senior full stack developer Jobs in Islamabad

senior full stack developer

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backend /infra software developer Jobs in Islamabad

backend /infra software developer

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business developer / upwork bidder

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business developer games (upwork)

backend developer

NineSol Technologies

<p><b>Job Title</b>: Backend Developer<b>Job Type</b>: Full-time<b>Location</b>: [Location]<b>Department</b>: Engineering/Development<b>About the Role</b>:</p><p>We are seeking a highly skilled <b>Backend Developer</b> to join our development team. As a Backend Developer, you will be responsible for designing, building, and maintaining scalable, robust, and high-performance server-side applications. You will collaborate with front-end developers, product managers, and other stakeholders to implement application features and ensure seamless integration with various systems.</p><p><b>Key Responsibilities</b>:</p><ul><li>Develop and maintain server-side logic using modern programming languages (e.g., Python, Java, Node.js, Ruby).</li><li>Design, implement, and manage APIs (REST, GraphQL) to support front-end services.</li><li>Work with databases such as MySQL, PostgreSQL, MongoDB, or others to store and retrieve data efficiently.</li><li>Optimize application performance for speed and scalability.</li><li>Ensure the security of the backend systems, managing authentication, authorization, and data protection.</li><li>Collaborate with DevOps and cloud engineers to deploy and monitor backend services on cloud platforms (e.g., AWS, Azure, Google Cloud).</li><li>Integrate third-party services and APIs as required by the project.</li><li>Write and maintain technical documentation for backend services.</li><li>Work closely with front-end developers to ensure smooth integration between the client and server sides.</li><li>Debug, troubleshoot, and improve existing applications and codebases.</li></ul><p><b>Requirements</b>:</p><ul><li>Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent practical experience).</li><li>Proven experience as a Backend Developer or similar role.</li><li>Proficiency in backend languages (e.g., Python, Java, Node.js, Ruby, PHP).</li><li>Strong understanding of web technologies such as HTTP, WebSockets, and related concepts.</li><li>Experience with database design and management (SQL and NoSQL).</li><li>Knowledge of security best practices (e.g., SSL, CORS, OAuth).</li><li>Familiarity with version control systems (e.g., Git).</li><li>Experience with cloud platforms (e.g., AWS, Azure) and containerization (e.g., Docker, Kubernetes) is a plus.</li><li>Excellent problem-solving skills and ability to work in a team environment.</li></ul><p><b>Preferred Qualifications</b>:</p><ul><li>Experience with microservices architecture.</li><li>Familiarity with CI/CD pipelines.</li><li>Understanding of caching mechanisms (e.g., Redis, Memcached).</li><li>Experience with test-driven development and writing unit/integration tests.</li></ul><p><b>Benefits</b>:</p><ul><li>Competitive salary.</li><li>Professional development opportunities.</li><li>Paid time off and holidays.</li></ul><p>Job Type: Full-time</p><p>Work Location: In person</p>

Backend Developer

ZZ-Technologies, islamabad

<p><b>Job Title:</b> Python Developer (1+ Years Experience)<br/><b>Location:</b>Islamabad<br/><b>Job Type:</b> Full-Time<br/><b>Job Description:</b><br/>We are seeking a talented Python Developer with 1+ years of experience to build and maintain scalable backend systems. The ideal candidate will have hands-on experience with databases, Python frameworks, FastAPI/Flask, databases, WebSockets, gRPC, and RabbitMQ.<br/><b>Responsibilities:</b></p><ul><li>Develop and maintain backend services using <b>Core Python</b>, <b>FastAPI</b>, and <b>Flask</b>.</li><li>Work with databases: <b>MySQL, MongoDB, ElasticSearch, Neo4j</b>.</li><li>Implement <b>WebSockets</b>, <b>gRPC</b>, and <b>RabbitMQ</b> for real-time and asynchronous communication.</li><li>Build web scraping tools and pipelines for data extraction.</li><li>Manage code with <b>Git</b>.</li></ul><p><b>Requirements:</b></p><ul><li>2+ years of Python development experience.</li><li>Experience with <b>FastAPI, Flask, WebSockets, gRPC, RabbitMQ</b>.</li><li>Strong database knowledge (<b>MySQL, MongoDB, ElasticSearch, Neo4j</b>).</li><li>Experience with web scraping, REST APIs, and backend integrations.</li></ul><p><b>Preferred:</b></p><ul><li>Knowledge of Docker, CI/CD, and cloud platforms.</li><li>Experience designing scalable, high-performance systems.</li></ul><p>You can share your resume on whatsapp with Job title 03355707047</p><p>Pay: Rs70,000.00 - Rs90,000.00 per month</p><p>Work Location: In person</p>

