android developer

wordpress developer

software engineer

.net developer

.net development

java developer

Auspak International- Karachi

Key Responsibilities:1. Design, develop, and maintain Spring Boot-based backend services.2. Implement and secure REST APIs with Spring Security (JWT, Role-based access).3. Work with microservices architecture, ensuring service-to-service communication via REST, Feign Client, RestTemplate, and WebClient.4. Develop and manage real-time communication using Socket Programming / WebSockets.5. Work with MySQL and PostgreSQL databases &ndash; including schema design, writing optimized queries, and using ORM (Hibernate/JPA).6. Deploy applications on Cloud environments (AWS, Digital Ocean, or equivalent).7. Collaborate with QA and business teams during UAT to ensure high-quality deliverables.8. Write clean, efficient, and testable code following best practices.9. Participate in Agile/Scrum ceremonies and contribute to sprint planning and retrospectives.Core Technical Skills:1. Strong knowledge of Core Java (Java 8+) &ndash; OOP, Collections, Streams, Exception Handling, Multi-threading.2. Hands-on experience with Spring Boot &ndash; REST APIs, Spring Data JPA, Hibernate, validation, and exception handling.3. Experience in Spring Security (JWT authentication &amp; authorisation).4. Knowledge of Socket programming / WebSockets for real-time communication.5. Experience with Microservices &ndash; service discovery, API gateway, configuration management.6. Proficiency in MySQL and PostgreSQL &ndash; database design, joins, indexing, and performance tuning.7. Hands-on with Cloud basics (Docker, CI/CD, cloud deployment).8. Familiar with communication between services (REST, Feign Client, RestTemplate, WebClient).9. Experience in UAT preparation &ndash; API documentation (OpenAPI), Postman collections.Qualifications<ul><li>Proficiency in Java and strong programming skills</li><li>Experience in software development with a focus on designing and implementing scalable solutions</li><li>Familiarity with the Spring Framework and expertise in developing applications using it</li><li>Knowledge of microservices architecture and its implementation</li><li>Strong analytical and problem-solving abilities</li><li>Excellent teamwork and communication skills</li><li>Bachelor&rsquo;s degree in Computer Science, Information Technology, or a related field is preferred</li><li>Prior experience with supply chain or factory automation systems is an advantage</li></ul>Job Type: Full-timeWork Location: In person

Java Developer

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

<div>The Senior Java Developer will play a critical role in designing, developing, and maintaining scalable and secure applications using Java and Spring Boot. This position requires a seasoned professional with 5+ years of hands-on experience in Java.
Responsibilities
<ul><li>Design, develop, and maintain secure and scalable applications in Java and Spring Boot.</li>
<li>Implement robust RESTful and SOAP APIs for seamless integration across services.</li>
<li>Employ microservices to enhance scalability and integration flexibility.</li>
<li>Work with JSON and XML to manage data interchange and serialization/deserialization effectively.</li>
<li>Use design patterns and architectural best practices to ensure efficient, maintainable code.</li>
<li>Lead system and component design reviews for compliance with standards.</li>
<li>Implement encryption protocols (e.g., AES, RSA, TLS) to secure data storage and transmission.</li>
<li>Ensure communication protocols are secure and compliant with industry standards.</li>
<li>Manage deployment processes, minimizing downtime and ensuring reliable rollback mechanisms.</li>
<li>Troubleshoot post-deployment issues and monitor system stability.</li>
<li>Build and manage CI/CD pipelines using Jenkins, GitLab CI, or GitHub Actions to automate testing and configuration management.</li>
<li>Develop schemas, optimize queries, and integrate with databases such as MySQL, PostgreSQL, and Oracle.</li>
<li>Experience with NoSQL databases (e.g., MongoDB, Redis) is beneficial.</li>
<li>Ensure secure communication standards, with knowledge of HTTP methods and status codes.</li>
<li>Conduct unit, integration, and functional testing with frameworks like JUnit and Mockito.</li>
<li>Work closely with cross-functional teams (Product, DevOps, QA) and mentor junior developers, promoting best practices in code quality and documentation.</li>
</ul>
Requirments
<ul><li>Java: Expertise in Java (preferably Java 11+).</li>
<li>Spring Framework: Advanced knowledge of Spring Boot, Spring Data, Spring Security, and Spring Cloud.</li>
<li>Design Patterns &amp; Microservices: In-depth understanding of design patterns and experience with microservices architectures.</li>
<li>APIs &amp; Data Formats: Proficiency with RESTful and SOAP APIs, JSON, and XML.</li>
<li>CI/CD Pipelines: Experience with Jenkins, GitLab CI, or GitHub Actions.</li>
<li>Database Management: Hands-on experience with relational databases and familiarity with NoSQL.</li>
<li>Version Control &amp; Testing: Git for version control; JUnit, Mockito for testing.</li>
<li>Cloud &amp; Containerization: Experience with cloud services such as AWS is highly desirable.</li>
<li>Proficiency with containerization and orchestration tools such as Docker and Kubernetes is preferable.</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 (QMS), ISO 27001:2022 (ISMS), ISO 20000-1:2018 (ITSM), ISO 14001:2015 (EMS), ISO 45001:2018 (OHSMS) Certified. We have a vibrant culture of learning via collaboration and making workplace fun.
People who work with us work with cutting-edge technologies while contributing success to the company as well as to themselves.
To know more about Confiz Limited, visit: https://www.linkedin.com/company/confiz-pakistan/</div>

