senior software engineer Jobs in Islamabad

senior software engineer

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En Route Technologies Pakistan

<p>We are looking for a <b>Java Developer</b> with 3+ years experience in <b>Spring Boot</b>, <b>Hibernate</b>, and core Java technologies. The ideal candidate will play a key role in developing and maintaining scalable backend systems, RESTful APIs, and enterprise-level applications.</p><p><b>Key Responsibilities:</b></p><ul><li>Design, develop, and maintain Java-based applications using Spring Boot and Hibernate</li><li>Write clean, efficient, and testable code</li><li>Develop and integrate REST APIs with front-end systems</li><li>Optimize application performance, scalability, and reliability</li><li>Work collaboratively with front-end developers, QA teams, and project managers</li><li>Participate in code reviews, architecture discussions, and team mentorship</li><li>Troubleshoot and resolve technical issues</li></ul><p><b>Requirements:</b></p><ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or related field</li><li>3+ years of experience in Java development</li><li>Strong expertise in <b>Spring Boot</b> and <b>Hibernate</b></li><li>Solid understanding of RESTful services, multithreading, and OOP principles</li><li>Experience with relational databases (e.g., MySQL, PostgreSQL)</li><li>Familiarity with Git, Maven/Gradle, and Agile methodologies</li><li>Good problem-solving skills and the ability to work independently or as part of a team</li></ul><p>Job Type: Full-time</p><p>Work Location: In person</p>

Java Developer

Avanza Solutions

<p><b>Role Description</b></p><p>This is a full-time on-site role for a Software Engineer - JAVA, located in Islamabad. The Software Engineer will be responsible for designing, developing, and maintaining high-quality JAVA applications. Day-to-day tasks include coding, debugging, and implementing new software functionalities and features. The role also involves collaborating with cross-functional teams, participating in code reviews, and ensuring the performance and reliability of enterprise-grade software solutions.</p><p><b>Qualifications</b></p><ul><li>Extensive experience in Software Development, Back-End Web Development, and Programming</li><li>Strong knowledge of JAVA , springboot, reactjs and Object-Oriented Programming (OOP)</li><li>Solid foundation in Computer Science</li><li>Proven ability to work collaboratively with cross-functional teams</li><li>Excellent problem-solving and analytical skills</li><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field</li><li>Experience with enterprise-level JAVA applications is a plus</li></ul><p>Interested candidates may also apply at sana.naz@avanzasolutions.com</p><p>Job Type: Full-time</p><p>Pay: Up to Rs200,000.00 per month</p><p>Work Location: In person</p>

Cloud Enterprise Business Solutions (CEBS)

