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back end engineer

Vinspyre

We're Hiring: Back-End Developer |Vinspyre is looking for a talented Back-End Developer to join our growing development team. This is a great opportunity for someone who is passionate about building efficient server-side applications and APIs.Position Details:Job Title: Back-End DeveloperLocation: DHA Phase 8, Karachi (On-site)Working Hours: 6:00 PM &ndash; 3:00 AMSalary: Market CompetitiveKey Responsibilities:Develop and maintain scalable server-side applications using Node.jsDesign and build secure, reliable RESTful APIsIntegrate front-end elements with server-side logicOptimize applications for speed, performance, and scalabilityCollaborate with front-end developers, designers, and other team members to deliver high-quality productsWrite clean, maintainable, and testable codeRequirements:Proficiency in Node.js and related frameworks (e.g., Express.js)Strong understanding of databases such as MongoDB, MySQL, or PostgreSQLExperience with version control systems like GitFamiliarity with RESTful API design and integrationKnowledge of application security and data protection best practicesPrevious experience in back-end development is preferredTo apply, send your resume to: Careers@vinspyre.comJob Type: Full-timeWork Location: In person

Back End Developer

Digital Cuberoot

We are looking for a skilled Backend Developer with expertise in PHP, Node.js, and databases (SQL &amp; NoSQL), who also has exposure to AI/ML integration. You will build and maintain scalable backend services, integrate AI-driven solutions, and ensure secure, high-performance systems running on AWS and Azure.Key Responsibilities<ul><li>&#61623; Develop, test, and maintain backend services and APIs using PHP and Node.js.</li><li>&#61623; Design and optimize SQL (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) databases.</li><li>&#61623; Integrate AI/ML models and APIs (TensorFlow, PyTorch, OpenAI, Hugging Face, etc.) into applications.</li><li>&#61623; Work with cloud platforms (AWS &amp; Azure) for deployment, scaling, and monitoring.</li><li>&#61623; Manage server configurations, performance tuning, and troubleshooting.</li><li>&#61623; Collaborate with AI engineers, data scientists, and frontend teams to deliver intelligent solutions.</li><li>&#61623; Implement CI/CD pipelines and version control using Git.</li><li>&#61623; Ensure backend services follow security best practices and compliance standards.</li></ul>Requirements <ul><li>&#61623; Proven experience in backend development using PHP (Laravel, Symfony, or similar) and Node.js (Express, NestJS).</li><li>&#61623; Strong knowledge of SQL databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Redis, Cassandra).</li><li>&#61623; Hands-on experience with AI/ML model integration, AI APIs, or data pipelines.</li><li>&#61623; Familiarity with cloud services: AWS (EC2, S3, Lambda, RDS) and Azure (App Services, Cosmos DB, Functions).</li><li>&#61623; Solid understanding of server management (Linux, Nginx/Apache, scaling).</li><li>&#61623; Experience with Git and collaborative workflows (GitHub/GitLab/Bitbucket).</li><li>&#61623; Knowledge of RESTful APIs, GraphQL (nice to have), and microservices.</li><li>&#61623; Strong debugging, problem-solving, and analytical skills.</li></ul>Good to Have <ul><li>&#61623; Exposure to MLOps tools (Docker, Kubernetes, MLflow, Kubeflow).</li><li>Familiarity with AI-powered search/recommendation systems.</li><li>&#61623; Experience in data pipelines, streaming, or event-driven architectures.</li><li>&#61623; Understanding of serverless AI deployments.</li></ul>Job Type: Full-timePay: Rs150,000.00 - Rs200,000.00 per monthAbility to commute/relocate:<ul><li>Karachi: Reliably commute or planning to relocate before starting work (Preferred)</li></ul>Education:<ul><li>Bachelor's (Preferred)</li></ul>Experience:<ul><li>Back End Development: 3 years (Preferred)</li></ul>Location:<ul><li>Karachi (Preferred)</li></ul>Work Location: In person

OBHost (Your Hosting Partner)