Principal Java/Spring Boot Developer

<div>We are hiring a Principal Full Stack Architect (Java + React) with 7+ years of experience to design, develop, and maintain scalable software solutions for Supply Chain and warehouse management. The ideal candidate will have strong expertise in Java, Spring Boot, and React, along with cloud technologies, and the flexibility to work from 2 PM to 11 PM PKT to collaborate with global teams.
Responsibilities:
<ul><li>Develop full-stack software systems to support Supply Chain services and warehouse management.
</li><li>Design, architect, and implement frontend (React) and backend (Java/Spring Boot) solutions for complex business problems.
</li><li>Ensure the delivery of high-quality, scalable, and maintainable code with proper testing.
</li><li>Document system designs and technical specifications.
</li><li>Provide on-call support for production systems owned by the team.
</li></ul>Requirements:
<ul><li>5+ years of professional experience in full-stack development (Java + React).
</li><li>Strong proficiency in Backend: Java, Spring Boot, Microservices, REST APIs and Frontend: React.js, JavaScript/TypeScript, modern UI frameworks
</li><li>Experience with distributed systems and large-scale applications.
</li><li>Expertise in incident management, debugging, and root cause analysis.
</li><li>Hands-on experience with messaging systems (Kafka) and databases (SQL/NoSQL).
</li><li>Proficiency in cloud platforms (AWS, Kubernetes); GCP is a plus.
</li><li>Familiarity with CI/CD pipelines (GitLab, Terraform), logging (New Relic, Splunk), and observability tools.
</li><li>Ability to design and articulate scalable system architectures.
</li><li>Flexibility to work from 2 PM to 11 PM PKT for team collaboration.
</li><li>Prior experience in Supply Chain is a plus.
</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 (QMS), ISO 27001:2022 (ISMS), ISO 20000-1:2018 (ITSM), ISO 14001:2015 (EMS), ISO 45001:2018 (OHSMS) Certified. We have a vibrant culture of learning via collaboration and making workplace fun.
People who work with us work with cutting-edge technologies while contributing success to the company as well as to themselves.
To know more about Confiz Limited, visit: https://www.linkedin.com/company/confiz-pakistan/</div>

Principal Full-Stack Architect (Java + React)

<div>We are hiring a Senior/Principal Full Stack Engineer (Java + React) with 3-7 years of experience to design, develop, and maintain scalable software solutions for Supply Chain and warehouse management. The ideal candidate will have strong expertise in Java, Spring Boot, and React, along with cloud technologies, and the flexibility to work from 2 PM to 11 PM PKT to collaborate with global teams.
Responsibilities:
<ul><li>Develop full-stack software systems to support Supply Chain services and warehouse management.
</li><li>Design, architect, and implement frontend (React) and backend (Java/Spring Boot) solutions for complex business problems.
</li><li>Ensure the delivery of high-quality, scalable, and maintainable code with proper testing.
</li><li>Document system designs and technical specifications.
</li><li>Provide on-call support for production systems owned by the team.
</li></ul>Requirements:
<ul><li>3-7 years of professional experience in full-stack development (Java + React).
</li><li>Strong proficiency in Backend: Java, Spring Boot, Microservices, REST APIs and Frontend: React.js, JavaScript/TypeScript, modern UI frameworks
</li><li>Experience with distributed systems and large-scale applications.
</li><li>Expertise in incident management, debugging, and root cause analysis.
</li><li>Hands-on experience with messaging systems (Kafka) and databases (SQL/NoSQL).
</li><li>Proficiency in cloud platforms (AWS, Kubernetes); GCP is a plus.
</li><li>Familiarity with CI/CD pipelines (GitLab, Terraform), logging (New Relic, Splunk), and observability tools.
</li><li>Ability to design and articulate scalable system architectures.
</li><li>Flexibility to work from 2 PM to 11 PM PKT for team collaboration.
</li><li>Prior experience in Supply Chain is a plus.
</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 (QMS), ISO 27001:2022 (ISMS), ISO 20000-1:2018 (ITSM), ISO 14001:2015 (EMS), ISO 45001:2018 (OHSMS) Certified. We have a vibrant culture of learning via collaboration and making workplace fun.
People who work with us work with cutting-edge technologies while contributing success to the company as well as to themselves.
To know more about Confiz Limited, visit: https://www.linkedin.com/company/confiz-pakistan/</div>

Senior/Principal Fullstack Engineer (Java+React)

Careem

<div>
 
 About the Company
 
 
 
 Careem is building the Everything App for the greater Middle East &mdash; making it easy to move around, order food and groceries, manage payments, and more. Our purpose is simple: to simplify and improve people&rsquo;s lives and build an awesome organisation that inspires.
 
