backend developer

Human Capital Group

Key Responsibilities<ul><li>Design, develop, test, deploy, maintain, and enhance robust, scalable backend applications.</li><li>Architect and implement high-performance APIs for our platform.</li><li>Identify and resolve code inefficiencies, proposing effective technical solutions.</li><li>Participate in technology evaluations and rapid prototyping of new concepts.</li><li>Build maintainable, scalable, and performant systems following best practices in security and design.</li><li>Troubleshoot and resolve application issues to ensure a seamless client experience.</li><li>Collaborate closely with team members in an agile environment, fostering a culture of learning and innovation.</li><li>Manage server and database infrastructure to ensure optimal performance and reliability.</li><li>Take full ownership of projects from concept to deployment.</li></ul>Qualifications<ul><li>Bachelor&rsquo;s degree in Computer Science or equivalent practical experience.</li><li>7+ years of backend development experience.</li><li>Strong proficiency in PHP (preferred) or other backend languages such as Python, Ruby, Java, or .NET.</li><li>Solid understanding of relational databases (MySQL or similar).</li><li>Experience with AWS services such as EC2, S3, RDS, Aurora is a strong advantage.</li><li>Proven experience designing and developing APIs.</li><li>Excellent verbal and written communication skills.</li><li>Strong problem-solving abilities and attention to detail.</li><li>Passion for innovation and contributing to a dynamic engineering culture.</li></ul>Job Types: Full-time, PermanentPay: QAR8,000.00 - QAR12,000.00 per monthWork Location: In person

Senior Backend Developer

Key Responsibilities<ul><li>Lead and mentor a team of backend developers, fostering collaboration and continuous improvement.</li><li>Design, develop, test, deploy, and maintain scalable backend services and APIs.</li><li>Architect and implement high-performance, secure APIs for our payment platform.</li><li>Drive technical decision-making, code quality standards, and best practices across the team.</li><li>Conduct code reviews and ensure adherence to architecture, security, and performance guidelines.</li><li>Collaborate with product and engineering teams to translate business requirements into scalable technical solutions.</li><li>Identify technical risks and propose solutions to improve performance, reliability, and scalability.</li><li>Oversee system architecture and contribute to long-term technical strategy.</li><li>Manage and optimize server and database infrastructure for high availability and performance.</li><li>Troubleshoot complex production issues and guide the team in efficient resolution.</li><li>Lead technical planning, sprint execution, and delivery within an agile environment.</li></ul>Qualifications<ul><li>Bachelor&rsquo;s degree in Computer Science or equivalent practical experience.</li><li>8+ years of backend development experience, including 2+ years in a technical leadership or team lead role.</li><li>Strong proficiency in PHP (preferred) or backend languages such as Python, Ruby, Java, or .NET.</li><li>Solid experience with relational databases (MySQL or similar).</li><li>Strong background in designing RESTful APIs and scalable backend architectures.</li><li>Hands-on experience with AWS services (EC2, S3, RDS, Aurora).</li><li>Proven ability to lead teams and manage technical delivery.</li><li>Excellent problem-solving skills and attention to detail.</li><li>Strong communication and collaboration abilities.</li></ul>Job Types: Full-time, PermanentPay: QAR9,000.00 - QAR14,000.00 per monthWork Location: In person

Team Lead Backend Developer

Karami Companies Management

Full Stack DeveloperWe are looking for a skilled Full Stack Developer to design, develop, and maintain scalable web applications across frontend and backend. The ideal candidate will ensure high performance, robust security, and seamless integration with cloud services.Key Responsibilities<ul><li>Develop and maintain web and mobile applications using React or Flutter</li><li>Build backend services with Node.js and Express</li><li>Design, implement, and maintain REST APIs</li><li>Work with databases such as MongoDB, Firestore, or Cloud SQL</li><li>Collaborate on system architecture and scalable solutions</li><li>Implement state management using Redux or similar tools</li><li>Ensure application performance, security, and reliability</li><li>Integrate applications with cloud platforms (e.g., GCP)</li><li>Collaborate with team members using Git for version control</li><li>Optionally, work with Laravel or Python for backend services</li><li>Implement gRPC for efficient service-to-service communication</li></ul>Required Skills &amp; Qualifications<ul><li>Strong experience in frontend frameworks: React or Flutter</li><li>Proficient in Node.js and Express</li><li>Knowledge of REST APIs and gRPC</li><li>Experience with databases: MongoDB, Firestore, or Cloud SQL</li><li>Familiarity with state management (Redux or equivalent)</li><li>Basic understanding of system architecture and scalable solutions</li><li>Experience with cloud services (GCP preferred)</li><li>Version control using Git</li><li>Knowledge of Laravel or Python is a plus</li></ul>Job Types: Full-time, PermanentApplication Question(s):<ul><li>Please provide your portfolio link or GitHub profile:</li><li>Do you have experience in full stack development?</li><li>Have you worked with React or Flutter?</li><li>Have you worked with Node.js / Express?</li><li>Have you worked with Python / Django / Flask?</li><li>Have you worked with Laravel?</li><li>Have you worked with MongoDB/Firestore/Cloud SQL?</li><li> Have you worked with REST APIs?</li><li>Have you worked with gRPC?</li><li>Do you have experience with cloud platforms (e.g., GCP, AWS)?</li><li>Are you proficient with Git?</li><li>Have you used Redux or similar state management libraries?</li></ul>Work Location: In person

