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Based on 9,938 client reviews
Muhammad B.

Pir Mahal, Pakistan

$30/hr
5.0
2 jobs

HashiCorp-Certified Terraform Associate (003). I build AWS infrastructure as code and CI/CD pipelines that deploy without downtime — so you stop shipping by SSH and hoping. Recent client rated me 5.0/5.0. Here's what I do: ⚡ AWS INFRASTRUCTURE (TERRAFORM) - VPC, EC2, ECS/EKS, RDS, S3, IAM, Secrets Manager, Certificate Manager, Guard Duty, Inspector, WAF, API Gateway — fully codified, reviewable, repeatable - Migrate click-ops AWS accounts to Terraform without breaking production - Cost review included: I flag oversized instances and unused resources as I go ⚡ CI/CD PIPELINES - GitHub Actions, GitLab CI, Jenkins — build, test, deploy on every push - Zero-downtime deployments (blue/green, rolling) - Typical result: deploys go from "30 minutes and stressful" to "5 minutes and boring" ⚡ KUBERNETES & GITOPS - EKS cluster setup, Helm charts, autoscaling - ArgoCD GitOps: your cluster state lives in Git, drift fixes itself - Dockerize existing apps (Node, Python, PHP, Go) WHY ME OVER THE 50 OTHER PROPOSALS: 1. Certified, not just "familiar with" — HashiCorp Terraform Associate 003 2. Everything delivered as code in your repo, with docs — no vendor lock-in to me 3. I answer within 30 mins and give a fixed scope + fixed price before we start Not sure exactly what you need? Send me your current setup and the problem (slow deploys, surprise AWS bill, "it works on my machine") — I'll reply with a concrete plan, free.

  • Docker
  • Kubernetes
  • CI/CD
  • Terraform
  • GitHub
  • DevOps
  • Amazon ECS
  • Linux System Administration
  • GitLab
  • Infrastructure as Code
Aymane B.

Tangier, Morocco

$45/hr
4.8
9 jobs

Hello! I'm a Senior Software Engineer with 6+ years of experience building scalable and maintainable systems. I specialize in Back-End development, focusing on FastAPI, PostgreSQL, and microservice architecture with event-driven and asynchronous design patterns. Frameworks & Technologies: - Back-End: FastAPI, Flask, Django, NodeJS, ExpressJS - Front-End: ReactJS, VueJS - Databases: PostgreSQL, MongoDB, Redis - Tools: Docker, Linux, Git (GitHub/GitLab) Services I Offer: - Back-End Development - Deployment & Hosting (VPS, CI/CD) - Consulting & Mentoring Looking forward to working with you!

  • Git
  • Python
  • React
  • MySQL
  • Flask
  • Docker
  • RESTful API
  • DevOps
  • Redis
  • PostgreSQL
  • MongoDB
  • Linux
  • FastAPI
  • SQLAlchemy
  • API
Ehteshamuddin M.

