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Quanrio LLP

This position is for a client and not part of Quanrio&rsquo;s internal hiring.Location: Karachi, Pakistan Experience Required: Minimum 3 yearsJob Description: We are looking for a highly motivated Backend Developer to join our team in Karachi. The ideal candidate will have at least 3 years of professional experience in backend development, with working exposure to AI Large Language Models (LLMs). You will be responsible for designing and implementing scalable server‑side applications, integrating AI/ML features into production systems, and collaborating with cross‑functional teams to deliver innovative solutions.Key Responsibilities<ul><li>Develop, optimize, and maintain backend services and APIs.</li><li>Integrate AI/LLM models into applications for intelligent features such as chatbots, content generation, and recommendation systems.</li><li>Collaborate with data scientists and ML engineers to deploy and scale AI models.</li><li>Ensure system performance, security, and reliability.</li><li>Manage databases, caching, and distributed systems for high‑availability applications.</li><li>Conduct code reviews, write unit tests, and maintain documentation.</li><li>Stay updated with emerging backend and AI technologies.</li></ul>Requirements<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or related field.</li><li>Minimum 3 years of professional experience in backend development.</li><li>Strong proficiency in Node.js, Python, or Java for backend services.</li><li>Experience with frameworks such as Express.js, Django, or Spring Boot.</li><li>Solid understanding of databases: MongoDB, PostgreSQL, MySQL, or SQL Server.</li><li>Exposure to AI/LLM frameworks such as Hugging Face Transformers, LangChain, OpenAI APIs, or similar.</li><li>Familiarity with cloud platforms (AWS, Azure, GCP) and containerization tools like Docker/Kubernetes.</li><li>Knowledge of RESTful APIs, GraphQL, and microservices architecture.</li><li>Experience with CI/CD pipelines, Git/GitHub, and Agile methodologies.</li><li>Strong problem‑solving skills and ability to work in collaborative teams.</li></ul>Job type: Full timeJob Type: Full-timePay: Rs250,000.00 - Rs280,000.00 per monthWork Location: In person

Backend Developer

Systems Limited

<div>Position: Senior Backend Developer (Python/FastAPI + Azure) 
Location: Pakistan

Summary

Python Developer at Systems Limited will be responsible to develop scalable, secure, and well-architected backend systems, and is comfortable working in a fast-paced, cloud-native environment. Strong understanding of architecture, system design and optimizations.
<div>
Responsibilities:</div>
<ul>
<li>Design, build, and maintain RESTful APIs and backend services using Python (FastAPI)</li>
<li>Architect and Implement authentication, session management, and authorization workflows using Azure Entra ID (formerly Azure AD)</li>
<li>Write clean, testable, and well-documented code following best practices</li>
<li>Ensure high availability, security, and performance of backend systems</li>
<li>Collaborate closely with frontend, DevOps, and QA teams</li>
<li>Use Git for source control and follow collaborative branching/review practices</li>
<li>Oversee code review, architecture design and performance tuning.</li>
<li>Derive adoption of best practices in code quality, CI/CD, monitoring and observability</li>
</ul>
<div>Requirements:</div>
<ul>
<li>6+ years of hands-on backend development experience</li>
<li>Proficiency with Python and FastAPI (or similar frameworks like Flask/Django REST)</li>
<li>Strong knowledge of Azure cloud services, especially:</li>
<li><ul><li>Azure Entra ID (OAuth2, SSO, JWT)</li>
<li>Azure SQL, Cosmos DB, Redis</li>
<li>Azure Web PubSub, App Services, and APIM</li>
</ul></li><li>Experience with Git, pull requests, and version control workflows</li>
<li>Strong understanding of secure coding principles and session handling</li>
<li>Experience building scalable and modular backend architectures</li>
<li>Excellent communication, leadership skills.</li></ul></div>

Senior Backend Developer

TechForge Innovations

Location: Gulistan e Johar KarachiShift: Night 9 pm to 6 am.Internship Duration: 3 monthsStipend: Starts from 25,000Requirement: Must Have own LaptopAbout Us:At TechForge Innovations, we build powerful software solutions that help businesses grow and innovate. From web and mobile apps to enterprise systems, our goal is to deliver cutting-edge technology with real-world impact.About the RoleWe are seeking a passionate and driven Backend Developer Intern to join our development team. This role offers hands-on experience in building and maintaining backend systems while working on real-world projects.Responsibilities<ul><li>Develop, test, and maintain backend services and APIs</li><li>Work with databases to design and optimize data models</li><li>Collaborate with frontend developers and other team members</li><li>Write clean, efficient, and well-documented code</li><li>Debug and resolve backend-related issues</li><li>Follow best practices in backend development</li></ul>Requirements<ul><li>Basic to intermediate knowledge of backend technologies (Node.js / Python / Java / PHP)</li><li>Understanding of RESTful APIs</li><li>Familiarity with databases (MySQL, PostgreSQL, MongoDB, etc.)</li><li>Knowledge of Git and version control</li><li>Strong problem-solving skills and willingness to learn</li><li>Own laptop is mandatory</li></ul>Nice to Have<ul><li>Experience with backend frameworks (Express, Django, Spring Boot, etc.)</li><li>Familiarity with authentication, security, and API performance optimization</li><li>Personal or academic backend projects</li></ul>What We Offer<ul><li>Monthly stipend starting from 25,000</li><li>Hands-on experience with live projects</li></ul>Job Type: Full-timePay: From Rs25,000.00 per monthWork Location: In person

Backend Developer - INTERN

Launch Box

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 person

Senior Backend Developer (Node.js)

