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.net software developer – web & api Jobs in Karachi

.net software developer – web & api

senior python developer

Al Rafay Consulting

Job Overview:We are looking for a Senior Python Developer to assist in building and maintaining backend services, APIs, and automation scripts for enterprise applications. The role involves collaborating with senior developers and AI/ML engineers to implement features, integrate tools, and support solutions such as chatbots and data automation.Key Responsibilities<ul><li>Develop Python-based backend services for AI-powered enterprise applications.</li><li>Build and maintain APIs, automation scripts, and data pipelines.</li><li>Collaborate with AI/ML engineers to integrate NLP, OCR, and LLMs into business tools.</li><li>Work on intelligent solutions like chatbot frameworks, document automation, and enterprise assistants.</li><li>Integrate with Microsoft technologies (SharePoint Online, Power Automate, Azure Cognitive Services).</li><li>Use Azure DevOps for CI/CD and project lifecycle tracking.</li><li>Participate in sprints, peer code reviews, and collaborative design sessions.</li></ul>Required Skills &amp; Qualifications<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or related field.</li><li>6&ndash;8 years of experience with Python (Flask/Django or similar frameworks).</li><li>Solid understanding of REST APIs, microservices, and backend architecture.</li><li>Experience with AI tools: NLP, OCR, or integration with language models (OpenAI, Azure OpenAI).</li><li>Familiarity with Microsoft ecosystem (Azure Functions, SharePoint, Power Platform).</li><li>Good understanding of databases (SQL/NoSQL), data extraction, and automation.</li><li>Version control systems (e.g., Git) and CI/CD tools (Azure DevOps) experience.</li><li>Strong debugging, analytical, and communication skills.</li></ul>Preferred Qualifications<ul><li>Experience with Microsoft Cognitive Services, Azure OpenAI, or Power Automate flows.</li><li>Familiarity with chatbot frameworks (e.g., Rasa, Bot Framework).</li><li>Understanding of information security and data privacy in enterprise environments.</li><li>Exposure to enterprise-scale automation or document processing projects.</li></ul>Experience:<ul><li>IT: 7 years (Required)</li></ul>Work Location: In person

Senior Python Developer

NielsenIQ

<div>Company Description 
The very rapid development of e-commerce today gives access to thousands of information. These data are difficult to exploit by companies, which then have difficulty choosing the right levers of action and measuring their impact.
This is where NIQ for Digital Commerce comes in! Every day, we collect more than 60 billion pieces of information, process them and use them in innovative monitoring and action tools for professionals in the sector. Our goal: to give our customers and consumers real-time visibility into the market. Today : NIQ for Digital Commerce is a leading start-up in the &lsquo;Retail Analytics&rsquo; sector. In full growth, particularly internationally, we are looking for new collaborators to join our fabulous team! A young but experienced, dynamic and complementary team: a resolutely start-up spirit! Real job and career opportunities A friendly atmosphere and a climate of trust that promotes autonomy and challenge! 
Job Description 
As a Senior Python Developer within the scraping team, you will be among our talented and passionate team helping us optimize data collection!<ul><li>
Design, implement, and document robust Scrapy spiders, ensuring resilience against future website changes while maintaining existing ones.</li><li>
Conduct comprehensive code review and data validation to maintain the highest standards of code and data quality.</li><li>
Leverage in-depth knowledge of the HTTP protocol, the mechanisms of modern web browsers, and our own internal tools to design sophisticated web crawling solutions that bypass advanced anti-bot countermeasures.</li><li>
Architect and contribute to significant new developments across multiple codebases, providing clear technical documentation and conducting training sessions for relevant teams when necessary.</li></ul> 
Qualifications<ul><li> 
Master's degree in Computer Science, IT, or a related field.</li><li>
At least 5-6 years of professional experience in software engineering.</li><li>
Knowledge of BeautifulSoup or Scrapy framework</li><li>
Familiarity with HTML and JavaScript, with a solid understanding of single-page applications.</li><li>
Experience with RESTful and/or GraphQL APIs.</li><li>
Hands-on experience with major Python web frameworks such as Django, FastAPI, or similar.</li><li>
Knowledge of the scraping framework, Scrapy is a plus.</li><li>
Experience with time series databases, such as InfluxDB, is advantageous.</li><li>
Strong skills in Docker, Git, pandas, regular expressions, Linux, and bash scripting.</li><li>
Proven experience with major cloud providers such as AWS, GCP, or Azure.</li><li>
You are enthusiastic, motivated, autonomous.</li><li>
You like tackling mentally-stimulating software engineering challenges.</li><li>
You are passionate about tech and learning new things.</li></ul> 
Additional Information<div></div> 
Our Benefits<ul><li>
Flexible working environment</li><li>
Volunteer time off</li><li>
LinkedIn Learning</li><li>
Employee-Assistance-Program (EAP)</li></ul>
NIQ may utilize artificial intelligence (AI) tools at various stages of the recruitment process, including r&eacute;sum&eacute; screening, candidate assessments, interview scheduling, job matching, communication support, and certain administrative tasks that help streamline workflows. These tools are intended to improve efficiency and support fair and consistent evaluation based on job-related criteria. All use of AI is governed by NIQ&rsquo;s principles of fairness, transparency, human oversight, and inclusion. Final hiring decisions are made exclusively by humans. NIQ regularly reviews its AI tools to help mitigate bias and ensure compliance with applicable laws and regulations. If you have questions, require accommodations, or wish to request human review were permitted by law, please contact your local HR representative. For more information, please visit NIQ&rsquo;s AI Safety Policies and Guiding Principles: https://www.nielseniq.com/global/en/ai-safety-policies.

