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**📝 Profile Context / Summary**
With 10+ years across enterprise IT and global freelancing, I am an AI-Stack Architect—not just a full-stack developer. In 2026, the industry has shifted decisively: software is no longer just written; it is architected, governed, and continuously learned. The most valuable engineers are no longer those who simply write code, but those who can turn code into cognition—engineers fluent in the AI-stack. I am that engineer.
I design and build agentic platforms—systems where AI doesn't just assist but actively plans, builds, tests, and releases software. I have successfully delivered complex solutions across Medical, Fintech, Employee Management, and SaaS industries, handling everything from AI-native frontends to hyper-scalable microservices with autonomous agent orchestration.
**🤖 AGENTIC AI & MACHINE LEARNING**
2026 is the breakout year of AI inferencing—where trained models generate predictions and outputs from new data. Most AI computing is now spent on inference rather than training. I specialize in:
Agentic AI & Orchestration: LangChain, LlamaIndex, AutoGen, CrewAI—building multi-agent systems that plan, act, and adapt in real time. Full-stack agent platforms combining proprietary training data, planning models, and custom actuation layers.
Generative AI & LLMs: OpenAI GPT-4/API, Google Gemini, Anthropic Claude, HuggingFace Transformers. Retrieval-Augmented Generation (RAG) with vector databases (Pinecone, Chroma, Weaviate, FAISS).
AI-Native Development: 42% of committed code is now AI-generated, projected to reach 65% by 2027. I don't just use AI tools—I orchestrate AI agents across the entire SDLC: planning, design, build, test, deployment, and maintenance.
Deep Learning & Classical ML: TensorFlow, PyTorch, CNNs (Computer Vision), RNNs/LSTMs (Time-Series/NLP), Scikit-learn, Pandas, NumPy.
Model Deployment & Optimization: Model compression, quantization, edge computing, cost-per-prediction optimization.
AI Governance & Security: AI-generated code carries roughly double the security risk violations of human-written code. I implement robust governance, testing, and security controls for AI systems.
**⚛️ MODERN FRONTEND**
React remains the most widely used UI library, with 67% of new enterprise React projects now built on Next.js—a 300% increase since 2023. React Server Components are now the default:
Core: React 19, Next.js 16 (App Router, Server Components, Turbopack), Remix, Svelte 5 (runes), Astro.
Styling: Tailwind CSS, shadcn/ui (1.87M weekly downloads), Framer Motion, Material-UI.
State: Zustand (35% adoption, 35ms updates) vs Redux (38% adoption, 65ms), TanStack Query, Jotai.
Build Tooling: Vite 8 with Rolldown (Rust-based, 10-30x faster builds), Turbopack.
TypeScript: Used by 38% of professional developers, required in 72% of frontend job postings.
**📱 MODERN MOBILE**
React Native's New Architecture (stable since 2024) delivers significant performance improvements through synchronous native module calls:
Frameworks: React Native (Expo), NativeScript, Flutter.
Native: iOS (Swift/SwiftUI), Android (Kotlin & Jetpack Compose).
Emerging: GPU-powered rendering for consumer and enterprise apps.
**⚙️ MODERN BACKEND & API**
Runtimes: Node.js (NestJS, Express), Bun, Deno, Python (FastAPI—57.9% developer usage, up 7% from 2024), Java (Spring Boot 4.0—modularized, Java 25 LTS support).
Spring AI 1.0: Built-in support for integrating LLMs and AI services into enterprise Java applications.
API Design: RESTful, GraphQL (Federation), gRPC, Webhooks, WebSockets.
Event-Driven: Apache Kafka, RabbitMQ, AWS SNS/SQS.
**☁️ DEVOPS & CLOUD (2026 Standard)**
Cloud-native and Serverless adoption has surpassed 70% penetration in enterprise IT. Multi-cloud is now the standard—Gartner projects over 75% of cloud customers will adopt this model:
Cloud: AWS, GCP, Azure (multi-cloud architecture).
Containerization & Orchestration: Docker, Kubernetes (K8s), Helm.
Serverless: AWS Fargate, Lambda, Cloudflare Workers—extending to data pipelines, real-time streaming, and event-driven microservices.
IaC: Terraform, AWS CDK, Pulumi.
CI/CD: GitHub Actions, GitLab CI, ArgoCD, Jenkins.
**🗄️ DATABASES & SEARCH**
Relational: PostgreSQL (PostGIS), MySQL, SQLite.
NoSQL: MongoDB, DynamoDB, Firebase.
Vector (AI): Pinecone, Chroma, Weaviate (for RAG and semantic search).
Search: Elasticsearch, Algolia, Meilisearch.
Caching: Redis, Memcached.