Company: OBHostLocation: Karachi (On-site / Hybrid)About the Role: OBHost is looking for a talented Backend Developer with strong expertise in PHP, HTML, JavaScript (with speed optimization), and modern frameworks. The ideal candidate should be passionate about coding, problem-solving, and delivering scalable solutions for international projects.Key Responsibilities:<ul><li>Develop and maintain backend applications, APIs, and dashboards.</li><li>Write clean, secure, and efficient code using PHP, HTML, and JavaScript.</li><li>Optimize websites and applications for speed and performance.</li><li>Work with databases (MySQL, etc.) and handle server-side logic.</li><li>Collaborate with front-end developers to integrate user-facing elements.</li><li>Troubleshoot, debug, and upgrade existing systems.</li></ul>Requirements:<ul><li>Proven experience as a Backend Developer.</li><li>Strong knowledge of PHP, HTML, JavaScript (Node.js/Vanilla), CSS.</li><li>Hands-on experience in speed optimization techniques.</li><li>Familiarity with frameworks like Laravel, CodeIgniter, or similar (plus point).</li><li>Good understanding of REST APIs and database design.</li><li>Ability to work independently and manage tasks effectively.</li></ul>Perks &amp; Benefits:<ul><li>Competitive salary package (based on experience).</li><li>Flexible working environment.</li><li>Opportunity to work on global-scale hosting and cloud projects.</li></ul>Interested candidates (Karachi based) can send their CVs at info@obhost.net or WhatsApp at +92 336 3539769.Job Type: Full-timePay: Rs30.00 - Rs50,000.00 per monthWork Location: In person

Back end Developer

Stormfiber

Responsibilities<ul><li>Develop medium to large scale web applications using PHP (MVC frameworks, such as Laravel, Yii2, CodeIgniter), HTML5, CSS3, Bootstrap and MySQL.</li><li>Work in distributed system environment and implement transaction management, queuing system and state tracking.</li><li>Ensure compliance with policies, procedures and controls of Information security.</li><li>Assist the team lead in designing the application and database architecture.</li></ul>Requirements<ul><li>Masters / Bachelors in Computer Science with minimum 3.0 CGPA.</li><li>Strong Object Oriented Programming concepts.</li><li>1-5 years of relevant experience in web application development in PHP using MVC framework.</li><li>Experience of working with relational databases.</li><li>Experience / understanding of version control system (GIT/GitLab).</li></ul>Interested applicants can email their resume to careers@cyber.net.pk with subject &ldquo;Software Engineer - Karachi&rdquo;Job Type: Full-timePay: Rs60,000.00 - Rs100,000.00 per monthApplication Question(s):<ul><li>What is Your Graduation Year?</li><li>What is Your CGPA?</li><li>What is Your Current Salary?</li><li>What is Your Expected Salary?</li></ul>Work Location: In person

Software Engineer (Backend /Laravel/PHP/JS)

Renexus Resources

Full-Stack Mobile EngineerAbout the OpportunityWe're looking for an experienced Full-Stack Mobile Engineer to join our team and drive the development of our next-generation mobile applications. In this role, you'll manage the entire mobile development lifecycle, from shaping the front-end user experience to architecting back-end integrations. This is a unique opportunity for a motivated developer who thrives on new challenges and wants to make a significant impact in a fast-paced, collaborative environment.What You'll Be Doing<ul><li>Architect, design, and build robust, user-centric mobile applications from concept to launch.</li><li>Write clean, efficient, and maintainable code, ensuring high performance and quality across all platforms.</li><li>Partner with cross-functional teams, including product and design, to translate complex business needs into elegant technical solutions.</li><li>Debug and resolve technical issues, optimizing application performance and responsiveness.</li><li>Stay ahead of the curve by researching and implementing emerging mobile technologies and industry best practices.</li></ul>Required Skills and Experience<ul><li>3+ years of hands-on experience in mobile application development.</li><li>Demonstrated expertise in both native (Swift, Kotlin) and cross-platform (React Native, Flutter) development.</li><li>Proficiency with mobile databases and back-end services, such as Firebase and SQLite.</li><li>A solid understanding of Agile/Scrum methodologies.</li><li>Exceptional analytical and problem-solving skills with a collaborative, can-do attitude.</li></ul>Education &amp; Compensation<ul><li>Bachelor's degree in Computer Science or a related technical field is preferred.</li><li>Salary is highly competitive and based on experience, with a top range of PKR 100,000.</li></ul>Job Type: Full-timePay: Rs50,000.00 - Rs100,000.00 per monthWork Location: In person

Mobile App developer.

