Atlassian Certified Jira Consultant and Forge Developer with 15+ years of experience and 3500+ hours of Jira Administration.
Expert in Jira addons Structure, BigPicture, eazyBI, Tempo, ScriptRunner, Rich Filters, Jira Automation, and Forge App Development. I help companies transform Jira from a task tracker into a scalable delivery, reporting, and service management platform.
Specialized in Jira Software, Jira Service Management, integrations, custom development, and enterprise Jira frameworks.
Achievements
⭐️ Atlassian Certified in Managing Jira Projects for Cloud
⭐️ Atlassian Certified Jira Administrator for Cloud
⭐️ 20+ clients (10 to 500 users), doing fixed price projects and providing longterm Jira support
⭐️ 3500+ hours of Jira administration
⭐️ 16+ years of working experience as team lead and project/product manager
⭐️ led 16 workshops on different Jira topics
⭐️ speaker at IAMPM courses
⭐️ Forge developer
⭐️ developed MS Project plugin for JIRA integration
I can help you with
🛠 configure custom workflows, custom fields, screens, permissions and notifications settings
🛠 automate processes and repetitive tasks (Automation add-on and groovy scripting with ScriptRunner add-ons)
🛠 create advanced custom reports of any complexity for Jira Server/DC (inside JIRA or in 3rd-party BI solutions and reporting services)
🛠 develop MS Project addons for integrations with other tools (like Jira)
🛠 analyze JIRA Server data using SQL working directly with database. Such a practice helps clients to get quick insights from Jira data and to find data inconsistencies
🛠 custom development of API’s, integrations with Tempo and Table Grid Editor API
🛠 help you to decide on the best suitable and powerful enough add-ons
🛠 configure third-party add-ons (Tempo Timesheet, Tempo Planner, EasyBI, Table Grid Editor, Rich Filters, SIL, Structure, Big Picture)
🛠 audit your instance, point to the bottlenecks, suggest improvements and implement an instance cleanup
🛠 provide a consultancy service or ongoing support
During my career, I've worked with the Atlassian tools as a:
🔥 Project/Product/Program Manager
🔥 Team Lead
🔥 Jira Administrator
🔥 CMMI Appraisal Team member
🔥 Software Developer (Oracle and MS SQL Server DB Developer)
This experience helps me understand business processes for different project roles
My favorite Jira add-ons are ScriptRunner, MyGroovy and EasyBI. These add-ons allow making complex automations, integrations and data analyses with no limits.
My approach is to be a business analyst before doing any task. At the beginning, I try to understand client needs and requirements. In most cases, I develop a prototype or simulate the case in my test environment. Then I suggest effective ways to accomplish the task based on my experience and knowledge of best practices. I’m organized, committed to quality, process and result oriented
If this is something I can help you with, please reach out!
Contact me for any Jira consultation task
Microsoft Project
SQL
Microsoft Power BI
Apache Groovy
API Integration
Jira
Atlassian Confluence
Project Management
Microsoft SQL SSAS
SQL Server Reporting Services
SQL Server Integration Services
Kateryna Z.
Kharkov, Ukraine
$30/hr
5.0
47 jobs
I help startups and enterprises build scalable mobile products - from MVP to production-ready applications.
I lead a team of mobile engineers specializing in GPS Navigation, SportTech, connected devices, and AI-powered mobile solutions.
We don't just write code - we help companies transform ideas into reliable digital products with strong UX, scalable architecture, and business-focused execution.
What we bring:
✓ Full-cycle mobile development
From product strategy and UI/UX to Flutter, native iOS/Android development, backend integration, and app store delivery.
✓ GPS & Connected Device Expertise
Experience building navigation apps, tracking solutions, BLE integrations, wearables, and real-time data products.
✓ Scalable Engineering
Backend expertise with Java, Spring Boot, Quarkus, Kafka, REST APIs, and cloud-ready architectures.
✓ Product Mindset
Focus on user experience, time-to-market, maintainability, and building solutions that support long-term growth.
Core technologies:
• Flutter
• Kotlin / Android
• Swift / iOS
• Java / Spring Boot / Quarkus
• Kafka & event-driven systems
• GPS, BLE, APIs, cloud integrations
If you are looking for a reliable mobile technology partner to turn your idea into a production-ready product, let's discuss your roadmap.
