Headline

Full Stack Developer (MERN · Next.js · Nest.js) | Building Scalable B2B SaaS & Workflow Automation Platforms | Ex-QA Engineer

About

I'm a Full Stack Developer with experience building production-grade web applications — from B2B SaaS platforms to workflow automation tools and eCommerce projects. My path into development is a little unconventional: I started in Mechanical Engineering, moved into QA, and transitioned into software development through self-study and freelance projects. That background gives me something useful — a sharp eye for quality and the discipline to ship code that's built to last. Currently at Konnectify, where I'm building an AI agent orchestration and iPaaS platform using Next.js, Nest.js, React-Flow, and PostgreSQL. I've helped cut client onboarding time in half, reduced API latency by 57%, and enabled B2B clients to embed native integrations without writing code themselves. What I care about: clean architecture, measurable outcomes, and products that solve real problems. Tech I work with: React.js · Next.js · Node.js · Nest.js · TypeScript · PostgreSQL · MongoDB · Docker · CI/CD · REST APIs Open to collaborating on interesting product problems. Feel free to connect.

Location

Bengaluru

AI stack

antigravity

claude code

codex

gemini

n8n

v0

Work experience

Frontend Developer at Konnectify, Jun 2025 - May 2026 · 1 yr, Chennai, Tamil Nadu, India, ● Designed and built a scalable workflow automation and AI agent orchestration platform using Next.js, React-Flow, and Redux, implementing custom pathing and code execution blocks that significantly reduced client onboarding time. ● Built user management and subscription billing modules, implementing automated webhook workflows that streamlined manual processing for the operations team. ● Contributed frontend code during the revamp of a white-labeled iPaaS product, enabling B2B clients to embed native integrations directly into their own platforms without writing custom code.

Software Test Engineer at Chella Software, Jul 2022 - Sep 2023 · 1 yr 3 mos, Madurai, Tamil Nadu, India, ● Executed manual testing protocols for enterprise-level Windows applications, identifying and documenting software defects across release cycles to ensure stable production deployments. ● Translated business requirements into structured UAT test scenarios, covering key user flows and edge cases to prevent critical regressions before launch. ● Raised detailed, reproducible bug reports in Jira with clear steps to reproduce, helping the backend team resolve issues faster and more accurately. ● Participated in Agile ceremonies including sprint planning and retrospectives, contributing QA perspectives early in the development cycle to flag risks before they became defects.

Subject Matter Expert - Mathematics at Chegg India, Feb 2021 - May 2023 · 2 yrs 4 mos, India, ● Solved and explained 150+ problems across Physics, Calculus, Discrete Mathematics, Thermodynamics, Number Theory, Multivariable Calculus, and advanced college-level Math subjects for undergraduate students worldwide. ● Covered a broad subject range including mechanics, thermodynamics, linear algebra, and combinatorics — adapting explanation depth and style to each student's level. ● Delivered clear, step-by-step written solutions asynchronously, consistently maintaining high accuracy and quality ratings on the platform. ● Managed a self-directed, fully remote workload independently — meeting submission deadlines across multiple time zones with no supervision.

Education

Bachelor of Engineering, Mechanical Engineering, KLN College of Engineering

High School Diploma, Class XII, Velammal Vidyalaya - India

Public links

github: https://github.com/ajaykumardrb