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senior developer

Viabletree

Senior Frontend Developer - Immediate JoinerWe are seeking an exceptional Senior Frontend Developer to join our team, with a strong focus on delivering high-quality, user-centric applications using Vue.js and Nuxt.js. As a seasoned developer, you will play a key role in shaping our frontend architecture, contributing to the development of new features, and ensuring the highest standards of code quality and best practices.Responsiblities<ul><li>Develop scalable, maintainable, and efficient frontend applications using Vue.js and Nuxt.js</li></ul><ul><li>Design and implement responsive, accessible, and user-friendly interfaces using Tailwind CSS or SCSS</li></ul><ul><li>Implement state management solutions using Pinia or Vuex</li></ul><ul><li>Collaborate with the backend team to integrate REST APIs and ensure seamless data exchange</li></ul><ul><li>Develop and maintain unit and end-to-end tests using Jest, Vitest, Cypress, or Playwright</li></ul><ul><li>Participate in code reviews and contribute to the improvement of the codebase</li></ul><ul><li>Stay up-to-date with the latest developments in frontend technologies and apply this knowledge to improve our applications</li></ul><ul><li>Contribute to the development of reusable UI components using Storybook</li></ul>Requirements: 3-4 years of experience in frontend development with a strong focus on Vue.js and Nuxt.js<ul><li>Very good knowledge of Typescript and JavaScript</li></ul><ul><li>Experience with state management libraries such as Pinia or Vuex</li></ul><ul><li>Strong understanding of CSS preprocessors such as Tailwind CSS or SCSS</li></ul><ul><li>Familiarity with REST APIs and API integration</li></ul><ul><li>Experience with unit and end-to-end testing frameworks such as Jest, Vitest, Cypress, or Playwright</li></ul><ul><li>Strong understanding of Git and version control principles, including branching strategies</li></ul><ul><li>Basic knowledge of CI/CD pipelines using GitHub Actions, GitLab CI, or similar tools</li></ul>Location: Gulshan-e-Iqbal Block 13-AType: Full-TimeJob Type: Full-timeWork Location: In person

Senior Frontend Developer

Cubix Inc

Join Our Team as a Senior PHP Developer!We're looking for a highly skilled Senior PHP Developer to join our dynamic team and help us build the next generation of web applications. If you're passionate about crafting high-quality, scalable code and love solving complex problems, we want to hear from you.What You'll Do<ul><li>Develop, optimize, and maintain robust and scalable web applications using PHP.</li><li>Write clean, efficient, and well-documented code following industry best practices.</li><li>Design and manage databases (MySQL), including creating complex queries and optimizing performance.</li><li>Work with MVC frameworks like Laravel or CodeIgniter to build modular and maintainable applications.</li><li>Collaborate with cross-functional teams (designers, front-end developers, QA) to deliver impactful features.</li><li>Troubleshoot and debug application issues in a timely manner.</li></ul>What You'll Bring<ul><li>Strong proficiency in PHP, with a solid understanding of OOP and design patterns.</li><li>Extensive experience with MySQL, including joins, indexing, and query optimization.</li><li>A good understanding of RESTful APIs and how to integrate them.</li><li>Hands-on experience with MVC frameworks such as Laravel or CodeIgniter.</li><li>Familiarity with front-end technologies like HTML5, CSS3, and JavaScript is a plus. Experience with frameworks like Vue.js or React is a bonus.</li><li>Knowledge of version control (Git) and standard deployment workflows.</li><li>An understanding of security best practices (e.g., SQL injection, XSS).</li></ul>If you're a senior developer with a proven track record of building and maintaining high-performance web applications, we encourage you to apply. We offer a collaborative environment where your skills will make a real difference.Ready to take the next step in your career? Apply now!Job Type: Full-timeWork Location: In person

Senior PHP Developer

Launch Box

Senior Backend Developer &ndash; Join Our Growing Team!Location: Emarah Suites, Main Shahra-e-Faisal, Karachi Timings: 10:00 AM &ndash; 7:00 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

