Senior Software Engineer

TL;DR

Senior Software Engineer (Backend/.NET): Building and maintaining backend microservices at enterprise scale with an accent on .NET/C# performance, SQL Server query tuning, and event-driven system design. Focus on leading architecture discussions, ensuring production reliability through incident response and post-mortems, and improving observability and testing automation.

Location: Pretoria

Company

hirify.global develops online gaming technology and platforms.

What you will do

• Design and maintain backend microservices, including service boundaries, communication patterns, and reliability.
• Implement event-driven architecture using RabbitMQ, Kafka, or Azure Service Bus.
• Build and evolve APIs (REST/gRPC) with backward compatibility and versioning strategies.
• Optimize data and search performance using SQL Server (indexing, execution plans, statistics), Redis caching strategies, and Elasticsearch search/aggregation tuning.
• Own production operations by leading incident response, running post-mortems, and driving operational improvements.
• Improve delivery and observability with Azure DevOps CI/CD pipelines and OpenTelemetry-based logging/tracing/monitoring.

Requirements

• 8+ years of backend software development experience and 3+ years in a senior/equivalent role.
• Expert-level proficiency in .NET 8+ and C# 12+ (async/await, LINQ, performance tuning, reflection).
• Strong experience with Dapper and/or EF Core, including ORM trade-offs and performance tuning.
• Advanced SQL Server skills, including query tuning, indexing, execution plans, and statistics; solid understanding of ACID, isolation levels, deadlocks, sharding, and partitioning.
• Experience designing microservices and leading architecture discussions without formal authority.
• Experience with testing automation across multiple testing layers and strong SOLID/design-pattern knowledge.

Culture & Benefits

• Work in a fast-moving environment with changing priorities and a strong ownership mindset.
• Collaborate cross-functionally with strong technical communication and mentorship.
• High attention to detail in regulated environments.
• Shortlisted candidates may need to complete an assessment.
• Credit and criminal record checks will be conducted due to access to customers’ financial details.

Hiring process

• Application review with relevance applied to the Talent Management and Talent Development Programme.
• Shortlisted candidates complete an assessment.
• Feedback expected within 2 weeks; otherwise application is considered unsuccessful.