Principal Front-End Software Engineer

Posted 15 Days Ago
Be an Early Applicant
Madrid, Comunidad de Madrid
Expert/Leader
Sports
The Role
As a Principal Front-End Software Engineer, you will lead the development of scalable web application features, ensure optimal performance, mentor team members, and collaborate with various stakeholders. Your role includes overseeing technical direction, problem-solving, and implementing quality assurance measures, all while enhancing user experience.
Summary Generated by Built In

We are KingMakers, a customer-centric tech startup, dedicated to creating innovative products that entertain our customers and keep them engaged both online and through our agency operations. 

Since the successful launch of our first product, BetKing, in 2018, we have continued our momentum and will soon be introducing our newest offering, SuperSportBet, in South Africa. In partnership with the Multichoice Group and SuperSport, SuperSportBet enhances the passion that sports fans have for the game with a world-class sports betting and casino experience. 

As our Kingdom expands, we proudly stand as the leading Sports and Digital Entertainment platform in Africa, and we are still actively hiring an exceptional team of Creators and Innovators across Africa, the United Kingdom, Europe, and the Middle East. 

There has never been a better time to join our Kingdom than today! 

Role Overview: 

Have you ever thought of joining a hyper growth startup that’s redefining its industry? Look no further! We are one of the fastest growing companies in our sector, using innovative technology and solving the hardest problems to bring African sports fans an unrivalled digital sports entertainment experience, online, offline, 24/7.

As Principal Front-End Software Engineer, you will lead the development and implementation of web application features, ensuring optimized, scalable front-end code that meets high performance and usability standards. This senior-level position involves setting technical direction, mentoring team members, and collaborating with teams and the Front-end architect.

What You Will Be Doing:  

  • Technical Leadership: Uphold high code quality and front-end performance standards.
  • Project Oversight: Collaborate with product managers, designers, and back-end developers on project planning and estimation.
  • Mentorship: Mentor junior and mid-level developers, fostering continuous learning through code reviews and feedback.
  • Problem Solving: Address complex technical challenges related to user experience, performance, and scalability.
  • Collaboration: Work with stakeholders to ensure seamless integration of the front end with other system components.
  • Performance Optimization: Ensure the application is performant, responsive, and accessible across devices and browsers.
  • Quality Assurance: Implement automated testing strategies to meet quality standards prior to deployment.
  • User Experience: Prioritize intuitive and visually appealing applications that enhance user experience.


What You Need for This Role:  

 Qualifications and Experience:

  • Bachelor’s/Master’s in Engineering, Computer Science, or similar.
  • Over 10 years of experience in front-end design and development.
  • Expertise in full-stack development, REST principles, UI design, implementation, testing, and support.
  • Experience mentoring engineers.

 Skills, Knowledge, and Abilities:

  • JavaScript/TypeScript: Advanced understanding for complex applications.
  • Frameworks: Expertise in React, Angular, or Vue.js and state management libraries.
  • HTML5/CSS3: Proficient in semantic HTML and CSS, including preprocessors.
  • Version Control: Proficient with Git and related workflows.
  • Build Tools: Familiarity with modern front-end build tools (e.g., Webpack, Babel).
  • Performance Optimization: Knowledge of techniques for enhancing application performance.
  • Testing: Experience with unit and end-to-end testing methodologies.
  • API Integration: Proficiency in working with RESTful and GraphQL APIs.
  • UI/UX Principles: Strong grasp of design principles and accessibility standards.
  • Security Best Practices: Understanding of web security vulnerabilities and mitigation.
  • Responsive Design: In-depth knowledge of responsive and adaptive design approaches.
  • Architecture Patterns: Familiarity with component-based design and micro-frontends.
  • DevOps/CI/CD: Basic understanding of CI/CD practices for front-end deployments.

 Soft Skills:

  • Strong analytical and troubleshooting skills.
  • Leadership and mentorship abilities to guide team members.
  • Excellent communication skills for technical concepts.
  • Adaptability to learn new technologies quickly.
  • Attention to detail for polished and bug-free solutions.
  • Strong project management and collaboration skills.
  • Critical thinking to provide innovative solutions.
  • Empathy for users, prioritizing accessibility and usability.


How you do it – Expectations for fulfilling your role:  

As a general rule at KingMakers we want people to be: 

  • Customer Focus: We keep the customer at the center of everything we do.  
  • Passion & Dedication: We are passionate about what we do, employing only smart, honest, dedicated, and results oriented team players.  
  • Openness, Honesty & Directness: We embrace a culture of candor and work together towards the right solution whilst being open, honest, and willing to give and receive feedback, judgment-free. We play the ball, not the person.  
  • Innovation & Big Thinking: We always look for ways to innovate whilst not losing sight of what's important. The bigger we think, the more we inspire, the better the outcome.   
  • Ownership & Accountability: We think like owners. If we see a problem, we find a solution. We are pragmatic and always strive to do more with less. 
  • Speed & Focus: We plan, we strategize, but mostly, we DO. Without doing, there is no progress, we can always change direction but only if we start moving. Fast beats slow.  
  • Low Ego: The best solutions are achieved when we leave our egos at the door. We always seek opportunities to learn in every situation. No job too small.  
  • Fun: On balance, we believe in having fun whilst working. We maintain perspective as best as we can, and together, we celebrate our successes.

Beyond our great company benefits and competitive salaries, we recognize that to grow sustainably and thrive positively we need to engage the right talent because our people are a merit to our success. We have an inclusive culture where everyone can thrive and where everybody has a seat at the table.

So, what are you waiting for? Click apply and join our Kingdom today!

Top Skills

JavaScript
Typescript
The Company
HQ: London
644 Employees
On-site Workplace
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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