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0KingMakers
Madrid, ES
Front-End Software Engineer
KingMakers · Madrid, ES
React Javascript C# Java Python CSS Azure HTML Angular Docker Cloud Coumputing GraphQL Git TypeScript AWS DevOps LESS
About Us
At KingMakers, we're not here to follow the industry; we're here to shape it. We're redefining sports and gaming entertainment across Africa, creating platforms that bring millions of users closer to the games and experiences they love.
Since 2018, we've grown rapidly to become one of the key players in the region, recognized for redefining the industry and setting the stage for what's next.
Our mission is bold: we aim to inspire, empower, and create meaningful value for the people and communities we serve. Collaboration and innovation are at the heart of our culture, driving every interaction to be memorable, impactful, and forward-looking.
We think big, move fast, and challenge convention. From revolutionizing user experiences to solving some of the most complex engineering challenges, we set the gold standard. If you're ready to make your mark, there's no better time to join KingMakers.
Role Overview:
As a Front-End Software Engineer, you will be joining a team focused on ensuring that our gaming products are highly resilient, extremely low latency and scalable to massive volume, all while providing a first-class customer experience. With a great understanding of the modern architectural and engineering practices that underpin highly successful distributed transactional solutions, your team will work hand-in-glove with the Product Managers to design, build, deliver and run our gaming platforms and products.
Sharing your team's passion for automation and producing thoroughly tested and high-quality services and you will leave no stone unturned to help drive the company's success.
Part of our rapidly growing Tech team, you will have the opportunity to play a crucial role in taking the KingMakers products to the next level.
What you will be doing:
- Design it: ensure that everything is designed not just for now, but for the growth of years to come
- Build it: deliver great solutions that are proven to meet the needs of the Product Managers and Product Designers as well as your colleagues in Support and Operations
- Test it: be accountable for your own testing and for the overall quality of your output, you'll make sure testing happens fast, frequently and effectively
- Run it: check that everything is working as expected and go hunting for problems to solve, to constantly improve the solution
- Document Everything: make sure we have top class and up to date technical and use case documentation
- Mentor and coach: support and help onboard and train the less experienced members of the team
- Collaborate: engage with other teams and users across the company to identify ways to improve and build upon the capabilities of the Platform
What you need for this role:
- Extensive experience in web development, using HTML, CSS, JavaScript and TypeScript
- Production experience with any of the modern web frameworks, such as React (Next.JS), Angular or Vue
- Comfortable working with JS tools and ecosystem, like NodeJS, NPM or Yarn, webpack, Rollup, Grunt, ESLint
- Strong fundamental knowledge in Front End development, understanding how browsers work and performance best practices in modern web apps
- Experience with headless content management systems like Strapi or Umbraco is a plus
- Proficient in Git (we use GitHub and Azure DevOps)
- Good understanding of CI/CD principles
- Experience working with data fetching via RESTful APIs or GraphQL
- Experience writing tests (unit, integration, E2E) and documentation, using tools like Cypress or Storybook
- Experience with Docker is a plus
- Experience with backend languages (C#, Java, Python) is a plus
- Experience with cloud services like Azure, AWS or GCP is a plus
- A passion for detail and problem solving, with excellent verbal and written communication skills
- Hyper-growth start-up experience is a strong plus
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.
At KingMakers, your work doesn't just power platforms, it shapes a movement. Here's what you can expect:
- Global Impact: Build systems that redefine how millions engage with sports and entertainment
- International Collaboration: Work with top talent from across the world in a dynamic and inclusive culture
- Personal Growth: Take on exciting challenges that help you level up as an engineer and leader
- Innovation First: Join a team that celebrates creativity, diversity of thought, and continuous learning
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.