backend developer

PROZ TECHNOLOGIES

Mobility - Senior Backend Developer - Node.js / MiddlewareJob Description<ul><li>Take full ownership of assigned technical and development activities related to backend services, middleware development, integrations, change requests, enhancements, and project tasks.</li><li>Design, develop, and implement scalable middleware services to enable secure communication between mobile applications and enterprise backend systems.</li><li>Develop secure RESTful APIs using Node.js frameworks such as Express or NestJS.</li><li>Design and implement authentication, authorization, and role-based access controls.</li><li>Implement secure coding standards including encryption, token-based authentication (JWT/OAuth2), and API security best practices.</li><li>Design and manage database schemas and data models across relational and non-relational databases.</li><li>Integrate middleware services with enterprise systems (ERP, HR, Finance, SCM, etc.) and third-party platforms including payment gateways.</li><li>Develop API documentation using Swagger/OpenAPI standards.</li><li>Manage API versioning and source code control using enterprise version control practices.</li><li>Deploy and manage applications across on-premise and/or cloud environments.</li><li>Configure servers, manage environments, and implement CI/CD pipelines.</li><li>Use process managers (e.g., PM2) and implement logging/monitoring mechanisms for production systems.</li><li>Optimize applications for performance, scalability, and high availability.</li><li>Support production systems including troubleshooting, debugging, and root cause analysis.</li><li>Host and deploy web services as required.</li><li>Document code and technical designs consistently throughout the development lifecycle.</li><li>Generate and maintain design documents and technical specifications.</li><li>Review technical solutions and participate in peer code/design reviews.</li><li>Liaise with mobile developers, functional consultants, Business IS teams, and infrastructure/security teams during design, development, testing, and deployment phases.</li><li>Review, fix, enhance, and develop backend components as required.</li><li>Perform quality assurance and support testing for all deliverables.</li><li>Follow HMC Service Management guidelines, adhering strictly to Change and Release Management processes and using the HMC ticket management system for deployments.</li></ul>Experience and Skills<ul><li>Bachelor&rsquo;s degree in Computer Science, Engineering, or related discipline.</li><li>5+ years of experience in backend development and middleware technologies.</li><li>Strong hands-on expertise in Node.js development using frameworks such as Express and/or NestJS.</li><li>Proven experience in designing and developing scalable RESTful APIs.</li><li>Strong experience in implementing authentication and authorization mechanisms including JWT and OAuth2.</li><li>Experience with encryption techniques and secure coding best practices.</li><li>Strong database experience including design and management of:</li><li>Oracle</li><li>PostgreSQL</li><li>MySQL</li><li>MongoDB (preferred)</li><li>Experience integrating with enterprise systems and third-party services including payment gateways.</li><li>Experience in API documentation using Swagger/OpenAPI.</li><li>Experience in deployment and environment management (on-premise and/or cloud).</li><li>Experience implementing CI/CD pipelines.</li><li>Knowledge of server configuration, process managers (e.g., PM2), and monitoring/logging tools.</li><li>Strong understanding of performance tuning, scalability, and production support.</li><li>Working knowledge of Oracle E-Business Suite / Oracle Fusion integrations will be considered a plus.</li><li>Understanding of enterprise integration patterns and middleware architecture.</li></ul>Job Type: Full-timePay: Up to QAR15,000.00 per month

Mobility - Senior Backend Developer - Node.js / Middleware

C2HR LLP

Job description:We are expanding our technical team and looking for a talented Python/Django Developer to join our growing company.Location: Qatar (must hold a transferable RP)Responsibilities:Develop and maintain backend systems using Python (Django).Design and manage RESTful APIs for web and mobile apps.Integrate data between backend, frontend, and mobile platforms.Optimize applications for maximum performance and scalability.Collaborate with other developers, designers, and product managers.Write clean, secure, and maintainable code following best practices.Requirements:2+ years of professional experience in Python and Django.Strong understanding of REST APIs, PostgreSQL/MySQL, and Git.Familiarity with Docker, CI/CD pipelines, and cloud platforms.Must be based in Qatar or hold a transferable RP.Excellent problem-solving and teamwork skills.Bonus Points:Experience with testing frameworks and performance optimization.Knowledge of clean architecture and security best practices.Enthusiasm for learning new technologies.Job Type: Full-timeJob Type: PermanentPay: QAR5,000.00 - QAR10,000.00 per monthApplication Question(s):<ul><li>What is your current salary?</li><li>What is your notice period? </li><li>Do you hold a transferable RP in Qatar?</li><li>Can you briefly describe a Django project you worked on recently and your exact role in it?</li></ul>Experience:<ul><li>Python/Django Developer: 2 years (Preferred)</li></ul>

Python/Django Developer (must hold a transferable Qatar RP)

Snoonu

<div>
 
 🚀 Welcome to Your Next Adventure!
 
