full stack developer

.net developer

backend developer

java developer

oracle apex developer

api developer

Squarera

We are seeking an experienced MuleSoft Developer to design, develop, and implement integration solutions using MuleSoft Anypoint Platform. The ideal candidate should have a solid background in API-led connectivity, system integration, and data transformation, along with a good understanding of enterprise architecture and cloud platforms.You will be responsible for building scalable, secure, and high-performance APIs that connect various enterprise applications and systems across business domains such as Automotive, Sales &amp; Marketing, and Oil &amp; Gas.Key Responsibilities:<ul><li>Design, develop, and maintain MuleSoft integrations and API-led connectivity solutions (System, Process, and Experience APIs).</li><li>Build and deploy APIs using Anypoint Studio and Anypoint Platform.</li><li>Develop and maintain RAML specifications, API proxies, and policies in API Manager.</li><li>Integrate applications, databases, and external systems across Salesforce, SAP, Oracle, and cloud environments (AWS/Azure/GCP).</li><li>Perform data mapping, transformation, and orchestration using MuleSoft components and DataWeave.</li><li>Implement and manage error handling, logging, and security (OAuth2, JWT, TLS).</li><li>Collaborate with cross-functional teams to gather requirements, design technical solutions, and deliver high-quality integrations.</li><li>Monitor and optimize performance of Mule applications and troubleshoot integration issues.</li><li>Follow CI/CD best practices for deployment and version control (Git, Jenkins, or Azure DevOps).</li></ul>Required Skills &amp; Experience:<ul><li>2&ndash;4 years of hands-on experience with MuleSoft Anypoint Platform (Mule 4 preferred).</li><li>Strong knowledge of API design principles, REST/SOAP, and microservices architecture.</li><li>Proficiency in DataWeave, RAML, and Mule flows development.</li><li>Experience with API security, access management, and OAuth2/JWT.</li><li>Familiarity with Salesforce, SAP, or other enterprise applications integration.</li><li>Understanding of cloud environments (AWS, Azure, or GCP).</li><li>Experience with CI/CD pipelines, Git, and Jenkins.</li><li>Strong problem-solving skills, analytical mindset, and attention to detail.</li></ul>Preferred Qualifications:<ul><li>MuleSoft Certified Developer &ndash; Level 1 (Mule 4) or higher.</li><li>Knowledge of Docker, Kubernetes, or Anypoint Runtime Fabric.</li><li>Experience with message queues (Kafka, RabbitMQ) or event-driven architecture.</li><li>Exposure to Salesforce Data Cloud or other CRM systems.</li></ul>Benefits:<ul><li>Market-competitive salary</li><li>Opportunity for international travel</li><li>Medical coverage</li><li>Annual performance-based bonus</li><li>Collaborative and innovative work environment</li></ul>Job Type: Full-timeWork Location: In person

MuleSoft Developer

TECIZ EVERYHTING

Job descriptionTeciz Everything is an innovative company dedicated to delivering top-quality software solutions. We are looking for a talented and motivated Node.js Backend Developer to join our growing team. This is a great opportunity to enhance your skills and contribute to exciting projects.Description:We are seeking a skilled Node.js Backend Developer to develop and maintain server-side applications. The ideal candidate will have a strong understanding of backend development and be able to work effectively in a collaborative team environment.Key Responsibilities:<ul><li>Develop and maintain server-side applications using Node.js.</li><li>Design and implement RESTful APIs to support front-end functionality.</li><li>Write reusable, testable, and efficient code.</li><li>Ensure optimal performance and responsiveness of applications.</li><li>Integrate data storage solutions, including databases and caching mechanisms.</li><li>Troubleshoot and debug applications to optimize performance.</li><li>Collaborate with front-end developers to integrate user-facing elements with server-side logic.</li><li>Participate in code reviews and contribute to the continuous improvement of our development processes.</li><li>Stay updated with the latest industry trends and technologies.</li></ul>Requirements:<ul><li>Bachelor&rsquo;s degree in Computer Science, Information Technology, or a related field.</li></ul>One year professional Experience in Node JS.<ul><li>Strong understanding of JavaScript and asynchronous programming.</li><li>Experience with RESTful APIs and API integration.</li><li>Knowledge of database systems such as MongoDB, MySQL, or PostgreSQL.</li><li>Proficient understanding of code versioning tools, such as Git.</li><li>Excellent problem-solving skills and attention to detail.</li><li>Strong communication and teamwork skills.</li><li>Familiarity with front-end technologies (e.g., HTML, CSS, JavaScript frameworks like React or Angular) is a plus.</li></ul>If you are a passionate Node.js Backend Developer looking to advance your career, we would love to hear from you! Please send your resume and a brief cover letter to Hr@tecizeverything.comJob Type: Full-timePay: Rs45,000.00 - Rs60,000.00 per monthWork Location: In person

