backend developer

Maaloomatiia

<div>
 Date: Feb 12, 2026
 
 
 Location:
 
 
 Dubai, AE
 
 
 Company: MAALOOMATIA ARABIAN GULF TRADING L.L.C.
 
 
 Req ID: 2853
 
 
 
 Job Title
 
 
 
 Backend Developer
 
 
 
 Job Scope
 
 
 
 As a Full-Stack Backend Developer, you will be responsible for designing, developing, and maintaining scalable, high-performance backend systems and APIs. You will work primarily with
 
 Node.js and NestJS
 
 , building robust services and integrations, while leveraging
 
 .NET experience
 
 as an added advantage for enterprise and legacy system integration. You will collaborate closely with frontend developers, architects, DevOps engineers, and business stakeholders to deliver secure, reliable, and high-quality software solutions.
 
 
 
 Main Duties And Responsibilities
 
 
 
 <ul>
 <li>
 Backend Application Development
 </li>
 <li>
 Design, develop, and maintain backend services using Node.js and NestJS.
 </li>
 <li>
 Build modular, scalable, and maintainable server-side architectures.
 </li>
 <li>
 API Development
 </li>
 <li>
 Design, implement, and maintain RESTful APIs (and GraphQL where applicable).
 </li>
 <li>
 Ensure APIs are secure, performant, well-documented, and versioned.
 </li>
 <li>
 Database Design &amp; Integration
 </li>
 <li>
 Design and optimize relational and/or NoSQL databases.
 </li>
 <li>
 Write efficient queries, indexes, and migrations.
 </li>
 <li>
 Ensure data consistency, integrity, and performance.
 </li>
 <li>
 Performance Optimization
 </li>
 <li>
 Identify performance bottlenecks in APIs, database queries, and services.
 </li>
 <li>
 Apply caching, async processing, and other optimization techniques.
 </li>
 <li>
 .NET Integration (Plus)
 </li>
 <li>
 Contribute to or integrate with existing .NET / ASP.NET Core services.
 </li>
 <li>
 Support hybrid environments where Node.js and .NET systems coexist.
 </li>
 <li>
 Security Implementation
 </li>
 <li>
 Implement authentication and authorization mechanisms (JWT, OAuth, RBAC).
 </li>
 <li>
 Apply security best practices to protect APIs, data, and infrastructure.
 </li>
 <li>
 Testing &amp; Quality Assurance
 </li>
 <li>
 Write unit, integration, and API tests to ensure reliability and stability.
 </li>
 <li>
 Participate in automated testing and quality improvement initiatives.
 </li>
 <li>
 Debugging &amp; Troubleshooting
 </li>
 <li>
 Diagnose and resolve application, API, and database issues.
 </li>
 <li>
 Support production issues and perform root-cause analysis.
 </li>
 <li>
 Version Control &amp; CI/CD
 </li>
 <li>
 Work with version control systems (Git, Azure DevOps, GitHub).
 </li>
 <li>
 Contribute to CI/CD pipelines and automated deployments.
 </li>
 <li>
 Code Reviews &amp; Standards
 </li>
 <li>
 Participate in peer code reviews to maintain high coding standards.
 </li>
 <li>
 Ensure adherence to best practices and architectural guidelines.
 </li>
 <li>
 Documentation
 </li>
 <li>
 Maintain clear technical documentation for APIs, services, and system designs.
 </li>
 <li>
 Collaboration
 </li>
 <li>
 Work closely with frontend developers (e.g., React), architects, DevOps, QA, and business teams to deliver end-to-end solutions.
 
 
 
 </li>
 </ul>
 
 Position Requirements
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).
 </li>
 <li>
 Proven experience developing backend systems using Node.js and NestJS.
 </li>
 <li>
 Strong understanding of RESTful API design and backend architecture.
 </li>
 <li>
 Solid experience with database design and SQL (PostgreSQL, SQL Server, MySQL, etc.).
 </li>
 <li>
 Strong knowledge of asynchronous programming, event-driven architectures, and scalability concepts.
 </li>
 <li>
 Good understanding of object-oriented and/or modular programming principles.
 </li>
 <li>
 Experience with frontend integration (React or similar) from a backend perspective.
 </li>
 <li>
 Strong problem-solving skills and attention to detail.
 </li>
 <li>
 Excellent communication and teamwork skills.
 
