Qureos Mentor

Moniepoint

<div>Who we are

Ranked in 2024 by the Financial Times, Moniepoint is Africa's fastest-growing fintech, trusted by over 10 million business and individual accounts, processing billions of Naira in transactions monthly. Our mission is to enable financial happiness for every African, everywhere.

About the role:

We're looking for a Data Scientist to sit at the heart of how we fight fraud, building the models, experiments, and detection systems that protect millions of customers and merchants across our platform. This is a high-impact role at the intersection of machine learning, product, and engineering, where your work will directly shape how Moniepoint detects and responds to emerging fraud threats. We are looking for a data-driven, intellectually curious Data Scientist who is energised by hard problems in fraud and financial crime. You'll prototype and ship ML models, design experiments, and uncover new fraud signals across our ecosystem, partnering closely with engineers, product managers, and analysts to turn your work into production-grade systems.

Curious about what makes Moniepoint an incredible place to work? Check out posts on how we cultivate a culture of innovation, teamwork, and growth.

What You'll Do
<ul>
<li>Model Development: Prototype, evaluate, and help productionize machine learning models for fraud detection; own their ongoing monitoring and retraining cycles.</li>
<li>Experimentation: Design and run experiments to measure the impact of fraud interventions, balancing customer experience against loss reduction.</li>
<li>Risk Assessment: Size fraud typologies across our product lines to inform prioritisation and investment decisions.</li>
<li>System Maintenance: Build and maintain anomaly detection systems to surface novel fraud vectors before they scale.</li>
<li>Cross-Functional Collaboration: Work closely with fraud operations, engineers, product managers, and data analysts to translate model outputs into real-world mitigations.</li>
</ul>
We would love to hear from you if&hellip;
<ul>
<li>A strong foundation in statistics with a degree in a quantitative field (Statistics, Mathematics, Engineering, Computer Science, or similar)</li>
<li>5+ years of experience in data science, decision science, or risk analytics within fraud, payments, or financial crime</li>
<li>Hands-on experience building and deploying machine learning models in a production environment, fraud, risk, or financial services experience is a strong plus</li>
<li>Solid grounding in data science fundamentals: experimentation, statistical inference, model evaluation, and feature engineering</li>
<li>Proficiency in Python and SQL; comfort working across the full model development lifecycle</li>
<li>An investigative instinct, you enjoy digging into data to find patterns others miss</li>
<li>The ability to communicate technical findings clearly to non-technical stakeholders and translate insights into action</li>
<li>Comfort working in fast-paced, cross-functional teams with high ownership expectations</li>
</ul>
What we can offer you
<ul>
<li>Culture: We put our people first and prioritise the well-being of every team member. We've built a company where all opinions carry weight and where all voices are heard. We value and respect each other and always look out for one another. Above all, we are human.</li>
<li>Learning: We have a learning and development-focused environment with an emphasis on knowledge sharing, training, and regular internal technical talks.</li>
<li>Compensation: You'll receive an attractive salary, pension, health insurance, monthly bonuses, plus other benefits</li>
</ul>
What to expect in the hiring process
<ul>
<li>A preliminary phone call with the recruiter</li>
<li>An interview with a business lead</li>
<li>Technical take-home task (SQL/Python test and case study)</li>
<li>A behavioural and technical interview with the Head of Data Science and a member of the executive team</li>
</ul>
Moniepoint is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees and candidates.</div>

Senior Data Scientist (Fraud)

<div>Who we are

Moniepoint Inc. is Africa's all-in-one financial platform, helping 20 million businesses and individuals access seamless payments, banking, credit, cross-border, and business management tools each month.

As Nigeria's largest merchant acquirer, we power most of the country's point-of-sale (POS) transactions. Through our subsidiaries, Moniepoint Inc. processes over $250 billion in digital payment transaction value annually.

About the role

Engineering at Moniepoint is a customer-focused community committed to building reliable, scalable solutions that redefine our industry. We process a significant volume of data and transactions every day, so performance, security, observability, and excellent user experiences are central to how we design and build our products. 
 
As a Senior Frontend Engineer, you will play a key role in developing intuitive, accessible, and high-performing web applications. You will work closely with product managers, designers, backend engineers, architects, and other stakeholders to translate complex business requirements into simple, dependable customer experiences.

Curious about what makes Moniepoint an incredible place to work? Check out posts on how we cultivate a culture of innovation, teamwork, and growth.

Location: Remote

Full time

Job Summary

We are looking for an experienced Senior Frontend Engineer with strong expertise in JavaScript, TypeScript, and React. You will take ownership of frontend architecture, technical implementation, and delivery across key products and projects. 
 
You will help define engineering standards, make architectural decisions, improve application performance, and support other engineers through code reviews, mentoring, and knowledge sharing. You should be comfortable working independently, leading technical initiatives, and operating effectively within a cross-functional agile team. 
 
Your primary goal will be to deliver secure, maintainable, and high-quality frontend solutions that meet user needs and support business objectives. 

