Sandeep Machiraju

Product and UI engineering, going deep on AI · Bengaluru / Remote

Notes on building interfaces, and on learning how models actually work.

Senior frontend engineer at Radius, working on React, Next.js and real-time systems. I write deep dives and build notes on how production web apps work, and what changes when AI joins the stack.

Sandeep Machiraju at his desk

Latest writing

All writing

    Experience

    Resume

    Seven years building fintech, healthtech, real estate and B2B commerce products: React, Next.js, Angular, WebSockets, SSE, payment flows and performance-critical dashboards.

    Radius

    Feb 2025 – Present

    Full-time · Bengaluru, Karnataka, India

    SDE 2, Frontend

    Hybrid

    • Built a real-time chat module from scratch on WebSockets, used by agents across the platform.
    • Led the Clients, Transactions and Auditor dashboards, with reusable components that make data easier for real estate agents to find and use.
    • Designed and shipped "Set Signing Order", a DocuSign integration for multi-signer workflows.
    • Cut initial load time by 18% in a 9-year-old React and Redux-Saga codebase using lazy loading, memoization and virtualized lists.
    • Reduced production bugs by 40% through regression testing, Jest coverage and targeted clean-up.

    Resonately

    Apr 2024 – Jan 2025 · 10 mos

    Freelance

    Senior Software Engineer

    Remote

    • Built an offline-first recorder in React with the MediaRecorder API and IndexedDB, with no data loss during connectivity outages.
    • Built real-time transcription workflows for doctors using Server-Sent Events (SSE), raising productivity by 40% and shortening post-appointment work.
    • Integrated Mixpanel for user analytics (15% feature adoption lift) and Slack-Sentry for crash monitoring (50% reduction in downtime).
    • Scaled the platform to 5,000+ daily appointments at 99.9% uptime in an early-stage healthcare SaaS.
    • Built a real-time search and analysis tool with React, LangChain and OpenAI that analyzes patient feedback to help manufacturers improve hearing aids.
    • Created monitoring dashboards to track transcription accuracy and system performance, reducing operational bottlenecks by 30%.

    Wint Wealth

    2 yrs 8 mos

    Full-time · Bengaluru, Karnataka, India

    SDE 2, Frontend

    May 2023 – Mar 2024 · 11 mos · Hybrid

    • Built the fixed-deposit payment flow across multiple banks and gateways (CCAvenue, Razorpay), raising transaction success rates by 30%.
    • Built IpoKart as sole developer, covering multiple SME IPOs with charts that lifted engagement by 25% in the first month.
    • Prototyped low-cost frontend error tracking on Mixpanel, cutting debugging time by 40%.
    • Interviewed frontend candidates for the team.
    Wint Wealth fixed deposit investment platform showing bank deposit options
    FD · Investment platform

    SDE 1, Frontend

    Aug 2021 – May 2023 · 1 yr 10 mos

    • Built the SGB investment platform alone in Next.js, with SSR for performance and SEO and a CI/CD pipeline on AWS Amplify.
    • Made pages load 32% faster by refactoring CSS, JavaScript and the webpack configuration.
    • Wrote the frontend development guidelines new developers onboard with.
    • Revamped the bonds investment platform in Gatsby with a new design system, increasing user footfall by 20%.
    • Built visual dashboards for tracking referrals and investments across asset types, streamlining tax calculations and reporting.
    Wint Wealth sovereign gold bond investment page
    SGB · Investment platform
    Wint Wealth bond investment platform showing available bonds
    Bonds · Investment platform
    Wint Wealth team gathering with Nithin Kamath
    With Nithin Kamath

    Eunimart

    1 yr 10 mos

    Full-time

    Team Lead, UI

    Mar 2021 – Jul 2021 · 5 mos · Hyderabad, Telangana, India

    • Led a B2B application built as Angular micro frontends, serving several user roles across the platform.
    • Converted a jQuery application to Angular, cutting load times by 30% and making it easier to maintain.
    • Designed role-based access controls driven by business rules.
    • Rebuilt a client's high-security application with cross-functional teams, integrating a custom CMS.
    • Named Employee of the Month and Employee of the Quarter.

    UX / UI Developer

    Oct 2019 – Mar 2021 · 1 yr 6 mos · Greater Hyderabad Area

    Vdezi omnichannel dashboard at Eunimart
    Vdezi · Omnichannel SaaS

    AlgonoX Technologies

    Dec 2018 – May 2019 · 6 mos

    Greater Hyderabad Area

    UI Developer (Intern)

    Built an admin dashboard in Angular and an AI document tool in jQuery, drawing OpenCV-detected regions over PDFs in the browser.

    AlgonoX document interface for cropping and extracting information
    Crop & Extract

    Sick Seek

    Jan 2017 – Mar 2019 · 2 yrs 3 mos

    Self-employed · Guntur, Andhra Pradesh, India

    Founder (student venture)

    On-site

    A health platform that showed nearby doctor and medicine availability to patients, and gave pharmacies stock tracking with low-inventory alerts. Built with PHP, MySQL and jQuery.