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backend developer - python fastapi Jobs in Karachi

backend developer - python fastapi

backend python developer

python developer java familiarity

Confiz

<div>The ideal candidate will be a Python expert with a primary focus on web and application scraping. They will also be responsible for maintaining existing applications and collaborating with cross-functional teams.
<ul><li>Web and Application Scraping: Write browser-based scraping applications using Selenium.</li>
<li>Develop Android application scrapers using the Appium framework.</li>
<li>Research third-party websites and Android apps to build efficient scraping logic.</li>
<li>Extract data from various file formats, including PDF, Excel, and CSV.</li>
<li>Integrate with third-party APIs using Python.</li>
<li>Ensure seamless application performance and drive operational excellence.</li>
<li>Maintain and contribute to applications primarily built in Python.</li>
<li>Deploy and maintain applications in AWS.</li>
<li>Work well in a team environment and collaborate effectively with cross-functional teams.</li>
<li>Use Docker for containerization.</li>
</ul>
Required Skills
<ul><li>A strong candidate will have a bachelor's or master's degree in computer science with a minimum of 5 years of hands-on experience in Python.</li>
<li>Experience: 5+ years of hands-on experience in Python.</li>
<li>Education: Bachelor's or master&rsquo;s degree in computer science or a related field. :</li>
<li>Python 3. Selenium. Appium.API Requests. Docker. Browserstack. Scraping Bee.</li>
<li>Familiarity with Java: o Familiarity with Java and related frameworks (e.g., Spring Boot) for potential minor contributions or maintenance tasks. General understanding of development principles in object oriented languages like Java.</li>
<li>Experience in deploying/maintaining applications in AWS.</li>
</ul>
We have an amazing team of 700+ individuals working on highly innovative enterprise projects &amp; products. Our customer base includes Fortune 100 retail and CPG companies, leading store chains, fast-growth fintech, and multiple Silicon Valley startups. What makes Confiz stand out is our focus on processes and culture. Confiz is ISO 9001:2015, 27001:2013 &amp; 20000-1:2018 certified. We have a vibrant culture of learning via collaboration and making the workplace fun. People who work with us work with cutting-edge technologies while contributing success to the company as well as to themselves.</div>

Python Developer (Java familiarity)

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

Systemapic

Pay: PKR 35,000 per month Job Type: Full-time (Remote &ndash; Karachi Candidates Only) Schedule: Monday &ndash; Saturday, 6 PM &ndash; 2 AM (PKT)About UsSystemapic is a premier software consulting firm driving business efficiency through workflow automation and intelligent software solutions. We specialize in ERP/CRM implementations, API integrations, project management, and custom software that helps clients optimize operations.We are seeking a Junior Workflow Automation &amp; Software Developer to join our team. This is a remote role limited to Karachi-based candidates, as our training, onboarding, and growth programs require candidates to be in the same city.This role is ideal for recent graduates or early-career professionals ( 1 year experience) who are eager to build long-term careers in automation + software development.Responsibilities<ul><li>Collaborate with senior developers to design and implement automation solutions for ERP, CRM, and project management platforms.</li><li>Develop and maintain applications using PHP, Python, Java, and Node.js.</li><li>Build integrations using RESTful APIs, webhooks, and automation platforms (Zapier, Make, Power Automate, N8N).</li><li>Assist in CRM/ERP customization (e.g., HubSpot, GoHighLevel, or similar platforms).</li><li>Support the development of KPI dashboards and reporting tools.</li><li>Test, deploy, and maintain automated workflows, ensuring reliability.</li></ul>Requirements<ul><li>Bachelor&rsquo;s degree (or currently in final year) in Computer Science, IT, or related field.</li><li>Karachi-based candidate (mandatory).</li><li>0&ndash;1 year of experience in software or workflow automation (fresh graduates are encouraged).</li><li>Basic knowledge of PHP, Python, Java, or Node.js.</li><li>Familiarity with RESTful APIs, webhooks, or automation tools is a plus.</li><li>Problem-solving mindset with eagerness to learn and grow.</li></ul>Why Join Us?<ul><li>Work on real-world client projects in workflow automation.</li><li>Long-term career growth with structured mentorship.</li><li>Supportive, learning-focused environment.</li><li>100% remote work (Karachi-based).</li></ul>Job Type: Full-timePay: Rs35,000.00 per monthApplication Question(s):<ul><li>Are you currently based in Karachi? (Yes/No)</li><li>How many months of professional experience do you have in software development or workflow automation?</li><li>Which of the following technologies have you worked with? (PHP / Python / Java / Node.js / RESTful APIs / Webhooks / Automation Tools)</li><li>Are you available to work Monday &ndash; Saturday, 6 PM &ndash; 2 AM PKT? (Yes/No)</li><li>Are you available to work on 35,000? (Yes/No)</li></ul>Work Location: In person