About NIQ
NIQ is the world&rsquo;s leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior and revealing new pathways to growth. In 2023, NIQ combined with GfK, bringing together the two industry leaders with unparalleled global reach. With a holistic retail read and the most comprehensive consumer insights&mdash;delivered with advanced analytics through state-of-the-art platforms&mdash;NIQ delivers the Full View&trade;. NIQ is an Advent International portfolio company with operations in 100+ markets, covering more than 90% of the world&rsquo;s population.
For more information, visit NIQ.com
Want to keep up with our latest updates?
Follow us on: LinkedIn | Instagram | Twitter | Facebook

Our commitment to Diversity, Equity, and Inclusion
At NIQ, we are steadfast in our commitment to fostering an inclusive workplace that mirrors the rich diversity of the communities and markets we serve. We believe that embracing a wide range of perspectives drives innovation and excellence. All employment decisions at NIQ are made without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, marital status, veteran status, or any other characteristic protected by applicable laws. We invite individuals who share our dedication to inclusivity and equity to join us in making a meaningful impact. To learn more about our ongoing efforts in diversity and inclusion, please visit the https://nielseniq.com/global/en/news-center/diversity-inclusion</div>

Senior Web Scraper

<div>
 
 The very rapid development of e-commerce today gives access to thousands of information. These data are difficult to exploit by companies, which then have difficulty choosing the right levers of action and measuring their impact.
 
 
 
 
 This is where NIQ for Digital Commerce comes in! Every day, we collect more than 60 billion pieces of information, process them and use them in innovative monitoring and action tools for professionals in the sector. Our goal: to give our customers and consumers real-time visibility into the market. Today : NIQ for Digital Commerce is a leading start-up in the &lsquo;Retail Analytics&rsquo; sector. In full growth, particularly internationally, we are looking for new collaborators to join our fabulous team! A young but experienced, dynamic and complementary team: a resolutely start-up spirit! Real job and career opportunities A friendly atmosphere and a climate of trust that promotes autonomy and challenge!
 
 
 
 
 
 
 Job Description
 
 
 
 
 As a Senior Python Developer within the scraping team, you will be among our talented and passionate team helping us optimize data collection!
 
 
 
 <ul>
 <li>
 
 Design, implement, and document robust Scrapy spiders, ensuring resilience against future website changes while maintaining existing ones.
 
