fastapi developer

AppedologyPK Recruitment

Role: Django DeveloperLocation: DHA Phase 5, Tauheed Commercial Area, Karachi - PakistanShift Nature: MorningShift Type: Full-TimeDays: Mon - FriJob Description:2 years of experience as Python Backend Developer with solid, hands-on expertise in Django and FastAPI to help build, enhance, &amp; scale backend services for modern web applications.Strong command of Python.Proven experience with Django and FastAPI.Practical experience integrating third-party APIs.Good understanding of PostgreSQL.Experience with Docker and container-based development.Familiarity with Git and version control practices.Preferred Qualifications:Exposure to AWS / Google CloudUnderstanding of CI/CD, deployment pipelines, and cloud infrastructure basicsJob Type: Full-timeWork Location: In person

Python Developer (Django)

ZAPTA Technologies (Pvt.) Limited

Job Title:Python Backend Developer (Django / FastAPI)We are seeking a Python Backend Developer with strong experience in Django and FastAPIto develop, maintain, and scale backend systems for web applications. The ideal candidate willhave hands-on experience delivering multiple real-world projects and working with moderncloud-based technologies.Key Responsibilities:● Design, develop, and maintain backend applications using Python, Django, andFastAPI● Build and consume RESTful APIs with proper authentication and authorization● Work on 2&ndash;4 production-level projects using Django and FastAPI● Integrate third-party services including payment gateways, social login providers, andcloud storage (AWS S3)● Manage and optimize databases using PostgreSQL or MySQL● Containerize applications using Docker and support deployment workflows● Collaborate with frontend developers, QA, and DevOps teams● Debug, troubleshoot, and improve application performanceRequirements:● Strong proficiency in Python● Hands-on experience with Django and FastAPI● Experience with third-party API integrations● Working knowledge of PostgreSQL and/or MySQL● Experience with Docker and containerized applications● Familiarity with Git and version controlPreferred Qualifications:● Experience with AWS services (EC2, S3, RDS)● Understanding of deployment pipelines and cloud environmentsJob Type: Full-timeWork Location: In person

Backend Developer (python)

