Overview:
โ 10+ Completed Projects | ๐ฐ $2K+ Earned
โ Python Backend Developer | Django | FastAPI | Flask | Docker | AWS | Kubernetes
Iโm a Python Backend Developer with 4+ years of experience building scalable, secure, and production-ready backend systems for startups and businesses.
I specialize in developing high-performance REST APIs using Django, FastAPI, and Flask, along with third-party API integrations, cloud deployment, containerization, and database optimization.
I have hands-on experience working with complete backend development workflows โ from API architecture and authentication systems to Dockerized deployment on AWS servers
Core Skills & Technologies
โ Python Development
โ Django Development
โ FastAPI Development
โ Flask Development
โ REST API Development
โ Third-Party API Integration
โ Authentication & Authorization
โ PostgreSQL / pgAdmin
โ SQLite & MySQL
โ Git & GitHub Version Control
โ Linux Server Management
โ Docker Containerization
โ Kubernetes Basics & Deployment
โ AWS Deployment (EC2, S3, IAM)
โ CI/CD Deployment Workflows
What I Can Build
โข Secure REST APIs
โข Scalable Backend Architectures
โข Authentication Systems (JWT, OAuth)
โข Cloud-Ready Web Applications
โข Dockerized Python Applications
โข Database Design & Optimization
โข API Integrations & Automation Systems
โข Backend Deployment & Server Setup
I focus on writing clean, maintainable, and scalable code with proper architecture and performance optimization. Whether you need a backend from scratch, API integration, bug fixing, deployment support, or long-term development assistance โ I can help deliver reliable solutions.
Letโs build your backend system professionally and efficiently.
Docker
Python
Django
FastAPI
API Integration
RESTful API
Linux
Kubernetes
AWS CodeDeploy
PostgreSQL
GitHub
SQL
pandas
NumPy
Web Scraping
Data Scraping
Scrapy
Arun P.
New Delhi, India
$22/hr
5.0
45 jobs
FULL STACK DEVELOPER / CLOUD ARCHITECT
With over 12 years of experience in the software development industry, I am a seasoned Full Stack Developer and Cloud Architect known for delivering sophisticated, scalable, and efficient solutions to complex challenges. My commitment to innovation and precision makes me a reliable partner in the development of robust systems that seamlessly integrate front-end and back-end components, ensuring optimized performance and an exceptional user experience.
Technical Expertise:
Backend Development:
Python (Django, Flask), PHP: Expertise in developing scalable and secure server-side applications. I excel in crafting APIs, managing databases, and implementing authentication and authorization systems to support complex business logic.
Frontend Development:
React.js, Angular, Vue.js, Next.js: Proficient in building dynamic, responsive, and intuitive user interfaces using modern JavaScript frameworks and libraries. Adept at creating seamless user experiences that are both visually appealing and functionally rich.
DevOps & Cloud:
Docker, Kubernetes: Skilled in containerization and orchestration, ensuring that applications are not only scalable but also easily deployable and maintainable across various environments. Strong experience in cloud architecture, enabling seamless CI/CD pipelines and automated deployment processes.
Why Choose Me?
As a dynamic, results-oriented developer and architect, I possess the unique ability to elevate projects to new heights. Whether itโs building systems from the ground up or enhancing existing platforms, my expertise spans the entire development lifecycle, from initial concept through deployment and optimization. My technical acumen, combined with a deep understanding of both frontend and backend ecosystems, makes me the perfect fit for any organization seeking to innovate and succeed in the digital landscape.
Docker
Amazon Web Services
MongoDB
Python
Angular 6
MySQL Programming
API Development
HAProxy
Database Design
RESTful Architecture
Django
PHP
Flask
NGINX
React
Tapan P.
Ahmedabad, India
$32/hr
4.9
31 jobs
As a Top Rated Plus Python Full stack developer, I help startups and product teams bring backend-heavy, modern web applications to life. My work spans from product ideation and architecture to automation, AI integration, and ongoing performance tuning.
