Choose Your Theme

Logo

Navigation

AboutProjectsCVDrive

Themes

Nemanja in London

Nemanja Grujic, full-stack engineer

I'm Nemanja, a product-minded full-stack engineer based in London. I've built software for scientists at deeptech startups, and now build consumer products at scale. I care about thoughtful interfaces, the systems behind them, and getting the details just right, sometimes obsessively.

Travel photo 1
Travel photo 2
Travel photo 3
Travel photo 4
Travel photo 5

Ekomerc

An e-commerce platform for Serbian businesses, bringing storefronts, payments, delivery and everyday store management into one place.
Ekomerc merchant dashboard showing orders, sales and inventory
E-commerceStorefrontsMerchant tools
https://ekomerc.rs

Amanuensis

Turning scientific PDFs into structured, reusable data through a pipeline of OCR models, LLM parsing and extraction evaluations. A product that grew out of my master's research at Imperial.
Amanuensis site illustrating a scientific PDF becoming structured document data
Scientific softwareDocument parsing
https://amanuensislabs.com

Relentless

In development
A native iPhone app for training, nutrition and daily routines. A personal project focused on making consistent habits easier to track and stick with.
Relentless training screen with a planned workout
Relentless nutrition screen with a daily food diary
iOSSwiftUIHealth & fitness

Based in

London

Local time

Work

  1. Full-stack Engineer

    Packz · NYC

    2026–Present

    Joined as the second engineering hire and built the initial web app for a platform now serving hundreds of thousands of users. Led its major redesign and now deliver features across the backend, web and native iOS.

  2. Full-stack Engineer

    ReactWise · YC S24 · Cambridge

    2025–2026

    Led development of all LLM-powered features, including Vera, an agentic chatbot for chemists. Built tools that simplify literature search, data imports and experiment planning, alongside major platform UX improvements and a full admin dashboard.

  3. Full-stack Engineer

    S-Cube · London

    2025

    Built an agentic chatbot that helped secure new client contracts. Streamlined a legacy scientific dashboard and scaled backend infrastructure supporting thousands of cloud workers and multi-terabyte geophysical datasets.

View CV