Phoenix, Arizona

$45/hr
4.5
78 jobs

I build and run Production Infrastructure on AWS, GCP, Azure and on-prem. Most of my work the last few years has been Kubernetes (EKS, GKE, AKS, and bare metal RKE2 with Rancher) and getting that infrastructure through compliance audits: HIPAA, SOC 2, PCI DSS, NIST 800-53. 10+ years in DevOps. Top Rated Plus, 100% Job Success. 𝙎𝙤𝙢𝙚 𝙧𝙚𝙘𝙚𝙣𝙩 𝙥𝙧𝙤𝙟𝙚𝙘𝙩𝙨 𝙩𝙤 𝙜𝙞𝙫𝙚 𝙮𝙤𝙪 𝙖𝙣 𝙞𝙙𝙚𝙖 𝙤𝙛 𝙬𝙝𝙖𝙩 𝙄 𝙖𝙘𝙩𝙪𝙖𝙡𝙡𝙮 𝙙𝙤: Built an on-prem RKE2 cluster from scratch for a company preparing for SOC 2 and HIPAA. Rancher for management, Cilium with WireGuard for encrypted pod traffic, GPU nodes for their ML workloads, Longhorn for storage, Velero for backups, ArgoCD for deployments. Also enforced SSO through Entra ID on every cluster and SSH access point because their auditors required it. Took a healthcare data platform through HIPAA hardening on AWS. ECS Fargate, Aurora PostgreSQL, private subnets, TLS everywhere, proper secrets handling. Phase one was making it work, phase two was making it pass an audit. Different skill sets, I do both. Modernized AWS infrastructure for a holding group running four brands. Moved everything to ECS Fargate and Aurora Multi-AZ, set up blue-green deployments, CloudFront in front. Midway through we found a security breach in their GitHub org and I handled the full remediation across every repo. Fixed a production Aurora MySQL performance problem that had their app timing out during peak hours. Root cause was tmp table spill to disk. Tuned it, added a reader, no downtime. I also do a lot of unglamorous work that keeps things running: CI/CD pipelines (GitHub Actions, GitLab CI, ArgoCD), Terraform for everything, monitoring with Prometheus and Grafana, cost cleanup, VPN and networking issues, database migrations. Industries I know well: Healthcare (HIPAA is second nature at this point), Fintech and Payments (PCI DSS), and B2B SaaS. 𝙒𝙝𝙖𝙩 𝙮𝙤𝙪 𝙜𝙚𝙩 𝙬𝙤𝙧𝙠𝙞𝙣𝙜 𝙬𝙞𝙩𝙝 𝙢𝙚: Infrastructure that is written down in code, documented, and reproducible. I answer messages fast and I will tell you upfront if something is a bad idea or if I am not the right person for it. Send me your project details and current setup. I will give you an honest read on scope and effort before you spend anything. Senior DevOps Engineer, DevOps Engineer, Site Reliability Engineer, Cloud Engineer, AWS, GCP, Azure, Kubernetes, Amazon EKS, Google GKE, Azure AKS, Docker, Terraform, Infrastructure as Code, CI/CD, GitHub Actions, GitLab CI, Jenkins, ArgoCD, GitOps, Helm, Rancher, RKE2, Linux, Cloud Infrastructure, Cloud Migration, AWS ECS, AWS Fargate, EC2, VPC, IAM, Networking, Load Balancing, Prometheus, Grafana, Monitoring, Observability, Automation, Production Infrastructure, High Availability, Disaster Recovery, Security Hardening, Cloud Security, DevSecOps, Kubernetes Security, HIPAA Compliance, SOC 2 Compliance, PCI DSS, NIST 800-53, Healthcare Infrastructure, FinTech, SaaS Infrastructure, Platform Engineering, Infrastructure Automation.

  • Git
  • Kubernetes
  • Terraform
  • Docker
  • DevOps
  • Google Cloud Platform
  • Amazon Web Services
  • Cloud Computing
  • Cloud Architecture
  • CI/CD
  • Microsoft Azure
  • DigitalOcean
  • HIPAA
  • SOC 2
  • Ansible
  • Python
  • Data Warehousing & ETL Software
  • Django
  • Linux System Administration
  • AWS CloudFormation
Syed A.