 
 
 
 🛠 What You&rsquo;ll Get Your Hands On
 
 
 
 <ul>
 <li>
 Design and build backend services using .NET Core 8 and ensure they integrate smoothly with other parts of the system.
 </li>
 <li>
 Optimize database performance through query optimization and implementing efficient data models in PostgreSQL, MongoDB, and DynamoDB.
 </li>
 <li>
 Participate in system design discussions to contribute to architectural improvements and ensure scalability and maintainability of services.
 </li>
 <li>
 Conduct code reviews to ensure adherence to coding standards and provide feedback to improve team performance.
 </li>
 <li>
 Implement refactoring efforts to improve existing codebases for better efficiency and readability.
 </li>
 <li>
 Write unit tests, integration tests, and ensure high test coverage for backend services.
 </li>
 <li>
 Troubleshoot and debug complex issues in both production and development environments.
 </li>
 <li>
 Document technical decisions, systems, and processes to support team knowledge sharing and future development.
 </li>
 <li>
 Participate in production deployments, ensuring that all systems function as expected after new releases.
 
 
 </li>
 </ul>
 
 🧙&zwj;&male;️ The Magic You Bring
 
 
 
 <ul>
 <li>
 7+ years of experience in backend development, with 5+ years of experience working specifically with .NET Core.
 </li>
 <li>
 Proficiency in RESTful services and gRPC design and development, with a focus on maintainability and scalability.
 </li>
 <li>
 Expertise in relational databases like PostgreSQL and non-relational databases like MongoDB and DynamoDB.
 </li>
 <li>
 Familiarity with message brokers such as RabbitMQ and understanding of asynchronous operations and distributed systems.
 </li>
 <li>
 Deep understanding of software design patterns (e.g., Singleton, Factory, Strategy) and the ability to refactor and optimize existing codebases.
 </li>
 <li>
 Experience with code refactoring techniques, improving code structure and maintainability while preserving functionality.
 </li>
 <li>
 Experience in conducting unit testing, integration testing, and performance testing to ensure application robustness.
 
 
 </li>
 </ul>
 
 ✨ Bonus Points If You Have
 
 
 
 <ul>
 <li>
 Strong experience in diagnosing and resolving complex performance issues, such as memory leaks, using advanced profiling and optimization tools.
 </li>
 <li>
 Ability to lead large-scale projects, ensuring alignment with both technical and business objectives.
 </li>
 <li>
 Experience in mentoring junior developers and guiding team growth.
 </li>
 <li>
 Familiarity with load testing and performance tuning.
 </li>
 <li>
 Ability to contribute to technical discussions and offer creative solutions.
 </li>
 <li>
 Experience with diagramming tools like Miro
 
 
 </li>
 </ul>
 
 Inside Snoonu&rsquo;s Universe
 
 
 
 Snoonu is Qatar&rsquo;s homegrown Super App, reinventing daily life with blazing-fast delivery, ride-hailing, and shopping - all in one place. Powered by tech, driven by a global team, and obsessed with making life easier.
 
 
 
 The Dream We&rsquo;re Chasing
 
 
 
 To be the first Qatari Super App that propels the region and its community through innovation and technology. We envision a global expansion where what we do surpasses norms and limitations every time.
 
 
 
 The Quest We&rsquo;re On
 
 
 
 To radically transform how people live by leveraging technology to connect them with endless possibilities.
 
