A decade of dedicated working with flash technology in widest variety of possible applications made me an expert. I've also used to manage teams of freelancers and is good in it. Hundreds of successful projects up and running, bringing profit to their owners and pleasure to their clients.
Adobe Photoshop
Adobe Flash
Evgenii K.
Szczecinek, Poland
$40/hr
5.0
39 jobs
I help companies create memorable brands through character-driven design, illustration, character design and motion.
EXPERIENCE:
10+ years of experience and some high-profile clients, including:
✔️ TELEGRAM, a global messaging app, where I designed dozens of sticker packs, with some of them getting installed over 3.5 million times.
✔️ UNIVERSAL BANK, a major Ukrainian bank, where I created promotional videos and sticker packs used across Facebook, YouTube and other marketing channels.
BRAND & VISUAL DESIGN:
✔️ Brand identity
✔️ Mascots
✔️ Character design
✔️ Illustrations
✔️ Pitch decks
MOTION DESIGN & 2D ANIMATION
✔️ Lottie animations
✔️ Explainer videos
✔️ Static and animated stickers for social media
✔️ Social media content
✔️ Character animation
REVIEWS
🏆"Precise creative and imaginative and always on schedule. The best animator in Upwork, and I've seen a few."
🏆"Don't hesitate, book this expert freelancer !! He had very very fast turnaround on a complex illustration with motion, and the output was extremley attractive plus perfectly in line with what I had hoped to receive. Even more than I was expecting in fact. I can't wait to utilize his skills in the future."
Be sure to scroll down and explore my portfolio and other client reviews, and feel free to contact me if you have any questions.
Motion Graphics
Adobe After Effects
Adobe Illustrator
Logo Design
Illustration
Character Design
Logo Animation
Social Media Content
Sticker Design
Character Animation
Motion Design
Video Production
Explainer Video
Digital Illustration
Cartoon Art
Oleg A.
Krakow, Poland
$30/hr
5.0
61 jobs
Full-stack developer specialising in Flutter for sleek, cross-platform frontends and Java/GCP/AWS for robust backend systems. AI adopter.
Flutter Development.
7 years of experience creating high-performance cross-platform applications with Flutter, covering mobile, web, and desktop platforms. Proven ability to develop complex solutions, including networking, video streaming, marketplaces, and social applications.
Java Enterprise Development.
13 years of hands-on experience building robust Java enterprise applications, specializing in custom development for open-source ERP systems. Strong expertise in business process automation and enterprise data modelling.
Backend Expertise.
Capable of designing and integrating backend solutions, whether leveraging cloud services like Firebase and AWS or implementing custom Java-based architectures.
Experienced in implementing and automating testing processes, including unit testing and integration testing, to ensure software reliability and maintainability.
With a deep understanding of software development and a passion for creating scalable, efficient applications, I bring a results-driven approach to every project.
Push Notifications
Java
Kotlin
Android App Development
Dart
Firebase
Flutter
Spring Framework
J2EE
Apache OFBiz
Maryia K.
Warsaw, Poland
$37/hr
5.0
1 jobs
⚠️ 𝐏𝐫𝐞𝐬𝐬 𝐈𝐧𝐯𝐢𝐭𝐞 𝐁𝐮𝐭𝐭𝐨𝐧 𝐨𝐧 𝐦𝐲 𝐩𝐚𝐠𝐞 𝐚𝐧𝐝 𝐥𝐞𝐭'𝐬 𝐭𝐚𝐥𝐤
Hello! 👋
I'm a UI UX designer with over 7 years of experience leading a talented Design team at Itexus, a professional software development and consulting company. We specialize in Fintech, Healthcare, Insurance, and other industries. My expertise spans web design, mobile app UI/UX designer, graphic designer, and full-stack website development. I work on creating highly engaging and user-friendly interfaces that bring the best results. I pay close attention to usability, consistency, and engagement, and I work closely with product and development teams.
💡 Good Knowledge & Deep Expertise
With strong experience in UX & UI design, I specialize in product design, including UI UX web design, mobile app UI UX designer, and UI UX designer Figma. My team and I bring to life web application design and mobile app development projects, ensuring that users enjoy intuitive and engaging experiences.
💎 Talented & Skilled Team
At Itexus, our team consists of specialists in iOS developer, Android, Flutter, React Native, and Node.js. Whether it's creating a web designer solution or delivering a UI UX app designer interface, we ensure seamless, cross-platform experiences. We also work with tools like Figma, Sketch, and Adobe XD to create exceptional designs.
