentor a team of full stack developers, guiding architectural decisions and best practices.
- Design and implement end-to-end production-grade solutions with a focus on performance, scalability, and security.
- Drive technical strategy, technology selection, and implementation plans in collaboration with product and business teams.
- Participate in GTM planning, providing technical insights for product launches and integrations.
- Conduct code reviews, enforce coding standards and ensure maintainability across projects.
Required Qualifications :
6+ years of experience in full stack development with hands-on production deployments.Strong React.js + TypeScript expertise.Advanced Node.js (Express.js / NestJS) backend skills with API design and architecture experience.Deep understanding of MongoDB including schema design, query optimisation and indexing strategies.Proven experience with JWT / OAuth authentication and secure token management.Strong debugging, error handling and performance tuning skills for both frontend and backend.Experience managing environment variables securely across frontend and backend.Prior startup experience with multi-company exposure, delivering production-ready products.Solid experience with Git, code reviews and collaboration workflows.Required Tech Stack :
Frontend : React.js, TypeScript, modern state / data libraries (Redux, Zustand, React Query, SWR).Backend : Node.js, MongoDB.Additional Qualifications (Good-to-Have) :
Experience with Next.js, server-side rendering (SSR).Familiarity with WebSockets for real-time features.Devops and Containerisation & orchestration experience (Docker, Kubernetes).(ref : hirist.tech)