Junior Workflow Automation & Software Developer (Remote – Karachi Only) | Systemapic

Potentials Dev LLC

Job Title: Python DeveloperCompany: Potentials Dev Software CompanyJob Description:Potentials Dev Software Company is looking for a skilled and detail-oriented Python Developer to join our growing development team. The ideal candidate will have hands-on experience in developing, testing, and deploying Python-based applications and services. You will work on various backend systems, APIs, and automation tools, contributing to scalable and secure software products.Key Responsibilities:<ul><li>Develop, test, and maintain backend components and services using Python.</li><li>Build RESTful APIs for web and mobile applications.</li><li>Write reusable, testable, and efficient code.</li><li>Integrate databases and manage data flow across systems.</li><li>Collaborate with front-end developers, designers, and product managers.</li><li>Troubleshoot and debug applications.</li><li>Optimize performance and scalability of services.</li><li>Stay up-to-date with new trends and best practices in Python development.</li></ul>Requirements:<ul><li>Proven experience as a Python Developer.</li><li>Proficiency in Python frameworks such as Django, Flask, or FastAPI.</li><li>Experience working with relational (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB).</li><li>Understanding of RESTful API design and development.</li><li>Familiarity with version control tools like Git.</li><li>Knowledge of basic front-end technologies (HTML, CSS, JavaScript) is a plus.</li><li>Strong problem-solving skills and attention to detail.</li></ul>What We Offer:<ul><li>Competitive salary and benefits</li><li>Friendly, professional, and learning-focused environment</li><li>Exposure to real-world projects and cutting-edge technologies</li><li>Opportunities for career growth and skill development</li></ul>To Apply: Send your updated resume and relevant project links to humnamalik@potentialsdev.com with the subject line &quot;Application for Python Developer&quot;Job Type: Full-timePay: Rs25,000.00 - Rs30,000.00 per monthWork Location: In person

Python Developer

Techmile Solutions

Job Summary: We are seeking a talented and experienced Senior Software Developer to join our dynamic development team. In this role, you will be responsible for leading the design, development, and maintenance of complex software applications, driving the technical direction of projects, and mentoring junior developers. You will play a key part in ensuring the highest standards of software quality, performance, and scalability are met..Sr. Software Developer<ul><li>Software Development: Design, implement, and maintain robust, scalable, and high-performance software applications. Write clean, efficient, and well-documented code.</li><li>Architecture &amp; Design: Lead the architectural design of software systems, making decisions on frameworks, libraries, and development approaches. Ensure design patterns and best practices are followed.</li><li>Mentorship: Mentor and guide junior and mid-level developers, providing support in code reviews, pair programming, and problem-solving.</li><li>Collaboration: Collaborate with cross-functional teams (product managers, designers, QA, etc.) to define, prioritize, and deliver high-quality features.</li><li>Code Review &amp; Quality Assurance: Conduct code reviews to ensure adherence to best practices, performance standards, and maintainability.</li><li>Technical Leadership: Lead by example in terms of development practices, continuous improvement, and technology exploration. Provide technical guidance and support to other team members.</li><li>Problem Solving: Troubleshoot and resolve complex software issues and bugs, ensuring timely resolution to minimize disruption.</li><li>Testing &amp; Debugging: Implement unit, integration, and end-to-end tests to ensure high-quality, defect-free releases.</li><li>Continuous Improvement: Stay up-to-date with emerging technologies and industry trends. Propose and implement innovative solutions to improve efficiency and product quality.</li></ul>Required Skills &amp; Qualifications:<ul><li>Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Engineering, or related field (or equivalent practical experience).</li><li>Minimum of 5+ years of professional experience in software development.</li><li>Proficiency in multiple programming languages such as Java, Python, C#, JavaScript, or similar.</li><li>Experience with modern web frameworks (e.g., React, Angular, Vue.js) and backend technologies (e.g., Node.js, .NET, Spring, Django).</li><li>Solid understanding of software architecture, design patterns, and best practices.</li><li>Experience with databases (SQL and NoSQL), data modeling, and performance optimization.</li><li>Familiarity with cloud services (e.g., AWS, Azure, Google Cloud).</li><li>Strong experience in version control (e.g., Git), continuous integration/continuous delivery (CI/CD) pipelines.</li><li>Familiarity with containerization (e.g., Docker) and orchestration tools (e.g., Kubernetes) is a plus.</li><li>Knowledge of agile development methodologies and best practices (e.g., Scrum, Kanban).</li><li>Excellent problem-solving and analytical skills.</li><li>Strong communication skills, both written and verbal.</li></ul>Shift Timings:<ul><li>Morning Shift (3PM to 12AM)</li></ul>Location:<ul><li>Near Driving License office, Korangi, Karachi</li></ul>Job Type: Full-timePay: Rs200,000.00 - Rs250,000.00 per monthWork Location: In person

