full stack developer - internal systems Jobs in Islamabad

full stack developer - internal systems

full stack web developer Jobs in Islamabad

full stack web developer

lead full stack engineer (.net, vue/react) - full remote Jobs in Islamabad

lead full stack engineer (.net, vue/react) - full remote

quality assurance engineer Jobs in Islamabad

quality assurance engineer

(remote) senior full-stack web developer Jobs in Islamabad

(remote) senior full-stack web developer

api backend engineer

FGC-Capital

About UsWe are an established Software development company based in Islamabad, dedicated to providing borderless fintech/payment services tailored to our clients&rsquo; needs. Our team has is now focusing on leveraging leading-edge technology to transform its current technology stack and create secure, scalable, and user-friendly financial solutions.Job OverviewWe are seeking 2 experienced API/Backend Engineers to join our global team. In this role, you will be responsible for designing, developing, and maintaining Microservices and API endpoints using NodeJs and typescript. You will work in an Agile environment with continuous integration and managing API Gateway configurations to ensure seamless integrations with web applications and external consumers/producers.Key ResponsibilitiesAPI Development:Design, develop, document and maintain high-quality API endpoints using NodeJs/typescriptImplement controls to ensure API security, availability and scalability<ul><li>CI/CD and Agile Practices:</li></ul>Work with DevOps to implement and manage continuous integration and deployment pipelines.Collaborate with team members in an Agile environment<ul><li>API Gateway Management:</li></ul>Configure and manage API Gateways (e.g., AWS API Gateway, Zuplo or similar) for routing and authentication.<ul><li>Collaboration &amp; Integration:</li></ul>Work closely with product managers, front-end developers, and QA teams to deliver seamless, data-driven applications.Integrate services with various systems and third-party services.<ul><li>Quality Assurance:</li></ul>Write and maintain unit and integration tests to ensure code reliability and performance.Monitor API performance, troubleshoot issues, and optimize endpoints for efficiency.Qualifications<ul><li>Experience:</li></ul>Minimum 5 years of professional experience in API development or a related role.Proven experience writing Microservices and API endpoints using Typescript and Nodejs.Should have experience in TypeScript and Node.js, preferably working in a FinTech environment. Expertise in ledger development will be considered a plus point.Bachelor or Master degree in CS/SE or in a relevant field.Familiarity with zero trust and web authentication methods.<ul><li>Technical Skills:</li></ul>Strong understanding of RESTful API principles and Microservices architecture.Minimum 3 years of Backend development in Typescript.Solid experience of GraphQL is a must.Proficiency in configuring and managing API Gateways.Familiarity with Jira, Git and CI/CD pipelines.<ul><li>Methodologies:</li></ul>Experience working in Agile development environments.<ul><li>Other Skills:</li></ul>Excellent problem-solving skills and attention to detail.Strong communication skills and the ability to work effectively on own initiative.Preferred QualificationsExperience with cloud platforms AWS.Knowledge of REST/GraphQL and related frameworks.Exposure to automated testing frameworks and traffic monitoring tools.Interpersonal and Communication skillsWritten and spoken English skills is one of the mandatory required qualifications.What We OfferA competitive salary and benefits package.Opportunities for professional growth and career advancement.A dynamic, collaborative, and innovative work environment.The chance to work on cutting-edge payment technology projects.How to ApplyIf you&rsquo;re passionate about building robust Microservices and APIs and thrive in an Agile, innovative environment, send your resume and a cover letter to our HR team.Note: If you don't have the aforementioned Skills, please don't apply!Job Type: Full-timePay: From Rs300,000.00 per monthWork Location: In person