Android
iOS
Flutter
Kotlin
AWS Application
React
UX & UI Design
React Native
Swift
iOS Development
Mobile Development Framework
UI/UX Prototyping
Web & Mobile Design Consultation
Karyna Z.
Odessa, Ukraine
$25/hr
5.0
78 jobs
If you want to get a high-quality design in a short time (or even URGENTLY) - write to me!
Hi, Nice to meet you!) I have been a graphic designer for 8 years.
I create high-quality digital and print designs for businesses and individuals.
In my portfolio, you can see various works on different topics and for different fields of activity.
When working with me, you can be sure that I will understand the meaning and pay close attention to details.
Check out the customer reviews of my work, and let's get started!)
I am also available for regular collaboration.
I can help you create:
POLYGRAPHY:
- paperback book
- brochure layout
- print design
- banner ads
- poster ads
- business cards, forms
- package design
DIGITAL:
- presentation
- PDF
- e-book layout
- banner ads
BRAND:
- brang guideline
- logotype
- brandbook
- marketing strategy
and other materials for your company
I can prepare any layout for printing.
I work in:
- Adobe Illustrator
- Adobe InDesign
- Adobe Photoshop
Print Design
Brand Identity & Guidelines
Adobe InDesign
Logo Design
Brochure
Editorial Design
Graphic Design
Adobe Acrobat
Adobe Illustrator
Layout Design
Page Layout Design
Ebook Design
Marketing Advertising
PDF
Brand Book Design
Andrew R.
Kyiv, Ukraine
$60/hr
5.0
9 jobs
I build AI that automates real business workflows — document processing, knowledge search, customer support, and order operations — and integrate it into the tools your team already uses.
My focus isn't adding AI for show. I find where repetitive work, scattered data, and manual decisions cost you time, then build a practical system that removes the bottleneck.
I can help you with:
- AI chatbots connected to your website, docs, products, or internal data
- RAG knowledge assistants that answer from your own sources, with citations
- Document and invoice processing using OCR + LLMs
- AI-assisted order, product, and data workflows
- Integrations with WordPress, WooCommerce, CRM, ERP, and custom apps
Why the engineering matters:
I bring 10+ years of production web, e-commerce, and business automation. The goal has always been the same — remove repetitive work — and AI is simply a far more capable tool for it. That experience means your AI doesn't arrive as an isolated demo: it ships inside a maintainable app with authentication, permissions, APIs, databases, logging, and deployment.
Tech: OpenAI & Claude APIs, RAG, vector databases, OCR / document AI, API and tool integrations (incl. MCP), Next.js, Node.js, Laravel, PostgreSQL, WordPress, WooCommerce.
How I work:
- Understand the workflow and the business goal
- Define the smallest useful version and success criteria
- Build and integrate it into your existing tools
- Deploy, measure, and improve on real usage
My work includes headless e-commerce, automated registration and ticketing, WooCommerce integrations, internal business tools, and production sites for international clients. Top Rated on Upwork with a 100% Job Success Score.
Tell me the workflow you want to automate, the tools you use today, and where the manual work happens — I'll help you scope a practical first version.
AI Development
AI Agent Development
AI Chatbot
Generative AI
Retrieval Augmented Generation
Large Language Model
OpenAI API
AI App Development
API Integration
ChatGPT API Integration
Business Process Automation
Natural Language Processing
Chatbot Development
Next.js
Node.js
React
WordPress
WooCommerce
PHP
PostgreSQL
Mariia A.
Lviv, Ukraine
$30/hr
5.0
29 jobs
One brand. One vision. Total consistency.
In a world of fragmented content, I help businesses build a unified visual identity that works everywhere—from the smallest Instagram post to a 300-page high-end magazine. With over 27 successfully delivered projects, I specialize in creating design systems that scale.
I solve your visual challenges across three main pillars:
• STRATEGIC BRANDING: I don't just design logos; I build brand foundations. Color psychology, typography systems, and scalable identity kits that make your business look like a market leader.
• EDITORIAL & PRINT EXCELLENCE: Professional layout for books, journals, and corporate reports. I handle complex grids and print-ready technicalities with the precision of a senior art director.
• HIGH-CONVERSION DIGITAL ASSETS: Social media systems (Instagram/LinkedIn), pitch decks, and marketing collateral designed to grab attention and drive user action in 2026’s fast-paced digital landscape.
Why clients choose my "Full-Cycle" approach:
Instead of hiring three different freelancers, you get one expert who ensures your brand's voice remains identical across print, web, and social platforms.