Junior Python Developer

ZIEL Global Private Limited

<p><b>About the Role</b></p><p>We are looking for a highly skilled and motivated <b>Mid-Senior Full Stack Developer</b> with at least 4 years of professional experience in designing, developing, and maintaining scalable web applications. The ideal candidate should be comfortable working on both frontend and backend systems and have strong problem-solving skills.</p><p>You will work closely with product managers, designers, and backend/frontend teams to deliver high-quality, performance-optimized applications.</p><p><b>Key Responsibilities</b></p><ul><li>Design, develop, and maintain scalable full-stack applications</li><li>Build responsive and high-performance frontend interfaces</li><li>Develop secure and optimized backend APIs and services</li><li>Integrate third-party APIs and services</li><li>Write clean, maintainable, and reusable code</li><li>Optimize applications for maximum speed and scalability</li><li>Participate in architecture and technical decision-making</li><li>Conduct code reviews and mentor junior developers</li><li>Troubleshoot, debug, and upgrade existing systems</li><li>Ensure application security and data protection standards</li></ul><p><b>Technical Requirements</b></p><p><b>Frontend:</b></p><ul><li>Strong proficiency in <b>React.js / Next.js</b></li><li>Solid understanding of JavaScript (ES6+), TypeScript</li><li>HTML5, CSS3, Tailwind / Bootstrap</li><li>State management (Redux, Context API, etc.)</li><li>Responsive and cross-browser compatibility</li></ul><p><b>Backend:</b></p><ul><li>Strong experience with <b>Node.js (Express.js / NestJS preferred)</b></li><li>RESTful API development</li><li>Authentication &amp; authorization (JWT, OAuth)</li><li>Microservices architecture (preferred)</li><li>Experience with background jobs &amp; queues</li></ul><p><b>Database:</b></p><ul><li>PostgreSQL / MySQL</li><li>MongoDB</li><li>Database design &amp; optimization</li><li>ORM experience (Prisma / Sequelize / TypeORM)</li></ul><p><b>DevOps &amp; Tools:</b></p><ul><li>Git &amp; version control workflows</li><li>Docker (basic to intermediate)</li><li>CI/CD pipelines</li><li>AWS / Azure / DigitalOcean (any cloud platform)</li><li>Understanding of server deployment &amp; monitoring</li></ul><p><b>Nice to Have</b></p><ul><li>Experience with scalable architecture design</li><li>Knowledge of WebSockets / Real-time systems</li><li>Experience with payment gateway integrations</li><li>Familiarity with Agile/Scrum methodology</li><li>Previous leadership or mentoring experience</li></ul><p><b>Soft Skills</b></p><ul><li>Strong analytical and problem-solving abilities</li><li>Excellent communication skills</li><li>Ability to work independently and within a team</li><li>Ownership mindset and accountability</li></ul><p>Job Type: Full-time</p><p>Pay: Rs250,000.00 - Rs300,000.00 per month</p><p>Application Question(s):</p><ul><li>How many years of Full Stack Development experience do you currently have?</li><li>Salary expectation in PKR?</li><li>What is your current notice period? (days)</li><li>What would you rate your English (Speaking/Writing) out of 10?</li></ul><p>Work Location: In person</p>

