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backend developer Jobs in Karachi Pakistan

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Quentis Pvt Ltd

We&rsquo;re Hiring: Backend Python DeveloperLocation: Shahrah-e-Faisal, Karachi Shift Timings: 12:00 PM &ndash; 09:00 PM (Monday to Friday) Employment Type:Full-TimeKey Responsibilities:Develop and maintain web applications using Python frameworks like Django or Flask.Collaborate with front-end teams to integrate server-side logic with user interfaces.Design, implement, and manage SQL/NoSQL databases to support web applications.Build and integrate RESTful APIs for efficient data exchange between services.Test and debug applications to ensure optimal functionality and performance.Write clean, modular, and well-documented code to support maintainability and scalability.Optimize web applications for speed, performance, and scalability.Work closely with cross-functional teams to deliver features on time and meet project goals.Stay updated on Python and web development trends to continuously enhance technical skills.Requirements:Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field.Proven experience as a Backend Python Developer.Strong understanding of RESTful API design, database systems (SQL/NoSQL), and ORM tools.Hands-on experience with Git, Docker, or cloud-based deployments is a plus.Problem-solving mindset with strong analytical and debugging skills.Job Type: Full-timePay: Rs1.00 - Rs170.00 per monthApplication Question(s):<ul><li>How many years of experience do you have working with Python in backend development?</li><li>Which Python framework(s) have you worked with professionally?</li><li>How familiar are you with RESTful API development and integration?</li><li>Do you have hands-on experience with databases such as MySQL, PostgreSQL, or MongoDB?</li><li>Are you comfortable working on-site at our office on Shahrah-e-Faisal, Karachi during the 12:00 PM &ndash; 09:00 PM shift (Monday to Friday)?</li><li>What is your current monthly salary (PKR)?</li><li>What is your expected monthly salary (PKR)?</li><li>When can you join if selected?</li></ul>Work Location: In person

Backend Python Developer

Bitrupt

Overview:We are seeking a talented and motivated Backend Developer with hands-on experience in Python (FastAPI) and Node.js. Development tasks will include providing backend server support APIs to front-end applications. Responsibilities will include platform development, database development, scalability, testing, and optimization. Candidate should be eager to learn new technologies and write custom solutions.Must Have:Proficiency in Python and frameworks such as Django, Flask, or FastAPI.Experience with Node.js and related frameworks.Experience with database management (SQL, PostgreSQL, MongoDB).Strong understanding of RESTful APIs, microservices, and system architecture.Familiarity with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes).Experience with CI/CD pipelines and DevOps practices.Knowledge of version control systems like Git.Qualifications:Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience).2+ years of experience in backend development, including production-level experience with Python and Node.js.Good To Have:Working experience with Dockers &amp; K8sWorking knowledge on OSGIKnowledge on kafka, python, and ELKGood communication skillsJob Type: Full-timePay: Rs80,000.00 - Rs150,000.00 per monthWork Location: In person

Backend Developer (Nodejs, Python, FastAPI)

Key Responsibilities:&middot; Assist in developing and maintaining Python-based applications and scripts.&middot; Write clean, efficient, and well-documented code under the guidance of senior developers.&middot; Support in debugging, testing, and performance optimization.&middot; Participate in code reviews and team discussions.&middot; Collaborate with the team to implement backend logic and integrate APIs.&middot; Stay updated on emerging technologies and best practices in Python development.Requirements:&middot; Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field.&middot; Basic understanding of Python programming language and OOP concepts.&middot; Familiarity with frameworks such as Django or Flask is a plus.&middot; Knowledge of REST APIs, SQL, or data handling is an advantage.&middot; Strong analytical and problem-solving skills.&middot; Eagerness to learn new technologies and contribute to real-world projects.&middot; Good communication and teamwork skills.Timings: 10 am to 7pmLocation: Gulshan e iqbal, karachi.Job Type: Full-timeWork Location: In person

Python Intern

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

Key Responsibilities<ul><li>Develop, maintain, and deploy Flask-based applications.</li><li>Work with APIs, automation scripts, and backend logic for web tools.</li><li>Manage and troubleshoot deployments on cloud servers (AWS, DigitalOcean, etc.).</li><li>Collaborate closely with our lead developers to ensure smooth project delivery.</li><li>Maintain clean, scalable, and efficient codebases using Git and version control.</li></ul>Required Skills<ul><li>Flask expertise is mandatory (Django experience is a plus).</li><li>2&ndash;4 years of hands-on experience in Python development.</li><li>Strong understanding of REST APIs, JSON, and integrations.</li><li>Working knowledge of Linux environments and cloud platforms (AWS preferred).</li><li>Ability to debug, optimize, and deliver on deadlines.</li></ul>Working Hours<ul><li>3 PM &ndash; 12 AM (Pakistan Time)</li><li>On-site position</li></ul>Salary Range<ul><li>PKR 90,000 &ndash; 150,000 (Based on experience and skills)</li></ul>Location<ul><li>Shahrah-e-Faisal, Karachi, Pakistan</li></ul>Job Type: Full-timePay: From Rs90,000.00 per monthWork Location: In person

Python Developer (Flask) On-site | 3 PM – 12 AM PKT | Karachi

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

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

Explore 346+ Backend python developer in Karachi Pakistan this November. Find roles across top companies and apply now to boost your career.