Senior Frontend Software Engineer

Reposted 2 Days Ago
Be an Early Applicant
3 Locations
In-Office
Senior level
Sports
The Role
As a Senior Front-end Software Engineer, develop and maintain UI components, integrate with backend services, and build scalable web applications, ensuring high performance and code reliability.
Summary Generated by Built In

About us:

At KingMakers, we’re not just building products; we’re redefining how millions of sports fans across Africa experience entertainment. Our mission is simple yet ambitious: to deliver seamless, 24/7 digital sports and gaming experiences that bring people closer to the games they love, online and offline.
The Role:

As a Senior Front-end Software Engineer, you’ll play a key role in ensuring our products are highly resilient, low-latency, and provide an exceptional customer experience. You’ll work closely with Product Managers and a world-class engineering team to develop and optimize our gaming platforms, contributing to our rapid growth.

We’re looking for someone who thrives on solving complex challenges, embraces cutting-edge engineering practices, and has a passion for creating reliable, high-performance systems. In this role, you’ll collaborate closely with cross-functional teams to build, enhance, and support the platforms that power KingMakers’ expanding product portfolio.

This is more than just a technical role: it’s an opportunity to make a lasting impact. At KingMakers, we’re bold in our ideas, fearless in tackling the hardest problems, and relentless in our pursuit of innovation. If you’re ready to bring fresh perspectives, push boundaries, and shape the future of sports and gaming entertainment, we’d love to hear from you.

What you will be doing

  • Develop and maintain UI components using React and TypeScript, ensuring high-quality and scalable solutions.
  • Integrate seamlessly with backend services through RESTful APIs, delivering a smooth user experience.
  • Build high-performance and responsive web applications that work flawlessly across devices.
  • Ensure maintainability and performance with best practices in CSS, responsive design, and accessibility.
  • Write and maintain unit tests with Jest or similar frameworks, ensuring code reliability.
  • Architect scalable frontend solutions, leveraging patterns such as SSG, SSR, Islands, and Streaming SSR.

Requirements

What you need for this role:

  • Strong expertise in CSS and UI design principles to create intuitive interfaces.
  • Proven experience building modern web applications with React, TypeScript, and JavaScript.
  • Experience working with RESTful APIs for seamless backend integration.
  • Familiarity with unit testing using Jest or similar tools to maintain code quality.
  • Deep understanding of frontend architectural patterns for scalable applications.
  • Experience working with CMS platforms like Strapi or Umbraco.
  • Knowledge of Cloudflare, Vercel, or similar platforms for web hosting.
  • Familiarity with package managers such as PNPM or Yarn.
  • Exposure to Application Performance Monitoring (APM) tools like Kibana and Elastic.

How you do it – Expectations for fulfilling your role:  

At KingMakers, culture isn’t just a set of words on a wall, it’s how we show up, how we work, and how we grow. That’s why we created Our CROWNS: six bold, clear and actionable values that guide how we make decisions, collaborate, and raise the bar for ourselves and each other.

  • 👑 Customer First
    We build with and for our customers. Whether internal or external, we care deeply about what drives them and always strive to deliver real, meaningful value.
  • 📈 Raise the Bar
    We take initiative, take ownership, and never settle. We’re not here to show off, we’re here to make an impact, raise standards, and push for better every time.
  • 💬 Operate with Candor
    We build trust through openness and honesty. We speak clearly, listen actively, and make space for others to be part of the conversation. Truth with kindness, always.
  • 🤝 We Build Together
    We collaborate across teams, support one another, and leave egos aside. We succeed as a team, lifting each other up and sharing the load.
  • ⚡ No Hesitation, Never Reckless
    We move boldly and responsibly. We take smart risks, speak up, and try new things, with the courage to own the outcome and the clarity to avoid chaos.
  • 🚀 Speed & Iteration
    We act fast, learn fast, and improve fast. We cut through the noise, take action, and adapt quickly. Progress beats perfection.

Benefits

At KingMakers, your work will have a real impact. Here’s what makes us different:

  • Shape the Future: Build systems that transform the way millions engage with sports and entertainment, making every interaction meaningful.
  • Work Globally: Collaborate with exceptional talent from across the world in an inclusive and dynamic environment.
  • Embrace Challenges: Take on exciting projects that push boundaries and allow you to grow as a leader in your field.
  • Innovate and Thrive: Be part of a culture that celebrates bold ideas, values diversity, and prioritizes personal and professional growth.

What We Offer

At KingMakers, we believe great talent deserves great rewards. That’s why we offer competitive compensation packages designed to reflect your expertise and impact.

Our benefits are tailored to each location, ensuring they align with what matters most to our people. Whether it’s health coverage, hybrid work and perks, we strive to provide what you need to thrive – wherever you are.

Top Skills

Cloudflare
CSS
Elastic
JavaScript
Jest
Kibana
Pnpm
React
Restful Apis
Strapi
Typescript
Umbraco
Vercel
Yarn
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The Company
HQ: London
644 Employees
Year Founded: 2018

What We Do

KingMakers is the leading sports and digital entertainment platform company across the African continent.

We are focused on creating opportunity. Opportunity that allows individuals and communities to realise their dreams – to be the best they can be. Opportunities to grow, to change, to build a business, to make a difference. Opportunity for individuals. Opportunity for our communities.

Our proprietary technology, delivered through our agency and online platforms, brings sports fans and their communities closer to the games they love.

We do this by building products and content experiences that delight our customers daily, that empower our partners and sustain their communities.

That’s why at the heart of KingMakers is a passion to empower individuals and to give back to the community. We do this by allowing agents in our network to grow their own business and in so doing enrich the communities in which we operate.

Our goal is always to put the customer first : by combining technology, customer insight and talent we strive to give African sports fans a superior, more rewarding and engaging experience, online, offline 24/7.

Our Values:
• Customer Focus
• Passion & Dedication
• Openness, Honesty & Directness
• Innovation & Big Thinking
• Ownership & Accountability
• Speed & Focus
• Low Ego
• Fun

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