 
 
 </li>
 </ul>
 
 Education
 
 
 
 Bachelor&rsquo;s degree in Computer Science or equivalent
 
 
 
 Experience
 
 
 
 At least 2 years of relevant experience
 
 
</div>

Backend Developer

WeUno Technologies 

We are looking for a talented Mid-Level Backend Developer to join our growing engineering team. If you have strong backend expertise, hands-on experience with modern JavaScript frameworks, and enjoy building scalable applications, this role is for you!NOTE : Please dont apply if you are freshly graduate or having less than 3 years of experience .Job Responsibilities:<ul><li>Develop and maintain robust server-side applications using Node.js, Express, and MongoDB.</li><li>Build secure and reliable RESTful Web APIs using Node.js.</li><li>Perform database development, maintenance, optimization, and reporting using MySQL and MongoDB.</li><li>Implement strong web security best practices, including OAuth for authentication and authorization.</li><li>Use Git for version control and collaborate closely with project managers and senior developers.</li><li>Work with project managers, senior developers, and business teams for task planning, sharing new ideas, demonstrating code, and resolving technical issues.</li><li>Assist team members in maintaining architecture standards, ensuring functional accuracy, and following industry best practices.</li><li>Document, record, and communicate the progress of assigned tasks to project teams and managers.</li><li>Contribute to the development and scaling of large-scale applications, ensuring performance and long-term success.</li><li>Work with and support Next.js for backend routes, server-side functions, and full-stack implementations when required.</li></ul>Preferred Skills:<ul><li>Working knowledge of SQL and NoSQL databases.</li><li>Strong understanding of version control systems like Git.</li><li>Good understanding of backend technologies and architectural patterns.</li><li>Hands-on experience with React.js and Next.js (Frontend + Backend capabilities).</li><li>Atleast 3-5 years of experience required .</li><li>Bachelor&rsquo;s degree in Computer Science, IT, or related field.</li></ul>Job Type: Full-timeApplication Question(s):<ul><li>What is your Current Salary ?</li><li>What is your Expected Salary?</li></ul>Work Location: In person

VALTRANS TRANSPORTATION SYSTEMS & SERVICES

We are seeking a skilled Backend Developer to join our innovative parking management team. The ideal candidate will play a critical role in designing, developing, and optimizing backend services that enhance our parking solutions, ensuring smooth operations and a seamless user experience.Responsibilities:- Develop and maintain scalable backend APIs and services for parking management systems.- Collaborate with frontend developers and product teams to integrate user-facing elements with server-side logic.- Optimize applications for maximum speed and scalability.- Design database schemas that represent and support business processes efficiently.- Implement security and data protection measures to safeguard user information.- Troubleshoot, debug, and upgrade existing software.- Write clean, maintainable code and participate in code reviews.- Stay updated with emerging technologies and suggest improvements to enhance product quality and performance.Qualifications:- Proven experience as a Backend Developer or similar role.- Strong proficiency in server-side programming languages such as Java, Python, Node.js, or similar.- Familiarity with database technologies such as MySQL, PostgreSQL, or MongoDB.- Experience in building scalable, high-performance web services and APIs.- Knowledge of RESTful API design principles and best practices.- Understanding of security, session management, and best development practices.- Good problem-solving skills and a passion for technical innovation.- Excellent communication and teamwork skills.- Experience in parking management or related industries is a plus.Job Type: Full-timeApplication Question(s):<ul><li>Can join immediately</li></ul>Experience:<ul><li>Backend Developer: 4 years (Required)</li><li>Information Technology: 4 years (Required)</li></ul>

MOBIZ

<div>About Mobiz

Mobiz is an information technology firm, and we do three things exceptionally well: cloud and network automation, digital transformation, and data protection. Double-digit growth year-over-year has driven us to grow our team and ensure we stay ahead of the curve. 
What Can You Expect?

Every day at Mobiz we work with a deep sense of purpose. We continuously innovate. Our mission is to empower our clients to do more through transformation. You&rsquo;ll work in a collaborative environment alongside highly talented people who improve client operations and exceed expectations. We strive to simplify technology challenges, and no less. 
Who Are We Looking For?

Mobiz is looking for a Backend Developer who can design, build, and scale reliable backend systems that power modern, AI-driven applications. The ideal candidate has strong hands-on experience in Python, modern web frameworks such as FastAPI and Django, and is eager to contribute to GenAI and LLM-based projects using cloud and AI platforms.

You will work closely with front-end engineers, data scientists, and AI teams as well as collaborate with global clients and cross-regional stakeholders to deliver secure, high-performance backend services. 
Key Responsibilities
<ul>
<li>Design, develop, and maintain scalable backend systems using Python, FastAPI, and Django.</li>
<li>Build secure, well-documented RESTful APIs for application and data access.</li>
<li>Integrate backend services with cloud platforms and AI/ML services, including GenAI and LLM-based solutions.</li>
<li>Collaborate with front-end developers and data teams and interact with global clients where required to ensure seamless system integration.</li>
<li>Write clean, reusable, and maintainable code following best practices.</li>
<li>Perform unit testing, integration testing, debugging, and performance optimization.</li>
<li>Work across the full application lifecycle, from development to deployment.</li>
<li>Troubleshoot and resolve complex backend issues to ensure stability and uptime.</li>
<li>Stay up to date with emerging backend, cloud, and AI technologies.</li>
<li>Leverage AI coding agents (e.g., Claude Code, GitHub Copilot, or similar tools) to improve development efficiency, code quality, and delivery speed.</li></ul> 