 
 
 Our Everyday Superpowers
 
 
 
 
 👥 Be Customer Obsessed:
 
 &ldquo;Focus on the customer and all else will follow.&rdquo;
 
 
 
 💪 Act with Integrity:
 
 &ldquo;We are honest, ethical, and trustworthy in everything we do.&rdquo;
 
 
 
 🧪 Be Curious and Creative:
 
 &ldquo;We constantly innovate and create solutions to bring a lasting positive impact.&rdquo;
 
 
 🏅
 
 Lead by Example and Take Ownership:
 
 &ldquo;Be the change you want to see and take ownership.&rdquo;
 
 
 
 🚀 Work Smart and Deliver Results:
 
 &ldquo;You can do more by doing less, better, and faster.&rdquo;
 
 
 
 👨&zwj;💼 It's All About People:
 
 &ldquo;Be a team player; together we are stronger.&rdquo;
 
 
 
 Perks &amp; Worklife Magic At Snoonu
 
 
 
 
 🌐 Remote &amp; Global Vibes &ndash;
 
 Collaborate with a worldwide crew.
 
 
 
 🧠 Brain Boosters &ndash;
 
 Learning budgets, access to courses, and tools for your growth.
 
 
 
 🚒 Builder&rsquo;s Playground &ndash;
 
 Own your tasks, own your path! We&rsquo;re big on autonomy.
 
 
 
 🌺 Flexible Time Off &ndash;
 
 We take recharging seriously. Generous leave and wellness policies.
 
 
 
 🛠️ Agile Everything &ndash;
 
 Scrum isn&rsquo;t a buzzword here. It&rsquo;s how we roll, from product to ops.
 
 
 
 Beyond the Code: Giving Back Matters
 
 
 
 We don&rsquo;t just build an app. We&rsquo;re committed to doing business sustainably and giving back to the community that fuels us. From eco-conscious practices to CSR projects, we&rsquo;re always finding ways to do better&mdash;and we invite you to be a part of that mission.
 
 
 
 Diversity Isn&rsquo;t Just a Buzzword
 
 
 
 At Snoonu, fairness and inclusion are the foundation of everything we do. We&rsquo;re proud to be an equal opportunity workplace that welcomes people from every walk of life. Be bold. Be you. Thrive here.
 
 
 
 Let&rsquo;s Build the Future Together
 
 
 
 Apply now to join a tech team where your code sparks change, your voice is heard, and your growth is guaranteed. Let&rsquo;s make some tech magic together.
 
 
 Stay in the loop&mdash;connect with us on LinkedIn!
</div>

Senior Backend Engineer

Ebla computer consultancy

The candidate should have a strong technical knowledge in the following's areas:-Frontend technology-Database-BackendMust be ARABIC speaking and preferably based in QATARSolid technical ManagementJob Type: Full-timeWork Location: In person

Senior Technical Manager-IT

QatarEnergy

<div>
 
 Primary Purpose Of The Job
 
 
 
 Design and build efficient and innovative software solutions and interfaces that integrate with QatarEnergy Trading&rsquo;s existing IT architecture to enable business growth and risk control through automation.
 
 
 <ul>
 <li>
 Work with traders, risk &amp; finance managers, system architects, business analysts, project managers and other ICT departments to develop efficient and scalable systems, applications, interfaces and tools from scratch, and enable QatarEnergy Trading business growth through high level of automation and process optimization.
 </li>
 <li>
 Build and maintain software solutions that fully integrate with the existing third party and in-house platforms in accordance with QET&rsquo;s overall IT architecture design.
 </li>
 <li>
 Provide timely technical support to in-house trading solutions to ensure business continuity.
 </li>
 <li>
 Establish DevOps framework and tools for the Trading Solutions team as the foundation for futures growth and long-term success.
 </li>
 <li>
 Lead external IT consultants and developers, provide technical requirements and test cases, manage the development timeline, and perform quality control to ensure the delivery of IT solutions that meet the business requirements.
 </li>
 <li>
 Stay updated with the latest technology and tools, find innovative solutions, conduct POCs, document and share knowledge &amp; practices to help QatarEnergy Trading gain a sustainable and competitive advantage in the market.
 </li>
 <li>
 Apply security measures by following security procedures and standards to ensure secure environment, manage and address Trading systems vulnerabilities and threats, adhere to established standards, processes, procedures, and policies throughout the software development life cycle.
 
