Senior Software Engineer developing payment processing services and integrations for KingMakers. Collaborating across teams in a hybrid work environment to ensure reliable financial transactions.
Responsibilities
Design, build and maintain payment processing services and integrations with third-party payment providers, PSPs and financial networks
Own features end-to-end: from technical design through delivery, testing, monitoring and production support
Work with event-driven architectures (Kafka, Service Bus) to ensure reliable, asynchronous processing of high-volume financial transactions
Contribute to a microservices ecosystem built on .NET / C#, with REST APIs, gRPC and cloud infrastructure on Azure
Collaborate closely with product managers, QA engineers and other squads (Risk, Platform, Player Account) to deliver seamlessly integrated experiences
Take part in code reviews and actively contribute to raising engineering quality across the squad
Help investigate and resolve production incidents, understanding root causes, not just symptoms
Contribute to technical discussions and push back constructively when you see a better path
Requirements
Strong experience delivering production-grade software, with end-to-end ownership of features and services
Solid C# / .NET (or .NET Core) development skills - our core backend language
Strong SQL Server and RDBMS skills; experience with MongoDB or other NoSQL technologies too
Experience building and consuming REST APIs and gRPC services
Familiarity with event-driven systems and messaging - Kafka and/or Azure Service Bus experience is a strong plus
Experience working with Azure cloud infrastructure and modern CI/CD practices
Familiarity with Redis for caching and Terraform for Infrastructure as Code is a plus
Containerisation experience (Docker / Kubernetes) is a plus
Experience in payments, fintech or high-volume transactional systems is a strong advantage
Comfortable working in a fast-moving, distributed team environment
Strong written and verbal communication: you can articulate technical decisions clearly.
Benefits
Hybrid work model — 2 days onsite, 3 remote
Competitive annual leave allowance + public holidays + your birthday off
Private medical cover.
Flexible compensation plan for meals and transport
Discretionary annual bonus based on company and individual performance
Regular team breakfasts, offsites, and local events
Work with global teams across Nigeria, South Africa, Malta, Madrid & the UK
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