<div>
 <p>
  CEBS is seeking an experienced and proactive Senior Java Developer with 5+ years of hands-on, enterprise-level experience to join our core backend team. You will be instrumental in architecting, designing, and delivering high-performance, scalable, and cloud-native solutions on the Microsoft Azure platform.
 </p>
 <p>
  You will be expected to own the full development life cycle of complex backend systems, from design to deployment and monitoring. Your work will be focused on:
 </p>
 <ul>
  <li>
   Building robust, cloud-native REST APIs and microservices using Java (17/21) and Spring Boot 3.x.
  </li>
  <li>
   Leveraging the Microsoft Azure ecosystem extensively, including Azure SQL, Table Storage, Service Bus, and Key Vault.
  </li>
  <li>
   Designing and implementing secure, resilient integration patterns for asynchronous messaging and external system communication.
  </li>
  <li>
   Ensuring system health and performance through comprehensive testing, monitoring, and observability using Azure Application Insights.
  </li>
 </ul>
 <p>
  This role involves continuous development, architecting new solutions, and strategically improving our backend infrastructure to support our core business operations.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Responsibilities:
  </strong>
 </p>
 <ul>
  <li>
   Design, develop, and maintain high-quality, scalable microservices and applications using Java 17/21 and the Spring Boot 3.x ecosystem (Web, Security, Data JPA, Batch, Actuator).
  </li>
  <li>
   Architect and deploy cloud-native solutions on Microsoft Azure, applying best practices in distributed systems design, security, and resource management.
  </li>
  <li>
   Lead the design and implementation of data persistence strategies using JPA/Hibernate with Azure SQL Server and Azure Table Storage.
  </li>
  <li>
   Implement robust security measures using Spring Security, OAuth2, and JWT, and manage secrets securely with Azure Key Vault.
  </li>
  <li>
   Develop resilient asynchronous messaging solutions using Azure Service Bus and Storage Queues.
  </li>
  <li>
   Collaborate with product owners, architects, and other engineers to define requirements, assess technical feasibility, and contribute to the technical roadmap.
  </li>
  <li>
   Perform code reviews, mentor junior team members, and champion best practices in performance tuning, security, and CI/CD.
  </li>
  <li>
   Write comprehensive unit, integration, and E2E tests using JUnit, Mockito, and Spring Boot Test to ensure code quality and reliability.
  </li>
  <li>
   Implement and manage monitoring and observability using Azure Application Insights, structured logging (Logback), and related tools.
  </li>
  <li>
   Create and maintain API documentation using OpenAPI/Swagger (springdoc-openapi).
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Required Qualifications:
  </strong>
 </p>
 <ul>
  <li>
   Bachelor&rsquo;s degree in Computer Science or a related field (or equivalent professional experience).
  </li>
  <li>
   5+ years of professional, hands-on experience in backend software development.
  </li>
  <li>
   Expert proficiency in Java (17/21 preferred) and deep expertise with Spring Boot 3.x.
  </li>
  <li>
   Strong hands-on experience with Microsoft Azure services, specifically Azure SQL, Table Storage, Storage Queues/Blobs, Service Bus, and Key Vault.
  </li>
  <li>
   Mastery of JPA/Hibernate and strong experience with both relational (e.g., SQL Server) and NoSQL (e.g., Azure Table Storage) databases.
  </li>
  <li>
   Proven experience designing, building, and securing RESTful APIs using patterns like OAuth2, JWT, or HMAC.
  </li>
  <li>
   Strong understanding of testing methodologies and tools (JUnit, Mockito).
  </li>
  <li>
   Excellent problem-solving skills, system design thinking, and the ability to thrive in a collaborative, agile environment.
  </li>
  <li>
   Strong communication and documentation skills.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Nice-to-Have Skills
  </strong>
 </p>
 <ul>
  <li>
   Experience with Spring Cloud (Config, Bootstrap).
  </li>
  <li>
   Familiarity with serverless development using Azure Functions.
  </li>
  <li>
   Knowledge of caching technologies like Redis or Caffeine.
  </li>
  <li>
   Experience with structured logging tools like Logstash Encoder or Logbook.
  </li>
  <li>
   Familiarity with code generation/mapping tools like Project Lombok or MapStruct.
  </li>
  <li>
   Experience with feature flag frameworks like FF4J.
  </li>
  <li>
   Experience in the Retail/eCommerce domain.
  </li>
  <li>
   Fluency in English language speaking.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   What's in it for you
  </strong>
 </p>
 <ul>
  <li>
   Competitive salary
  </li>
  <li>
   Employees' Provident Fund, medical and other incentives
  </li>
  <li>
   Unique working environment where you communicate and work directly with international clients
  </li>
  <li>
   Self-development opportunities
  </li>
 </ul>
</div>


Senior Java Developer

Futurenostics

<div>
 <p>
  This position offers opportunities for professional growth and development within a dynamic work environment.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Employment Type:
  </strong>
  Full-time
 </p>
 <p>
  <strong>
   Location:
  </strong>
  Usman Square, Ground Floor, E-11/2, Islamabad (On-site)
 </p>
 <p>
  <strong>
   Work Hours:
  </strong>
  6:00 PM &ndash; 3:00 AM PKT
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Key Responsibilities
  </strong>
 </p>
 <ul>
  <li>
   Develop and maintain web applications using Java Spring Boot and React.js.
  </li>
  <li>
   Design and implement RESTful APIs and microservices.
  </li>
  <li>
   Write clean, scalable, and maintainable code.
  </li>
  <li>
   Collaborate with cross-functional teams to deliver new features.
  </li>
  <li>
   Optimize performance, security, and reliability of applications.
  </li>
  <li>
   Troubleshoot issues across development and production environments.
  </li>
 </ul>
 <p>
  <strong>
   Required Skills
  </strong>
 </p>
 <ul>
  <li>
   1+ years of experience as a Full Stack Developer.
  </li>
  <li>
   Strong proficiency in Java, Spring Boot, and RESTful APIs.
  </li>
  <li>
   Experience with databases such as MySQL, PostgreSQL, or MongoDB.
  </li>
  <li>
   Strong experience with React.js, HTML, CSS, and JavaScript (ES6+).
  </li>
 </ul>
 <p>
  <strong>
   Good to Have
  </strong>
 </p>
 <ul>
  <li>
   Experience with CI/CD tools, Docker, or Kubernetes.
  </li>
  <li>
   Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
  </li>
 </ul>
</div>


