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python back end developer Jobs in Karachi

python back end developer

python developer

Enterprise64

<div>Overview 
Enterprise64 is a U.S.-based technology company that creates digital solutions for startups to Fortune 500 companies in the United States, Europe, and the United Arab Emirates. We are growing rapidly across all our global offices and have career opportunities for tech professionals who are looking to work in a fast-growing company, work in a fun environment, be challenged, grow, and fast-track their careers.
Job Overview 
We are hiring a Senior Python Backend Developer to join our dynamic team (Contract Role). The ideal candidate will have strong expertise in backend development, API design, and database optimization, ensuring high-performance, scalable, and secure applications. You will collaborate with cross-functional teams to build efficient, maintainable, and reliable backend solutions that drive our innovative products.
Key Responsibilities<ul><li>
Design, develop, and maintain ETL pipelines for large-scale data processing and integration.</li><li>
Work with AWS Glue, PySpark, and Apache Spark to process structured and unstructured data efficiently.</li><li>
Build and optimize data ingestion workflows from multiple sources into data lakes and warehouses.</li><li>
Ensure data quality, consistency, and reliability through validation and monitoring.</li><li>
Collaborate with cross-functional teams, including data scientists, analysts, and backend engineers, to deliver scalable data solutions.</li><li>
Implement and manage data transformation and schema evolution using AWS services (Glue, S3, Lambda, Redshift, etc.).</li><li>
Optimize Spark jobs for performance and cost efficiency.</li><li>
Develop and maintain metadata management and data cataloging in AWS Glue.</li><li>
Ensure adherence to data security, compliance, and governance best practices.</li><li>
Use Python for automation, data manipulation, and integration tasks.</li><li>
Implement CI/CD pipelines for data workflows and maintain infrastructure-as-code (IaC) using tools like Terraform or CloudFormation (a plus).</li></ul> 
Preferred Qualifications<ul><li>
Strong expertise in Python and PySpark for large-scale data processing.</li><li>
Hands-on experience with AWS Glue, AWS Lambda, S3, and Redshift.</li><li>
Solid understanding of ETL frameworks, data modeling, and data warehousing concepts.</li><li>
Experience with Apache Spark and distributed computing principles.</li><li>
Familiarity with workflow orchestration tools (e.g., Airflow, Step Functions).</li><li>
Knowledge of SQL and NoSQL databases for data querying and optimization.</li><li>
Strong problem-solving and debugging skills for data-intensive applications.</li><li>
Experience working in agile environments and collaborating with cross-functional teams.</li></ul></div>

Senior Python Developer - Contractor

Pitch Labs

Company: The Pitch Labs Shahrah-e-Faisal, Karachi, PakistanAbout Us: We&rsquo;re a growing tech team working on client-facing automation and web projects. We value clean code, reliable deployments, and a collaborative environment where each developer makes an impact.Role Overview: We are seeking a Python Developer to join us on-site and contribute to building and managing web applications, APIs, and cloud deployments. If you&rsquo;re comfortable with Flask, comfortable on Linux/AWS and looking to grow in a hands-on role, this is for you.Responsibilities:<ul><li>Develop, maintain and deploy Flask-based web applications.</li><li>Build and integrate REST APIs and work with automation scripts.</li><li>Manage cloud server deployments (AWS, DigitalOcean, etc.).</li><li>Collaborate with the core technical team and ensure timely delivery of client projects.</li><li>Troubleshoot production issues, optimise performance and maintain codebases via Git.</li></ul>Requirements:<ul><li>2&ndash;4 years of practical experience with Python; Flask expertise is required, Django knowledge is a plus.</li><li>Strong understanding of REST APIs, JSON, Linux environments and cloud platforms (AWS preferred).</li><li>Excellent problem-solving skills and ability to take ownership of tasks.</li><li>Ability to work on-site during 3 PM to 12 AM (Pakistan Time).</li><li>Location: Shahrah-e-Faisal, Karachi.</li></ul>Salary &amp; Benefits:<ul><li>PKR 90,000 &ndash; 150,000 / month (based on experience).</li><li>On-site role in Karachi.</li><li>Working hours: 3 PM &ndash; 12 AM PKT.</li></ul>How to Apply: Please send your CV and any relevant portfolio links to hr@thepitchlabs.com Subject line: Python Developer &ndash; Flask (Your Name)Why work with us: You will be working on real web projects with international clients, get to deploy into cloud environments regularly, and be part of a technically driven team where your contribution matters.Job Type: Full-timePay: From Rs90,000.00 per monthWork Location: In person

