Projects we've completed

Here are some of the projects we've completed.

Background

LokotaAI

Founder & fullstack-developer

Visit
lokota-ai

A fully featured AI-powered chatbot widget that businesses can integrate into their websites to serve customers by answering various queries.

Core features:

  • Powerful RAG-based architecture
  • Automatic webscraping for context gathering
  • Reinforcement learning for better responses
  • Enterprice level abuse detection and prevention
  • Widget customization with own color theme

Achievements:

  • Reduced operational costs by 70% through efficient RAG-architecture over traditional LLM approaches
  • Gained +500 visitors in 24h after launch
  • Added caching to common queries to reduce latency and improve performance
  • Developed a universally embeddable script compatible with any modern web framework, utilizing smart CDN hosting for optimized page load times

Tools used:

Next.js
Tailwind CSS
TypeScript
Vite
AWS
Docker
OpenAI
DeepSeek
Langchain
RAG
Pincone
Redis
BullMQ
MongoDB
CI/CD

Eskimovillage

Lead Frontend-developer

Visit
eskimo-village

A comprehensive application for a self-help learning portal website with blog lessons, video lectures combined with a respectful, encouraging and strongly connected community.

Core features:

  • Powerful realtime chat feature
  • CMS for SEO blog pages
  • Integrated Jitsi meet
  • Complex admin dashboard
  • Calendar scheduling

Achievements:

  • Migrated a real-time chat to a more stable and scalable solution, cutting latency, downtime and boosting performance by 10x.
  • Increased visibility by 90% with enhanced SEO
  • Improved page speed with smart caching and image optimization

Tools used:

Next.js
Tailwind CSS
TypeScript
NestJS
Docker
MongoDB
Cloudflare
Jitsi
Matrix-js-sdk

ShotCanvas

Founder & fullstack-developer

Visit
shot-canvas

A free SaaS tool for transforming dull and ugly screenshots into beatiful images with macOS- and gradient backgrounds.

Core features:

  • Upload screenshots and add modern background to them
  • Adjust background blur and image roundness
  • Custom aspect ratios, export types and image sizes

Achievements:

  • Gained +1000 visits and +60 unique conversions
  • Engineered a seamless and user-friendly UI/UX to minimize clutter
  • Introduced a powerful SEO concept by generating +200 different entrypoints for keyword matching

Tools used:

Next.js
Fabric.js
Tailwind CSS
Typescript
Vercel

Hansatori Pharmacy

Lead Fullstack-developer

Visit
hansatorin-apteekki

We built a website for a pharmacy in Turku from the ground up, designed a clear interface, improved search (SEO) visibility, reduced ongoing costs, and enabled easy content management via Google Sheets.

Core features:

  • Clear and user-friendly interface
  • Powerful SEO with keyword optimization
  • Intgrated search functionality

Achievements:

  • Reduced ongoing costs with 100% by introducing serverless architecture
  • Increased organic traffic by 30% with improved SEO
  • Engineered a scalable and cost-effective CMS solution

Tools used:

Next.js
Tailwind CSS
Typescript
Vercel
Google Cloud

Roof History

Senior Backend-developer

Visit
roof-history

We designed and implemented the complete backend for a roofing company in the United States, including a scalable server architecture, secure login features, and a better user interface.

Core features:

  • Ability to order roof assessments
  • Automatic weather tracking background jobs for roof damage prevention
  • Address verification via Google Cloud (GCS) API

Achievements:

  • Seamless login and registration process with th ability to choose between different OAuth providers and credentials
  • Engineered a nearly cost-free and scalable server architecture.
  • Reduced the amount of incorrect addresses by 100% with the help of address verification

Tools used:

Next.js
Supabase
NextAuth
Tailwind CSS
Typescript
PostgreSQL
DrizzleORM
Vercel
Google Cloud

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Stjernberg Web and IT Services

VAT-ID: 3469579-5

Käpylänkatu 3, 28120 Pori, Finland

stjernberg.web.it@gmail.com

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