Lahore, Pakistan

$35/hr
4.7
52 jobs

🌐🚀 MVP / SAAS Specialist Expertise in | AI Developer | RAG | LLM | AI Integration | Python | OpenAI API Integration | Artificial intelligence | Machine Learning | Langchain | Django React JavaScript | FastAPI | AI agent | AI App Development | AI bot | AI chatbot | AI Agent | Restful API | PostgresSQL | Botpress | PostHog | MCP Server | Multi-Agents/Multiple Agents | Voice AI 🔑 𝐈 𝐛𝐮𝐢𝐥𝐝 𝐚𝐧𝐝 𝐝𝐞𝐩𝐥𝐨𝐲 𝐜𝐮𝐬𝐭𝐨𝐦 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬, AI-Powered MVP, AI Healthcare Tools, AI Writing Tool, GPT Clone, Full Stack Application, Multi-Tenant 𝐚𝐧𝐝 𝐢𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐯𝐞 𝐀𝐈 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐭𝐡𝐚𝐭 𝐬𝐨𝐥𝐯𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱 𝐩𝐫𝐨𝐛𝐥𝐞𝐦𝐬, 𝐜𝐫𝐞𝐚𝐭𝐞 𝐧𝐞𝐰 𝐯𝐚𝐥𝐮𝐞, 𝐚𝐧𝐝 𝐢𝐦𝐩𝐫𝐨𝐯𝐞 𝐮𝐬𝐞𝐫 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐬. 🎁 A 100% refund, if I'm unable to meet our agreed commitments. No questions asked! 𝐊𝐞𝐲 𝐅𝐚𝐜𝐭𝐬: 🧑‍💻 8+ years of experience as a Full Stack Developer and Artificial Intelligence Specialist 🚀 50+ market-winning projects launched ⌛ Around 600 hours on Upwork 🎯 Top-Rated on Upwork 🌉𝐈'𝐯𝐞 𝐬𝐨𝐥𝐯𝐞𝐝 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐩𝐫𝐨𝐛𝐥𝐞𝐦𝐬 𝐟𝐨𝐫 𝐭𝐨𝐩 𝐜𝐨𝐦𝐩𝐚𝐧𝐢𝐞𝐬 𝐚𝐧𝐝 𝐬𝐭𝐚𝐫𝐭𝐮𝐩𝐬 𝐚𝐫𝐨𝐮𝐧𝐝 𝐭𝐡𝐞 𝐠𝐥𝐨𝐛𝐞 ☑️ Under Armour ☑️ Snowflake ☑️ Estateza ☑️ SearchLook ☑️ Sparrowcharts 💡 𝐖𝐡𝐚𝐭 𝐜𝐚𝐧 𝐈 𝐛𝐫𝐢𝐧𝐠 𝐭𝐨 𝐲𝐨𝐮𝐫 𝐭𝐚𝐛𝐥𝐞? ☑️ Full Stack Development for robust and scalable web applications, including both front-end and back-end technologies ☑️ Custom Web and Application Development utilizing frameworks like Python, React, Django, React.js / Angular / Next.js / Nest / Nust / Golang and Node.js ☑️ Expertise in LLMs and ChatGPT integration to enhance application functionalities ☑️ Proficiency in RESTful APIs, GraphQL, and database management ☑️ Experience with cloud services like AWS, Azure, and Google Cloud for deployment and scaling ☑️ Strong problem-solving skills and ability to optimize user experiences and application performance 🌟𝐇𝐞𝐫𝐞'𝐬 𝐰𝐡𝐚𝐭 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐡𝐚𝐯𝐞 𝐭𝐨 𝐬𝐚𝐲 𝐚𝐛𝐨𝐮𝐭 𝐦𝐞: 🌟 Ali Hamza is in the top tier of software developers and data engineers. He is far more than an implementer; he is a strong architect. During this project set, Usama worked on data from major US corporations 🌟 One of the best developers I have ever worked with. He is always on time and does exactly what he says he will do. I could not recommend him enough. 🎯 𝐈 𝐩𝐨𝐬𝐬𝐞𝐬 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐢𝐧 𝐭𝐡𝐞 𝐟𝐨𝐥𝐥𝐨𝐰𝐢𝐧𝐠 𝐝𝐨𝐦𝐚𝐢𝐧𝐬 ☑️ Full Stack Development: ☑️ Backend: ☑️ Python ☑️ Django ☑️ Flask ☑️ NodeJs, Express.js ☑️ Rest API, SOAP ☑️ Websocket ☑️ Third party integration ☑️ Frontend: ☑️ Html5, Css3, Bootstrap ☑️ Javascript ☑️ ReactJs, Angular ☑️ VueJs ☑️ NextJs, NuxtJs ☑️ Ajax, JSON, XML, XHTML, SVG, Canvas ☑️ API integration, OpenAI API ☑️ DevOps: ☑️ CI/CD Pipelines ☑️ IaC ☑️ Docker ☑️ Kubernetes / Terraform ☑️ Elasticsearch ☑️ Cloud Computing (Azure, AWS, Google Cloud) ☑️ Version Control (Git, GitHub) ☑️ Containerization + Orchestration (Docker, Kubernetes) ☑️ Spring Boot / Java, Microservices Architecture ☑️ Real-time / Streaming / Event-driven architectures ☑️ Session Recordings / Session Replays ☑️ GraphQL / gRPC ☑️ Kafka / Redpanda (real-time streaming) ☑️ Generative Artificial Intelligence (GenAI) ☑️ Large Language Models (LLMs) ☑️ Natural Language Processing (NLP) ☑️ ChatBots and Virtual Assistants ☑️ Text to Image Modelling ☑️ Vector Databases ☑️ Retrieval-Augmented Generation (RAG) ☑️ ChatGPT ☑️ OpenAI ☑️ AI/ML (Artificial Intelligence + Machine Learning) ☑️ Multimodal AI / NLP ☑️ Agentic AI / Autonomous Agents ☑️ “Vibe Coding” / AI-first / prompt-driven dev workflows ☑️ Explainable AI / Ethical, Sustainable AI ☑️ Edge AI / On-device / Federated Learning ☑️ Web Scraping ☑️ Data Extraction ☑️ Data Scraping ☑️ Scrapy ☑️ Selenium ☑️ Beautiful Soup ☑️ Requests ☑️ Deployment and scheduling the scraping scripts on server ☑️ PostHog / Mixpanel / Amplitude / Segment (Twilio Segment) ☑️ OpenTelemetry (Datadog / Grafana / Sentry ☑️ LaunchDarkly / GrowthBook / VWO / Optimizely / Klaviyo ☑️ Airbyte / Fivetran / DBT ☑️ Auth0 / Clerk / SuperTokens / Google Auth ☑️ Stripe / Paddle ☑️ Plaid AI + Analytics Integrations ☑️ LangSmith / LangFuse – Observability and evaluation layer for LLM apps. ☑️ Weaviate / Pinecone / Qdrant – Vector DBs for AI features with analytics hooks. ☑️ Whylabs / Arize AI – ML observability & monitoring (similar to PostHog but for models). I am a Fullstack AI Developer - Python Django, React, Flask, API Integration I can help you to build: ⚡ Fast MVP Development (AI-Powered) ✅ ⚡ AI Powered SAAS Applications ✅ ⚡ AI Agent RAG Systems | AI Chatbots ✅ ⚡ Open AI API Integrations / LLM ✅ ⚡ Full stack Development (AI/ML, Django, React) ✅ ⚡ AI Workflows Automation ⚡ Voice AI tools Thank you for visiting my profile. Looking forward to working with you! I will 💲REFUND 💲, if your expectation wont meet. For reference, you can see my work and testimonials below. Lets Chat!