Mid-Senior Full Stack Developer

Swismax Solutions

<p>We are looking for a passionate and experienced <b>Full Stack Developer</b> with strong backend and frontend skills to join our growing team.</p><p>Job Requirements</p><p>The ideal candidate must have strong knowledge and hands-on experience in:</p><ul><li><b>Core PHP &amp; Laravel Framework</b></li><li><b>MySQL Database Management</b></li><li><b>JavaScript (Vanilla JS &amp; jQuery)</b></li><li><b>MVC Architecture</b></li><li><b>API Development &amp; Integration</b></li><li><b>E-commerce Solutions</b> (OpenCart, Magento)</li><li><b>Facebook API &amp; WhatsApp API Integration</b></li><li><b>Payment Gateway APIs</b> (Nice to Have)</li></ul><p>Frontend Development (Mandatory)</p><p>Strong frontend expertise is required in:</p><ul><li><b>HTML5 &amp; CSS3</b></li><li><b>JavaScript</b></li><li><b>Bootstrap (Latest Version)</b></li><li><b>Tailwind CSS</b></li><li>Responsive &amp; Mobile-First Design</li><li>Custom UI Development</li><li>Cross-Browser Compatibility</li></ul><p>Candidate must be capable of converting designs into fully functional, responsive websites using <b>Tailwind &amp; Bootstrap</b>.</p><p>How to Apply</p><p>Send your CV via WhatsApp: <b>0339-4083399</b></p><p>Job Type: Full-time</p><p>Pay: From Rs1.00 per month</p><p>Work Location: In person</p>

Full Stack Website Developer

Asterisk Solution

<p><b>Job Overview</b></p><p>We are looking for a highly experienced and motivated <b>Senior Full Stack App Developer</b> who can design, develop, and manage complete mobile projects from concept to deployment. The ideal candidate must have strong experience in cross-platform mobile development, backend development, API integrations, and payment gateway implementations.</p><p>This role requires a <b>self-driven professional</b> who can lead projects, manage timelines, and deliver high-quality, scalable applications.</p><p><b>Key Responsibilities</b></p><ul><li>Design, develop, and maintain <b>mobile applications</b> using Flutter, React Native, and native Android (Java) and iOS (Swift)</li><li>Develop and manage <b>backend systems</b> using Node.js</li><li>Build, integrate, and manage <b>REST APIs and third-party services</b></li><li>Integrate <b>secure payment gateways</b> such as PayPal and Stripe</li><li>Collaborate with UI/UX designers, QA teams, and project managers</li><li>Ensure performance, quality, and responsiveness of applications</li><li>Troubleshoot, debug, and upgrade existing applications</li><li>Manage the complete <b>app deployment lifecycle</b> (App Store &amp; Google Play)</li><li>Maintain proper documentation and version control (Git)</li></ul><p><b>Required Skills &amp; Experience</b></p><ul><li>Minimum <b>4&ndash;6 years of experience</b> in mobile and web app development</li><li>Strong hands-on experience with:</li><li>Flutter</li><li>React Native</li><li>Java (Android Development)</li><li>Swift (iOS Development)</li><li>Node.js (Backend Development)</li><li>Experience with <b>API development &amp; integration</b></li><li>Experience with <b>payment gateway integration</b> (PayPal, Stripe, or similar)</li><li>Strong understanding of <b>database systems</b> (MySQL / MongoDB / Firebase)</li><li>Experience with <b>cloud services</b> (AWS, Google Cloud, or similar)</li><li>Knowledge of <b>Git version control</b></li><li>Ability to handle projects independently from start to finish</li></ul><p><b>Preferred Qualifications</b></p><ul><li>Experience in <b>AI-powered apps, travel apps, logistics, or marketplace platforms</b></li><li>Experience working with <b>real-time systems, chat modules, or location tracking</b></li><li>Familiarity with <b>Agile/Scrum methodologies</b></li></ul><p><b>Job Details</b></p><ul><li><b>Job Type:</b> Full-Time (On-site)</li><li><b>Location:</b> Pakistan</li><li><b>Working Hours:</b></li><li>Male: 3:00 PM &ndash; 12:00 AM</li><li>Female: 3:00 PM &ndash; 10:00 PM</li></ul><p><b>Compensation &amp; Benefits</b></p><ul><li>Competitive Salary Package (Based on experience)</li><li><b>Health Insurance Coverage: PKR 350,000 per family member</b></li><li>Professional growth and learning opportunities</li><li>Friendly and performance-driven work environment</li><li>Opportunity to work on international projects</li></ul><p><b>How to Apply</b></p><p>Interested candidates should send their:</p><ul><li>Updated CV</li><li>Portfolio / GitHub / Previous Apps Links</li><li>Expected Salary</li></ul><p>Job Type: Full-time</p><p>Work Location: In person</p>

