backend developer

Maaloomatiia

<div>
 
 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

Huda Beauty

<div>Who We Are: At Huda Beauty, our Vision is to lead in creating a democratized beauty industry where power is given back to people to define, create, and enjoy beauty for themselves! Launched by award-winning beauty powerhouse Huda Kattan in 2013, Huda Beauty is one of the world&rsquo;s fastest growing beauty brands. As a company, we are fueled by purpose and not profit, this allows us to approach things differently so that we can create products, content, and a community like no other. A lot has changed since our launch in 2013, but something that will forever remain at the core of Huda Beauty is our focus on business excellence and our unwavering passion for kindness!
Summary: We are seeking a highly skilled Backend Developer specializing in Shopify and eCommerce integrations to support the development, integration, and ongoing optimization of our global commerce ecosystem. This role is responsible for building scalable backend services, maintaining critical integrations across platforms (ERP, CRM, payments, marketing, and fulfillment), and enabling complex campaign and merchandising capabilities.
The ideal candidate combines strong backend engineering expertise with excellent problem-solving skills and the ability to collaborate across cross-functional teams to deliver reliable, high-performing commerce solutions.
Essential Duties and Responsibilities:
Backend Platform Development &amp; Integrations<ul><li>
Design, develop, and maintain backend services supporting Shopify and related commerce systems.</li><li>
Build and maintain integrations between Shopify and enterprise systems such as ERP, OMS, CRM, marketing automation platforms, payment gateways, and logistics providers.</li><li>
Develop and manage APIs, middleware services, and event-driven workflows to ensure reliable data exchange across systems.</li><li>
Ensure system scalability, performance, and reliability across global markets and high-traffic campaign periods.</li></ul>
Promotion Logic &amp; Commerce Functionality<ul><li>
Implement backend logic supporting promotions, bundles, discount engines, Gift With Purchase (GWP), and custom campaign mechanics.</li><li>
Develop Shopify Functions, Scripts, or middleware-based logic supporting advanced promotional eligibility and pricing workflows.</li><li>
Support backend configurations for regional promotions, multi-market pricing, and checkout customization features.</li><li>
Collaborate with front-end teams to ensure seamless integration between UI merchandising components and backend logic.</li></ul>
Data, Performance &amp; Reliability<ul><li>
Monitor system performance, identify bottlenecks, and implement performance optimizations across integrations and backend services.</li><li>
Implement logging, monitoring, and alerting processes to ensure system reliability and rapid issue resolution.</li><li>
Ensure data accuracy and consistency across transactional systems, customer platforms, and reporting pipelines.</li><li>
Support high-availability architecture for major campaign and peak traffic periods.</li></ul>
Project Delivery &amp; Execution Ownership<ul><li>
Translate technical requirements into backend architecture and implementation plans.</li><li>
Estimate development effort and manage assigned delivery tasks through sprint cycles from design through deployment.</li><li>
Proactively identify technical risks, system dependencies, and integration challenges, proposing scalable solutions.</li><li>
Participate in release planning, deployment validation, and post-release monitoring.</li></ul>
Launch QA, Integration Validation &amp; Release Readiness<ul><li>
Conduct comprehensive backend QA validation for all releases, integrations, and promotional logic prior to deployment.</li><li>
Validate promotion logic, pricing rules, discount eligibility, GWP mechanics, and checkout workflows to ensure accuracy across markets and customer segments.</li><li>
Support end-to-end UAT testing across integrations including ERP, OMS, CRM, payment providers, fulfillment systems, and marketing platforms.</li><li>
Monitor production deployments and campaign launches, ensuring system stability and rapid resolution of integration or data-flow issues.</li><li>
Maintain automated or manual release readiness validation processes for high-traffic campaigns, product launches, and seasonal activations.</li><li>
Develop and maintain integration testing frameworks, regression testing protocols, and monitoring alerts to reduce launch risk and ensure data accuracy.</li></ul>
Cross-Functional Collaboration<ul><li>
Work closely with Product, Front-End Engineering, Analytics, Marketing, and Integration teams to deliver end-to-end commerce initiatives.</li><li>
Collaborate with solution architects, vendors, and agency partners to ensure integration alignment and delivery quality.</li><li>
Provide technical documentation and architectural guidance supporting internal teams and future scalability.</li></ul> 

