Hire Freelance Software Engineers

Our Portfolio/

All Projects

All Projects

ReactJS

ReactJS

React Native

React Native

Laravel

Laravel

NodeJS

NodeJS

iOS

iOS

Flutter

Flutter

AI

AI

GPT

GPT

Shopify

Shopify

WordPress

WordPress

Backend

Backend

Frontend

Frontend

Fullstack

Fullstack

Golang

Golang

C#

C#

JavaScript

JavaScript

Python

Python

Cloud

Cloud

Android

Android

NextJS

NextJS

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ReactJSShopifyLaravelNextJSCloudFrontendBackend
We helped the UKs fastest growing retailer to revamp their frontend and rollout a NextJS frontend on a headless Shopify setup.
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NodeJSExpressCloudBackendGolangGPTJavaScript
Backend NodeJS development for a leading UK based fintech startup. We helped them to build a scalable backend to support their mobile app with GPT workflows.
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NodeJSReactJSBackendC++C#AIGPT
We worked with Double Eleven, a global gaming company to build backend NodeJS systems for their internal teams.
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ReactJSC#iOSAndroidBackendFullstackTypeScript
Helped to build a fintech app for easily trading stocks and getting funded for more trading based on your success.
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ReactJSFrontendNextJSJavaScriptTypeScriptAIGPT
AI content generation platform. We helped build a frontend in ReactJS and NextJS to power their AI content generation platform.
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GolangBackendNextJSJavaScriptTypeScriptAIGPT
Built a Golang backend for handling data processing and AI workflows using OpenAIs API.
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ReactJSFrontendNodeJSJavaScriptTypeScriptNextJSBackend
Lead software development for an NFT marketplace. We built a frontend in ReactJS and NextJS and a backend in NodeJS.
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FlutterNodeJSJavaScriptFrontendBackendFullstackCloud
Helped hire a team and build a app for trainers to manage their business. We built a frontend in Flutter and a backend in NodeJS.
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ReactJSJavaScriptAIFrontend
Frontend development in ReactJS for a startup building a LinkedIn killer app based on email and email data insights
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FlutterFrontendNodeJSiOSAndroidFullstack
App development in Flutter for a Swiss based startup building a mental health app.
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LaravelReactJSFrontendPHPJavaScriptWordPressNextJS
CTO for a dentistry group doing backend Laravel development and frontend ReactJS development.
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ReactJSFrontendNextJSJavaScriptTypeScriptAIGPT
Frontend ReactJS development for a startup building a platform for immersive gaming experiences.
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FlutterFrontendC#Dart.NETBackend
Fullstack Flutter and .NET development for a fintech app helping users to manage their money better.
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ReactJSFrontendNextJSJavaScriptPythonAIGPT
Fullstack AI platform with a Python FastAPI backend and a NextJS frontend.
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ReactJSFrontendNextJSJavaScriptTypeScriptAIGPT
Hired a team of 3 fullstack JavaScript engineers to build out a web3 gaming platform
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FlutterFrontendiOSAndroidFullstackCloud
Our lead Android engineer developed the Android version of the app for a leading UK based healthtech startup.
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FrontendNodeJSAIGPTiOSAndroidBackend
Helped build one of the UKs leading waste companies rebuild their app. Drive new GPT powered chat for clients.
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ReactJSReact NativeFrontendNodeJSiOSAndroidBackend
Lead and developed the full app for a UK football startup community in React Native and NodeJS.
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PythonAIGPTFrontendFullstackCloud
Python AI development for various ChatGPT plugins. Created custom plugins with monetization, affliates, and pricing tiers.
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FlutterReact NativeFrontendNodeJSiOSAndroidBackend
Developed a super app for iOS and Android from Flutter to React Native. We built a backend in NodeJS and a frontend in React Native.
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AIFrontendGPTPythonWordPressShopifyBackend
Python backend for content creation that leverages OpenAI models and Google Gemini models for content creation.
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GolangReactJSNextJSPythonFrontendBackendFullstack
Fullstack SaaS app in Golang and ReactJS. A buy now pay later startup based in Sweden.
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ReactJSNextJSPythonFrontendBackend
Built a nocode solution for a ReactJS web app that allows our client to create and add dashboards easily and render them on their React frontend.
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FlutterFrontendNodeJSiOSAndroidFrontendBackend
Fullstack education tech startup using GPT to enhance their user experience, moving their data from search based to a conversation interface.
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ReactJSFrontendNodeJSiOSAndroidBackendFullstack
Hired over 15+ engineers for various fullstack projects. Several engineers were chosen to work fulltime for Fortnight.
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LaravelFrontendBackendReactJSFullstackCloud
Fullstack ecommerce development in Laravel and ReactJS for a custom PC builder company selling across Europe.
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iOSAndroidReact NativeFrontendBackendFullstackCloud
Built an app from start to finish for a USA credit card startup.
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ReactReact NativeFrontendWordPressShopifyBackendFullstack
CTO and lead migration from WordPress to Jamstack for a global news and capital allocation firm. Improved site speed 1,000%
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GPTFrontendNextJSAIPythonFullstackCloud
Built Banker.Chat an AI powered chatbot for banking. We built a frontend in NextJS and a backend in Python that leverages the latest LLMs and custom data fine tuning.
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GPTNextJSAIPythonFullstackCloud
Worked with Ericsson to build AI systems for the Automation and AI team that improved internal systems and productivity.
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ReactJSNextJSFrontendNodeJSJavaScriptTypeScriptFullstack
Built KeysEcosystem, a startup directory first based in Stockholm that expanded to other european cities.
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ReactJSNextJSFrontendLaravelJavaScriptFullstack
Built a ERP system for a Seattle based real estate company to manage their properties, leads, and customers.
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ReactJSNextJSFrontendLaravelFullstackCloudBackend
Hosting, backend, and security services done for a global news company.
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ReactJSNextJSFrontendNodeJSJavaScriptFullstack
Stock performance platform, social trends, charting, and social insight tools.
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ReactJSNextJSFrontendLaravelJavaScriptFullstack
Fullstack app development and Tech Lead for a Stockholm based coaching app.
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ReactJSNextJSFrontendLaravelJavaScriptFullstack
Platform for freelance designers to find work and get paid. We built a frontend in ReactJS and NextJS and a backend in Laravel.
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ReactJSNextJSFrontendLaravelJavaScriptFullstackAI
Private data insight platform for enterprise companies who have sensitive data that they would not like to share with third parties.
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WordPressFrontendBackendGPTAIJavaScriptFullstack
Headless WordPress content system powered by GPT to automate content creation across several sites.
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ReactJSNextJSFrontendLaravelJavaScriptFullstack
Real time messaging app with support for texting, calling, emailing and tempalates.
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React NativeFrontendGolangiOSAndroidFullstack
Fullstack development on a payment processor app.
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ReactJSNextJSFrontendLaravelJavaScriptFullstack
Classroom management app for teachers to manage their students and classes. We built a frontend in ReactJS and NextJS and a backend in Laravel.
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ReactJSNextJSFrontendLaravelJavaScriptFullstack
Fintech app development for a stock trading platform. We built a frontend in ReactJS and NextJS and a backend in Laravel.
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FlutterFrontendNodeJSiOSAndroidFullstackJavaScript
Built out a custom component library for frontend, backend, and mobile for a advertising company seeking to speed up their internal development.
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GolangBackendiOSAndroidFullstack
Backend Golang development for a event tech startup handling thousands of events, artists, and tickets.