Senior Full Stack App Developer (Flutter / iOS / Android / Node.js)

Securiti AI

<div>
 Securiti has been widely recognized as an industry innovator, being named &ldquo;Most Innovative Start-up&rdquo; at RSA Conference 2020, Leader in the IDC Marketplace, Leader in the Forrester Wave Privacy Management Software, and winner of the 2020 HPE-IAPP Innovation Award. The company is being built by proven serial entrepreneurs and executives who have successfully built and scaled high-growth global companies before. We are now expanding our development team and have multiple backend development roles open. If you aspire to work on cutting-edge technologies and frameworks, side by side with some of the smartest technologists, this may be a unique place for you. You will be working as a part of a distributed agile team, building a new SaaS platform that underpins a suite of enterprise applications solving a variety of hard data analytics and enterprise problems.
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 <strong>
  Responsibilities
  <br/>
  <br/>
 </strong>
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  <li>
   Be a part of a globally distributed team of backend engineers to design/develop Securiti&rsquo;s core backend platform
  </li>
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   Help create design documents, and developer test plans
  </li>
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   Coordinate end-to-end development, deployment, and testing of new features and enhancements in the product
  </li>
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   Write reliable, secure, performant, and scalable code
  </li>
  <li>
   Perform code reviews and analysis
  </li>
  <li>
   Monitor platform performance and be on-call to address any urgent issues
  </li>
  <li>
   Work with customer support and address customer issues
  </li>
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   Integrate new technologies into back-end cloud infrastructure
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Requirements
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Minimum 2 years experience developing software, with some experience using container technologies like Docker
  </li>
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   Conceptual understanding of multi-threaded applications
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  <li>
   Professional development experience in GoLang, Java, C++, or Python
  </li>
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   Good knowledge of Linux and bash scripting
  </li>
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   Good software development practices: should thrive in an environment of rapid development, peer code reviews, and write good functional/unit tests
  </li>
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   Experience with microservices and REST-based HTTP/2 architectures
  </li>
  <li>
   Experience with SQL (Postgres) and NoSQL (Mongo/Elasticsearch) technologies
  </li>
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   Knowledge and use of performance tuning, profiling, and software metrics tools
  </li>
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   Very strong diagnostic and troubleshooting skills
  </li>
  <li>
   Understanding of continuous integration tools, including Jenkins
  </li>
  <li>
   Experience with agile development methodologies is a must
  </li>
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   Outstanding verbal, written, and interpersonal communication skills
  </li>
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   High level of energy, teamwork, can-do attitude, and willingness to learn new technologies
  </li>
  <li>
   Working knowledge of networks and web concepts
   <br/>
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  </li>
 </ul>
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  Bonus points
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  <br/>
 </strong>
 <ul>
  <li>
   Experience in building highly available and scalable distributed systems for the cloud is required for senior roles
  </li>
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   Proven ability to utilize creative thinking to solve complex engineering problems
  </li>
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   Experience with cloud platforms such as AWS, GCP, and Azure
  </li>
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   Experience with Containerization technologies (Kubernetes, Docker)
  </li>
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   Experience with tools like terraform, helm, docker
  </li>
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   Understanding of Network Services such as Load-Balancers, Security, QoS
  </li>
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   Understanding of platform level concerns, such as configuration management, network request routing, blue/green or canary deployments, in-service software upgrade
  </li>
  <li>
   Experience in building API based connectors to cloud-based SaaS services is a big plus
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  About Us
  <br/>
  <br/>
 </strong>
 Securiti solves challenges across governance, privacy, and security. With a foundation in data understanding and a team that was responsible for developing and deploying the market-leading CASB &amp; DLP technology, we were able to create a platform from the ground up that leverages automation and workflows to solve complex privacy, data, and security business challenges with a simplified interface promoting collaboration across the business. Ease of use, quick to deploy and customizable are all reasons why companies select Securiti versus stitching multiple vendors together to address their challenges.
 <br/>
 <br/>
 The exponential growth of data brings massive new opportunities but also brings increasingly perilous security, compliance, and privacy risks. At Securiti, our mission is to enable organizations to safely harness the incredible power of data and the cloud by controlling the complex security, compliance, and privacy risks. Securiti&rsquo;s solution uniquely combines AI-powered data intelligence with full workflow automation, simplifying compliance with GDPR, CCPA, LGPD, and other regulations. Granular insights into structured and unstructured data enable organizations to monitor risk, control access, and protect sensitive data at scale.
</div>


