🏆 Top 1% Stack Overflow | Open-Source Publisher | 8+ Years Senior Engineering
I specialize in end-to-end AI and full-stack development, covering architecture, implementation, and deployment. I work with founders, SaaS teams, and product leaders to build AI-powered and full-stack applications designed to handle growth in users, data volume, and evolving requirements.
My work includes AI chatbots, internal AI agents, data-driven dashboards, and full-scale web applications built with Laravel/PHP, Next.js React, SvelteKit, Vue, TypeScript, Node, FastAPI, Django, and AWS/GCP/Azure.
✅ Testimonial
👉 “After working with developers for the past 20 years, I can confidently say that Eryk is among the most talented developers I have ever worked with.” ⭐️⭐️⭐️⭐️⭐️
👉 “Eryk is a highly capable engineer who delivers results quickly. We were searching for a full-time programmer for our start-up, and he stood out through his technical depth and speed of execution. We can confidently recommend him.” ⭐️⭐️⭐️⭐️⭐️
My approach to engineering is rooted in the critical thinking and risk management that define this discipline. I typically opt for FastAPI when low-latency AI endpoints are paramount, Django when admin-heavy workflows and integrity are crucial, and Next.js when SEO or app-like user experiences are necessary. The stack is focused on addressing specific problems rather than following trends.
I work primarily in TypeScript, building clean, maintainable applications with Next.js, React, SvelteKit, and Vue, based on product needs and team structure.
On the backend, I design REST and GraphQL APIs and backend services using Laravel, FastAPI, Django, and Node.js, and leverage platforms like Supabase and Firebase when speed, reliability, and simplicity are priorities. I’ve implemented authentication, real-time features, storage, and background workflows across both platforms in live production environments.
From an infrastructure and deployment standpoint, my work includes AWS, GCP, Docker, CI/CD pipelines, serverless deployments, cloud backends, and production DevOps workflows, supporting scalable and cost-aware systems.
Much of my recent work centers on designing and shipping production AI systems, including AI interviewers, AI video generators, ChatGPT-style applications, RAG-based knowledge systems, and internal AI tools for reporting and automation. In these projects, success depends less on model choice and more on how the surrounding system is designed. I account for context handling, cost control, observability, and system boundaries early so the product remains stable as it evolves.
I’m a senior full-stack engineer with 8+ years of experience, and I usually take full ownership of systems from architecture, backend logic, AI integration, frontend, and deployment. This leads to clearer decisions, smoother execution, and far fewer surprises after launch.
Clients usually reach out to me when:
👉 An MVP needs to mature into a long-term product
👉 An AI feature must move from prototype to real usage
👉 A system is slowing down, becoming fragile, or growing costly
👉 They want one engineer who can own the full technical picture
I’m direct, proactive, and transparent. I flag risks early, explain trade-offs clearly, and help teams make decisions they won’t regret six months later.
If you’re looking for a developer who can think like an owner, build like an engineer, and communicate like a partner, we’ll work well together.
Looking forward to speaking,
Eryk S.
Python
Next.js
React
Supabase
TypeScript
JavaScript
Node.js
Back-End Development
FastAPI
Firebase
LangChain
API Integration
Full-Stack Development
Machine Learning
Flutter
Muhammad Junaid J.
Islamabad, Pakistan
$10/hr
5.0
6 jobs
Highly skilled software developer with extensive experience in automation and web development.
Proficient in Python, Bash, JavaScript, and various frameworks and libraries such as Selenium, BeautifulSoup, PyQt5, Django, and Pandas. Certified as an IT Automation with Python by Google and a Back-end Developer by Meta, I specialize in creating custom scripts and automation solutions tailored to meet specific requirements. With meticulous attention to detail and a results-driven approach, I excel in delivering exceptional outcomes.
Additionally, I have a strong background in data visualization consultation, Linux system administration, SQL databases, and full-stack web development. Whether it's web scraping, building desktop applications, developing APIs, or managing Linux servers, I bring a comprehensive skill set to elevate your project to new heights.
Python
Django
pandas
Database
API
Back-End Development
PyQt
Data Visualization
PostgreSQL Programming
Jupyter Notebook
API Framework
Linux System Administration
Desktop Application
IT Support
Bash
Usama S.
Islamabad, Pakistan
$30/hr
5.0
50 jobs
Are you tired of writing code for your project!
I am a professional programmer. I am writing codes for both Arduino and Raspberry pi. I am Microsoft Certified Python Programmer. I'll help you in making your project. Also if you are new in the world of Electronics I'll help you in making your 1st project.
Python Script
Python
Computer Vision
TensorFlow
Machine Learning
Deep Learning
Raspberry Pi Firmware
Internet of Things
Raspberry Pi
Arduino Firmware
Arduino
Aziz U.
Islamabad, Pakistan
$75/hr
4.4
193 jobs
As an EDI Developer, I am working in a US Based Clearing-House that processes the provider claims, patient eligibility, era retrieval from/to the corresponding insurance.
I have expertise in following EDI transactions.