 
 
 </li>
 <li>
 
 Conduct comprehensive code review and data validation to maintain the highest standards of code and data quality.
 
 
 
 </li>
 <li>
 
 Leverage in-depth knowledge of the HTTP protocol, the mechanisms of modern web browsers, and our own internal tools to design sophisticated web crawling solutions that bypass advanced anti-bot countermeasures.
 
 
 
 </li>
 <li>
 
 Architect and contribute to significant new developments across multiple codebases, providing clear technical documentation and conducting training sessions for relevant teams when necessary.
 
 
 
 
 
 </li>
 </ul>
 
 Qualifications
 
 
 
 <ul>
 <li>
 
 Master's degree in Computer Science, IT, or a related field.
 
 
 
 </li>
 <li>
 
 At least 5-6 years of professional experience in software engineering.
 
 
 
 </li>
 <li>
 
 Knowledge of BeautifulSoup or Scrapy framework
 
 
 
 </li>
 <li>
 
 Familiarity with HTML and JavaScript, with a solid understanding of single-page applications.
 
 
 
 </li>
 <li>
 
 Experience with RESTful and/or GraphQL APIs.
 
 
 
 </li>
 <li>
 
 Hands-on experience with major Python web frameworks such as Django, FastAPI, or similar.
 
 
 
 </li>
 <li>
 
 Knowledge of the scraping framework, Scrapy is a plus.
 
 
 
 </li>
 <li>
 
 Experience with time series databases, such as InfluxDB, is advantageous.
 
 
 
 </li>
 <li>
 
 Strong skills in Docker, Git, pandas, regular expressions, Linux, and bash scripting.
 
 
 
 </li>
 <li>
 
 Proven experience with major cloud providers such as AWS, GCP, or Azure.
 
 
 
 </li>
 <li>
 
 You are enthusiastic, motivated, autonomous.
 
 
 
 </li>
 <li>
 
 You like tackling mentally-stimulating software engineering challenges.
 
 
 
 </li>
 <li>
 
 You are passionate about tech and learning new things.
 
 
 
 
 
 </li>
 </ul>
 
 Additional Information
 
 
 
 
 
 Our Benefits
 
 
 
 
 <ul>
 <li>
 Flexible working environment
 </li>
 <li>
 Volunteer time off
 </li>
 <li>
 LinkedIn Learning
 </li>
 <li>
 Employee-Assistance-Program (EAP)
 </li>
 </ul>
 
 NIQ may utilize artificial intelligence (AI) tools at various stages of the recruitment process, including r&eacute;sum&eacute; screening, candidate assessments, interview scheduling, job matching, communication support, and certain administrative tasks that help streamline workflows. These tools are intended to improve efficiency and support fair and consistent evaluation based on job-related criteria. All use of AI is governed by NIQ&rsquo;s principles of fairness, transparency, human oversight, and inclusion. Final hiring decisions are made exclusively by humans. NIQ regularly reviews its AI tools to help mitigate bias and ensure compliance with applicable laws and regulations. If you have questions, require accommodations, or wish to request human review were permitted by law, please contact your local HR representative. For more information, please visit NIQ&rsquo;s AI Safety Policies and Guiding Principles: https://www.nielseniq.com/global/en/ai-safety-policies.
 
 
 
 
 
 
 About NIQ
 
 
 
 
 
 NIQ is the world&rsquo;s leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior and revealing new pathways to growth. In 2023, NIQ combined with GfK, bringing together the two industry leaders with unparalleled global reach. With a holistic retail read and the most comprehensive consumer insights&mdash;delivered with advanced analytics through state-of-the-art platforms&mdash;NIQ delivers the Full View&trade;. NIQ is an Advent International portfolio company with operations in 100+ markets, covering more than 90% of the world&rsquo;s population.
 
 
 
 
 For more information, visit NIQ.com
 
 
 
 
 Want to keep up with our latest updates?
 
