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ai & agentic systems engineer (full-stack) Jobs in Karachi

full stack developer node js react graphql

MarketCube.io

Full Stack Developer (Node.js / React / GraphQL)Location: Karachi, Pakistan (On-site)About the Role:Market Cube is looking for an experienced Full Stack Developer to join our growing engineering team in Karachi. This is a hands-on role where you'll design, build and maintain scalable applications across multiple products, working with modern technologies including Node.js, React, GraphQL and Shopify.You'll work closely with the product and engineering teams to deliver high-quality software, solve complex technical challenges, and help mentor other developers.Key Responsibilities<ul><li>Design, develop and maintain scalable backend services using Node.js.</li><li>Build modern, responsive web applications using React.</li><li>Develop and maintain REST and GraphQL APIs.</li><li>Build and support Shopify integrations using the GraphQL Admin API, Webhooks, App Bridge and Polaris.</li><li>Develop business-critical functionality, including commission calculations, order splitting and payout logic, ensuring accuracy and reliability.</li><li>Contribute to multiple products across the Market Cube portfolio as business priorities evolve.</li><li>Troubleshoot production issues, resolve bugs, optimise application performance and investigate data-related problems.</li><li>Participate in code reviews and promote engineering best practices.</li><li>Mentor and support mid-level software engineers.</li></ul>Essential Requirements<ul><li>Minimum 5 years' professional software development experience.</li><li>Strong commercial experience with Node.js and JavaScript/TypeScript.</li><li>Strong experience building applications with React.</li><li>Experience designing and optimising PostgreSQL or MySQL databases, including schema design, indexing and query optimisation.</li><li>Experience developing REST APIs, GraphQL APIs, webhooks and asynchronous processing/queues.</li><li>Experience working across multiple applications, codebases or products.</li><li>Ability to translate business requirements into technical solutions with minimal supervision.</li><li>Strong analytical, problem-solving and debugging skills.</li><li>Excellent communication skills and the ability to collaborate within a cross-functional team.</li></ul>Desirable Skills<ul><li>Shopify app development experience.</li><li>E-commerce or multi-tenant SaaS experience.</li><li>Experience with AWS.</li><li>Docker and containerised application development.</li><li>CI/CD pipelines and automated deployment practices.</li></ul>What We Offer<ul><li>Opportunity to work on multiple innovative products using modern technologies.</li><li>A collaborative, supportive and highly skilled engineering team.</li><li>Exposure to challenging technical projects and real business impact.</li><li>Career progression and professional development opportunities.</li></ul>LocationThis is a full-time, on-site position based in Karachi, Pakistan.How to ApplyPlease send the following to Ali.haider@marketcube.io:<ul><li>Your CV.</li><li>Your GitHub profile (or a portfolio of relevant work).</li></ul>Applications submitted without a GitHub profile or relevant portfolio may not be considered.Job Type: Full-timeExperience:<ul><li>React, Node Js, Full Stack Development: 4 years (Required)</li></ul>Work Location: In person

Full Stack Developer (Node.js / React / GraphQL)

Human Capital HR Solutions

Job SummaryHuman Capital HR Solutions is hiring on behalf of its client for the position of Head of Development (Apps &amp; Web).We are seeking an experienced Full-Stack Development professional to lead and execute end-to-end web and mobile application projects across multiple client accounts. This is a hands-on role where you will independently manage architecture, development, deployment, and maintenance while collaborating with cross-functional teams.Key ResponsibilitiesOwn end-to-end development of client websites, web applications, and mobile apps.Design, build, test, deploy, and maintain scalable web and mobile solutions.Gather technical requirements, estimate timelines, and deliver projects independently.Manage hosting, deployments, third-party integrations, and ongoing maintenance.Perform quality assurance, troubleshooting, and technical support before project delivery.Identify future development hiring needs as project volume grows.Requirements10&ndash;15 years of experience in full-stack web and mobile application development.Experience delivering projects for international, especially US-based, clients.Strong proficiency in modern full-stack technologies such as React/Next.js, Node.js, or equivalent frameworks.Experience with React Native, Flutter, or native iOS/Android development.Hands-on experience integrating third-party APIs, payment gateways, CRMs, and marketing platforms.Ability to independently manage projects from architecture through deployment.Excellent English communication skills.Comfortable working during core US business hours.PreferredExperience with AWS, GCP, Vercel, or other cloud/DevOps platforms.Shopify or headless eCommerce development experience.Experience with AI and automation integrations.How to ApplySend your CV to careers1.hc@gmail.com CC: careers@humancapitalintl.comWork Location: In person