Our clients say
"I was impressed by the quality of the talent and their capacity to adjust to their client's needs and conditions."
"They will be our primary choice for our UI/UX design needs moving forward."
"We were happy with the designs and how the team followed specific instructions to make the designs we wanted."
🏆 Proven Experience & Track Record
With a proven track record of successful projects, we have expertise in designing scalable nft website solutions and creating custom SaaS UX designer interfaces. From UI UX web app designer to web designer roles, our team delivers projects that ensure maximum user engagement. Our designs are tailored to ensure long-term success for our clients.
📌 Our Skills:
We specialize in Mobile App Design for both iOS and Android, as well as Web App Design for SaaS platforms. Our expertise extends to Interaction Design, User Flow Design, and creating seamless User Experience Design and User Interface Design.
We follow a design thinking approach, ensuring every solution is user-centered and problem-solving. Our process includes UX research, wireframing, UI/UX prototyping, logo design and building style guides or UI-kits for consistent branding. Additionally, we perform Design Audits and Design QA like usability testing for web apps and mobile app testing to maintain high standards across all projects.
🛠️ The Tools We Use:
Our designs come to life through powerful tools like Figma, Figma AI, Zeplin, and InVision for prototyping and collaboration. We leverage Adobe Illustrator, Adobe Photoshop, and Adobe XD for detailed visual design. For complex wireframes and flow mapping, we turn to Axure, Sketch, and Balsamiq.
We also use Miro and Abstract for brainstorming and version control, while project communication and management happen in Slack and Jira.
🏢 Agency-Level Quality & Company Values
As an agency, we pride ourselves on delivering top-tier services with attention to detail. We ensure that each project, from UI UX wireframe creation to full-stack web and mobile app development, meets the highest standards. Our designs not only look great but also function flawlessly across multiple platforms.
🔍 Strong Experience in UI/UX Design
With deep expertise in UI/UX designer roles, I have extensive experience in creating UI UX web design, graphic designer interfaces, and designing intuitive product designer solutions. We take a meticulous approach to UI UX web app development, ensuring that the end result is both functional and visually appealing.
🌐 Cross-Platform Solutions & Clean Code
Our team ensures that we write clean code, integrating websockets for real-time communication in web applications. We also have expertise in using Wix, Webflow for responsive website design solutions, which guarantees a smooth experience on every device.
✍️ Comprehensive Design & Development Services
We offer a full spectrum of design and development services, including UIUX designer interfaces, scalable full stack website developer solutions, and pixel-perfect website design. Our Figma designer team creates high-fidelity prototypes, and our UX UI app designer experts focus on optimizing user journeys for maximum impact. From concept to completion, we deliver engaging, user-centric products.
✍️ Long-Term Partnerships & Support
Our commitment goes beyond the initial delivery. We focus on long-term relationships, providing continued support to ensure your UI UX web designer solution evolves with your business needs. Whether you need mobile app developer services or a Figma UI designer project, we are here to support you every step of the way.
UI/UX Prototyping
User Interface Design
User Experience Design
Web Design
Wireframing
Prototyping
Figma
User Flow
Graphic Design
UX & UI
Mobile App Design
Mobile UI Design
Adobe Photoshop
Responsive Design
Mockup
Interaction Design
Software Design
App Design
UX & UI Design
Website Redesign
Przemyslaw G.
Nowy Duninow, Poland
$30/hr
5.0
3 jobs
¸¸♬·¯·♪·¯·♫¸¸ 𝗪𝗲𝗹𝗰𝗼𝗺𝗲 𝘁𝗼 𝗺𝘆 𝗽𝗿𝗼𝗳𝗶𝗹𝗲! ¸¸♫·¯·♪¸♩·¯·♬¸¸
I'm a Senior EdTech Developer and Online Course Specialist. I bridge the gap between educational content and powerful tech infrastructure, helping creators, schools, and enterprises launch, scale, and monetize world-class online courses. Whether you need a custom-coded ecosystem or want to maximize all-in-one SaaS platforms, I specialize in matching your learning design with the perfect technical implementation across Moodle, LearnWorlds, Kajabi, Canvas, LearnDash, and TutorLMS.
⚡ 𝐂𝐨𝐫𝐞 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬
1. Moodle LMS Development & Administration
Certified Moodle professional handling core setups, version upgrades (including Moodle 5.x), and high-performance cloud deployments.