  • Artificial Intelligence
  • Machine Learning
  • AI Agent Development
  • OpenAI API
  • AI Development
  • Django
  • Python
  • Retrieval Augmented Generation
  • API Integration
  • JavaScript
  • React
  • PostgreSQL
  • Large Language Model
  • Chatbot Development
  • LangChain
  • API
  • LLM Prompt Engineering
  • Web Application
  • AI App Development
  • FastAPI
Atul K.

Noida, India

$30/hr
4.9
177 jobs

𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗔𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 & 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 8+ 𝗬𝗲𝗮𝗿𝘀 | 𝟭% 𝗼𝗳 𝗨𝗽𝘄𝗼𝗿𝗸 | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀. ✅ $300K+ Total earnings ✅8+ Years experience as Fullstack Developer ✅ 80+ Projects Completed. ✅Top Rated Plus. ✅ 100% Job Success Rate. ✅ AWS certified ✅ Python certified ✅50hrs/week available ✅ 4+ AI/ML Integrations 🔴 I am in the 𝗧𝗼𝗽 𝟭% overall on Upwork. 🔴 I am in the 𝗧𝗼𝗽 𝟰% overall on Stack Overflow. 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭 / 𝐕𝐨𝐢𝐜𝐞 𝐀𝐠𝐞𝐧𝐭𝐬: 𝐂𝐫𝐞𝐰𝐀𝐈 / 𝐀𝐮𝐭𝐨𝐆𝐞𝐧 / 𝐀𝐦𝐚𝐳𝐨𝐧 𝐏𝐨𝐥𝐥𝐲 / 𝐃𝐞𝐞𝐩𝐠𝐫𝐚𝐦 / 𝐑𝐚𝐬𝐚 𝐀𝐈 / 𝐑𝐢𝐯𝐞𝐫𝐬𝐢𝐝𝐞 𝐒𝐃𝐊 / 𝐀𝐳𝐮𝐫𝐞 𝐀𝐈 𝐒𝐩𝐞𝐞𝐜𝐡/𝐋𝐋𝐌 𝐅𝐢𝐧𝐞𝐭𝐮𝐧𝐢𝐧𝐠: 𝐔𝐬𝐢𝐧𝐠 𝐏𝐄𝐅𝐓 / 𝐋𝐨𝐑𝐀 / 𝐐𝐋𝐨𝐑𝐀 / 𝐑𝐋𝐇𝐅 / 𝐃𝐏𝐎 / 𝐒𝐅𝐓 𝐰𝐢𝐭𝐡 𝐔𝐧𝐬𝐥𝐨𝐭𝐡 / 𝐀𝐱𝐨𝐥𝐨𝐭𝐥 / 𝐇𝐮𝐠𝐠𝐢𝐧𝐠𝐅𝐚𝐜𝐞 𝐀𝐮𝐭𝐨𝐓𝐫𝐚𝐢𝐧 / 𝐒𝐚𝐠𝐞𝐌𝐚𝐤𝐞𝐫 𝐓𝐫𝐚𝐢𝐧𝐢𝐧𝐠/𝐎𝐩𝐞𝐧-𝐒𝐨𝐮𝐫𝐜𝐞 𝐋𝐋𝐌𝐬: 𝐋𝐋𝐀𝐌𝐀 𝟑 / 𝐌𝐢𝐬𝐭𝐫𝐚𝐥 𝟕𝐁 / 𝐌𝐢𝐱𝐭𝐫𝐚𝐥 𝟖𝐱𝟕𝐁 / 𝐅𝐚𝐥𝐜𝐨𝐧 / 𝐆𝐞𝐦𝐦𝐚 / 𝐁𝐥𝐨𝐨𝐦 / 𝐎𝐫𝐜𝐚 𝐌𝐢𝐧𝐢 / 𝐆𝐮𝐚𝐧𝐚𝐜𝐨/𝐅𝐚𝐬𝐭 𝐈𝐧𝐟𝐞𝐫𝐞𝐧𝐜𝐞: 𝐯𝐋𝐋𝐌 / 𝐓𝐆𝐈 / 𝐓𝐞𝐧𝐬𝐨𝐫𝐑𝐓-𝐋𝐋𝐌 / 𝐒𝐊𝐏𝐢𝐥𝐨𝐭/𝐏𝐫𝐨𝐦𝐩𝐭 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠: 𝐌𝐮𝐥𝐭𝐢-𝐭𝐮𝐫𝐧 / 𝐅𝐞𝐰-𝐬𝐡𝐨𝐭 / 𝐙𝐞𝐫𝐨-𝐬𝐡𝐨𝐭 / 𝐑𝐀𝐆-𝐁𝐚𝐬𝐞𝐝 / 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐚𝐛𝐥𝐞 𝐏𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬/𝐐𝐮𝐚𝐧𝐭𝐢𝐳𝐚𝐭𝐢𝐨𝐧: 𝐀𝐖𝐐 / 𝐆𝐏𝐓𝐐 / 𝐆𝐆𝐔𝐅 / 𝐆𝐆𝐌𝐋 / 𝐐𝐋𝐎𝐑𝐀 / 𝐏𝐓𝐐 / 𝐃𝐐/𝐑𝐀𝐆 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 & 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: 𝐋𝐚𝐧𝐠𝐂𝐡𝐚𝐢𝐧 / 𝐋𝐥𝐚𝐦𝐚𝐈𝐧𝐝𝐞𝐱 / 𝐂𝐡𝐫𝐨𝐦𝐚 / 𝐅𝐀𝐈𝐒𝐒 / 𝐏𝐢𝐧𝐞𝐜𝐨𝐧𝐞 / 𝐐𝐝𝐫𝐚𝐧𝐭 / 𝐖𝐞𝐚𝐯𝐢𝐚𝐭𝐞 / 𝐌𝐢𝐥𝐯𝐮𝐬 Greetings! I am Atul Kumar, a seasoned developer with over 8+ years of experience in web application and software development. Working with LLMs for the past 8+ years and have good expertise in AI Agents development using langchain, LlamaIndex, and LLMs like Claude, GPT4o, Amazon Bedrock, Ollama 🔹 AI Agents / Voice Agents: CrewAI, AutoGen, Amazon Polly, Deepgram, Rasa AI 🔹 LLM Fine-tuning: PEFT, LoRA, QLoRA, RLHF, DPO with Unsloth, Axolotl, HuggingFace AutoTrain 🔹 Open-Source LLMs: LLaMA 3, Mistral 7B, Mixtral 8×7B, Falcon, Gemma 🔹 Inference Optimization: vLLM, TGI, TensorRT-LLM 🔹 Prompt Engineering: Multi-turn, Few-shot, Zero-shot, RAG-based prompts 🔹 Quantization: AWQ, GPTQ, GGUF, GGML 🔹 RAG Systems: LangChain, LlamaIndex, ChromaDB, FAISS, Pinecone, Qdrant 🔹 Data Pipeline: Synthetic dataset generation, LLM evaluation frameworks 🔹 LLM Deployment: AWS Sagemaker, RunPod, GCP AI Platform, Vercel AI SDK 🖥️ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗦𝗸𝗶𝗹𝗹𝘀: 🔹 Proficient in Node.js, Express.js, Python, Django, Flask, AWS Lambda for backend API. 