Requirements 
<ul><li>
5&ndash;8+ years of backend development experience, preferably within eCommerce or high-scale digital platforms.</li><li>
Strong experience working with Shopify APIs, Shopify Functions, or commerce platform integrations.</li><li>
Proficiency in backend technologies such as Node.js, Python, Java, or similar backend frameworks.</li><li>
Strong experience designing and maintaining RESTful APIs, microservices, and middleware architectures.</li><li>
Experience integrating enterprise platforms such as ERP, CRM, payment providers, or fulfillment systems.</li><li>
Experience working in agile development environments with sprint-based delivery processes.</li><li>
Strong debugging, performance tuning, and system monitoring capabilities.</li><li>
Excellent problem-solving skills with the ability to manage complex system dependencies.</li><li>
Strong communication skills and ability to collaborate effectively across technical and non-technical teams.</li></ul> 

Benefits 
<ul><li>
Monthly &ldquo;Self Love Days&rdquo; &ndash; at company discretion</li><li>
Premium Medical/Dental/Vision coverage for employee plus dependents</li><li>
Monthly coaching sessions with our in-house Success Coach</li><li>
Employee discounts on all Huda Beauty products</li><li>
Quarterly product gifting</li></ul>
Huda Beauty is committed to building diverse and inclusive teams and upholding an equal employment workplace that is free from discrimination. We hire stellar individuals regardless of their race, color, ancestry, religion, gender identity, national origin, sexual orientation, age, marital status, medical conditions, disability, or veteran status. If you need reasonable accommodations at any point in the application or interview process, please let us know.</div>

Shopify Back-end Developer

THIKRA PHONE LLC

We are seeking an experienced C# .NET Desktop Developer to design and develop robust Windows-based applications.Key Responsibilities<ul><li>Design, develop, and maintain desktop and backend applications using C# and .NET technologies</li><li>Customize and extend ERP systems based on client requirements</li><li>Develop and integrate APIs and third-party services with ERP platforms</li><li>Troubleshoot, debug, and resolve system and integration issues</li><li>Collaborate with internal teams and clients to analyze business processes and deliver optimized ERP solutions</li><li>Manage and optimize database performance and data integrity</li><li>Prepare and maintain technical documentation for systems, integrations, and workflows</li></ul>Requirements<ul><li>Proven experience as a C# .NET Developer, preferably in ERP systems</li><li>Strong proficiency in:</li><li>C#</li><li>.NET Framework / .NET Core</li><li>Experience working with ERP systems such as:</li><li>Odoo (Highly Preferred)</li><li>Microsoft Dynamics / SAP (plus)</li><li>Solid knowledge of:</li><li>SQL Server</li><li>Database design and performance tuning</li><li>Experience with:</li><li>REST APIs and system integration</li><li>Good understanding of business domains:</li><li>Accounting, Inventory, Sales, or HR</li><li>Strong analytical and problem-solving skills</li><li>Ability to communicate with both technical and non-technical stakeholders</li></ul>Expected hours: 47.0 per weekWork Location: In person

