You will get a backend solutions in Python for Web/Mobile applications
Project details
I have worked on various projects that have allowed me to develop a deep understanding of backend development. With experience in developing and implementing complex algorithms, designing database schemas, and working with various technologies such as Python, Javascript, Cloud, NoSQL, and SQL. My experience has given me a solid foundation in computer science fundamentals and taught me how to collaborate with team members and work under tight deadlines.
Techniques I Use:
Python
FastAPI
Django
Flask
PostgreSQL
MySQL
MongoDB
DynamoDB
Why Choose Me -
Give 100% Satisfaction Work
Quality Work
Available to assist always
Fast delivery service
Techniques I Use:
Python
FastAPI
Django
Flask
PostgreSQL
MySQL
MongoDB
DynamoDB
Why Choose Me -
Give 100% Satisfaction Work
Quality Work
Available to assist always
Fast delivery service
Programming Languages
PythonCoding Expertise
Cross Browser & Device Compatibility, Localization, SecurityWhat's included
| Service Tiers |
Starter
$375
|
Standard
$500
|
Advanced
$625
|
|---|---|---|---|
| Delivery Time | 7 days | 7 days | 7 days |
Number of Revisions | 0 | 0 | 0 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
19 reviews
(15)
(4)
(0)
(0)
(0)
AH
Afdal H.
Dec 8, 2021
This freelancer understands the job well with minimal explanation. It was his another great job. Highly recommended and will work with him again!
AH
Afdal H.
Dec 7, 2021
Great job! Exactly what I wanted and quickly done. Thank you Shapon, will come back to you again!
MK
Max K.
Mar 31, 2026
Individual Only: 1 x Senior FastAPI Developer - (Expertise in AWS Lambda and ELK Stack)
AS
Abdus S.
Feb 27, 2026
Big Data Developer
Exceptionally quality of work and a highly reliable professional.
AR
Ahsan R.
Sep 11, 2025
Data Science Expert
Great job on debugging the data science project! The issues were resolved quickly, and everything is now running smoothly. Appreciate the prompt and effective work!
FR
Faiz R.
Aug 5, 2025
Configure a CDK to deploy lambda
Freelancer was professional and quick to fix the problem.
DR
Daniel R.
Jul 25, 2025
Backend Engineer with AWS and Python Expertise
About Shahin
AI Engineer | Python Developer | LLM, RAG & Data Engineering Expert
73%
Job Success
London, United Kingdom - 4:20 am local time
I am an experienced Upwork freelancer and was previously Top Rated Plus, with 7+ years of experience delivering production-grade software for clients in the US, UK, and Europe. My work spans AI applications, LLM systems, RAG pipelines, backend APIs, cloud infrastructure, and big data platforms.
Over the years, I have helped companies build AI assistants, semantic search systems, automated data pipelines, cloud-native APIs, LLM evaluation systems, and workflow automation tools using Python, FastAPI, OpenAI, Gemini, LangChain, Pinecone, PostgreSQL, AWS, Docker, Terraform, Databricks, Spark, and Airflow.
Recent project areas include agentic AI workflows, AI-powered lead generation, hallucination detection, interview summarization, enterprise search, financial data processing, and backend platform development.
Why clients work with me:
✔ 7+ years of hands-on engineering experience
✔ Previously Top Rated Plus on Upwork
✔ Strong Python, AI/LLM, backend, and data engineering background
✔ Production-focused mindset
✔ Clear communication and reliable delivery
✔ Able to take projects from architecture to deployment
If you are building an AI product, automating workflows, scaling a backend system, or designing a data platform, I would be happy to discuss your project.
Steps for completing your project
After purchasing the project, send requirements so Shahin can start the project.
Delivery time starts when Shahin receives requirements from you.
Shahin works on your project following the steps below.
Revisions may occur after the delivery date.
Send the details
You just attach the details in my inbox when you send for queries and I will get back to you within hours.