Senior Full Stack Developer

2 weeks ago

Johannesburg, Gauteng, South Africa Sourcefin Full time R1 800 000 - R2 500 000 per year

As a Senior Full Stack Developer at Sourcefin, you will design, develop, and maintain scalable applications across both front-end and back-end systems. You will lead by example in coding standards, mentor developers, and collaborate closely with product managers, analysts, and designers. The role focuses on building robust fintech solutions with a modern front-end stack and back-end services developed in C#/.NET.

Front-End Development

  • Develop responsive, scalable web applications using , Angular, or
  • Ensure performance, accessibility, and responsive design standards are met.
  • Collaborate with UI/UX teams to implement design systems and prototypes.

Back-End Development

  • Architect and develop APIs and microservices with C#/.NET Core.
  • Integrate databases (SQL Server, PostgreSQL) and third-party services.
  • Ensure security, scalability, and reliability of back-end systems.

Code Quality & Optimisation

  • Write clean, modular, and reusable code that follows best practices and industry standards.
  • Conduct code reviews, debugging, and performance optimisation to enhance application efficiency.
  • Stay updated with modern development tools, frameworks, and trends to improve development workflows.

Collaboration & Agile Development

  • Work within an Agile/Scrum/Kanban environment, participating in ceremonies including sprint planning, stand-ups, and retrospectives.
  • Collaborate with cross-functional teams, including product managers, designers, scrum master's and business analysts, to align on the project goal.
  • Provide input on technical feasibility and system enhancements.
  • Document technical decisions and maintain knowledge sharing practices.

Technology & Innovation

  • Stay updated with industry trends and emerging technologies to improve Sourcefin's digital products.
  • Introduce innovative tools and practices to improve workflows.
  • Contribute to the development of Sourcefin's design systems, component libraries API ecosystem.

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