Java (Spring Boot) Developer

Nex Consulting Private Limited

<p><b>Job Description</b></p><p><b>What You&rsquo;ll Do:</b></p><p>This role is ideal for a highly motivated and technically strong <b>Java Backend Engineer </b>who thrives in a fast-paced and collaborative environment. You will be responsible for designing, developing, and maintaining scalable Java-based microservices, ensuring high-quality code, system reliability, and continuous improvement through modern engineering practices.</p><p><b>Backend Development &amp; Microservices:</b></p><ul><li>Design, develop, and maintain Java/J2EE-based microservices using Java 8 &amp; 11, Spring Boot, and Kafka.</li><li>Build and maintain RESTful services and service-oriented architectures (SOA).</li><li>Work with Spring Framework components including Spring JPA, Spring Batch, Schedulers, Apache Camel, and XML-based integrations.</li><li>Develop data-driven backend solutions using Oracle databases.</li></ul><p><b>Testing, Quality &amp; CI/CD:</b></p><ul><li>Implement unit testing using JUnit and Mockito, ensuring high test coverage and code quality.</li><li>Maintain and improve build processes using Maven and Gradle.</li><li>Contribute to and support CI/CD pipelines for automated builds and deployments.</li><li>Follow coding standards, design patterns, and best practices to ensure maintainable and scalable codebases.</li></ul><p><b>Integration &amp; Modern Frameworks:</b></p><ul><li>Support and enhance integrations using Kafka-based event-driven architecture.</li><li>Exposure to SOAP APIs and Spring WebFlux is a plus.</li><li>Collaborate on systems requiring both synchronous and asynchronous communication patterns.</li></ul><p><b>Collaboration &amp; Continuous Improvement:</b></p><ul><li>Work closely with cross-functional teams including QA, DevOps, and product stakeholders.</li><li>Participate in code reviews and technical discussions to continuously improve system design.</li><li>Proactively identify issues, suggest improvements, and contribute to architectural decisions.</li><li>Stay updated with emerging technologies, open-source tools, and modern Java ecosystem trends.</li></ul><p><b>What You Know:</b></p><ul><li>4+ years of hands-on experience in Java/J2EE development.</li><li>Strong expertise in Java 8 &amp; 11, Spring Boot, Kafka, Oracle.</li><li>Proficiency with Spring (JPA, Batch, Schedulers), Apache Camel, and XML-based integrations.</li><li>Hands-on experience with JUnit, Mockito, test coverage, and code quality tools.</li><li>Experience with Maven, Gradle, and CI/CD pipelines.</li><li>Strong experience with Git, SVN, or other distributed version control systems.</li><li>Deep understanding of Java design concepts, patterns, and coding standards.</li><li>Basic exposure to JavaScript, Vue.js, and Node.js.</li><li>Exposure to SOAP APIs and Spring WebFlux is a plus.</li><li>Independent thinker with strong problem-solving skills and passion for learning new technologies.</li></ul><p><b>Education:</b></p><ul><li>Bachelor&rsquo;s degree in Computer Science, Information Technology, or a related field.</li></ul><p>Job Type: Full-time</p><p>Pay: Rs280,000.00 - Rs500,000.00 per month</p><p>Work Location: In person</p>