Qualifications
<ul>
<li>Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science or a related field.</li>
<li>2-5 years of hands-on backend development experience using Python.</li>
<li>Fluency in English is mandatory.</li>
<li>Exposure to working with international/global clients in a professional environment.</li></ul> 


Required Skills
<ul>
<li>Strong understanding of backend and web concepts (REST APIs, HTTP methods).</li>
<li>Proficiency in FastAPI or Django (experience with both is a plus).</li>
<li>Experience with relational databases (PostgreSQL, MySQL).</li>
<li>Familiarity with cloud platforms (Azure preferred; AWS is a plus).</li>
<li>Exposure to GenAI, LLMs, or AI-enabled backend integrations.</li>
<li>Hands-on experience using AI-assisted development tools or coding agents such as Claude Code, GitHub Copilot, or similar.</li>
<li>Experience with containerization tools such as Docker.</li>
<li>Knowledge of backend security best practices.</li>
<li>Strong problem-solving and collaboration skills, including the ability to communicate effectively with global teams and clients.</li></ul> 


What We Offer
<ul>
<li>A team of bright, hard-working, and innovative people that will contribute to your growth.</li>
<li>Competitive Salary and comprehensive benefits plan.</li>
<li>A dynamic and collaborative work environment with opportunity to work with cutting-edge technology and innovative solutions.</li></ul> 


Other 
This is a full-time office based job in Islamabad, Pakistan. 
Closing

Mobiz embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. We are an equal opportunity employer.

We thank all applicants for their interest. We will contact you if you are selected to move forward in the recruiting process.</div>

Medstar Healthcare LLC

ACCUMED, located in JLT, Dubai is actively Hiring for the role of Backend Developer (Hybrid Working, Dubai)Interested candidates who meet the below mentioned criteria can send your CV here.Kindly Note: Carefully read the job requirements before applying as only candidates who meet the below mentioned criteria will be contacted for an InterviewRequirements needed for this role: 1. Interoperability &amp; Standards:&middot; Design and implement FHIR R4 RESTful APIs using the HAPI FHIR library.&middot; Build parsers and validators for HL7 v2.x messages (ADT, ORM, ORU) coming from hospital EMRs.&middot; Map standard medical coding systems (ICD-10-AM, CPT, LOINC) to our internal reference data.2. Anti-Corruption Layer (ACL) Implementation:&middot; Strictly follow Domain-Driven Design (DDD) principles to build an Anti-Corruption Layer.&middot; Ensure that external DTOs (FHIR Resources/HL7 Segments) are never leaked into the Domain Layer. You will write the mappers (using MapStruct) to convert them into clean Domain Entities.3. Gateway Integration (KSA &amp; UAE):&middot; Lead the technical integration with regional health exchanges such as NAPHIES (KSA) and Malaffi (UAE).&middot; Handle mutual TLS (mTLS), token management, and soap-to-rest transformation if required by legacy government endpoints.4. Backend Development (Spring Boot):&middot; Develop high-performance integration services using Java 17+ and Spring Boot 3.&middot; Use Spring Integration or Apache Camel (if applicable) for message routing and transformation.&middot; Adhere to our strict RFC 7807 error handling standards&mdash;when an HL7 message fails validation, the API must return a precise, standardized error.5. Testing &amp; Validation:&middot; Write Integration Tests using Testcontainers to simulate FHIR servers and HL7 feeds.&middot; Validate compliance using official validator tools (e.g., Inferno, Touchstone) to ensure our implementation meets certification standards.Qualifications/Experience/Skills/Knowledge required for this role:<ul><li>Experience: 5+ years in Java Backend Development, with at least 2 years dedicated to Healthcare Interoperability.</li><li>Healthcare Standards Mastery:</li><li>Deep understanding of FHIR Resources (Patient, Coverage, Claim, ExplanationOfBenefit).</li><li>Working knowledge of HL7 v2 pipe-delimited formats.</li><li>Familiarity with ICD-10, ACHI, and DRG coding standards.</li><li>Technical Stack:</li><li>Expertise in Java Spring Boot and Spring Data JPA.</li><li>Hands-on experience with HAPI FHIR (the essential Java library for FHIR).</li><li>Experience with PostgreSQL (specifically querying JSONB columns for semi-structured clinical data).</li><li>Architecture:</li><li>Understanding of Clean Architecture and why we separate &quot;Integration Logic&quot; from &quot;Business Logic.&quot;</li><li>Experience designing APIs that are backward-compatible.</li></ul>Salary &amp; Benefits:<ul><li>The Salary package for this role is AED 17,000 (all included)</li><li>Monday to Friday Working (Hybrid)</li><li>Yearly Flight ticket allowance</li><li>Visa and Health Insurance</li></ul>All other benefits as per UAE Labour law.Job Types: Full-time, PermanentPay: Up to AED17,000.00 per month