🔹 Experienced with relational & NoSQL databases: MySQL, PostgreSQL, MongoDB, Firebase, Firestore. 🔹 Skilled in Python FastAPI, REST API, GraphQL API development, and database schema design. 🔹 Knowledgeable in Redis, Docker, Kubernetes, AWS EC2, S3, Nginx for scalable infrastructure. 🔹 Experienced with Nest.js for enterprise-grade server-side applications. 🔹 LangChain, LangServe, LangSmith, HuggingFace, Transformers for AI/LLM integrations. 🔹 Vector Databases: Chroma, FAISS, Pinecone, Qdrant for RAG pipelines. 🔹 Low-code AI tools: Flowise AI, LangFlow, StackAI for rapid prototyping. 🔹 Familiar with Celery task queues, testing frameworks (Pytest, Unittest), and automation tools like Selenium. 🌐 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗦𝗸𝗶𝗹𝗹𝘀: 🔹 Proficient in TypeScript, Redux Toolkit, Tailwind CSS with Next.js for high-performance frontends. 🔹 Skilled in building Progressive Web Apps (PWA) and Single Page Applications (SPA). 🔹 Expert in Vue.js, Nuxt.js, React.js, Next.js, HTML5, CSS3, React Native for responsive and cross-platform UIs. 🛠️ 𝗧𝗼𝗼𝗹𝘀 & 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: 🔹 Skilled in Python ML libraries: Scikit-learn, Numpy, Pandas, Matplotlib, Seaborn. 🔹 Familiar with OpenAI APIs, Whisper, GPT models, ChatGPT integration, and AI chatbot deployment. 🔹 Experienced with AWS (Lambda, S3, EC2, Sagemaker), Git/GitHub, and Linux environments (Ubuntu, CentOS). 🌟 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗔𝗜 & 𝗟𝗟𝗠 𝗦𝗸𝗶𝗹𝗹𝘀: 🔹 AI Agents / Voice Assistants: CrewAI, AutoGen, Amazon Polly, Deepgram, Rasa AI. 🔹 Open-Source LLMs: LLaMA 3, Mistral 7B, Mixtral 8×7B, Falcon, Gemma. 🔹 Inference Optimization: vLLM, TGI, TensorRT-LLM for high-speed deployments. 🔹 Prompt Engineering: Multi-turn, Few-shot, Zero-shot, RAG-based prompts. 🔹 Quantization: AWQ, GPTQ, GGUF, GGML for efficient LLM deployment. 🔹 LLM Fine-tuning: PEFT, LoRA, QLoRA, RLHF, DPO with Unsloth, Axolotl, H My expertise spans both frontend and backend technologies, as well as a variety of tools and additional skills that enable me to deliver comprehensive solutions. I am dedicated to providing high-quality, efficient solutions that cater to the unique needs of each project. My diverse skill set allows me to approach challenges from multiple angles, ensuring robust and innovative solutions. Warm regards, Atul Kumar