Lab23 Technology

Job Title: Junior Backend Engineer (Node.js + FastAPI)Experience: 1 &ndash; 1.5 Years Location: Bahria Town Lahore Company: LAB23 TechnologiesAbout LAB23 TechnologiesLAB23 Technologies is an AI-driven product development company building scalable SaaS platforms and AI Agents across E-commerce (Zanderio AI), Real Estate, FinTech, and Energy Systems.We specialize in designing intelligent backend systems that power AI agents, automation workflows, predictive engines, and conversational systems.We are looking for a driven Junior Backend Engineer who is comfortable working with both Node.js and Python (FastAPI) and is eager to contribute to AI-powered system architecture.Role OverviewAs a Junior Backend Engineer, you will:<ul><li>Build scalable backend systems</li><li>Work on AI Agent workflows and orchestration</li><li>Handle complex data structures and system logic</li><li>Contribute to multi-language backend architecture (Node.js + FastAPI)</li></ul>This role is ideal for someone who understands backend fundamentals deeply and wants exposure to AI infrastructure and intelligent systems.Key Responsibilities<ul><li>Develop and maintain backend services using Node.js</li><li>Build lightweight AI-related microservices using Python (FastAPI)</li><li>Design scalable RESTful APIs for SaaS and AI-driven applications</li><li>Work on AI Agent workflows (state management, memory, orchestration)</li><li>Manage structured and unstructured data pipelines</li><li>Integrate LLM APIs (OpenAI, Claude, etc.) with backend systems</li><li>Optimize backend performance and ensure production stability</li><li>Contribute to backend architecture planning and documentation</li><li>Debug and resolve system-level issues in staging/production</li><li>Collaborate with AI Engineers and Frontend teams</li></ul>Technical Requirements Must Have:<ul><li>1 &ndash; 1.5 years of backend experience</li><li>Strong proficiency in Node.js</li><li>Good working knowledge of Python</li><li>Experience building APIs using:</li><li>Express.js / Node frameworks</li><li>FastAPI (or similar Python framework)</li><li>Strong understanding of:</li><li>Async programming</li><li>Middleware architecture</li><li>JWT authentication</li><li>API security best practices</li><li>Experience with databases:</li><li>MongoDB (preferred)</li><li>OR PostgreSQL / MySQL</li><li>Understanding of system design basics</li><li>Experience with Git and version control</li></ul>Good to Have:<ul><li>Experience integrating AI APIs (OpenAI, Anthropic, etc.)</li><li>Understanding of vector databases (Pinecone, Weaviate, etc.)</li><li>Knowledge of Redis / caching</li><li>Experience with Docker</li><li>Exposure to microservices architecture</li><li>Experience building SaaS backend systems</li></ul>What We&rsquo;re Looking For<ul><li>Strong logical and analytical mindset</li><li>Ability to understand complex workflows</li><li>Comfort working with data-heavy systems</li><li>Clean coding standards and modular design approach</li><li>Ownership mentality</li><li>Ability to work in a fast-paced startup environment</li></ul>Growth OpportunityAt LAB23, you will:<ul><li>Work on real AI Agent systems</li><li>Contribute to scalable SaaS platforms</li><li>Learn advanced backend and system architecture</li><li>Gain hands-on exposure to AI integrations</li><li>Grow into Mid-Level Backend or AI Systems Engineer</li></ul>High performers can move toward:<ul><li>AI Backend Specialist</li><li>System Architect</li><li>Technical Lead (Long-term path)</li></ul>CompensationCompetitive salary based on skill and performance. Performance-based growth opportunities available.Job Type: Full-timePay: From Rs50,000.00 per monthAbility to commute/relocate:<ul><li>Lahore: Reliably commute or planning to relocate before starting work (Preferred)</li></ul>Work Location: In person

Junior Backend Engineer (Node.js + FastAPI)

Gigalabs (Pvt) Ltd.

<div><h5 class="jobSectionHeader">Job Brief: 
Employment Type: Full time, Onsite 
Timings: 12PM-9PM 
Location: Johar Town, G4 
Experience: 4-5 years 
 
Responsibilities:</h5><ul><li>
Develop AI-Driven APIs: Build internal tools and endpoints using FastAPI that serve data insights powered by LLMs.</li><li>
Automate Business Logic: Replace manual data entry and analysis tasks with autonomous n8n workflows.</li><li>
Data Quality Assurance: Ensure the inputs fed into LLM pipelines are clean and the outputs generated are accurate and hallucination-free.</li><li>
Database Management: Maintain and optimize the PostgreSQL instance to handle increasing loads of relational and vector data.</li></ul><h5 class="jobSectionHeader">
Requirements:</h5><h5 class="jobSectionHeader">
Candidates must possess hands-on proficiency in the following areas:</h5><h5 class="jobSectionHeader">
Core Programming &amp; APIs</h5><ul><li><h5 class="jobSectionHeader">
Python Proficiency: Advanced knowledge of Python for data manipulation and</h5>
backend logic.</li><li>
API Development: Proven experience building, documenting, and maintaining RESTful APIs using FastAPI (preferred for async capabilities) and Flask.</li><li><h5 class="jobSectionHeader">
Microservices: Ability to wrap data models and scripts into deployable services.</h5></li></ul><h5 class="jobSectionHeader">
AI &amp; LLM Integration</h5><ul><li><h5 class="jobSectionHeader">
LLM Pipelines: Experience constructing chains and agents (e.g., using LangChain,</h5>
LlamaIndex, or custom scripts) to process text and data.</li><li>
OpenAI API: Deep familiarity with the OpenAI ecosystem (GPT-4, Assistants API, function calling) and cost optimization strategies.</li><li>
Prompt Engineering: Demonstrated ability to design system prompts that yield consistent, structured outputs (JSON) from unstructured data.</li></ul><h5 class="jobSectionHeader">
Database &amp; Data Management</h5><ul><li><h5 class="jobSectionHeader">
PostgreSQL Mastery: Advanced SQL skills including complex joins, window</h5>
functions, and performance tuning.</li><li>
Vector Data: Experience with vector embeddings and vector similarity search (e.g., using pgvector in PostgreSQL) for RAG (Retrieval-Augmented Generation) implementations.</li><li>
Data Modeling: Ability to design efficient database schemas to store historical data and LLM interaction logs.</li></ul><h5 class="jobSectionHeader">
Automation &amp; Orchestration</h5><ul><li><h5 class="jobSectionHeader">
n8n Workflow Automation: Strong experience creating complex, conditional</h5>
workflows in n8n to connect disparate services (Webhooks, APIs, Databases).</li><li>
ETL/ELT: Ability to automate data extraction and transformation pipelines using n8n and Python scripts.</li></ul></div>