Full Stack Developer

ThreeU

About the RoleWe&rsquo;re looking for a Senior Fullstack Developer with a strong backend focus who can build scalable systems end-to-end and isn&rsquo;t afraid to go beyond traditional engineering.This role is ideal for an all-rounder builder &mdash; someone who can design robust backend architectures, ship fullstack features, and is excited about the next wave of software: AI-native and agent-driven systems.What You&rsquo;ll Do<ul><li>Design and build scalable backend systems, APIs, and services</li><li>Develop fullstack features (backend-first, frontend when needed)</li><li>Own projects end-to-end: architecture &rarr; implementation &rarr; deployment &rarr; monitoring</li><li>Integrate and build with AI systems (LLMs, APIs, workflows)</li><li>Design and implement agentic workflows and automations</li><li>Optimize performance, reliability, and security across the stack</li><li>Collaborate with product and design to turn ideas into production systems</li><li>Contribute to technical strategy and system design decisions</li><li>Mentor and support other engineers</li></ul>What We&rsquo;re Looking ForCore Requirements<ul><li>5+ years experience as a fullstack or backend-focused engineer</li><li>Strong backend expertise (Node.js, Python, Go, or similar)</li><li>Experience building scalable APIs (REST / GraphQL)</li><li>Solid understanding of databases (SQL + NoSQL)</li><li>Experience with cloud infrastructure (AWS, GCP, etc.)</li><li>Strong fundamentals in system design, scalability, and performance</li></ul>Frontend (Working Knowledge)<ul><li>Experience with modern frameworks (React preferred)</li><li>Ability to build functional, clean UI when needed</li></ul>AI &amp; Next-Gen Skills (Strong Plus)<ul><li>Experience with LLM integrations (OpenAI, Anthropic, etc.)</li><li>Understanding of prompt engineering and evaluation</li><li>Experience building or experimenting with agentic AI systems</li><li>Familiarity with:</li><li>AI workflows / tool use</li><li>Retrieval (RAG), embeddings, vector DBs</li><li>Automation pipelines powered by AI</li><li>Ability to think in terms of AI-first product design, not just APIs</li></ul>Nice to Have<ul><li>Microservices architecture experience</li><li>CI/CD and DevOps familiarity</li><li>Multi-tenant or SaaS platform experience</li><li>Startup or high-growth environment background</li></ul>What We Offer<ul><li>Work on a modern, AI-first platform</li><li>High ownership and autonomy</li><li>Fast execution, minimal bureaucracy</li><li>Competitive compensation</li><li>Growth into tech leadership / AI architecture roles</li></ul>Who This Role Is Perfect ForSomeone who:<ul><li>Thinks like a builder and systems designer</li><li>Is backend-strong but not boxed in</li><li>Is curious about and actively exploring AI + agents</li><li>Wants to work on what&rsquo;s next, not just maintain what exists</li></ul>Job Type: Full-timePay: QAR4,000.00 - QAR8,000.00 per monthWork Location: In person

Senior Fullstack Developer (Backend-Focused, All-Rounder)

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)

Snoonu

<div>
 
 🚀 Welcome to Your Next Adventure!
 
 
 
 
 🛠 What You&rsquo;ll Get Your Hands On
 
 
 
 
 Team Leadership
 
 
 
 <ul>
 <li>
 Lead a cross-functional engineering team focused on Python applications, AI/ML services, and data-driven platforms.
 </li>
 <li>
 Mentor Senior, Middle, and Junior Engineers, ensuring alignment with engineering standards and ML project requirements.
 </li>
 <li>
 Set short-, mid-, and long-term goals for the team, continuously supporting skill growth in software engineering and ML system design.
 </li>
 <li>
 Coordinate with Product, Data Science, QA, DevOps, and Platform Leads to ensure the successful delivery of AI/ML initiatives.
 