 
 </li>
 </ul>
 
 Required Experience And Skills
 
 
 
 <ul>
 <li>
 Minimum 8 years of experience designing, developing and implementing multitier software solutions using C#, Angular JS, .Net within a commodity trading, banking or hedge fund environment.
 </li>
 <li>
 Minimum 3 years of experience developing, deploying, and maintaining systems on Azure, with expertise in Azure services (Azure Active Directory, Azure Functions, Azure Service Bus, Azure App Services, Azure Storage, Azure SQL, Azure Cosmos DB, etc) and the implementation practices.
 </li>
 <li>
 Experience on backend API development using C#. In-depth knowledge of RESTful and GraphQL web services is required.
 </li>
 <li>
 Experience on frontend SPA development using Angular.
 </li>
 <li>
 Hands on experience with CI/CD tooling including platforms such as Azure DevOps, Github.
 </li>
 <li>
 Experience using infrastructure-as-code tools such as Bicep or Terraform.
 </li>
 <li>
 Extensive experience in writing efficient SQL, and relevant experience with database design.
 </li>
 <li>
 Ability to perform full SDLC activities using Agile methods, including requirement definition, prototyping, proof of concept, design, implementation, testing and maintenance.
 </li>
 <li>
 Understanding of micro-services architecture.
 </li>
 <li>
 Understanding of microfrontend is preferred.
 </li>
 <li>
 Good understanding of straight-through-processing (STP) requirements and FIX protocol is preferred.
 </li>
 <li>
 Knowledge and experience in the implementation, maintenance of cloud solutions using Azure DevOps and other cloud technologies (e.g. Microsoft Azure Data Factory, Data Bricks) and building reporting capabilities is preferred.
 </li>
 <li>
 Experience working with any CTRM/ETRM system is preferred.
 </li>
 <li>
 Proficiency in Python is a plus.
 </li>
 <li>
 Excellent written and verbal communications skills.
 </li>
 <li>
 Self-reliance and self-sufficiency; willingness to help build a business from the ground upwards in a phased manner but with quick short-term solutions essential for success.
 </li>
 <li>
 Strong delivery focus is critical.
 
 
 </li>
 </ul>
 
 Educational Qualifications
 
 
 
 Bachelor&rsquo;s degree in computer science, engineering or related field.
</div>

SR. SYSTEMS ENGINEER (APPLICATION DEVT)

Ansar Gallery

Senior Magento Web DeveloperJob SummaryWe are seeking a highly skilled Senior Magento Web Developer to lead the development, customization, and optimization of Magento-based eCommerce platforms. The ideal candidate will have deep expertise in Magento (including Magento 2), strong backend and frontend development skills, and experience delivering scalable, high-performance online stores.Key Responsibilities<ul><li>Lead development and customization of Magento-based eCommerce websites</li><li>Architect scalable solutions using Magento best practices</li><li>Develop custom modules, extensions, and integrations</li><li>Integrate third-party services (payment gateways, shipping APIs, ERP/CRM systems)</li><li>Optimize website performance, security, and scalability</li><li>Perform code reviews and mentor junior developers</li><li>Manage deployments, version control, and CI/CD processes</li><li>Troubleshoot complex technical issues</li><li>Collaborate with designers, project managers, and stakeholders</li><li>Ensure adherence to coding standards and documentation practices</li></ul>Required Skills &amp; QualificationsTechnical Skills<ul><li>5+ years of experience with Magento (minimum 3+ years in Magento 2)</li><li>Strong proficiency in PHP, MySQL, HTML5, CSS3, JavaScript</li><li>Experience with Magento architecture (EAV model, DI, plugins, observers)</li><li>Expertise in REST &amp; GraphQL APIs</li><li>Experience with theme development and UI component customization</li><li>Knowledge of caching mechanisms (Varnish, Redis)</li><li>Familiarity with Elasticsearch integration</li><li>Experience with Git version control</li><li>Understanding of security best practices and PCI compliance</li></ul>Preferred Qualifications<ul><li>Magento certification (Adobe Commerce Certified Professional)</li><li>Experience with cloud hosting (AWS, Azure)</li><li>Knowledge of PWA and headless commerce architectures</li><li>Experience with DevOps tools (Docker, Jenkins)</li></ul>Soft Skills<ul><li>Strong problem-solving abilities</li><li>Excellent communication skills</li><li>Leadership and mentoring capability</li><li>Ability to manage multiple projects</li><li>Detail-oriented with strong organizational skills</li></ul>Education &amp; Experience<ul><li>Bachelor&rsquo;s degree in Computer Science, IT, or related field (or equivalent experience)</li><li>5&ndash;8+ years of professional web development experience</li><li>Proven experience delivering enterprise-level eCommerce solutions</li></ul>Key Competencies<ul><li>eCommerce architecture design</li><li>Performance optimization</li><li>Custom module development</li><li>System integration</li><li>Technical leadership</li></ul>Job Type: Full-timePay: QAR5,000.00 - QAR10,000.00 per month

