SADHASIVAM M

Full Stack Engineer with 2+ years in FinTech & SaaS domains

Inforvio Technologies

Pioneer College of Arts & Science

Coimbatore, Tamil Nadu, India

Since April 24, 2026

About

Full-Stack Engineer with 2+ years of experience building scalable, high-performance web applications in FinTech and SaaS domains. Specialized in React, TypeScript, and modern frontend architecture, with backend expertise in Node.js, Express.js, Go, and REST APIs. Proven track record of improving application performance, reducing defects, and delivering end-to-end features from design to production. Strong experience in authentication systems, state management, and cloud-based deployments.

Top Skills

Node.JsExpressMysql

Skills

React.jsNode.JsExpressTailwind CssBootstrapHTMLCSSZustandRest ApisRbacMongoDBMysqlCiCdGitGithubPostmanVitetypescriptGoAPI Integration

Education

Pioneer College of Arts & Science

B.Sc · Information Technology

August 1, 2018 – June 30, 2021

GHSS School

Higher Secondary Certificate

June 1, 2016 – May 31, 2018

Experience

Inforvio Technologies

Software Engineer

January 1, 2024 – Present

Coimbatore, Tamil Nadu, India

Projects

LendingStack FinTech Platform

January 1, 2024 – Present

Engineered a scalable JSON-driven form builder with dynamic validation and conditional logic, enabling flexible UI configurations across workflows. Developed end-to-end onboarding and workflow systems for customers and partners, including access control, dashboards, and role-based routing (RBAC). Built and integrated core platform modules such as Document Checklist, Lookup Master, Workflow Management, and Approved Partner systems with seamless API connectivity. Led development of lender integration and recommendation systems, including Ambit lender workflows, eligibility processing, and offer selection modules. Designed financial modules, including Payable/Receivable Management, Payout Plans, and Invoice/Estimation screens for transaction tracking. Delivered multiple enterprise-grade UI modules with strong API integration, improving platform scalability and operational efficiency.

Key Strengths

Strong frontend development skills with React.js, TypeScript, Tailwind CSS, and Bootstrap, demonstrated through complex UI modules and dynamic form builders.
Experience in optimizing frontend performance, including reducing redundant API calls and efficient state management using TanStack Query and Zustand.
Proficiency in implementing security features such as JWT-based authentication and Role-Based Access Control (RBAC) with secure routing.
Practical experience with API integration, collaborating with backend teams (Go), and designing scalable APIs.
Solid understanding and application of DevOps practices, including CI/CD pipelines, multi-environment deployments, and cloud services (AWS S3, EC2).
Experience with monorepo architecture (Turborepo) for scalable multi-application development.
Relevant domain experience in FinTech, having engineered core platform modules and workflow systems for financial applications.
The candidate's technical experience aligns well with the requirements for a Full Stack Engineer role, particularly with a strong frontend focus.

Cultural & Operational Fit

Cultural Fit Analysis

The psychometric test score of 0 raises serious concerns about the candidate's potential cultural fit, including aspects like work attitude and team collaboration. This area requires thorough validation during interviews.

Soft Skills & Operational Fit

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Key Strengths

Strong frontend development skills with React.js, TypeScript, Tailwind CSS, and Bootstrap, demonstrated through complex UI modules and dynamic form builders.
Experience in optimizing frontend performance, including reducing redundant API calls and efficient state management using TanStack Query and Zustand.
Proficiency in implementing security features such as JWT-based authentication and Role-Based Access Control (RBAC) with secure routing.
Practical experience with API integration, collaborating with backend teams (Go), and designing scalable APIs.
Solid understanding and application of DevOps practices, including CI/CD pipelines, multi-environment deployments, and cloud services (AWS S3, EC2).
Experience with monorepo architecture (Turborepo) for scalable multi-application development.
Relevant domain experience in FinTech, having engineered core platform modules and workflow systems for financial applications.
The candidate's technical experience aligns well with the requirements for a Full Stack Engineer role, particularly with a strong frontend focus.

Cultural & Operational Fit

Cultural Fit Analysis

Soft Skills & Operational Fit