full stack developer

mern stack developer

backend developer

cms developer

frontend developer

senior lead developer

Launch Box

<p>Job description:</p><p><b>Senior Backend Developer &ndash; Join Our Growing Team!</b></p><p><b>Location:</b> Emarah Suites, Main Shahra-e-Faisal, Karachi<br/><b>Timings:</b> 12:00 PM &ndash; 9:00 PM<br/><b>Employment Type:</b> Full-time | On-site</p><p><b>About Us:</b><br/>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.</p><p><b>Position Overview:</b><br/>We&rsquo;re looking for a <b>Senior Backend Developer</b> with strong expertise in <b>Node.js</b> and proficiency in multiple backend technologies. You will architect, develop, and maintain scalable APIs, databases, and backend systems, ensuring optimal performance and security.</p><p><b>Key Responsibilities:</b><br/><b>Design, develop, and maintain robust backend systems and APIs, primarily using </b>Node.js<b>.</b><br/>Work with multiple backend languages and frameworks such as <b>Python, PHP, Java, Go, or .NET</b> when required.<br/><b>Collaborate with frontend developers, mobile engineers, and DevOps teams to deliver end-to-end solutions.</b><br/>Optimize applications for maximum speed, scalability, and security.<br/><b>Manage and maintain databases (SQL &amp; NoSQL) including </b>PostgreSQL, MySQL, MongoDB<b>.</b><br/>Implement best practices for code quality, testing, and deployment.<br/><b>Troubleshoot and debug applications, ensuring smooth performance.</b><br/>Mentor junior developers and lead code reviews.</p><p><b>Requirements:</b><br/>3+ years <b>of backend development experience.</b><br/>Strong expertise in <b>Node.js</b> (Express.js, NestJS, or similar frameworks).<br/><b>Experience with RESTful APIs, GraphQL, and microservices architecture.</b><br/>Familiarity with cloud platforms (AWS, Azure, or GCP).<br/><b>Strong understanding of </b>SQL &amp; NoSQL databases<b>.</b><br/>Proficiency in other backend languages such as <b>Python, PHP, Java, Go, or .NET</b>.<br/><b>Knowledge of authentication, authorization, and security best practices (OAuth, JWT, etc.).</b><br/>Experience with Git and CI/CD pipelines.<br/><b>Strong problem-solving skills and attention to detail.</b></p><p><b>Nice to Have:</b><br/><b>Experience with Docker, Kubernetes, and container orchestration.</b><br/>Knowledge of serverless architectures.<br/><b>Exposure to real-time systems (WebSockets, Socket.io).</b></p><p>Job Type: Full-time</p><p>Work Location: In person</p><p>Job Type: Full-time</p><p>Work Location: In person</p>

