Upwork home
Sign up
Project Catalog
DesignDesign
Video & AudioVideo & Audio
Development & ITDevelopment & IT
MarketingMarketing
Writing & TranslationWriting & Translation
MoreMore

You will get Full‑Stack Web Application Development with Python, Java & SQL

David W.Status: Offline
David W. David W.
Play video
Preview imagePreview image

Let a pro handle the details

Buy Web Application Programming services from David, priced and ready to go.
David W.Status: Offline
David W. David W.
Play video
Preview imagePreview image

Let a pro handle the details

Buy Web Application Programming services from David, priced and ready to go.

Project details

Project Summary:
You will get a responsive, database‑driven web application tailored to your needs. With expertise in Python, Java, C++, HTML, CSS, Bootstrap, JavaScript, and SQL (MySQL/PostgreSQL), I deliver secure, scalable solutions that streamline workflows and improve efficiency.

Project Details:
I specialize in full‑stack development, combining clean front‑end design with robust backend logic. Every project includes content upload, responsive design, and complete source code delivery. I also provide documentation and revisions to ensure the final product aligns perfectly with your goals.

My structured process—planning, development, testing, and delivery—guarantees high‑quality results and smooth collaboration. Whether you need a simple script, a database‑driven app, or a full enterprise solution, I’ll help bring your ideas to life with professionalism and care.
Programming Languages
HTML & CSS, JavaScript, Python
Coding Expertise
Performance Optimization, Security, Design
What's included
Service Tiers Starter
$150
Standard
$400
Advanced
$800
Delivery Time 3 days 7 days 14 days
Number of Revisions
123
Number of Pages
2510
Design Customization
Content Upload
-
Responsive Design
Source Code
Optional add-ons You can add these on the next page.
Fast Delivery
+$50 - $100
Additional Revision
+$25
Additional Page (+ 1 Day)
+$40
Content Upload (+ 1 Day)
+$20

Frequently asked questions

David W.Status: Offline

About David

David W.Status: Offline
Full Stack and Backend Developer Secure Scalable Web and IoT Solutions
Nairobi, Kenya - 3:19 am local time
I am a CERTIFIED Software Engineer and Full‑Stack Developer with over 5 years of professional experience delivering secure, scalable, and mission‑critical applications. My expertise spans backend and frontend development, database design, API integration, and cloud deployment, with a strong focus on building responsive, high‑performance web applications.

Technical Expertise:

Programming Languages: Java, C++, Python, JavaScript, TypeScript, SQL

Frameworks & Libraries: Django, Django REST Framework, Spring Boot, React.js, Node.js, Express.js, Bootstrap, CSS, Celery

Databases: PostgreSQL, MySQL, Redis, MongoDB

Cloud & DevOps: AWS (EC2, S3, RDS, Lambda), Azure (App Services, Cosmos DB), Google Cloud Platform (Cloud Run, Pub/Sub, BigQuery, Cloud SQL, Cloud Storage), Docker, Kubernetes, CI/CD pipelines

IoT & Data Handling: MQTT, telemetry pipelines, structured logs, event streams, analytics dashboards

Security & Compliance: Secure API design, authentication/authorization, RBAC, HIPAA/SOC 2 practices, audit logging

Observability & Performance: Logging pipelines, metrics, alerting, caching, performance optimization

Professional Highlights:

Designed and deployed multi‑tenant Django backends integrated with AWS and GCP, ensuring HIPAA‑compliant data handling and secure role‑based access control.

Built IoT‑ready backends handling telemetry data from 5,000+ devices, integrated with GCP Pub/Sub and BigQuery for real‑time analytics.

Delivered 50+ freelance projects on Upwork, including API integrations, workflow automation tools, and enterprise dashboards.

Led a team of 5 engineers, successfully delivering 20+ enterprise projects with secure, scalable architectures.

Implemented Celery‑based background jobs and Redis caching to optimize performance and reliability.

I deliver clean, efficient code and user‑friendly designs, backed by thorough documentation, responsive communication, and a commitment to client satisfaction. Fluent in English, I collaborate seamlessly with clients worldwide, maintaining professionalism, clarity, and reliability at every stage.

My goal is to provide solutions that not only meet requirements but also add long‑term value to your business by combining technical excellence with secure, scalable, and innovative design.

Steps for completing your project

After purchasing the project, send requirements so David can start the project.

Delivery time starts when David receives requirements from you.

David works on your project following the steps below.

Revisions may occur after the delivery date.

Project Planning

Review client requirements, confirm scope, and set milestones before development begins.

Development & Integration

Build front‑end with HTML, CSS, Bootstrap, JavaScript and backend with Python/Java/C++. Integrate MySQL/PostgreSQL database.

Review the work, release payment, and leave feedback to David.