Q-Solutions

We are seeking a skilled and experienced Senior Python Developer to join our dynamic and growing tech team. The ideal candidate will possess a strong background in Python-based backend development, particularly using Flask and FastAPI, with a passion for Gen AI applications, scalable architecture, and secure coding practices. This role offers an exciting opportunity to work with modern technologies in an agile environment and be part of innovation in AI-driven product development.Key Responsibilities:<ul><li>Design, develop, and maintain robust Python applications using Flask and FastAPI, with a focus on Gen AI integration.</li><li>Work with PostgreSQL and NoSQL databases, leveraging ORM tools and data modeling best practices.</li><li>Embrace Test-Driven Development (TDD) to ensure code quality and maintainability.</li><li>Integrate systems with AWS services such as EC2, Lambda, S3, SQS, etc.</li><li>Build and manage CI/CD pipelines; support DevOps practices including Terraform (a plus).</li><li>Utilize containerization with Docker for deployment and scaling.</li><li>Implement and maintain secure communication between services using RabbitMQ, Kafka, or equivalent messaging systems.</li><li>Apply strong understanding of SSO, OAuth, encryption, and secure authentication protocols.</li><li>Collaborate with cross-functional teams to ensure reliability, scalability, and performance.</li><li>Work within an Agile/Scrum environment and participate in team ceremonies.</li></ul>Required Skills &amp; Qualifications:<ul><li>Strong experience with Flask and FastAPI.</li><li>Proficiency in RDBMS (PostgreSQL preferred) and NoSQL technologies.</li><li>Solid foundation in TDD and clean code principles.</li><li>Experience with AWS ecosystem (EC2, Lambda, S3, SQS).</li><li>Working knowledge of ORMs and database migration tools.</li><li>Practical experience with Docker, RabbitMQ, distributed systems, and microservices.</li><li>Understanding of CI/CD, DevOps workflows, and optionally Terraform.</li><li>Familiarity with Big Data tools like Kafka, Spark, etc. is a strong plus.</li><li>Awareness of ElasticSearch, DynamoDB, and SOA architecture patterns.</li><li>Strong grasp of data security, SSO, and OAuth authentication.</li></ul>How to Apply:Interested candidates are encouraged to submit their resume and a cover letter outlining their relevant experience and qualifications to: jobs@q-sols.comPlease include &quot;Senior Python Developer Application&quot; in the subject line.Alternatively, you can apply directly by filling out this form: https://forms.gle/zudZy5oviDL2S14A8Note: This position is open only for candidates based in Karachi.Job Type: Full-timeApplication Question(s):<ul><li>What's your Current &amp; Expected Salary?</li></ul>Experience:<ul><li>FastAPI: 3 years (Required)</li><li>Python: 3 years (Required)</li></ul>Work Location: In person

Senior Python Developer

MS Global INC.

We&rsquo;re Hiring: Flutter DeveloperWe are looking for a skilled and passionate Flutter Developer to join our team. The ideal candidate will be responsible for developing high-quality cross-platform mobile applications using Flutter, ensuring smooth performance, and delivering exceptional user experiences.Key Responsibilities:Develop, test, and deploy mobile applications using Flutter (iOS &amp; Android).Collaborate with the design and backend teams to deliver scalable and high-performing apps.Write clean, maintainable, and efficient code.Integrate APIs and third-party libraries as required.Debug, troubleshoot, and resolve technical issues.Continuously research and implement the latest trends, tools, and best practices in mobile app development.Ensure timely delivery of assigned projects within deadlines.Requirements:Proven experience as a Flutter Developer (minimum 1&ndash;2 years preferred).Strong knowledge of Dart programming language.Experience with REST APIs, JSON, and third-party integrations.Familiarity with Git version control.Understanding of UI/UX principles and responsive design.Ability to work independently as well as in a collaborative team environment.Strong problem-solving skills and attention to detail.Benefits:Competitive salary package (PKR 60,000 &ndash; 80,000).Professional growth opportunities.Friendly and collaborative work environment.Exposure to diverse and challenging projects.Apply now at: msworldhr@gmail.comJob Types: Full-time, Part-timePay: From Rs60,000.00 per monthAbility to commute/relocate:<ul><li>Karachi: Reliably commute or planning to relocate before starting work (Required)</li></ul>Application Question(s):<ul><li>n: </li></ul>How many months of experience do you have working as a Flutter Developer?Work Location: Remote

