01 / Fintech
Uptick
uptick.social
A social investing platform for retail traders: the Flutter mobile app, a React desktop app and the Node.js backend, with real brokerage connections, live market data and live video.
Hi, I'm Rajnish.
I build the thing you actually need.
Websites, apps, automation, web3 and security — all designed and built by a hands-on senior developer.
10 yrs
shipping since 2016
5.0★
Upwork · PeoplePerHour
CS Engineering background
Hands-on, start to finish
What I do
Five things I'm good at —
and I build them all myself.
No agency, no handoffs. The person you talk to is the person writing the code.
Websites & Web Apps
Marketing sites and complex SaaS — fast, accessible, built to convert and to scale.
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Mobile Apps
Cross-platform iOS & Android apps with native feel, real-time data and clean UX.
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Automation & Scraping
Pipelines, bots and scrapers that do the boring work — reliably, at scale, on a schedule.
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Web3 & Smart Contracts
Solidity contracts, dApps and integrations — audited mindset, gas-aware, production-ready.
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Security & Pentesting
Find the holes before someone else does — pentests, hardening and security reviews.
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Selected work
A few things I've shipped.
Paying clients, live products — designed, built and shipped by me.
02 / Coaching
Russell Coaching
russellcoaching.com
A warm, editorial coaching website with a calm, confident voice — and a CMS the client actually enjoys using.
View case study →
03 / SaaS
PerkZilla
perkzilla.com
A viral growth-marketing platform — referrals, contests and waitlists that turn one signup into many.
View case study →
04 / Healthcare
Vyta
hellovyta.com
An in-home care + transportation platform spanning web and mobile — scheduling, matching and trusted care.
View case study →
+
trading apps, brokerage platforms, marketplaces, browser extensions & AI/MCP tooling — including work delivered for Expensify. See all work →
In their words
Clients keep coming back.
Verbatim, from the people who hired me.
Rajnish is great, he'll go the extra mile to make sure you're happy with the job and the quality of it. Will recommend 100%.
via Upwork
Fluent in English and in understanding the concept. Very hard working and committed to the project. Fair and got the job done. Would highly recommend.
Verified review · Upwork
Very quick and very easy to talk to — oh yeah, the work was amazing as well!
via PeoplePerHour
Perfect. No problems and much pro-activity. Top top guy. Highly recommend.
via PeoplePerHour
High quality work. Everything was perfect.
via PeoplePerHour
Fantastic work! Thank you for everything.
via PeoplePerHour