React Native + Expo Expert Needed for Urgent Migration (SDK 35 Compliance)

"EXPO-URGENT" Hello!
My name is Alexey, I represent a group of developers - NC-1.
In our team, there is a specialist (full stack, middle) with the necessary experience and knowledge for you. The hourly rate is 82 PLN.
Stack: React, React Native, Expo, Next, Vue, ChartJs, Mobx, Redux, Material-UI, Fluent-UI, Bootstrap, Antd, NodeJS, Nest, Express, Koa, Meteor, MongoDB, PostgreSQL, Redis, Mongoose, Typegoose, Typeorm, JWT/JWTR, JavaScript ES6+, TypeScript, HTML/CSS, SASS/Less, Tailwind, Styled-component, Git, JSON, RESTful, GraphQL, Firebase, Axios
Responses:
• Links to applications that you have updated or released (Expo SDK 52+) -
https://play.google.com/store/apps/details?id=co.classplus.pes
https://play.google.com/store/apps/details?id=com.itbees.zdamyprawko
https://apps.apple.com/ru/app/breeze-bms/id1645532722
… • Brief description of your update process -
My process starts with a phased migration (49→51→54) based on your audit, with immediate resolution of dependency conflicts and builds. Then I conduct comprehensive testing on both platforms to ensure stability and compliance with store requirements.
• Your estimated time and price - Preliminary deadlines and cost: 8,200 PLN, 20 days
• Confirmation of immediate availability - I confirm
• Can you handle submission to the store (Play Store / TestFlight) - yes

🎯 Bonus points
• Experience migrating to a new React Native architecture - yes
• Experience with CI/CD (EAS Build, GitHub Actions, Fastlane) - yes
• Openness to long-term cooperation for maintenance - open
Cases - https://1drv.ms/b/c/b7a0d31a9dae1bc5/EeH6JPdpBbpKtrkA1zFQOIMBAmqUcd_Ptx5tt5p9hBNG-g?e=wXDGHh
Portfolio - https://nc-one.com/case-studies
Best regards,
Alexey M.

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Hello! 👋 I represent 256Devs. We will take on an urgent migration of RN + Expo from 49 to Expo SDK 54, ensuring compliance with Google Play API Level 35 and Xcode 16; we will go through the completed audit, update dependencies (Navigation/Reanimated/Firebase), resolve native conflicts, check Auth0 + GraphQL, and perform regression tests on key flows. Please send the repository, audit/checklist, and deadline — we will synchronize the plan.

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Hello.
I was interested to learn about your project. I am confident that I can do effective and quality work that meets your requirements and expectations. I have over 8 years of experience. I am ready to discuss the details and start working. I look forward to your response.

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EXPO-URGENT
Hi! This week I also migrated from version 33 to 36 of the API SDK, which triggered a lot of dependency updates - including React Native and several other libraries. It turned out to be quite a time-consuming task.

EXPO-URGENT

Hello,
I am interested in supporting your Expo migration.
I have strong experience with React Native and Expo, including upgrades to SDK 52–54.
I have worked with complex production apps and handled step-by-step migrations across major versions.
I am comfortable updating dependencies, resolving native build issues, and ensuring full compliance for both Google Play and App Store.

I have experience with Apollo, React Navigation, Reanimated, Firebase, and other common libraries.
… I also worked with Auth0 and GraphQL, so verifying backend connectivity will be smooth.
I test on real devices and make sure both platforms run stable builds.

My upgrade process
• Follow the audit plan step by step
• Upgrade Expo 49 → 51 → 54
• Update all libraries to compatible versions
• Fix build errors and conflicts early
• Test core flows on Android and iOS
• Prepare builds for Play Store and TestFlight if needed

I communicate clearly in English and provide regular updates.
I can start immediately.

Timeline: Around 2 weeks
Apps: I can share links to upgraded apps on request.
Availability: Ready now.
Store submission: Yes, I can handle it.

Thank you for your consideration.
Jeo Vincent Carretas

EXPO-URGENT
Hello, I have experience updating applications on RN Expo.
I will be happy to help you!

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Hello, Nice to meet you.
With over 3 years of experience in React Native and Expo, I have successfully completed similar upgrades and am confident in my ability to execute this migration efficiently and effectively.

Stepwise migration from Expo 49 to 54 (49 → 51 → 54).
Update all dependencies as outlined in the technical audit.
Address any build or dependency conflicts that arise during the process.
Verify backend connectivity with Auth0 and GraphQL.
Conduct thorough testing of key features across both Android and iOS platforms.
Assist with Play Store and TestFlight submission as needed.
…
Estimated Time: I anticipate completing the migration within 2 weeks, with flexibility up to 3 weeks if required for stability and testing.
My hourly rate is $20 and I am open to long-term collaboration.