API/Backend Engineer

Skylabs AI

<div><h3 class="jobSectionHeader">About Us</h3>
At SkyLabs AI Inc., we are at the forefront of the artificial intelligence revolution. As a US-headquartered company, we conduct applied research on AI for intelligent reasoning. We specialize in complex neurosymbolic AI to solve intricate problems within software engineering. Our team is composed of world-class researchers and engineers dedicated to building the platforms and intelligent agents that will power the next generation of software. If you are passionate about building truly intelligent systems and want to make a lasting impact, join us.<h3 class="jobSectionHeader">
The Role</h3>
We are seeking an exceptional Senior Backend Engineer to lead the architecture and implementation of our entire cloud-native infrastructure. This is a foundational role responsible for building the scalable, resilient, and secure microservices platform that our AI agents and developer tools will run on.
You will be responsible for everything from our API gateways and database architecture to the Kubernetes-based remote execution sandboxes. You will design the asynchronous systems that manage long-running agentic tasks and build the high-throughput pipelines for LLM inference and telemetry. The ideal candidate is a &quot;10x&quot; backend expert who has built and scaled complex, AI-driven systems in production.
Requirements<h3 class="jobSectionHeader">
Key Responsibilities</h3><ul>
<li>Microservice Architecture: Design, build, deploy, and maintain our platform as a set of resilient, scalable microservices (e.g., auth, payments, agent orchestration).</li>
<li>Agent Orchestration Backend: Build the critical systems that manage the lifecycle of long-running agentic tasks, including state management and asynchronous communication (Kafka, RabbitMQ, etc.).</li>
<li>Remote Sandboxing: Architect and implement the containerized execution environments (Docker, Kubernetes) where agents can safely build, test, and run code.</li>
<li>LLM Inference Infrastructure: Deploy, manage, and wrap high-throughput LLM inference servers (NVIDIA Triton, vLLM) to serve models to our agent systems.</li>
<li>API Design: Design, secure, and manage our core APIs (REST and gRPC), including our public-facing MCP/ACP and internal service-to-service communication.</li>
<li>Data &amp; Telemetry: Build the high-throughput data ingestion pipeline to process and store massive volumes of telemetry and training data from our IDE clients.</li>
<li>Identity &amp; Payments: Implement and manage our authentication (OAuth2/OIDC) and payment/subscription (Stripe) systems.</li>
<li>Infrastructure &amp; Observability: Own our Infrastructure as Code (Terraform) and build out comprehensive observability (Prometheus, Grafana, Jaeger) across the entire stack.</li>
</ul><h3 class="jobSectionHeader">Qualifications &amp; Skills</h3><h3 class="jobSectionHeader">
Core Profile: Sr. Backend Engineer</h3><ul>
<li>Expertise in Microservice Architectures: Proven ability to design, build, deploy, and maintain a complex system as a set of resilient, scalable, and independent microservices.</li>
<li>Advanced API Design &amp; Management: Mastery of designing clean, secure, and high-performance APIs (both REST and gRPC). Experience with API gateways, versioning, and documentation.</li>
<li>Database-agnostic Expertise: Deep practical experience with both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, DynamoDB, Redis) databases, including data modeling, query optimization, and scaling.</li>
<li>Scalable AI/LLM Infrastructure: Must have experience building and scaling backend systems specifically for LLM use cases, understanding the unique demands of stateful, long-running agentic tasks.</li>
<li>Comprehensive Observability: Experience building and managing full-stack observability (e.g., using Prometheus, Grafana, ELK/OpenSearch, and distributed tracing like Jaeger) to ensure system health and performance.</li>
<li>Authentication &amp; Authorization: Expertise in implementing robust identity systems, including sign-up, OAuth2/OIDC, JWTs, and fine-grained Role-Based Access Control (RBAC).</li>
<li>Payment Gateway Integration: Experience integrating and managing payment and subscription systems (e.g., Stripe), including metering and subscription logic.</li>
</ul><h3 class="jobSectionHeader">Specific Experience Required:</h3>
1. Agent Orchestration &amp; Remote Sandboxing<ul>
<li>
Agentic Mode Backend: This is critical. Experience designing systems that manage the lifecycle of complex, long-running &quot;agent&quot; tasks.</li>
<li>Containerized Execution: Deep experience with Docker and Kubernetes (K8s) for orchestrating the &quot;remote sandbox&quot; where agent-generated code is built, run, and tested securely. Familiarity with lightweight virtualization (e.g., Firecracker) is a major plus.</li>
<li>Asynchronous Task &amp; Message Queues: Expertise in using systems like Kafka, RabbitMQ, or gRPC streams to manage communication between microservices, the IDE plugin, and the AI agents, ensuring no data is lost.</li>
</ul>
2. LLM Model Hosting &amp; Inference<ul>
<li>
Model Hosting: Hands-on experience deploying and managing high-throughput LLM inference servers like NVIDIA Triton, TGI, or vLLM on GPU-enabled infrastructure.</li>
<li>Inference API Integration: Building the backend service that securely wraps these inference endpoints, handles request batching, and serves them to the agent orchestrator.</li>
</ul>
3. High-Throughput Data &amp; Cloud Infrastructure<ul>
<li>
Telemetry Ingestion: Designing and building a high-throughput data pipeline to receive, process, and store the massive volume of telemetry and training data sent from the IDE plugin.</li>
<li>Infrastructure as Code (IaC): Mastery of Terraform or CloudFormation to provision and manage the entire cloud infrastructure repeatedly and reliably.</li>
<li>API Security &amp; Management: Implementing rate limiting, request validation, and service-to-service authentication (e.g., mTLS) to protect the MCP/ACP and other public-facing endpoints.</li>
<li>CI/CD &amp; DevOps: A strong DevOps mindset and experience building automated CI/CD pipelines (e.g., GitLab CI, GitHub Actions) for a microservices environment.</li>
</ul><h3 class="jobSectionHeader">Who You Are</h3>
You are a builder at heart, driven by curiosity and a desire to solve hard problems. You don't wait for instructions; you identify opportunities and seize them. You are comfortable with ambiguity and thrive in a fast-paced, in-depth environment where you are encouraged to experiment and push boundaries. You are a clear communicator who can articulate complex technical concepts and work collaboratively to achieve ambitious goals.
Benefits<h3 class="jobSectionHeader">
What We Offer</h3><ul>
<li>Competitive salary in USD</li>
<li>Comprehensive health allowance</li>
<li>Relocation allowance (if you're moving to Islamabad)</li>
<li>Monthly team events and offsites</li>
<li>A beautiful, collaborative office space</li>
<li>Work alongside world-class AI researchers and engineers</li></ul></div>

