Arun Kumar

Software Engineer

Noida, Uttar Pradesh, India2 yrs 4 mos experience

Most Likely To Switch

Key Highlights

Expert in building scalable applications with Node.js.
Proven track record in optimizing system performance.
Strong background in microservices architecture.

Stackforce AI infers this person is a Full-Stack Developer specializing in scalable web applications.

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Skills

Core Skills

MicroservicesNode.jsRest ApisFull-stack DevelopmentRestful Apis

Other Skills

Cascading Style Sheets (CSS)Data StructuresDebuggingFunctional TestingHTMLJavaScriptMERN StackMongoDBOptimizationSASSSecure AuthenticationSoftware InfrastructureTroubleshootingTypeScriptUI Optimization

About

I am a Software Developer specializing in building high-performance, scalable, and secure applications using Node.js, Express.js, MongoDB, SQL, and React.js. My experience spans across microservices architecture, RESTful APIs, secure authentication systems, service optimization, and efficient local caching mechanisms to enhance performance, reduce network dependency, and ensure a seamless offline experience. At Velocis Systems Pvt. Ltd., I contributed to migrating a legacy system to a microservices architecture (with TypeScript)—improving reliability, maintainability, and reducing both deployment time and latency. I have developed and optimized backend services that handle 100,000+ daily requests while successfully reducing database load. Additionally, I prioritize application reliability through comprehensive unit and functional testing, which significantly improves bug detection and system stability. I am passionate about learning new technologies, optimizing system performance, and collaborating on impactful projects. Let’s connect and explore how we can innovate together!

Experience

Velocis systems private limited

Software Developer

Mar 2024 – Present · 2 yrs · Noida, Uttar Pradesh, India · On-site

Contributed to the migration of a legacy system to a microservices architecture using Node.js and TypeScript, improving code maintainability and reducing deployment time.
Developed highly scalable REST APIs with Node.js, TypeScript, and MongoDB, efficiently handling 100,000+ daily requests.
Implemented secure authentication mechanisms using JWT and OAuth 2.0, enhancing system security and reducing unauthorized access.
Optimized services and database queries, achieving a 40% reduction in database load through aggregation pipelines and efficient algorithms.
Conducted unit and functional testing, increasing application reliability through early bug detection and resolution.

MicroservicesNode.jsTypeScriptMongoDBREST APIsSecure Authentication+2

Perfect elearning

Full stack developer

Nov 2023 – Mar 2024 · 4 mos · Remote

Streamlined and optimized the services and UI by leveraging MERN Stack technologies, enhanced user experience, leading to increase in user satisfaction and decrease in user onboarding time.
Integrated and optimized RESTful APIs across both platforms, achieving 30% faster data processing and real-time synchronization, which boosted the operations team's productivity and reduced delays, enabling smoother workflows.
Real-time synchronization ensured accurate, up-to-date data, reducing system errors by 35% and minimizing manual interventions, resulting in improved system reliability and better team collaboration
Maintained and tested the platform's infrastructure at the development level, focusing on debugging and troubleshooting complex frontend issues. This led to a 45% improvement in system stability and provided the operations team with tools that boosted their workflow efficiency by 50%, ensuring smoother daily operations.

Full-Stack DevelopmentMERN StackRESTful APIsUI OptimizationDebuggingTroubleshooting