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senior full stack developer Jobs in Karachi

senior full stack developer

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Soft Nation Technologies

Soft Nation Technologies is looking for Jr Full Stack Developer to join the team!Requirements:<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field.</li><li>1&ndash;2 years of experience as a Full Stack Developer or in a similar role.</li><li>Strong proficiency in PHP (Laravel framework) and React.js.</li><li>Good understanding of MySQL, JavaScript (ES6+), HTML5, and CSS3.</li><li>Familiarity with RESTful APIs, Git, and modern development workflows.</li><li>Basic understanding of cloud platforms or deployment tools (e.g., AWS, cPanel, or Docker) is a plus.</li><li>Strong problem-solving skills and attention to detail.</li></ul>Location: Gulshan-e-Iqbal, karachi Timings: 12pm-9pmJob Type: Full-timePay: Rs50,000.00 - Rs80,000.00 per monthApplication Question(s):<ul><li>Can you join immediately?</li></ul>Work Location: In person

Jr Full Stack Developer

Stifftech Solutions Private Limited

Key Responsibilities:<ul><li>Develop, test, and maintain dynamic web applications using PHP and related frameworks (Laravel, CodeIgniter, etc.).</li><li>Write clean, efficient, and reusable code following best practices.</li><li>Integrate user-facing elements developed by front-end developers with server-side logic.</li><li>Work with databases such as MySQL/PostgreSQL, ensuring data integrity and security.</li><li>Collaborate with cross-functional teams (designers, front-end developers, QA, etc.) to deliver projects on time.</li><li>Debug, troubleshoot, and upgrade existing systems and applications.</li><li>Implement RESTful APIs and third-party integrations as required.</li><li>Stay updated with emerging web technologies and propose improvements to enhance development processes.</li></ul>Requirements:<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or related field.</li><li>Proven experience as a PHP Developer (1 year preferred).</li><li>Strong knowledge of PHP frameworks (Laravel, CodeIgniter, or similar).</li><li>Solid understanding of object-oriented programming (OOP).</li><li>Experience in working with APIs and web services .</li><li>Proficiency in MySQL/PostgreSQL database design and queries.</li></ul>Job Type: Full-timePay: Rs25,000.00 - Rs30,000.00 per monthWork Location: In person

Junior PHP Developer

Leopards Courier Services

Design, develop &amp; maintain apps in C#, ASP.NET Core/MVC, EF- Build/consume REST APIs (JWT, OAuth)- Write optimized queries, views, stored procs in SQL/MySQL- Apply OOP &amp; clean coding practices- UI with JS/jQuery, HTML, CSS- Manage deployments on IIS- Agile ceremonies &amp; teamwork- Unit testing &amp; Git version controlsJob Requirements:Expertise on following:Strong C#, ASP.NET Core/MVC, EF- Hands-on Web API, JWT, OAuth- SQL Server/MySQL proficiency- Strong OOP concepts- Frontend skills (JS/jQuery, HTML, CSS)- IIS deployment knowledge- Familiar with Agile, Git, testing- Strong analytical &amp; problem-solvingGood to Have:- SOLID principles &amp; design patterns- CI/CD pipeline experience- Node.js exposureJob Type: Full-timePay: Rs90,000.00 - Rs100,000.00 per monthEducation:<ul><li>Bachelor's (Required)</li></ul>Experience:<ul><li>Data Base: 1 year (Preferred)</li><li>MVC: 1 year (Required)</li><li>SQL: 1 year (Required)</li><li>Java: 1 year (Required)</li><li>C#: 1 year (Required)</li></ul>Work Location: In person

Junior Dot Net Developer

Systems Limited

Summary: 
We are looking for a highly skilled Java Developer to oversee and drive the development of scalable, high-performance applications. The ideal candidate will have strong expertise in Java, Spring Boot, Microservices, and Cloud Technologies, along with a proven ability to lead development teams and deliver complex projects.
 
Key Responsibilities: 
Lead the design, development, and deployment of high-quality Java-based applications.
 Architect and implement scalable, secure, and high-performance microservices using Spring Boot.
 Drive best practices in coding, testing, and software development life cycle (SDLC) processes.
 Collaborate with cross-functional teams (Product, DevOps, QA) to define and deliver technical solutions.
 Mentor and guide junior developers, ensuring code quality through reviews and best practices.
 Oversee API development, database integration, and third-party system integrations.
 Ensure adherence to CI/CD pipelines, DevOps practices, and cloud deployment strategies (AWS/Azure/GCP).
 Stay updated with emerging technologies, industry trends, and bring innovative solutions to the team.
 