Head of Development (Apps & Web)

Datamatics Global Services Ltd

<div><h1 class="jobSectionHeader">Frontend Developer (0&ndash;8 Years Experience)</h1><h2 class="jobSectionHeader">
Job Title: Frontend Developer</h2><h2 class="jobSectionHeader">
Experience: 0&ndash;8 Years</h2><h2 class="jobSectionHeader">
Location:</h2><h2 class="jobSectionHeader">
Job Summary</h2>
We are seeking a passionate and skilled Frontend Developer to build modern, responsive, and high-performance web applications. The ideal candidate should have experience developing user interfaces using modern JavaScript frameworks, collaborating with cross-functional teams, and delivering scalable frontend solutions.<h2 class="jobSectionHeader">
Key Responsibilities</h2><ul><li>
Design, develop, and maintain responsive web applications.</li><li>
Build reusable UI components and optimize applications for maximum performance.</li><li>
Collaborate with UX/UI designers, backend developers, and product teams.</li><li>
Integrate frontend applications with RESTful APIs and backend services.</li><li>
Write clean, maintainable, and well-tested code following industry best practices.</li><li>
Troubleshoot, debug, and improve application performance.</li><li>
Participate in code reviews and contribute to continuous improvement initiatives.</li></ul><h2 class="jobSectionHeader">
Must Have Skills</h2><ul><li>
JavaScript (ES6+) AND TypeScript</li><li>
React.js OR Next.js OR Vue.js OR Angular OR Svelte OR Nuxt.js</li><li>
Webpack OR Vite OR Rollup OR Parcel OR esbuild OR Turbopack</li><li>
HTML5 AND CSS3 AND Responsive Web Design</li><li>
REST APIs AND JSON AND API Integration</li><li>
Git AND GitHub OR GitLab OR Bitbucket</li><li>
npm OR Yarn OR pnpm</li><li>
Understanding of frontend architecture, reusable components, and responsive design principles.</li><li>
Strong debugging, problem-solving, and communication skills.</li></ul><h2 class="jobSectionHeader">
Good to Have Skills</h2><ul><li>
Redux OR Context API OR Zustand OR Pinia OR Vuex</li><li>
Jest OR Vitest OR React Testing Library OR Cypress</li><li>
CI/CD tools such as GitHub Actions OR GitLab CI OR Jenkins</li><li>
Cloud platforms such as AWS OR Azure OR Google Cloud Platform (GCP)</li><li>
CSS frameworks such as Tailwind CSS OR Bootstrap OR Material UI (MUI) OR Chakra UI</li><li>
Build optimization and performance tuning techniques.</li><li>
Knowledge of accessibility standards (WCAG) and SEO best practices.</li><li>
Experience working in Agile/Scrum environments.</li></ul><h2 class="jobSectionHeader">
Preferred Qualifications</h2><ul><li>
Bachelor's degree in Computer Science, Software Engineering, or a related field.</li><li>
0&ndash;8 years of frontend development experience.</li><li>
Ability to work independently as well as collaboratively in a team environment.</li><li>
Passion for learning new frontend technologies and best practices.</li></ul>
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Frontend Developer