 
 
 
 Follow us on: LinkedIn | Instagram | Twitter | Facebook
 
 
 
 
 
 
 Our commitment to Diversity, Equity, and Inclusion
 
 
 
 
 
 At NIQ, we are steadfast in our commitment to fostering an inclusive workplace that mirrors the rich diversity of the communities and markets we serve. We believe that embracing a wide range of perspectives drives innovation and excellence. All employment decisions at NIQ are made without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, marital status, veteran status, or any other characteristic protected by applicable laws. We invite individuals who share our dedication to inclusivity and equity to join us in making a meaningful impact. To learn more about our ongoing efforts in diversity and inclusion, please visit the https://nielseniq.com/global/en/news-center/diversity-inclusion
 
 
 
</div>

INQ STAR

Job TitleSenior Full Stack Developer (React / Node.js) &ndash; Mandatory Experience RequiredJob DescriptionWe are hiring a Senior Full Stack Developer to build a complete web-based system from scratch for internal business operations.This is a high-responsibility role requiring full ownership of the system, including architecture, development, and deployment. Only candidates meeting all mandatory requirements should apply.Key Responsibilities (Mandatory Experience)The candidate must have proven experience in all of the following:<ul><li>Built at least 1&ndash;2 complete web applications from scratch (end-to-end)</li><li>Designed system architecture independently</li><li>Developed full frontend and backend systems</li><li>Created and managed production-level APIs</li><li>Integrated third-party services (e.g., payment gateways, SMS APIs)</li><li>Built admin dashboards or internal tools</li><li>Deployed live projects on cloud platforms (AWS, GCP, or Azure)</li><li>Designed and managed databases, including optimization</li></ul>Technical Requirements (Mandatory)Frontend:<ul><li>Strong experience in React.js or Next.js</li></ul>Backend:<ul><li>Node.js or Python (Django or FastAPI)</li></ul>Database:<ul><li>PostgreSQL, MySQL, or MongoDB</li></ul>Other Requirements:<ul><li>API development and integrations</li><li>Git version control</li><li>Cloud deployment experience (AWS, GCP, or Azure)</li></ul>Education (Mandatory)<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, IT, or a related field</li></ul>OR<ul><li>Equivalent proven industry experience with a strong portfolio (must be demonstrated)</li></ul>Experience (Mandatory)<ul><li>Minimum 5+ years of full stack development experience</li><li>Proven track record of delivering live production systems</li></ul>Disqualification CriteriaApplications will not be considered if:<ul><li>Experience is limited to small tasks or partial modules</li><li>No complete systems have been built independently</li><li>Candidate is unable to explain system architecture clearly</li><li>Heavy dependency on team for core development</li></ul>Preferred Qualifications (Optional)<ul><li>Experience with logistics, inventory, or ERP systems</li><li>Familiarity with automation or AI tools</li><li>Basic understanding of UI/UX principles</li></ul>Job TypeFull-timeJob Type: Full-timePay: Rs150,000.00 - Rs200,000.00 per monthApplication Question(s):<ul><li>System Built from Scratch (Mandatory)</li></ul>Have you built a complete web application from scratch (frontend + backend + database + deployment)? If yes, share project details along with live link or GitHub.<ul><li>Experience Level (Mandatory)</li></ul>Do you have at least 5 years of full stack development experience?Yes / No<ul><li>Tech Stack (Mandatory)</li></ul>Do you have hands-on experience with:React.js or Next.js (Frontend) Node.js or Python (Backend) Yes / No<ul><li>System Design Ability (Mandatory)</li></ul>Can you independently design scalable system architecture? If yes, briefly explain how you would design a web application.<ul><li>Cloud Deployment (Mandatory)</li></ul>Have you deployed applications on cloud platforms (AWS, GCP, or Azure)? If yes, specify which platform and what you deployed.Work Location: In personJob Type: Full-timePay: Rs150,000.00 - Rs200,000.00 per monthWork Location: In person

Senior Full Stack Developer (React / Node.js)

