Senior Back-End Engineer

Join an agile team at South Africa's fastest-growing fintech, where you'll work with

disruptive payment solutions, AI adoption, and cutting-edge technology within PayJustNow and Finchoice. Be part of a purpose-driven organisation making a real difference—driving the next wave of financial inclusion and transforming how South Africans access payments, credit, and mobile services.

Role Overview

The absolute legend of an Engineer we're seeking will be responsible for working within the Engineering development team to deliver new initiatives, enhancements, and resolve live issues with a full understanding of the standard system development lifecycle and have a track record of delivering changes, enhancements, and new functionality.

As a Senior Back-End Engineer, you will play a pivotal role in developing and maintaining

robust, scalable and secure serverless solutions on AWS. The ideal candidate will have strong expertise with AWS, and SQL, among other competencies.

The Team

The engineering team forms an integral part of the Weaver fintech business, collaborating with several departments and is responsible for the development and support of multiple systems, websites, applications, and mobile apps.

Key Responsibilities

• Architect and implement scalable serverless solutions on AWS following an APIfirst approach, considering compliance and industry standards.
• Work with cross-functional teams to define and implement OpenAPI specifications, ensuring consistency and quality in your deliverables.
• Design, implement, and optimise database schemas for performance and scalability.
• Collaborate with front-end developers and other stakeholders to deliver high-quality, end-to-end solutions.
• Being able to work with people of various technical proficiencies and communicate outcomes clearly and effectively.
• Play an active role in code reviews to ensure code quality, consistency, and adherence to best practices for yourself and the team.
• Your solutions are designed in a way that is testable and repeatable
• Staying up to date with the latest information, whether it be coding practices, security standards or anything that can help your team be more successful.

Desired Qualifications & Experience

• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent relevant experience).
• Experience in a Fintech or other financial institution is a bonus.

Technical Requirements

• You have a proven track record as a quality back-end engineer using AWS products for more than 5 years.
• You have solid experience with RESTful APIs, event-driven design and implementation.
• You know your way around databases, both SQL and NoSQL AWS certifications are a plus.
• You have the ability to work within a complex tech stack, and take an end-to-end perspective in your approach
• You treat your code as a craft, continuously honing your craft and the outcomes
• of your work.
• You are not afraid of teamwork; in fact, you encourage it.

What we offer

Our Culture Foundation

We build our workplace on reciprocity and trust. Every team member commits to

delivering their best work while supporting colleagues and customers alike. Strong,

authentic relationships drive our success—we value transparency, equity, and the

unique perspectives each person brings to our team.

• Your Benefits & Growth
• Flexible Work Environment – Hybrid working arrangements designed around your productivity and life balance
• Professional Development – Comprehensive support through coaching programs, skills training, and educational bursaries to accelerate your career
• Employee Wellness – Access to our CareConnect employee assistance program for holistic wellbeing support
• Modern Technology – Cutting-edge architectures and tools that maximise efficiency and minimise repetitive work
• Recognition & Celebration – We acknowledge your milestones and
• achievements throughout your journey with us
• Team Connection – Regular team socials and company-wide events that strengthen our relationships beyond work.

In summary, we offer benefits and invest in your growth, valuing fairness, authenticity,

and support. We celebrate differences as strengths and prioritise your development.