Hire the best Programming Languages Freelancers in Croatia

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$70 hourly
Neven D.
- 5.0/5
- (19 jobs)
👋 Hello! 👉 I'm an experienced Software Developer with over 10 years of experience. 👉 You can expect quick turnaround, timely updates about your project with full transparency ✅ Top Rated | 100% Job Success Score ✅ I'm quite flexible and easy to work with 👉 You can hire me as solo freelancer. 👉 If you have an existing team in-house or a team of freelancers I have no problem jumping in quickly learning the ropes and becoming a part of a team. 👉 Also I am able to assemble a team fast to expedite the project according to your specific needs. ✅ I can help you with 👇👇👇 👉 Mobile App Development Flutter, React Native (Expo and React Native CLI) Help with Apple and Google app publishing process on their respective app stores 👉 Web App Development (Frontend, Backend) JavaScript, TypeScript, React, Vue, NextJS, NodeJS, PHP, Laravel Tailwind, Bootstrap, CSS, HTML MySQL, PostgreSQL, MongoDB, Firebase, SupaBase WebSockets, WebRTC, APIs 👉 Artificial Intelligence (AI) Development & Integration OpenAI GPT-4, Anthropic Claude, Google Gemini, LLaMA, Mistral, Gemma, LangChain, LlamaIndex, Transformers QLoRA, RAG, Prompt Engineering Stable Diffusion, Whisper, LLaVA 👉 Cloud & DevOps AWS, Azure, Google Cloud Platform, Heroku, Vercel, Digital Ocean Application Deployment, Domain Setup, Infrastructure Setup, Git & Pipelines 👉 CMS: Wordpress, WooCommerce, Shopify, Strapi Custom Plugin Development, Shop setup, 3rd party integrations, payment gateway setups, theme modifications Automations, AI integrations, Migrations 👉 Project Management / Engineering management Running a project for you, writing technical specification for developers, leading a team ✅ I'm confident that I can help you out and if you think my skillset solves your problem, go ahead and message me. I'm happy to help even if we don't end up working together. Cheers, Neven

Programming Languages
Mobile App Development
Software Architecture
Software Development
React Native
Next.js
HTML
Web Development
PostgreSQL
Node.js
PHP
React
JavaScript
Laravel
MongoDB
MySQL
$75 hourly
Dominik B.
- 5.0/5
- (14 jobs)
Hello! Passionate Game Developer and Software Engineer with almost a decade of collective experience in development, game development and programming. I lead an end-to-end user-centered process that includes research, concepting, designing, interactive prototyping, development, and testing. My expertise allows me to handle projects at any stage, from initial concept to prototyping, development, and final release. How I can help you: 📍 Develop applications and games from ideation to MVP and beyond 📍 Revive, update, or fix existing applications and games in need of care and restoration 📍 Integrate new or existing applications into popular back-ends like Firebase or AWS 📍 Get previously stalled development efforts over the finish line 📍 Consult on feature possibilities, App Store Guidelines, and monetization strategies 📍 Perform code reviews and provide actionable feedback 📍 Set up back-end endpoints and databases using popular frameworks such as SQL 📍 Optimize application performance and user experience for better engagement and retention 📍 Implement advanced features such as AI, AR, and VR to enhance game and app functionalities 📍 Ensure cross-platform compatibility and seamless user experience across devices 📍 Provide continuous support and maintenance to ensure your applications run smoothly 📍 Conduct thorough testing and debugging to deliver high-quality, bug-free applications 📍 Create detailed documentation and training materials for your applications and games Here is exactly how I stand out from the crowd: - Unity 2D/3D ➾ 4+ years - C# ➾ 5+ years - Database Development ➾ 3+ years - UI/UX Design & Development ➾ 4+ years - Extensive knowledge within frameworks and software regarding game development (Blender, Photoshop, Audacity, Feel, Photon, etc.) - Full-stack application development - Proven track record with 13 projects on Upwork alone, a 100% success rate, and Top Rated+ status - In-app purchases and ad monetization - Creation of comprehensive game design documents - Skilled in designing with Figma and integrating designs into workflows In addition to my the listed skills, I have a lot of experience working with a diverse range of clients, from large companies to individuals. My top priority is meeting deadlines and delivering the highest quality of work within the given timeframe. A blend of solid technical and business expertise ensures successful project outcomes, regardless of size. I welcome discussing your projects and helping you find success! Last updated November 5, 2024

Programming Languages
Video Game Software
In-Game Advertising
Game Development
PC Game
App Development
Software Development
Game UI/UX Design
Game Design
iOS
C++
C#
Android
Mobile Game
Unity
Game Design Document
$35 hourly
Bruno B.
- 5.0/5
- (1 job)
I am a researcher interested in state-of-the-art technologies and their applications. Mainly focused on Artificial Intelligence and its subfields. I spent my Master's exploring Machine Learning and Deep Learning concepts and their applications in various fields, with an emphasis on bioinformatics. I worked in various roles listed in my employment history, which have given me a good overview of the world of digital solutions on different levels. Motivated by opportunities that enable me to contribute to the world and make a positive impact. I do my best work in proactive, creative, and decision making roles in teams that enjoy a degree of autonomy, but I am also willing to explore anything and everything.

