Full Stack Developer

KayJay Global Solutions Pvt.Ltd

about the role:

we are hiring an experienced mern stack developer who can independently build

and scale full-stack applications from scratch. the ideal candidate must have strong

skills in typescript, , , redux, and rest apis, along with a solid

understanding of microservices architecture, mobile api integrations, and responsive

design.

experience with llms, rag architecture, kafka, redis, webhooks, and database

systems like postgresql, mysql, and mongodb is essential. youll be working on

scalable systems, enterprise-grade platforms, and ai-integrated products.

key responsibilities:

develop and maintain full-stack web applications using (with typescript)

and (express/nestjs)

build and document robust restful apis and mobile-ready endpoints

implement and consume webhooks for third-party integrations and internal event

based workflows

ensure responsive design principles across devices and screen sizes

integrate with mobile applications via secure and scalable apis

work with databases including postgresql, mysql, and mongodbintegrate

large language models (llms) and retrieval-augmented generation (rag)

pipelines

build and deploy microservices architecture using kafka, redis, docker, etc.

manage application state using redux or redux toolkit

write test cases using mocha, chai, jest, or similar frameworks

participate in system design, architecture discussions, and scalability planning

follow agile practices, perform code reviews, and contribute to ci/cd pipelines

collaborate with cross-functional teams including ui/ux, devops, qa, and

product management.

required skills and experience:

minimum 3 years of hands-on experience with the mern stack

strong proficiency in typescript, , , and redux

proven experience in building and consuming rest apis and webhooks

deep knowledge of responsive ui/ux development

hands-on experience with mobile-first api design and integrations

strong knowledge of postgresql, mysql, and mongodb

experience with kafka, redis, docker, and microservices

exposure to llm, gpt, rag, or similar ai models

solid understanding of software architecture and ability to build systems from the

ground up.

working knowledge of api security, jwt, oauth, and rate-limiting

familiar with test-driven development and qa practices

familiarity with git, version control, and collaborative workflows

good to have:

experience with graphql and grpc

experience in building saas or ai-integrated platforms

familiarity with elasticsearch or rabbitmq

experience with aws, gcp, or azure

understanding of serverless and event-driven architectures

benefits:

competitive compensation with performance-based hikes

flexible remote or hybrid work options

opportunity to work on cutting-edge technologies including ai and scalable saas

platforms

strong leadership and learning-driven environment

learning budget for courses, certifications, and conferences

• Experience

  1 - 5 Years

• No. of Openings

  3

• Education

  12th Pass, 10th Pass, B.C.A, B.Tech [Other], M.C.A, M.Tech [Other]

• Role

  Full Stack Developer

• Industry Type

  IT-Hardware & Networking / IT-Software / Software Services

• Gender

  [ Male / Female ]

• Job Country

  India

• Type of Job

  Full Time

• Work Location Type

  Work from Office