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# Python Developer

- **Company:** King
- **Location:** Madrid, Spain
- **Contract:** Franchise
- **Skills:** Query Performance, Application Programming Interfaces (APIs), Business Analytics Applications, Data Analysis, Application Performance Management, User Authentication, Big Data, Microsoft Online Services, Business Software, Cloud Computing, Cloud Engineering, Software Quality, Code Review, Databases, Continuous Integration, Relational Databases, Software Debugging, Web Development, Distributed Systems, Django Web Framework, Electronic Data Interchange (EDI), Monitoring of Systems, Python (Programming Language), PostgreSQL, Microsoft Software, NumPy, Online Transaction Processing, Azure Active Directory, SciPy, Microsoft SharePoint, Software Engineering, Systems Integration, TypeScript, Web Applications, Web Services, Google Cloud, Grafana, Concurrency, Reliability of Systems, Backend, Fastapi, Pandas, Sentry, Data Analytics, Data Management, Celery, Asynchronous Programming, Docker
- **Published:** August 5, 2026
- **Apply:** https://www.buscojobs.com.es/python-developer-en-madrid-ID-365591251

## About the Role

Strong Python development experience in production environments
Experience building backend services and APIs
Understanding of modern web application development and the ability to contribute across the stack when needed
Solid understanding of asynchronous programming, concurrency, and distributed systems
Experience designing and optimizing relational databases
Experience building data-intensive applications and processing large datasets
Experience with background processing, job orchestration, or distributed workloads
Experience deploying and operating applications in containerized and cloud-native environments
Familiarity with CI/CD practices and automation pipelinesStrong testing, debugging, and problem-solving skills
Strong communication and collaboration skills
Ability to work effectively in cross-functional teams
High sense of code quality and the desire to build and maintain robust, reliable software
Curiosity and adaptability when learning new technologies and domains
Technologies We Use
Python
FastAPI
Django
HTMX
TypeScript
PostgreSQL
Pandas
NumPy
SciPy
Celery
Docker
Kubernetes
Drone CI
Bonus Points
Experience building forecasting, optimization, simulation, or analytics platforms
Experience with Google Cloud Platform or other major cloud providers
Experience integrating with Microsoft technologies and services such as Microsoft Entra ID (Azure AD), Microsoft Graph, Teams, SharePoint, or related enterprise platforms
Experience building internal developer platforms, business applications, or workflow automation solutions
Experience working with large-scale data processing systems
Familiarity with observability and monitoring tools such as Grafana or Sentry
Experience improving application performance and scalability in production environments

## Description

Job Description King operates games at a massive scale, serving hundreds of millions of players around the world.Behind every player experience is a large ecosystem of services, data platforms, forecasting systems, and internal tools that help our teams make better decisions, move faster, and deliver exceptional experiences.CraftTechnology & DevelopmentWe are looking for a Developer (Python) to help design, build, and operate backend services, internal applications, and data-driven platforms that support critical business and product decisions across King.You will work on systems that process large volumes of data, run forecasting and analytical workloads, and provide reliable APIs and services consumed by teams across the company.You will collaborate closely with software engineers, data scientists, analysts, product managers, and business stakeholders to build scalable solutions that transform complex data into actionable insights.This role combines backend engineering, distributed systems, cloud-native development, and data-intensive applications.While the primary focus of the role is backend engineering, you will also contribute to user-facing internal applications, helping deliver end-to-end solutions that enable teams across King to work more effectively.An important part of the role will be integrating our platforms and tools with the broader King and Microsoft ecosystem, enabling seamless collaboration, authentication, data exchange, and workflow automation across multiple services and platforms.King is a place where we build collaboratively and value diverse perspectives.We encourage experimentation, continuous learning, and ownership.You will have the opportunity to contribute to impactful projects, solve challenging technical problems, and work alongside experienced engineers in a supportive environment.Your Role Within the KingdomYou will enjoy a creative, challenging, and collaborative environment where your ideas will be valued as much as your technical expertise.ResponsibilitiesDesign, develop, and maintain backend services and APIs using PythonBuild scalable and reliable applications that support forecasting, analytics, and decision-making processes across the businessDevelop distributed processing pipelines and asynchronous workloadsDesign and optimize relational OLTP databases, data models, and query performanceBuild and maintain data processing, analytical, and forecasting workflowsDesign, develop, and maintain internal web applications when requiredBuild intuitive interfaces and workflows that enable technical and non-technical users to interact with backend systems and business toolsIntegrate services with the King and Microsoft ecosystems, including identity, collaboration, communication, and productivity platformsDevelop and maintain APIs and connectors that enable interoperability between internal and external systemsDeploy, monitor, and operate containerized applications in cloud-native environmentsContribute to technical designs, architectural discussions, and engineering best practicesImprove system reliability, observability, performance, and operational excellenceDeliver high-quality, well-tested, maintainable codeParticipate in code reviews and knowledge-sharing initiatives across teamsSupport CI/CD pipelines and automation practices throughout the software development lifecycleSkills to Create ThrillsStrong Python development experience in production environmentsExperience building backend services and APIsUnderstanding of modern web application development and the ability to contribute across the stack when neededSolid understanding of asynchronous programming, concurrency, and distributed systemsExperience designing and optimizing relational databasesExperience building data-intensive applications and processing large datasetsExperience with background processing, job orchestration, or distributed workloadsExperience deploying and operating applications in containerized and cloud-native environmentsFamiliarity with CI/CD practices and automation pipelinesStrong testing, debugging, and problem-solving skillsStrong communication and collaboration skillsAbility to work effectively in cross-functional teamsHigh sense of code quality and the desire to build and maintain robust, reliable softwareCuriosity and adaptability when learning new technologies and domainsTechnologies We UsePythonFastAPIDjangoHTMXTypeScriptPostgreSQLPandasNumPySciPyCeleryDockerKubernetesDrone CIBonus PointsExperience building forecasting, optimization, simulation, or analytics platformsExperience with Google Cloud Platform or other major cloud providersExperience integrating with Microsoft technologies and services such as Microsoft Entra ID (Azure AD), Microsoft Graph, Teams, SharePoint, or related enterprise platformsExperience building internal developer platforms, business applications, or workflow automation solutionsExperience working with large-scale data processing systemsFamiliarity with observability and monitoring tools such as Grafana or SentryExperience improving application performance and scalability in production environmentsAbout KingWith a mission of Making the World Playful, King is a leading interactive entertainment company for the mobile world with more than 20 years of history of delivering some of the world's most iconic games in the mobile gaming industry, including the world-famous Candy Crush franchise, as well as other mobile titles such as Farm Heroes Saga.King games are played by more than 200 million monthly active users.King, part of Microsoft (NASDAQ: MSFT), has Kingsters in Stockholm, Malmö, London, Barcelona, Berlin, Dublin, San Francisco, New York, Los Angeles and Malta.More information can be found at King.com or by following us on LinkedIn and @lifeatking on Instagram.#J-*****-Ljbffr


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