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backend python developer

Kuza Ventures

Position: Backend Python Developer Industry: IT Location: Karachi Job Role: Onsite Experience: 3-5 Years Education: Bachelor's or Master's in Computer Science or a degree in a relevant fieldResponsibilities: - Senior backend developer that can build scalable systems. - Working technical knowledge of Python ,Flask API's, and Graph QL - Must have experience with AWS or Azure. - Develop and create new software programs and applications. - Plan phases of the software development life cycle (SDLC) for various projects. - Experience with MySQL, MS SQL and Postgres database. - Experience with CI/CD pipelines and related tools.Job Type: Full-timePay: Rs200,000.00 - Rs300,000.00 per monthWork Location: In person

Backend Python Developer

CodexCape Solutions

We&rsquo;re looking for a Backend AI Developer to join our growing team. This is your chance to architect the brains behind next-gen AI applications building powerful, scalable backends that make the magic happen.Key Responsibilities<ul><li>Design, build, and maintain secure backend systems for AI-driven platforms.</li><li>Develop and optimize RESTful/GraphQL APIs for frontend and mobile apps.</li><li>Integrate AI/ML models (NLP, speech-to-text, recommendation engines, third-party AI APIs) into production environments.</li><li>Manage databases, cloud infrastructure, and data pipelines for high availability and scalability.</li><li>Collaborate with frontend devs, data scientists, and designers to ship end-to-end intelligent solutions.</li><li>Implement strong security, authentication, and RBAC protocols.</li><li>Continuously optimize performance and system scalability.</li></ul>Requirements<ul><li>Proven experience as a Backend Developer with AI/ML integration.</li><li>Proficiency in Python (FastAPI/Django/Flask) or Node.js.</li><li>Strong grasp of databases (SQL &amp; NoSQL) and cloud platforms like AWS, Google Cloud Platform, Microsoft Azure.</li><li>Hands-on experience with API design, microservices, and serverless architectures.</li><li>Familiarity with AI/ML frameworks (TensorFlow, PyTorch) and APIs (OpenAI, Hugging Face, etc.).</li><li>Solid understanding of data structures, algorithms, and backend performance optimization.</li><li>Strong knowledge of security practices (auth, encryption, authorization).</li><li>Collaborative mindset and problem-solving chops.</li><li>Bonus: experience with real-time systems and streaming data pipelines.</li><li>Bonus: experience scaling AI models in production.</li></ul>What We Offer<ul><li>Opportunity to work on cutting-edge AI projects with real-world impact.</li><li>Collaborative, growth-driven culture that values innovation.</li><li>Exposure to diverse industries and global clients.</li><li>Competitive compensation aligned with your experience.</li><li>A chance to be part of Codexcape&rsquo;s mission to build intelligent, scalable, future-ready solutions.</li></ul>How to ApplySend your CV and portfolio to: info@codexcape.solutions Office No. 2, Mezzanine Floor, Building 53-C, Badar Commercial Area, DHA, Karachi Phone: (021) 37520351Job Types: Full-time, Contract, FresherPay: Rs80,000.00 - Rs120,000.00 per monthExperience:<ul><li>AI development: 1 year (Preferred)</li></ul>Location:<ul><li>Karachi (Preferred)</li></ul>Work Location: In person

Backend AI Developer

97 Solutions

About the RoleWe are looking for an experienced Backend Developer (Python) with a strong background in FastAPI, SQLAlchemy, Alembic, Celery, and Docker. The project is a scalable backend system with modular APIs for users, organizations, dashboards, data connectors, and goal tracking.You&rsquo;ll be working on designing, optimizing, and scaling backend services that are already containerized with Docker and managed with Poetry for dependency control.---ResponsibilitiesDevelop and maintain backend APIs using FastAPIWork with SQLAlchemy ORM &amp; Alembic for schema design and migrationsIntegrate Celery for background tasks and queuesManage deployments with Docker &amp; Docker ComposeImplement authentication, authorization, and security best practicesCollaborate with frontend developers for seamless integrationsWrite clean, testable, and scalable code with Pytest or similar testing toolsOptimize queries and API performance for scalability---RequirementsStrong hands-on experience with Python (3.x)Proven experience with FastAPI frameworkSQLAlchemy &amp; Alembic for ORM and migrationsExperience with Celery for background jobsProficient in PostgreSQL or MySQLDocker-based development workflowGit/GitHub collaboration (branches, pull requests, reviews)Good communication skills in English---Nice to HaveFamiliarity with AWS, DigitalOcean, or GCPCI/CD experience (GitHub Actions, GitLab CI)Knowledge of OAuth2 / JWT authentication flowsExperience working on SaaS or multi-tenant appsJob Type: Full-timeAbility to commute/relocate:<ul><li>Karachi Nazimabad: Reliably commute or planning to relocate before starting work (Preferred)</li></ul>Application Question(s):<ul><li>Do you have experience working with FastAPI? Please share a project example.</li><li>What database have you used with SQLAlchemy (PostgreSQL, MySQL, etc.)?</li><li>Have you implemented Celery for background tasks before?</li><li>How do you usually manage environment dependencies (Poetry, Pipenv, requirements.txt)?</li><li>Do you have experience with Docker deployments in production?</li><li>Have you ever worked on a SaaS or multi-tenant platform?</li><li>What is your expected salary?</li><li>Our office timings are 12pm to 9pm Mon - Fri, Office Location is Nazimabad, is that feasible for you?</li></ul>Language:<ul><li>English (Required)</li></ul>Work Location: In person