Senior Backend Engineer

Duseca Software

Exciting Opportunity at Duseca SoftwareWe are seeking a dedicated and skilled Flutter Backend Developer to join our team on-site. We are looking for a developer who is passionate about building high-performance mobile applications and possesses a deep understanding of the Flutter ecosystem and backend integration.Role Overview: Position: Flutter Backend Developer Vacancy: 2 Positions AvailableJob Type: Full-Time (On-Site) <ul><li>Experience Required: 1.5 &ndash; 2 Years Technical Stack &amp; Skills:</li><li>Languages &amp; Frameworks: Flutter, Dart State Management:</li><li>GetX, Riverpod Backend &amp; Databases: Supabase, Firebase API Integration:</li><li>REST APIs, FCM (Firebase Cloud Messaging) Specialized Features:</li><li>Deep Linking Deployment: Google Play Store &amp; Apple App Store DeploymentKey Responsibilities:</li></ul>As a Flutter Backend Developer at Duseca, you will be responsible for:<ul><li>Core Development:</li><li>Writing clean, efficient, and well-documented Dart code for mobile applications</li><li>API &amp; Data: Designing and implementing robust API integrations and handling complex database structures.</li><li>Performance: Optimizing application performance and debugging complex technical issues to ensure a smooth user experience</li><li>State Management: Implementing best practices for state management to ensure scalable and maintainable codebases.</li><li>Collaboration: Working effectively within a team, offering mentorship to peers, and taking ownership of projects.</li><li>Communication: Interfacing with clients to understand requirements and provide technical updates.</li></ul>Location: On-site in Islamabad Apply Now: recruitment.dusecasoftwarepvt@outlook.comHow to Apply: Send your CV with the subject line &quot;Flutter Backend Developer Application&quot; - [Your Name]&rdquo; Comment &quot;Interested&quot; or tag someone who should not miss this opportunity.Job Type: Full-timeWork Location: In person