Backend /Infra Software Developer

Contour Software

<div><div>About Contour</div><div></div><div><div>
Contour Software</div> has grown from a dozen people to over 2,000 staff across 3 cities, in less than 14 years.</div><div><br>
As a subsidiary of Constellation Software Inc., we are proud to be part of a global enterprise software conglomerate that has grown to become one of the top 10 software companies in the world, with employees and customers in 100+ countries. With a broad-based and ever-growing portfolio of market-leading, vertical-market enterprise solutions covering more than 100 industry domains in predominantly mature markets, CSI's recipe creates the perfect environment for professionals to build fulfilling, long-term careers.</div><div><br>
What started as an R&amp;D &amp; Accounting back-office, has progressed into a full-service Global Centre serving all functions and departments, at the divisional as well as operating group/corporate level. Today Contour employees, located in Karachi, Lahore &amp; Islamabad, are serving CSI divisions located in time zones spanning the globe, from Sydney to Vancouver. With the global growth of Constellation as the wind in our sails, we are only just getting started!</div><div></div><div><div><div>
The Division:</div></div><div><div>
Jonas Event Technology (JET) provides registration, lead capture, and event technology solutions to the global events industry. We are part of the Jonas Software / Constellation Software family.</div></div><div></div><div><div>
The Role</div></div><div><div>
We are looking for a Senior Full Stack Developer to join our product development team. This is a hands-on technical role requiring strong full-stack development skills and a forward-thinking approach to AI-augmented software development. You will work closely with our UK-based technical leadership to evolve our product suite &mdash; building new features, improving architecture, and integrating AI capabilities into our platform. The successful hire will work from the Contour Software Islamabad office as part of the resource-center team that is an extension of the division-based R&amp;D department.</div></div><div></div><div><div>
Key Responsibilities</div></div><div><ul><li><div>
Full-stack development across our web applications, APIs, and database layer</div></li></ul></div><div><ul><li><div>
Design and implement new features aligned with product roadmap</div></li></ul></div><div><ul><li><div>
Analyse business requirements and translate them into technical solutions</div></li></ul></div><div><ul><li><div>
Integrate AI/ML capabilities into existing and new products</div></li></ul></div><div><ul><li><div>
Maintain and improve code quality, test coverage, and documentation</div></li></ul></div><div><ul><li><div>
Collaborate with cross-functional teams including product, sales, and support</div></li></ul></div><div><ul><li><div>
Mentor and support junior developers</div></li></ul></div><div></div><div><div>
Required Skills &amp; Experience</div></div><div><div>
Technical (Must Have)</div></div><div><ul><li><div>
Backend: Strong experience with C#, .NET / .NET Core, ASP.NET</div></li></ul></div><div><ul><li><div>
Frontend: Proficiency in modern JavaScript/TypeScript frameworks (Vue.js, React, or Angular)</div></li></ul></div><div><ul><li><div>
Database: Solid SQL Server experience &mdash; query optimisation, schema design, stored procedures</div></li></ul></div><div><ul><li><div>
APIs: RESTful API design and implementation; experience consuming and building integrations</div></li></ul></div><div><ul><li><div>
Version Control: Git (GitHub or Azure DevOps)</div></li></ul></div><div><ul><li><div>
Testing: Unit testing, integration testing (MSTest, xUnit, NSubstitute or similar)</div></li></ul></div></div><div></div><div><div><div>
Technical (Highly Desirable)</div></div><div><ul><li><div>
AI &amp; Machine Learning: Practical understanding of AI orchestration &mdash; LLMs, prompt engineering, embeddings, RAG patterns, agent architectures</div></li></ul></div><div><ul><li><div>