What you'll get to do
<ul>
<li>Design, build, test, and maintain scalable web applications using React, TypeScript, HTML, and CSS.</li>
<li>Translate product requirements and design specifications into intuitive, responsive, and accessible user interfaces.</li>
<li>Define and evolve frontend architecture, coding standards, reusable patterns, and engineering best practices.</li>
<li>Build and maintain reusable components, shared libraries, and design-system foundations.</li>
<li>Integrate frontend applications with RESTful APIs, GraphQL services, and other backend systems.</li>
<li>Improve application performance, reliability, security, and browser compatibility.</li>
<li>Monitor and optimize Core Web Vitals, page-load performance, bundle size, and runtime efficiency.</li>
<li>Write clean, well-documented, and maintainable code supported by appropriate unit, integration, and end-to-end tests.</li>
<li>Review code, identify technical risks, and provide constructive feedback to other engineers.</li>
<li>Diagnose and resolve production issues using logging, monitoring, analytics, and observability tools.</li>
<li>Collaborate with product, design, backend, quality assurance, security, and infrastructure teams throughout the software development lifecycle.</li>
<li>Break down complex initiatives into clear, achievable technical tasks and contribute to delivery planning and estimation.</li>
<li>Improve development workflows through automation, tooling, continuous integration, and continuous delivery.</li>
<li>Contribute to technical documentation, architectural decisions, and engineering knowledge-sharing sessions.</li>
<li>Mentor frontend engineers and help strengthen the team's technical capabilities.</li>
<li>Evaluate emerging frontend technologies and introduce them where they provide measurable value.</li>
</ul>
To succeed in this role, you should have
<ul>
<li>At least seven years of professional software engineering experience, with significant experience building production-grade frontend applications.</li>
<li>At least seven years of experience working with JavaScript and React.</li>
<li>Strong proficiency in JavaScript, TypeScript, React, HTML, and modern CSS.</li>
<li>A solid understanding of React concepts, including hooks, component composition, state management, routing, and rendering behavior.</li>
<li>Experience designing and maintaining scalable frontend architectures and reusable component systems.</li>
<li>Strong knowledge of responsive design, browser compatibility, semantic HTML, and web accessibility.</li>
<li>Experience integrating frontend applications with APIs and handling authentication, authorization, validation, caching, and error states.</li>
<li>Experience with frontend testing tools and practices, including unit, integration, and end-to-end testing.</li>
<li>Familiarity with modern frontend tooling, package managers, build systems, and continuous integration pipelines.</li>
<li>Experience using Git and working within collaborative code-review processes.</li>
<li>An understanding of frontend performance optimization, application security, and production monitoring.</li>
<li>Experience with observability or application-monitoring platforms such as New Relic, Datadog, Sentry, or similar tools.</li>
<li>Strong analytical and problem-solving skills, with the ability to investigate complex technical issues systematically.</li>
<li>Excellent communication, organization, and technical leadership skills.</li>
<li>The ability to work independently, manage competing priorities, and take ownership of outcomes.</li>
<li>Experience working in an agile product-development environment.</li>
</ul>
Added Advantages
<ul>
<li>Experience with Next.js or another React-based application framework.</li>
<li>Experience with GraphQL, server-side rendering, static-site generation, or micro-frontend architectures.</li>
<li>Experience building or contributing to a design system.</li>
<li>Familiarity with frontend security practices and secure development principles.</li>
<li>Experience with feature flags, experimentation, product analytics, and data-informed development.</li>
<li>Experience working on high-traffic, transaction-heavy, financial, or other highly regulated products.</li>
<li>Experience mentoring engineers or leading frontend technical initiatives.</li>
</ul>
What success looks like
<ul>
<li>You consistently deliver reliable, accessible, and maintainable frontend solutions.</li>
<li>You improve the performance and usability of customer-facing products.</li>
<li>You take ownership of technical decisions and communicate trade-offs clearly.</li>
<li>You raise engineering quality through thoughtful architecture, testing, code reviews, and documentation.</li>
<li>You help other engineers grow while contributing positively to a collaborative engineering culture.</li>
</ul>
What we can offer you
<ul>
<li>Culture -We put our people first and prioritize the well-being of every team member. We've built a company where all opinions carry weight and where all voices are heard. We value and respect each other and always look out for one another. Above all, we are human.</li>
<li>Learning - We have a learning and development-focused environment with an emphasis on knowledge sharing, training, and regular internal technical talks.</li>
<li>Compensation - You'll receive an attractive salary, pension, health insurance, plus other benefits.</li>
</ul>
What to expect in the hiring process
<ul>
<li>A preliminary phone call with the recruiter</li>
<li>Technical Assessment</li>
<li>A technical interview with a Lead in our Engineering Team</li>
<li>A behavioural and technical interview with a member of the Executive team.</li>
</ul>
Moniepoint is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees and candidates.</div>

Senior Frontend Engineer

Join Moniepoint and explore 2   exciting career opportunities. They're hiring for various roles with options for remote or on-site work. Apply today and become part of their innovative team.

Moniepoint

About Company

Senior Data Scientist (Fraud)

Senior Frontend Engineer