C# .NET Software Developer

 VaultsPay

Role: Full Stack DevelopmentLocation: Dubai, United Arab EmiratesDepartment: Software DevelopmentReporting To: Chief Technology OfficerType: Full-Time Industry: Fintech / PaymentsAbout the Role We are seeking a Senior Full Stack Developer to join VaultsPay's engineering team. This is a hands-on role focused on building and scaling the core components of our payments platform &mdash; Payment Gateway infrastructure, Card Issuance &amp; Acquiring systems, and POS software. You will design and deliver robust, secure, and high-performance backend services while contributing to full-stack features that directly power merchant and consumer payment experiences across the UAE and beyond.Major Responsibilities<ul><li>Payment Gateway Development - Design, develop, and maintain scalable payment gateway infrastructure handling high-volume transaction processing.</li><li>Integrate with international card schemes (Visa, Mastercard) and local payment rails (UAE Switch, UAEFTS).</li><li>Build and optimize transaction routing, authorization, settlement, and reconciliation modules.</li><li>Implement retry logic, fallback mechanisms, and failover strategies to ensure 99.99% uptime.</li><li>Integrate with 3DS authentication providers and third-party fraud/risk engines Issuance &amp; Acquiring Systems.</li><li>Build backend services for virtual and physical card issuance (prepaid, debit, credit).</li><li>Develop acquiring-side solutions to onboard merchants, manage terminals, and process transactions.</li><li>Integrate with card processors and banking partners via ISO 8583, REST, or SOAP interfaces.</li><li>Implement KYC/KYB workflows, cardholder lifecycle management, and transaction monitoring pipelines.</li><li>Build clearing, settlement, and chargeback management modules aligned with scheme rules POS Development.</li><li>Develop backend APIs and services powering Android/Linux-based POS terminals.</li><li>Design and implement transaction flows for contactless (NFC), EMV chip, and QR-based payments.</li><li>Build merchant-facing dashboards, reporting APIs, and device management systems.</li><li>Support integration with inventory, loyalty, and ERP systems via RESTful and webhook APIs.</li><li>General Full Stack Engineering.</li><li>Architect and build RESTful and event-driven microservices.</li><li>Design and optimize relational and non-relational databases.</li><li>Build frontend components and dashboards for internal operations and merchant portals.</li><li>Develop and maintain CI/CD pipelines, containerized deployments (Docker, Kubernetes).</li></ul>Must Have<ul><li>5&ndash;10+ years of experience in full stack / backend development  Strong backend proficiency in Node.js, Java, or .NET</li><li>Frontend experience with React or Angular</li><li>Solid knowledge of databases: PostgreSQL, MySQL, MongoDB, Redis</li><li>Deep familiarity with payment gateways, ISO 8583, card schemes (Visa/Mastercard)</li><li>Hands-on experience with POS terminal software and EMV/NFC payment flows</li><li>Experience with card issuance and acquiring platform development</li><li>Cloud platform experience: AWS, Azure, or GCP  Proficiency with Docker, Kubernetes, CI/CD pipelines.</li><li>Strong understanding of PCI-DSS compliance and secure coding (OWASP Top 10)</li><li>Experience with tokenization, encryption (AES-256, TLS 1.3), and key management</li><li>Domain Knowledge  Solid understanding of the end-to-end payments lifecycle &mdash; authorization, clearing, settlement, reconciliation</li><li>Familiarity with 3DS authentication, fraud scoring, and AML monitoring</li><li>Knowledge of UAE/GCC payment regulations is a strong advantage Soft Skills</li><li>Strong problem-solving and system design abilities</li><li>Ability to work in a fast-paced fintech environment</li><li>Good communication skills for cross-functional collaboration with product, compliance, and banking partners</li></ul>Nice to Have<ul><li>Experience with ISO 20022 messaging standards</li><li>Exposure to open banking APIs or BNPL platforms</li><li>Prior work with UAE Central Bank regulated entities</li><li>Knowledge of HSM (Hardware Security Modules) and key management infrastructure</li></ul>Job Type: Full-timeWork Location: In person