My stack includes Python (FastAPI, Django, Flask), React, Next.js, NestJS, PostgreSQL and AWS, enriched with scalable data pipelines, monitoring, and automation tools.
With over 9+ years of experience and a 100% Job Success Score, Iโve led and delivered more than 40 web apps and five large-scale platforms with high concurrency.
โ A tech Partner from Architecture to Deployment.
Clients work with me because I donโt just code features, I architect scalable, cloud native systems that require minimal oversight.
โ๏ธ Backend:
Python, FastAPI, Django, Flask, NestJS, REST APIs, PostgreSQL, MongoDB, Redis
โ๏ธ Frontend:
Next.js, React, Tailwind CSS, SSR/CSR, reusable UI libraries
โ๏ธ Cloud:
AWS (Lambda, EC2, S3, Step Functions), Docker, GitHub Actions
โ๏ธ Automation & AI:
OpenAI API, Langchain, LLM, Make, Zapier, n8n, RAG Agents, AI Agents, Generative AI
Iโve also led and mentored engineering teams up to 45 developers, helping deliver across sprints while balancing performance, timelines, and quality.
๐ Highlighted Work & Outcomes
โ๏ธ Frontend Engineering (React + Next.js)
Built fully responsive interfaces using React and Next.js, optimizing for performance and API sync with FastAPI based backends.
โ๏ธ Scalable API Infrastructure (Python, FastAPI)
Refactored a high-load backend to handle massive traffic spikes using FastAPI, Redis caching, and PostgreSQL. Supported mission-critical uptime for end users.
โ๏ธ Retention-Driven Feature Delivery.
Built backend features that improved session time and user retention in a high-growth mobile app com, bining Redis-based response optimization with async jobs.
โ๏ธ AI Feedback Engine with OpenAI API.
Built a GPT-driven evaluation engine for a learning platform. Reduced manual grading efforts and added dynamic feedback for students.
โ๏ธ Cloud Automation & ETL Pipelines.
Designed serverless pipelines using AWS Lambda and Step Functions to transfer and transform millions of files with isolated, scalable logic.
โ๏ธ Monitoring & SLA Tools
Integrated ELK stack, Grafana, and PagerDuty into production systems to track uptime, detect anomalies, and support SLAs for enterprise clients.
๐ฏ Technical Stack & Core Skills
โ๏ธ Languages & Frameworks
Python, FastAPI, Django, Flask, Node.js, JavaScript
โ๏ธ Frontend
Next.js, React.js, TailwindCSS, PWA, SSR/CSR
โ๏ธ Backend & Databases
RESTful APIs, OAuth2, PostgreSQL, MongoDB, Redis
Celery/RQ task queues, ETL pipelines, and background jobs
โ๏ธ Cloud & DevOps
AWS Lambda, EC2, S3, Step Functions, EventBridge, CloudWatch, Supabase
Docker, GitHub Actions, CI/CD pipelines
โ๏ธ Automation & AI
OpenAI API, Langchain, GPT-4/4o, Prompt Engineering
RAG pipelines, Agent flows, n8n, Zapier, Make com, Webhooks, Gen AI
โ๏ธ Monitoring & Performance
ELK, Grafana, New Relic, PagerDuty
Async processing, caching, load testing, and SLA compliance
๐ฏ Domains Iโve Worked In
โ๏ธ FinTech:
Built backend APIs, fraud prevention, trading platforms in Python, FastAPI, Django, Celery, grafana, AWS.
โ๏ธ EdTech:
GPT integrations, adaptive learning tools using FastAPI, GPT API, Langchain, n8n
โ๏ธ LegalTech:
Scalable OCR + NLP processing using TensorFlow, Custom pipelines, Vector database storage
โ๏ธ SaaS:
Multi-tenant platforms, automation systems using React, Python, Next.js, Nest.js, AWS, FastAPI, Stripe, Oauth.