Cloud: Azure or AWS experience (deployment, serverless, Azure SQL)</div></li></ul></div><div><ul><li><div>
Mobile: React Native or similar cross-platform frameworks</div></li></ul></div><div><ul><li><div>
DevOps: CI/CD pipelines, containerisation (Docker)</div></li></ul></div><div><ul><li><div>
Legacy Systems: Experience working with and modernising VB.NET / WinForms codebases</div></li></ul></div><div></div><div><div>
Analytical &amp; Problem-Solving</div></div><div><ul><li><div>
Demonstrated ability to understand complex business domains and create effective technical solutions</div></li></ul></div><div><ul><li><div>
Experience breaking down ambiguous requirements into structured, deliverable work</div></li></ul></div><div><ul><li><div>
Track record of identifying and resolving architectural issues or technical debt</div></li></ul></div><div></div><div><div>
Soft Skills</div></div><div><ul><li><div>
Clear written and verbal communication in English</div></li></ul></div><div><ul><li><div>
Self-motivated and able to work independently in a remote setting</div></li></ul></div><div><ul><li><div>
Proactive &mdash; flags issues early, suggests improvements, doesn&rsquo;t wait to be told</div></li></ul></div><div><ul><li><div>
Committed and reliable &mdash; this is a senior role requiring a serious mindset</div></li></ul></div><div></div><div><div>
Experience Level</div></div><div><ul><li><div>
Minimum 5 years of professional software development experience</div></li></ul></div><div><ul><li><div>
Demonstrated progression into senior or lead roles</div></li></ul></div><div><ul><li><div>
Experience working in distributed/remote teams is a plus</div></li></ul></div><div></div><div><div>
What Success Looks Like</div></div></div><div><div>
In the first 3 months, the right candidate will: - Be contributing production code across the full stack - Understand our product architecture and key business workflows - Have identified at least one area where AI could meaningfully improve our product or processes - Be a trusted, reliable member of the development team</div></div><div>
Exciting Benefits we offer:</div><ul><li><div>
Market-leading Salary</div></li><li><div>
Medical Coverage &ndash; Self &amp; Dependents</div></li><li><div>
Parents Medical Coverage</div></li><li><div>
Provident Fund</div></li><li><div>
Employee Performance-based bonuses</div></li><li><div>
Home Internet Subsidy</div></li><li><div>
Conveyance Allowance</div></li><li><div>
Profit Sharing Plan [Tenured Employees Only]</div></li><li><div>
Life Benefit</div></li><li><div>
Child Care Facility</div></li><li><div>
Company Provided Lunch/Dinner</div></li><li><div>
Professional Development Budget</div></li><li><div>
Recreational area for in-house games</div></li><li><div>
Sporadic On-shore training opportunities</div></li><li><div>
Friendly work environment</div></li><li><div>
Leave Encashment</div></li></ul><div></div><div><i>
Disclaimer:</i><i> At Contour, we attribute our success to the unique contributions of our diverse staff. We&rsquo;re committed to fostering a culture of respect that thrives on the varied perspectives and experiences of all individuals we recruit, employ, promote, and compensate. Since day one, we&rsquo;ve adhered to a policy that champions a work environment honoring the worth and dignity of each person while being free from all forms of employment discrimination.</i></div><div></div><div><i>
In our continuous effort to promote inclusivity, we extend our commitment to individuals with special needs by providing reasonable accommodations. We actively encourage qualified individuals with special needs to apply for the various openings within our company. Should you require assistance in completing the application process or have any inquiries regarding special facilities, please do not hesitate to contact our HR team. Your unique talents and abilities are welcomed and valued here.</i></div></div><div></div>

Senior Full Stack Developer

Explore 60+ Backend developer in Islamabad this March. Find roles across top companies and apply now to boost your career.