Senior Full Stack Developer

BlackStone eIT

<div>BlackStone eIT is seeking a talented and experienced Full Stack Engineer (Lead) to join our innovative team. As a Full Stack Engineer Lead, you will be responsible for leading the design, development, and deployment of robust, scalable web applications. You will collaborate with cross-functional teams to deliver high-quality software solutions while mentoring and guiding junior team members. This role requires a strong technical background in both frontend and backend development, excellent leadership skills, and a passion for driving technical excellence.
Key responsibilities include overseeing full stack software development, ensuring best practices in code quality and architecture, coordinating with stakeholders to deliver on project objectives, and staying up-to-date with emerging technologies.
Required Skills &amp; Technologies<ul><li>React 18 + TypeScript &mdash; hooks, context, component composition, performance optimization</li><li>Data visualization &mdash; Recharts, D3.js, or Chart.js; knows when to use which</li><li>Tailwind CSS or equivalent &mdash; responsive layout, mobile-first design</li><li>Figma-to-code &mdash; takes a polished Figma design and faithfully implements it without a designer in the loop</li><li>MSAL.js &mdash; Azure AD authentication in SPAs</li><li>REST API integration &mdash; fetch/axios, error handling, loading states, optimistic updates</li><li>State management &mdash; React Query or Zustand</li><li>GitHub Actions &mdash; frontend CI/CD pipeline</li><li>Mobile responsiveness &mdash; CSS Grid/Flexbox, viewport testing across devices</li><li>Vitest / React Testing Library</li><li>WebSocket or SSE for real-time data feeds</li></ul> 
Requirements 
<ul><li>
Bachelor's degree in Computer Science or related field</li><li>
Minimum 6 years of experience in full stack development</li><li>
Proficiency in backend technologies such as .Net Core, C#, NodeJs, or similar</li><li>
Strong experience in frontend frameworks, including Angular, React, or Vue.js</li><li>
Solid understanding of RESTful APIs, web services, and database design (SQL/NoSQL)</li><li>
Experience leading and mentoring development teams</li><li>
Strong problem-solving, organizational, and communication skills</li><li>
Experience with version control systems such as Git</li><li>
Ability to work in an Agile/Scrum development environment</li><li>
Passion for continuous learning and technology innovation</li><li><ul><li>React + TypeScript SPA &mdash; six tabs: personalized executive home, KPI dashboard, finance &amp; budget, technology portfolio, news &amp; updates, wellbeing</li><li>Role-based views &mdash; executive (read-only summary), operational (read/write), admin (full configuration)</li><li>Azure AD SSO integration (MSAL.js), MFA enforcement, session management</li><li>Data visualizations &mdash; pie charts, bar charts, line charts, sparklines, progress bars, ranked leaderboards, posture indicators</li><li>Approval workflows &mdash; pending approvals, signature requests, approve/decline actions with audit display</li><li>Mobile responsiveness &mdash; all panels usable on a 390px viewport</li><li>Error states &mdash; graceful handling when data is stale, partial, or unavailable</li></ul></li></ul> 

Benefits<ul><li> 
Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
</li><li>Minimum of 5 years' experience as a Full Stack Developer or similar role in a professional setting.</li></ul></div>

Full Stack Engineer (Lead)

Exclusive Talent Management

The Role
 We are seeking a talented and passionate Blockchain Developer to join us in-house team in Dubai. The ideal candidate will be responsible for building and integra ng secure, scalable, and decentralized blockchain applications across our platforms. Key Responsibilities • Develop, test, and deploy smart contracts on Ethereum, Polygon, and other EVM compatible networks • Integrate blockchain functionalities such as wallet connections and NFT features • Collaborate with frontend and backend teams for seamless Web3 integra on • Ensure adherence to blockchain security best practices • Optimize smart contract interactions for performance and scalability • Stay current with trends in blockchain and decentralized ecosystems
 
Requirements
 Required Skills & Qualifications • 2+ years of hands-on experience in Blockchain development • Strong command of Solidity, web3.js, and ethers.js • Experience deploying and interacting with NFTs (ERC-721, ERC-1155) • Familiarity with wallet integrations (MetaMask, Wallet Connect) • Deep understanding of Ethereum and EVM-compatible chains • Knowledge of gas optimization and blockchain security practices Preferred Skills • Experience building dApps or NFT platforms • Understanding of DAO structures and decentralized governance • Familiarity with tokenomics models and blockchain identity systems • Past experience in blockchain gaming or Metaverse projects is a plus What We Offer • Opportunity to work on cu ng-edge blockchain products • Collaborative and forward-thinking environment • Competitive salary with potential bonuses • Growth path into leadership for high performers • Health insurance and visa sponsorship (as per UAE law) Education • Bachelor’s Degree in Computer Science, Blockchain Development, or equivalent • Candidates with strong professional experience may be considered in lieu of a degree
 
