Felix Schlitter

Software Engineer

Affordable Software Solutions for Small Businesses

I help small businesses compete online without breaking the bank. Whether you need a simple website, an online store, or a custom tool to streamline your work, I'll build exactly what you need – no expensive bells and whistles. Get enterprise-quality solutions at small business prices.

Trusted by innovative companies

Expert Solutions for Modern Businesses

Comprehensive software development services backed by 13 years of experience building scalable applications

Technical Architecture

Build your application on rock-solid foundations. I specialize in designing scalable architectures using modern technologies like Next.js, Nuxt, and Vue, backed by robust database solutions including PostgreSQL and MongoDB. Get a future-proof technical foundation that enables rapid development and seamless scaling.

Database DesignAPI ArchitectureCloud InfrastructureSystem Integration
Discuss Your Project

Full-Stack Development

From concept to deployment, I deliver complete web and mobile solutions that exceed expectations. Whether you need a new application built from scratch or want to enhance an existing system, I bring extensive experience in modern frameworks and best practices to ensure your project's success.

React/Vue/Next.jsNode.js/TypeScriptPostgreSQL/MongoDBDevOps/CI/CD
Discuss Your Project

Recent Work

Here are some of the projects I've worked on recently.

Agreeable

2023-Present

Senior Technical Advisor

Agreeable

Agreeable

Architected and implemented the technical foundation for this legal-tech startup, enabling rapid market entry. Built a scalable platform that transforms complex legal processes into streamlined digital workflows.

Technologies Used

NextJSReactVercelPostgres

MyGroceries

2024-2025

Author

Side Project

MyGroceries

Identified a market need during NZ's cost of living crisis and rapidly launched a full-stack solution. Built and deployed an automated price comparison platform that helps thousands of Kiwis save on groceries.

Technologies Used

NuxtTypescriptDigital OceanPostgresMeilisearch

Child Support Calculator

2024

Author

Side Project

Child Support Calculator

A free calculator that helps New Zealand parents estimate their child support payments using the official IRD formula. Built to simplify a complex government calculation process that affects thousands of Kiwi families.

Technologies Used

NuxtTypescript

Futurepass

2023-2024

Head of Engineering - Developer Experience & Identity

Futureverse

Futurepass

Led the development of a comprehensive identity system bridging Web2 and Web3 users. Designed and delivered a production-ready OAuth2/OpenID Connect solution that simplified user onboarding while maintaining enterprise-grade security. Implemented wallet provisioning that made Web3 accessible to mainstream users while satisfying crypto-native requirements.

Technologies Used

ReactNextJSExpressAWSOpenID ConnectOAuth2Ethereum

Sylo Protocol

2018-2022

CTO & Co-Founder

Sylo

Sylo Protocol

Led technical strategy and implementation of a decentralized communication protocol from concept to production. Architected a scalable solution combining end-to-end encryption, p2p networking, and distributed systems. Successfully deployed the protocol across iOS, Android, and web platforms, serving thousands of users globally.

Technologies Used

PureScriptNodeJSiOSAndroidC++SQLiteP2PSignal Protocol

Sylo Wallet

2018-2022

CTO & Co-Founder

Sylo

Sylo Wallet

Designed and implemented the Sylo Wallet, a multi-chain wallet that allows users to store, send, and receive cryptocurrencies and tokens. The wallet is built using React Native and Kotlin and is available on both iOS and Android. The wallet is also integrated with the Sylo Protocol SDK, which allows developers to build decentralized applications that run on the Sylo Network.

Technologies Used

React NativeKotlinPureScriptNodeJSiOSAndroidC++

PureC

2023-2024

Author

PureC

PureC

Created an innovative compiler backend that transforms PureScript into highly efficient C code. Enables developers to leverage PureScript's type safety and functional programming features while targeting bare metal hardware, embedded systems, and performance-critical applications.

Technologies Used

PureScriptCCompilersFunctional Programming

Skills & Technologies

Frontend Development

Tailwind
Typescript
React
Vue
CSS3
html [#124]Created with Sketch.
HTML5
SEO
Accessibility

Backend Development

  • NodeJS
  • Postgres
  • MongoDB
  • Elasticsearch
  • Redis
  • Stripe
  • REST
  • GraphQL
  • SQL
  • NoSQL
  • ORM / FRM
  • Django
  • Next.js
  • Express
  • Nuxt

DevOps

  • CI/CD
  • CircleCI
  • Github Actions
  • Terraform
  • AWS EC2
  • AWS ECS
  • AWS Lambda
  • AWS API Gateway
  • AWS S3

Fundamentals

  • Data Structures & Algorithms
  • Functional Programming
  • Object-Oriented Programming
  • Git VCS
  • Agile
  • Design Thinking
  • Ecryption & Security

Client Success Story

"

We engaged Felix's expertise to help migrate our web application from a 'no code' platform to a custom-built solution. Working with Felix has been a pleasure; he has a keen understanding of our business needs and has guided us with enthusiasm and skill.

Will Eddowes

Will Eddowes

General Manager

Agreeable

Let's Build Something Great

Ready to transform your ideas into reality? With 13 years of experience in full-stack development, I can help bring your vision to life with scalable, maintainable solutions, without breaking the bank.

Let's Connect

I'm currently available for freelance projects and consulting opportunities.

Location

Auckland, New Zealand

Availability

Open for projects

LinkedIn

Let's connect

Felix Schlitter

Full-stack developer with 13 years of experience building scalable web applications. Specializing in React, Vue, Node.js, and database architecture.

Contact

Auckland, New Zealand

Connect on LinkedIn

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