◾ Custom Development: Custom block/local plugins, theme customization, advanced gradebook setups, and enrollment automation.
◾ Integrations & Hosting: AWS EC2/VPS deployment, BigBlueButton/Zoom virtual classrooms, SSO (OAuth, SAML), and AI-driven features (automated quiz generation, multi-language translation via DeepL).
2. Online Course Platforms & Marketing Funnels (LearnWorlds & Kajabi)
Building high-converting, beautiful, and engaging course storefronts and student dashboards.
◾ Course Architecture: Structuring modules, setting up interactive video players, building drip-feed schedules, and configuring student communities.
◾ Funnel & Sales Setup: High-converting landing pages, checkout flows, bump offers, upsells, and automated email sequences (Kajabi pipelines).
◾ Custom Adjustments: Injecting custom HTML/CSS/JS to bypass SaaS limitations, setting up custom domains, and configuring advanced webhooks.
3. WordPress & Academic LMS Platforms (TutorLMS, Canvas, LearnDash)
Transforming standard websites into full-scale, premium academy platforms and managing heavy-duty academic learning ecosystems.
◾ TutorLMS & LearnDash: Deep customization utilizing custom hooks, REST APIs, and seamless BuddyBoss community integrations.
◾ Canvas & Academic Dev: Course migration, Canvas catalog management, custom reporting, and LTI tool integrations.
◾ E-Commerce & Subscriptions: Advanced checkout systems using WooCommerce, Stripe Connect, MemberPress, and multi-currency subscription billing.
4. Advanced EdTech & AI Integrations
I build scalable Laravel/PHP backends with REST APIs, OpenAI integrations, Stripe billing, and marketplace platforms for 100,000+ records - powered by Redis, Elasticsearch, and full AWS infrastructure.
◾ eLearning Standards: Full implementation of SCORM, xAPI (Tin Can), H5P interactive content, and gamification mechanics.
◾ AI Pedagogical Tools: Building custom OpenAI-powered AI tutors, automated evaluation systems, and smart course content generators embedded right into your LMS.
⚡ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 & 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 𝐈 𝐇𝐚𝐯𝐞 𝐌𝐚𝐬𝐭𝐞𝐫𝐞𝐝
- 𝗟𝗠𝗦: LearnDash, Moodle, LifterLMS, Tutor LMS, Masteriyo, MemberPress, BuddyBoss, Kajabi, LearnWorlds, H5P, SCORM, xAPI
- 𝗪𝗼𝗿𝗱𝗣𝗿𝗲𝘀𝘀: Custom plugins, theme dev, Elementor, Gutenberg, ACF, CPT UI, WooCommerce, multisite
- 𝗣𝗛𝗣: Laravel, CodeIgniter, Symfony, Core PHP, Composer, OOP, cURL, cron jobs
- 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React.js, Next.js, Vue.js, Nuxt.js, TypeScript, jQuery, Tailwind, Bootstrap, SASS
- 𝗔𝗣𝗜𝘀: REST, GraphQL, Webhooks, OpenAI, Stripe, PayPal, Twilio, Mailchimp, FluentCRM, Zoom, BigBlueButton, Google/LinkedIn OAuth
- 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: MySQL, PostgreSQL, MongoDB, Redis, Eloquent ORM
- 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀: AWS (EC2, S3, CloudFront, RDS), DigitalOcean, Docker, Cloudflare, Git, CI/CD
- 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 & 𝗦𝗘𝗢: SSL, Wordfence, malware removal, Rank Math, Core Web Vitals, schema markup
⚡ 𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸:
I'm hired for LMS builds, plugin architecture, system integrations, and taking complex eLearning requirements from concept to production. I prioritize clean code, scalable DB design, security hardening, and zero-downtime delivery, critical for platforms handling thousands of active students and real-time course data.
⚡ 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲:
✔️ LMS platforms built to scale - from 10 to 10,000+ students without breaking
✔️ AI integrations that actually work in production - OpenAI, DeepL, MCQ generation
✔️ Custom plugins with audit-grade code, PHPUnit tests, and zero third-party bloat
✔️ Malware removal, security hardening, and DB migrations with zero data loss
✔️ Clear communication, milestone-based delivery, and on-time completion
👉 𝗖𝗹𝗶𝗰𝗸 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 - 𝗹𝗲𝘁'𝘀 𝘁𝗮𝗹𝗸.
