{"id":4146161,"url":"https://alion.io/job/ippo-interactive-backend-developer-c-net","title":"Backend Developer (C# / .NET)","company":{"id":4534721,"name":"Ippo Interactive","domain":"ippogaming.com","url":"https://alion.io/company/ippo-interactive","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Nigeria"],"countries":["NG"],"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":"ASP.NET Core","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Dependency Injection","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"Git","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"Azure","optional":true},{"name":"Docker","optional":true},{"name":"GitHub","optional":true},{"name":"Hangfire","optional":true},{"name":"RabbitMQ","optional":true},{"name":"Redis","optional":true},{"name":"SignalR","optional":true}],"status":"live","first_seen_at":"2026-11-12T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-11-12T00:00:00Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Ippo Gaming is a technology-driven gaming company building innovative products and platforms for the African market.\n\nThrough our B2B division, Ippo Interactive, and our consumer-facing gaming brands, we develop technology that powers interactive gaming experiences, digital payments, customer engagement and real-time gaming operations.\n\nWe believe in building and owning our technology. We're constantly developing, improving and scaling our platforms to support our growing business.\n\nAbout the Role\n\nWe're looking for a talented Mid-Level Backend Developer with strong experience in C# and .NET to join our engineering team.\n\nYou'll work on the systems powering our gaming platforms, payment integrations, real-time operations and internal business applications.\n\nThis role is ideal for an engineer who enjoys solving complex technical challenges, takes ownership of their work and is passionate about building reliable, secure and scalable software.\n\nKey Responsibilities\n\nDesign, develop and maintain backend applications and services using C# and ASP.NET Core.\nBuild, maintain and optimise RESTful APIs for our gaming platforms and internal applications.\nDevelop and maintain integrations with payment gateways, banking services, USSD platforms and other third-party APIs.\nDesign and optimise databases to ensure performance, reliability and data integrity.\nBuild and maintain systems handling financial transactions and real-time gaming operations.\nImplement secure authentication, authorisation and access control mechanisms.\nTroubleshoot production issues, investigate root causes and implement lasting solutions.\nWrite clean, efficient, maintainable and well-tested code.\nCollaborate with frontend developers, product managers and other engineers to deliver new features.\nParticipate in code reviews, technical discussions and continuous improvements to our architecture.\nContribute to application monitoring, performance optimisation and system reliability.\n\nRequirements\n\n3–5 years of professional backend development experience.\nStrong proficiency in C# and .NET / ASP.NET Core.\nSolid experience building and maintaining RESTful APIs.\nGood understanding of Entity Framework Core and ORM principles.\nExperience working with relational databases, particularly SQL Server or PostgreSQL.\nStrong knowledge of database design, query optimisation and data modelling.\nUnderstanding of asynchronous programming, concurrency and multithreading in .NET.\nExperience implementing authentication and authorisation using JWT, OAuth or similar technologies.\nFamiliarity with dependency injection, SOLID principles and common software design patterns.\nExperience with Git and collaborative development workflows.\nUnderstanding of unit testing, integration testing and debugging.\nFamiliarity with CI/CD pipelines and application deployment.\nStrong analytical and problem-solving skills.\nAbility to work independently and collaborate effectively within a team.\n\nNice to Have\n\nExperience with Redis or other caching technologies.\nExperience with message brokers such as RabbitMQ or Azure Service Bus.\nFamiliarity with Docker and containerised applications.\nExperience deploying and maintaining applications on Microsoft Azure or other cloud platforms.\nUnderstanding of microservices and event-driven architecture.\nExperience with background processing using Hangfire or similar technologies.\nExperience working on fintech, gaming or high-volume transaction processing systems.\nKnowledge of payment processing, reconciliation and financial transaction integrity.\nExperience with real-time communication technologies such as SignalR.\n\nWhat We're Looking For\n\nWe value engineers who go beyond simply completing assigned tasks.\n\nWe're looking for someone who:\n\nTakes ownership: Accepts responsibility for delivering reliable solutions and follows through.\nThinks critically: Understands business requirements and translates them into practical technical solutions.\nIs proactive: Identifies potential issues, suggests improvements and takes initiative.\nValues quality: Writes clean, maintainable code and considers long-term scalability.\nCommunicates effectively: Works well with others and contributes constructively to technical discussions.\nKeeps improving: Is curious, adaptable and committed to continuous learning.\n\nWhy Join Ippo?\n\nWork on live products serving customers and partners across Nigeria.\nBuild and improve technology supporting real-time gaming, digital payments and business operations.\nTake ownership of meaningful projects and see the direct impact of your contributions.\nCollaborate with a growing team of engineers and product professionals.\nEnjoy a hybrid work arrangement.\nBe part of a company that values innovation, accountability and continuous improvement.\n\nHow to Apply\n\nInterested candidates should send their CV, along with links to their GitHub profile or relevant projects, to .\n\nEmail Subject: Backend Developer (C# / .NET) – Ippo Gaming\n\nTell us about the applications you've built, the technical challenges you've solved and the contributions you're most proud 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