Qualix Solutions

Location: PECHS, Karachi, Pakistan (Onsite) - Afternoon shiftEmployment Type: Full-timeExperience: 2-5 years of professional software development, including at least 1 year building AI or LLM-powered featuresAbout the RoleQualix Solutions builds AI-powered products, and we're looking for a mid-level engineer who is strong on the backend, hands-on with agentic AI development, and has a genuine eye for good UI. You'll work on features end to end: designing APIs and data models, orchestrating LLM-driven agentic workflows, and shipping interfaces that feel clean and intuitive. Our backend work spans both Python and Node.js/NestJS, so strength in either is a great fit.This is a role for someone who thrives in ambiguity. Requirements won't always arrive fully formed. We expect you to ask the right questions, propose a direction, and turn vague problems into clear, working software.What You'll Do<ul><li>Design and build backend services and REST APIs in Python (FastAPI, Django, or Flask), or Node.js (NestJS)</li><li>Build agentic AI features: tool calling, multi-step workflows, LLM orchestration, and integrations with model APIs (Claude, OpenAI, etc.)</li><li>Implement authentication and authorization (JWT / OAuth), input validation, and error handling</li><li>Design database schemas and write efficient queries (PostgreSQL and/or MongoDB), including indexing and performance tuning</li><li>Build and refine frontend features in React with attention to layout, spacing, and usability</li><li>Take loosely defined problems, clarify scope with stakeholders, and deliver well-scoped solutions</li><li>Debug issues across the stack and participate in code reviews</li><li>Collaborate with designers, engineers, and product stakeholders</li></ul>What We're Looking ForBackend (Strong):<ul><li>Strong proficiency in either Python (FastAPI, Django, or Flask) or Node.js/TypeScript (NestJS): REST APIs, modules/services, typing, validation, and error handling. You only need one; comfort in both is a plus</li><li>Deep understanding of backend fundamentals: API design, authentication, caching, background jobs, error handling, and logging</li><li>Databases: schema design, indexing, and query optimization in PostgreSQL or MongoDB</li><li>API security: input validation, basic XSS / CSRF awareness</li></ul>Agentic AI:<ul><li>Hands-on experience building agentic systems: tool use / function calling, multi-step agent workflows, and prompt design</li><li>Experience integrating LLM APIs (Anthropic, OpenAI, or similar) into production features</li><li>Familiarity with frameworks such as LangChain, LangGraph, or the Claude Agent SDK, or equivalent custom orchestration</li></ul>Frontend and UI:<ul><li>React: hooks, functional components, state management (Redux or Zustand)</li><li>Tailwind CSS or equivalent, responsive layouts (Flexbox, CSS Grid)</li><li>A strong sense of good UI design: you notice bad spacing, confusing flows, and inconsistent components, and you fix them</li></ul>Ways of Working:<ul><li>Comfortable working with ambiguity and driving toward clarity</li><li>Excellent verbal and written English communication</li><li>Problem-solving mindset and attention to detail</li></ul>Nice to Have<ul><li>Next.js (SSR, SSG, API routes)</li><li>Vector databases and RAG pipelines (e.g., pgvector, Pinecone, Weaviate)</li><li>Docker basics and cloud exposure (AWS / Azure / GCP)</li><li>CI/CD awareness</li><li>Bachelor's degree in Computer Science or a related field</li></ul>Job Type: Full-timeApplication Question(s):<ul><li>Why do you want to switch?</li><li>What is your current salary?</li><li>What is your expected salary?</li><li>Is your expected salary negotiable?</li><li>What is your notice period?</li><li>Rate your English speaking skills from 1 (Novice) to 10 (Expert)?</li></ul>Experience:<ul><li>Development: 2 years (Preferred)</li></ul>Work Location: In person

Full Stack Software Engineer - Strong backend

JBS Global - Jaffer Business Systems

<div>
 Role Overview
 
 
 We are looking for a creative and technically skilled
 
 Frontend Developer &amp; UI/UX Designer
 
 to own the company's web experience end-to-end. This hybrid role combines UI/UX design with frontend development, enabling you to design intuitive digital experiences and bring them to life using
 
 Next.js
 
 .You will be responsible for designing and developing new website pages, landing pages, and campaign microsites while continuously improving the overall user experience, website performance, and technical SEO. You'll also manage backend integrations with CRM platforms, analytics tools, and marketing technologies to ensure a fast, scalable, and conversion-focused digital experience.
 
 
 This role is ideal for someone who enjoys both designing exceptional interfaces and building them with clean, high-quality code.
 
