software engineer

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senior software engineer i - backend Jobs in Karachi

senior software engineer i - backend

(remote) senior web developer Jobs in Karachi

(remote) senior web developer

senior web engineer

SOC Solutions LLC

Role: Senior React Native EngineerOverview:We are looking for a Senior React Native Engineer to drive the development of our mobile applications with a focus on performance, reliability, and scalability across iOS and Android. You willcollaborate closely with backend, AI, and design teams to deliver seamless user experiences.Core Responsibilities:<ul><li>Architect, develop, and maintain cross-platform apps using React Native and TypeScript.</li><li>Integrate REST and GraphQL APIs from our backend and AI services.</li><li>Implement advanced state management (Redux, Zustand, or Recoil).</li><li>Ensure top performance on both platforms through profiling and optimization.</li><li>Own CI/CD pipelines for mobile builds (Fastlane, EAS, App Center).</li></ul>Requirements:<ul><li>5+ years of mobile development experience, 3+ with React Native.</li><li>Strong knowledge of TypeScript, modern React patterns, and native bridge concepts.</li><li>Deep understanding of app store deployment and OTA updates.</li><li>Familiar with automated testing and release workflows.</li><li>Excellent Git workflow and collaboration in agile PM environments (Jira, Linear, ClickUp).</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>React Native: 5 years (Required)</li></ul>Work Location: In person

Sr. React Native Engineer

Pivotize Consulting

Technology Stack:Angular 12+, .NET Core 8, SQL Server 2019 Enterprise Edition, Redis, SQL Lite, ODataRole Summary:We are seeking a highly experienced Full-Stack Engineer responsible for end-to-end performance, security, and release optimization across frontend, backend, and infrastructure layers. This role will focus on improving system speed, scalability, and resilience while ensuring compliance with modern white-box, grey-box, and black-box testing standards.Key Responsibilities:&middot; Profile and optimize Angular 12+ components, applying lazy loading, OnPush strategy, and efficient data handling.&middot; Analyze and refactor .NET Core 8 APIs for performance, scalability, and security.&middot; Optimize SQL Server queries, stored procedures, indexes, and implement advanced features like partitioning, materialized views, columnstore Indexes, In-Memory OLTP, Query Store, controls (CPU, memory, and I/O resource allocation), Scale-Out with Sharding.&middot; Conduct release management optimization: IIS tuning, caching strategies, connection pooling, and CI/CD performance improvements.&middot; Collaborate with product leadership to define and achieve measurable performance goals.&middot; Conduct and close pen testing issues ensuring adherence to OWASP standards.&middot; Design scalable microservices-ready architecture for long-term growth.Required Skills&middot; 8+ years of full-stack development experience in Angular, .NET Core, and SQL Server.&middot; Expert in SQL Server performance tuning, query optimization, indexing, and partitioning.&middot; Strong understanding of IIS performance configuration and Redis caching.&middot; Hands-on with performance profiling tools (.NET Profiler, SQL Profiler, Chrome DevTools, Lighthouse).&middot; Experience in microservices design, Docker, Kubernetes, and cloud deployment pipelines.&middot; Knowledge of OWASP and security testing tools (Burp Suite, OWASP ZAP).Preferred Skills / Experience&middot; Experience optimizing enterprise-grade web platforms handling large data sets.&middot; Background in DevOps and CI/CD pipeline performance tuning.Key Performance Indicators (KPIs)&middot; Reduce page load time to under 2 seconds for major modules.&middot; Achieve 60% reduction in average API response time.&middot; Resolve 100% of identified pen testing issues within SLA.&middot; Implement database improvements reducing query execution time below 2 secondJob Type: Full-timeApplication Question(s):<ul><li>What is your current salary?</li><li>What is your expected salary?</li><li>What is your notice period?</li><li>Since it's an on-site role, would you be able to commute to Bahria Complex 1, M.T.Khan Road?</li></ul>Work Location: In person