Flutter Backend Developer

Golden Hawk Technologies

Job Summary:We are looking for an experienced Backend Developer to design, build, and maintain scalable, high-performance backend systems using Node.js in a microservices architecture. You will be responsible for developing robust APIs, managing databases (MongoDB &amp; PostgreSQL), ensuring system reliability, and collaborating closely with frontend, DevOps, and product teams to deliver exceptional products.Roles and Responsibilities:Design, develop, and maintain scalable backend services using Node.js in a microservices architecture with emphasis on modularity, reusability, and fault tolerance.  Build and expose secure, well-documented RESTful and GraphQL APIs following API-first design principles.  Implement event-driven architectures using message brokers (e.g., RabbitMQ, Kafka, or Azure Service Bus) to enable asynchronous communication between microservices.  Design and optimize data models and queries for both MongoDB (NoSQL) and PostgreSQL (Relational), ensuring performance, data integrity, and scalability.  Implement authentication &amp; authorization (OAuth2, JWT, OpenID Connect) and apply security best practices across services and APIs.  Optimize application performance through caching (Redis), query optimization, load balancing, and efficient resource utilization.  Troubleshoot and resolve production incidents, perform root cause analysis, and implement preventive measures to ensure high availability and minimal downtime.  Conduct code reviews, mentor junior developers, and contribute to architectural decisions and technical standards.  Collaborate with frontend developers, DevOps engineers, product managers, and QA to define requirements, design solutions, and deliver features on schedule.  Stay up-to-date with the latest backend technologies, tools, and best practices and proactively suggest improvements to the system architecture.Competencies:Strong experience building and maintaining microservices and API-driven applications.  Expertise in MongoDB (including aggregation pipelines, indexing, and schema design) and PostgreSQL (advanced SQL, transactions, optimizations).  Solid understanding of event-driven architecture and message queues (RabbitMQ, Kafka, etc.).  Experience with Azure cloud services (App Service, Functions, AKS, API Management, Cosmos DB, etc.) and CI/CD using Azure DevOps or similar.  Proficiency in building and securing REST &amp; GraphQL APIs.  Strong knowledge of authentication/authorization mechanisms (JWT, OAuth2, etc.).  Experience with containerization (Docker) and orchestration (Kubernetes) is a big plus.  Excellent problem-solving skills and ability to debug complex issues in distributed systems.  Strong communication skills and experience working in Agile/Scrum environments.Education: Minimum Bachelor&rsquo;s Degree in Software DevelopmentMinimum Experience: 2+ years of hands-on experience in backend development with Node.js (Express, NestJS, or Fastify preferred).Job Type: Full-timePay: Rs100,000.00 - Rs150,000.00 per monthWork Location: In person

