Python Developer

King; Barcelona; Presencial; EUR 70.000 - 100.000; Jornada completa

Descripción de la vacante

King is seeking a backend-focused engineer to design, build, and maintain scalable Python services and APIs. You will collaborate with data scientists, analysts, product managers, and business stakeholders to transform complex data into actionable insights and enable end-to-end solutions across King’s platforms.

You will work on distributed processing, cloud-native development, and data-intensive applications, while integrating with King and Microsoft ecosystems.

Formación

• 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.
• 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 pipelines.
• Strong testing, debugging, and problem-solving skills.

Responsabilidades

• Design, develop, and maintain backend services and APIs using Python.
• Build scalable applications supporting forecasting, analytics, and decision-making processes.
• Develop distributed processing pipelines and asynchronous workloads.
• Design and optimize relational databases, data models, and query performance.
• Build and maintain data processing, analytical, and forecasting workflows.
• Design, develop, and maintain internal web applications when required.
• Build interfaces and workflows for both technical and non-technical users.
• Integrate services with King and Microsoft ecosystems for authentication and data exchange.
• Deploy, monitor, and operate containerized applications in cloud-native environments.
• Contribute to technical designs and engineering best practices.
• Improve system reliability, observability, and performance.

Conocimientos

Python development

Backend services

Web application development

Asynchronous programming

Relational databases

Data-intensive apps

Distributed systems

CI/CD practices

Testing & debugging

Team collaboration

Communication

Cross-functional teamwork

Herramientas

PostgreSQL

Docker

Kubernetes

Celery

FastAPI

Django

HTMX

TypeScript

Descripción del empleo

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.

Craft:

Technology & Development

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.

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 Kingdom

You will enjoy a creative, challenging, and collaborative environment where your ideas will be valued as much as your technical expertise.

• Design, develop, and maintain backend services and APIs using Python
• Build scalable and reliable applications that support forecasting, analytics, and decision-making processes across the business
• Develop distributed processing pipelines and asynchronous workloads
• Design and optimize relational OLTP databases, data models, and query performance
• Build and maintain data processing, analytical, and forecasting workflows
• Design, develop, and maintain internal web applications when required
• Build intuitive interfaces and workflows that enable technical and non-technical users to interact with backend systems and business tools
• Integrate services with the King and Microsoft ecosystems, including identity, collaboration, communication, and productivity platforms
• Develop and maintain APIs and connectors that enable interoperability between internal and external systems
• Deploy, monitor, and operate containerized applications in cloud-native environments
• Contribute to technical designs, architectural discussions, and engineering best practices
• Improve system reliability, observability, performance, and operational excellence
• Deliver high-quality, well-tested, maintainable code
• Participate in code reviews and knowledge-sharing initiatives across teams
• Support CI/CD pipelines and automation practices throughout the software development lifecycle

Skills to Create Thrills

• 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 pipelines
• Strong 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

About King

With 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.