{"id":3716317,"url":"https://alion.io/job/orascom-construction-senior-back-end-developer","title":"Senior Back-End Developer","company":{"id":1813676,"name":"Orascom Construction","domain":"orascom.com","url":"https://alion.io/company/orascom","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cairo, Egypt"],"countries":["EG"],"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":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"GCP","optional":false},{"name":"GraphQL","optional":false},{"name":"Nest.JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"Apache Kafka","optional":true},{"name":"Docker","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true},{"name":"New Relic","optional":true},{"name":"Node JS","optional":true},{"name":"Prometheus","optional":true},{"name":"RabbitMQ","optional":true}],"status":"live","first_seen_at":"2026-11-02T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-11-02T00:00:00Z","board_verified":false,"closed_at":null,"days_open":3,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":3},"description":"Position: Senior Back-End Developer\n Organization: O-Trade & Logistics\n Through O Trade & Logistics (OTL) Orascom Investment Holding introduces otrovato a B2B platform designed to simplify trade across Africa and beyond. otrovato connects buyers and sellers ensuring secure efficient and seamless transactions. By empowering businesses and enabling cross-border trading and partnerships otrovato serves as an online B2B platform driving Africas economic growth.\nPlatform link: otrovato B2B platform in Africa\n Job Description:\n The Senior Back-End Developer is responsible for designing building and optimizing scalable back-end systems that power eCommerce solutions. Focused on developing high-performance secure and reliable APIs services databases and integrations Core and NestJS while applying best practices for microservices and cloud-based architectures\n Key Responsibilities:\n Core Development\n Design develop and maintain scalable back-end applications using .NET Core (C# Entity Framework) and NestJS.\n Develop and manage RESTful APIs and contribute to GraphQL services.\n Architect optimize and maintain relational (SQL Server PostgreSQL) and NoSQL databases.\n Ensure system security (authentication authorization encryption data protection).\n Implement caching load balancing and performance optimizations for high-traffic environments.\n Collaboration & Delivery\n Work closely with front-end developers to provide seamless integration.\n Collaborate with product managers designers and DevOps engineers.\n Align with Tech Leads and architects on long-term technical direction.\n Participate in agile development cycles delivering features reliably and on time.\n Quality & Continuous Improvement\n Write clean maintainable and testable back-end code.\n Implement and maintain automated testing (unit integration API tests).\n Participate in peer code reviews to maintain best practices and consistency.\n Suggest and implement improvements in development processes DevOps and CI/CD pipelines.\nStay updated on .NET Core NestJS and cloud technologies.\n\n Qualifications:\n Bachelors degree in computer science Software Engineering or equivalent.\n7 years of professional back-end development experience.\nStrong expertise in .NET Core (C# Core Entity Framework).\nExperience building APIs and services with NestJS.\nDatabase expertise (SQL Server PostgreSQL NoSQL).\nExperience with microservices distributed systems and RESTful APIs.\nFamiliarity with cloud platforms (Azure preferred; GCP/AWS are a plus).\nGood understanding of DevOps practices (CI/CD Docker Kubernetes).\nStrong debugging performance optimization and security skills.\nKnowledge of GraphQL and API gateways.\nExperience in high-traffic eCommerce systems.\nExposure to event-driven architectures (Kafka RabbitMQ).\nFamiliarity with monitoring tools (New Relic Prometheus etc.).","description_format":"text","description_chars":2836,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Engineering Services","Construction"],"lifecycle":[{"event":"open","at":"2026-11-04T00:50:45Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":2,"expected_fill_days":46,"reasons":["seen:2","win:early"],"computed_at":"2026-11-04T06:34:25Z"},"pay":null,"html_url":"https://alion.io/job/orascom-construction-senior-back-end-developer","json_url":"https://alion.io/job/orascom-construction-senior-back-end-developer.json","meta":{"generated_at":"2026-11-05T02:47:32Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":3691,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-06T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1813676},"rest":"https://alion.io/mcp/rest/get_company?id=1813676"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Forascom-construction-senior-back-end-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Forascom-construction-senior-back-end-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Forascom-construction-senior-back-end-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/orascom-construction-senior-back-end-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Forascom-construction-senior-back-end-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3716317}},{"tool":"search_jobs","arguments":{"company":"orascom.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3716317},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); 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