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Gopinath SivaKumaran

@gopinathsivakumaran

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Full-stack software engineer specializing in scalable Node.js and Vue.js SaaS applications.

India

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What I'm looking for

I seek a mid-to-senior role building scalable backend and full-stack SaaS systems, with collaborative Agile teams, opportunities to lead migrations and optimizations, and emphasis on performance, security, and high availability.

I am a software engineer with over 3 years of hands-on experience designing and delivering scalable CRM and SaaS applications using Node.js, Express.js, MongoDB, and Vue.js.

I build reliable backend services and RESTful APIs in microservices architectures, implementing secure JWT and OAuth 2.0 authentication, Redis caching, gRPC services, and Confluent Kafka pipelines to ensure low-latency, high-availability systems.

I improved query and reporting performance by 50–60% using MongoDB Atlas Search and aggregation pipelines, reduced authentication latency by 45% with a gRPC-based JWT service, and cut data loss by 95% through a real-time audit logging system built with MongoDB Change Streams and Kafka.

I collaborate in Agile/Scrum teams, lead migrations (Vue 2 → Vue 3, Node.js v14 → v21), and focus on performance optimization, secure API design, and delivering production-ready features that measurably reduce costs and improve system reliability.

Experience

Work history, roles, and key accomplishments

Software Engineer

Avow Solutions Inc

Dec 2022 - Dec 2025 (3 years)

Built and maintained full-stack CRM and SaaS applications, delivering backend microservices and RESTful APIs that improved reporting performance 50–60% and reduced authentication latency 45%. Led Vue 2→3 migration to boost UI performance 30% and implemented systems that cut data loss by 95%.

MongoDB Vue.Js Redis JWT OAuth 2.0 gRPC NodeJS ExpressJS RESTful APIs HTML5 CSS JavaScript TypeScript

Education

Degrees, certifications, and relevant coursework

Sri Krishna College of Engineering and Technology

Bachelor of Engineering, Electrical and Electronics Engineering

2019 - 2023

Completed a Bachelor of Engineering in Electrical and Electronics Engineering, covering core EEE subjects and engineering fundamentals from 2019 to 2023.