ARRAK CONSULTING SMC PRIVATE LIMITED

We are seeking an AI Developer with deep experience in designing and deploying advanced AI systems. This role is ideal for someone who can lead AI initiatives and build scalable, production-grade intelligent solutions.Position: Senior AI Developer (Expert Level)Location: KARACHI, PAKISTANJob Type: Full-TimeKey Responsibilities:<ul><li>Architect and deploy advanced AI/ML and Deep Learning models at scale</li><li>Lead development of LLMs, Generative AI, and NLP solutions</li><li>Design end-to-end AI pipelines (data ingestion, training, deployment, monitoring)</li><li>Optimize model performance, scalability, and inference efficiency</li><li>Integrate AI systems into enterprise-grade applications and APIs</li><li>Mentor junior developers and contribute to AI strategy</li></ul>Required Skills:<ul><li>Expert-level proficiency in Python</li><li>Strong experience with TensorFlow, PyTorch, or equivalent frameworks</li><li>Hands-on experience with LLMs, Transformers, and Generative AI</li><li>Deep understanding of ML algorithms, deep learning, and data engineering</li><li>Experience with MLOps, model deployment, and CI/CD pipelines</li><li>Strong experience with cloud platforms (Azure, AWS, GCP)</li></ul>Preferred Qualifications:<ul><li>Experience with AI product development at scale</li><li>Knowledge of vector databases, embeddings, and RAG architecture</li><li>Background in computer vision or advanced NLP</li><li>Strong leadership and system design skills</li></ul>What We Offer:<ul><li>Work on cutting-edge AI innovations</li><li>Leadership opportunities and strategic impact</li><li>Competitive salary + performance-based incentives</li><li>High-growth, tech-driven environment</li></ul>Job Type: Full-timePay: Rs100,000.00 - Rs150,000.00 per monthWork Location: In person

Senior / Expert AI Developer - Night Shift

The Ghani IT Solutions

Role Overview:We are seeking an exceptionally skilled Senior Full-Stack Developer to lead the development of a mission-critical, high-performance intelligence platform. You will be responsible for building complex, real-time data visualization systems and integrating advanced geospatial layers with a custom AI-driven communication engine. This role requires a &quot;T-shaped&quot; engineer with deep expertise across the entire stack&mdash;from low-latency backends and high-concurrency data processing to sophisticated, interactive frontends.Key Responsibilities:- Full-Stack Architecture: Design and implement scalable, secure, and high-availability web applications from scratch using modern frameworks.- Geospatial Engineering: Develop multi-dimensional GIS (Geographic Information System) layers to visualize dynamic footprints and localized data zones using advanced mapping tools.- Real-Time Data Integration: Architect custom communication gateways and manage full-duplex data streaming via high-speed WebSockets.- Intelligence Dashboards: Build sophisticated, real-time dashboards that aggregate disparate data feeds into intuitive, actionable visual intelligence for monitoring and decision-making.- AI &amp; NLP Integration: Collaborate with AI engineers to integrate LLM-driven insights, automated data parsing, and intelligent alerting systems into the core platform.- Database Management: Design and optimize complex schemas for both relational and geospatial databases to ensure sub-second query performance on large datasets.Technical Requirements:- Frontend: Mastery of React.js or Next.js with expertise in advanced state management and real-time data visualization.- Backend: Advanced proficiency in Node.js (TypeScript) or Python (FastAPI/Django) for building high-concurrency microservices.- Geospatial Tools: Professional-level experience with ArcGIS API for JavaScript, Mapbox GL JS, or OpenLayers.- Databases: Deep knowledge of PostgreSQL with PostGIS for executing complex spatial queries. Familiarity with NoSQL and Redis for real-time caching is a plus.- AI Awareness: Solid understanding of integrating AI/ML models, RAG (Retrieval-Augmented Generation) workflows, and working with Vector Databases.- Infrastructure: Proven experience with Docker, Kubernetes, and managing real-time data streaming or communication protocols on AWS, GCP, or Azure.- Language Proficiency: Expert-level command over multiple programming languages (JavaScript/TypeScript, Python, and SQL).Location: DHA Phase 6, Karachi Shift: MorningWork Location: In person

