577 backend developer English-speaking jobs in Kraków

Senior Back-end Developer – DatabaseWe are looking for a Senior Back-end Developer with strong experience ... in database technologies and data-intensive backend environments.Requirements:Minimum 6 years of professional ... experience working with backend/database technologiesStrong hands-on experience with:MongoDBPostgreSQLVirtuoso

These are signs of fraud.Java Backend Developer with Strong Azure ExperienceRole summaryWe are looking ... for a Backend Engineer to design, develop, and continuously improve intelligent digital products and

Developing the backend and mathematical models for Game in the Box solutions, including implementation ... to detect irregularities and proposing corrective solutions.Qualifications:2–3 years of commercial backend ... Genuine passion for games and commitment to delivering high‑quality softwareNice to have:Experience with backend

Qualifications 2–3 years of commercial backend development experience (e.g. ... Job Description Developing the backend and mathematical models for Game in the Box solutions, including ... passion for games and commitment to delivering high‑quality software Nice to have Experience with backend

You will need to be an expert in backend development with a thorough understanding of the technologies ... Strong backend skills where you can demonstrate your ability to apply these technologies, as well as ... Responsibilities Designing, writing, testing functionalities for a backend system written in TypeScript ... Deploying and maintaining microservices in AWS using Terraform Design software architecture between backend ... that you develop Required Qualifications 5+ years of production software development experience in backend

Java Backend DeveloperKrakow, Poland (Hybrid, 2-3 days in a week)6 Months contract with possible extensionThe ... toolings with the purpose of automating and optimizing engineering deliverablesRole DescriptionJava Backend

Practical knowledge of CI/CD and developer process automation. ... for the development, integration, and maintenance of modern backend solutions. ... for the development, integration, and maintenance of modern backend solutions. ... We are looking for an experienced Senior Java Fullstack Developer to join our team and be responsible ... , automation, and the development of modern backend solutions — we look forward to your application!

Responsibilities Design, develop, and maintain backend applications. ... Practical knowledge of CI/CD and developer process automation. ... for the development, integration, and maintenance of modern backend solutions. ... We are looking for an experienced Senior Java Fullstack Developer to join our team and be responsible ... , automation, and the development of modern backend solutions — we look forward to your application!

We are looking for a Senior Java Developer with 7+ years of experience to join our high-performing team ... opportunity to take part in building the technology behind global travel experiences.As a Senior Java Developer ... developing modern, large-scale backend systems for the travel and transportation industry.If you have ... , you will lead a team to design, implement, and optimize backend services and APIs that power mission-critical ... documentationSupport SRE in our effort to evolve CI/CD processes and stability7-9 years of experience in backend

Cross-platform C++ - Multipass(VKS) Software Engineer (Java & NodeJS/TypeScript)Python Backend Developer ... Software Engineer II- Backend Focused (Viator)Join to apply for the Software Engineer II- Backend Focused ... This is a backend focused full-stack position in which you will be working mostly on the backend with ... (Angular) – Remote @ ViaBillSenior Full Stack Developer (Remote, Contract)Junior Software Engineer - ... (Cyber Security)Freelance Software Developer (Java) - AI TrainerSoftware Engineer - Solutions EngineeringWe

About the Role We're seeking a Full Stack Developer to join our product team and contribute across backend ... What You'll Do Backend Development Build and evolve backend applications in .NET 10 and C# 14 Design

developer-first design. ... They combine deep backend scalability engineering with a heavy emphasis on intuitive product UI/UX and ... Backend Proficiency: Strong experience with Ruby on Rails (or deep expertise in Node.js with a fast learning ... API Ecosystems: Proven track record of shipping scale-ready, public-facing APIs optimized for developer ... High-Throughput APIs: Design and optimize public-facing APIs with a focus on developer ergonomics, efficiency

AWS Bedrock) into backend services and developer workflows to enable smarter automation and new product ... Copilot, internal agents) to improve developer productivity and reduce delivery cycle timeDefine guardrails ... We are seeking a skilled and motivated Backend Engineer to join our IoT Platform team. ... This role is critical to delivering the new initiatives, focusing on scalable backend services that support ... Day to DayWork closely with architects to translate solution designs into scalable and maintainable backend

experience (Backend) Must have experience with TDD or BDD In return for your commitment our client ... Java Developer Krakow As a Java Developer You must have: Experience with Java 8 Server-side development ... who is looking to recruit a Java Developer. ... Java Developer We are delighted to present this opportunity for our global financial services client,

Developer role is aimed at enhancing and modernizing backend services and pipelines within the organization ... Main Responsibilities: Modernise backend services and pipelines by upgrading to the latest JDK, Scala ... 27th July 2026 Assignment type: B2B Remuneration: up to 200 PLN/h net VAT FTE: full-time Summary: The Backend ... Migrate authentication frameworks from legacy APIs to OAuth-based solutions across various backend services

user interfaces in Vue.js, while leveraging your .NET background to build and integrate supporting backend ... from Scratch: Help design and develop a greenfield retail dashboard application using C# / .NET on the backend ... We are looking for a strong Regular Fullstack Developer (Vue.js + .Net) to join us on a freelance basis ... What we’re looking for Commercial Experience: 3+ years of hands‑on experience as a Fullstack Developer ... will be part of a focused, self-sufficient two-person engineering team (working alongside a Senior Developer

Open-source contributions in the agent or developer-tooling ecosystem. ... About you 10+ years building and operating production APIs, SDKs and Backend systems and at scale. ... Work across a polyglot backend — Node.js/TypeScript for the agent tooling layer, with Ruby/Rails and ... We're a small, fast, high-ownership team, and we're looking for a Senior Backend Engineer to make Cloudinary ... Experience building SDKs, CLIs, or developer tools that other engineers depend on.

WHAT YOU WILL DO Continue the development and extension of the internal developer portal and dashboard ... are looking for a Senior Full Stack Engineer to continue the development and extension of an internal developer ... Work heavily on a custom Java backend to ensure robust server-side performance. ... MUST HAVES At least 4+ years of experience in backend development using Java. ... portal and dashboard, working heavily on a custom Java backend while maintaining and potentially rewriting

As a Senior Backend Developer, you will be working for our client, a leading financial institution, on ... You're ideal for this role if you have: At least 5 years of backend development experience.Strong expertise

engineering practices, automation, and continuous improvement.Responsibilities:Design, develop, and maintain backend