Back-End / Full Stack Developer (Senior)

ATS Client

Cape Town

On-site

ZAR 1,000,000 - 1,800,000

Full time

14 days+

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Job summary

ATS Client in Cape Town is seeking a seasoned Back-End Developer to drive scalable backend services with .NET Core, C#, and SQL Server. You will mentor engineers, design system architecture, and guide API integration with Vue.js front-ends.

The role offers a hybrid work model with strong emphasis on DevOps and performance optimization. Ideal candidates have 10+ years of full-stack experience, with expertise in distributed systems, Clean Architecture, SOLID principles, and CI/CD practices using

Qualifications

10+ years in software development with backend leadership experience.
Advanced .NET Core / C# for building scalable RESTful APIs.
Design distributed enterprise systems using Clean Architecture and SOLID.
Strong SQL Server design, indexing and performance tuning.
Experience implementing CI/CD with Azure DevOps and mentoring engineers.
Ability to articulate architectural decisions to stakeholders.

Responsibilities

Design and implement highly scalable backend services using .NET (C#) and optimize SQL Server databases.
Lead critical system design and architectural decisions for scalability and reliability.
Guide integration between backend services and Vue.js client applications.
Drive DevOps maturity, testing standards, and code quality improvements.
Mentor junior engineers and proactively identify technical risks with mitigation plans.
Collaborate across distributed teams and participate in architecture reviews.

Skills

Leadership

Mentoring

Architecture

Code reviews

DevOps

Communication

Tools

.NET Core

SQL Server

Vue.js

Azure DevOps

Job description

Job Description

Location: Cape Town
Work Type: Hybrid
Job ID: J107049

About our client

Our client is a global investment advisory firm focusing on long-term value creation through investment strategies. They work with a diverse group of institutional partners and pride themselves on their collaborative, sustainable, inclusive culture and performance. You are welcome to go into the office daily or to take advantage of their hybrid in-office / remote benefit. This company places significant investment in employee wellness, their benefits which are on top of generous basic salaries, are industry leading in their generosity. Our client is large, offering fantastic career development opportunities but also very dynamic, they track as many metrics as possible in order to continuously improve - they spare no expense on the tools to do so. Automation, AI and R&D are pillars of their business framework which ensures you should never be at risk of falling behind or getting stuck working with old legacy software. Culturally they are very cosmopolitan and diverse, you will be working with the best globally.

What you will be doing

Design and implement highly scalable backend services using .NET (C#) and optimize SQL Server databases.
Lead critical system design and architectural decisions, prioritising scalability, reliability, and maintainability.
Guide the seamless integration design between backend services and client-side Vue.js applications.
Drive continuous improvement in development practices, elevating code quality, testing standards, and DevOps maturity.
Provide mentorship to junior engineers, proactively identify technical risks, and formulate mitigation strategies.
Collaborate across distributed teams, actively participate in code reviews and architectural discussions, and influence the broader technical direction.

What our client is looking for

10+ years in software development with demonstrated ability to lead back-end initiatives and deliver complex, full-stack systems end-to-end.
Advanced expertise in .NET Core / C# for building scalable, production-grade RESTful Web APIs.
Strong experience designing distributed, enterprise-grade systems, applying Clean Architecture, SOLID principles, and design patterns.
Advanced knowledge of Microsoft SQL Server, including schema design, indexing, performance tuning, and query optimization.
Experience implementing and optimising CI/CD pipelines (e.g., Azure DevOps) and proven ability to mentor engineers and conduct technical reviews.
Excellent skills for articulating architectural decisions, trade-offs, and strategy to both technical and non-technical stakeholders.
Exposure to modern front-end frameworks (Vue.js), ETL workflows, cloud-native architecture, performance profiling/monitoring, and the financial/investment domain is a plus.

Requirements