Senior Full-Stack Developer (Real-Time Systems & Intelligence Platforms)

Codes Soft

We&rsquo;re looking for a passionate ERPNext / Frappe Developer to join our growing team. The ideal candidate will have a solid understanding of the ERPNext framework, strong Python development skills, and a drive to build efficient business solutions through customization and integration.Key Responsibilities<ul><li>Customize, develop, and extend ERPNext and Frappe modules to meet unique business requirements.</li><li>Design and implement new DocTypes, custom scripts, reports, dashboards, and print formats.</li><li>Develop and maintain REST APIs and integrations with third-party applications.</li><li>Implement business logic using Frappe&rsquo;s backend (Python) and frontend (JS/HTML/CSS) tools.</li><li>Optimize system performance, ensure data integrity, and troubleshoot technical issues.</li><li>Participate in system design, architecture discussions, and code reviews.</li><li>Deploy and manage ERPNext applications using Bench, Docker, and production environments.</li><li>Collaborate with QA and business teams to test and validate new features before deployment.</li><li>Monitor and maintain existing ERPNext instances, ensuring uptime and reliability.</li><li>Prepare technical documentation, user guides, and version release notes.</li></ul>Requirements<ul><li>Minimum 1 year of hands-on experience in ERPNext and Frappe customization.</li><li>Strong proficiency in Python and deep understanding of Frappe framework architecture.</li><li>Hands-on experience with custom apps, hooks, APIs, and background jobs.</li><li>Solid understanding of ERP workflows, DocTypes, permissions, and user roles.</li><li>Working knowledge of frontend technologies (HTML, CSS, JavaScript, jQuery).</li><li>Experience using Git / GitHub / GitLab for version control and team collaboration.</li><li>Basic understanding of database design (MariaDB/MySQL) and query optimization.</li><li>Ability to analyze business requirements and translate them into efficient ERPNext features.</li><li>Strong debugging, problem-solving, and communication skills.</li><li>Comfortable working in a Linux-based development and deployment environment.</li></ul>Preferred Qualifications<ul><li>Experience with Docker and containerized Frappe/ERPNext environments.</li><li>Proficiency with Git / GitHub / GitLab for version control and collaborative development.</li><li>Experience with API integrations (REST, GraphQL) and connecting ERPNext to third-party systems.</li><li>Understanding of background jobs, WebSockets, and real-time data handling in Frappe.</li><li>Familiarity with MariaDB/MySQL, database optimization, and query performance tuning.</li><li>Knowledge of bench commands, Frappe app deployment, and server management (Linux-based).</li><li>Experience working with Frappe hooks, custom scripts, and client/server event handling.</li><li>Understanding of Frappe&rsquo;s caching, queuing, and performance optimization techniques.</li><li>Basic knowledge of Nginx, Supervisor, Redis, and Celery configuration for Frappe setups.</li><li>Exposure to cloud environments (AWS, DigitalOcean, or similar) is a plus.</li><li>Strong understanding of business processes (e.g., Accounting, HR, CRM, Projects, or Inventory).</li></ul>Job Types: Full-time, FresherPay: Rs50,000.00 - Rs200,000.00 per monthEducation:<ul><li>Bachelor's (Required)</li></ul>Experience:<ul><li>as ERPNext Developer: 1 year (Required)</li></ul>Work Location: In person

ERPNext / Frappe Developer

Explore 513+ Senior python developer in Karachi this May. Find roles across top companies and apply now to boost your career.

513 senior python developer jobs In Karachi

Senior Python Developer

Senior Web Scraper

Senior Web Scraper

Senior Full Stack Developer (React / Node.js)

Senior / Expert AI Developer - Night Shift

Senior Full-Stack Developer (Real-Time Systems & Intelligence Platforms)

ERPNext / Frappe Developer