Programming Languages
Generative AI
Computer Science
Software Development
Artificial Intelligence
Management Skills
GPT-4
Deep Neural Network
Data Science
Machine Learning
PyTorch
Deep Learning
Python
$30 hourly
Anton K.
- 5.0/5
- (26 jobs)
I am a Structural Engineer with experience in Software Development and working as a Research Assistant with a mission of developing more economical structures. Bringing the best of modern technology and enhancing the design of structures with the application of Generative Design, AI and Automation through custom-made tools (Standalone Apps, Revit API, Dynamo, RSA API, Abaqus Script..).

Programming Languages
Software Development
Building Information Modeling
C#
ETABS
Autodesk Robot Structural Analysis
Algorithm Development
Abaqus
Finite Element Analysis
Windows Presentation Foundation
Structural Analysis
API Development
Steel Structure
Structural Engineering
.NET Framework
Autodesk Revit
$35 hourly
Luka M.
- 4.8/5
- (5 jobs)
✨ Hey there! I’m Luka, a passionate game developer, I've spent the last 8 years turning coffee into code and ideas into interactive adventures. I’m your go-to Unity wizard, whether it's enchanting PC or mobile games with C# spells or conjuring up multiplayer magic with Unity NetCode! Seeking to bring your game idea to life or level up your current project? Let’s make it happen! 🚀 Skills: - Being able to work with very little direction! - Writing clean, scalable and efficient code! - Adhering to best coding principles (SOLID, DRY, clean code)! - Proficient in version control with Git for seamless collaboration! 🧙‍♂️ Genres with higher expertise: - Card Games - Puzzle and Adventure Games - 2D Platformers - Mobile story novel games - Small scale multiplayer games 🌟 Ready to collaborate on projects that need a sprinkle of creativity and a heap of technical expertise. If you’re looking for a mid to senior-level experience who can lead your project to the finish line with both skill and experience, look no further! 💡 As for my rate, I believe in fair pricing that reflects the quality and expertise I bring to the table. Let's chat about your project and see how we can make great things happen!

Programming Languages
Audio Editing
Video Editing
Mobile Game
Game Development
Unity
Quality Assurance
Software Development
$25 hourly
Tomislav D.
- 5.0/5
- (6 jobs)
I am a Full Stack Software Developer, proficient in Front End (HTML, CSS, JavaScript, Bootstrap, Tailwind) and Backend (Flask, Django, SQL, PostgreSQL, SQLite3, MySQL, MongoDB). I also specialized in Predictive Analytics and Machine Learning. Python is my preferred coding language, but I code in different languages (JS, Rust, C).

Programming Languages
Flask
Django
Tailwind CSS
Materialize
SQLite
PostgreSQL
SQL
Bootstrap
HTML5
CSS 3
GitHub
Python Script
Software Development
JavaScript
Python
$30 hourly
David D.
- 5.0/5
- (1 job)
Dedicated and organized Solution Architect and a Fullstack Developer with bachelor and master computer science education and 4 years of experience working in the IT industry building and maintaining projects ranging from microservices to large monolith solutions in the environments which demanded strong time and priority management. My mission is to make new and existing business processes more efficient by building IT solutions with high commercial value around them. In short, the scope of my work includes: - Team management - Interviewing candidates and onboarding new team members - Collecting and suggesting user stories/features (Conducting interviews with clients) - Formulating product requirements - Requirement breakdown and task estimation - Fullstack development of the tasks (database, backend, frontend) - Writing technical and solution documentation - Testing of the developed software (TDD, writing unit and integration tests) - Deployment - Software Maintenance (database patching, bugfixing,...) ------------------------------------------------------------------------------------------------------ PREVIOUS WORK: Until August last year, I worked in Copenhagen for an IT consultancy company as a software developer. This dynamic environment required good time management, constant adaptation to the clients’ needs, and learning about their business. It also required learning new technologies necessary to provide the requested services. During my tenure in the company, I worked on five different projects as a member of SCRUM teams that counted up to seven members. My roles on these projects included frontend, backend, and full-stack development. Sometimes these roles were client-facing so I communicated directly with the clients to understand their business processes, new functionality requests, and newly emerging issues. Finally, the experience of working in a consultancy has thought me to adapt to the existing codebases fast and integrate well within the new teams. One of the projects I worked on was Rejsekort portal, where the solution is built using C#, .NET, ASP.NET, Entity, MSSQL, Angular with Typescript, and usual frontend tools - JS, jQuery, CSS, HTML. On this project, I was acting in a full-stack role, working in an agile setup, developing both frontend and backend based on the functional requirements, doing database management (implementing tables, views, indices, stored procedures, etc.), as well as being responsible for Continuous Delivery of the system (through Azure DevOps). My other tasks included incident management and analysis, along with proposing the solutions to these occurred incidents. In the past half a year, I have been working on several projects utilizing .NET 6, Java (Spring Boot and Hibernate), SQL, Node.js, and React.js with Typescript. Two of these projects are a job ad portal and a laundry management system. These systems consist of client applications and REST API services designed following SOLID principles. Both of these projects and others are referenced in my CV and are available on Github ------------------------------------------------------------------------------------------------------