Senior Node.js Developer

Sublime Wireless Inc

<p><b>Job Description &ndash; Senior Blockchain Developer (Corda Specialist)</b></p><p><b>Position:</b> Senior Blockchain Developer<br/><b>Location:</b> Karachi (On-site, 9 AM &ndash; 5 PM)<br/><b>Experience Required:</b> 4+ years in Blockchain Development (with proven hands-on Corda expertise)<br/><b>Employment Type:</b> Full-time</p><p><b>About the Role</b></p><p>We are seeking an experienced <b>Senior Blockchain Developer</b> with strong expertise in <b>private blockchain platforms</b> and proven hands-on experience in <b>Corda technology</b>. The ideal candidate will design, develop, and implement enterprise-grade blockchain solutions, ensuring scalability, security, and compliance for our business use cases.</p><p><b>Key Responsibilities</b></p><ul><li>Design, develop, and deploy <b>Corda-based blockchain applications</b> for enterprise use cases.</li><li>Architect and implement <b>private blockchain networks</b>, focusing on scalability, security, and performance.</li><li>Develop and maintain <b>CorDapps</b>, smart contracts, and workflows on Corda.</li><li>Collaborate with cross-functional teams (business analysts, architects, DevOps, and QA) to translate requirements into technical solutions.</li><li>Integrate blockchain solutions with existing enterprise applications, APIs, and cloud platforms.</li><li>Optimize performance and security of blockchain nodes and networks.</li><li>Conduct research on emerging blockchain trends and propose innovative solutions.</li><li>Provide <b>technical leadership and mentorship</b> to junior and mid-level developers.</li><li>Ensure compliance with industry standards, governance models, and regulatory requirements.</li></ul><p><b>Required Skills &amp; Qualifications</b></p><ul><li><b>4+ years</b> of hands-on blockchain development experience, with <b>at least 2+ years in Corda (R3 Corda)</b>.</li><li>Proven expertise in <b>designing and deploying CorDapps</b> and working with <b>Corda nodes, flows, and contracts</b>.</li><li>Strong understanding of <b>distributed ledger technologies (DLT)</b> and <b>private blockchain frameworks</b>.</li><li>Proficiency in <b>Java and Kotlin</b> (essential for Corda development).</li><li>Experience with <b>Spring Boot, RESTful APIs, Microservices architecture</b>.</li><li>Solid understanding of <b>cryptography, consensus mechanisms, and PKI</b>.</li><li>Hands-on experience with <b>cloud platforms (AWS, Azure, GCP)</b> and containerization (Docker, Kubernetes).</li><li>Strong knowledge of <b>relational databases (PostgreSQL, Oracle, MySQL)</b>.</li><li>Experience with <b>CI/CD pipelines, Git, and DevOps tools</b>.</li><li>Excellent problem-solving, debugging, and analytical skills.</li><li>Strong communication and team leadership abilities.</li></ul><p><b>Preferred Skills (Good to Have)</b></p><ul><li>Experience in <b>Hyperledger Fabric, Quorum, or other private blockchain frameworks</b>.</li><li>Understanding of <b>financial services, supply chain, or enterprise-grade blockchain use cases</b>.</li><li>Knowledge of <b>regulatory and compliance aspects</b> in blockchain solutions.</li></ul><p><b>Education</b></p><ul><li>Bachelor&rsquo;s or Master&rsquo;s degree in <b>Computer Science, Software Engineering, Information Technology</b>, or a related field.</li></ul><p>Job Type: Full-time</p><p>Pay: Rs500,000.00 - Rs650,000.00 per month</p><p>Work Location: In person</p>

Senior Blockchain Developer (Corda Specialist)

<p><b>Job Description &ndash; Mid-level Blockchain Developer (Corda Specialist)</b></p><p><b>Position:</b> Mid-level Blockchain Developer<br/><b>Location:</b> Karachi (On-site, 9 AM &ndash; 5 PM)<br/><b>Experience Required:</b> 2&ndash;4 years in Blockchain Development (with proven hands-on Corda expertise)<br/><b>Employment Type:</b> Full-time</p><p><b>About the Role</b></p><p>We are looking for a <b>Mid-level Blockchain Developer</b> who is passionate about building enterprise-grade blockchain solutions using <b>Corda technology</b>. The ideal candidate should have solid hands-on experience in developing <b>CorDapps</b> and working with private blockchain frameworks. This role involves collaborating with senior engineers, business teams, and clients to deliver scalable and secure blockchain solutions.</p><p><b>Key Responsibilities</b></p><ul><li>Develop, test, and deploy <b>CorDapps</b> on the <b>Corda platform</b>.</li><li>Participate in the design and implementation of <b>private blockchain solutions</b> tailored to business use cases.</li><li>Work on <b>smart contracts, Corda flows, and state management</b>.</li><li>Assist in setting up and managing <b>Corda nodes</b> and networks.</li><li>Integrate blockchain applications with existing enterprise systems, APIs, and cloud platforms.</li><li>Collaborate closely with <b>senior developers, architects, and business analysts</b> to gather requirements and deliver solutions.</li><li>Ensure <b>code quality, security, and performance</b> across blockchain solutions.</li><li>Stay updated with emerging trends in <b>Corda, DLT, and private blockchain ecosystems</b>.</li></ul><p><b>Required Skills &amp; Qualifications</b></p><ul><li><b>2&ndash;4 years</b> of professional blockchain development experience.</li><li>At least <b>1&ndash;2 years of hands-on experience in R3 Corda (open-source or enterprise)</b>.</li><li>Proficiency in <b>Java and/or Kotlin</b> (Corda&rsquo;s core languages).</li><li>Understanding of <b>Corda architecture, contracts, flows, states, and vaults</b>.</li><li>Experience with <b>Spring Boot, REST APIs, and Microservices</b>.</li><li>Familiarity with <b>cryptography, consensus mechanisms, and security best practices</b>.</li><li>Working knowledge of <b>SQL databases (PostgreSQL, MySQL, Oracle)</b>.</li><li>Experience with <b>Git, CI/CD pipelines, and basic DevOps practices</b>.</li><li>Strong problem-solving skills and ability to work in a team environment.</li></ul><p><b>Preferred Skills (Good to Have)</b></p><ul><li>Exposure to other <b>private blockchain frameworks (e.g., Hyperledger Fabric, Quorum)</b>.</li><li>Experience in <b>financial services, supply chain, or enterprise business processes</b>.</li><li>Familiarity with <b>containerization tools (Docker, Kubernetes)</b>.</li></ul><p><b>Education</b></p><ul><li>Bachelor&rsquo;s degree in <b>Computer Science, Software Engineering, or related field</b>.</li></ul><p>Job Type: Full-time</p><p>Pay: Rs250,000.00 - Rs350,000.00 per month</p><p>Work Location: In person</p>