Backend Developer

Provox Global Solutions

We are seeking an experienced Full Stack Developer to lead the development and integration of a donation plugin with Pakistani banking payment APIs and create an interactive map system with advanced filtering capabilities. This role requires strong technical expertise in both frontend and backend development, payment gateway integration, and geospatial data visualization.Key ResponsibilitiesDonation Plugin Development &amp; Payment API Integration<ul><li>Design and develop a secure, user-friendly donation plugin that seamlessly integrates with the organization's WordPress website.</li><li>Integrate the donation system with the bank's Payment API, ensuring PCI DSS compliance and secure transaction processing</li><li>Implement multiple payment methods including credit/debit cards, mobile wallets, and bank transfers as supported by the Payment API (The Bank of Punjab)</li><li>Build a robust backend system to handle transaction processing, validation, and error handling</li><li>Develop real-time payment status tracking and automated receipt generation</li><li>Create an admin dashboard for monitoring donations, generating reports, and managing refunds</li><li>Implement webhook handlers for payment confirmations and status updates</li><li>Ensure proper logging, error tracking, and transaction audit trails</li></ul>Interactive Map Development<ul><li>Design and develop an interactive map interface with intuitive user experience</li><li>Implement district-wise and province-wise filtering systems with dynamic data loading</li><li>Create responsive map visualizations that work seamlessly across desktop and mobile devices</li><li>Develop APIs to serve geospatial data efficiently with proper caching mechanisms</li><li>Integrate mapping libraries (such as Google Maps API) with custom overlays and markers</li><li>Build a data management system for updating and maintaining geographical information</li><li>Implement search functionality and geolocation features</li><li>Create visual indicators and legends for different data categories on the map</li></ul>Required Technical SkillsFrontend Development<ul><li>Proficiency in modern JavaScript frameworks (React, Vue.js, or Angular)</li><li>Strong knowledge of HTML5, CSS3, and responsive design principles</li><li>Experience with state management libraries (Redux, Vuex, or similar)</li><li>Familiarity with mapping libraries (Leaflet, Mapbox GL JS, Google Maps API)</li><li>Understanding of UI/UX best practices</li></ul>Backend Development<ul><li>Strong experience with server-side languages (PHP)</li><li>Expertise in RESTful API design and development</li><li>Knowledge of database systems (MySQL)</li><li>Experience with API authentication methods (OAuth, JWT, API keys)</li><li>Understanding of micro services architecture</li></ul>Payment Integration &amp; Security<ul><li>Proven experience integrating with payment gateways and Pakistani banking APIs</li><li>Knowledge of PCI DSS compliance requirements</li><li>Understanding of secure coding practices and data encryption</li><li>Experience handling sensitive financial data</li></ul>Additional Technical Requirements<ul><li>Version control proficiency with Git</li><li>Experience with cloud platforms (AWS, Google Cloud, or Azure)</li><li>Knowledge of Docker and containerization</li><li>Familiarity with CI/CD pipelines</li><li>Understanding of geospatial data formats (Geo JSON, KML, Shapefile)</li><li>Experience with Post GIS or similar geospatial databases</li></ul>Qualifications<ul><li>Bachelor's degree in Computer Science, Software Engineering, or related field</li><li>3-5 years of experience in full stack development</li><li>Proven track record of successful payment gateway integrations</li><li>Portfolio demonstrating map-based applications or geospatial projects</li><li>Strong problem-solving and debugging skills</li><li>Excellent communication and documentation abilities</li><li>Ability to work independently and meet project deadlines</li></ul>Preferred Qualifications<ul><li>Experience with Pakistan-based payment gateways (Direct Bank transfer via Credit/Debit or Master Cards)</li><li>Knowledge of Pakistan's geographical administrative divisions</li><li>Experience with data visualization libraries (D3.js, Chart.js)</li><li>Familiarity with test-driven development (TDD)</li><li>Understanding of GDPR and local data protection regulations</li></ul>Deliverables<ul><li>Fully functional payment API integration</li><li>Interactive map with district-wise and province-wise filtering capabilities</li><li>Comprehensive technical documentation</li><li>API documentation for both systems</li><li>Admin panel with reporting features</li><li>Testing documentation and quality assurance reports</li><li>Deployment guides and maintenance procedures</li></ul>Project Duration[1 to 2 Months]Location[Remote]Job Type: Full-timeWork Location: In person

Full Stack Developer (WordPress)

