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Datafin

Senior Full Stack Software Engineer (TypeScript, Node.js, React, AWS) (CPT/JHB Hybrid)

Datafin

  • R Undisclosed
  • Permanent Senior position
  • Cape Town
  • Posted 18 Sep 2025 by Datafin
  • Expires in 28 days
  • Job 2622694 - Ref 26626
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About the position

ENVIRONMENT:

BE responsible for key functions that directly impact the onboarding and configuration experience for merchants as the next Senior Full Stack Software Engineer wanted by a cutting-edge FinTech company providing a seamless payment service. This will include onboarding, user management, merchant configuration, and the setup of sandbox configuration for testing and support. The successful incumbent will require 5+ years’ experience in Cloud-based Backend Engineering, strong Node.js, TypeScript, React, AWS (primarily Lambda, API Gateway and Serverless), Jira, Confluence, Git, GitLab, MySQL & PostgreSQL.

DUTIES:

  • Onboarding: Setup new merchants for products, connections and payment methods, ensuring a seamless start. Dashboard: The team oversees the dashboard's design and general management.
  • Merchant Login: Ensure a secure and intuitive login experience for the Dashboard.
  • Merchant Configuration: Customise and edit merchant business and account settings.
  • User Management: Handle access controls and user roles for both merchants and users.
  • Transaction Listing: Provide merchants with transaction records and details for easy tracking and analysis.
  • User Logs: Keep track of user activity for security and auditing.
  • Internal Dashboard: A tool for users to complete daily tasks.

Role expectations -

Successfully able to build new features and enhance existing MX features:

  • Design, build, and integrate technical requirements alongside the team across the full product portfolio.
  • Ensure secure, scalable, and compliant payment processing to the Backend.

Effective troubleshooting and debugging of issues:

  • Independently diagnose and propose solutions for issues and incidents, leveraging logs, monitoring, and code analysis.

REQUIREMENTS:

  • Languages: TypeScript, Node.js, React
  • Infrastructure: AWS (Lambda, Serverless)
  • Database: MySQL, PostgreSQL
  • Tools: Jira, Confluence, Git
  • CI/CD & Automation: GitLab Pipelines

Technical Expertise:

  • 5+ Years of experience in Cloud-based Backend Engineering
  • Strong experience with Node.js, TypeScript and React
  • AWS experience (primarily Lambda, API Gateway and Serverless)
  • Database experience (MySQL, PostgreSQL)

ATTRIBUTES:

Problem-solving & Ownership -

  • Ability to design elegant, scalable solutions for new features.
  • Able to iteratively maintain and evolve existing features to meet best practices and modern standards.
  • Takes initiative, owns projects end-to-end, and thrives in a fast-paced, high-scale environment.

Collaboration & Communication -

  • Works well in a fully remote team, with strong written and verbal communication skills in English.
  • Comfortable working cross-functionally with product, operations, and external partners.

While we would really like to respond to every application, should you not be contacted for this position within 10 working days please consider your application unsuccessful.

COMMENTS:

When applying for jobs, ensure that you have the minimum job requirements. OnlySA Citizens will be considered for this role. If you are not in the mentioned location of any of the jobs, please note your relocation plans in all applications for jobs and correspondence. Apply here [URL Removed] OR e-mail a Word copy of your CV to [Email Address Removed] and mention the reference number of the job.

Desired Skills:

  • Senior
  • Full
  • Stack

Apply Now

Datafin

About the agency

Datafin Recruitment was established in 1999 and is one of South Africa’s leading Recruitment companies. Owned and managed by two sisters Lindy and Bev Sollinger, we focus on connecting with both our clients and candidates in an authentic conscious meaningful manner. We focus on the Tech, Digital/Online, Data, Finance and HR industries.

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