Full Stack Developer

Job Description: Full-Stack Developer (NodeJS + ReactJS)

Sagacity Software Private Limited, based in Pune, India, specializes in providing tailored IT solutions and consulting services to diverse business sectors. The company focuses on Digital Transformation and Next-Generation Application Development, delivering cost-effective, scalable, and reliable solutions. Sagacity is dedicated to understanding clients' industries, markets, and challenges to develop customized solutions that meet their needs. Partnering closely with clients, Sagacity empowers businesses with valuable insights and innovative strategies to overcome obstacles and achieve success.

Experience:5+ years

Must Have

• Strong hands-on experience buildingRESTful APIs with NodeJS(Express.js /NestJS), usingSequelizeor other ORM for database interactions
• ProficiencywithReactJS(JavaScript/TypeScript), includingcomponentarchitecture and responsive UI development
• Solid experience withPostgreSQL(schema design, migrations, query optimization)
• End-to-end feature delivery experience forB2B/B2C portals(authentication, dashboards, reporting)
• Strong Git workflow (branching, PR reviews) and API integration between frontend and backend
• Production debugging skills across frontend, backend, and database layers

Responsibilities

• Design, develop, andmaintainscalable web applications withNodeJS (backend)andReactJS (frontend)
• Collaborate with product managers, designers, QA, and engineers to deliver features end-to-end
• Write clean, maintainable, and well-tested code while enforcing best practices and coding standards
• Optimizeperformance across the stack: API latency, DB queries, frontend load time
• Build reusable UI components and backend libraries for consistent development
• Own CI/CD pipelines and ensure smooth deployments
• Debug and resolve production issues efficiently

Requirements

• Backend (NodeJS):Express.js orNestJS,SequelizeORM (or Prisma/TypeORM), REST API design, JWT/OAuth2 auth
• Frontend (ReactJS):React 18+, TypeScript, state management (Redux/Context), Webpack/Vite, CSS frameworks (Bootstrap/Tailwind)
• Database:PostgreSQL (schemas, migrations, query optimization), Redis (caching/queues)
• Testing:Jest / Mocha (backend), React Testing Library (frontend)
• Version Control:Git (branching, code review, CI/CD best practices)
• Strong problem-solving skills and ability to work independently and in teams
• Bachelorsin CS/IT or equivalent experience

Preferred Skills (Good to Have)

• Experience withNext.jsfor SSR/SSG
• Knowledge ofmicroservicesand event-driven architecture
• Experience withDocker, Kubernetes, and container registries
• Cloud deployment experience (AWS / Azure)
• Exposure toGraphQLand Apollo Client
• Familiarity withmonitoring & observability tools(Prometheus, Grafana, Sentry)