full stack developer

mern stack developer

senior full stack developer Jobs in Karachi

senior full stack developer

full stack mern developer Jobs in Karachi

full stack mern developer

lead software engineer

senior stack engineer

MeezoTech

Position Information:Job Title: Senior Full Stack EngineerDepartment: TechnologyReporting to: Head of TechnologyRole Overview:The Senior Full Stack Engineer is responsible for architecting, developing, and maintaining both server-side logic and user-facing components of complex web applications. This role requires deep expertise in designing scalable, high-performing, and secure systems across the stack, as well as mentoring team members and driving best practices. The Senior Full Stack Engineer collaborates closely with cross-functional teams, influences technical direction, and ensures the delivery of robust, maintainable, and innovative solutions that align with business objectives.Key Responsibilities:&#9679; Architect, design, and develop scalable and maintainable frontend and backend systems for web applications.&#9679; Lead the design and implementation of RESTful APIs and backend services, ensuring best practices in security, performance, and scalability.&#9679; Drive the adoption of modern frontend frameworks (such as React, Angular, Next.js, or Vue.js) and ensure the delivery of accessible, responsive, and high-quality user experiences.&#9679; Optimize application performance at both the code and infrastructure levels, proactively identifying and resolving bottlenecks.&#9679; Champion code quality by implementing and enforcing robust testing strategies (unit, integration, and end-to-end), TDD, and code review processes.&#9679; Mentor and support junior engineers, fostering a culture of continuous learning, technical excellence, and knowledge sharing.&#9679; Collaborate with product managers, designers, and other stakeholders to translate business requirements into technical solutions.&#9679; Ensure seamless data flow and integration between frontend and backend systems, including third-party services.&#9679; Implement and maintain security best practices, data protection, and compliance measures across the stack.&#9679; Troubleshoot and resolve complex technical issues, providing guidance and support to the engineering team.&#9679; Contribute to technical documentation, architectural decisions, and process improvements.Requirements &amp; Qualifications:&#9679; Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Engineering, or a related field.&#9679; Extensive experience as a Full Stack Engineer, with a proven track record of delivering complex, high-impact projects.&#9679; Advanced proficiency in programming languages such as Python, TypeScript, Go, or Java, as well as frontend technologies (HTML, CSS, JavaScript).&#9679; Deep expertise in backend frameworks (e.g., Django, Node.js, Fastify, Flask) and modern frontend frameworks (e.g., React, Angular, Next.js, Vue.js).&#9679; Strong experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB), including schema design and query optimization.&#9679; In-depth knowledge of RESTful API design, microservices architecture, and cloud platforms (AWS, Google Cloud).&#9679; Demonstrated experience optimizing web applications for performance, scalability, and reliability.&#9679; Strong understanding of browser rendering, performance tuning, and security best practices.&#9679; Proficiency with version control systems (Git) and CI/CD pipelines.&#9679; Experience with automated testing frameworks and tools, and a commitment to test-driven development.&#9679; Excellent debugging, troubleshooting, and analytical skills.&#9679; Experience mentoring engineers and leading technical initiatives is highly desirable.Competencies:&#9679; Time Management: Skilled at managing multiple priorities and delivering results in a fast-paced environment.&#9679; Communication: Exceptional ability to communicate complex technical concepts to both technical and non-technical stakeholders.&#9679; Problem Solving: Expert at diagnosing and resolving complex issues across the stack, with a focus on performance and scalability.&#9679; Collaboration: Proven track record of working effectively with cross-functional teams to achieve business goals.&#9679; Adaptability: Comfortable navigating ambiguity and adapting to evolving requirements and technologies.&#9679; Attention to Detail: Commitment to delivering high-quality, maintainable, and user-centric solutions.&#9679; Continuous Learning: Proactive in staying up-to-date with new technologies and industry best practices.Working Hours &amp; Schedule:<ul><li>Monday to Thursday: 11:00 AM &ndash; 8:00 PM (On-site)</li><li>Friday &amp; Saturday: Off</li><li>Sunday: Work from Home</li></ul>Job Type: Full-timePay: Rs130,000.00 - Rs200,000.00 per monthWork Location: In person

Senior Full stack developer

Pavago

About the Role
 We are looking for an experienced Senior Full-Stack Software Engineer (Product & Infrastructure) to join our dynamic and innovative team. This role requires a versatile engineer who thrives in a fast-paced environment, handling end-to-end software development—from system architecture to deployment and maintenance. The ideal candidate is proficient across the stack and capable of driving technical direction and infrastructure design independently.
 