Progziel Technologies

Backend Developer (Node.js) &ndash; Karachi (Onsite)About the RoleWe are looking for a skilled Backend Developer (Node.js) to join our development team at our Karachi office. This is a full-time, onsite role for a mid-level developer who can contribute to building scalable backend systems and APIs.Key Responsibilities<ul><li>Design, develop, and maintain backend services using Node.js</li><li>Build and manage RESTful APIs</li><li>Work with databases to ensure efficient data storage and retrieval</li><li>Collaborate with frontend developers and other team members</li><li>Debug, optimize, and improve backend performance</li><li>Follow coding standards and best practices</li></ul>Required Qualifications<ul><li>3&ndash;4 years of professional backend development experience</li><li>Strong proficiency in Node.js</li><li>Experience with RESTful API development</li><li>Good understanding of databases (SQL or NoSQL)</li><li>Familiarity with version control systems such as Git</li><li>Strong problem-solving skills and attention to detail</li><li>Must be available for onsite work in Karachi</li></ul>Work Schedule<ul><li>Monday to Friday: 9:00 AM &ndash; 6:00 PM</li><li>Saturday: 9:00 AM &ndash; 2:00 PM</li></ul>LocationKarachi (Onsite &ndash; No remote work)What We Offer<ul><li>Competitive salary based on experience</li><li>Collaborative and professional work environment</li><li>Opportunities for learning and career growth</li></ul>Interested candidates are encouraged to apply with their updated resume and relevant project or GitHub links.Job Type: Full-timeWork Location: In person

Backend Developer (Node.js) – Karachi (Onsite)

Naqdi

Job Description:We are seeking a Senior .NET developer with a specialization in MT5 platform, particularly focusing on plugin and bridge API development. The ideal candidate will possess an in-depth understanding of building .NET applications, specifically for the MT5 trading platform. Your primary responsibility will be to design and develop backend components for our MT5-related applications while coordinating with the team across various infrastructure layers. A commitment to collaborative problem solving, sophisticated design, and delivering a high-quality product is essential.Responsibilities:<ul><li>Translate application storyboards and use cases into functional MT5 applications.</li><li>Design, build, and maintain efficient, reusable, and reliable .NET code tailored for the MT5 platform.</li><li>Integrate applications with MT5 through plugins, bridge APIs, and other relevant methods.</li><li>Develop and maintain bridge APIs for seamless integration between systems.</li><li>Create database schemas that represent and support trading and related business processes.</li><li>Ensure optimal performance, quality, and responsiveness of MT5-related applications.</li><li>Identify bottlenecks and bugs within the MT5 integration, devising solutions to address these issues.</li><li>Write test scripts as part of the coding process to ensure error-free deployments.</li><li>Help maintain code quality, organization, and automatization, especially in an MT5 environment..</li></ul>Requirements:<ul><li>Master's or Bachelor's Degree in Computer Science or equivalent.</li><li>5+ years of experience working on .NET technologies, with at least 2 years focused on backend enterprise solutions.</li><li>Extensive knowledge of MT5 platform, including plugin development and bridge API integrations.</li><li>Strong knowledge of the .NET framework, with proficiency in C#.</li><li>Familiarity with SQL Server, database design, and NoSQL databases.</li><li>Understanding of RESTful APIs, microservices, and the Mono framework.</li><li>Strong grasp of object-oriented programming with skills in writing reusable libraries.</li><li>Familiarity with popular web application frameworks (React, ASP .NET, Angular).</li><li>Comprehension of fundamental design principles for building scalable applications.</li><li>Experience with code versioning tools like GitHub, SVN, and CI/CD practices using platforms such as AWS and Jenkins.</li><li>Moderate proficiency working on cloud platforms like AWS and Azure</li></ul>Preferences but not Mandatory:<ul><li>Experience with FIX Protocol, Electronic Trading, and API integrations with MT5 and Crypto Exchanges.</li><li>Recent experience in teams that have developed real-time or near real-time trading systems</li></ul>Job Type: Full-timePay: Rs125,000.00 - Rs150,000.00 per monthWork Location: In person

Senior Backend Developer .NET – MT5

Digital Bee Studio

Digital Bee Studio is looking for an experienced Backend Developer with strong expertise in MongoDB, Express, and Node.js to join our team. If you&rsquo;re passionate about building scalable backend systems and robust APIs, we&rsquo;d love to hear from you.What You&rsquo;ll Do:<ul><li>Develop and maintain backend services using Node.js and Express.js.</li><li>Design, implement, and manage databases using MongoDB.</li><li>Build secure, scalable RESTful APIs.</li><li>Collaborate with frontend and mobile teams to support application development.</li><li>Optimize backend performance, security, and scalability.</li></ul>What We&rsquo;re Looking For:<ul><li>3&ndash;5 years of backend development experience.</li><li>Strong proficiency in MongoDB, Express.js, and Node.js.</li><li>Good understanding of REST APIs and Git.</li><li>Excellent problem-solving and communication skills.</li></ul>Nice to Have:<ul><li>Familiarity with React or React Native.</li><li>Experience with AWS, Docker, or CI/CD pipelines.</li><li>Knowledge of TypeScript.</li></ul>Office Location: Sindhi Muslim Block A, Karachi Office Timings: Monday - Friday (9:00 am to 6:00 pm)Job Type: Full-timePay: Rs120,000.00 - Rs160,000.00 per monthApplication Question(s):<ul><li>Please mention your current salary</li></ul>Work Location: In person

Backend Developer (MongoDB · Express · Node.js)

Explore 245+ Backend developer in Karachi Pakistan this January. Find roles across top companies and apply now to boost your career.