Senior .NET Engineer

Salt; Cape Town; Hybrid; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Hybrid work model

Competitive salary

Global exposure

Job summary

Salt Digital Recruitment seeks a Senior .NET Engineer based in Cape Town to design, build and maintain backend systems supporting high-volume transactions across international markets.

You will join a skilled engineering team delivering secure, high-performance software in a regulated financial environment, collaborating with cross-functional teams to deliver robust APIs and services.

Qualifications

• 5+ years' experience in backend development using .NET Core (C#).
• Strong experience with SQL Server or similar relational databases
• Cloud infrastructure experience (AWS preferred)
• Background in financial systems, trading, or high-availability platforms is advantageous
• Familiarity with DevOps practices and CI/CD pipelines
• Strong problem-solving and communication skills

Responsibilities

• Design, develop, and maintain scalable backend systems using C#/.NET Core
• Build and enhance RESTful APIs
• Contribute to architectural decisions and system design
• Collaborate with cross-functional teams including front-end, infrastructure, and product
• Write clean, testable, and maintainable code in a highly regulated environment
• Participate in code reviews and mentor junior engineers

Skills

Backend development

C# / .NET Core

RESTful APIs

DevOps practices

CI/CD pipelines

Communication skills

Tools

SQL Server

AWS

Kafka

RabbitMQ

React

TypeScript

FIX

Job description

Overview We're working with a global financial services technology team to find an experienced Senior .NET Engineer based in Cape Town. This role involves building and maintaining critical backend systems that support high-volume transactions across international markets. You'll be joining a highly skilled, collaborative engineering team working on secure, high-performance software.

Key Responsibilities

• Design, develop, and maintain scalable backend systems using C#/.NET Core
• Build and enhance RESTful APIs
• Contribute to architectural decisions and system design
• Collaborate with cross-functional teams including front-end, infrastructure, and product
• Write clean, testable, and maintainable code in a highly regulated environment
• Participate in code reviews and mentor junior engineers

Requirements

• 5+ years' experience in backend development using .NET Core (C#)
• Strong experience with SQL Server or similar relational databases
• Comfortable with cloud infrastructure (preferably AWS)
• Background in financial systems, trading, or high-availability platforms is advantageous
• Familiarity with DevOps practices and CI/CD pipelines
• Strong problem-solving and communication skills

Nice to Have

• Experience with messaging systems (e.g., Kafka, RabbitMQ)
• Familiarity with React and TypeScript
• Understanding of financial protocols (e.g., FIX) or post-trade processes

What's On Offer

• Join a global engineering team building systems used in real-time
• Competitive salary and benefits package
• Hybrid work model - Cape Town-based with flexibility
• Exposure to international markets and fintech innovation

Salt is acting as an Employment Agency in relation to this vacancy.