Senior Software Developer

Snskies Private Limited

Are you passionate about teaching and have extensive experience in the tech industry? We are looking for qualified trainers to lead our diverse range of training programs and shape the future of aspiring professionals.Training Areas:<ul><li>Python (Native, Django)</li><li>Java + Angular/React</li><li>AWS Developer Certifications</li><li>Microsoft Azure Certifications</li><li>Machine Learning / Deep Learning</li><li>ISTQB and Selenium</li><li>DevOps</li><li>Games Development (Unity / Unreal)</li><li>Salesforce</li><li>Data Analyst Tools (Power BI / Tableau)</li></ul>Qualification Criteria:<ul><li>BS CS / MS / PhD in relevant IT/CS fields.</li><li>Minimum 5 years of professional experience.</li><li>Relevant certifications (mandatory).</li><li>Strong communication and presentation skills.</li><li>Passion for teaching and mentoring.</li></ul>What We Offer:<ul><li>Competitive remuneration package.</li><li>Opportunity to train and mentor future industry professionals.</li><li>Dynamic and growth-oriented environment.</li><li>Flexibility in teaching schedules.</li></ul>How to Apply Directly: If you meet the above qualifications and are excited to share your expertise, apply now by sending your CV and certifications to s.saqib@snskies.com with the subject line &ldquo;Application for Trainer &ndash; [Your Specialization]&rdquo;.Application Deadline: 21st September 2025Job Types: Temporary, Contract Contract length: 6 monthsWork Location: In person

Certified IT Trainer

Sofstica

About UsAt Sofstica, we&rsquo;re at the forefront of pioneering AI-driven solutions that revolutionize industries. As part of our AI-firstengineering revolution, we&rsquo;re seeking versatile AI Engineers who excel in building intelligent agents and thrive in end-to-end product development. If you&rsquo;re passionate about solving complex problems with code, data structures, and cutting-edge AI frameworks, join us to shape the future of technology.Key Responsibilities<ul><li>AI Agent Development:</li><li>Design and implement advanced AI agents using Python, LangChain, LangGraph, and modern frameworks for reasoning, decision-making, and workflow orchestration.</li><li>Full-Stack Integration:</li><li>Build scalable backend services with Java SpringBoot, intuitive frontends with Next.js, and mobile apps with Flutter to deliver AI-powered products.</li><li>Deployment &amp; Scalability:</li><li>Deploy and maintain AI models in production environments.</li><li>Cross-Team Collaboration:</li><li>Partner with product and engineering teams to translate business logic into robust AI architectures and user-centric features.</li></ul>Qualifications<ul><li>Technical Expertise:</li><li>Excellent analytical, coding, and debugging skills in Python.</li><li>Hands-on experience building AI agents, RAG pipelines, or autonomous systems with frameworks like LangChain/LangGraph.</li><li>Solid understanding of data structures, algorithms, and system design for solving complex technical challenges.</li><li>Familiarity with frontend (Next.js/React) and mobile (Flutter) development, as well as backend development using Java SpringBoot (REST APIs, microservices, database integration).</li><li>Mindset:</li><li>Analytical problem-solver with a focus on writing clean, efficient, and scalable code.</li><li>Ability to balance rapid prototyping with production-grade engineering.</li><li>Strong communication skills to articulate technical trade-offs to diverse teams.</li></ul>Job Type: Full-timeEducation:<ul><li>Bachelor's (Required)</li></ul>Location:<ul><li>Karachi (Required)</li></ul>Work Location: In person

Artificial Intelligence Engineer

Explore 821+ Python developer java familiarity in Karachi this October. Find roles across top companies and apply now to boost your career.