Selva · software engineer · 15 years · Canada

Custom software, built by the person you talk to.

I'm a freelance software engineer. I build apps, websites, and AI features for startups and small businesses that need something built properly, and soon — no team, no handoffs, just me.

Start a projector selva@eniaclabs.dev — a reply within a day

What I build

Four ways to work with me
Start here

MVP / prototype sprint

Four to six weeks, a price agreed before we start, and a working product at the end. The lowest-risk way to find out whether an idea holds up.

4–6 weeks · fixed price
Weekly demos, no surprises
You keep the code
Book a sprint
AI

AI-powered product builds

Turn a pile of PDFs into a spreadsheet. Read a receipt from a photo. Answer questions about your own documents.

Typical: 6–12 weeks
Product

Full-stack web & mobile apps

Idea to launched product. Next.js and React on the web, React Native on iPhone and Android.

Typical: 2–4 months
Infrastructure

Backend & API work

APIs, data pipelines, third-party integrations, and cloud setup. Also where overflow work from agencies lands.

Typical: 2+ weeks, weekly rate or retainer

Work

Five products I designed, built, and shipped myself. These are my own products, not client work — I build them to sharpen the same tools I use for clients.

Own product · built in-houseSelling now

Calendar Hub

One calendar view across every Google account, plus any calendar you have a link to. Mac and Windows apps and Chrome and Firefox extensions, all local-only: no server, and nothing leaves your machine.

ElectronNode.jsGoogle Calendar APIWebExtensions (MV3)
View case study →
Calendar Hub week view merging two Google accounts and a school calendar
Own product · built in-house

Grocery Buddy

Community grocery price comparison — "GasBuddy for groceries." Photograph a receipt, AI parses every line item, and once confirmed the prices become searchable for everyone nearby.

Express·TypeScript·Prisma·Expo / React Native
Own product · built in-house

ParseFlow

Turns credit-card PDF statements into clean, structured transactions that budgeting tools can use.

Node·Express·Sequelize / Postgres·S3·Vite / React
Own product · built in-house

Hot Wheels Inventory

Catalog a die-cast collection by photographing the card. AI reads the name, series, and number off it, and tells you in the store whether you already own it. Mobile-first PWA.

Next.js 16·Supabase·Anthropic API·Vercel
Own product · built in-house

Home Inventory

Tracks what's in which storage box. A QR code on each box opens its contents on scan.

Expo·React Native·SQLite (local)
Case study
Agenda view with event details from two accountsAdding a calendar by its iCal linkBrowser extension popup showing today's events

Calendar Hub

Own product · built in-house

Anyone with a work account, a personal account, and a kid's school schedule has three calendars and no single place to see the day. Calendar Hub is that place, and it never sends your calendar anywhere.

Problem

Google's phone apps merge accounts, but google.com/calendar shows one account per tab. Juggling tabs means double-booking across work and home, Meet links that open as the wrong account, and the same meeting showing up twice when it was sent to two of your addresses. The obvious fix, a hosted sync service, asks you to hand a third party read access to every calendar you own.

Approach

Keep everything on the user's machine. The app signs in to each Google account with the read-only calendar scope and talks to Google directly, with no backend in between, so there is no server to breach and no data to sell. Outlook, iCloud, and school calendars come in as iCal links. Duplicate invites merge into one event tagged with both accounts, and every link opens as the account that was invited.

Outcome

One codebase ships four ways: Mac and Windows desktop apps, with the next meeting in the menu bar or system tray, and Chrome and Firefox extensions with a today-at-a-glance popup. It sells for a one-time $4.99, and a single license key unlocks every platform.

Stack

ElectronNode.jsGoogle Calendar APIWebExtensions (MV3)Polar licensing
Get Calendar Hub →Read the privacy policy →

How I work

01

Quick call

A free 20-minute conversation about what you're trying to build. No sales pitch, no deck.

02

Scope & quote

A plain-language proposal — what gets built, how long it takes, and a fixed price or weekly rate. Agreed before anything starts.

03

Build, in the open

Weekly check-ins with working software, not slides. You can ask questions or change direction any time.

04

Ship & hand over

Deployed, with the code and documentation handed to you. Available after launch if something needs attention.

Pricing

No price list — every project is different. Engagements are structured one of three ways, agreed before work starts.

Fixed-scope project

A defined deliverable for a defined price. Best for sprints and well-scoped builds.

Weekly rate

Billed by the week for open-ended or evolving work, invoiced as we go.

Retainer

A set number of hours each month, for ongoing maintenance or a steady stream of small work.

Let's talk about what you're building

Tell me roughly what you need and I'll reply within a day — usually with a couple of questions and a sense of whether it fits a sprint, a full build, or something else.

selva@eniaclabs.dev
Eniac Labs — Selva, Canadaselva@eniaclabs.dev