AI Solution Engineer

Esyacode Software

Job Description Role: Python Backend Developer Experience: Min 8 Years - 14 Years Location: Whitefield, Bangalore (Hybrid)We are looking for an experienced Python Backend Developer with strong expertise in building scalable web applications and RESTful APIs using Flask/FastAPI. The ideal candidate should have a solid background in backend development, basic exposure to Microsoft Azure, and a good understanding of web application architecture.Key Responsibilities Design, develop, and maintain RESTful APIs using Python frameworks such as Flask and FastAPI Build scalable, secure, and high-performance backend services Collaborate with frontend developers, DevOps, and product teams to deliver end-to-end solutions Implement business logic, data validation, and API integrations Optimize application performance and ensure high availability Participate in architecture discussions and contribute to system design decisions Write clean, reusable, testable, and well-documented code Troubleshoot, debug, and resolve production issues Required Skills &amp;Qualifications 8 years of experience with min. 5+ years of relevant experience in Python backend/web development Strong experience with Flask and/or FastAPI Solid understanding of REST API design principles Experience with relational and/or NoSQL databases (PostgreSQL, MySQL, MongoDB, etc.) Knowledge of authentication and authorization mechanisms (JWT, OAuth, etc.) Familiarity with Git and CI/CD workflowsRequired SkillsPython MongoDB RESTful APIs PostgreSQL MySQL GIT SQL/NoSQL databases FastAPI CI/CD JWT Flask Backend development OAuth Web Application Architecture Relational DatabasesExperience 8 - 14 yearsBudget 20 LPA - 34 LPANotice Period Immediate - Serving NoticeJob Types: Full-time, PermanentPay: ₹1,592,781.59 - ₹3,380,228.33 per yearWork Location: In person

Senior Python Developer

Realign

<div>Irving, Texas 75014 Posted February 28th, 2026
 <div></div>Looking for more job opportunities? Click here!</div>
 <div>Job Type: Full Time
Job Category: IT
Job Description
<div>Job Title: Senior Generative AI Developer 
Location &ndash; Irving, TX / Tampa, FL / Jersey City, NJ (3 Days onsite/week) 
FTE</div><div> 
 