About the company
 Welcome to Exclusive Talent Human Resource Consultancies Co., a leading Human Resource Agency based in the heart of Dubai. Specializing in staffing solutions across the Middle East, our agency excels in providing flexible temporary to permanent placement options tailored to diverse organizational needs. Covering major markets including Saudi Arabia, Qatar, and the UAE, Exclusive Talent offers a broad network of highly skilled professionals across various industries. Utilizing advanced AI technology, our agency efficiently matches candidates with the precise skills and qualifications required for each role. With expertise in recruiting at all levelsfrom entry-level positions to mid-management and C-suite rolesExclusive Talent delivers comprehensive staffing solutions that support both immediate and long-term business objectives. Whether for temporary, hybrid, or permanent staffing needs, our agency ensures that the right talent is available to meet evolving demands and drive success.

Blockchain Developer

<div>BlackStone eIT is seeking a skilled Backend / Systems Engineer to join our technical team. In this role, you will be responsible for designing, developing, and maintaining the backend systems and infrastructure that power our applications and services.
You will collaborate closely with frontend developers, DevOps engineers, and product teams to ensure systems are robust, scalable, and secure. The ideal candidate has strong expertise in backend programming, system design, and server management.
Key Responsibilities<ul><li>
Develop and maintain backend services and APIs to support various applications.</li><li>
Design and implement scalable and efficient system architectures.</li><li>
Manage server infrastructure and ensure system reliability and performance.</li><li>
Collaborate with cross-functional teams to define system requirements and deliver solutions.</li><li>
Optimize applications for maximum speed and scalability.</li><li>
Monitor system health, troubleshoot issues, and perform root cause analysis.</li><li>
Maintain security best practices across backend systems and infrastructure.</li><li>
Document system architecture, code, and operational procedures.</li><li><ul><li>API contract &mdash; endpoint naming, schemas, HTTP status codes, error format</li><li>Authentication flow &mdash; token lifecycle, MFA enforcement points, role hierarchy</li><li>Workflow state transitions &mdash; what is permitted, logged, irreversible</li><li>Rate limiting, throttling, and idempotency design</li><li>Technology choices within the approved backend stack</li></ul></li></ul> 

Requirements 
<ul><li>
Bachelor's degree in Computer Science, Engineering, or a related field.</li><li>
3+ years of experience in backend development or systems engineering.</li><li>
Proficiency in backend programming languages such as Java, Python, Go, or Node.js.</li><li>
Experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB).</li><li>
Strong knowledge of system design principles and distributed systems.</li><li>
Familiarity with containerization and orchestration tools like Docker and Kubernetes.</li><li>
Understanding of networking, server management, and security best practices.</li><li>
Experience with version control systems like Git.</li><li>
Ability to work collaboratively in an agile development environment.</li><li>
Excellent problem-solving skills and attention to detail.</li><li><ul><li>FastAPI &mdash; async handlers, dependency injection, Pydantic models, middleware</li><li>Python 3.10+ &mdash; type hints, async/await, robust exception handling</li><li>PostgreSQL &mdash; ORM (SQLAlchemy), raw query optimization, transaction management</li><li>Azure AD &mdash; OAuth 2.0, JWT validation, MSAL, RBAC</li><li>Redis &mdash; session store, distributed lock patterns, caching</li><li>REST API design &mdash; versioning, error standardization, OpenAPI spec generation</li><li>Docker + Azure App Service deployment</li><li>GitHub Actions CI/CD</li><li>pytest &mdash; unit and integration test coverage</li><li>State machine design for multi-step workflows</li></ul></li></ul> 

Benefits 
<ul>
<li>Paid Time Off</li>
<li>Performance Bonus</li>
<li>Training &amp; Development</li></ul></div>

Backend / Systems Engineer

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