Senior Full-Stack Engineer

Role: Senior Frontend Engineer (Next.js)Overview:We are seeking a Senior Frontend Engineer experienced in building performant and maintainable web applications using Next.js and TypeScript. You will shape the frontend architecture, ensure strong API integrations, and drive UI consistency across products.Core Responsibilities:<ul><li>Design and implement scalable frontends using Next.js, React, and TypeScript.</li></ul><ul><li>Integrate backend APIs (REST) and handle data securely.</li></ul><ul><li>Apply SSR/ISR optimizations.</li></ul><ul><li>Maintain component libraries and design systems (f.e. Tailwind).</li></ul><ul><li>Ensure high quality via unit and integration tests.</li></ul>Requirements:<ul><li>6+ years of frontend experience with modern Next.js and React ecosystems.</li></ul><ul><li>Strong TypeScript expertise is mandatory.</li></ul><ul><li>Deep understanding of API integration, caching, and state management.</li></ul><ul><li>Awareness of accessibility, performance budgets, and responsive design.</li></ul><ul><li>Solid Git discipline and experience with CI/CD and agile PM tools.</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>What is your expected Salary for this role?</li></ul>Experience:<ul><li>Next JS: 5 years (Required)</li></ul>Work Location: In person

Sr. Front End Developer

VIRTUOSOFT

Job Title: QA Engineer (Manual &amp; Automation)Location: Karachi, PakistanExperience Level: Mid to Senior (2&ndash;7 years)Job SummaryWe are looking for a QA Engineer (Manual &amp; Automation) to join our product development team. The ideal candidate will be responsible for ensuring software quality through structured manual and automated testing processes. You will collaborate closely with developers, analysts, and project managers to validate requirements, design test strategies, and implement automated testing frameworks for scalable and reliable software solutions.Key Responsibilities<ul><li>Design, develop, and execute manual and automated test cases for web, mobile, and API applications.</li><li>Perform functional, regression, smoke, performance, and security testing across multiple environments.</li><li>Develop and maintain automation scripts using Selenium, Playwright, or Robot Framework.</li><li>Conduct API testing using Postman or equivalent tools.</li><li>Validate data integrity and backend operations through SQL queries and database testing.</li><li>Collaborate with developers during sprint planning to ensure test coverage for all user stories.</li><li>Participate in Agile ceremonies (daily standups, grooming, retrospectives).</li><li>Maintain detailed QA documentation, test reports, and defect logs in JIRA, Trello, or TFS.</li><li>Contribute to continuous integration (CI/CD) testing and improvement initiatives.</li><li>Mentor junior QA members (for senior-level candidates).</li><li>Required Skills &amp; Tools</li><li>Testing Types: Functional, Regression, Smoke, UAT, Performance, API, and Security Testing</li><li>Automation Tools: Selenium WebDriver, Playwright, Robot Framework, Selenide</li><li>Programming &amp; Scripting: Python, Java, or JavaScript</li><li>API Testing: Postman, REST/SOAP</li><li>Database Testing: SQL / MySQL</li><li>Bug Tracking Tools: JIRA, TFS, Redmine, Trello</li><li>Methodologies: Agile / Scrum</li><li>Platforms: Web, Mobile (Android/iOS), Odoo ERP (preferred)</li></ul>EducationBachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field.Preferred QualificationsExperience in banking, fintech, ERP, or enterprise systems.Familiarity with Odoo, WordPress, or custom web applications.Exposure to CI/CD pipelines and DevOps environments.Strong analytical, problem-solving, and communication skills.Soft SkillsDetail-oriented with a focus on software reliability and user experience.Proactive team player with ownership mindset.Strong collaboration and documentation skills.Job Type: Full-timeWork Location: In person

QA Engineer - (Manual & Automation)

Careem

<div><div>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.</div><div> 
<div>
<div>About the role

We are looking for a Senior Software Engineer I to join our Engagement team, focused on the Benefits Platform squad. This squad builds the systems behind promotions and discounts that drive a big part of Careem&rsquo;s business. You&rsquo;ll work on high-impact projects, designing and scaling backend services, and help shape the experience for millions of customers across our region.
</div>
</div><div><div><div>What you'll do</div>
<div><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>
</div><div> 
What you'll need</div>
<div><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, 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>
</div><div> 
Preferred skills &amp; qualifications</div>
<div><ul><li>Master's Degree in Computer Science or other related technical field.</li>
<li>Experience with Golang, microservices and high performing systems based on AWS or other Cloud providers.</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></div></div>What we&rsquo;ll provide you

We offer colleagues the opportunity to drive impact in the region while they learn and grow. As a full time Careem colleague, you will be able to:
<ul>
<li>Work and learn from great minds by joining a community of inspiring colleagues.</li>
<li>Put your passion to work in a purposeful organization dedicated to creating impact in a region with a lot of untapped potential.</li>
<li>Explore new opportunities to learn and grow every day.</li>
<li>Work 4 days a week in office &amp; 1 day from home, and remotely from any country in the world for 30 days a year with unlimited vacation days per year. (If you are in an individual contributor role in tech, you will have 2 office days a week and 3 to work from home.)</li>
<li>Access to healthcare benefits and fitness reimbursements for health activities including gym, health club, and training classes.</li></ul></div></div>

Senior Software Engineer I - Backend

Assurety Consulting & Solutions Pvt. ltd

We&rsquo;re expanding our QA team in Karachi and looking for a motivated Junior SQA Engineer who&rsquo;s eager to learn, grow, and contribute to high-quality software delivery.Key Responsibilities:<ul><li>Develop and execute test cases for web and mobile applications</li><li>Identify, report, and track defects using Jira or similar tools</li><li>Perform functional, regression, and API testing as needed</li><li>Collaborate with developers and senior QA engineers to resolve issues</li><li>Participate in daily stand-ups and contribute to release readiness activities</li><li>Continuously learn new tools, techniques, and testing practices to improve QA effectiveness</li></ul>Qualifications:<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field</li><li>6 months &ndash; 1 year of experience in Software Quality Assurance</li><li>Basic understanding of software testing methodologies (manual and/or automated)</li><li>Familiarity with tools such as Jira, Postman, or Selenium is a plus</li><li>Strong analytical, problem-solving, and communication skills</li><li>Detail-oriented with a proactive attitude toward learning</li></ul>Location: Shahrah-e-Faisal, Karachi Work Mode: Hybrid (3 days on-site)Job Type: Full-timeWork Location: In person

Junior SQA Engineer

Hiring Talent

VCONN (Pvt) Ltd is a managed IT Solution / Design / Services consultancy firm selectively serving businesses to help enhance their IT experience with secure and scalable IT architecture, automated systems, and efficient workflow. Our services include web registration and hosting, Database Management, IT support, Application Hosting, Cloud Computing and Subject Matter Expert (SMEs) to customers across multiple industries.Designation: DevOps EngineerReporting To: Senior Manager/CISOResponsibilities:<ul><li>DevOps Engineer will be a critical role responsible for infrastructure, deployment pipelines, and automation processes.</li><li>Collaboration with cross-functional teams will be essential to ensure efficient software delivery and continuous improvement of our development and operations practices.</li><li>Develop and maintain infrastructure as code using tools like Terraform, CloudFormation, or Ansible to provision and manage infrastructure resources in a cloud environment.</li><li>Implement and maintain CI/CD pipelines using tools such as Jenkins, GitLab CI/CD, Travis CI, or similar, to automate software builds, testing, and deployments.</li><li>Manage and automate server configuration using tools like Puppet, Chef, or Ansible, ensuring consistency across all environments.</li><li>Work with containerization technologies like Docker and container orchestration platforms like Kubernetes to manage containerized applications.</li><li>Set up monitoring and logging solutions such as Prometheus, Grafana, ELK Stack, or like proactively identify and resolve issues in the production environment.</li><li>Troubleshooting: Troubleshoot and resolve production issues quickly and efficiently to minimize downtime.</li><li>Documentation: Maintain clear and up-to-date documentation of infrastructure, processes, and configurations.</li></ul>Requirement:<ul><li>Bachelor&rsquo;s degree in computer science, IT, or related field</li><li>Basic knowledge of Linux/Unix systems</li><li>Familiarity with Git and CI/CD tools (e.g., Jenkins, GitHub Actions)</li><li>Understanding of Docker and containerization concepts</li><li>Basic scripting (Bash, Python, or Shell)</li><li>Exposure to cloud platforms (AWS, Azure, or GCP)</li><li>Good problem-solving and teamwork skills</li><li>Eagerness to learn DevOps tools and practices</li></ul>Job Type: Full-timeWork Location: In person

DevOps Engineer (Mid to Senior)

Explore 772+ Senior web engineer in Karachi this November. Find roles across top companies and apply now to boost your career.