 
 </li>
 </ul>
 
 Architecture &amp; System Design
 
 
 
 <ul>
 <li>
 Drive end-to-end architecture and design for AI/ML applications, model-serving infrastructure, and Python backend services.
 </li>
 <li>
 Oversee architectural decisions for scalable model deployment (REST APIs, streaming pipelines, batch systems), ensuring performance, reliability, and maintainability.
 </li>
 <li>
 Define standards for feature engineering pipelines, data ingestion flows, and integration with MLOps platforms.
 </li>
 <li>
 Break down complex AI/ML initiatives into actionable engineering tasks and clear technical roadmaps.
 
 
 </li>
 </ul>
 
 AI/ML System Delivery
 
 
 
 <ul>
 <li>
 Collaborate with Data Scientists to productionize ML models, ensuring reproducibility, versioning, and monitoring.
 </li>
 <li>
 Lead implementation of model-serving frameworks, vector databases, data processing jobs, and inference optimization strategies.
 </li>
 <li>
 Ensure adherence to best practices in experiment tracking, model evaluation, and A/B testing for ML features.
 
 
 </li>
 </ul>
 
 Process Improvement &amp; Engineering Excellence
 
 
 
 <ul>
 <li>
 Improve development workflows, CI/CD pipelines, and ML lifecycle automation.
 </li>
 <li>
 Promote coding standards, technical documentation, and reduction of technical debt across AI/ML projects.
 </li>
 <li>
 Introduce new tools and technologies that enhance model performance, data quality, and engineering productivity.
 
 
 </li>
 </ul>
 
 Recruitment, Culture &amp; Knowledge Sharing
 
 
 
 <ul>
 <li>
 Participate in hiring for both backend and ML-focused engineering roles.
 </li>
 <li>
 Facilitate knowledge-sharing sessions around ML system architecture, Python best practices, and cloud-native development.
 </li>
 <li>
 Strengthen team culture through collaboration, mentorship, and proactive communication.
 
 
 </li>
 </ul>
 
 Incident Management &amp; Reliability
 
 
 
 <ul>
 <li>
 Oversee reliability of AI/ML services, including model drift detection, data quality monitoring, and performance metrics.
 </li>
 <li>
 Coordinate incident response, root-cause analysis, and cross-team escalations for production ML systems.
 
 
 </li>
 </ul>
 
 🧙&zwj;&male;️ The Magic You Bring
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Science, Engineering, Data Science, or related field.
 </li>
 <li>
 Experience in logistics solutions or related fields.
 </li>
 <li>
 Advanced degrees (MSc/PhD) in AI/ML or Applied Data Science are a plus.
 </li>
 <li>
 Strong communication skills, able to explain complex ML workflows and architectural decisions to technical and business stakeholders.
 </li>
 <li>
 Data-driven decision-making and the ability to justify improvements using metrics.
 </li>
 <li>
 Balanced leadership mindset&mdash;capable both of delegating and of hands-on deep technical work.
 </li>
 <li>
 Comfortable navigating ambiguity and aligning stakeholders in AI-driven product contexts.
 
 
 </li>
 </ul>
 
 Python &amp; Backend Engineering
 
 
 
 <ul>
 <li>
 Expert-level Python developer with strong understanding of backend frameworks (FastAPI, Flask, Django) and microservices patterns.
 </li>
 <li>
 Strong grounding in algorithms, distributed systems, and scalable backend architecture.
 
 
 </li>
 </ul>
 
 AI/ML Engineering
 
 
 
 <ul>
 <li>
 Experience deploying ML models to production (batch, real-time, streaming).
 </li>
 <li>
 Knowledge of ML frameworks such as TensorFlow, PyTorch, Scikit-learn, and model-serving technologies (like TorchServe, MLflow, SageMaker, Vertex AI, etc.).
 </li>
 <li>
 Experience with vector databases, feature stores, and embedding-based search is a strong plus.
 
 
 </li>
 </ul>
 
 MLOps &amp; Cloud
 
 
 
 <ul>
 <li>
 Hands-on experience with CI/CD for ML systems, containerization (Docker), orchestration, and cloud environments (AWS/GCP).
 </li>
 <li>
 Familiarity with monitoring tools for ML pipelines: logging, metrics, tracing, model drift detection.
 