Programming Languages
.NET Core
Software Development
Software Architecture & Design
Full-Stack Development
HTML
Web Development
Database Development
Python
Java
JavaScript
SQL
CSS
Node.js
React
C#
$10 hourly
Mihael V.
- 5.0/5
- (19 jobs)
🚀 Automation & AI Systems for Modern Online Businesses You don’t need to hire more people to scale—you need better systems. I help SaaS startups, agencies, e-commerce brands, and content creators automate backend operations using Make.com, Airtable, GPT-4 and more. From automating lead follow-ups to building content repurposing pipelines, I create smart, lean systems that save hours weekly and reduce human error—without needing a dev team. 🧠 What I Can Build for You: •CRM-lite automations using Gmail + Make + Sheets or Airtable •Lead nurturing pipelines (auto-email, delayed follow-ups, etc.) •Content repurposing systems (upload once → publish everywhere) •Product download workflows with Slack or email alerts •Dashboard-style Airtable setups for content, sales, or team ops •GPT-assisted logic for data entry, summaries, or email writing •Connecting forms, WooCommerce, Google Sheets, Brevo, Slack, Discord, Notion, etc. •YouTube Short → Airtable → repurpose → auto-post •Internal team tools and automations—no devs needed 🛠️ Tools I Work With: •Make.com (Integromat) •Airtable •GPT-4 / OpenAI •Google Sheets, Gmail, Forms, Drive •Brevo, Hunter.io, PhantomBuster •Zapier, WooCommerce, WordPress, Slack •FFmpeg, CapCut, Unity (bonus creative tech stuff) •Not afraid of C#, JS, or digging into APIs if needed 🧩 Why Me? •I actually build and manage these systems for my own team •I keep it simple and clear—no overly complex setups •I learn fast and am always leveling up •Clear communication, no ghosting, and I’ll always tell you if something’s out of scope 📈 Let’s Build Systems That Scale Want to stop doing the same things manually over and over again? Let’s automate it. Send me a message and I’ll look at your process—within 2 minutes I’ll tell you what I’d automate first.

Programming Languages
Content Research
Email Support
Quality Assurance
Software Development
Social Media Management
Editing & Proofreading
Virtual Assistance
Proofreading
Copywriting
Data Entry
Localization
Writing
Translation
Video Transcription
Audio Transcription
$50 hourly
Renergo S.
- 0.0/5
- (0 jobs)
Renergo Solutions is a research and development company specializing in IoT and electronics. With a focus on innovation and a drive to bring about positive change, we design and develop custom IoT solutions that are designed to meet the unique needs of our clients. Our team of experienced engineers work tirelessly to create systems that are user-friendly. We provide services from designing custom PCBs to delivering final solutions. Whether you are a individual, startup or a large enterprise, we are here to help you realize your vision for a smarter and more connected future. What we might be able to help you with: - plan your project development, - design custom circuit, - develop firmware and software, - develop manufacturing ready documentation, - design and print prototype enclosure, - small to medium quantity prototype manufacturing.

Programming Languages
Electronic Design
Electrical Layout Design
Electronics
Project Planning
ARM Microcontroller
App Development
Project Engineering
Electrical Design
Software Development
Hardware Troubleshooting
Project Management
Digital Electronics
Product Development
Electrical Engineering
C++
$35 hourly
Jakov Z.
- 0.0/5
- (0 jobs)
I am a full stack developer experienced mostly in .NET, React and PostgreSQL, but always open to learning new technologies.

