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Working in the IT sector for more than 10 years.
With over 10 -years of freelancing and professional experience taught me all kinds of frameworks and languages, ranging from React, Angular, Vue, Node js, Express js, React Native, Redux, Rx JS, JavaScript, Typescript, WordPress, PHP, MySQL, MongoDB, Firebase, Sqlite, Postgresql, ES5+, Python3, Machine Learning, Deep Learning, RNN, CNN, Android Java/Kotlin, iOS Swift/SwiftUI, C/C#/C++, .Net, Assembly, VBA, VB, Excel Macro, Java, Spring Boot Micro-services, Zoho, Salesforce, Hubspot, R, Shiny, STATA, MATLAB, Google Sheet, App Script, Bubble io, etc.
Over my long career, I have come across all kinds of challenges and gained vast experience with different kinds of industries like portals, medical industry, perception exercise, employee management, etc.
I have good experience with frontend development using React JS along with Typescript, Firebase, GraphQL, React Native, Native Script, React, Material UI, Ionic, Node.js, Web Sockets, and real-time communication.
I have also worked on containerization technologies like Kubernetes, Docker, AWS, GCP, Azure etc.
I am very good with backend technologies as well like Java Spring boot, Microservices, MySQL, Postgres, Elasticsearch, AWS/Google integration.
Please contact me to get the result done in a professional way.
Full Stack Developer with 6+ Years experience with an expertise in NextJs, NestJs, React, React Hooks, Functional Components, Restful API Integrations, Error Handling and State management tools like Redux, Redux-Saga and Redux-Logic etc.
My area of expertise also includes NextJs, NestJs, React Native (iOS & Android), React Web Apps, Firebase, in-App Purchases, webRTC based Audio, Video Calling applications with chats and deployment on Google Play and App Store Connect.
I'd love to help you solve your programming problems in best possible way. Cheers!
I am a senior full-stack & DevOps developer with a track record of maintaining distributed infrastructure, recent deep experience in large-scale data pipelines and a growing skillset and interest in applied AI/LLM integration.
My recent work at an e-commerce search engine startup had me building and maintaining scrapers and a data pipeline that ingested over 10M product SKUs into an OpenSearch index, which was used for hybrid vector+lexical product search, enriched with LLM signals extracted as part of the pipeline. I've used reranking techniques like RRF to enhance relevance after retrieval, and RAG/grounding for features that answered personalized user queries with recommendations grounded in real customer reviews.
My earlier work was heavily full-stack and always involved infrastructure where I often built and supported systems end-to-end, very often in context of a regulated market - with great examples like Deckard (PropTech/GovTech), Sick Children's Hospital/RareConnect (Healthcare-adjacent), and Ethoca \[now MasterCard\] (FinTech).
I've also led IaC initiatives at Ethoca (Chef/Ansible, in 2016-17), and even implemented IaC from scratch for two startups - Pastel Labs (Terraform automation of AWS infrastructure for a B2B SaaS and a tutoring marketplace, in 2021), and Rilara (Pulumi for AWS infrastructure of their e-commerce product, in 2025-26).
My startup experience is proven track record of working independently, but I also thrive as part of a team, with most recent example of being part of Deckard's distributed remote engineering team of 25+ people spread across the US and Australian timezones.
Claude Code is part of my everyday workflow, and I am happy to consider myself a relatively-older senior developer who has successfully adapted to an AI-assisted/AI-first SDLC without compromising the quality of my work.
I would be very excited to continue my journey with an opportunity in healthcare or finance, where I could apply my IaC skills while continuing to explore the world of LLM applications to improve user experience in these regulated environments.
Should you have any questions about any of the background I mentioned here or on the attached resume, I would be glad to answer them in an interview at a time of your convenience.
Thank you!
**Who I Am
AI Engineer specializing in LLM-powered applications and agentic AI systems.
Strong background in multi-agent AI, intelligent automation, and cross-industry AI deployments.
**What I Build
1. Agentic AI Systems
2. Multi-Agent AI Platforms
3. LLM Integrations
4. Custom AI Agents
**Tech Stack & Skills
Languages: Python, JavaScript (Node.js), TypeScript
Frameworks: LangChain
Cloud & Deployment: AWS, Azure, GCP, Docker
Databases: PostgreSQL, MongoDB
Other: API development, prompt engineering, RAG
**Full Stack Development:**
**Mobile App Development** (Native/Cross-Platform iOS/Android Apps)
**Technologies / Languages I can work with are:**
JavaScript Frameworks: Angular Node React Nuxt Next Nest Vue & other..
