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NovaKingMakers
Madrid, ES
Android Engineer
KingMakers · Madrid, ES
Java Agile Kotlin Git Android Jira QA Retrofit
About us
At KingMakers, we're not just building products, we're connecting communities. Since launching our first product in 2018 (BetKing), we've grown into a customer-obsessed tech startup redefining sports and digital entertainment across Africa. Our mission is to bring people closer to the sports they love, whether online or through our on-the-ground agency operations, and to do it with heart, speed, and purpose.
We've built a team of brilliant minds across Africa and Europe, and there's never been a more exciting time to join our Kingdom.
As a Android Engineer, you'll play a crucial role in shaping the mobile experiences at the core of our platform. This is a hands-on, individual contributor position, ideal for someone passionate about building high-quality, scalable applications that power millions of interactions.
You'll be part of a world-class engineering team that values collaboration, creativity, and ownership. From designing robust architecture to refining the smallest UI interaction, your work will have real impact, not just on our users, but across the entire business.
We're looking for someone who is deeply familiar with Android development, thrives in a fast-moving environment, and is ready to take technical ownership in a product-led organization. If you're driven by problem-solving, love working with distributed systems, and want to contribute to products that people use every day, we'd love to hear from you.
What you will be doing
- Build and maintain native Android applications using Kotlin, Java, and modern Android components.
- Contribute across the full development lifecycle: from technical planning and system design to implementation, testing, deployment, and ongoing support.
- Design dynamic and adaptive UIs with clean architecture patterns (MVVM, Clean Architecture).
- Integrate with high-volume, distributed backend systems through RESTful APIs and JSON.
- Own performance optimization, profiling, debugging, and testing across a wide range of Android devices and OS versions.
- Collaborate with cross-functional teams, from Product to QA, to deliver delightful and reliable mobile experiences.
- Champion best practices around CI/CD, test automation, Git workflows, and third-party library management.
- Troubleshoot and resolve production issues, contributing to continuous improvement of our development processes and infrastructure
What you need for this role
- Strong experience with Android SDK, Kotlin, Java, Coroutines, and Lifecycle-aware components.
- Solid knowledge of Android UI/UX principles and architecture components like Fragments and Jetpack libraries.
- Demonstrated experience working on high-traffic, transactional mobile platforms.
- Skilled in design patterns, object-oriented programming, and clean, maintainable code.
- Experience with libraries like Retrofit, Dagger, and RxJava.
- Familiarity with networking fundamentals (TCP/IP, DNS, routing).
- Hands-on experience with CI/CD, Git, and test automation tools.
- Strong unit and UI testing skills.
- Agile mindset and proven experience working with tools like Jira and Confluence.
- Excellent communication skills and experience collaborating with distributed teams.
- Startup or hyper-growth environment experience is a strong plus
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
We believe talent deserves more than just a seat at the table — it deserves to be celebrated. Our compensation packages are competitive and designed to reflect your experience and the impact you'll make.
We tailor our benefits locally to suit what matters most to you — whether that's private healthcare, flexible work, or learning budgets — because when you thrive, we all do.
KingMakers
Madrid, ES
AI Engineering Manager
KingMakers · Madrid, ES
Python TSQL Azure Docker Kubernetes Terraform Machine Learning Power BI
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.
About the role
As an AI Engineering Manager at KingMakers, you will lead the adoption of AI across the organization, driving cross-functional projects that blend innovation with real-world impact. You'll define the technical vision for ML and generative AI, mentoring teams on best practices while ensuring our solutions are ethical, scalable, and business-focused. Your role will be to evangelize AI internally and empower teams to transform ideas into cutting-edge, reliable products.
What You Will Be Doing:
- Define and own the AI/ML roadmap, ensuring alignment with business goals and measurable impact across products and operations.
- Lead cross-functional AI initiatives, from early discovery to production-ready solutions, influencing stakeholders and driving adoption company-wide.
- Design and oversee robust ML and LLM pipelines, ensuring performance, reliability, and scalability.
- Champion the use of generative AI (LLMs, RAG, fine-tuning) and guide teams on best practices for responsible and explainable AI.
- Partner with Product, Data, and Engineering teams to identify opportunities for AI-driven innovation and automation.
- Establish and scale MLOps/LLMOps frameworks, including CI/CD, monitoring, model registry, and drift detection.
- Mentor and grow a multidisciplinary team of engineers and data scientists, fostering a culture of technical excellence and continuous learning.
- Drive cost/performance optimization of AI models and infrastructure (Azure OpenAI, Databricks, Kubernetes).
- Ensure compliance with data privacy (GDPR) and ethical AI principles, embedding governance and auditability into all processes.
- Act as the internal AI evangelist, running workshops, demos, and training sessions to build organizational AI literacy.
- Collaborate with external vendors and partners to evaluate, integrate, and scale AI tools effectively.
- Stay at the forefront of LLM and GenAI trends, rapidly testing and implementing new capabilities that give the company a competitive edge
What You Need for This Role:
Technical skills
- Strong programming expertise in Python, PySpark, SQL, and experience with Bash/shell scripting for automation.
- Solid knowledge of data engineering patterns (Delta Lake/Lakehouse, ETL/ELT) with a focus on data quality and governance.
- Proven experience designing end-to-end ML pipelines, including feature engineering, training, evaluation, and deployment.
- Deep understanding of ML and deep learning frameworks (Scikit-learn, TensorFlow, PyTorch).
- Hands-on expertise in LLM & GenAI, including prompt engineering, RAG architectures, fine-tuning (LoRA), model evaluation, and guardrails.
- Familiarity with AI coding agents (e.g., GitHub Copilot), orchestration frameworks (LangChain, Semantic Kernel), and vector databases.
- Advanced knowledge of Databricks, Azure core services (ADLS, ADF, Event Hub, Key Vault) and Azure Machine Learning Studio/Service.
- Experience with MLOps/LLMOps (MLflow, CI/CD, monitoring, drift detection, rollback strategies, feature stores).
- Skilled in containerization (Docker, Kubernetes/AKS) and Infrastructure as Code (Terraform).
- Strong foundation in data visualization and analytics (Matplotlib/Seaborn, Power BI).
- Understanding of security, compliance, and Responsible AI practices (GDPR, explainability, auditability).
Soft skills
- Technical leadership: ability to mentor and grow high-performing, multidisciplinary teams.
- Strategic thinking: translate business objectives into actionable AI/ML roadmaps with measurable KPIs.
- Stakeholder alignment: influence cross-functional teams, balancing priorities and managing trade-offs.
- Clear communication & storytelling: explain complex technical concepts to non-technical audiences.
- Change management: evangelize AI adoption and implement new tools and processes effectively.
- Decision-making under uncertainty: rapid prototyping and data-driven iteration.
- Ethics & risk awareness: strong advocate for responsible and explainable AI.
- Vendor management: evaluate and integrate external AI solutions cost-effectively.
- Resilience and adaptability: thrive in a fast-paced, evolving AI landscape.
- Scale-up mindset: balance execution speed with long-term technical strategy and process building
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