Key Responsibilities
 
Full-Stack Software Development: 
<ul>
<li>Build, deploy, and maintain high-quality web applications using modern frameworks and technologies</li>
<li>Ensure scalable, maintainable, and secure code practices across front-end and back-end systems.</li>
</ul>
Infrastructure and System Architecture: 
<ul>
<li>Design and implement robust system architecture, ensuring scalability and reliability.</li>
<li>Manage cloud infrastructure, including deploying and maintaining applications and services.</li>
</ul>
Database and Data Management: 
<ul>
<li>Develop and optimize databases to ensure high performance and reliability.</li>
<li>Implement data management strategies using modern database technologies and tools.</li>
</ul>
Integration and API Development: 
<ul>
<li>Develop and maintain API integrations with third-party services and internal tools.</li>
<li>Collaborate with various teams to integrate and enhance application functionality.</li>
</ul>
Technical Leadership: 
<ul>
<li>Mentor junior engineers, guiding best practices and technical standards.</li>
<li>Collaborate closely with cross-functional teams including product management, design, and QA to deliver high-quality products.</li>
</ul>
Technology Stack
 <ul>
<li>Languages & Frameworks: JavaScript, TypeScript, React, Next.js, Node.js.</li>
<li>Databases & ORMs: SQL, NoSQL, ORM frameworks, Supabase.</li>
<li>Cloud & Infrastructure: AWS, Azure, GCP, Docker, Kubernetes, Digital Ocean.</li>
<li>Integration & APIs: RESTful APIs, authentication services, payment gateways, email service providers.</li>
<li>Tools & Practices: Git, CI/CD pipelines, automated testing, agile methodologies.</li>
</ul>
Qualifications & Experience
 <ul>
<li>Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience).</li>
<li>4+ years of experience as a full-stack software engineer, with proven experience in system architecture and infrastructure management.</li>
<li>Extensive experience with modern JavaScript frameworks (React, Next.js, Node.js).</li>
<li>Strong expertise in database design, management, and optimization.</li>
<li>Proven track record of independently taking software projects from conception to deployment.</li>
<li>Proven experience with cloud infrastructure services and DevOps practices.</li>
</ul>
Preferred Skills
 <ul>
<li>Master's degree in Computer Science, Software Engineer, or related field.</li>
<li>Experience integrating AI and machine learning solutions into software products.</li>
<li>Knowledge of UI/UX principles for effective collaboration with product designers.</li>
<li>Experience working in agile environments with cross-functional teams.</li>
</ul>
Soft Skills
 <ul>
<li>Excellent communication and problem-solving skills.</li>
<li>Strong organizational and leadership abilities.</li>
<li>Capable of managing multiple priorities effectively.</li>
<li>Proactive, resourceful, and able to quickly adapt to new technologies.</li>
</ul>
Why Join Us?
 <ul>
<li>Opportunity to work on innovative products and cutting-edge technologies.</li>
<li>Collaborative, growth-oriented work environment.</li>
<li>Autonomy in technical decision-making and career development opportunities.</li>
</ul>

Senior Full Stack Software Engineer (Product & Infrastructure)

