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Manjodh Singh · Product engineer · Stockholm

I build ambitious products from first idea to working system.

Full-stack engineer with end-to-end ownership — product decisions, experience design, and the frontend, backend, data, and integrations that ship.

Shipping consumer products, commerce systems, and tools since 2017.

  • Product
  • Full-stack
  • Mobile
  • Shipped end-to-end
  • Since 2017

    Professional product and full-stack engineering

  • End-to-end ownership

    Product decisions through shipped systems

  • Web and mobile

    Consumer apps, PWAs, commerce, and tools

  • Experience includes

    Klarna · Volvo Cars · Norban · Haveton

Portfolio

Selected Work

Four flagship builds where I owned product and engineering from concept to working system.

In development

Kivo

Creator · Product design and full-stack engineering

Multiplayer memory game with synchronized play modes and original decks — built mobile-first end to end.

  • Multiplayer rules and state
  • Four play modes
  • Original deck themes
  • Synchronized Real Life play

React Native · Expo · TypeScript · Firebase

Live

Watchfolio

Creator · Product design and full-stack engineering

Personal viewing system — progress, discovery, recommendations, and a large TV Time import.

  • Large-scale data import
  • Movies and TV progress
  • Personalized discovery
  • Analytics and PWA
In development

Deckform

Creator · Product design and full-stack engineering

Commerce configurator for custom decks and boxes — artwork, finishes, and manufacturer constraints.

  • Product configurator UX
  • Artwork crop and placement
  • Manufacturer constraints
  • Commerce workflow
Live beta

WeekShape

Creator · Product design and full-stack engineering

Weekly intentions placed around real calendar commitments — Google Calendar, export, and Todoist.

  • Calendar orchestration
  • Google Calendar & Todoist
  • Optimistic planning UX
  • PWA

Career

Experience

Professional experience since 2017 across product companies, agencies, and my own ventures — usually owning meaningful slices of product, UX, and engineering.

  1. Haveton

    Oct 2025 – Jul 2026

    Full-stack developer / tech lead

    Sole developer and technical lead for Finton, a fintech app from idea to launch — Expo/React Native, GCP, Firebase, and AI-driven personal finance features with real active users.

    React Native · Expo · TypeScript · Firebase · GCP · +1 more

  2. Norban

    Apr 2025 – Oct 2025

    Full-stack developer

    Redesigned and rebuilt buyer/seller experiences and third-party realtor onboarding in a monorepo spanning web, backend, and back-office — expanding Norban’s marketplace model.

    React · Next.js · Node.js · GraphQL · PostgreSQL · +2 more

  3. Krub App

    Sep 2024 – Apr 2025

    Co-founder / full-stack developer

    Co-founded and built a creator-first food PWA — upload tooling, audience growth, and monetization flows tailored to food content creators.

    TypeScript · React · Next.js · Node.js · Prisma · +1 more

  4. Axfood

    Jul 2024 – Sep 2024

    Full-stack developer

    Extended grocery e-commerce with dynamic bundled promotions integrated with inventory and pricing — focused on a smooth shopping journey at scale.

    TypeScript · React · Node.js · EPI CMS

  5. Univrse

    May 2023 – Dec 2023

    Full-stack developer

    Built a web platform for AI-assessed road infrastructure — real-time vehicle camera data, interactive maps, and maintenance-oriented visualizations.

    TypeScript · React · Next.js · Leaflet · Node.js

  6. Volvo Cars

    Nov 2022 – Apr 2023

    Full-stack developer

    Shipped online car purchasing — customization, financing, and secure checkout aligned with brand and regulatory requirements.

    TypeScript · React · Next.js · Node.js

  7. Curb Food

    Nov 2021 – Oct 2022

    Full-stack developer

    Digital tooling for dark kitchens — workflow apps, concept-driven menu management, and front-of-house experiences tied to live performance data.

    TypeScript · React Native · React · Node.js · PostgreSQL

  8. Klarna

    Nov 2018 – Dec 2019

    Frontend developer

    Instant Shopping and Merchant Portal — purchase flows across the consumer journey, iframe performance, and merchant tooling in a large mono-repo.

    TypeScript · React · Redux · Jest · Cypress · +1 more

Also shipping

More Things I've Shipped

More products and tools — same end-to-end ownership, in a tighter slice of the story.

Private build

Pullmark

Lead product engineer · Full-stack

Digital pack reveals tied to physical inventory, ownership, refunds, and fulfillment — consumer app plus ops tooling.

Previously live

Krub App

Product and full-stack engineering

Creator-first food PWA — publish, grow an audience, and monetize (previously live).

In development

Kept

Creator · Product strategy, design, and engineering

Adaptive sprints and longitudinal progress — personal performance tooling in active development.

Live

Allowance

A deliberately simple budget tracker focused on what remains, without the overhead of traditional personal-finance software.

Live

Sheel's World

A warm, responsive small-business website bringing Bhangra classes, massage treatments and handmade cards into one coherent enquiry experience.

Open source

react-eyedrop

A typed, tested React color-picker available as both a component and a hook.

Open source

react-clicks

A React hook for handling single, double, and long-click interactions through one consistent API.

About

Builder across the whole product.

I'm a Stockholm-based full-stack engineer with professional experience since 2017. I'm happiest owning the difficult middle between an idea and a product that works: product decisions, interaction design, frontend, backend, data, integrations, deployment, and the thousand details around them.

I started building interfaces with Java Swing in 2010 and making websites for clients a few years later. That early curiosity never left; the scope just grew. Today I build end-to-end systems across consumer products, marketplaces, personal tools, and AI-assisted experiences.

  • Product and interaction design
  • Web and mobile frontends
  • Backend and data systems
  • Authentication and integrations
  • AI-assisted product features
  • Deployment and operations

Have something ambitious in mind?

Let's build something real.

I'm always interested in thoughtful products, difficult systems, and collaborations where seeing the whole picture matters.