 
 Location
 
 
 Karachi, Pakistan
 
 
 Business Unit / Department
 
 
 Marketing
 
 
 Work Mode
 
 
 Hybrid
 
 
 Employment Type
 
 
 Full-time
 
 
 Key Responsibilities
 
 
 UI/UX Design &amp; Frontend Development
 
 
 <ul>
 <li>
 Design and develop modern, responsive website pages, landing pages, and campaign microsites using Next.js and React.
 </li>
 <li>
 Create wireframes, mockups, interactive prototypes, and design systems in Figma.
 </li>
 <li>
 Own the website's user experience by identifying usability improvements and implementing design enhancements.
 </li>
 <li>
 Build responsive, mobile-first interfaces that function seamlessly across browsers and devices.
 </li>
 <li>
 Ensure pixel-perfect implementation aligned with brand guidelines and conversion goals.
 
 
 
 </li>
 </ul>
 Website Performance &amp; Optimization
 
 
 <ul>
 <li>
 Improve website speed and Core Web Vitals through image optimization, code splitting, lazy loading, and clean development practices.
 </li>
 <li>
 Maintain website responsiveness, accessibility, and cross-browser compatibility.
 </li>
 <li>
 Troubleshoot and resolve frontend bugs, layout inconsistencies, and UI issues.
 </li>
 <li>
 Perform routine website updates, including banners, navigation, CTAs, content sections, and visual assets.
 
 
 
 </li>
 </ul>
 Backend &amp; Integrations
 
 
 <ul>
 <li>
 Develop and maintain backend functionality within the Next.js ecosystem.
 </li>
 <li>
 Build API integrations, dynamic routing, server-side rendering (SSR), and Incremental Static Regeneration (ISR).
 </li>
 <li>
 Manage CRM integrations with platforms such as GoHighLevel, HubSpot, or similar systems.
 </li>
 <li>
 Develop lead capture forms and ensure accurate data flow into CRM platforms.
 </li>
 <li>
 Implement and maintain integrations with:
 </li>
 <ul>
 <li>
 Google Analytics 4
 </li>
 <li>
 Google Tag Manager
 </li>
 <li>
 Meta Pixel
 </li>
 <li>
 LinkedIn Insight Tag
 </li>
 <li>
 Marketing campaign tracking tools
 
 
 
 </li>
 </ul>
 </ul>
 Technical SEO
 
 
 <ul>
 <li>
 Conduct technical SEO audits and implement improvements.
 </li>
 <li>
 Resolve crawlability, indexation, duplicate content, broken links, redirect chains, canonical tag, and sitemap issues.
 </li>
 <li>
 Implement and maintain structured schema markup, XML sitemaps, and robots.txt.
 </li>
 <li>
 Monitor keyword rankings and identify opportunities to improve organic search performance.
 </li>
 <li>
 Collaborate with the marketing team to optimize pages for SEO and conversion.
 
 
 
 </li>
 </ul>
 Collaboration &amp; Development Practices
 
 
 <ul>
 <li>
 Partner with marketing stakeholders to transform campaign briefs into engaging digital experiences.
 </li>
 <li>
 Maintain clean, scalable, and reusable code following best development practices.
 </li>
 <li>
 Use Git-based version control and structured deployment workflows.
 </li>
 <li>
 Deploy applications through platforms such as Vercel or Netlify.
 
 
 
 </li>
 </ul>
 
 Skills
 
 
 
 Frontend Development
 
 
 <ul>
 <li>
 Next.js
 </li>
 <li>
 React.js
 </li>
 <li>
 TypeScript
 </li>
 <li>
 JavaScript (ES6+)
 </li>
 <li>
 HTML5
 </li>
 <li>
 CSS3
 </li>
 <li>
 Tailwind CSS
 
 
 
 </li>
 </ul>
 UI/UX Design
 
 
 <ul>
 <li>
 Figma
 </li>
 <li>
 Wireframing
 </li>
 <li>
 Prototyping
 </li>
 <li>
 Design Systems
 </li>
 <li>
 User Experience Design
 </li>
 <li>
 User Interface Design
 
 
 