**🔗 CRM, AUTOMATION & INTEGRATION**
In 2026, the CRM market is consolidating around Salesforce, Microsoft, ServiceNow, and HubSpot as a durable challenger. Both platforms have invested heavily in agentic AI, predictive intelligence, and conversational AI:
CRMs: Salesforce (Apex), HubSpot (Agentic Engagement Object), Zoho.
Low-Code/No-Code: Gartner forecasts the low-code market at $44.5 billion in 2026, with 75% of new enterprise apps built on low-code platforms.
Automation: VBA, Excel Macros, Google App Script, Bubble.io, n8n, Make, Zapier.
Citizen Development: 80% of low-code users are now "citizen developers".
**🚀 Why Partner With Me in 2026?**
The software industry has crossed a clear threshold in 2026. Generative AI is no longer just helping developers write code faster—it is reshaping how software is planned, built, tested, and delivered. The role of the developer has evolved from coder to curator of intent, constraints, and outcomes.
**I bring:**
10+ years of battle-tested engineering across the full spectrum.
Agentic AI fluency—the ability to orchestrate AI agents across the entire SDLC.
Systems thinking and architectural judgment—skills that AI cannot replace.
Security-first mindset—AI amplifies what's already there; where code quality is managed, AI accelerates delivery; where it isn't, it accelerates technical debt and security exposure.
Whether you need an AI-native application, a microservices overhaul, an agentic workflow orchestration, or an intelligent CRM integration—I deliver professional, scalable, and governable solutions.
Let's architect intelligence together.
**Contact me today.**
Always learning and always yearning, I sincerely believe that we can achieve greater heights by collaborating on our problems. I love to be involved with technical communities in different capacities and enjoy solving issues. I have had more than 50 mentoring sessions on HackHands ( http://www.hackhands.com/hiren ). Currently I run my own business, which is into mobile apps and websites.
Having spent the last 7 years working as an Android developer, my passion lies in building elegant and responsive user experiences. During this time, I have worked with a wide range of organizations including start-ups, multinational companies, and government departments, and developed several front-end and back-end applications. I am also passionate about teaching what I have learned and inspiring the next generation of tech enthusiasts.
Thanks for stopping by.
Are you not sure how to build your website or mobile app to deliver your service to thousands of users?
Is your user experience on your site causing people to not use your service?
Is it very hard for you to find a high quality and reliable developer who complete your project on time and not create a mess?
I am a software entrepreneur and created many web and mobile platforms for multiple internet companies from scratch.
I've helped companies in U.K, Canada, U.S.A and Dominican Republic do the same. With over 6 years of experience in the web and mobile industry, I know the correct path to navigate the technology world.
What can you expect:
- Availability: You will be able to reach me easily.
- Challenge: I will provide unique solutions to any business challenges that you throw at me.
- Deadline: A fast and professional service so your project is finished before the deadline.
- Trust: A long term business relationship
- Problem Solving: Have a sharp narrow focus on what make your business cash
What I can do for your business:
- Build a payment ready website or mobile app that brings in recurring revenue monthly
- Create SaaS(Software as a Service) technology
- Architect your technology stack to scale with best practices
- Integrate you with Third Party Integrations (Stripe, Facebook, Google, etc.)
- Help understand your business and process problems and create solutions to cut cost
Stacks I can help you with:
- PHP
- frontend Javascript (Angular, React, Jquery)
- backend Javascript (Node)
- AWS Configuration
- AWS Lambda / AWS APIGateway Serverless Technology
- Linux Devops
- Python
- UI Design
- UX Design
- Ionic Hybrid Apps
- Android & IOS Apps
Projects I've worked on:
Accedo Studio
https://www.accedo.tv/studio/
Built a Code configuration tool that generates a JSON configuration for video apps.
Video Apps can be changed in real time by changes in configuration.
Deployed multiple microservices to accomplish this.
Shiftpost
https://play.google.com/store/apps/details?id=com.sixtooth.Rxpost&hl=en
Created a pharmacy and pharmacist shift scheduling app.
Using a proprietary algorithm, we matched pharmacist to work shifts in pharmacies and handle payment between the two.
BitcoinAverage Crypto Ticker App
https://play.google.com/store/apps/details?id=com.bitcoinaverage.bitcoinapp&hl=en
Created a Crypto Ticker app retrieving current prices for different crypto currencies in real time.
Price alerts and real widget was included.
Scoolist (Company out of business now)
https://twitter.com/scoolist?lang=en
Helped them create a web platform where students can retrieve information about all universities across the world on one platform.
Telus (Enterprise)
http://www.telus.com/my-account/?linktype=nav
Worked on Telus Self Serve Billing platform. Developed billing and usage for this platform.
FAI App (Medical Encyclopedia)
https://itunes.apple.com/ca/app/faiapp/id1091533003?mt=8&_redirected
Worked on creating a medical encyclopedia application where doctors can view latest articles, directory of other doctors, chat and discuss, upload their own articles.