  • AI Bot
  • AI Chatbot
  • AI Development
  • AI Text-to-Speech
  • AI Text-to-Image
  • AI Speech-to-Text
  • AI App Development
  • AI Agent Development
  • AI Mobile App Development
  • AI Image Generation
  • AI Implementation
  • AI Platform
  • AI Model Integration
  • AI Security
  • AI Trading
Amar B.

Kolkata, India

$14/hr
5.0
5 jobs

I help startups and enterprises build scalable SaaS platforms, AI-powered applications, cloud-native systems, and high-performance web applications. With 15+ years of software engineering experience, I bring end-to-end expertise from system architecture and development to AWS deployment, DevOps automation, and production optimization. 🚀 Full-Stack Application Development Frontend: React.js, Next.js, Vue.js, TypeScript, JavaScript Backend: Python (FastAPI, Django, Flask), Node.js, NestJS REST APIs, Microservices, GraphQL, WebSockets Database Design: PostgreSQL, MySQL, MongoDB Scalable, clean, and maintainable architecture 🤖 AI & Intelligent Application Development AI SaaS applications & AI agent development OpenAI ChatGPT, Claude, LLM API integrations RAG systems, vector databases, AI automation workflows AI-powered chatbots and intelligent assistants ☁️ AWS Cloud, Microservices & DevOps AWS Serverless Development (Lambda, API Gateway, S3, DynamoDB, RDS, SQS, SNS, SES) Microservices architecture and cloud-native applications Docker, Kubernetes, Terraform, CloudFormation CI/CD with GitHub Actions, GitLab CI/CD, Jenkins Infrastructure as Code (IaC), monitoring, logging, and AWS cost optimization 🏆 Certifications AWS Certified DevOps Engineer – Professional AWS Certified Solutions Architect – Associate AWS Certified Developer – Associate AWS Certified Cloud Practitioner HashiCorp Certified Terraform Associate Why Clients Work With Me ✔ End-to-end ownership: Architecture → Development → Deployment ✔ Strong experience with SaaS, AI products, and enterprise applications ✔ Secure, scalable, and cost-optimized cloud solutions ✔ Clean code, automated testing, and reliable delivery ✔ Clear communication and a long-term technology partnership Whether you need a Full-Stack Developer, FastAPI/Python Engineer, Node.js/NestJS Developer, React/Next.js Expert, AI Application Developer, or AWS DevOps Engineer, I can help turn your ideas into production-ready solutions. Let’s build scalable, secure, and future-ready applications together.

  • Laravel
  • React
  • NodeJS Framework
  • FastAPI
  • AWS Lambda
  • AWS Fargate
  • Terraform
  • GitLab
  • Jenkins
  • Docker
  • Ansible
  • CI/CD
  • AWS CodeDeploy
  • AWS CloudFormation
  • AWS CodePipeline

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How to Hire Top Git Developers

How to hire top Git developers

Whether you’re building an app for mobile, web, or desktop, you’re going to need a way to keep track of software changes, revisions, and deployments. This is especially important if you have more than one developer working on a project, such as a full stack developer or a web developer. A Git developer can help you implement a distributed revision control (DRC) system for your project, ensuring that your development team works efficiently and collaboratively.