THB Homecare LLC

Location: RemoteAbout the RoleWe are building a next-generation Digital AI Agent, as the patient-facing layer with our healthcare platform as backbone.We need an experienced Full-Stack Integration Engineer to create the middleware and integration work that connects our AI Agent to our healthcare platform patient data, appointments, wearables, and telehealth.This is a remote role, collaborating with our internal team, AI vendor and health care platform specialists.Key Responsibilities<ul><li>Design and implement a secure middleware layer between AI Agent and Health care Platform.</li><li>Handle OAuth2 (User Credentials flow) for authentication, secure token lifecycle, and session management.</li><li>Integrate AI Agent flows with healthcare use cases:</li><li>Fetch/display labs, vitals, medications.</li><li>Book/update/cancel appointments.</li><li>Launch telehealth sessions.</li><li>Insights on Wearable data.</li><li>Ensure compliance with HIPAA/GDPR and healthcare data standards.</li><li>Build lightweight dashboards/logging for auditing and monitoring.</li><li>Collaborate with conversation designers and clinical leads to implement patient journeys.</li><li>Work in agile sprints, provide clear documentation, and handover to internal team post-integration.</li></ul>Requirements<ul><li>5+ years of experience as a Full-Stack or Backend Engineer.</li><li>Strong proficiency in Node.js/TypeScript or Python (for APIs and middleware).</li><li>Hands-on experience with OAuth2, REST APIs, JSON, JWT tokens.</li><li>Familiarity with healthcare integrations (EHR, telehealth, wearables) a plus.</li><li>Experience deploying on AWS / GCP / Azure with security best practices.</li><li>Strong understanding of encryption, secure logging, and compliance.</li><li>Excellent communication &mdash; able to work remotely with cross-functional teams.</li></ul>Nice-to-Have<ul><li>Knowledge of WebRTC / video APIs (ex. Zoom SDK, Twilio, Doxy.me or similar).</li><li>Experience with LLM-powered conversational interfaces.</li><li>Familiarity with English and multilingual apps a plus.</li></ul>Engagement Model<ul><li>Remote collaboration with Your Team (Project Manager, Clinical Lead, Compliance Officer).</li><li>Coordination with AI Agent vendor support and Healthcare Platform API team.</li><li>Flexible contract: 3&ndash;6 months initial engagement with possible extension.</li></ul>Job Types: Full-time, Part-time

Senior Full-Stack Integration Engineer (Healthcare AI Agent)

SHAH QALIFIED LTD

We&rsquo;re Hiring: Full-Stack Software Engineer (Next.js / Node.js / IoT + AI)Join us at LIMI AI and help build high-performance web applications, interactive dashboards, and real-time systems that power our IoT + AI platform. Work across the stack from crafting polished, animated UIs to designing robust backend services and deliver seamless user experiences.Location: Karachi (Onsite) Type: Full-TimeWhat You&rsquo;ll Do<ul><li>Build interactive dashboards and high-performance web apps with Next.js.</li><li>Develop and maintain scalable backend services with Node.js / Express.js, REST APIs, and WebSockets.</li><li>Integrate and manage MongoDB, PostgreSQL, and MySQL databases</li><li>Create engaging animations and micro-interactions using GSAP &amp; Framer Motion.</li><li>Work on real-time messaging &amp; streaming with WebSockets, Socket.io, and MQTT.</li><li>Deploy and manage applications using Docker, GitHub Actions (CI/CD), Nginx, PM2.</li><li>Collaborate with designers and engineers to deliver polished UI/UX and seamless end-to-end solutions.</li></ul>What We&rsquo;re Looking For<ul><li>5+ years of hands-on experience with Next.js, Node.js, and Express.js.</li><li>Strong proficiency in REST API development &amp; integration (GraphQL nice to have)</li><li>Expertise in MongoDB / PostgreSQL / MySQL and caching with Redis</li><li>Familiarity with real-time systems (WebSockets, Socket.io, MQTT)</li><li>Proficiency in JavaScript (ES6+) / TypeScript, HTML5, CSS3, Tailwind CSS / SCSS, Bootstrap, Material UI, ShadCN</li><li>Experience with state management libraries (Redux, Zustand, Recoil, Context API)</li><li>Knowledge of IoT protocols like MQTT, EMQX, and platforms like ThingsBoard is a plus</li><li>Understanding of performance optimization (lazy loading, code splitting, caching)</li><li>Familiarity with Git workflows and CI/CD pipelines (Vercel, Netlify, AWS)</li><li>Strong problem-solving, teamwork, and a creative eye for detail</li></ul>If you&rsquo;re passionate about creating smooth, data-driven user experiences and scalable backend systems, we&rsquo;d love to hear from you!Job Type: Full-timePay: Rs100,000.00 - Rs250,000.00 per monthWork Location: In person