 
 </li>
 </ul>
 
 Data, Storage &amp; Integration
 
 
 
 <ul>
 <li>
 Strong understanding of data pipelines, ETL/ELT workflows, and both relational and NoSQL databases.
 </li>
 <li>
 Ability to design caching, queuing, and event-driven architectures supporting ML workflows.
 
 
 </li>
 </ul>
 
 Quality &amp; Reliability
 
 
 
 <ul>
 <li>
 Establishes testing standards for data validation, model correctness, API reliability, and system performance.
 </li>
 <li>
 Drives observability across AI services and ensures robust monitoring coverage.
 
 
 </li>
 </ul>
 
 Inside Snoonu&rsquo;s Universe
 
 
 
 Snoonu is Qatar&rsquo;s homegrown Super App, reinventing daily life with blazing-fast delivery, shopping, and more &ndash; 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 Ultra App that propels the region and its community through innovation and technology. We have global ambitions 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
 
 
 
 
 🌐 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.
 
 
 
 Great Place to Work&reg; Certified
 
 
 
 We&rsquo;re certified as a Great Place to Work&reg;, a recognition that celebrates a culture we&rsquo;ve built together where people come first, always. This certification reflects our commitment to creating a workplace where everyone feels valued, empowered, and inspired to do their best work.
 
 
 
 Certified for Excellence
 
 
 
 Our ISO 9001:2015 and ISO 45001:2018 certifications demonstrate our dedication to world-class quality and a safe, supportive workplace, reinforcing our promise to deliver exceptional service while prioritizing the wellbeing of our people.
 
 
 
 Beyond the Code: Giving Back Matters
 
 
 
 We don&rsquo;t just build apps. 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 team where your contributions spark a change and your voice is heard. Let&rsquo;s make some magic together.
 
 
 Stay in the loop&mdash;connect with us on LinkedIn!
</div>

Tech Lead – Logistics Systems

UI/UX Graphic DesignerRole OverviewWe are seeking a creative and detail-oriented UI/UX Graphic Designer to design intuitive, user-friendly interfaces and create compelling visual assets. The ideal candidate will ensure consistent branding across digital products and marketing materials while delivering engaging user experiences.Key Responsibilities<ul><li>Design clean, modern, and user-centric interfaces for web and mobile applications</li><li>Create wireframes, prototypes, and high-fidelity mockups</li><li>Develop and maintain design systems and UI guidelines</li><li>Conduct user research and usability testing to inform design decisions</li><li>Map user flows and journeys to improve overall experience</li><li>Collaborate with product managers, developers, and stakeholders</li><li>Ensure responsive design across multiple devices and platforms</li><li>Prepare assets and specifications for developer handoff</li><li>Optimize designs based on A/B testing and conversion rate improvements</li><li>Maintain consistency in branding, typography, and visual design</li><li>Ensure accessibility standards (WCAG) are met</li></ul>Required Skills &amp; Qualifications<ul><li>Strong understanding of UI/UX design principles</li><li>Proficiency in wireframing and prototyping tools</li><li>Experience with design systems and responsive design</li><li>Solid knowledge of user research and usability testing</li><li>Expertise in:</li><li>Adobe Creative Suite (Photoshop, Illustrator, XD)</li><li>Figma or Sketch</li><li>Strong skills in typography, color theory, and visual design</li><li>Basic knowledge of HTML/CSS</li><li>Experience with developer handoff processes</li><li>Understanding of A/B testing and conversion-focused design (CRO)</li><li>Familiarity with accessibility standards (WCAG)</li></ul>Nice to Have<ul><li>Motion design or animation skills</li><li>Experience with interactive prototyping</li><li>Knowledge of micro-interactions and advanced UX patterns</li></ul>Job Types: Full-time, PermanentApplication Question(s):<ul><li>Please share your portfolio link (Behance)</li><li>How many years of experience do you have in UI/UX design?</li><li>Which design tools are you most comfortable with?</li><li>Have you created wireframes and interactive prototypes?</li><li>Do you have experience creating or working with design systems?</li><li>Have you conducted user research or usability testing?</li><li>Have you worked on A/B testing or conversion optimization?</li><li>Are you familiar with developer handoff and basic HTML/CSS?</li><li>Do you have knowledge of accessibility standards (WCAG)?</li></ul>Work Location: Hybrid remote in Doha (Doha)

UI/UX Graphic Designer

Explore 23+ Backend developer in Doha this April. Find roles across top companies and apply now to boost your career.