Job Description: 
We are seeking an experienced Senior Generative AI Developer to design and implement cutting-edge AI solutions leveraging Retrieval-Augmented Generation (RAG) techniques. The ideal candidate will have strong expertise in Python programming, FastAPI, and cloud platforms (AWS, Azure, or GCP). This role requires a deep understanding of system architecture design, scalable APIs, and end-to-end AI solution development.</div><div></div><div> 
Key Responsibilities: 
Architect and develop Generative AI applications using RAG frameworks for enterprise-scale solutions. 
Design and implement robust system architectures for AI-driven platforms ensuring scalability, security, and performance. 
Build and optimize APIs using FastAPI for seamless integration with AI models and data pipelines. 
Collaborate with cross-functional teams to integrate AI solutions into existing systems and workflows. 
Implement data ingestion, preprocessing, and retrieval mechanisms for large-scale knowledge bases. 
Ensure compliance with best practices for cloud deployment (AWS, Azure, or GCP). 
Conduct performance tuning and optimization of AI models and APIs. 
Stay updated with the latest advancements in Generative AI, LLMs, and RAG methodologies.</div><div> 
Required Skills &amp; Qualifications 
8+ years of professional experience in software development and system design. 
Strong proficiency in Python and experience with FastAPI for API development. 
Hands-on experience with Generative AI frameworks and RAG architectures. 
Solid understanding of system and architecture design principles for distributed applications. 
Experience deploying solutions on any major cloud platform (AWS, Azure, GCP). 
Familiarity with vector databases, embedding models, and retrieval pipelines. 
Strong problem-solving skills and ability to work in a fast-paced environment.</div><div> 
Preferred Qualifications 
Experience with LLM fine-tuning, prompt engineering, and model evaluation. 
Knowledge of containerization (Docker) and orchestration (Kubernetes). 
Exposure to CI/CD pipelines and DevOps practices.</div> 

Required Skills
CLOUD DEVELOPER SQL APPLICATION DEVELOPER</div>

Senior Generative AI Developer-5

<div>Tampa, Florida 33592 Posted February 28th, 2026
 <div></div>Looking for more job opportunities? Click here!</div>
 <div>Job Type: Full Time
Job Category: IT
Job Description
<div>Job Title: Senior Generative AI Developer 
Location &ndash; Irving, TX / Tampa, FL / Jersey City, NJ (3 Days onsite/week) 
FTE</div><div> 
 
Job Description: 
We are seeking an experienced Senior Generative AI Developer to design and implement cutting-edge AI solutions leveraging Retrieval-Augmented Generation (RAG) techniques. The ideal candidate will have strong expertise in Python programming, FastAPI, and cloud platforms (AWS, Azure, or GCP). This role requires a deep understanding of system architecture design, scalable APIs, and end-to-end AI solution development.</div><div></div><div> 
Key Responsibilities: 
Architect and develop Generative AI applications using RAG frameworks for enterprise-scale solutions. 
Design and implement robust system architectures for AI-driven platforms ensuring scalability, security, and performance. 
Build and optimize APIs using FastAPI for seamless integration with AI models and data pipelines. 
Collaborate with cross-functional teams to integrate AI solutions into existing systems and workflows. 
Implement data ingestion, preprocessing, and retrieval mechanisms for large-scale knowledge bases. 
Ensure compliance with best practices for cloud deployment (AWS, Azure, or GCP). 
Conduct performance tuning and optimization of AI models and APIs. 
Stay updated with the latest advancements in Generative AI, LLMs, and RAG methodologies.</div><div> 
Required Skills &amp; Qualifications 
8+ years of professional experience in software development and system design. 
Strong proficiency in Python and experience with FastAPI for API development. 
Hands-on experience with Generative AI frameworks and RAG architectures. 
Solid understanding of system and architecture design principles for distributed applications. 
Experience deploying solutions on any major cloud platform (AWS, Azure, GCP). 
Familiarity with vector databases, embedding models, and retrieval pipelines. 
Strong problem-solving skills and ability to work in a fast-paced environment.</div><div> 
Preferred Qualifications 
Experience with LLM fine-tuning, prompt engineering, and model evaluation. 
Knowledge of containerization (Docker) and orchestration (Kubernetes). 
Exposure to CI/CD pipelines and DevOps practices.</div> 

Required Skills
CLOUD DEVELOPER SQL APPLICATION DEVELOPER</div>

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2771 fastapi developer jobs Near Me

Python Developer (Django)

Backend Developer (python)

Junior Backend Engineer (Node.js + FastAPI)

AI Solution Engineer

Senior Python Developer

Senior Generative AI Developer-5

Senior Generative AI Developer-5