 </li>
 </ul>
 Performance &amp; SEO
 
 
 <ul>
 <li>
 Core Web Vitals
 </li>
 <li>
 Technical SEO
 </li>
 <li>
 Accessibility (WCAG)
 </li>
 <li>
 Responsive Design
 </li>
 <li>
 Performance Optimization
 
 
 
 </li>
 </ul>
 Analytics &amp; Integrations
 
 
 <ul>
 <li>
 Google Analytics 4
 </li>
 <li>
 Google Tag Manager
 </li>
 <li>
 Meta Pixel
 </li>
 <li>
 LinkedIn Insight Tag
 </li>
 <li>
 CRM Integrations
 </li>
 <li>
 API Development
 </li>
 <li>
 Webhooks
 
 
 
 </li>
 </ul>
 Tools
 
 
 <ul>
 <li>
 Git
 </li>
 <li>
 GitHub / GitLab
 </li>
 <li>
 Vercel
 </li>
 <li>
 Netlify
 
 
 
 </li>
 </ul>
 
 Qualifications
 
 
 
 <ul>
 <li>
 Bachelor's degree in Computer Science, Software Engineering, Interactive Media, Design, or a related field.
 </li>
 <li>
 Minimum 3 years of professional experience in frontend development.
 </li>
 <li>
 Demonstrated experience developing production websites using Next.js and React.
 </li>
 <li>
 Strong portfolio showcasing both frontend development and UI/UX design work.
 </li>
 <li>
 Advanced proficiency in Figma, including wireframing, prototyping, and design systems.
 </li>
 <li>
 Strong understanding of responsive design, accessibility, and cross-browser compatibility.
 </li>
 <li>
 Experience optimizing websites for performance and Core Web Vitals.
 </li>
 <li>
 Hands-on experience with API integrations, SSR, ISR, and backend functionality within Next.js.
 </li>
 <li>
 Working knowledge of Google Analytics 4, Google Tag Manager, CRM platforms, and marketing integrations.
 </li>
 <li>
 Experience with Git-based development workflows and modern deployment platforms.
 </li>
 <li>
 Excellent attention to detail with the ability to deliver pixel-perfect user interfaces.
 </li>
 <li>
 Strong communication, problem-solving, and time management skills.
 </li>
 <li>
 Ability to work independently while collaborating effectively with cross-functional teams
 
 
 
 </li>
 </ul>
 
 Application Instructions:
 
 Please include a cover letter with your application outlining your experience with
 
 Next.js
 
 and briefly describing your UI/UX design process, from research and wireframing through to development and optimization. Additionally, share a link to your portfolio or examples of websites you have both designed and developed. Live websites are strongly preferred over static mockups, as they best demonstrate your end-to-end capabilities.
</div>

Frontend Developer & UI/UX Designer

Intrawide (Pvt) Ltd.

Company Name: Intrawide Pvt Ltd Employment Type: Full Time, Onsite Location: Gulshan-e-Iqbal, Block 13BJob Description:We are looking for a skilled WordPress Developer to join our team. The ideal candidate should have hands-on experience in developing, customizing, and maintaining WordPress websites. You should be able to build responsive, user-friendly websites and work closely with the team to deliver high-quality projects.Responsibilities:1-) Develop and maintain WordPress websites.2-) Customize themes and plugins according to project requirements.3-) Build responsive and mobile-friendly websites.4-) Troubleshoot website issues and fix bugs.5-) Optimize website performance, speed, and security.6-) Integrate third-party plugins and APIs when required.7-) Collaborate with designers and other team members to complete projects on time.Requirements:1-) Minimum 1 year of experience in WordPress development.2-) Strong knowledge of WordPress, Elementor, WooCommerce, HTML, CSS, JavaScript, and PHP.3-) Experience with theme and plugin customization.4-) Basic understanding of SEO and website optimization.5-) Ability to troubleshoot and resolve technical issues.6-) Good communication and problem-solving skills.Salary &amp; Benefits:1-) Salary will be based on experience and skills.2-) Performance-based incentives.3-) Career growth opportunities.4-) Friendly and professional work environment.How To Apply: Send your resume to: hr@intrawide.com or +92 335 1184026If you're passionate about WordPress development and enjoy building high-quality websites, we'd love to hear from you.Experience:<ul><li>WordPress Developer: 1 year (Preferred)</li></ul>Work Location: In person