 
 Since 2012, Careem has enabled earnings for over 2.5 million Captains, simplified the lives of more than 70 million customers, and built a platform where the region&rsquo;s best talent and entrepreneurs thrive. We operate in 70+ cities across 10 countries, from Morocco to Pakistan.
 
 
 
 
 We&rsquo;re now entering our next chapter &mdash; one powered by AI. We&rsquo;re looking for AI talent: curious problem-solvers who know how to apply AI to build tools, automate workflows, and create real impact. Whether it&rsquo;s streamlining operations, enhancing customer experience, or reimagining internal systems &mdash; we want people who can make Careem work smarter and move faster.
 
 
 
 
 By applying here you will be considered for multiple similar positions within Careem across several teams and if you are successful we will match you to the best fit role based on your career and personal preferences.
 
 
 
 What You'll Do
 
 
 
 <ul>
 <li>
 Work closely with other engineers on the team to build highly scalable and robust backend applications and services.
 </li>
 <li>
 Write high quality, performant and reliable code while working on defined tasks/bugs independently.
 </li>
 <li>
 Work independently to understand functional specifications and deliver complete features.
 </li>
 <li>
 Participate in the on-call rotation and be willing to jump in and help resolve any incidents within the defined SLA.
 </li>
 <li>
 Participate in team agile and engineering practices and contribute to their continuous evolution.
 
 
 </li>
 </ul>
 
 What You'll Need
 
 
 
 <ul>
 <li>
 4+ years of professional software development experience.
 </li>
 <li>
 Bachelor's Degree in Computer Science or other related technical field.
 </li>
 <li>
 Working experience with at least one modern object-oriented programming language such as Java, C#, C++, Golang, Kotlin.
 </li>
 <li>
 Working knowledge of Computer Science fundamentals including: object-oriented design, data structures and algorithms.
 </li>
 <li>
 Experience operating online systems reliably including deploying changes to production in live systems.
 
 
 </li>
 </ul>
 
 Preferred Skills &amp; Qualifications
 
 
 
 <ul>
 <li>
 Master's Degree in Computer Science or other related technical field.
 </li>
 <li>
 Experience with Java Spring, Golang and Cloud platforms such as Azure, Google Cloud Platform and AWS.
 </li>
 <li>
 Experience working with container technology including Docker and Kubernetes.
 </li>
 <li>
 Experience working with relational and non-relational database systems.
 </li>
 <li>
 Experience applying professional software engineering best practices, including coding standards, code reviews, source control management, build processes, testing, and operations.
 </li>
 </ul>
</div>

Senior Software Engineer I - Backend

Limton Group of Companies

We are looking for an Android developer responsible for the development and maintenance of application aimed at a vast number of diverse Android devices. Your primary focus will be the development of Android applications and their integration with back-end services.Qualification: <ul><li>Bachelor's degree in CS /Expertise in android Development.</li></ul>Mandatory:<ul><li>Good Experience in Microsoft androidStudio with Java and Kotllin, Expereince in flutter will be a plus point.</li><li>Good Knowledge of App, Json &amp; SDK.</li></ul>Experience: <ul><li>At least 02 years experience in Android Development.</li></ul>Responsibilities: <ul><li>Design, build &amp; maintain Mobile App according to requirement.</li><li>Trouble shooting of existing application.</li><li>Customization in existing mobile apps.</li><li>Help maintain code quality, organization &amp; automatization.</li></ul>Skills: <ul><li>Strong knowledge about different versions of Android, and how to deal with it, also hands on experience on Flutter.</li><li>Familiarity with Jason &amp; SDK.</li><li>API's to connect Android applications to back-end services.</li><li>Strong Knowledge of Android UI design principles, patterns, and the best practices.</li><li>Ability to understand business requirements and translate them into tech.</li></ul>Mandotary Hands on Experience: <ul><li>Flutter</li><li>Dart</li><li>Kotlin , Java</li><li>React Native</li></ul>Contact on: +92349-3531183Location: Karachionly those candidate apply who have 02 years of experience. Job Type: Full-timePay: Rs60,000.00 - Rs80,000.00 per monthExperience:<ul><li>Android Developer: 1 year (Preferred)</li></ul>Work Location: In person

Android Developer

Explore 69+ Java developer in Karachi this February. Find roles across top companies and apply now to boost your career.