BlueCat AI

Overview We&rsquo;re seeking a Backend Developer to build the server infrastructure powering BlueCat AI. You&rsquo;ll design and implement APIs, manage data, and orchestrate AI services to deliver personalized, safe learning experiences for children.Responsibilities<ul><li>Design and develop robust, scalable APIs for the BlueCat platform</li><li>Build and maintain database schemas and data models</li><li>Integrate AI services (large language models, image generation) into the platform</li><li>Implement safety systems for age-appropriate AI interactions with children</li><li>Develop user authentication, authorization, and session management</li><li>Build progress tracking, analytics, and reporting systems</li><li>Ensure data security, privacy, and compliance with children&rsquo;s data protection regulations</li><li>Deploy, monitor, and maintain cloud infrastructure</li><li>Participate in technical decisions and architecture planning</li></ul>Requirements &mdash; Must Have<ul><li>3+ years of backend development experience</li><li>Proficiency in at least one backend language (Python, Node.js, Go, Java, etc.)</li><li>Experience with modern API frameworks and RESTful design principles</li><li>Strong database skills (PostgreSQL, MySQL, MongoDB, or similar)</li><li>Understanding of authentication/authorization patterns (OAuth, JWT)</li><li>Familiarity with cloud platforms (GCP, AWS, or Azure)</li><li>Knowledge of security best practices</li><li>Fluent in English (Arabic is a plus)</li><li>Based in Doha, Qatar (or willing to relocate)</li></ul>Nice to Have<ul><li>Experience integrating LLM/AI APIs (OpenAI, Anthropic, Google, etc.)</li><li>Knowledge of data privacy regulations for children (COPPA, GDPR)</li><li>Experience with serverless architectures or containerization (Docker, Kubernetes)</li><li>Familiarity with real-time systems (WebSockets, event-driven architecture)</li><li>Previous EdTech or consumer application experience</li><li>Understanding of content moderation and safety systems</li></ul>Technologies We&rsquo;re ConsideringWe&rsquo;re open to the best technology choices. Experience with any of these is valuable:<ul><li>Languages: Python, Node.js/TypeScript, Go, Rust, Java/Kotlin</li><li>Frameworks: FastAPI, Django, Express, NestJS, Gin, Spring Boot</li><li>Databases: PostgreSQL, MySQL, MongoDB, Firebase/Firestore</li><li>Cloud: Google Cloud Platform, AWS, Azure</li><li>AI Integration: Anthropic Claude, Google Gemini/Vertex AI, OpenAI APIs</li></ul>What We Offer<ul><li>Competitive salary commensurate with experience (tax-free in Qatar)</li><li>Project duration: 10&ndash;12 months with strong possibility of permanent role</li><li>Meaningful work: Build technology that empowers children</li><li>Technical influence: Help shape our technology stack and architecture</li><li>Small team: Direct impact and high visibility</li><li>Learning opportunity: Work with cutting-edge AI technologies</li><li>Flexible work: Hybrid arrangements possible</li></ul>Please include:<ul><li>Your CV/Resume</li><li>Portfolio, GitHub profile, or examples of your work</li><li>Brief note on your interest in EdTech and AI for children</li><li>Your technology preferences and recommendations for our stack</li><li>Availability and expected salary range</li></ul>Job Types: Full-time, Contract

Leuwint technologies

We are looking for an experienced Backend Developer with strong Java expertise to design, develop, and maintain scalable microservices-based applications in an Agile environment.<ul><li>Minimum 5+ years of backend experience</li><li>Develop and maintain backend services using Java (Spring Boot / Quarkus)</li><li>Design and build REST APIs &amp; Microservices</li><li>Work on Docker containerization and cloud-native deployments</li><li>Implement Kafka-based messaging and event-driven architecture</li><li>Collaborate with cross-functional Agile teams</li><li>Ensure secure coding, performance optimization &amp; troubleshooting</li><li>Contribute to system design, user story breakdown &amp; technical documentation</li><li>Hands-on experience with container orchestration, deployment, scaling, and management of Java applications. deployment configs, and routing configurations.</li><li>Strong understanding of microservices design principles, patterns (Circuit Breaker, API Gateway), and implementation</li><li>Good to have experience with CI/CD pipelines ( Tekton, GitLab), automated testing, and monitoring tools (Dynatrace, Splunk)</li><li>Location:-Riyadh, Saudi Arabia</li></ul>Job Type: Full-time

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