Git developers are often part of a larger development team, which may include software engineers, web developers, and remote developers. Their expertise in managing code repositories is essential for maintaining an organized workflow.

So how do you hire Git developers? What follows are some tips for finding top Git consultants on Upwork.

How to shortlist Git professionals

As you’re browsing available Git consultants, it can be helpful to develop a shortlist of the professionals you may want to interview. You can screen profiles on criteria such as:

  • Git repository services. You want a developer who’s familiar with your preferred Git repository hosting service (e.g., GitHub, GitLab, Bitbucket). GitHub developers with experience in programming languages relevant to your project will be an asset.
  • Project experience. Screen candidate profiles for specific skills and experience (e.g., software development, AWS, and version control with Azure DevOps). Experience with Docker, Linux, Node.js, Ruby on Rails, and SQL can also be crucial depending on your project's needs.
  • Feedback. Check reviews from past clients for glowing testimonials or red flags that can tell you what it’s like to work with a particular Git developer. Look for comments on their communication skills and ability to deliver high-quality results.

How to write an effective Git job post

With a clear picture of your ideal Git developer in mind, it’s time to write that job post. Although you don’t need a full job description as you would when hiring an employee, aim to provide enough detail for a contractor to know if they’re the right fit for the project.

Job post title

Create a simple title that describes exactly what you’re looking for. The idea is to target the keywords that your ideal candidate is likely to type into a job search bar to find your project. Here are some sample Git job post titles:

  • Need someone to manage the Git repository for our analytics app
  • Need help setting up a Git server on Windows with git-http-backend.exe
  • Seeking a back-end developer experienced with Atlassian and Bitbucket

Git project description

An effective Git job post should include:

  • Scope of work. From setting up Git to hosting your own repository on cPanel, list all the deliverables you’ll need.
  • Project length. Your job post should indicate whether this is a smaller or larger project, such as creating a REST API or managing an entire repository.
  • Background. If you prefer experience with certain technologies, programming languages, software, or developer tools, mention this here. For instance, experience with GraphQL or machine learning could be relevant depending on your project's needs.
  • Budget. Set a budget and note your preference for hourly rates vs. fixed-price contracts.

Git responsibilities

Here are some examples of Git job responsibilities:

  • Work with a development team to build user-facing features
  • Handle code documentation and manage repository on GitHub
  • Troubleshoot bugs and technical issues for the team, especially in startups that require agility

Git requirements and qualifications

Be sure to include any requirements and qualifications you’re looking for in Git developers. Here are some examples:

  • Git and your preferred DRC platform (e.g., GitLab, Bitbucket, Azure DevOps)
  • Desired technical expertise (e.g., front-end development, back-end development, full stack development)
  • Experience designing continuous integration and deployment (CI/CD) pipelines using tools like AWS
>

Git Developers FAQ

Frequently asked questions

What is Git?

Git is an open-source distributed version control system for tracking and managing revisions of computer files. Git takes a distributed approach to version control, allowing multiple developers to branch projects off a master repository so that they can make changes on their local machines. When developers are ready to push those changes to production, they can commit them to a staging area where they’ll be able to merge them with the master branch. Git is the most popular method of tracking changes in source code during software development, particularly among programmers and web developers.

How much does it cost to hire a Git developer?

The first step to determining the cost to hire a Git developer will be to define your needs. Rates can vary due to many factors, including expertise, years of experience, location, and market conditions.

Cost factor #1: project scope

The first variable to consider when determining scope is the nature of the work that needs to be completed. Not all Git projects are created equally. Hosting a small git repository on cPanel will typically take less time than managing the Bitbucket repository for a large enterprise app.

Tip: The more accurately your job description describes the scope of your project, the easier it will be for talent to give you accurate cost estimates and proposals.

Cost factor #2: Git developer experience

Choosing the right level of expertise for the job is closely tied to how well you determined the scope of your project. You wouldn’t need an advanced Git developer for a simple single-page application (SPA). On the other hand, creating and maintaining your own social media platform will require a skilled developer to effectively manage your remote repository, particularly if GraphQL or machine learning are part of the tech stack.

Beyond years of experience, you need to consider the type of experience the talent possesses. It’s important to note that “Git developer” is a bit of a misnomer. In truth, you will likely be looking for some other type of developer (e.g., Android, iOS, web developer) who happens to know Git. The following table breaks down the rates of the typical types of Git developers you can find on Upwork.

Rates charged by Git developers on Upwork

 

Developer Type

Description

Hourly Rate

Front end

Web fundamentals (HTML, CSS, JavaScript). JavaScript frameworks such as Angular, React, and Vue. Experience with Git and your preferred repository hosting service.