TypeScript
Full Stack / Mean Stack / Mern Stack / .Net FullStack
.NET Core
Flutter
DevOps
Generative AI
AI ML LLM
UI UX Design - Figma, Adobe XD, Photoshop
WordPress
AWS / Azure / Heroku
Native App Development
Cross platform Applications
Server Management
Hosting / Deployment
Database Management (MySQL, Postgres, MongoDB)
Git, Jest, MaterialUI
Infra: Terraform, AWS, Kubernetes, Docker, Github Actions, Jenkins, CircleCI TDD
-->> 10+ years of experience in Development / Providing Customized Generative AI powered Solutions / Consultations work and have worked for everything from small business to unicorn startup.
**WHAT I AM LOOKING FOR**
Opportunity to collaborate with startups who are in search of a partner to build their ideas; with enterprises to transform their operations into impact-full solutions.
Hi! Am a 20+ year developer and live in California. I am an expert in iOS, Python and AI development. I have many languages and platforms I have worked in. OpenAI and AI platforms like Firebase are the main request I get and am very experienced with them. I am happy to offer my services and see how I can help you with your projects, as a developer and mentor.
Please see my attached resume, I have loads of work experiance.
[Click to view my resume!](https://docs.google.com/document/d/1Zb7WLp0nsHRN8XSudXm_4VB4oNi4S6YytsWr32kwYnY/edit?usp=sharing)
My links are [derekstock.com](http://derekstock.com/) & [https://www.linkedin.com/in/derekstock/](https://www.linkedin.com/in/derekstock/) < take a look!
I have been doing a lot of tutoring on Wyzant, here on Codementor and working contract jobs.
I am currently looking for contract remote contract or full time work, I am very flexible.
Lets talk! Hopefully we can work together!
Derek
**iOS & Android expert.**
Vivek is a seasoned Software Engineer with over **12 years of experience in Cloud & Mobility**. He has an extensive experience in building and delivering high impact projects. He works as an **Azure Architect** for major enterprise developing technologies of the future. He is also highly skilled on both the major Mobile platforms - **Android & iOS**. Strong engineering professional with a **Master's degree** in computer science. He is also an excellent trainer. He aims to utilise his vivid professional experience in helping fellow engineers and community at large.
I do it all, I do iOS (swift and Obj C) , Android (Kotlin and Java), front end (I use my own JS framework, although I know vue or react), and Node Js for my back end, I prefer MongoDB, but I can use SQL like Postgres, Been programming for nearly 20 years so I know the ups and downs. I have clone Uber, Twitter , Tinder and other major apps for clients, like "tinder for job matching between employers and candidates".
I'm Jon and I love mentoring junior engineers!
For 10+ years I lived & breathed 📱mobile.. worked on top 10 App Store apps (Google Maps, Gmail, Google search) as well as a bunch that didn't see the light of day. The pressure took it's toll finally & I followed the "burnout track" and took 6 month sabbatical (that would later turn into almost 3 years). My family & I left the bay with 8 suitcases of all our belongings, and i thought tech would only be in my rear view mirror...
I exchanged the standup desks & nap pods of silicon valley to serve families in the slums of Philippines & Cambodia. To my utter surprise and delight though, these families were happier than I was. Something was missing?
We came back to the mainland & I tried my hand at using tech for good, by working on the "strava for sobriety" app and it was amazing. I was finally helping ppl again!
But as w/ many startups, funding fell through...
I then went to help a big, well-funded startup who's goal was "tech for good", specifically in non-profit church space. I was so excited! And somehow, in the midst of "strat sums" and super fun budgets I lost my way... I actually kind of lost heart.
Hey I'm Oscar! I'm a full-stack software engineer currently working for Snapchat and I've worked with C/C++/C#, Swift, JavaScript, Golang and more!
My top frameworks are Node.JS, React, React Native.
I love helping others and finding solutions to any problem. Over the years, I have build websites, mobile apps and robust backend architectures with the latest technologies.
An avid Software Engineer with 6+ years lots of experience with Technologies like **React, React Native, JavaScript, Typescript, Nodejs, Databases, Git/version control, deployment and Best Code practices**. Don't hesitate to reach out if you need assistance on your project/tasks/challenges
How to hire a freelance iOS developer on Codementor
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Frequently asked questions
How long do iOS projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance iOS project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance iOS request on Codementor, check out our article.
How much does it cost to hire a freelance iOS developer?
We don’t charge anything when you post a freelance hiring request for iOS developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor iOS developers different?
We do a comprehensive technical and communications screen of all iOS developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing iOS developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your iOS project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.