Tech Minds Venture

Company DescriptionTech Minds Venture is a collective of like-minded, highly specialized individuals passionate about market research and technology innovation. Our diverse team of experienced professionals is dedicated to pushing boundaries and achieving symbiotic relationships with stakeholders, clients, alliances, employees, and the community. Based in Karachi Division, we focus on creating strategic solutions that extend beyond our immediate obligations to reach our ultimate goals.Role DescriptionTech Minds Venture is looking for a mid-level Laravel (Backend developer ) who works on exciting projects from concept to deployment!What You&rsquo;ll Do:-Build &amp; maintain backend services with Laravel-Design &amp; integrate REST APIs-Optimize MySQL databases &amp; queries-Write clean, tested, scalable codeRequirements:-1 to 2 Years of Experience-Laravel 6+ &amp; PHP 7.4+/8.x-Strong MySQL &amp; Eloquent ORM skills-REST API experience-Git &amp; Git Hub-Basic frontend (Blade, JS; Vue/React is a plus)Job Type: Full-timePay: Rs40,000.00 - Rs50,000.00 per monthApplication Question(s):<ul><li>Are you comfortable with night shift?</li></ul>Experience:<ul><li>working: 2 years (Preferred)</li></ul>Location:<ul><li>Karachi (Preferred)</li></ul>Work Location: On the road

Back-end developer

We are looking for a skilled Backend Developer with expertise in PHP, Node.js, and databases (SQL &amp; NoSQL), who also has exposure to AI/ML integration.You will build and maintain scalable backend services, integrate AI-driven solutions, and ensure secure, high-performance systems running on AWS and Azure. KeyResponsibilities&#61623; Develop, test, and maintain backend services and APIs using PHP and Node.js.&#61623; Design and optimize SQL (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) databases.&#61623; Integrate AI/ML models and APIs (TensorFlow, PyTorch, OpenAI, Hugging Face, etc.) into applications.&#61623; Work with cloud platforms (AWS &amp; Azure) for deployment, scaling, and monitoring.&#61623; Manage server configurations, performance tuning, and troubleshooting.&#61623; Collaborate with AI engineers, data scientists, and frontend teams to deliver intelligent solutions.&#61623; Implement CI/CD pipelines and version control using Git.&#61623; Ensure backend services follow security best practices and compliance standards. Requirements&#61623; Proven experience in backend development using PHP (Laravel, Symfony, or similar) and Node.js (Express, NestJS).&#61623; Strong knowledge of SQL databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Redis, Cassandra).&#61623; Hands-on experience with AI/ML model integration, AI APIs, or data pipelines.&#61623; Familiarity with cloud services: AWS (EC2, S3, Lambda, RDS) and Azure (App Services, Cosmos DB, Functions).&#61623; Solid understanding of server management (Linux, Nginx/Apache, scaling).&#61623; Experience with Git and collaborative workflows (GitHub/GitLab/Bitbucket).&#61623; Knowledge of RESTful APIs, GraphQL (nice to have), and microservices.&#61623; Strong debugging, problem-solving, and analytical skills. Good to Have&#61623; Exposure to MLOps tools (Docker, Kubernetes, MLflow, Kubeflow).&#61623; Familiarity with AI-powered search/recommendation systems.&#61623; Experience in data pipelines, streaming, or event-driven architecturesUnderstanding of serverless AI deployments.Job Type: Full-time

Back End Devloper

Explore 713+ Back end engineer in Karachi this September. Find roles across top companies and apply now to boost your career.

713 back end engineer jobs IN Karachi

Back End Developer

Back End Developer

Back end Developer

Software Engineer (Backend /Laravel/PHP/JS)

Mobile App developer.

Back-end developer

Back End Devloper