2297 backend developer English-speaking jobs in Kraków

We’re looking for a skilled and proactive Senior Full Stack Developer with strong expertise in Java and ... , you'll take part in designing and building scalable web applications end to end - from robust backend ... requirements: 2–3 days per week from the Warsaw office Strong knowledge and hands-on experience in backend

For our client we are looking for Backend Developer Java Golang. ... development processes and standards Required skills Software engineering skills in Golang and Java for backend

Senior Fullstack Developer - Freelancer SKILLS: Node.js | Angular | Auth0 | B2B: PLN 140 - 160 / Hour ... Expert proficiency in Node.js for building scalable backend services (RESTful APIs). ... Roadmap to Your Professional Success Scope of responsibilities: Design, build, and maintain scalable backend ... microservices to support frontend and mobile applications Ensure high performance and responsiveness of backend

Ruby on Rails Developer | Remote (Europe) Join to apply for the Sr. ... Experience designing and scaling backend systems (microservices, APIs, background jobs). ... Ruby on Rails Developer | Remote (Europe) role at Koinly At Koinly, your Ruby on Rails work will push ... Backend services end-to-end: design, build, refactor, optimize Performance: query tuning, caching, background

kubernetes familiarity with agile/scrum practices communicative and collaborative mindset senior java developer ... contributing to product roadmap delivery You can be the perfect match for us, if you have: regular java developer ... 3 years of experience in backend development with java good knowledge of rest apis and microservices ... You Miquido = design, develop, and optimize backend services in java work with postgres/google spanner ... 7 years of backend experience, including 3 with java deep understanding of high-load, high-uptime production

6+ years of experience in backend development, with a strong focus on Node.js & TypeScript. ... ,[Develop, optimize, and maintain backend services and APIs that power our logistics platform., Design ... and implement scalable and high-performance solutions using Node.js and other modern backend technologies

We are looking for a Junior Java Developer to join our team supporting the development and maintenance ... We're seeking a Senior Java Developer to lead technical efforts on our internal CRM system. ... Basic understanding of backend frameworks (e.g., Spring, Hibernate). ... Strong command of Java 8–11 and modern backend frameworks (Spring, Hibernate, etc.). ... Key Responsibilities: Contribute to the development and maintenance of backend services in Java (version

Requirements: At least 3 years of commercial experience as Full Stack Software Developer Backend API ... Responsibilities: Support backend feature development and unit testing Assist in API development and ... integration with databases Collaborate with senior team members to deliver backend components Implement

Tech Lead – Backend About the RoleAre you passionate about building robust backend systems, mentoring ... skills to design, develop, and scale our backend systems. ... We're looking for a Tech Lead (Backend) with strong technical expertise and collaborative leadership ... Coupling/Cohesion, System Design, Scalability, Security, Observability What We're Looking ForStrong backend

This is a single-developer project , where you will work closely with the client's internal teams ... Position: Senior Backend Engineer (Java / Architecture) Contract: Freelance / B2B – Remote (EU Only) ... including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.We are looking for a Senior Backend ... on the project Refactor and modernize legacy backend systems Improve and extend existing microservices ... and laboratory stakeholders to clarify requirements, define scope, and improve existing backend processes

Job Opportunity: Senior UI Developer (React/Vue)Location:Cracow - hybrid model (2 days per week from ... the office)Type of contract:B2BEnglish:B2+Role OverviewWe're looking for an experienced Senior UI Developer ... ownership-driven mindset and ability to collaborate in a global setup.Nice to haveExposure to Java or SQL for backend ... delivery.ResponsibilitiesDevelop user interfaces using React or Vue, ensuring high performance and scalability.Collaborate with backend

Job Opportunity: Senior .NET Developer (C#)Location:Cracow - hybrid model (2 days per week from the office ... and business teams to align technical solutions with functional requirements.Take ownership of the backend ... existing internal tools into stable, cloud-ready solutions.ResponsibilitiesDesign, build, and maintain backend ... and access to Multisport card.Stable, long-term projects with full-time employment.If you're a C# developer

For a newly created team we are looking for a talented Full-stack Developer with significant backend ... Proven experience programming backend services. ... Responsibilities As a FullStack Developer, contribute to the full life cycle of our software solutions ... Your background At least 2-3 years of experience in multiple programming languages (frontend and backend ... Interest in practical software development on a modern cloud platform, spanning backend to IoT connectivity

We value product thinking, clean architecture, and developer autonomy. ... Collaborate cross‐functionally : Work closely with designers, product managers, and backend engineers ... frontend, you'll also collaborate closely with full-stack engineers and contribute to our Node.js backend ... Who you are A mid‐level or senior front‐end developer with 4+ years of professional experience. ... Contribute to developer culture : Share knowledge, give thoughtful code reviews, and participate in shaping

Architects, Product Owners, Developers, DevOps engineers, and QA Automation Engineers to build scalable backend ... We are looking for a motivated .NET Developer to join our cross-functional team and contribute to the ... practices Required Skills Professional level:2+ years' experience- Mid or 5 years+ -Senior, as a Developer

A mid-level or senior front-end developer with 6+ years of professional experience. ... We're looking for a mid/senior lever Frontend Developer who can join one of our newest teams. ... Work closely with designers, product managers, and backend engineers to scope, implement, and iterate ... frontend, you'll also collaborate closely with with full-stack engineers and contribute to our Node.js backend

Software Engineer, Fullstack/Backend (Poland Remote) Turnitin is seeking a Fullstack/Backend Engineer ... with a strong focus on backend development, particularly in Java and serverless architectures, combined ... Qualifications 5+ years of experience in backend development with proficiency in Java and familiarity ... Responsibilities Make significant contributions in designing, developing, and optimizing scalable shared backend

Career Level: 08 CareerPosting Date: 15 Oct 2025Full-Stack Software Developer (PHP, JavaScript, )Hybrid ... technology is used by thousands of businesses across the UK and beyond.We're now looking for a mid-level developer ... If you enjoy building scalable APIs, clean UIs, and efficient backend systems — and want to be part of ... /CRM platforms)Review code, participate in testing, and help resolve bugsOptimise MySQL queries and backend ... a product-led team — this role is for you.Your RoleBuild and maintain backend services and APIs in PHPDevelop

Frontend .NET Developer with AI We are seeking a strong Frontend .NET Developer with AI to join our AI ... Work closely with backend developers on API integrations, AI workflows, and backend logic. ... You will collaborate closely with backend developers and AI specialists to shape user‐centric software

Senior Front End Developer Join to apply for the Senior Front End Developer role at Jacobs . ... Experience with Python, C#, or C++ for backend or plugin interoperability. ... We are currently seeking a front‐end developer to join our Digital Twin Product Team, contributing to ... