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senior full stack developer Jobs in Karachi

senior full stack developer

full stack engineer

TruckItIn

About the Role: We are looking for a skilled Full Stack Engineer with strong expertise in Angular, Node.js, and NestJS to design, develop, and maintain high-performance applications. This role involves working closely with cross-functional teams, handling deployments, optimizing performance, and contributing to architectural and technical decision-making.What You Will Do:<ul><li>Develop, maintain, and enhance web applications using Angular, Node.js, and NestJS.</li><li>Collaborate with product, design, and backend teams to deliver new features and improvements.</li><li>Manage deployment activities, monitor application performance, and ensure system reliability.</li><li>Troubleshoot issues, optimize code, and streamline development and deployment workflows.</li><li>Mentor junior engineers and actively participate in technical discussions and decision-making.</li><li>Write clean, well-structured, and maintainable code with proper documentation.</li><li>Support integration efforts across services, APIs, and microservices components.</li></ul>What We Are Looking For:<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or related field.</li><li>3-4 years of experience with Angular, Node.js, NestJS, TypeScript, JavaScript, and related frameworks.</li><li>Solid understanding of databases, APIs, microservices, and cloud environments.</li><li>Experience handling Git repositories and basic DevOps tasks.</li><li>Ability to monitor and manage production systems effectively.</li><li>Strong problem-solving abilities, attention to detail, and an ownership-driven mindset.</li><li>Experience with performance optimization and scalable application architectures is a plus.</li></ul>How We&rsquo;ll Support You:We are committed to creating a vibrant, growth-oriented environment where your passion and commitment to excellence are recognized and nurtured. Here, you&rsquo;ll have opportunities to shape our products and processes, supported by a team of dedicated professionals. We offer a competitive compensation package, equal employment opportunities, and a culture that embraces innovation and continuous improvement. Join us in making an impact. We can&rsquo;t wait to see what we&rsquo;ll accomplish together!Job Type: Full-timeApplication Question(s):<ul><li>How many years of experience do you have working with Angular, Node.js, NESTjs? </li><li>What is your current salary?</li><li>What is your expected salary?</li></ul>Work Location: In person

Full Stack Engineer (MEAN)

Flowmaster

<ul><li>Location: Karachi (Remote first - Onsite after 1 to 2 months)</li><li>Experience Required: 1-2 years professional industry experience</li><li>Employment Type: Full-time</li></ul>ABOUT THE ROLEWe are looking for a Junior Full-Stack Software Engineer with strong DevOps knowledge to join our team. You will play a dual role - building microservices using FastAPI, ReactJS, and Next.js while also managing our infrastructure, CI/CD pipelines, and deployment workflows. This role requires depth knowledge of DevOps practices combined with solid full-stack development skills.KEY RESPONSIBILITIESDEVOPS RESPONSIBILITIES (30-40%):<ul><li>- Design, implement, and maintain CI/CD pipelines using GitHub Actions or GitLab CI</li><li>- Manage Docker containers, Docker Compose configurations, and Kubernetes orchestration</li><li>- Set up and maintain monitoring, logging, and alerting infrastructure (Prometheus, Grafana, ELK)</li><li>- Implement infrastructure as code using Terraform or Ansible</li><li>- Manage cloud infrastructure on AWS, GCP, or Azure</li><li>- Configure and optimize PostgreSQL, Redis, and ArangoDB for production</li><li>- Implement security best practices, SSL/TLS certificates, and secrets management</li><li>- Monitor application performance, debug production issues, and optimize resource usage</li><li>- Set up backup and disaster recovery procedures</li><li>- Write automation scripts for deployment, monitoring, and maintenance tasks</li></ul>FULL-STACK DEVELOPMENT RESPONSIBILITIES (60-70%):<ul><li>- Develop microservices using FastAPI with production-ready patterns</li><li>- Build frontend applications using ReactJS and Next.js with TypeScript</li><li>- Design and implement RESTful APIs following microservices best practices</li><li>- Work with PostgreSQL, Redis, and ArangoDB databases</li><li>- Write tests and documentation for infrastructure and application code</li><li>- Participate in architecture decisions and code reviews</li></ul>REQUIRED SKILLS &amp; QUALIFICATIONSDEVOPS EXPERTISE (DEPTH KNOWLEDGE REQUIRED):<ul><li>- 1-2 years of professional experience with strong focus on DevOps practices</li><li>- Deep understanding of Docker and container orchestration (Kubernetes experience required)</li><li>- Strong Linux system administration skills (Ubuntu/Debian, shell scripting)</li><li>- Hands-on experience implementing and managing CI/CD pipelines (GitHub Actions, GitLab CI, or Jenkins)</li><li>- Experience with cloud platforms (AWS, GCP, or Azure) - not just theoretical knowledge</li><li>- Knowledge of infrastructure as code tools (Terraform, Ansible, CloudFormation)</li><li>- Experience with monitoring and logging tools (Prometheus, Grafana, ELK stack, Loki)</li><li>- Understanding of networking, load balancing, reverse proxies (Nginx, Traefik)</li><li>- Experience with database administration (PostgreSQL, Redis) in production environments</li><li>- Knowledge of security best practices, SSL/TLS, secrets management, and compliance</li><li>- Proficiency in scripting languages (Bash, Python) for automation</li></ul>FULL-STACK DEVELOPMENT SKILLS (REQUIRED):<ul><li>- Strong hands-on experience with FastAPI (Python) for building microservices</li><li>- Proficiency in ReactJS and Next.js for frontend development</li><li>- Solid TypeScript and modern JavaScript skills</li><li>- Understanding of microservices architecture and distributed systems</li><li>- Experience with PostgreSQL and NoSQL databases (Redis, ArangoDB)</li><li>- Knowledge of REST APIs, async/await patterns, and web fundamentals</li><li>- Git and version control best practices</li></ul>GENERAL REQUIREMENTS:<ul><li>- Excellent problem-solving and troubleshooting skills</li><li>- Strong communication skills in English (written and verbal)</li><li>- Self-motivated and comfortable working in remote/hybrid environment</li><li>- Bachelor's degree in Computer Science, Software Engineering, or equivalent</li></ul>Job Type: Full-timeWork Location: In person

Full Stack Engineer - DevOps Expertise

VIDIZMO LLC

<div>We're seeking passionate, driven, and self-motivated individuals to join our team. If you're eager to grow in a dynamic environment and be part of a company that&rsquo;s at the forefront of AI innovation, this is your chance to hit the ground running. 


VIDIZMO is a USA-based technology company headquartered in Tysons, Virginia, and a Microsoft Solutions Partner in Data &amp; AI, Infrastructure, and Digital &amp; App Innovation. Offering a AI-Powered Intelligence Hub, we empower Fortune 500 companies, large enterprises, governments, and the public sector to securely manage, analyze, and govern their data with complete control and compliance. 


Our Multimodal AI Data Intelligence Platform leverages Large Language Models (LLMs) and RAG (Retrieval-Augmented Generation) to deliver powerful capabilities such as auto-tagging, redaction, content summarization, OCR, translation, subtitle creation, object detection and tracking, content search, sentiment and emotion analysis, topic extraction, document classification, and facial attribute detection. 
Responsibilities:
<ul>
<li>Gather and evaluate user requirements in collaboration with product managers &amp; engineers.</li>
<li>Communicate scenarios, end-to-end experiences, interaction models, and mock-ups with the team.</li>
<li>Develop, maintain, and enhance web applications using Angular 2+, React, and JavaScript.</li>
<li>Create reusable widgets and componentry for efficient development.</li>
<li>Build and maintain a scalable server-side technology stack, providing APIs for various products and integrations.</li>
<li>Develop and enhance back-end processing pipelines to ensure scalability and performance.</li>
<li>Ensure security, scalability, and elasticity to support high-traffic applications.</li>
<li>Perform unit testing, integration testing, peer code reviews, and participate in bug bashes.</li>
<li>Follow and enforce Agile (SCRUM) development methodologies.</li>
<li>Continuously research and adopt new technologies to improve application performance.</li></ul> 


Required Skills:
<ul>
<li>Strong proficiency in Angular 2+, React, and JavaScript.</li>
<li>Experience with at least one back-end technology such as ASP.NET, C#, Java Spring Boot, NodeJS, or Python.</li>
<li>Expertise in API development and middleware for web applications.</li>
<li>Knowledge of SQL Server, Visual Studio 2019, and SQL Server Management Studio.</li>
<li>Experience designing scalable applications with a deep understanding of security best practices.</li>
<li>Familiarity with Agile (SCRUM) development processes.</li>
<li>The ideal candidate demonstrates strong business acumen, can translate objectives into impactful solutions, and is proficient in leveraging AI tools&mdash;including mandatory use of platforms like ChatGPT&mdash;to enhance efficiency. An ownership mindset and the ability to drive outcomes with minimal task-level direction are essential.</li></ul> 


Preferred Skills:
<ul>
<li>Experience with ASP.NET Core, ASP.NET 5, SignalR, gRPC, WebSockets.</li>
<li>Hands-on experience with Azure DevOps, AWS, or Google PaaS Services.</li>
<li>Knowledge of system-level programming (sockets, multi-threading, distributed applications).</li>
<li>Exposure to video streaming technologies, encoders/decoders.</li>
<li>Experience with Containers, Elastic Search, Kafka, RabbitMQ, Zipkin, Consul, Zookeeper, Redis, gRPC protocols, and mDNS.</li></ul> 


Qualifications &amp; Experience: 
<ul>
<li>BS in Computer Science, Software Engineering, or a related IT field.</li>
<li>Strong understanding of OOP principles and data structuring concepts.</li>
<li>Must be authorized to work legally.</li></ul> 


Essential Skills:

The ideal candidate demonstrates strong business acumen, can translate objectives into impactful solutions, and is proficient in leveraging AI tools&mdash;including mandatory use of platforms like ChatGPT&mdash;to enhance efficiency. An ownership mindset and the ability to drive outcomes with minimal task-level direction are essential. 
Benefits: Health Insurance (OPD/IPD), Separate Maternity Cover, Leave encashment, Car Support Program, Referral Bonus, EOBI, Bi-Annual Increment. Provident Fund, Career Growth, Bonus (benefits vary based on location) 

Multiple Locations: 
USA, Pakistan, India, UAE, Australia, Canada 
(benefits vary based on location)</div>

Full stack Engineer (Angular & .Net)

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-timePay: From Rs250,000.00 per monthApplication 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, Lalazar, M.T.Khan Road for interview &amp; job?</li></ul>Work Location: In person

Senior Full-Stack Engineer (Angular & .Net Only)

ALBI

<div>We are a fast-growing SaaS company on a mission to propel the restoration industry forward by empowering restoration companies with the technology they need to scale and grow their businesses.
Recently voted a Top 10 Start-up in Chicago by LinkedIn and a Top Start-up by BuiltIn, and backed by Y Combinator, this is an exciting time to join our team as we enter a stage of rapid growth and product expansion.
We&rsquo;re looking for a Senior Full Stack Engineer with deep experience in Flutter and mobile app development, combined with solid backend skills to help us build reliable, scalable, and delightful user experiences across platforms. You&rsquo;ll play a key role in shaping our mobile strategy, owning features end-to-end - from UI to backend services - and mentoring others along the way.<h3 class="jobSectionHeader">
Key Responsibilities</h3><ul>
<li>Lead the development and architecture of Flutter applications for iOS and Android.
</li><li>Work with backend frameworks such as .NET, or similar to build reliable and scalable APIs.
</li><li>Design, implement, and maintain backend services (e.g., RESTful APIs, GraphQL endpoints, database models) that support mobile and web clients.
</li><li>Collaborate closely with product managers and designers to deliver seamless application experiences.
</li><li>Drive performance optimization, responsive UI/UX, and smooth animations.
</li><li>Integrate third-party APIs, cloud services, and native platform features as needed.
</li><li>Establish and maintain CI/CD pipelines for both mobile and backend systems.
</li><li>Mentor junior developers and help define best practices for Flutter, mobile engineering, and API development.
</li><li>Participate in architectural decisions, code reviews, and technical strategy discussions.
</li><li>Contribute to improving app stability, performance, and code quality through automated testing and monitoring.</li>
</ul>
Requirements<ul>
<li>
5+ years of professional mobile development experience, including 3+ years building apps with Flutter/Dart.
</li><li>3+ years of experience in backend development using at least one of following: Java, .NET, Python, Ruby on Rails, including API design and database interaction.
</li><li>Strong understanding of mobile design principles, patterns, and best practices.
</li><li>Experience creating and integrating RESTful APIs, Firebase, GraphQL, or other backend services.
</li><li>Solid understanding of mobile app lifecycle, state management (e.g., Provider, Riverpod, Bloc), and platform-specific challenges.
</li><li>Familiarity with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB, Firestore).
</li><li>Exposure to CI/CD pipelines for mobile and backend (e.g., GitHub Actions, Bitrise, Codemagic).
</li><li>Comfortable working in a cloud environment (Azure, AWS, or GCP).
</li><li>Excellent collaboration skills and a passion for building great end-to-end user experiences.</li>
</ul><ul><li>Bonus: experience with native iOS/Android development, App Store/Play Store deployment, or Flutter web.
</li><li>Preferred: .NET/C# experience</li>
</ul>
Note: The position requires working on-site four days per week. Remote arrangements are not available. This is a direct-hire position (no agencies or contractors). Candidates must be willing to work U.S. business hours.
Benefits
We&rsquo;re driven by purpose, fueled by high energy, and backed by venture funding. We&rsquo;re unapologetically ambitious and make sure that everyone has the support they need to succeed. We value building a strong company culture, being together and collaborating which is why we are an In-Office first organization.
We offer a generous compensation package which includes:<ul>
<li>
Competitive Salary</li>
<li>Generous PTO.</li>
<li>Medical, dental, and vision insurance coverage.</li>
<li>401K Plan + Matching.</li>
</ul><ul><li>Good balance of personal autonomy and team collaboration on projects</li>
<li>Working on a team of smart, kind humans passionate about leveraging technology to solve real-world problems</li>
<li>Environment where your input is highly valued and personal growth is prioritized.</li>
<li>Regular team events and off-sites.</li>
<li>Equipment budget - everything you need to do your best work</li>
<li>Continuing education, mentoring, and career development opportunities</li>
</ul>
Your journey is your own, and we&rsquo;re here to help you thrive, no matter your starting point.</div>

Senior Full Stack Engineer (Flutter & Backend)

Qualix Solutions

Karachi (PECHS) | Daytime Shift | 2+ Years ExperienceAbout the RoleWe're looking for a Full Stack Software Engineer with strong backend skills to join our team. You'll build and maintain full-stack applications, work closely with designers and engineers, and grow under the guidance of senior technical leadership.What You'll Do<ul><li>Build and maintain backend APIs using Node.js and NestJS</li><li>Implement authentication and authorization using JWT / OAuth</li><li>Develop full-stack features using Next.js (SSR, SSG, API routes)</li><li>Design MongoDB schemas and write efficient queries and basic aggregation pipelines</li><li>Optimize database performance using indexing and query analysis</li><li>Build reusable React functional components and integrate with APIs</li><li>Debug and resolve issues across the stack (React, Next.js, NestJS, MongoDB)</li><li>Participate in code reviews and follow team coding standards</li><li>Collaborate with designers, frontend, and backend team members</li><li>Work under guidance of senior engineers for architectural decisions</li></ul>What We're Looking ForBackend (Strong):<ul><li>TypeScript: Interfaces, types, generics</li><li>Node.js &amp; NestJS: REST APIs, modules, services, guards, authentication (JWT), validation &amp; error handling</li><li>Next.js: API routes, server-side rendering (SSR), static generation (SSG)</li><li>MongoDB: Schema design, indexing, aggregations (lookup, group, match)</li><li>SQL: Basic to intermediate MySQL or PostgreSQL</li><li>API Security: Input validation, basic XSS / CSRF awareness</li></ul>Frontend (Working Knowledge):<ul><li>React: Hooks, functional components, Redux or Zustand</li><li>Tailwind CSS: Responsive layouts, utility-first styling</li><li>Responsive Design: Flexbox, CSS Grid</li></ul>Nice to Have<ul><li>Docker basics</li><li>Cloud exposure (AWS / Azure)</li><li>CI/CD awareness</li><li>Experience integrating AI APIs (OpenAI, Claude, etc.)</li></ul>Other Requirements<ul><li>Good verbal and written English communication</li><li>Problem-solving mindset and attention to detail</li><li>Bachelor's degree in Computer Science or related field (preferred)</li></ul>Job Type: Full-timeApplication Question(s):<ul><li>Please share your Portfolio? (vercel , netlify, Github or other)</li><li>Why do you want to switch?</li><li>What is your current salary?</li><li>What is your expected salary?</li><li>Is your expected salary negotiable?</li><li>What is your notice period?</li><li>Rate your English speaking skills from 1 (Novice) to 10 (Expert)?</li></ul>Experience:<ul><li>Mernstack Development: 2 years (Preferred)</li></ul>Work Location: In person

Full Stack Software Engineer (MERN)

Progziel Technologies

MERN Stack Developer (Full-Time | Day Shift)About the RoleWe are seeking a talented and experienced MERN Stack Developer to join our growing team. This full-time, on-site position is ideal for someone with 3&ndash;4 years of hands-on experience in modern web development using MongoDB, Express.js, React, and Node.js. You will be responsible for building high-quality applications, collaborating with cross-functional teams, and ensuring the delivery of scalable and maintainable solutions.Key Responsibilities<ul><li>Develop, test, and maintain full-stack web applications using the MERN stack</li><li>Write clean, efficient, and well-documented code</li><li>Collaborate with designers, product managers, and fellow developers to deliver new features</li><li>Troubleshoot, debug, and resolve technical issues in a timely manner</li><li>Participate in code reviews, share feedback, and support team improvements</li><li>Build responsive UI components and ensure application performance across devices</li><li>Integrate APIs and optimize database queries for performance and scalability</li></ul>Required Qualifications<ul><li>3&ndash;4 years of professional MERN Stack development experience</li><li>Strong proficiency in JavaScript/ES6+ and modern development practices</li><li>In-depth understanding of RESTful APIs, backend logic, and database design</li><li>Experience with Git and collaborative version control workflows</li><li>Familiarity with frontend performance optimization and responsive design</li><li>Ability to work independently as well as collaboratively in a team environment</li><li>Strong problem-solving abilities and attention to detail</li></ul>Work Schedule<ul><li>Full-Time Position (Onsite)</li><li>Day Shift: 9:00 AM &ndash; 6:00 PM</li><li>Monday to Friday</li><li>Saturday: 9:00 AM - 2:00 PM</li></ul>Who We&rsquo;re Looking ForA motivated mid-level developer who enjoys tackling technical challenges, writing maintainable code, and contributing to a collaborative and growth-oriented environment. If you are passionate about modern JavaScript development and want to work on impactful projects, we encourage you to apply.Job Type: Full-timeWork Location: In person

MERN Stack Developer (Full-Time | Day Shift)

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