Praca dla back-end developer w Krakow

About The Role What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers in Kraków to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable...

Requirements - Backend Engineering Expertise: Strong experience with Java, Spring Boot, RESTful APIs, and modern backend development practices. - Architecture & Scalability: Proven track record designing and building scalable applications and distributed systems. - Data & Integrations: Experience with MongoDB and integrating complex business systems such as...

Requirements Backend Engineering Expertise: Strong experience with Java, Spring Boot, RESTful APIs, and modern backend development practices. Architecture & Scalability: Proven track record designing and building scalable applications and distributed systems. Data & Integrations: Experience with MongoDB and integrating complex business systems such as...

- Bachelor's degree in Computer Science, Software Engineering, or related field - Minimum 5 years of front-end development experience - Solid command of React, Next.js, TypeScript, WebRTC, and modern JavaScript frameworks - Practical knowledge of Figma, component libraries, and design systems - Understanding of API integration, RESTful/GraphQ L, and web...

- At least 3 years of commercial experience in front-end development; candidates may be considered at Mid or Senior level - Strong proficiency in React, TypeScrip t and JavaScript - Commercial experience and strong knowledge of Vue.js - Experience translating Figma designs into robust, responsive web interfaces - Good understanding of responsive design,...

- Strong experience in React.js and modern frontend development (JavaScript/TypeScript). - Proficiency in HTML5, CSS3 , and responsive design principles. - Familiarity with API integrations and asynchronous data handling. - Experience working with UX design tools (e.g., Figma, Sketch, Adobe XD). - Strong understanding of frontend development best practices...

We are seeking a Lead Fullstack Developer with a proven ability to deliver complex web applications, guide technical teams, and leverage modern AI capabilities. The ideal candidate has deep expertise in either Node.js on the back end and React or Angular on the front end, and is comfortable architecting solutions on AWS, GCP, or Azure. Please note, office...

- Strong professional experience in native iOS development for production-grade apps - Expert in Swift programming and solid understanding of iOS fundamentals : app lifecycle, concurrency, background execution - Hands-on experience with UI frameworks (e.g., SwiftUI or UIKit), navigation architectures, and data persistence (e.g., Core Data) - Skilled in...

We are seeking a skilled Lead .NET Engineer with deep knowledge of Front-End, Cloud, and AI to join a dynamic development team supporting one of our key clients. In this role, you will design, build, and maintain secure, scalable, and reliable web applications and services using .NET, cloud, and AI technologies, in addition to solid front-end development...

For our Client we are looking for an experienced Java Developer who will be responsible for both the development and maintenance of the microservices. Location: Kraków, hybrid work model – 2 days per week in the office, 3 days remote Cooperation model: [Full-time / B2B] Project for our Client from the financial sector Key Responsibilities: Build...

- Proven experience in Kotlin . - Hands-on experience in at least two or three of the following: - API development - SQL / databases - HTML / JavaScript - Familiarity with collaboration tools: Bitbucket, Jira, Confluence . - Strong troubleshooting, technical, and analytical skills. - Understanding of Microservices and Agile methodologies. - Excellent...

- Proven experience with modern identity orchestration platforms (Auth0 Actions, Okta Workflows, WorkOS, or SlashID) - Strong programming skills in Python, Go, or Node.js for API and microservice development - Experience designing and deploying cloud-native APIs (Cloud Run, Cloud Functions, GKE) - Deep understanding of event-driven architectures, Pub/Sub,...

- Proven experience as a Fullstack Engineer or similar role - Strong proficiency in both front-end and back-end development - Experience with JavaScript frameworks (React, Angular, Vue) - Knowledge of server-side languages (Java, Node.js, Python, Ruby) - Familiarity with databases (MySQL, PostgreSQL, MongoDB) - Excellent problem-solving skills and attention...

We are seeking a Senior Full-stack Developer who thrives on building scalable, cloud-native applications. You'll bring deep expertise across Node.js, React or Angular, and AI integration to deliver intelligent, user-focused solutions. Please note that office work at least 3 days a week at the EPAM office in Krakow, Gdansk, Wroclaw, Katowice or Lodz is...

- Strong programming expertise in Python 3.x , including numpy and pandas . - Solid knowledge of Software Engineering principles , Object-Oriented Design , and design patterns. - Deep understanding of distributed systems , algorithms, and data structures. - Ability to work independently and make decisions on solution design. - Excellent written and spoken...

Strong experience in React.js and modern frontend development (JavaScript/TypeScript). Proficiency in HTML5, CSS3 , and responsive design principles. Familiarity with API integrations and asynchronous data handling. Experience working with UX design tools (e.g., Figma, Sketch, Adobe XD). Strong understanding of frontend development best practices and...

- Proven experience as a .NET Developer - Familiarity with .NET framework, MVC, and Web API - Strong understanding of object-oriented programming - Experience with front-end technologies (HTML, CSS, JavaScript) - Knowledge of SQL Server and other databases - Familiarity with Agile methodologies - Strong problem-solving skills and attention to detail -...

Experience: Proven experience as a Frontend Developer or in a similar role. Technical Skills: Proficiency in HTML, CSS, JavaScript , and modern frameworks such as React, Angular, or Vue.js . Experience with responsive and adaptive design principles. Strong understanding of web development best practices and performance optimization. Familiarity with version...

- Proven back-end development experience in Java - Strong hands-on expertise with Spring Boot and build tools (e.g., Maven) - Solid knowledge of API architecture and integration patterns (REST, GraphQL, SOAP) - Experience with common API tools like Postman, Swagger/OpenAPI, SoapUI - Familiar with data formats ( JSON, XML ) and backend fundamentals (caching,...

Proven experience in Kotlin . Hands-on experience in at least two or three of the following: API development SQL / databases HTML / JavaScript Familiarity with collaboration tools: Bitbucket, Jira, Confluence . Strong troubleshooting, technical, and analytical skills. Understanding of Microservices and Agile methodologies. Excellent interpersonal skills and...