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freelance Startups developers

Vlad M.

Romania

Hire Vlad

Senior Freelance Startups Developer

Award-winning CTO, with over a decade of experience in technology and entrepreneurship. My career began as a passionate young techie and led to co-founding multiple startups, developing successful products, and leading high-performing teams.

Startups • 10 yrsNode.js • 6 yrsSoftware Architecture • 6 yrsJavaScript • 10 yrsSQL • 10 yrsDatabase • 10 yrsPHP • 10 yrsReact • 6 yrsMicroservices • 4 yrsLaravel • 4 yrsMongoDBPostgreSQLNginxLuaDockerApache KafkaKubernetesReact NativeSolidityWeb3Nuxt.jsGoElastic StackPrismaVue.jsAWS

+22

Mehdi E.

Morocco

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Remote Startups Developer

I am a front-end developer with 3+ years of experience specializing in TypeScript, React, and working with startups. I have a strong foundation in HTML/CSS, Node.js, and Python, and have successfully developed user-friendly interfaces while ensuring seamless integration with backend APIs. My recent project, Limitss, allows users to turn web apps into desktop applications without code.

Startups • 3 yrsReact • 3 yrsTypeScript • 3 yrsHTML/CSS • 4 yrsNode.js • 2 yrsPythonSQL

+3

Prafull P.

India

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Freelance Startups Developer

I have experience as an Associate Product Manager, where I used data-driven insights to optimize store messaging and increase conversion rates. I also led a website revamp and conducted product teardowns as a Product Intern. Additionally, I advised startups on GTM strategies and implemented marketing solutions as a Consultant. I have a Masters in Computer Applications and have led National winning teams in hackathons and business competitions. I have skills in UX design, A/B testing, and customer segmentation, as well as certifications in data science and problem-solving.

Startups • 3 yrsProblem solving • 3 yrsProject management • 3 yrsStrategy • 2 yrsData analytics • 1 yrsE-commerce • 1 yrsGoogle AnalyticsJiraClarityFunnelsConversion Rate OptimizationProduct StrategyTechnology Strategy & RoadmappingProductivityHeatmapsEducationConsultingBrandingMarketing Funnel Optimization

+15

Gerrit G.

South Africa

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Senior Startups Developer

I'm a technology entrepreneur and professional that is proficient in end-to-end engineering, with a specific focus on building products that solve mission-critical problems in the broader fintech, payments, and security space. Most of my work has been heading software engineering teams building complex systems at product-focused startups, and I'm keen to continue doing so with an ambitious company in a senior role. I have built several companies from scratch, where I operated across a range of company responsibilities and tech stacks. I was the tech principal behind products such as a broadly adopted countrywide mobile payments solution, an HR and payroll tool for SMEs, and an open-loop wallet platform. My roles spanned the range of activities needed to build high-impact services pragmatically, such as working with stakeholders, owning the technical roadmap, implementing software development best practices, leading teams, managing direct reports, and making extensive software engineering contributions.

Startups • 10 yrsRuby • 10 yrsFinTech • 10 yrsAWS • 6 yrsTypeScript • 6 yrsRuby on RailsPostgreSQLJavaScriptVue.jsScalaReactPhoenixGraphQLTerraformMobile App DevelopmentAndroidJavaiOS

+14

Jeann C.

Brazil

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Senior Startups Developer

Hello there, I'm a Software Engineer since 2008. For the past seven years, I have specialized in mobile app development. I had the chance to work with both Android and iOS native platforms but nowadays my focus is on iOS using Swift, UIKit, and also SwifUI. I was able to contribute to leading market companies such as Shell Gas Stations and Renner Stores that had millions of users daily and also startups in the first steps of life, such as Able and YouAgro. Also, I was exposed to several different markets, such as e-commerce, finance, pharmaceutical, agribusiness, and a few other consumer apps. As an excellent communicator, I have the flexibility to work well as an independent developer as well as a part of a development team.

Startups • 5 yrsSwift • 7 yrsiOS • 7 yrsSwiftUI • 1 yrsAgile • 10 yrsGit • 8 yrsUIKit • 7 yrsSQL • 5 yrsMentoring • 4 yrsObjective-C • 1 yrsGitHubCocoaPodsJiraGoogle Cloud PlatformCI/CDXcodeUnit TestingAzureFirebaseVIPER

+16

Dave R.

