Senior Full Stack Engineer

About the role

The role designs and delivers robust back-end and front-end applications for internal and external users across Africa. It focuses on scalable, efficient, and reliable solutions for financial data and high-volume transaction platforms. You will partner with talented engineers to support recognizable brands across the region. In this capacity, you translate complex business requirements into technical specifications that guide the delivery lifecycle. You ensure that every service boundary is clearly defined and that data flows securely between components. You contribute to the full lifecycle of product development, from initial discovery through to production deployment and observability. You mentor junior engineers by providing code reviews, technical guidance, and constructive feedback. You act as a bridge between product, design, and operations to align technology decisions with business outcomes.

Key facts

What you'll do

Architect and build platform solutions that scale, stay efficient, and remain reliable under load.

Design and develop technical solutions that advance the product vision and support merchant needs.

Tackle complex technical challenges to improve system performance and reliability for distributed payment workloads.

Refine platform architecture and integrate components smoothly with other systems to enable seamless workflows.

Review specifications and code, run thorough testing, and uphold high code quality standards.

Write and maintain tests, including unit, integration, and end-to-end tests, to validate critical flows.

Collaborate closely with product managers and stakeholders to clarify requirements and remove implementation roadblocks.

Implement monitoring and alerting strategies that provide insight into system health and user impact.

Participate in on-call rotations to respond to production incidents and support rapid resolution.

Contribute to architectural decision records, design documents, and technical documentation for future reference.

Engage in knowledge sharing sessions to spread best practices and emerging patterns across the engineering organization.

Requirements

The posting states a bachelor's degree requirement. You have extensive programming experience in at least one language such as JavaScript, TypeScript, Java, C++, C#, Python, or another major language.

You have worked on large, distributed systems at scale and understand SQL databases.

You write solid unit testing and integration tests and communicate clearly in a remote environment.

You take ownership of assigned work and show a passion for building products that help African businesses.

You are comfortable breaking down ambiguous problems and proposing solutions that balance trade-offs.

You demonstrate resilience when dealing with production issues and a methodical approach to debugging.

You respect code reviews and feedback, using them to continuously improve the quality of your contributions.

You adhere to agile ceremonies and practices, including sprint planning, standups, and retrospectives.

Practical notes

The role is based in Cape Town and requires a degree as stated in the listing.

Typical interview steps

Hiring for engineering roles usually starts with a recruiter screen, followed by one or two technical rounds. Candidates often solve a coding problem, discuss past projects, and answer system design questions. Some loops include a take-home task. Final rounds typically cover team fit and give candidates a chance to ask questions. Interviewers look for how you break down an unfamiliar problem, not just whether you reach the answer. Practicing a few problems aloud and reviewing your own past projects are the best preparation.

Good to know

Roles of this type typically involve architecting and delivering reliable payment platforms using modern web technologies. Common tools include Node.js runtimes, Express-style frameworks, container orchestration, relational and document databases, and cloud infrastructure. Clear communication and remote collaboration are important for working effectively with cross-functional teams. You will work within a structured engineering culture that emphasizes code quality, testing, and measurable outcomes. The environment values engineers who can operate independently while remaining aligned with team objectives. You will interact with stakeholders across regions, requiring sensitivity to different markets and regulatory contexts. The work involves balancing fast delivery with long-term platform stability. You should be prepared to discuss trade-offs between technical debt and feature velocity. You will engage with both legacy systems and greenfield initiatives during your tenure.

Questions to ask

Worth asking in any interview: how the team measures success, who the role works with daily, what the onboarding looks like, and what the company is trying to achieve this year. Asking what past hires did well is a strong final question. Keep the list short and pick the questions that matter most to you. You may also inquire about the deployment pipeline, observability tools, and data governance policies. Understanding how engineering performance is evaluated can provide clarity on career progression. Asking about mentorship opportunities and learning resources shows commitment to long-term growth. Clarifying the scope of ownership helps you gauge alignment with your career goals.

Career growth

Engineering careers usually progress from individual contributor to senior, staff, and principal levels. Some engineers move into management and lead teams of five to twenty people. Others stay on the technical track. Growth follows demonstrated impact, not tenure alone. A typical engineering ladder has clear levels with defined expectations for scope, quality, and mentorship. Moving up usually requires owning outcomes end to end rather than completing assigned tickets. You will be evaluated on the reliability of your systems, the clarity of your communication, and your ability to influence technical direction. Continuous learning, cross-functional collaboration, and proactive problem solving are recognized as drivers of advancement. The company invests in skills development through training, conferences, and internal talks when feasible. You are encouraged to share insights through talks, blogs, or internal documentation. Long term impact is measured by the stability of the platforms you build and the trust placed in your expertise by peers and stakeholders.