- 837 Professional/Institutional/Dental
- First level Reports - 999, 277CA (Claim Acknowledgment)
- Real-time/Batch Patient Eligibility 270, 271
- Real-time/Batch Claim Status 276, 277
- Payment Posting 835
I have created my own EDI Framework, which is capable of following transactions.
- Claim Transaction (837) Generation and Sending it to the Vendor
- Retrieval of Reports 999, 277CA and linking reports to the submitted claims.
- Showing rejections in claims, received from vendors
- Patient Eligibility 270/271 transaction, that will show the eligibility status (Active/InActive), patient benefits, copay, deductible, co-insurance.
- Claim Status 276/277, that will show the current status of claim from Payer Adjudication
System.
- Retrieval of Payment Reports (835/ERA) and will link to the corresponding payer.
The system will show the details as Claim Submitted Amount, Allowed Amount, Paid
Amount, Patient Responsibility etc. Denial details will also show in case of denial claims.
- Many more features to come
Please review my EDI Framework in my portfolio (named: The Easy EDI) section.
AngularJS
C#
ASP.NET MVC
PHP
Visual Basic
Medical Billing & Coding
Healthcare Common Procedure Coding System
Electronic Data Interchange
ASC X12
Health Level 7
Sohaib A.
Islamabad, Pakistan
$15/hr
5.0
4 jobs
Hello! If you are looking for high-quality work and long-term collaboration, you are in the right place. I have 5 years of experience as a Full-Stack Python, Django, Flask and React.JS web developer capable of transforming your concept into a reality. I am dedicated to providing you value for your investment and prioritize delivering exceptional quality and customer satisfaction.
With over years of professional experience and a Bachelor's degree in Computer Science, I have gained significant experience working on a variety of Python/Django projects, from small-scale applications to large-scale enterprise-level systems. My expertise spans across various industries, including but not limited to education, healthcare, eCommerce, finance, and real estate.
I've excelled in providing:
☑️ Software Development: Building custom-tailored software that aligns seamlessly with your business's specific needs.
☑️ Web App Development: Designing and creating web applications with a keen eye for enhancing user experience and interaction.
☑️ Digital Transformation: Driving businesses towards digitization by optimizing operations and improving productivity.
☑️ API Development & Integration: Creating powerful APIs and integrating them with third-party solutions to ensure seamless interoperability.
☑️ POC & MVP Development: Developing proofs of concept and minimum viable products to streamline market validation and fundraising processes.
☑️ Cloud Development: Harnessing the strength of cloud platforms for delivering secure, scalable applications.
☑️ Bash and scripting: I have created bash scripts for web applications.
☑️ AI/ML: I have Build ML services in Django and used OpenCV for AI
Technology Stack:
-----------------------------------------------------------------------------------------------------------
► Backend: Python / Django / Flask / Rest Framework / Geoserver / Celery / Django Cookiecutter / Django with Docker / Threading / Titiler / Mapbox / Metashape / ORM / DRF
► Front-end: React JS / Next.js / Redux / Redux Toolkit / React Form Hook / Material UI / Bootstrap React / Bootstrap / Tailwind CSS / jQuery / JavaScript / CSS / HTML5
► Network: Cloud (AWS EC2 , S3, boto3) / Google Cloud / Azure Basic
► VPS & Cpanel: AWS / Azure / Godaddy / Blue host / Hoster PK
► IDE: Pycharm Anaconda / Jupyter Notebook / Spider / Jetstream / Sublime Text / VS code
► Database: PostgreSQL/ MySQL / SQLite3 / MariaDB / MongoDB
► Version Control: GIT Hub / Bitbucket
► Development Planning: Agile Sprint's / Scrum Meetings / Jira
► OS: Ubuntu Kali Linux / Windows 11
► API Development: Rest Framework / RESTful API
► Payment Methods Integrations: Stripe / Paypal / 2Checkout
► AI/ML: OpenCV / OpenAI Image generation
Let's discuss your project requirements and how my expertise can help you achieve your goals. Contact me today, and let's collaborate on building something great!
Python Script
Python
Flask
React
React Bootstrap
Docker
Django
Next.js
Tailwind CSS
RESTful API
Redux
Django Stack
Celery
Mapbox
AWS Server Migration
Abdurrafay B.
Islamabad, Pakistan
$15/hr
5.0
1 jobs
Hello👋🏻 I'm Rafay. I am a driven individual who found himself listening to a lecture on life-long learning and took it to heart. Whether it's fine-tuning game mechanics, optimizing code architecture for maximum robustness, or organizing my digital life with a borderline-OCD precision, I'm always pushing for efficiency, balance, and mastery in my skills. If getting things done means diving into DevOps, Web Development, Computer Vision, AI or any other domain that wasn't originally on my radar—so be it. I learn what I need to, and I make it work.
Python
Unreal Engine
Unity
C++
C#
Game Development
Multiplayer
Git
Perforce
Database Architecture
Vector Database
Computer Vision
Blender
3D Modeling
MATLAB
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