๐ฏWhat Sets Me Apart
โ๏ธ Proven experience delivering complex platforms from scratch
โ๏ธ 15M+ user databases, multi-cloud infrastructure, scalable patterns
โ๏ธ Balanced blend of backend depth and frontend precision
โ๏ธ End-to-end ownership: architecture, infra, dev, monitoring
Letโs Build Something That Scales
If youโre looking for a developer who can own the backend, integrate AI, and bring reliable systems to life, Iโd love to collaborate.
Send me an invite and letโs take your product to the next level
Docker
Full-Stack Development
Python
FastAPI
React
Next.js
Amazon Web Services
AI Agent Development
Generative AI
Django
PostgreSQL
OpenAI API
Flask
Back-End Development
AI App Development
AI Chatbot
Artificial Intelligence
NestJS
Google Cloud Platform
Rohan K.
Panchkula, India
$25/hr
5.0
11 jobs
๐๐๐% ๐๐จ๐ ๐๐ฎ๐๐๐๐ฌ๐ฌ | ๐๐จ๐ฉ ๐๐๐ญ๐๐ ๐๐ฅ๐ฎ๐ฌ | ๐๐๐ ๐๐๐ซ๐ญ๐ข๐๐ข๐๐ ๐๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง๐ฌ ๐๐ซ๐๐ก๐ข๐ญ๐๐๐ญ | ๐๐ฏ๐๐ข๐ฅ๐๐๐ฅ๐ ๐ญ๐จ ๐๐ญ๐๐ซ๐ญ ๐๐ฆ๐ฆ๐๐๐ข๐๐ญ๐๐ฅ๐ฒ
Most growing teams face the same challenges: rising cloud costs, slow release cycles, security bottlenecks, infrastructure complexity, and reliability issues that impact customers and engineering velocity.
๐ ๐ก๐๐ฅ๐ฉ ๐ฌ๐ญ๐๐ซ๐ญ๐ฎ๐ฉ๐ฌ ๐๐ง๐ ๐ ๐ซ๐จ๐ฐ๐ข๐ง๐ ๐ญ๐๐๐ฆ๐ฌ ๐๐ฎ๐ข๐ฅ๐, ๐ฌ๐๐๐ฎ๐ซ๐, ๐๐ฎ๐ญ๐จ๐ฆ๐๐ญ๐, ๐๐ง๐ ๐ฌ๐๐๐ฅ๐ ๐ญ๐ก๐๐ข๐ซ ๐๐ฅ๐จ๐ฎ๐ ๐ฉ๐ฅ๐๐ญ๐๐จ๐ซ๐ฆ๐ฌ.
As an AWS Certified Solutions Architect and DevOps/DevSecOps Engineer, I work across cloud architecture, Kubernetes, CI/CD, compliance, observability, automation, and infrastructure modernization. I help teams reduce cloud costs, improve deployment speed, strengthen security posture, and create platforms that developers enjoy using.
I support AWS, Azure, Hetzner, and hybrid cloud environments, with hands-on experience delivering production-grade platforms for SaaS companies, startups, and enterprise teams.
โค ๐๐จ๐ฐ ๐ ๐๐๐ง ๐๐๐ฅ๐ฉ
โ ๐๐ฅ๐จ๐ฎ๐ ๐๐ซ๐๐ก๐ข๐ญ๐๐๐ญ๐ฎ๐ซ๐ & ๐๐ฅ๐๐ญ๐๐จ๐ซ๐ฆ ๐๐ง๐ ๐ข๐ง๐๐๐ซ๐ข๐ง๐
AWS, Azure, Hetzner, multi-cloud architecture, landing zones, networking, IAM, high availability, disaster recovery, and production-ready platform design.
โ ๐๐ฎ๐๐๐ซ๐ง๐๐ญ๐๐ฌ & ๐๐จ๐ง๐ญ๐๐ข๐ง๐๐ซ ๐๐ฅ๐๐ญ๐๐จ๐ซ๐ฆ๐ฌ
Kubernetes, EKS, AKS, Helm, Docker, GitOps, cluster upgrades, scaling strategies, and developer platform enablement.