Hire Dave

Senior Freelance Startups Developer

As an experienced, freelance, mobile and web developer, I make apps for mobile platforms and the web. I have a strong passion for helping businesses of all sizes with big ideas, improve the world we live in through technology. I turn your idea into something real. I have a decade of experience developing apps, JSON API's, services, and scripts. I've used quite a few tools and add new ones often, though I've used, and prefer, Ruby, Ruby on Rails, React.js, React Native, and Node.js the most. I'm a full stack web developer in the truest sense as I'm proficient in everything from CSS3/HTML5 to web development frameworks, to also having extensive DevOps experience with Puppet, Chef, Amazon's AWS, Docker, Kubernetes, among others. I have even architected and implemented full networks built with AWS. I've mentored junior developers quite a bit, and conducted a large amount of interviewing and assisted in hiring other developers. I'm very strong in team building and management skills. In the distant past, I've also served as a security professional, specializing in Malware analysis, Operating System level security and Intrusion Detection analysis. I also have extensive leadership training and experience as a former Naval Officer (Nuclear).

Startups • 12 yrsNode.js • 10 yrsReact • 4 yrsGraphQL • 2 yrsRuby • 12 yrsGit • 12 yrsFull Stack • 12 yrsUnit Testing • 12 yrsUbuntu • 12 yrsRuby on Rails • 10 yrsJavaScript • 10 yrsHeroku • 10 yrsAWS • 8 yrsPostgreSQL • 8 yrsContinuous Integration • 8 yrsNginx • 8 yrsMongoDB • 7 yrsAmazon EC2 • 7 yrsSPA • 6 yrsPuppet • 6 yrsProgress Chef • 6 yrsDevOps • 5 yrsShopify • 5 yrsTwilio • 5 yrsLean Startup • 5 yrsMobile App Development • 4 yrsRedux • 4 yrsGoogle Cloud Platform • 3 yrsTypeScript • 2 yrsMixpanel • 2 yrsDocker • 2 yrsKubernetes • 1 yrsReact NativeEmber.js

+30

Dimitrios V.

Greece

Hire Dimitrios

Senior Freelance Startups Developer

I’m passionate about computer architecture design, distributed computing, HPC and anything related to low-level engineering or requiring to achieve low latency performance. For programming languages I’m using C, C++-17/20 and Python3 on a daily basis. From time to time I also implement CUDA kernels. My preferred compiler is clang along with its tools (clang-tidy and so on) and for build systems I prefer to use Makefiles/CMAKE or Meson+Ninja. I'm comfortable writing assembly in any architecture and I’m familiar with Vector extensions for various architectures(x86/64, Risc5, ARM). In general I have a solid understanding of the underlying hardware components and how to utilize them for performance gains. This also includes concurrency, synchronization primitives and crafting bare metal kernels. In the past I also had to implement compiler infrastructures (including JIT using LLVM-C++-API) for various architectures and emulators. **Finally, one of my #1 skills is that I have many years of different startup environment experience. I believe startups are the best way to progress fast in your career as long as you are able to absorb and process the massive amount of information broadcasted. In the end a startup is no different than a big corporation without the available resources.**

StartupsC++ • 10 yrsApplication Architecture • 3 yrsC • 10 yrsAssembly • 10 yrsMakefile • 7 yrsCMake • 6 yrsCUDA • 4 yrsConsulting • 4 yrsSoftware architecture • 3 yrsPython 3 • 3 yrsARMContinuous IntegrationContainersDockerContinuous DeploymentStartup developmentTensorFlowCI/CDPyTorchRisc VLinuxLLVMPythonGit

+21

Tomas A.

Costa Rica

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Senior Freelance Startups Developer

I am a passionate Senior Software Developer from Sweden who have been working with the .NET stack for 15 years and programming for 25 years, specializing in .NET technologies (C#), AWS, Java, Scala, and C/C++. I am fluent in English and Swedish and speak basic Spanish. I am looking for a freelance contract work that I can do remotely (don't mind changing time-zones as long as I can keep the latitude similar).

StartupsSQL • 10 yrsC# • 10 yrsMicroservice architecture • 3 yrs.NET • 10 yrsJava • 2 yrsScala • 1 yrsAWS • 1 yrsTerraformMongoDBMSMQ

+7

Hugh G.