Node.js Developer

Quanrio LLP

We are seeking a talented Node.js Backend Developer to join our growing development team. The ideal candidate will have a strong foundation in backend development, database management, and API design. This role offers the opportunity to work on scalable and performance-oriented systems while contributing to innovative projects.Key Responsibilities:<ul><li>Develop, test, and maintain backend services and APIs using Node.js.</li><li>Collaborate with frontend and product teams to integrate user-facing elements with server-side logic.</li><li>Work with both relational (MySQL, PostgreSQL) and non-relational (MongoDB, DynamoDB) databases.</li><li>Ensure code quality through testing, debugging, and reviews.</li><li>Implement secure and reliable authentication/authorization systems.</li><li>Monitor and optimize backend performance for scalability and responsiveness.</li><li>Maintain documentation for services and APIs.</li></ul>Qualifications:<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field.</li></ul>1&ndash;2 years of professional experience in backend development with Node.js.<ul><li>Strong knowledge of Express.js or NestJS.</li><li>Hands-on experience with REST APIs.</li><li>Good understanding of relational and non-relational databases.</li><li>Familiarity with Git and collaborative workflows.</li><li>Strong problem-solving, debugging, and analytical skills.</li></ul>Good to Have (Bonus Points):<ul><li>Exposure to GraphQL.</li><li>Familiarity with Docker and basic cloud services (AWS, GCP, Azure).</li><li>Understanding of caching (Redis, Memcached).</li><li>Exposure to CI/CD pipelines and DevOps practices.</li><li>Familiarity with microservices and message queues.</li></ul>Location: Gulshan-e-Iqbal, Karachi. Job type: Full time - Onsite Timings: Morning shiftJob Type: Full-timePay: Rs120,000.00 - Rs150,000.00 per monthWork Location: In person

Backend Developer

Xperlabs

Senior Django Developer (Onsite | 3 PM &ndash; 11 PM)Location: PECHS Block 2, Karachi Company: XperLabs Job Type: Full-time (Onsite) Schedule: 3:00 PM &ndash; 11:00 PMJob SummaryXperLabs is a fast-growing digital agency specializing in design, web development, and SaaS solutions for global clients. We are looking for a Senior Django Developer with at least 5 years of experience in Python, Django, SQL, and PostgreSQL. The ideal candidate will lead backend projects, build scalable APIs, and optimize database performance while collaborating closely with frontend and product teams.Responsibilities<ul><li>Develop, maintain, and optimize backend applications using Django and Django REST Framework.</li><li>Design, manage, and optimize PostgreSQL/SQL databases for scalability and performance.</li><li>Build and integrate RESTful APIs with frontend applications (React/Next.js).</li><li>Implement robust authentication systems (JWT, OAuth).</li><li>Conduct code reviews and mentor junior developers.</li><li>Collaborate with designers and frontend developers for seamless integration.</li><li>Ensure code quality, performance, and security best practices.</li></ul>Qualifications<ul><li>5+ years of professional experience with Django and Python.</li><li>Strong expertise in PostgreSQL and SQL (advanced queries, indexing, optimization).</li><li>Experience with Django REST Framework and API integrations.</li><li>Familiarity with frontend technologies like React or Next.js (preferred).</li><li>Solid understanding of software architecture and version control (Git).</li><li>Excellent problem-solving, debugging, and communication skills.</li></ul>Job Details<ul><li>Experience Level: Senior</li><li>Employment Type: Full-time (Onsite only)</li><li>Shift Timing: 3:00 PM &ndash; 11:00 PM</li><li>Location: PECHS Block 2, Karachi</li></ul>Benefits<ul><li>Competitive salary based on experience</li><li>Performance-based bonuses</li><li>Growth and leadership opportunities</li><li>Friendly and collaborative work culture</li></ul>Job Type: Full-timePay: Rs150,000.00 - Rs4,500,000.00 per monthApplication Question(s):<ul><li>What is your expected monthly salary (in PKR)?</li></ul>Education:<ul><li>Bachelor's (Preferred)</li></ul>Experience:<ul><li>PostgreSQL or SQL: 3 years (Preferred)</li><li>Django and Django REST Framework: 3 years (Preferred)</li></ul>Work Location: In person

Senior Django Developer (Full-Time, Onsite – 3 PM to 11 PM)