Mid-level Blockchain Developer (Corda Specialist)

eSpark Talent

<p><b>Senior Python Django Developer &ndash; Job Description</b></p><p>eSpark Talent is seeking a highly skilled and experienced Python Django Developer to join our team and contribute to the development of web applications.</p><p><b>Responsibilities:</b></p><ul><li>Design, develop, and maintain scalable and robust Python-based web applications using the Django framework.</li><li>Implement multi-tenancy architecture and SaaS (Software as a Service) solutions to meet the needs of diverse clients and users.</li><li>Design and build microservices-based architectures for improved scalability, modularity, and performance.</li><li>Integrate with online payment gateways to facilitate secure and seamless payment transactions within the applications.</li><li>Utilize Redis and Celery for efficient caching, task scheduling, and background processing in web applications.</li><li>Implement messaging and event-driven architecture using RabbitMQ for asynchronous communication between components.</li><li>Develop and consume RESTful APIs for seamless integration with external services and platforms.</li><li>Manage database systems, including schema design, optimization, and data migration tasks.</li><li>Deploy and orchestrate applications using Docker and Kubernetes for containerization and efficient resource management.</li><li>Conduct unit testing, integration testing, and performance testing to ensure the reliability, scalability, and security of applications.</li><li>Collaborate with cross-functional teams, including designers, product managers, and other developers, to deliver high-quality software solutions.</li></ul><p><b>Requirements:</b></p><ul><li>Proven experience as a Python Django Developer, with a focus on backend development.</li><li>Strong proficiency in Python programming language and the Django framework.</li><li>Experience with Redis, Celery, RabbitMQ, and RESTful API development.</li><li>Knowledge of multi-tenancy architecture, SaaS applications, and microservices design patterns.</li><li>Familiarity with database management systems such as PostgreSQL or MySQL.</li><li>Experience with Docker, Kubernetes, and containerization technologies.</li><li>Solid understanding of unit testing, integration testing, and software testing methodologies.</li><li>Strong problem-solving skills, attention to detail, and ability to work in a fast-paced environment.</li><li>Excellent communication skills and the ability to collaborate effectively with team members.</li></ul><p><b>Qualification: </b>Bachelor&rsquo;s degree in computer science, engineering, or related field.</p><p><b>Experience: </b>3 years of experience as a Python Django Developer</p><p><b>Location:</b> Gulistan-e-Jauhar Block 1</p><p><b>Job Type:</b> Full-time &ndash; Onsite</p><p>eSpark Consulting Group offers the following <b>benefits</b></p><ul><li>Paid Time Off</li><li>Flexible work hours</li></ul><p>Job Type: Full-time</p><p>Work Location: In person</p>