โ ๐๐/๐๐ & ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ ๐๐ฑ๐ฉ๐๐ซ๐ข๐๐ง๐๐
GitHub Actions, Jenkins, release automation, testing pipelines, deployment strategies, rollback systems, and streamlined developer workflows.
โ ๐๐๐ฏ๐๐๐๐๐ฉ๐ฌ & ๐๐จ๐ฆ๐ฉ๐ฅ๐ข๐๐ง๐๐
Drata implementation, SOC 2 readiness, security automation, vulnerability management, secrets management, IAM governance, audit logging, and compliance-focused infrastructure.
โ ๐๐ฅ๐จ๐ฎ๐ ๐๐ข๐ ๐ซ๐๐ญ๐ข๐จ๐ง๐ฌ & ๐๐จ๐๐๐ซ๐ง๐ข๐ณ๐๐ญ๐ข๐จ๐ง
Cloud migrations, Kubernetes migrations, infrastructure modernization, workload re-platforming, and legacy system transformation with minimal downtime.
โ ๐๐๐ฌ๐๐ซ๐ฏ๐๐๐ข๐ฅ๐ข๐ญ๐ฒ & ๐๐ข๐ญ๐ ๐๐๐ฅ๐ข๐๐๐ข๐ฅ๐ข๐ญ๐ฒ
Prometheus, Grafana, CloudWatch, Azure Monitor, centralized logging, alerting, incident response, root cause analysis, and reliability engineering.
โ ๐๐จ๐ฌ๐ญ ๐๐ฉ๐ญ๐ข๐ฆ๐ข๐ณ๐๐ญ๐ข๐จ๐ง & ๐ ๐ข๐ง๐๐ฉ๐ฌ
Cloud cost visibility, resource right-sizing, reserved instance strategies, budget controls, and long-term cost governance.
โ ๐๐ฎ๐ญ๐จ๐ฆ๐๐ญ๐ข๐จ๐ง & ๐๐ง๐๐ซ๐๐ฌ๐ญ๐ซ๐ฎ๐๐ญ๐ฎ๐ซ๐ ๐๐ฌ ๐๐จ๐๐
Terraform, Bash, Python, infrastructure automation, operational tooling, custom scripts, self-service workflows, and repeatable deployments.
โ ๐๐๐๐ & ๐๐จ๐ฏ๐๐๐ฅ๐ ๐๐๐ฉ๐ฅ๐จ๐ฒ๐ฆ๐๐ง๐ญ๐ฌ
Deploying and scaling SaaS applications, Lovable applications, containerized workloads, custom domains, SSL, databases, monitoring, and production operations.
๐๐ก๐ฒ ๐๐ฅ๐ข๐๐ง๐ญ๐ฌ ๐๐จ๐ซ๐ค ๐๐ข๐ญ๐ก ๐๐
โฌฉ AWS Certified Solutions Architect with real-world production experience
โฌฉ Strong across architecture, DevOps, security, and operations
โฌฉ Focused on measurable outcomes, not just infrastructure setup
โฌฉ Proven experience supporting startups through rapid growth
โฌฉ Practical, automation-first mindset
โฌฉ Clear communication and long-term maintainability
Whether you need cloud architecture, Kubernetes, DevSecOps, compliance automation, migrations, cost optimization, or a complete platform built from scratch, I can help turn your infrastructure into a competitive advantage.
๐ ๐๐ฆ ๐๐ฏ๐๐ข๐ฅ๐๐๐ฅ๐ ๐๐จ๐ซ ๐ ๐ช๐ฎ๐ข๐๐ค ๐๐๐ฅ๐ฅ ๐ญ๐จ ๐๐ข๐ฌ๐๐ฎ๐ฌ๐ฌ ๐ฒ๐จ๐ฎ๐ซ ๐ซ๐๐ช๐ฎ๐ข๐ซ๐๐ฆ๐๐ง๐ญ๐ฌ ๐๐ง๐ ๐ฉ๐ซ๐จ๐ฃ๐๐๐ญ ๐ ๐จ๐๐ฅ๐ฌ. ๐๐ง๐ฏ๐ข๐ญ๐ ๐ฆ๐ ๐ญ๐จ ๐ฒ๐จ๐ฎ๐ซ ๐ฉ๐ซ๐จ๐ฃ๐๐๐ญ, ๐๐ง๐ ๐ ๐๐๐ง ๐ ๐๐ญ ๐ฌ๐ญ๐๐ซ๐ญ๐๐ ๐๐ฌ ๐ฌ๐จ๐จ๐ง ๐๐ฌ ๐ฉ๐จ๐ฌ๐ฌ๐ข๐๐ฅ๐.