$30-60+

Back end 

Servers, cloud solutions, database technologies, and back-end languages (e.g., Java, PHP, Python). Back-end frameworks (e.g., ASP.NET, Laravel, Django). Experience with Git and your preferred repository hosting service.

$30-60+

Full stack

Working knowledge of both front-end and back-end development. Experience with Git and your preferred repository hosting service.

$60-100

 

Cost factor #3: location

Location is another variable that can impact a Git developer’s cost. It’s no secret that you can leverage differences in purchasing power between countries to gain savings on talent. But it’s also important to factor in hidden costs such as language barriers, time zones, and the logistics of managing a remote development team. The real advantage to sourcing talent remotely on Upwork is the ability to scan a global talent pool for the best possible person for the job. Location is no longer an obstacle.

Cost factor #4: independent contractor vs. agency

The final variable regarding talent cost is hiring an independent contractor vs. an agency. An agency is often a “one size fits all” model, so you’ll often have access to a designer, a project manager, an engineer, and more. When hiring individuals you have total autonomy regarding who is responsible for which part of the project, but you’ll need to source each of those skills separately.

The trade-off between hiring individuals vs. hiring an agency is the level of administrative overhead you incur personally in coordinating tasks among all members of the team. Project scope and personal preference will determine which style is a better fit for your needs.

Committing directly to master: Committing to master has become a running joke within the developer community. Everyone has a commit-to-master story where they or someone else broke a build or caused a problem by committing bad code to the master branch. As a general rule you should only commit to master by merging a development branch that is stable, tested, and ready for deployment. The idea is to commit all code changes to your own local branch and merge only once you’re sure those changes are validated.

If you need to roll back to the previous branch but don’t want to lose all the work you did accidentally committing to master, you can branch your current progress to save that work before rolling back the master branch to its previous version with the hard git reset command:

git branch new-branch

git reset HEAD~ –hard

git checkout new-branch

Not resetting keys and passwords after pushing sensitive data: Imagine accidentally uploading an SSH key or password to your repository through an accidental commit. You might think that all you have to do is remove that commit with a rebase or reset, followed by a force push to master. However, force push doesn’t actually delete the commit; it creates a new one and moves the file pointer to it. You can still access the old data via SHA-1. If you try to avoid this leak by manually deleting your .git folder, you risk messing up the repositories of other team members who might have pulled the latest changes. Moreover, your data was already exposed for an unacceptable period of time. This is why the most elegant solution is to simply update your keys after patching the leak in your remote repository.

Committing generated files: Generally speaking, you should commit only manual code to a repository. If a file is generated from your code it can be difficult to apply the line-based diff tracking used by Git. This normally powerful tool for tracking changes can become a major headache when it becomes difficult to separate the manual code changes that matter from the code changes that resulted from code-generated files. It also complicates contributions to your library from other developers, as they might make changes to the generated files rather than the source code itself. Their contributions could easily disappear the next time the build is run.

Tips and best practices

Keep commits clean, concise, and single-purpose

It can be all too easy to make large meandering commits that address multiple features and bugs in a single push. The problem with this approach is that other developers may find it difficult to understand your changes when they’re all lumped together in a single commit. Git is supposed to make it easier to work with a distributed team of developers. The larger that team is, the more important it becomes to keep your commits small and focused. Single-purpose commits streamline code reviews, simplify rollbacks, and make tracking changes with your ticketing system easier.

Commit early and often

You only really start to see the real benefits of a version control system like Git when you commit early and commit often. Think of it as saving your progress with periodic checkpoints as you code. This makes it easier to ensure each commit compiles and/or passes regression tests. The only exception may be for large public projects, where you don’t want to overwhelm contributors with an excessive number of commits. In this case, your commits may be more substantial, but they should still follow a general theme that makes sense and tells a story about the logical progression of your project.

Write detailed comments on your commits

Git requires you to write a comment for every commit. The idea is to be detailed and concise, capturing the purpose behind every code commit. The more descriptive you make these comments, the easier it will be to track bugs and figure out where your build went wrong when you encounter an issue in a future commit. It will also make it easier for a development team of programmers to collaborate on a project.

A talent edge for your entire organization

The hiring process should be structured to assess both technical and soft skills, such as communication skills and the ability to work collaboratively with team members. Conducting technical interviews and reviewing candidates' GitHub profiles for past projects and contributions can provide deeper insights into their capabilities, but all of this takes time and effort.

Upwork’s Enterprise Suite has you covered for hiring, managing, and scaling talent more strategically.

If you’re looking to hire for long-term or full-time assignments, see how Full-time hiring on Upwork simplifies the process and brings you access to the top talent for your project needs.