Senior Full Stack Software Engineer

Job description:Job Title: Senior Full Stack EngineerDepartment: TechnologyReporting to: Head of TechnologyRole Overview:The Senior Full Stack Engineer is responsible for architecting, developing, and maintaining both server-side logic and user-facing components of complex web applications. This role requires deep expertise in designing scalable, high-performing, and secure systems across the stack, as well as mentoring team members and driving best practices. The Senior Full Stack Engineer collaborates closely with cross-functional teams, influences technical direction, and ensures the delivery of robust, maintainable, and innovative solutions that align with business objectives.Key Responsibilities:&#9679; Architect, design, and develop scalable and maintainable frontend and backend systems for web applications.&#9679; Lead the design and implementation of RESTful APIs and backend services, ensuring best practices in security, performance, and scalability.&#9679; Drive the adoption of modern frontend frameworks (such as React, Angular, Next.js, or Vue.js) and ensure the delivery of accessible, responsive, and high-quality user experiences.&#9679; Optimize application performance at both the code and infrastructure levels, proactively identifying and resolving bottlenecks.&#9679; Champion code quality by implementing and enforcing robust testing strategies (unit, integration, and end-to-end), TDD, and code review processes.&#9679; Mentor and support junior engineers, fostering a culture of continuous learning, technical excellence, and knowledge sharing.&#9679; Collaborate with product managers, designers, and other stakeholders to translate business requirements into technical solutions.&#9679; Ensure seamless data flow and integration between frontend and backend systems, including third-party services.&#9679; Implement and maintain security best practices, data protection, and compliance measures across the stack.&#9679; Troubleshoot and resolve complex technical issues, providing guidance and support to the engineering team.&#9679; Contribute to technical documentation, architectural decisions, and process improvements.Requirements &amp; Qualifications:&#9679; Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Engineering, or a related field.&#9679; Extensive experience as a Full Stack Engineer, with a proven track record of delivering complex, high-impact projects.&#9679; Advanced proficiency in programming languages such as Python, TypeScript, Go, or Java, as well as frontend technologies (HTML, CSS, JavaScript).&#9679; Deep expertise in backend frameworks (e.g., Django, Node.js, Fastify, Flask) and modern frontend frameworks (e.g., React, Angular, Next.js, Vue.js).&#9679; Strong experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB), including schema design and query optimization.&#9679; In-depth knowledge of RESTful API design, microservices architecture, and cloud platforms (AWS, Google Cloud).&#9679; Demonstrated experience optimizing web applications for performance, scalability, and reliability.&#9679; Strong understanding of browser rendering, performance tuning, and security best practices.&#9679; Proficiency with version control systems (Git) and CI/CD pipelines.&#9679; Experience with automated testing frameworks and tools, and a commitment to test-driven development.&#9679; Excellent debugging, troubleshooting, and analytical skills.&#9679; Experience mentoring engineers and leading technical initiatives is highly desirable.Competencies:&#9679; Time Management: Skilled at managing multiple priorities and delivering results in a fast-paced environment.&#9679; Communication: Exceptional ability to communicate complex technical concepts to both technical and non-technical stakeholders.&#9679; Problem Solving: Expert at diagnosing and resolving complex issues across the stack, with a focus on performance and scalability.&#9679; Collaboration: Proven track record of working effectively with cross-functional teams to achieve business goals.&#9679; Adaptability: Comfortable navigating ambiguity and adapting to evolving requirements and technologies.&#9679; Attention to Detail: Commitment to delivering high-quality, maintainable, and user-centric solutions.&#9679; Continuous Learning: Proactive in staying up-to-date with new technologies and industry best practices.Working Hours &amp; Schedule:<ul><li>Monday to Thursday: 11:00 AM &ndash; 8:00 PM (On-site)</li><li>Friday &amp; Saturday: Off</li><li>Sunday: Work from Home</li></ul>Job Type: Full-timeWork Location: In personJob Type: Full-timePay: Rs150,000.00 - Rs250,000.00 per monthWork Location: In person

Sr. Fullstack Developer (Python/Django)