Key Requirements: 
8+ years of experience in Java development, with at least 2+ years in a leadership role.
 Expertise in Java 8+, Spring Boot, Spring MVC, Spring Security, Hibernate/JPA.
 Strong knowledge of Microservices Architecture, RESTful APIs, and event-driven systems (Kafka, RabbitMQ).
 Experience with Relational (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Cassandra).
 Hands-on experience with Cloud platforms (AWS, Azure, GCP) and containerization tools (Docker, Kubernetes).
 Proficiency in CI/CD pipelines and DevOps tools (Jenkins, Git, Terraform).
 Strong problem-solving, analytical, and decision-making skills.
 Excellent communication, leadership, and stakeholder management skills.
 Hands-on experience with AI/ML integration in Java applications is a plus.

Senior Consultant - Application Development

Confiz

<div>We at Confiz are hiring for a Java Developer with 5+ years of experience. The ideal candidate will be a Java expert with a primary focus on building secure, scalable applications. They will also be responsible for maintaining existing systems, mentoring junior developers, and collaborating with cross-functional teams.
Responsibilities
<ul><li>Design, develop, and maintain secure, scalable applications using Java (11+) and Spring Boot.</li>
<li>Build robust RESTful and SOAP APIs as well as microservices for seamless integration.</li>
<li>Ensure best practices in design, architecture, and coding standards.</li>
<li>Work with JSON and XML for data interchange and handle serialization/deserialization.</li>
<li>Implement and manage encryption/decryption mechanisms (AES, RSA, TLS) for secure storage and communication.</li>
<li>Oversee production deployments, ensuring zero downtime and rollback mechanisms.</li>
<li>Manage CI/CD pipelines using Jenkins, GitLab CI, or GitHub Actions with automated testing and configuration management.</li>
<li>Develop database schemas, write optimized queries, and manage integrations with relational databases (MySQL, PostgreSQL, Oracle).</li>
<li>Familiarity with NoSQL databases such as MongoDB, Redis, or Cassandra is a plus.</li>
<li>Strong understanding of HTTP/HTTPS protocols, methods, and secure communication standards.</li>
<li>Implement unit, integration, and functional testing using frameworks like JUnit and Mockito.</li>
<li>Write and maintain thorough test cases to ensure quality and functionality.</li>
<li>Work closely with Product, QA, and DevOps teams to achieve project goals.</li>
<li>Mentor junior developers on coding, documentation, and testing best practices.</li>
</ul>
Required Skills
<ul><li>A strong candidate will have a bachelor&rsquo;s degree in computer science (or related discipline) with a minimum of 5 years of hands-on experience in Java.</li>
<li>Experience: 5+ years of hands-on experience in Java (preferably Java 11 or later).</li>
<li>Education: Bachelor&rsquo;s degree in computer science or related field.</li>
<li>Core Skills: Java, Spring Boot, Spring Security, Spring Data, Spring Cloud, REST/SOAP APIs, JSON/XML, Microservices, HTTP/HTTPS protocols, Encryption/Decryption (AES, RSA, TLS), JUnit, Mockito, Git.</li>
<li>Database: MySQL, PostgreSQL, Oracle; familiarity with NoSQL databases (MongoDB, Redis, Cassandra).</li>
<li>CI/CD Tools: Jenkins, GitLab CI, GitHub Actions.</li>
<li>Cloud: AWS experience is highly desirable.</li>
<li>Tools: Git, JIRA, Confluence, or similar collaboration tools.</li>
<li>Containerization with Docker and orchestration with Kubernetes.</li>
<li>Exposure to Agile/Scrum methodologies.</li>
</ul>
We have an amazing team of 700+ individuals working on highly innovative enterprise projects &amp; products. Our customer base includes Fortune 100 retail and CPG companies, leading store chains, fast-growth fintech, and multiple Silicon Valley startups. What makes Confiz stand out is our focus on processes and culture. Confiz is ISO 9001:2015, 27001:2013 &amp; 20000-1:2018 certified. We have a vibrant culture of learning via collaboration and making the workplace fun. People who work with us work with cutting-edge technologies while contributing success to the company as well as to themselves.</div>

Senior Java/Spring Boot Developer

Sofstica

At Sofstica, we are looking for Junior SQA Engineer. Prior experience in QA is a must have! This is a Karachi based, full-time, onsite role.Responsibilities:Key duties associated with this position will include the following:<ul><li>Test Execution: Execute test cases, including functional, regression, and performance tests, manually and through automation tools.</li><li>Test Case Creation: Create and maintain test cases based on project requirements and specifications.</li><li>Defect Reporting: Identify, document, and track software defects, providing clear and detailed information to development teams.</li><li>Test Environment: Set up and configure testing environments to simulate real-world scenarios.</li><li>Documentation: Maintain organized documentation of test cases, test results, and testing processes.</li><li>Performance Testing: Assist in performance testing activities to assess software scalability and responsiveness. Security Testing: Participate in security testing efforts to identify vulnerabilities and ensure data protection.</li><li>Collaboration: Collaborate with cross-functional teams, including developers and product managers, to ensure effective communication and issue resolution.</li><li>Continuous Learning: Stay updated with QA methodologies, testing tools, and industry best practices, seeking opportunities for professional growth and skill development.</li></ul>Attributes we are looking for:&middot; 6&ndash;8 months of experience in SQA&middot; Bachelor&rsquo;s degree in Computer Science&middot; Strong academic background.&middot; Sharp and Intelligent&middot; Quick Learner and proactiveJob Type: Full-timeApplication Question(s):<ul><li>What is your CGPA</li><li>Have you graduated recently? If Yes, From which university.</li></ul>Education:<ul><li>Bachelor's (Required)</li></ul>Location:<ul><li>Karachi (Required)</li></ul>Work Location: In person