United States

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Senior Startups Developer

Hi, my name’s Hugh Guiney (🗣 GUY-knee). I’m a UX Developer, which means I design and code thoughtful digital products. I’ve worked with organizations of all sizes, from startups to SMBs to household names. In my spare time I build open-source software, play fighting games, and perform improv comedy. ## Companies I’ve worked with 🏃‍♂️ Runkeeper 💚 Oxfam 🦁 Publicis Sapient 🏦 Citizens Bank 🎮 WB Games 👟 Reebok 📰 The Boston Globe 🏙 The City of Boston ## Services ### Development - HTML5, CSS3, & JavaScript (ES6+) - React— incl. Redux, Context, & Hooks - Node.js - Gatsby - WordPress - Shopify - SEO¹ & Performance ### Design - UI/UX (Look & Feel) - Information Architecture - Components & Design Systems - Usability/Accessibility - Copyediting - Logos & Brand Identity - Responsive Design ## The hughx Advantage: ### 🐖 Economical. With traditional app development, there are two main phases: design and development. First, the designer creates mockups—a series of pictures of what the app will look like. Then the developer translates those pictures into actual code. This duplicates the work of the designer, costing you time and money. Often the designer lacks technical knowledge. At best, this makes the developer’s job harder. At worst this means design revisions. Either way it means more time and more money. There’s a better way. As a hybrid designer–developer, I don’t do mockups—only functional prototypes. That way you can feel what the product will be like, rather than just imagine it. And with fewer cooks in the kitchen, you get to launch and iterate faster. ### ♿️ Empathetic. 50% of the world’s population isn’t online yet¹, but they soon will be. As this happens, they will largely arrive by way of mobile, not desktop. And not on the iPhone 11, either—more like the iPhone from 2011. This means sites and apps designed for Westerners with the latest tech will break for the rest of the world. I believe the Internet should be for everyone. I keep accessibility, performance, and user friendliness top-of-mind at every stage of development. This helps your product reach the broadest possible audience. It’s not just good karma, it’s good business. ### 🏛 Engineered. Just because you’re moving fast doesn’t mean you need to sacrifice quality. Today’s MVP is tomorrow’s legacy codebase. Left unpaid, technical debt manifests as bottlenecks. New features start to break old ones. The app slows to a crawl, increasing bounce rate and costing you sales. Current employees get pulled away from product work to help onboard new employees. Contracting with hughx is an insurance policy against code rot. Modular functions, unit tests, and detailed documentation all come standard. If your customers don’t thank you, your dev team will. ¹ Best practices only. I do not guarantee search engine ranking. ² Source: [Statistics on ITU](https://www.itu.int/en/ITU-D/Statistics/Pages/stat/default.aspx)

StartupsHTML/CSS • 10 yrsJavaScript • 10 yrsReact • 3 yrsApache HTTP Server • 10 yrsGit • 10 yrsWordPress • 10 yrsLinux • 10 yrsMySQL • 10 yrsPHP • 10 yrsResponsive Design • 10 yrsAnimation • 3 yrsVue.js • 1 yrsStripe • 1 yrsFirebase • 1 yrsMongoDB • 1 yrsGraphQL • 1 yrsWeb Scraping • 1 yrsNode.jsGitHubTypeScriptnpmJiraConfluenceWebpackMaterial-UIApolloXMLHTML5CSS3RDFaSemantic WebOpen Source SoftwareXcodeReact NativeRedux

+32

Pavel K.

Hire Pavel

Senior Startups Developer

Hi. In my 20 years in webdev, I was lucky enough to work with some wonder people. These folks can start using any new programming language and platform in one day and master it to the expert level in two months. Being one of them I'm always curios why can't everyone progress in the same pace? I found out there the limiting beliefs that prevent people from being better engineers, so I'd be glad if I can help someone notice and overcome this kind of limitations. In other words, if you need to fix your website - we can fix your website. But more important, I could guide you with a friendly coaching questions to a better approach to any engineering problems. Want to improve the very foundations of your work skills? Drop me a line.

StartupsSQL • 10 yrsJavaScript • 10 yrsNode.js • 8 yrsDatabase • 20 yrsHTML/CSS • 20 yrsYii 2 • 6 yrsReact • 5 yrsSalesforceAWSPostgreSQLSeleniumTypeScriptGitLabDockerReduxGraphQLApollo

+14