Programming Languages
DICOM
FHIR
Software Development
Front-End Development
Back-End Development
RESTful API
PostgreSQL
RESTful Architecture
C#
React
ASP.NET Core
JavaScript
SQL
$25 hourly
Bojan J.
- 5.0/5
- (2 jobs)
I'm a developer with extensive experience in building native mobile applications. With over 15 completed projects under my belt, I've tackled everything from small-scale marketing apps to large VPN and intranet solutions. * Skills: Kotlin, Java, XML, Swift, Objective-C. * Project Management: I manage projects from concept to completion, ensuring everything runs smoothly. * Communication: I believe in regular communication to ensure we're always on the same page. Let's stay connected!

Programming Languages
Smartphone
Application
Product Development
macOS
iOS
Android
Mobile App
Software Development
$8 hourly
Borna B.
- 5.0/5
- (2 jobs)
Python & Web Developer & Automation Specialist. I create web scrapers, bots, tools and AI-driven solutions to streamline processes and enhance productivity. With a strong focus on quality and efficiency, I deliver solutions that meet your requirements.

Programming Languages
Web Application
Web Development
API Integration
API
Web Scraping
Software Development
Automation
Python Script
$35 hourly
Ihor R.
- 0.0/5
- (0 jobs)
I’m a developer experienced in building web and enterprise solutions. Whether you’re creating web application or large high-load system, I can help. * .NET, ASP.NET, Azure, AWS * Team fulfillment and one-time development job * Regular communication is important to me, so let’s keep in touch

Programming Languages
Software Development
Software Architecture
Docker
Apache Kafka
Entity Framework
ASP.NET
SQL
Amazon Web Services
Microsoft Azure
.NET Framework
.NET Core
Web Development
$45 hourly
Philip T.
- 0.0/5
- (0 jobs)
My name is Philip Tomlinson, and I'm a Freelance Blazor Developer. I have developed Blazor web applications since 2020, through which I bring my full-stack programming expertise to help deliver great web experiences. My freelance journey began in 2013, starting with a small network of trusted former colleagues and employers. In the years since, I have enjoyed building new and lasting working relationships with a growing number of clients, mostly through existing projects and recommendations. My commercial programming experience is backed up with a degree in Software Engineering from the University of Bradford in 2004, where my foundations in C# .NET originated.

Programming Languages
Software Development
Web Development
Razor Template Engine
JavaScript
Sass
CSS
HTML
Entity Framework
.NET Framework
C#
Blazor
$15 hourly
Patrick S.
- 0.0/5
- (0 jobs)
Hi, I’m Patrick, a No-Code expert specializing in building scalable SaaS solutions for digital entrepreneurs. Over the past two years, I’ve successfully developed 10+ No-Code applications, helping businesses launch and grow without the need for traditional development. With a background in marketing and business scaling, I understand more than just development—I know how to build software that drives real results. My expertise lies in turning ideas into fully functional, market-ready products, so you can focus on growing your business while I handle the tech. If you're looking for a reliable partner to bring your SaaS vision to life, let’s talk. 🚀🚀What do I offer in my unique creative workshop? Building your first SaaS in less than 90 Days📈🔊 Probably you are tired of people quoting you multiple five-figure numbers and months to develop your SaaS, well we are here to prove to you that we can do all of that in less than 90 days for a far more affordable quote.

Programming Languages
Mobile App Development
SaaS Development
Software Development
Web Application Development
Bubble.io
$30 hourly
Roko Z.
- 0.0/5
- (0 jobs)
Backend developer, working experience with oracle database and java backend services in banking industry. Mainly used spring boot and mybatis.

Programming Languages
Atlassian Confluence
Jira
UML Diagram
Spring Boot
MyBatis
Software Development
Oracle PLSQL
Database Development
PowerBuilder
SQL
Java
$28 hourly
Vedran N.
- 0.0/5
- (0 jobs)
I’m a business analyst experienced in building IT solutions for small to medium-sized business. Whether you are trying to build a database for your business or web/mobile application, I can help. Also, I’m open to work in smaller teams on bigger projects. • Glide, Airtable, MS SQL, MS Visio, Jira, Miro, Trello • Excellent communication skills

Programming Languages
Airtable
Software Development
Miro
Jira
Trello
CRM Software
Database
Database Management
$10 hourly
Filip A.
- 0.0/5
- (0 jobs)
ABOUT ME Enthusiastic, open-minded student bent on learning. Passionate about software development, game development and deep learning. I thrive on challenges and am driven to constantly improve my skills. While I'm early in my career, I'm eager to make a meaningful impact and grow as a developer.

Programming Languages
ASP.NET
Unity
3D Modeling
Eclipse IDE
Spring Boot
Artificial Intelligence
Game Design
Database Management
SQL
C#
Python
Java
Software Development
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