Senior Web Developer

RPO Recruitment; Johannesburg; Remote; ZAR 600,000 - 800,000; Full time

Job summary

A leading fintech company in Gauteng seeks a Senior Web Developer with extensive experience in C# and MVC. The role offers remote work options and involves designing customer-facing Internet Banking features, ensuring security, and mentoring junior engineers. Ideal candidates will have over 7 years in web development, a BSc in Computer Science, and strong problem-solving skills. Competitive salary and benefits are offered.

Benefits

Competitive salary and commission structure

Medical Insurance

Retirement Annuity Benefits

Training and resources for professional growth

Qualifications

• 7 years professional web development experience.
• 3 years in a senior/lead capacity.
• Experience with mobile app deployment.

Responsibilities

• Design and maintain Internet Banking and Portal features.
• Embed bank-grade security in every release.
• Mentor mid-level and junior engineers.

Skills

C# (.NET Framework and Core)

MVC

HTML5

CSS3

JavaScript/TypeScript

Git

Problem-solving skills

Education

BSc / BEng in Computer Science or comparable experience

Tools

Azure DevOps

Flutter

Job description

Overview

Senior Web Developer role based in Gauteng with remote work options. A leading fintech company seeks an experienced developer with strong MVC and C# background to guard and evolve Internet Banking and Management Portal platforms and explore modern UI options (Flutter) for future initiatives. Ideal for someone with senior/lead experience and a passion for cutting-edge technology.

Responsibilities

• Design, build and maintain customer-facing Internet Banking and Portal features on the existing MVC stack.
• Embed bank-grade security (OWASP Top 10, PCI-DSS, PSD2) in every release; drive regular vulnerability assessments and fixes.
• Own release quality: automated tests, code reviews, CI/CD pipelines (Azure DevOps), and performance monitoring.
• Collaborate with DB, Middle-tier, UX, Mobile, DevOps, and Security teams; translate business goals into technical blueprints and delivery roadmaps.
• Mentor mid-level and junior engineers; cultivate clean-code and documentation culture in an all-remote environment.
• Prototype new modules in Flutter Web.
• Stay up to date with the latest mobile development technologies and trends.
• Troubleshoot and debug mobile applications; identify and resolve performance issues.
• Continuously improve mobile applications to enhance user experience and optimize performance.
• Integrate RESTful APIs and third-party libraries to expand app functionality.
• Participate in code reviews and ensure code adheres to high-quality standards and best practices.
• Communicate with stakeholders to understand needs and provide technical solutions.
• Work independently and deliver high-quality work within tight deadlines.

Requirements

• BSc / BEng in Computer Science or comparable experience.
• 7 years professional web development, including 3 years in a senior/lead capacity.
• .NET Server-Side: 7 years C# (.NET Framework and Core) with deep MVC skills.
• Front-End Web: HTML5, CSS3, SCSS, Bootstrap, modern JavaScript/TypeScript, responsive design, cross-browser performance tuning.
• Security: OAuth2 / OIDC and JWT flows, MFA, XSS/CSRF hardening.
• DevOps and Cloud: CI/CD in Azure DevOps, App Insights logging.
• Testing: Unit and integration testing, UI automation, load/perf testing.
• Proficiency with Git and version control.
• Strong problem-solving and troubleshooting skills.
• Experience with mobile app deployment and app store submission processes.
• Expertise in testing and debugging mobile applications on various devices and platforms.
• Good communication and leadership skills.

Benefits

• Competitive salary and commission structure.
• Medical Insurance and Retirement Annuity Benefits.
• Supportive and collaborative work environment.
• Training and resources to stay updated on industry trends and best practices.

Contact RPO Recruitment for your next career opportunity. Apply for this role today: contact Justin Peach at RPO Recruitment or on LinkedIn. You can also visit the RPO Recruitment website or email your CV.

We will contact you telephonically in 3 days if you are suitable for this vacancy. If not, we will keep your CV on file for future vacancies.