SENIOR FLUTTER DEVELOPER

AutoScale Ventures

<div>Location: Remote (Pakistan)
Job Type: Full-time
Work Schedule: 09:00AM-05:00PM (Pacific Standard Time)
Role Overview:
We're looking for a Senior Python Developer to join our team. In this role, you'll play a key part in designing and maintaining our backend infrastructure, building high-quality data products, and solving complex problems using our vast automotive datasets. You'll work closely with fellow developers and stakeholders to drive technical projects from conception to deployment while contributing to the overall reliability, scalability, and performance of our systems.
Key Responsibilities:<ul><li>
Lead the design, development, and deployment of core backend systems and data products</li><li>
Build scalable, high-performance infrastructure to support data-heavy applications</li><li>
Optimize backend systems for maintainability, performance, and scalability</li><li>
Oversee and maintain production systems to ensure reliability, up-time, and data accuracy</li><li>
Proactively troubleshoot and resolve technical issues in live environments</li><li>
Develop and refine automated data scraping pipelines</li><li>
Leverage our proprietary datasets to solve industry-specific problems and deliver value to customers</li><li>
Work closely with developers, analysts, and stakeholders across the company</li><li>
Mentor junior developers, providing guidance on best practices, code quality, and career growth</li><li>
Maintain clear, up-to-date technical documentation for systems and processes</li><li>
Explore and prototype new ideas for data-driven web applications and business models</li></ul>
Requirements:<ul><li>
3+ years of experience in Python (preferably in a production environment), with a solid understanding of best practices for writing clean, maintainable code</li><li>
Hands-on experience with Python frameworks such as Flask, FastAPI, and optionally Scrapy for data scraping</li><li>
Strong working knowledge of Linux systems and SQL databases. Experience with distributed databases is a plus</li><li>
Experience with PostgreSQL or MySQL in production environments</li><li>
Experience designing, building, and supporting backend systems from scratch</li><li>
Comfortable managing and optimizing live production systems</li><li>
Familiarity with data scraping techniques and large-scale data processing</li><li>
Self-driven and highly productive with minimal supervision in a remote work environment</li><li>
Strong written and verbal communication skills, with the ability to work across time zones and collaborate with a global team</li><li>
A passion for solving problems creatively and exploring new data-driven business ideas</li></ul>
Nice to Have:<ul><li>
Familiarity with PHP is a plus, especially in hybrid environments involving LAMP/LEMP stacks</li><li>
Experience mentoring or working with junior developers</li><li>
Demonstrated initiative through personal or open-source projects</li></ul>
Benefits &amp; Perks:<ul><li>
Fully Remote Work Work from anywhere with a reliable internet connection</li><li>
Healthcare Coverage We provide health benefits for you and your family's well-being</li><li>
Leave Days, Vacation Time, and Paid Holidays Recharge and take the time you need</li><li>
Equipment Funds Get support to set up or upgrade your home office</li><li>
Profit Sharing Monthly and annual bonuses tied to company performance</li><li>
Long-Term Employment We value team members who grow with us</li><li>
Collaborative Team Culture Work with a supportive and globally distributed team</li></ul>
About Us:
AutoScale Ventures is a technology-driven company with 50+ team members across the Philippines, Pakistan, India, the U.S., China, and Canada. We operate a group of businesses spanning tech, data services, recruiting, and real estate, including:<ul><li>
VinAudit: Vehicle history and market data provider</li><li>
Proxy Services: High-speed private proxy solutions</li><li>
EliteWork: Remote workforce platform and SaaS productivity tool</li><li>
Voliplex: Long-term U.S. real estate investment firm</li></ul>
We're committed to building scalable, data-driven solutions and empowering a globally distributed team.
Important Note: Only those who are shortlisted will be contacted. We look forward to meeting the right person for this role!</div>

Zenkoders

Job descriptionJob DescriptionZenkoders is seeking a skilled and motivated Frontend Developer to join our technology team. The ideal candidate will have 1&ndash;2 years of hands-on experience in modern frontend frameworks, particularly React.js and Next.js, along with a strong understanding of responsive, user-centric design.Key Responsibilities:<ul><li>Develop, maintain, and enhance responsive web applications</li><li>Collaborate with UI/UX designers to translate designs into interactive interfaces</li><li>Ensure seamless integration with backend services and APIs</li><li>Write clean, reusable, and well-documented code</li><li>Optimise applications for maximum performance across a range of devices</li></ul>Required Qualifications &amp; Skills:<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field</li><li>Proficient in HTML, CSS, JavaScript, and TypeScript</li><li>Solid experience with React.js and Next.js</li><li>Familiarity with frontend tools/libraries such as Material UI, Tailwind CSS, Redux, Zustand, and React Query</li><li>Strong problem-solving and debugging skills</li><li>Ability to work in a collaborative team environment</li><li>If you&rsquo;re passionate about frontend development and meet the above criteria, we encourage you to apply to career@zenkoders.com and be part of our innovative team.</li></ul>Job Type: Full-timeWork Location: In person

Explore 388+ Senior developer in Karachi this September. Find roles across top companies and apply now to boost your career.

388 senior developer jobs IN Karachi

Senior Frontend Developer

Senior PHP Developer

Senior Backend Developer

Senior Python Developer

SENIOR FLUTTER DEVELOPER

Senior Python Developer

Senior Frontend Developer