Docker
Amazon ECS
Jenkins
Ansible
Terraform
Git
Linux
Ubuntu
AWS CodePipeline
Amazon Virtual Private Cloud
GitHub
GitLab
Bitbucket
DevOps
Docker Compose
Sher S.
Karnal, India
$15/hr
4.7
79 jobs
Hi,
Need a reliable Senior Full-stack developer who can design, build, and scale production applications?
I have 9+ years of experience helping startups and businesses build SaaS platforms, REST APIs, automation systems, dashboards, cloud-based applications and data extraction tools.
โOver my Upwork career I have:
โข Completed 68+ projects
โข Earned $50K+
โข Delivered 3,000+ hours of development work
โข Maintained excellent client satisfaction
โ My core expertise includes:
โข Python
โข Django
โข FastAPI
โข Flask
โข React
โข Node Js
โข Docker
โข PostgreSQL
โข AWS
โข API Integrations
โข Automation & Data Processing
โ SERVICES
โข FastAPI & Django Development
โข Node Js / Express Development
โข REST API Development
โข Third-Party API Integrations
โข Web Scraping & Data Extraction
โข Workflow Automation
โข AWS Deployment
โข Docker & CI/CD
โข Backend Performance Optimization
I focus on building maintainable, scalable systems rather than quick fixes.
If you're looking for a developer who can take ownership from development to deployment , Iโd be happy to discuss your project.
Regards
Sher Singh
๐ Keywords -
Full Stack Developer, SaaS Developer, React Developer, Next.js Developer, Node.js Developer, Django Developer, DjangoREST Developer, Flask Developer, FastAPI Developer, REST API developer, MERN Developer, MERN stack Developer, MEAN Developer, MEAN stack Developer, Dashboard Development, Web Application Development, Backend Developer, Frontend Developer, API Development, AWS Developer, SaaS MVP, Scalable Web Apps, Top Rated Plus Freelancer, Top rated Developer, API Integration, Python Scripts, Scraper, Browser Automation, Selenium, Python, DevOps, Docker, Docker-compose, Automated deployments
Docker
Flask
Django
Python
Next.js
React
AngularJS
Node.js
API Integration
FastAPI
UX & UI
Docker Compose
AWS CodeDeploy
Scraper Site
Selenium
Raj Narayan G.
Patna, India
$16/hr
5.0
27 jobs
I am a Full Stack Developer with 6+ years of experience building scalable, secure web applications using .NET and cloud technologies. I specialize in architecting solutions that align with business goals, ensuring high performance and maintainability.
Core Expertise
Backend: ASP.NET Core, C#, Microservices, CQRS, Web API, SignalR.
Frontend: Blazor, React.js, TypeScript, JavaScript (ES6+).
Cloud & DevOps: Azure App Services, AWS, CI/CD Pipelines, Docker.
Database: SQL Server, MySQL, Entity Framework Core.
What I Deliver
End-to-end development from concept to deployment.
Performance optimization and legacy code refactoring.
Secure authentication (JWT, OAuth, Identity).
Clean, documented code with a focus on long-term reliability.
I hold a 5.0 rating and prioritize clear communication throughout the project lifecycle. Letโs discuss how I can help bring your technical vision to life.
Docker
.NET Core
ASP.NET Core
C#
Web API
ASP.NET Web API
Web Development
Full-Stack Development
MERN Stack
Azure DevOps
AWS Development
CI/CD
Entity Framework
Microsoft SQL Server
Microservice
React
Blazor
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