WordPress Developer

LN Technologies

Job type: Full-TimeExperience: 3&ndash;5 YearsLocation: On-siteJob SummaryWe are seeking a creative and detail-oriented UI/UX Developer to design and develop intuitive, responsive, and user-centric digital experiences. The ideal candidate should have strong front-end development skills combined with a solid understanding of user interface (UI) and user experience (UX) principles. You will collaborate with designers, developers, and stakeholders to create visually appealing, accessible, and high-performing web applications.Key Responsibilities<ul><li>Design and develop responsive, user-friendly web interfaces.</li><li>Convert Figma, Adobe XD, or Sketch designs into pixel-perfect, responsive HTML/CSS.</li><li>Build modern user interfaces using HTML5, CSS3, JavaScript (ES6+), Bootstrap 5, and Tailwind CSS.</li><li>Ensure websites and applications are mobile-first, responsive, and cross-browser compatible.</li><li>Implement UI components while maintaining consistency with design systems and brand guidelines.</li><li>Collaborate with UI/UX designers, developers, and product teams to improve user experience.</li><li>Optimize website performance, loading speed, and Core Web Vitals.</li><li>Integrate REST APIs with front-end applications.</li><li>Follow accessibility standards (WCAG) and SEO best practices.</li><li>Debug, test, and maintain front-end code for quality and performance.</li><li>Manage source code using Git, GitHub, or GitLab.</li><li>Utilize AI-assisted development tools such as ChatGPT, Claude, GitHub Copilot, and Replit to improve productivity and code quality.</li></ul>Required Skills<ul><li>HTML5 (Semantic Markup)</li><li>CSS3 (Flexbox, CSS Grid, Animations, Transitions)</li><li>Responsive &amp; Mobile-First Web Development</li><li>Bootstrap 5</li><li>Tailwind CSS</li><li>JavaScript (ES6+)</li><li>jQuery</li><li>UI/UX Design Principles</li><li>Figma to HTML/CSS Conversion</li><li>Responsive Web Design</li><li>Cross-Browser Compatibility</li><li>REST API Integration</li><li>Website Performance Optimization</li><li>SEO-Friendly Front-End Development</li><li>Web Accessibility (WCAG Standards)</li><li>Git &amp; GitHub/GitLab Version Control</li><li>Strong debugging and problem-solving skills</li><li>Excellent communication and teamwork skills</li></ul>Preferred Skills<ul><li>React.js</li><li>Next.js</li><li>Angular</li><li>TypeScript</li><li>WordPress Theme Development &amp; Customization</li><li>WordPress Plugin Customization</li><li>PHP (Basic to Intermediate)</li><li>Design Systems and Component Libraries</li><li>Agile/Scrum Methodology</li><li>CI/CD Basics</li><li>Experience with AI-powered development workflows</li></ul>Qualifications<ul><li>Bachelor's degree in Computer Science, Software Engineering, Information Technology, Multimedia, or a related field (or equivalent practical experience).</li><li>2&ndash;5 years of experience in UI/UX development or front-end development.</li><li>Strong portfolio showcasing responsive websites, web applications, UI components, and user-centered design implementations.</li></ul>Preferred Attributes<ul><li>Strong understanding of usability, accessibility, and visual hierarchy.</li><li>Ability to transform business requirements into intuitive user interfaces.</li><li>Passion for clean, maintainable, and scalable code.</li><li>Self-motivated with excellent time management skills.</li><li>Ability to work independently and collaboratively in a fast-paced environment.</li></ul>Application Question(s):<ul><li>What is your current salary??</li><li>What is your expected salary??</li></ul>Experience:<ul><li>UI/UX Developer: 3 years (Preferred)</li></ul>Work Location: In person

UI/UX Developer

Explore 195+ Full stack developer node js react graphql in Karachi this August. Find roles across top companies and apply now to boost your career.