Junior SQA Engineer

STRABL

STRABL is looking for a Senior Java Developer to join our high-performing fintech engineering team. This role is ideal for someone who has built secure, scalable systems at a fast-moving fintech startup and is ready to help shape the future of financial infrastructure.You'll work on a modern tech stack, lead critical backend development, and play a central role in our product evolution. If you're excited by complex systems, ownership, and building things that matter &mdash; we'd love to talk.Key Responsibilities:<ul><li>Design, develop, and maintain backend services and APIs using Java (preferably Java 11 or newer) and the Spring ecosystem (Spring Boot, Spring Data, Spring Security).</li><li>Architect and manage distributed microservices using tools like Spring Cloud, Mongo, Mysql and Redis, ensuring scalability, resilience, and high performance.</li><li>Have knowledge and build the multi tenant systems</li><li>Collaborate closely with product, design, and QA teams to deliver features from concept to production in short release cycles.</li><li>Write clean, maintainable, and testable code with strong emphasis on domain-driven design, SOLID principles, and test automation (JUnit, Testcontainers, Mockito).</li><li>Integrate with third-party fintech services such as payment gateways, fraud detection systems, open banking APIs, and KYC providers.</li><li>Implement secure coding practices and ensure compliance with industry standards like PCI DSS, GDPR, and ISO 27001.</li><li>Deploy and monitor services using Docker, GitHub Actions, Prometheus, Grafana, and centralized logging tools (ELK, Loki, or Datadog).</li><li>Participate in technical design reviews and drive architectural decisions to improve codebase quality, system performance, and developer experience.</li><li>Mentor junior and mid-level engineers through code reviews, design sessions, and knowledge sharing.</li><li>Leverage cloud infrastructure (preferably AWS) to build and manage services using EC2, RDS, S3, Secrets Manager, and event-driven architecture (SQS, SNS, Lambda).</li><li>Stay up-to-date with fintech trends and challenges &mdash; prior experience at a fintech startup is a must.</li></ul>What We&rsquo;re Looking For:<ul><li>5+ years of professional experience building production-grade Java applications</li><li>Proven experience working in a fintech startup or high-growth financial product team</li><li>Strong understanding of multi-tenant, backend architecture, microservices, event-driven, and distributed systems</li><li>Deep knowledge of Java, Spring Boot, SQL/NoSQL (Mysql, MongoDB), REST APIs</li><li>Hands-on experience with secure API design, data encryption, and compliance protocols</li><li>Familiarity with DevOps practices, CI/CD pipelines, and container orchestration (Docker, K8s)</li><li>Comfortable with fast-paced environments, ambiguity, and high ownership roles</li><li>Excellent communication skills and a collaborative mindset and should be proficient in speaking/writing in English</li></ul>Nice to Have:<ul><li>Experience with event-driven systems, Kafka, or RabbitMQ</li><li>Familiarity with fintech flows like transaction reconciliation, payment orchestration, or virtual wallets</li><li>Exposure to OpenAPI, Swagger, or Postman collections</li><li>Experience with observability tools like Grafana or OpenTelemetry</li></ul>Why Join STRABL?<ul><li>Competitive salary with performance-based bonuses</li><li>Attractive equity options to share in the company&rsquo;s success</li><li>Flexible remote-first work culture</li><li>Flexible working hours to support a healthy work-life balance</li><li>Opportunity to work on cutting-edge fintech solutions that impact millions of users</li><li>A collaborative, inclusive team where your contributions make a difference</li><li>Continuous learning and professional development opportunities</li></ul>How to Apply:If this sounds like you, we&rsquo;d love to hear from you, but please take the time to read the job description carefully before applying. We&rsquo;re looking for people who are genuinely aligned with the role and excited by what we&rsquo;re building in the MENA region for the world.Apply here: https://forms.fillout.com/t/aWnSPDr9y2usJob Type: Full-timeExperience:<ul><li>Springboot: 5 years (Required)</li></ul>Language:<ul><li>English (Required)</li></ul>

Senior Java Developer

Explore 341+ Junior java developer in Karachi this October. Find roles across top companies and apply now to boost your career.