Java Backend Engineer

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>
The Division:<br>
Enspire for Enterprise (EFE) is a Franchise Digital Marketing Agency, that has partnered with over 100 Multi-Location and Franchise Networks to Support thousands of locations worldwide. EFE helps build their brands, grow their business, and engage their customers while providing actionable reports and analytics.<br>
<br>
The Position:<br>
We work on a broad range of business initiatives and objectives by leveraging a wide set of technologies and tools. Our tech stack is based on Java, React, Kotlin, Play, and Scala. Our purpose-built applications are designed as microservices and integrate with technologies such as Kafka, Storm, Elasticsearch, MongoDB, and Redis. We have a leading-edge continuous deployment pipeline that leverages Mesos, Docker, Marathon, Puppet, and Bamboo to provide rapid on-demand releases. Our developers, product managers and business representatives work in an agile process to efficiently deliver high value solutions to our small business customers. We are looking to hire Senior Software Developers to work out of the Contour Software Islamabad/Lahore resource center office, as an extension of the division-based R&amp;D department.<br>
<br>
A great Engineer at Enspire for Enterprise is:<br>
Interested in solving challenging business problems with elegant software.<br>
Well-versed in software engineering principles and system design.<br>
A top-notch developer who enjoys building software products and quickly seeing how they work in the real world.<br>
Someone who enjoys working on a team of inspired, interesting and super-smart engineers.<br>
Excited to contribute in a rapidly growing and successful company.<br>
<br>
Beyond that:<br>
You find passion in helping small businesses compete with the big guys.<br>
You are a kind of a data nerd and enjoy tracking and measuring performance to figure out ways to improve (and to find interesting patterns).<br>
You know how to have fun while you work.<br>
<br>
Skills &amp; Experience:</div><ul><li><div>
Bachelor&rsquo;s or master&rsquo;s degree in computer science, Information Systems, Engineering or equivalent from a recognized College / University</div></li><li><div>
5 to 8 years of work experience as a Java Software Engineer/Java Developer, or similar role.</div></li><li><div>
Have good knowledge of the Java programming language, Spring framework and Spring Boot.</div></li><li><div>
Strong in OOP fundamentals and design using proven design patterns.</div></li><li><div>
Java full stack development experience is required.</div></li><li><div>
Experience in microservices architecture.</div></li><li><div>
Hands on experience with messaging (Azure Event Hub+ Rabbit).</div></li><li><div>
Working knowledge of unit testing frameworks such as JUnit and Mockito.</div></li><li><div>
Experience with Elasticsearch</div></li><li><div>
Experience of test automation tools such as Selenium.</div></li><li><div>
Experience with SQL and NoSQL Databases (Preferably Experience in Postgres and MongoDB).</div></li><li><div>
Experience with Javascript + React.</div></li><li><div>
Knowledge of DevOps and CI/CD, automated test and build tools.</div></li><li><div>
Source Control: GIT, Bitbucket.</div></li><li><div>
Continuous Integration: Bamboo.</div></li><li><div>
Containers: Docker, Mesosphere.</div></li><li><div>
Experience or exposure to cloud environments, specifically Azure + AWS.</div></li><li><div>
Ability to work across waterfall, agile, and hybrid methodologies.</div></li></ul><div><br>
Roles &amp; Responsibilities:</div><ul><li><div>
Provides input for the prioritization of issues in the backlog and autonomously pulls issues or supports other team members as appropriate.</div></li><li><div>
Understands functional and technical requirements of software components.</div></li><li><div>
Investigate, troubleshoot, and provide expert solutions to complex technical issues.</div></li><li><div>
Participate in code reviews, ensure code quality, and conform to best practices and industry standards.</div></li><li><div>
Clearly understands and communicates the impact of changes in the team&rsquo;s deliverables on other teams and customers.</div></li><li><div>
Provide assistance to junior developers.</div></li><li><div>
Strong communication skills and ability to troubleshoot and debug applications and strive to improve the overall product by researching alternative ways and technologies to achieve the overall goal.</div></li><li><div>
Design and implement Java applications that fulfill requirements.</div></li><li><div>
Create well-written code that runs efficiently and optimally.</div></li><li><div>
Test completed software and debug as necessary.</div></li><li><div>
Examine existing code and recommend patches, design solutions or fixes for broken code.</div></li></ul><div><br>
Nice to Haves:</div><div>
Recommended Certifications: JAVA.</div><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

Core Code io

<div>
 We are looking for a
 <strong>
  Backend Developer
 </strong>
 to design, build, and maintain the server-side logic of our applications. You will be responsible for ensuring high performance, scalability, and security of the back-end services, while integrating with front-end and third-party systems. This role involves problem-solving, collaboration with cross-functional teams, and delivering reliable APIs and data pipelines.
 <br/>
 <br/>
 <strong>
  Responsibilities
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Design, develop, and maintain back-end services, APIs, and databases.
  </li>
  <li>
   Build scalable systems that handle high volumes of requests and data.
  </li>
  <li>
   Implement security and data protection best practices.
  </li>
  <li>
   Optimize application performance and troubleshoot issues.
  </li>
  <li>
   Work closely with front-end developers and other stakeholders to integrate user-facing elements.
  </li>
  <li>
   Manage database schemas, queries, and migrations (SQL and/or NoSQL).
  </li>
  <li>
   Write clean, maintainable, and testable code.
  </li>
  <li>
   Contribute to code reviews, system architecture, and technical documentation.
   <br/>
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Qualifications
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Bachelor&rsquo;s degree in Computer Science, Software Engineering, or equivalent experience.
  </li>
  <li>
   Proven experience as a Backend Developer, Software Engineer, or similar role.
  </li>
  <li>
   Proficiency in at least one back-end language and framework: Node.js/Express, Python (Django/Flask/FastAPI), Java (Spring Boot), or Ruby on Rails.
  </li>
  <li>
   Strong knowledge of databases (PostgreSQL, MySQL, MongoDB, Redis).
  </li>
  <li>
   Experience building and consuming RESTful APIs and/or GraphQL.
  </li>
  <li>
   Familiarity with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes).
  </li>
  <li>
   Strong understanding of system design, scalability, and security principles.
  </li>
  <li>
   Experience with version control (Git/GitHub/GitLab) and CI/CD pipelines.
  </li>
  <li>
   By applying to this position, we&rsquo;ll create your Simera Professional Key (SPK) &mdash; a unique key that helps you connect with employers, stand out, and secure the right match.
  </li>
 </ul>
</div>


Back End Developer VIII (Remote)

Explore 108+ Java developer in Islamabad this January. Find roles across top companies and apply now to boost your career.

108 java developer jobs IN Islamabad

Java Developer

Java Developer

Senior Java Developer

Java (Spring Boot) Developer

Java Backend Engineer

Senior Software Developer

Back End Developer VIII (Remote)