Digitizal Pakistan

Digitizal is looking for a skilled Backend Developer with strong expertise in Core PHP and Laravel. If you are passionate about backend development, love solving complex problems, and want to work on global-scale hosting &amp; cloud projects, we want to hear from you! (Knowledge of CodeIgniter will be considered a plus.)Key Responsibilities:<ul><li>Develop, maintain, and enhance backend applications, APIs, and dashboards.</li><li>Write clean, secure, and scalable code using Core PHP and Laravel.</li><li>Work with MySQL databases and ensure efficient server-side logic.</li><li>Collaborate with the front-end team to integrate user-facing elements.</li><li>Optimize applications for speed, performance, and security.</li><li>Troubleshoot, debug, and upgrade existing systems.</li></ul>Requirements:<ul><li>Proven experience as a Backend Developer.</li><li>Strong hands-on expertise in Core PHP and Laravel.</li><li>Knowledge of CodeIgniter (a plus, not mandatory).</li><li>Strong skills in HTML, CSS &amp; JavaScript.</li><li>Strong hands-on expertise in REST APIs and database design.</li><li>Familiarity with performance &amp; speed optimization techniques.</li><li>Ability to work independently and manage tasks effectively.</li></ul>Perks &amp; Benefits:<ul><li>Competitive salary (based on experience).</li><li>Flexible working environment.</li><li>Opportunity to work on international hosting &amp; cloud projects.</li></ul>Job Type: Full-timePay: Rs35,000.00 - Rs55,000.00 per monthWork Location: In person

Core PHP and Laravel Developer

SOC Solutions LLC

Role: Senior Backend Engineer (Nest.js)Overview:We are hiring a Senior Backend Engineer with deep expertise in Nest.js and scalable API architectures. You will lead the design of robust services, ensure code quality, and optimize performance for production workloads.Core Responsibilities:<ul><li>Architect and implement REST APIs with Nest.js and TypeScript.</li><li>Design database models and integrations (PostgreSQL, Prisma, Redis, etc.).</li><li>Implement authentication, authorization, and rate-limiting strategies.</li><li>Maintain CI/CD workflows, testing, and monitoring pipelines.</li><li>Collaborate with DevOps to ensure seamless deployment on AWS or similar platforms.</li></ul>Requirements:<ul><li>7+ years backend experience, including 3+ with Nest.js.</li><li>Expert-level TypeScript skills.</li><li>Proven track record building production APIs at scale.</li><li>Strong testing mindset and documentation discipline (OpenAPI/Swagger).</li><li>Excellent Git, branch strategy, and PM tool usage.</li></ul>Job Type: Full-timeAbility to commute/relocate:<ul><li>Karachi: Reliably commute or planning to relocate before starting work (Required)</li></ul>Application Question(s):<ul><li>How much is your expected Salary for this role?</li></ul>Experience:<ul><li>Backend Development: 7 years (Required)</li><li>Nest.IS: 4 years (Required)</li></ul>Work Location: In person

Backend Developer (Nest.js)

Netline (Pvt.) Ltd

Position OverviewWe are looking for a Backend Developer who has strong expertise in Node.js, Express, and cloud-based backend architecture, with a good understanding of React for full-stack collaboration. The ideal candidate will be responsible for developing efficient APIs, integrating with cloud infrastructure, managing data flows, and ensuring application scalability and security.Key Responsibilities<ul><li>Design, build, and maintain backend services using Node.js and Express.js.</li></ul><ul><li>Collaborate with front-end developers working in React to integrate APIs and optimize data exchange.</li></ul><ul><li>Implement RESTful APIs for internal and external services.</li></ul><ul><li>Work with cloud platforms (AWS / GCP / Azure) to deploy, monitor, and scale applications is a bonus.</li></ul><ul><li>Manage databases (SQL/NoSQL) for performance and reliability.</li></ul><ul><li>Ensure security, reliability, and performance best practices across the backend.</li></ul><ul><li>Integrate third-party APIs, cloud storage, and IoT services where needed.</li></ul><ul><li>Participate in architecture discussions, code reviews, and agile development cycles.</li></ul><ul><li>Maintain clear technical documentation and version control (Git).</li></ul>Required Skills &amp; Qualifications<ul><li>1&ndash;3 years of professional experience in backend development.</li></ul><ul><li>Strong proficiency in JavaScript (ES6+), Node.js, and Express.js.</li></ul><ul><li>Familiarity with React.js and front-end integration.</li></ul><ul><li>Experience with cloud development (AWS, Google Cloud, or Azure).</li></ul><ul><li>Hands-on experience with REST APIs, JWT authentication, and middleware.</li></ul><ul><li>Proficient with, PostgreSQL, or MySQL.</li></ul><ul><li>Strong understanding of Git..</li></ul><ul><li>Excellent problem-solving and debugging skills.</li></ul>What We Offer<ul><li>Competitive salary and performance-based incentives.</li></ul><ul><li>Collaborative and innovative work environment.</li></ul><ul><li>Opportunities for growth.</li></ul><ul><li>Chance to work on cutting-edge industrial and IoT-driven platforms.</li></ul>Job Type: Full-timePay: Rs50,000.00 - Rs70,000.00 per monthWork Location: In person

Explore 214+ Api developer in Karachi this November. Find roles across top companies and apply now to boost your career.

214 api developer jobs IN Karachi

MuleSoft Developer

Node.js Developer

Backend Developer

Senior Django Developer (Full-Time, Onsite – 3 PM to 11 PM)

Core PHP and Laravel Developer

Backend Developer (Nest.js)

Backend Developer