[VKS] Senior Full-stack Integration Developer (Java + JavaScript/TypeScript)

Software Mind; Kraków; On-site; PLN 140,000 - 210,000; Full time

Job summary

Doist in Kraków is seeking a software engineer to design, develop, and maintain both backend and frontend components of an Aggregation Platform in an API-first environment. You will build integration solutions between game providers, operators, and game UIs using Java and modern JavaScript tech, with TypeScript, Node.js, and Webpack.

You’ll contribute to CI/CD and DevOps, and work in Agile teams to improve reliability and performance.

Qualifications

• Experience designing and building API-first platforms.
• Strong knowledge of Java and modern JavaScript ecosystems.
• Experience in Agile teams and DevOps practices.

Responsibilities

• Design, develop, and maintain backend and frontend components.
• Build API-first integrations between game providers, operators, and UIs.
• Develop scalable, secure applications using Java and TypeScript/Node.js.
• Contribute to CI/CD pipelines and deployment automation.
• Collaborate with cross-functional teams to improve platform architecture.

Skills

Java

TypeScript

Node.js

Frontend development

API design

CI/CD

DevOps practices

Agile methodologies

Tools

Webpack

Git

Jenkins

Docker

Job description

Project – the aim you’ll have

Our client is a gaming company established to reform the national gaming system. Operating under the principle of exclusivity, its mission is to provide games responsibly, mitigate gambling-related risks, and ensure player protection while preventing fraud.The company offers a wide range of games divided into three main categories: Lucky Games, Casino Games, and Betting Games. It emphasizes operating responsibly and contributing to a safe and secure gaming environment.

Position – how you’ll contribute

Design, develop, and maintain both backend and frontend components of the Aggregation Platform.Build API-first integration solutions that enable seamless communication between game providers, operators, and game UIs.Develop scalable, secure, and high-performance applications using Java and modern JavaScript technologies.Contribute to the development of frontend integration components using TypeScript, Node.js, Webpack, and modern package management tools.Collaborate with cross-functional teams to design integration solutions and improve platform architecture.Contribute to CI/CD pipelines, deployment automation, and overall DevOps practices.Participate in architectural discussions and continuously improve platform reliability, scalability, and performance.Work within Agile teams and contribute to technical decision-making throughout the development lifecycle.