Wolfiz Solutions Pvt. Ltd

Wolfiz Solutions is seeking a passionate and detail-oriented Junior SQA Engineer with a strong interest in web and mobile application testing. This role is ideal for candidates with up to 1 year of experience in software quality assurance who are eager to grow, learn, and contribute within a collaborative and fast-paced environment.Key Responsibilities:<ul><li>Perform end-to-end functional, regression, and UI testing for web and mobile applications (Android &amp; iOS) to ensure functionality, usability, performance, and compatibility across browsers and devices.</li><li>Write and execute detailed test cases, test plans, and checklists based on business requirements and technical specifications.</li><li>Conduct API testing using tools such as Postman to validate backend services and integrations.</li><li>Identify, report, and track bugs using tools like Jira, Trello, or other bug tracking platforms, ensuring clear documentation and follow-up.</li><li>Collaborate closely with developers, designers, and product managers to support timely and high-quality releases.</li><li>Participate in requirement analysis and contribute to defining test strategies and quality standards.</li><li>Prepare and maintain test documentation, test reports, and basic release notes, suggesting quality improvements where applicable.</li><li>Perform basic mobile app testing on real devices and emulators/simulators.</li></ul>Requirements:<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field.</li><li>Up to 1 year of experience in software quality assurance, with exposure to web and/or mobile application testing.</li><li>Hands-on experience in writing and executing manual test cases for web and mobile applications.</li><li>Experience with API testing tools such as Postman.</li><li>Familiarity with bug tracking and test management tools (Jira, Trello, TestRail, etc.).</li><li>Basic understanding of QA methodologies, SDLC, and Agile/Scrum environments.</li><li>Strong analytical and problem-solving skills with attention to detail.</li><li>Good communication and collaboration skills, with a quality-first and user-focused mindset.</li></ul>Job Type: Full-timeEducation:<ul><li>Bachelor's (Required)</li></ul>Location:<ul><li>Islamabad (Required)</li></ul>Work Location: In person

Junior SQA Engineer

SME Careers

<div>
 As an hourly paid, fully remote Go Engineer for AI Data Training, you will review AI-generated Go code and explanations or generate your own, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for correctness, readability, and adherence to backend-style best practices; identify errors in concurrency, error handling, or conceptual understanding; fact-check information; write high-quality explanations and model solutions that demonstrate idiomatic Go; and rate and compare multiple AI responses based on correctness and reasoning quality.
 
 This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate that provides AI training data for many of the world&rsquo;s largest AI companies and foundation model labs, and your work will directly help improve the world&rsquo;s premier AI models while giving you the flexibility of impactful, detail-oriented remote contract work.
 
 
 Key Responsibilities
 
 
 <ul>
 <li>
 Develop AI Training Content: Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
 </li>
 <li>
 Optimize AI Performance: Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
 </li>
 <li>
 Ensure Model Integrity: Test AI models for potential inaccuracies or biases, validating their reliability across use cases.
 
 </li>
 </ul>
 
 Your Profile
 
 
 <ul>
 <li>
 1&ndash;2+ years of professional Go programming experience, ideally focused on backend services, APIs, or systems work.
 </li>
 <li>
 Strong understanding of Go idioms, including clear error handling, composition over inheritance, and simple, readable interfaces.
 </li>
 <li>
 Hands-on software engineering experience building and maintaining backend-style Go applications in production environments.
 </li>
 <li>
 Ability to evaluate correctness and readability in backend-oriented Go code, including concurrency patterns, error propagation, and API design.
 </li>
 <li>
 Significant experience using LLMs or AI coding assistants while programming, combined with a disciplined approach to validating their output.
 </li>
 <li>
 Excellent English writing skills, capable of producing precise, structured, and pedagogical technical explanations.
 </li>
 <li>
 Minimum Bachelor&rsquo;s degree in Computer Science or a closely related technical field.
 </li>
 <li>
 Previous experience with AI data training, code review at scale, or evaluation of AI-generated technical content is strongly preferred; Minimum C1 English proficiency and an extremely detail-oriented working style are required.
 </li>
 <li>
 Highly preferred: hands-on experience with Go frameworks and libraries such as Gin, gRPC, or Echo in real projects.
 </li>
 <li>
 Preferred: merged PRs in Go open-source projects, competitive programming experience, cloud-native development exposure, and familiarity with Go performance profiling tools and techniques.
 </li>
 </ul>
</div>

Go Engineer

Explore 167+ Api backend engineer in Islamabad this January. Find roles across top companies and apply now to boost your career.