Magento Senior Web Developer

JOB DESCRIPTIONThe Solution &amp; App Architect designs and governs application architectures for TASMU Platform 2.0 capabilities and solutions delivered by multiple vendors. The role ensures that application designs are cloud-agnostic, secure-by-design, scalable, and aligned with TASMU platform standards (identity, APIs, observability, CI/CD, and service catalog patterns). Working closely with product owners, SIs, and platform/security teams, the architect defines application blueprints, runtime patterns (microservices, event-driven, mobile/web), integration contracts, and non-functional requirements. The role provides architecture assurance across delivery phases and ensures operational readiness, maintainability, and consistent developer experience.DUTIES &amp; RESPONSIBILITIES<ul><li>Define target-state application architecture for TASMU capabilities and onboarded smart solutions (web, mobile, backend services).</li><li>Establish cloud-agnostic app patterns: microservices, modular monolith, event-driven workflows, and API-first design.</li><li>Specify application NFRs (availability, scalability, performance, resiliency, observability, localization) and acceptance criteria.</li><li>Define identity and authorization patterns (Entra/OIDC, RBAC, token scopes, service-to-service auth).</li><li>Ensure consistent API and event design (OpenAPI/AsyncAPI, versioning, idempotency, rate limits, backward compatibility).</li><li>Drive secure application architecture (OWASP, secure storage, secrets handling, encryption, input validation, threat modeling).</li><li>Define data access patterns and caching strategies; align with platform data governance and multi-tenant boundaries.</li><li>Provide architecture assurance through design reviews, ADRs, and implementation checkpoints with vendors.</li><li>Define deployment and release patterns (blue/green, canary, feature flags) aligned with GitOps and CI/CD.</li><li>Support operational readiness: logging/metrics/tracing, runbooks, SLOs, incident readiness, and handover to operations.</li></ul>SKILLS &amp; ABILITIES<ul><li>Strong application architecture skills across frontend/mobile, backend services, and distributed systems.</li><li>Expertise in API design, integration patterns, and event-driven architectures.</li><li>Ability to translate business workflows into robust application services and user journeys.</li><li>Proven security-by-design and performance/resiliency engineering capability.</li><li>Strong documentation and decision-making discipline (ADRs, diagrams, reference implementations).</li></ul>POTENTIAL BACKGROUND<ul><li>Bachelor's degree in Computer Science, information technology, Cybersecurity, a Master&rsquo;s degree is highly preferred.</li><li>7+ years in solution/application architecture or senior engineering roles delivering enterprise platforms.</li><li>Experience with Kubernetes-based deployments and cloud-native patterns, with emphasis on portability/cloud agnostic choices.</li><li>Hands-on background with modern web/mobile architectures and scalable backend frameworks.</li><li>Experience integrating with IAM, API gateways, observability stacks, and CI/CD tooling in regulated environments.</li><li>Familiarity with architecture frameworks and quality practices (TOGAF concepts, DDD, clean architecture, 12-factor apps).</li></ul>PREFERRED TOOLS / SOFT SKILLSPreferred tools:<ul><li>API &amp; integration: OpenAPI/AsyncAPI, Postman, API gateways (Azure APIM / Apigee / Kong)</li><li>Delivery &amp; deployment: GitHub/Azure DevOps, Docker, Kubernetes, Helm, feature flags (PostHog/LaunchDarkly-style)</li><li>Observability &amp; security: OpenTelemetry, Dynatrace/Datadog, SAST/DAST tooling, OWASP dependency scanning</li></ul>Soft skills:<ul><li>Strong facilitation for design workshops and cross-vendor alignment</li><li>Clear communication with both product and engineering stakeholders</li><li>Pragmatic prioritization and decision-making under delivery constraints</li><li>Ownership and accountability for architecture quality and outcomes</li><li>Mentoring mindset and ability to uplift vendor and internal engineering teams</li></ul>Job Type: PermanentPay: Up to QAR20,000.00 per month

Solution & APP Architect

Explore 30+ Backend developer in Doha this March. Find roles across top companies and apply now to boost your career.