Senior Python Django 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><br>
SmartWorks is a division of N. Harris Computer Corporation. For over a decade, SmartWorks has been providing best-in-class meter data management and analytics solutions to more than 300 utilities throughout North America and the Caribbean.</div></div><div><div><br>
<br>
The Position:</div></div><div><div><br>
<br>
We are looking for a Senior Software Developer &ndash; Team Lead, who will be responsible for:</div></div><div></div><div><div><br>
Responsibilities include:</div></div><div><ul><li><div>
Conducting code reviews for all code the product&rsquo;s development team delivers to QA.</div></li></ul></div><div><ul><li><div>
Accountable for creating, reviewing and documenting system designs.</div></li></ul></div><div><ul><li><div>
Hands-on code development for highly responsive and resilient solutions.</div></li></ul></div><div><ul><li><div>
Caring deeply about user experiences, implementations, and the ongoing operational success that turns a product that customers need into a product they want for life.</div></li></ul></div><div><ul><li><div>
Distributing work for high velocity and quality deliverables, overseeing and mentoring developers within your team..</div></li></ul></div><div><ul><li><div>
Investigating customer tickets promptly where investigations were unresolvable by first-line support; working closely with customers verbally and in writing to resolve their reported issues.</div></li></ul></div><div><ul><li><div>
Ability to manage work items in tight deadlines and within a fixed R&amp;D release schedule.</div></li></ul></div><div><ul><li><div>
Diligence and attention to detail in the team&rsquo;s record-keeping within corporate systems.</div></li></ul></div><div><ul><li><div>
Participate in product evolution strategies.</div></li></ul></div><div><ul><li><div>
Doing whatever it takes to make the product or service useful, exciting, and successful.</div></li></ul></div><div><div>
The chosen individual will work out of the Contour Software Karachi resource center office, as an extension of the division-based R&amp;D department.</div></div><div></div><div><div><br>
<br>
Desired Skills and Responsibilities:</div></div><div><ul><li><div>
Bachelor's Degree in Information Systems, Computer Engineering or equivalent technical Degree; or equivalent combination of education and experience.</div></li></ul></div></div><div><div><ul><li><div>
8+ years of experience of developing enterprise applications using Java and JSP.</div></li></ul></div><div><ul><li><div>
5+ years of experience with HTML, CSS, and JavaScript/jQuery.</div></li></ul></div><div><ul><li><div>
Experience as a full stack developer with knowledge of OOP design patterns and their implementation.</div></li></ul></div><div><ul><li><div>
Experience writing SQL and stored procedures using PL/SQL (Oracle) and PL/pgSQL (PostgreSQL).</div></li></ul></div><div><ul><li><div>
Relational database design principles.</div></li></ul></div><div><ul><li><div>
Experience of creating and consuming REST APIs.</div></li></ul></div><div><ul><li><div>
Experience of using GIT as the source control.</div></li></ul></div><div><ul><li><div>
Strong analytical, organizational, written and verbal communication skills.</div></li></ul></div><div><ul><li><div>
Get it done&rsquo; mentality with a love for creative problem solving.</div></li></ul></div><div><ul><li><div>
Good verbal and written communications.</div></li></ul></div><div><ul><li><div>
Able to follow, document and deliver detailed written instructions.</div></li></ul></div><div><ul><li><div>
Prior experience of leading a team.</div></li></ul></div><div></div><div><div><br>
Nice to have:</div></div><div><ul><li><div>
Machine Learning.</div></li></ul></div><div><ul><li><div>
Python development experience.</div></li></ul></div><div><ul><li><div>
Data Science.</div></li></ul></div><div><ul><li><div>
Expertise in application security.</div></li></ul></div><div><ul><li><div>
Front-End Development using React</div></li></ul></div></div><div><div><ul><li><div>
Familiarity with using AI as part of a Software Development Lifecycle</div></li></ul></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 Software Developer - Team Lead

MS Global INC.

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

SENIOR FLUTTER DEVELOPER

AutoScale Ventures

<div><p><b>Location:</b> Remote (Pakistan)</p><p><b>
Job Type:</b> Full-time</p><p><b>
Work Schedule: </b>09:00AM-05:00PM (Pacific Standard Time)</p><p><b>
Role Overview:</b></p><p>
We're looking for a Senior Python Backend 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.</p><p><b>
Key Responsibilities:</b></p><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><p><b>
Requirements:</b></p><ul><li>
5+ 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><p><b>
Nice to Have:</b></p><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><p><b>
Benefits &amp; Perks:</b></p><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><p><b>
About Us:</b></p><p>
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:</p><ul><li><b>
VinAudit: </b>Vehicle history and market data provider</li><li><b>
Proxy Services: </b>High-speed private proxy solutions</li><li><b>
EliteWork: </b>Remote workforce platform and SaaS productivity tool</li><li><b>
Voliplex: </b>Long-term U.S. real estate investment firm</li></ul><p>
We're committed to building scalable, data-driven solutions and empowering a globally distributed team.</p><p><b>
Important Note:</b> Only those who are shortlisted will be contacted. We look forward to meeting the right person for this role!</p></div>

Senior Python Backend Developer

Explore 832+ Senior lead developer in Karachi this September. Find roles across top companies and apply now to boost your career.