Python Developer (Flask) – On-site, Karachi

Robust Support and Solutions

We're looking to hire a &quot;Python Back End Developer&quot; for our back office in Karachi.Position: Python Backend DeveloperLocation: Fortune Tower, Karachi, PakistanExperience Level: 2&ndash;3 yearsAbout the Role:We are seeking an on-site Python Backend Developer in Karachi. You will be responsible for building, optimizing, and maintaining backend services and APIs. Experience with PostgreSQL will be considered a strong advantage.Responsibilities:- Develop and maintain backend services and REST APIs using Python.- Work with relational databases and write optimized queries (PostgreSQL preferred).- Collaborate with front-end and mobile developers to integrate systems.- Ensure code quality, scalability, and adherence to best practices.- Debug and troubleshoot backend services when needed.Requirements:- 2&ndash;3 years of experience in backend development with Python.- Hands-on experience with frameworks such as Django, Flask, or FastAPI.- Solid understanding of databases; PostgreSQL experience is a plus.- Familiarity with Git and collaborative workflows.- Strong problem-solving and communication skills.Candidates who have relevant working experience can send their resumes at ashahed@xclusivetradinginc.comJob Type: Full-timePay: Rs150,000.00 - Rs170,000.00 per monthApplication Question(s):<ul><li>Are you comfortable in working onsite at the night shift (US Time zone) (Job /['timings: 8pm-5am Pakistan time)</li><li>Share your last drawn salary and your salary expectations?</li></ul>Education:<ul><li>Bachelor's (Required)</li></ul>Experience:<ul><li>backend development with Python: 2 years (Required)</li></ul>Work Location: In person

Python Back End Developer

codian tech

Responsibilities:<ul><li>Design, develop, and maintain scalable and robust Python-based web applications using the Django framework.</li><li>Implement multi-tenancy architecture and SaaS (Software as a Service) solutions to meet the needs of diverse clients and users.</li><li>Design and build microservices-based architectures for improved scalability, modularity, and performance.</li><li>Integrate with online payment gateways to facilitate secure and seamless payment transactions within the applications.</li><li>Utilize Redis and Celery for efficient caching, task scheduling, and background processing in web applications.</li><li>Implement messaging and event-driven architecture using RabbitMQ for asynchronous communication between components.</li><li>Develop and consume RESTful APIs for seamless integration with external services and platforms.</li><li>Manage database systems, including schema design, optimization, and data migration tasks.</li><li>Deploy and orchestrate applications using Docker and Kubernetes for containerization and efficient resource management.</li><li>Conduct unit testing, integration testing, and performance testing to ensure the reliability, scalability, and security of applications.</li><li>Collaborate with cross-functional teams, including designers, product managers, and other developers, to deliver high-quality software solutions.</li></ul>Requirements:<ul><li>Proven experience as a Python Django Developer, with a focus on backend development.</li><li>Strong proficiency in Python programming language and the Django framework.</li><li>Experience with Redis, Celery, RabbitMQ, and RESTful API development.</li><li>Knowledge of multi-tenancy architecture, SaaS applications, and microservices design patterns.</li><li>Familiarity with database management systems such as PostgreSQL or MySQL.</li><li>Experience with Docker, Kubernetes, and containerization technologies.</li><li>Solid understanding of unit testing, integration testing, and software testing methodologies.</li><li>Strong problem-solving skills, attention to detail, and ability to work in a fast-paced environment.</li><li>Excellent communication skills and the ability to collaborate effectively with team members.</li></ul>Qualification: Bachelor&rsquo;s degree in computer science, engineering, or related field.Experience: 3 years of experience as a Python Django DeveloperLocation: Gulistan-e- Jauhar Block 1Job Type: Full-time &ndash; OnsiteJob Type: Full-timePay: Rs130,000.00 - Rs180,000.00 per month