Case Studies/

Fortnight.Studio/

Adding 12+ Engineers To An Award Winning Agency

Challenge:
Fortnight reached out to us looking for help to build their development team. They build award winning apps and websites in Node.JS, Golang, React-Native, Native iOS, and Native Android. They wanted only the best developers on their team and they needed support in growing fast.
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Solution:
We were quickly able to help Fortnight hire an iOS developer and a Node.JS developer within a week of them getting in touch. After this initial success we continued to work with Fortnight to build their tech team of top 1% remote developers.

Today Fortnight has over 12 slashdev.io engineers working for them across frontend, backend, mobile, and QA engineering.
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Apple Design Award 2017
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GQ Design Award 2018
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Top Recommended Agency 2019
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Best Mobile App Studio 2020
"Since I joined Fortnight I've always been introduced to challenges that required me to explore new solutions and technologies this helps me gain even more experience which I really love since it helps me evolve as a developer and always be at the cutting edge of the tech industry."
Khalid - Senior Backend Engineer @ Fortnight.Studio
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Double Eleven/

Helping A Global Game Company Recruit Engineers

Challenge:
Double Eleven wanted help finding engineers to build out their internal tools and systems. They needed senior engineers with strong experience in NodeJS and cloud technologies.
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Solution:
We helped Double Eleven to run a recruitment globally for NodeJS engineers who could help them build out their internal tools and systems.

Our recruitment focused on global engineers and later pivoted to find engineers in the UK to serve their needs.
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"I have always been interested in the gaming industry. I am fan of WOW and love all gaming. Getting the chance to interview with a top gaming company was a dream come true."
Dave - Senior Fullstack Engineer
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NettyArt/

Engineering An NFT Platform For Creators

Challenge:
NettyArt is a leading NFT platform for creators. They keep their community up to date on the latest NFT drops and market analysis. NettyArt reached out to slashdev.io to help them bring their development team internal with a senior backend engineer.
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Solution:
Within the first week of talking with NettyArt we were able to get them a backend NodeJS engineer with over 10+ years of experience building software.

NettyArt continues to rely on slashdev.io for future expansions to the team. Through our partnership we are building a elite remote tech team to support their growth.
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"It has been a great experience working with Nettyart. They have started to increase my hours and working with NFTs is something that I have never done before. I am enjoying working with a motivated entrepreneurial team!"
Eric - Fullstack NodeJS / React Engineer @ Nettyart.io
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A Global Network Of Engineering Talent/

Our Developers Have Worked At Companies Like:

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We connect top developers from around the world with the best startups, scaleups, and large enterprises in the USA and Europe. If you can prove your ability to execute we can be your partner in taking your career to the next level.

Our goal is to be the best talent platform in the world. We want to help entrepreneurs and tech teams build the future.

USA & European Timezones

Global Talent Network With a Focus on USA & European Timezones.

5+ Years Professional Exp.

Skilled Senior Engineers To Lead Your Software Development.

Work For Top Startups & Scaleups

Submit your application, complete our vetting process, show us you are a top 1% engineer, and get a job offer in as quick as 1 week.

Hire Top Developers $35-$45+/hour

Let us know what you are looking for, get matched to a developer within a week, and start building your venture with expert remote developers.