Siddhant Kumar Singh

Software Engineer

Bengaluru, Karnataka, India3 yrs 1 mo experience

Most Likely To Switch

Key Highlights

Led development of a B2B SaaS product.
Enhanced backend systems for fintech solutions.
Optimized server capabilities to unblock users.

Stackforce AI infers this person is a Backend Developer with strong expertise in Fintech and SaaS solutions.

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Skills

Core Skills

Backend DevelopmentFintechSaasFrontend DevelopmentFullstack Development

Other Skills

AWS LambdaAmazon S3BlockchainBootstrapCascading Style Sheets (CSS)Document Object Model (DOM)Express.jsGitGitHubHTMLJavaJavaScriptLinuxMongoDBNestJS

About

SDE I at Refyne India || Backend Developer at Fasthr.ai || Software Development Intern at Winuall || Web Developer at ACM || Web Developer at Randomize || B.Tech from Manipal University Jaipur, CSE

Experience

Refyne india

3 roles

SDE 1

Promoted

Jan 2025 – Present · 1 yr 2 mos · Bengaluru, Karnataka, India · On-site

Currently working on Video KYC (VKYC), driving all backend changes and improvements to enable real-time, regulatory-compliant onboarding.
Own and maintain backend systems including UPI and company-wide communication services.
Enhanced modules like Cashback and Referral, maintaining and implementing improvements.
Worked on withdrawal policies as part of the larger transaction-control infrastructure, reducing financial risk and improving compliance.
Developed and launched end-to-end products such as the Vehicle Loan service and Privilege Club (e-commerce platform), strengthening Refyne’s fintech ecosystem and customer engagement.

AWS LambdaRedisNestJSAmazon S3BlockchainSmart Contracts+8

Associate Software Developer

Jul 2024 – Dec 2024 · 5 mos · Bengaluru, Karnataka, India · On-site

SDE Intern

Dec 2023 – Jun 2024 · 6 mos · Bengaluru, Karnataka, India · On-site

Worked on core server enhancements and system maintenance, optimizing capabilities to accommodate IFSC changes, streamline Auto KYC pipelines post Paytm Payments Bank prohibition, and automate dedup engines, resulting in unblocking approximately 27K previously blocked users.
Elevated end-user engagement by upgrading internal services like Milestone, fostering seamless interaction and enhancing user experience.
Enhanced marketing strategies by integrating and refining third-party systems such as Web Engage and Plotline, empowering marketing teams with advanced functionalities.
Implemented IVR services integration through lambdas, ensuring seamless communication channels while upholding rigorous code standards and delivering clean, scalable solutions.

JavaScriptTypeScriptNestJSRedisMongoDBREST APIs+3

Fasthr ai

Backend Developer

Apr 2022 – Nov 2023 · 1 yr 7 mos · Remote

Led the development of Fasthr.ai, a B2B SaaS product powered by generative AI, leveraging Node.js and Express.js (with TypeScript). Used by multiple companies for their hiring campaigns, automated interviews, and report generation.
Spearheaded the creation of the company's internal ATS tool using Node.js, Express.js and MongoDB.
Responsible for feature additions and ongoing maintenance of ATS for over 1 year.
Worked an API gateway using Nest.js, resulting in reduced latency and improved system scalability.
Developed one of two backend servers for a Saas product, FastHQ, and the backend of a promotional product, IITRA, utilizing cutting-edge technologies.
Worked on Terraform to centralize and streamline cloud infrastructure management.
Updated existing CI/CD pipelines to use Terraform, leading to more efficient builds and deployments.

JavaScriptExpress.jsTypeScriptGitWebSocketTeamwork+9

Winuall

Software Developer

Oct 2021 – Nov 2021 · 1 mo · Remote

Enhanced the Super-admin internal tool using JavaScript, Node.js, and React.
Integrated Zoho Books, resulting in reduction in financial discrepancies and a significant improvement in financial tracking and management accuracy for the company's backend.
Collaborated effectively with colleagues to deliver user-friendly features, ensuring seamless API integration and robust testing practices.
Developed backend APIs in Node.js and seamlessly integrated them into the frontend with React, addressing various bug fixes and introducing new features like global search and pagination.

Responsive Web DesignJavaScriptExpress.jsHTMLGitTeamwork+8