Python Django Developr

Platinum programmers

About CodeNexoCodeNexo builds intelligent digital systems, from AI-driven web platforms to automation solutions and IoT integrations. We work with global clients to design, develop, and deploy next-generation products powered by data, AI, and cloud infrastructure.Job DescriptionWe&rsquo;re looking for a Junior Full-Stack Developer who&rsquo;s passionate about building modern web applications and exploring AI technologies. You&rsquo;ll be part of our core development team, working on full-stack systems that combine frontend interfaces, backend APIs, and intelligent automation.Key Responsibilities<ul><li>Develop responsive frontends using React.js / Next.js</li><li>Build RESTful and AI-integrated backends with Django, Flask, or FastAPI</li><li>Deploy and manage applications using AWS (EC2, S3, Lambda, etc.)</li><li>Collaborate on machine learning or automation modules (Python, scikit-learn, OpenAI APIs, etc.)</li><li>Integrate external APIs and third-party services</li><li>Participate in code reviews, version control (Git), and agile workflows</li><li>Work closely with senior developers and contribute to client projects</li></ul>Required Skills<ul><li>Proficiency in React.js / Next.js</li><li>Experience with Python frameworks (Django, Flask, or FastAPI)</li><li>Understanding of AWS cloud services (EC2, S3, or Lambda)</li><li>Basic understanding of AI/ML concepts (training models, APIs, or libraries)</li><li>Strong grasp of REST APIs, JSON, and modern software architecture</li><li>Familiarity with Git, Docker, or CI/CD pipelines is a plus</li></ul>Qualifications<ul><li>Bachelor&rsquo;s in Computer Science, Software Engineering, or related field</li><li>0&ndash;2 years of experience (internship or project-based experience acceptable)</li><li>Strong problem-solving skills and eagerness to learn</li></ul>What We Offer<ul><li>Exposure to AI-powered real-world projects</li><li>Mentorship from experienced engineers</li><li>Growth path toward Mid-level Developer or AI Engineer role</li><li>Flexible working hours and remote collaboration</li><li>Competitive salary based on skill level</li></ul>Job Types: Full-time, Part-time, FresherApplication Question(s):<ul><li>What is your current salary?</li><li>What is your expected salary?</li></ul>Experience:<ul><li>ReactJS: 1 year (Preferred)</li><li>python: 1 year (Preferred)</li></ul>Language:<ul><li>English (Required)</li></ul>Location:<ul><li>Karachi (Preferred)</li></ul>Work Location: In person

Junior Full-Stack Developer (React, Python, AI/ML)

ibex

<div>
 'We are looking for a skilled Python Developer with experience in AI/LLMs, Retrieval-Augmented Generation (RAG), and backend systems to join our team. The ideal candidate will have strong programming skills, a solid understanding of modern AI workflows, and the ability to design, implement, and optimize scalable solutions that integrate Large Language Models with knowledge retrieval systems.
 
 
 
 Responsibilities
 
 
 
 Responsibilities will include:
 
 
 RAG &amp; AI Implementation
 
 
 Implement and maintain RAG pipelines using custom or established frameworks such as LangChain
 
 
 Work with LLM APIs (e.g., Azure OpenAI, Google Gemini) to build AI-driven applications.
 
 
 Set up and manage vector databases (Azure AI Search, Google Vector Search, PGVector, Pinecone or Milvus) for document storage and retrieval.
 
 
 Develop utilities for document preprocessing, parsing, chunking, and embeddings generation.
 
 
 Backend Development
 
 
 Build REST APIs to expose RAG/LLM workflows to applications and products.
 
 
 Write clean, maintainable Python code using frameworks like FastAPI or Flask.
 
 
 Ensure scalability and reliability of backend services in production.
 
 
 Data &amp; Pipelines
 
 
 Build scripts for ETL and data ingestion pipelines to feed knowledge bases.
 
 
 Work with structured and unstructured data (text, PDFs, web content, databases).
 
 
 Monitor and optimize retrieval quality through embedding updates and reranking methods.
 
 
 
 Qualifications
 
 
 
 BSCS
 
 
 2-4 years of Experience
</div>

Software Engineer, Tech

Xynotech

We are seeking a highly skilled Odoo Developer with 5+ years of proven experience in developing, customizing, and deploying Odoo ERP solutions. The ideal candidate will be proficient in Odoo 18, with strong command over Python, PostgreSQL, OWL framework, XML/QWeb, and API integrations.Key Responsibilities:<ul><li>Develop and customize Odoo 18 modules (Sales, CRM, Inventory, HR, Accounting, Manufacturing, POS, Website, etc.)</li><li>Build and maintain custom modules, migration scripts, and performance-optimized solutions</li><li>Integrate Odoo with third-party applications (WhatsApp, LinkedIn, Payment Gateways, BI tools, etc.)</li><li>Manage Odoo.sh, Docker, Git, and Linux deployments with CI/CD pipelines</li><li>Collaborate with functional consultants to translate business workflows into technical solutions</li><li>Lead migration from Odoo 16/17 to Odoo 18, ensuring compatibility with OWL and UI/UX updates</li></ul>Required Skills &amp; Traits:<ul><li>5+ years of Odoo development with expertise in Odoo 16&ndash;18</li><li>Strong in Python, PostgreSQL, OWL (Odoo Web Library), XML/QWeb</li><li>Experience in API integrations, cloud/on-premise deployments</li><li>Functional understanding of Finance, HR, Sales, Inventory, and Supply Chain workflows</li><li>Ability to write clean, reusable, and well-documented code</li><li>Strong problem-solving, analytical, and mentoring skills</li><li>Proactive in learning and applying Odoo 18&rsquo;s new features</li></ul>If you are passionate about ERP development and want to work on cutting-edge Odoo 18 projects, we&rsquo;d love to connect !Job Type: Full-timeExperience:<ul><li>Odoo Development: 5 years (Required)</li></ul>Work Location: In person

Odoo Developer

Explore 290+ Python developer in Karachi this November. Find roles across top companies and apply now to boost your career.