{"id":846428,"url":"https://alion.io/job/zain-cash-backend-developer-senior-specialist","title":"Backend Developer Senior Specialist","company":{"id":49353,"name":"Zain Cash","domain":"zaincash.com","url":"https://alion.io/company/zain-cash","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Amman, Jordan"],"countries":["JO"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"C#","optional":false},{"name":"Dependency Injection","optional":false},{"name":"Oracle","optional":false},{"name":"Repository Pattern","optional":false},{"name":"Rest API","optional":false},{"name":"Windows","optional":false},{"name":"SOAP","optional":true}],"status":"live","first_seen_at":"2026-10-18T13:56:11Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-21T12:25:43Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":2},"description":"The Backend Specialist is a skilled software engineer with deep expertise in .NET Core development, system integration, and API design. This role is critical to building and maintaining robust backend services that power digital platforms across the organization. The candidate will be responsible for the design, implementation, and optimization of APIs, microservices, and database-driven features, as well as integration with internal and external systems.\nThis position requires strong technical judgment, experience in deploying applications to Linux and Windows environments, and a collaborative mindset to work with cross-functional teams in a high-availability, security-focused environment.\nKey Responsibilities:\nDesign and implement high-performance, secure RESTful APIs using C# .NET Core.\nApply modern design patterns (e.g., dependency injection, repository pattern) to ensure scalable and maintainable backend services.\nBuild microservices and reusable components in support of business and platform needs.\nIntegrate backend systems with internal services, third-party platforms, and external APIs.\nImplement and manage enterprise application integrations using API gateways, service buses, or messaging systems.\nEnsure secure authentication and authorization flows (OAuth2, JWT, SAML).\nDevelop and maintain relational databases (mainly, Oracle), including complex queries, stored procedures, indexing, and optimization.\nEnsure proper data modeling, access layer design, and transaction management.\nDevelop and maintain unit tests, integration tests, and automated validation pipelines.\nMonitor, debug, and optimize backend services for performance, reliability, and security.\nWork closely with frontend developers, QA, product managers, and business stakeholders.\nTranslate business needs into technical specifications and robust backend architectures.\nProduce clear technical documentation for APIs, services, and data flows\nRequirements\nBachelor’s degree in computer science, Software Engineering, or a related discipline.\n5-7 years of hands-on experience in backend software development\nStrong command of .NET Core, API development, and object-oriented programming.\nProven experience with relational databases and data-driven applications.\nHands-on experience deploying and managing applications on Linux and Windows servers.\nProfessions in software principles, such as STRONG, DRY and others.\nPreferred Skills\nIn addition to professions in .NET core, it will be beneficial knowledge and experience in old technologies in order to participate in supporting and migrating old technologies, such as SOAP, web forms, and MVC.\nFamiliarity with enterprise level architectures.\nExposure to fintech or regulated industry standards including data protection and audit compliance.\nStrong debugging, optimization, and performance-tuning skills.\nAbility to handle complex integration projects independently and mentor junior developers when needed.\nWork Conditions\nWork Conditions\nHybrid or in-office as per company policy.\nMay require occasional after-hours support for critical deployments or incidents.\nPaced environment with opportunities to contribute to platform architecture and technical 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