WordPress Plugin
LMS Plugin
Elearning
Plugin Development
Plugin Customization
LearnDash
Moodle
Learning Management System
PHP
JavaScript
WordPress
RESTful API
CSS
TalentLMS
Kajabi
Canvas
TutorPro LMS
LearnWorlds
Course
Training Online LMS
Oleksandr V.
Krakow, Poland
$40/hr
5.0
4 jobs
I'm a .NET Developer with 8+ years of experience in backend development, helping businesses create robust, high-performance API as microservices or monoliths
⭐️⭐️⭐️⭐️⭐️ "A highly capable .NET Developer. I was genuinely impressed by his technical expertise and sharp problem-solving skills. He delivered quality work and communicated clearly throughout the project."
🚀 What I Bring to Your Project as a C# Developer .Net Developer:
✅ I have 8 years of hands-on experience in enterprise-level C# Development.
✅ As a .NET Developer, I build secure and high-performing server-side applications using ASP.NET Core, focusing on speed, scalability, and smooth cross-platform integrations.
✅ Being a .NET Developer, I architect solutions with clean code principles, leveraging MVC patterns and layered architecture to deliver scalable systems that are easy to maintain and extend.
✅ As a .NET Developer, I'm skilled in designing and consuming RESTful APIs, allowing your applications to communicate effectively with third-party services and internal microservices.
✅ As a .NET Developer, my expertise in SQL Server, PostgreSQL, MongoDB and Entity Framework helps me develop lightning-fast database queries, optimize storage operations, and enforce data integrity.
✅ A .NET Developer with cloud fluency, I deploy and manage resilient applications using Azure App Services, Functions, and Blob Storage, enhancing performance and availability.
✅ As a .NET Developer Full Stack Developer, I seamlessly integrate UI technologies like Razor Pages, Blazor, and React to build user-friendly and responsive interfaces that elevate user engagement.
✅ As a .NET Developer, I specialize in building powerful desktop apps using Windows Forms and WPF—bringing modern interfaces and business logic to legacy systems.
✅ As a .NET Developer working within Agile teams, I employ CI/CD pipelines, Git workflows, and DevOps methodologies to ensure reliable and streamlined releases.
✅ A .NET Developer who prioritizes performance, I optimize memory usage, reduce lag time, and deliver systems that feel fast, stable, and scalable.
✅ As a .NET Developer, I champion quality with unit testing using xUnit/NUnit and integration testing frameworks to guarantee production-ready releases.
📊 Achievements in Numbers:
🎯 C# Developer for travel SaaS Platform:
✔ 200% decrease of time processing record.
✔ 50% fewer developers errors through proven architecture.
✔ 40% fewer downtimes through smarter exception handling and logging.
✔ 30% faster checkout process, reducing customer drop-off
✔ 70% reduction in manual work, streamlining operations and enhancing productivity.
✔ 5% revenue growth after optimizing data flows.
🎯 C# Developer for cybersecurity startup:
✔ 6 month till MVP.
✔ 1 year till product released with all features.
🎯 C# Developer for an Industrial App Project:
✔ 2x faster operations due to migration to scalable DB.
✔ 3x faster user onboarding due to well-known architecture.
🚀 Why Choose With Me As Your C# Developer/Backend Developer?
✔ 8 years of experience in .Net, RESTful Web services and APIs.
✔ 30+ successfully completed projects across various industries.
✔ 15+ satisfied clients who have seen tangible business growth.
✔ Expert in .Net, Microservice Architecture, EF Core.
✔ .NET developer microservices, dotnet developer monoliths, .Net Developer AI, C# Developer integration.
.NET developer needed? 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝘀𝘁𝗮𝗿𝘁❓
💼🤝👨💼 Just 𝗰𝗹𝗶𝗰𝗸 𝘁𝗵𝗲 "𝗠𝗲𝘀𝘀𝗮𝗴𝗲" 𝗯𝘂𝘁𝘁𝗼𝗻 𝗶𝗻 𝘁𝗵𝗲 𝘂𝗽𝗽𝗲𝗿 𝗿𝗶𝗴𝗵𝘁 𝗰𝗼𝗿𝗻𝗲𝗿. Let's Build Something Great Together!
Java
Python
C#
.NET Core
API
.NET Framework
JavaScript
ASP.NET
ASP.NET MVC
RESTful API
Microsoft Azure
SQL
Web Development
Microsoft SQL Server
API Integration
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