CubaChat
Created Chat application for offline usage in cuba where people don't have consistent data. Used a email based system to supplement offline usage.
Yesup
http://www.yesuphost.com/
Created workflow engine to automate the delivery of dedicated servers. Every job is past to right person and was customizable at anytime.
Ad Engine
https://www.myadmarket.com/
Worked on dashboard and configuring platform to launch your ad campaigns
If this interest you, send me a message and let's have a call on how I can help you with your business.
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
**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.
Tech Lead and Mentor with ten years of experience in various domains and tech stacks following the industry's best practices, architecture, testing, code reviews, debugging, profiling, and CI/CD pipelines.
**I have something special for you - let's discover:**
- Student discount is applied automatically.
- Displayed rate is not pocket friendly - no worries - I have something special for you.
<br/>
**Highlights:**
- Mentoring is one of my passions, and I have helped numerous mentees on their journey to become successful developers in various fields such as web, native mobile, and cross-platform development.
- I have helped many developers to fix critical bugs and implement complex features on the platform.
- Proficient in working with teams on software development life cycle(SDLC) from requirement gathering or planning, defining, designing technical architecture, building or developing, testing, deploying, and maintaining applications
- Well verse with development process/tools like Github Actions, CircleCI, CodeMagic, Fastlane, Jenkins, BuddyBuild, Git workflow, Github workflow, Agile PM tools, Continuous integration, and continuous deployment(CI & CD), Test/Domain-driven development with keeping healthy test code coverage, etc.
- Proficient in creating and working with different kinds of APIs - REST / GraphQL
- Proficient in working with databases SQL and NoSQL
- Proficient in object-oriented design, data structures, problem-solving, complexity analysis, and debugging.
- Proficient in writing efficient, maintainable, reusable, testable code that preserves privacy and security.
- Proficient with different platform/services integrations
- Right knowledge of toolset and libraries for effective and productive work.
_**If you’re stuck with architecture decisions, scaling issues, or modern Node/Next.js challenges, I can help you move forward quickly and confidently.**_
I’m a Senior Full-Stack Engineer with 20+ years of professional experience, helping startups, founders, and engineering teams design, build, and scale reliable web applications.
I’ve delivered production-grade systems including e-commerce platforms, SaaS products, content management systems, real-time dashboards, and internal tooling. My recent work focuses heavily on NestJS backends, Next.js applications, and AI-driven automation using n8n.
I’ve worked across healthcare, quick commerce, and service-based platforms, often stepping in to:
* Review and improve existing architectures
* Fix performance and scalability bottlenecks
* Guide teams on best practices and clean code
* Help founders make the right technical decisions early
I communicate clearly, ask the right questions, and focus on practical solutions—not overengineering.
Core Technical Expertise
------------------------
**Languages**:
JavaScript, TypeScript, Python, PHP, Java
**Backend & APIs**:
Node.js, NestJS, Express.js, Django, Spring Boot, Laravel
REST APIs, Event-driven systems, Background jobs
**Frontend & Full-Stack**:
Next.js, React.js, Angular, Vue.js
Convert design into responsive and interactive web applications
SEO-friendly apps, dashboards, and admin panels
**Databases & Messaging**:
MongoDB, PostgreSQL, MySQL, DynamoDB
RabbitMQ, Apache Kafka
**AI & Automation**:
n8n, AI bots, workflow automation, third-party API integrations
**CMS & E-commerce**:
WordPress, Drupal, Magento
Custom plugins, performance tuning, security hardening
**Cloud & DevOps**:
AWS, DigitalOcean, Linode
CI/CD pipelines, deployments, scaling strategies
How I Can Help on CodeMentor
----------------------------
🧠 Architecture reviews (NestJS / Next.js / SaaS)
🛠️ Debugging complex backend or async issues
🚀 Performance & scalability improvements
🤖 AI & automation workflows using n8n
📈 Guidance for startups & small teams
🧑🏫 Mentorship for mid-to-senior developers
Reasons to Choose Me
--------------------
20+ years of real-world engineering experience
Clear, honest, and structured communication
Strong grasp of system design & trade-offs
Reliable delivery with professional discipline
Focused on long-term, maintainable solutions
Available for:
- Technical Mentorship / Career Consulting
- Interview Preparation Mock Interviewing (especially with respect to FAANG and similar rated companies).
Around 15 years of experience primarily in Backend Development but extended to Front-End (HTML/CSS, JS, React, Angular etc) and Mobile App Development (iOS/ Android). I have worked primarily with Java but have experience working on many other languages like Javascript, Python, Ruby, Objective C, Swift etc.
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
STEP 1
Post a iOS request
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STEP 2
Review & chat with iOS freelancers
Use our messaging feature to instantly chat with freelance iOS developers around the world.
STEP 3
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Choose the best freelance iOS developer that meets your needs.
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.