Backend Developer - Python FastAPI

Saadi Math

We are hiring Architect level python web developer. A well reputed Software house &quot;Xfinitive&quot; needs an Architect level Senior Python Developer to lead its project operations in Karachi, with 7&ndash;10 years of experience, working as team leader and Solution Architect.Interested candidates must fill up our google form whose link is here:https://tinyurl.com/solutionarchitect7Job Type: Full-timeWork Location: In person

Python Full Stack Web Developer - Expert Backend Developer

Prima Consulting

Key Responsibilities<ul><li>Design, develop, and maintain scalable applications using Python.</li><li>Write clean, efficient, and reusable code following best practices.</li><li>Develop and integrate RESTful APIs and web services.</li><li>Work with relational and non-relational databases (e.g., MySQL, PostgreSQL, MongoDB).</li><li>Optimize application performance, scalability, and security.</li><li>Debug, test, and fix issues to ensure high-quality deliverables.</li><li>Collaborate with cross-functional teams including frontend developers, QA, and product managers.</li><li>Implement automation scripts for workflows, testing, or deployment.</li><li>Stay updated with emerging Python frameworks, libraries, and industry trends.</li><li>Participate in code reviews, technical discussions, and documentation</li></ul>Good to have:<ul><li>Laravel Knowledge, easily switch between tech stacks</li></ul>Experience:<ul><li>Atleast 2 years of experience in relevant field.</li></ul>Education<ul><li>Bachelor&rsquo;s degree in Computer Science or a related field.</li></ul>Please send your resume at careers@primaconsulting.org with the subject line &quot;Python Developer&quot;Job Type: Full-timeWork Location: In person

Pythn Developer

Launch Box

Job description:Senior Backend Developer &ndash; Join Our Growing Team!Location: Emarah Suites, Main Shahra-e-Faisal, Karachi Timings: 12:00 PM &ndash; 9:00 PM Employment Type: Full-time | On-siteAbout Us: We are a dynamic and fast-growing tech company dedicated to delivering high-quality, scalable, and innovative solutions for our global clients. We value creativity, problem-solving, and a passion for technology.Position Overview: We&rsquo;re looking for a Senior Backend Developer with strong expertise in Node.js and proficiency in multiple backend technologies. You will architect, develop, and maintain scalable APIs, databases, and backend systems, ensuring optimal performance and security.Key Responsibilities: Design, develop, and maintain robust backend systems and APIs, primarily using Node.js. Work with multiple backend languages and frameworks such as Python, PHP, Java, Go, or .NET when required. Collaborate with frontend developers, mobile engineers, and DevOps teams to deliver end-to-end solutions. Optimize applications for maximum speed, scalability, and security. Manage and maintain databases (SQL &amp; NoSQL) including PostgreSQL, MySQL, MongoDB. Implement best practices for code quality, testing, and deployment. Troubleshoot and debug applications, ensuring smooth performance. Mentor junior developers and lead code reviews.Requirements: 3+ years of backend development experience. Strong expertise in Node.js (Express.js, NestJS, or similar frameworks). Experience with RESTful APIs, GraphQL, and microservices architecture. Familiarity with cloud platforms (AWS, Azure, or GCP). Strong understanding of SQL &amp; NoSQL databases. Proficiency in other backend languages such as Python, PHP, Java, Go, or .NET. Knowledge of authentication, authorization, and security best practices (OAuth, JWT, etc.). Experience with Git and CI/CD pipelines. Strong problem-solving skills and attention to detail.Nice to Have: Experience with Docker, Kubernetes, and container orchestration. Knowledge of serverless architectures. Exposure to real-time systems (WebSockets, Socket.io).Job Type: Full-timeWork Location: In personJob Type: Full-timeWork Location: In person

Senior Node.js Developer

Systems Limited

<div>Position: React Native Developer 
Location: Pakistan

Summary

React Native Developer at Systems Limited will be working in a full-stack environment and have a solid understanding of cloud-native development principles. You will be responsible for designing, developing, and maintaining mobile applications while collaborating with cross-functional teams to deliver high-quality software solutions.

Responsibilities
<ul>
<li>Develop, test, and maintain high-performance React Native mobile applications for iOS and Android platforms.</li>
<li>Write clean, maintainable, and efficient code using JavaScript and related technologies.</li>
<li>Collaborate with backend developers to integrate APIs using Node.js and GraphQL.</li>
<li>Utilize jQuery and other frontend tools as needed for web-related components or hybrid app features.</li>
<li>Implement cloud-native solutions and deploy applications on cloud platforms (AWS, Azure, GCP, etc.).</li>
<li>Work with Python scripts or backend services to automate tasks, support data processing, or integrate services.</li>
<li>Participate in code reviews, troubleshoot, and debug issues to improve application performance.</li>
<li>Stay updated with the latest industry trends and technologies to continuously improve development practices.</li>
<li>Coordinate with product managers, designers, and other stakeholders to understand requirements and deliver solutions on time.</li>
</ul>
Requirements
<ul>
<li>Proven experience as a React Native developer with a strong portfolio of mobile applications.</li>
<li>Proficiency in JavaScript (ES6+) and solid understanding of React Native framework.</li>
<li>Experience with backend technologies, especially Node.js and GraphQL.</li>
<li>Familiarity with frontend libraries such as jQuery is a plus.</li>
<li>Knowledge of Python programming for automation or backend services.</li>
<li>Understanding of cloud-native development, containerization (Docker), and cloud services (AWS, Azure, GCP).</li>
<li>Experience with version control systems like Git.</li>
<li>Strong problem-solving skills and ability to work independently and in a team environment.</li>
<li>Excellent communication skills and ability to collaborate across teams.</li>
<li>Bachelor&rsquo;s degree in Computer Science, Engineering, or a related field (or equivalent practical experience).</li></ul></div>

React Native Developer

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