Arc Inventor

Arc Inventador is a fast-growing technology company focused on building scalable and innovative SaaS (Software as a Service) solutions for global clients. We specialize in software development, cloud-based product engineering, and end-to-end digital transformation. Our team is passionate about delivering high-performance platforms that solve real-world business challenges across multiple industries.As a Full Stack Developer, you will play a vital role in the end-to-end development and delivery of robust, scalable software solutions. This role requires both backend and frontend development expertise, strong analytical skills, and the ability to work collaboratively within Agile, cross-functional teams. You will be responsible for designing and implementing application components across the entire technology stack from interactive user interfaces to high-performance APIs and optimized databases. Working closely with software engineers, you will help drive technical innovation, contribute to continuous improvement, and ensure that solutions meet both functional and non-functional requirements such as performance, security, and maintainability. Your contributions will directly impact the quality, reliability, and user experience of our platforms.Key Responsibilities<ul><li>Build and maintain REST APIs and UI components using Node.js, PHP/Laravel, and React.js (or similar).</li><li>Design, implement, and optimize MySQL and Elasticsearch databases (schema, queries, indexes, migrations).</li><li>Collaborate with software engineers, QA, and product teams to deliver features in Agile sprints.</li><li>Implement caching (Redis/Memcached), troubleshoot, and optimize platform performance.</li><li>Write unit/integration tests, maintain technical documentation, and participate in code reviews.</li><li>Enforce secure coding practices, access control, and platform data protection.</li><li>Contribute to knowledge sharing and continuous team improvement.</li></ul>Required Skills &amp; Experience<ul><li>2&ndash;3 years of hands-on full stack development (Node.js, PHP/Laravel, React.js or similar).</li><li>Strong database expertise (MySQL and Elasticsearch), including schema design and optimization.</li><li>Experience with REST API development, integrations, and cloud deployment (Linux/Kubernetes preferred).</li><li>Experience working in Agile teams and collaborating cross-functionally.</li><li>Familiarity with version control (Git), CI/CD, and automated testing</li></ul>Benefits<ul><li>Market-Competitive Salary</li><li>Annual Bonus (Performance-Based)</li><li>Annual Performance Appraisal</li><li>In-House Gym Facility</li><li>Paid Leave Entitlement</li><li>Annual Company Dinner &amp; Picnic</li><li>Fuel Allowance (Role-Based)</li><li>Supportive &amp; Growth-Oriented Work Culture</li></ul>Working Hours: 4:00 PM to 12:00 AM (PKT)Job Type: Full-timeJob Type: Full-timeWork Location: In person

Senior Full Stack Developer

Inoviotech

Job Title: Senior AI EngineerLocation: Karachi / Onsite Timings Evening / MorningJob Description:We are seeking an experienced Senior AI Engineer to design, develop, and deploy advanced Artificial Intelligence and Machine Learning solutions. The ideal candidate will have deep technical expertise, strong problem-solving skills, and a passion for building scalable AI systems that deliver measurable business impact.Key Responsibilities<ul><li>Design, build, and optimize AI/ML models for a variety of use cases (NLP, computer vision, recommendation systems, predictive analytics, etc.).</li><li>Lead end-to-end solution development: data collection, preprocessing, model design, training, evaluation, and deployment.</li><li>Collaborate with cross-functional teams (Data Engineering, Product, DevOps) to integrate models into production systems.</li><li>Research and experiment with emerging AI technologies, frameworks, and tools.</li><li>Review code, provide mentorship, and promote best practices within the AI/ML team.</li><li>Monitor model performance, retraining as needed, and ensure scalability and reliability.</li><li>Prepare technical documentation and present findings to stakeholders.</li></ul>Requirements<ul><li>Bachelor&rsquo;s or Master&rsquo;s in Computer Science, Artificial Intelligence, Machine Learning, Data Science, or related field (Ph.D. preferred).</li><li>5+ years of experience in AI/ML development, with at least 2 years in a senior/lead role.</li><li>Proficiency in Python and frameworks such as TensorFlow, PyTorch, Scikit-learn, or similar.</li><li>Strong understanding of algorithms, data structures, and statistics.</li><li>Experience with data pipelines, cloud platforms (AWS/GCP/Azure), and MLOps tools.</li><li>Excellent problem-solving, analytical, and communication skills.</li><li>Ability to work independently and guide junior engineers.</li></ul>Nice-to-Have<ul><li>Experience with LLMs, generative AI, or reinforcement learning.</li><li>Knowledge of big data tools (Spark, Hadoop) or streaming systems (Kafka).</li><li>Contributions to open-source AI/ML projects.</li></ul>Benefits (optional)<ul><li>Competitive salary</li><li>Health insurance</li><li>Professional development opportunities</li></ul>Job Type: Full-timeApplication Question(s):<ul><li>How many years of experience do you have in designing and deploying AI/ML solutions?</li><li>Which AI/ML frameworks are you most proficient in (e.g., TensorFlow, PyTorch, Scikit-learn)?</li><li>Rate your proficiency (1&ndash;5) in:</li></ul>PythonCloud platforms (AWS / GCP / Azure)MLOps / CI-CD for ML<ul><li>Describe one complex AI problem you solved and the impact of your solution. (Short answer)</li><li>What is your current notice period?</li><li>Current Salary?</li><li>Expected Salary?</li></ul>Work Location: In person

Senior AI Engineer

Explore 470+ Senior stack engineer in Karachi this October. Find roles across top companies and apply now to boost your career.