Tools of the Trade:
• Expert: Adobe Illustrator, InDesign, Photoshop.
• Modern: Figma, Canva (for client-led templates).
• Efficient: AI-integrated workflow (Midjourney/Firefly) for rapid prototyping and unique asset generation.
Ready to elevate your brand’s entire visual ecosystem? Let’s talk.
Brand Identity
Editorial Design
Layout Design
Visual Identity
Logo Design
Social Media Design
Illustration
Product Design
Brand Book Design
Brand Guidelines
Corporate Brand Identity
Typography
Presentation Design
Figma
Adobe Creative Cloud
Danii S.
Oleksandriya, Ukraine
$35/hr
5.0
1 jobs
Expert React Native & Expo mobile app developer with over 8 years of hands-on experience building high-performance, scalable, and user-friendly cross-platform applications for both iOS and Android.
I specialize in turning ideas into successful published apps — from MVP development to App Store & Play Store deployment, user acquisition, and post-launch growth using mobile measurement and marketing tools.
𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞
Core Stack:
— React Native (Advanced / Expert level)
— Expo (Bare Workflow, Custom Dev Client, EAS Build & Submit)
— TypeScript, JavaScript (ES6+)
— Redux / Redux Toolkit / Zustand / MobX (State Management)
— React Navigation, React Query (TanStack Query), Axios
Key Tools & Integrations:
— Payments & Subscriptions: Stripe, RevenueCat, Superwall (paywall optimization)
— Analytics & Marketing: Appsflyer (MMP), Firebase Analytics, Mixpanel, Amplitude
— Backend: Firebase, Supabase, Node.js, AWS Amplify
— UI/UX: NativeBase, Tamagui, Styled Components, Reanimated 2/3, Gesture Handler, Lottie
— Performance Optimization: Hermes Engine, Flipper, React Native Debugger, Code Splitting, Memoization, Image Optimization, App Size Reduction
— Testing: Jest, Detox, React Native Testing Library
— CI/CD & Deployment: EAS (Expo Application Services), Fastlane, GitHub Actions
Mobile Platform Experience:
— Deep knowledge of iOS (Swift bridging when needed) and Android (Kotlin/Java modules when required)
— App Store and Google Play publishing, ASO (App Store Optimization), provisioning profiles, code signing, and release management
𝐖𝐡𝐚𝐭 𝐈 𝐃𝐞𝐥𝐢𝐯𝐞𝐫
I don’t just code I help you build market-ready mobile products. My typical project flow includes:
— Rapid MVP development (usually 4–8 weeks depending on complexity)
— Pixel-perfect, smooth, and native-like UI/UX with excellent performance
— Subscription-based apps with optimized paywalls (strong experience with Superwall + Stripe)
— Deep integration with Appsflyer for attribution, fraud prevention, and marketing analytics
— App performance optimization (60fps animations, fast loading, low battery consumption)
— Secure, scalable, and maintainable codebase following best practices
— App Store / Play Store submission and rejection handling
𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞
— Fast delivery without compromising code quality
— Strong focus on performance & user experience — apps that feel truly native
— Clean, well-documented, and scalable code (easy for other developers to continue)
— Proactive problem-solver who suggests better technical and product solutions
— Excellent English communication and regular updates
— Long-term mindset — I treat your app like my own
Whether you need a new app from scratch, a redesign, performance optimization, subscription system implementation, or post-launch marketing integration (especially with Appsflyer), I can help you achieve your goals efficiently.
I’ve successfully delivered more than 15 mobile applications (most built with React Native + Expo) across various industries including fintech, health & fitness, social, e-commerce, and productivity.
𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐛𝐮𝐢𝐥𝐝 𝐬𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐠𝐫𝐞𝐚𝐭 𝐭𝐨𝐠𝐞𝐭𝐡𝐞𝐫?
If you're looking for a reliable, skilled, and results-oriented React Native Expo expert who understands both development and the business side of mobile apps (subscriptions, user acquisition, analytics), feel free to message me.
Let’s discuss your project and see how we can work together to bring your idea to life successfully.
React Native
Expo.io
Mobile App Development
iOS Development
Android App Development
Hybrid App Development
TypeScript
JavaScript
Stripe
In-App Subscription
App Store Optimization
Performance Optimization
Firebase
Redux
Fastlane
Supabase
In-App Purchases
Push Notifications
Ionic Framework
Flutter
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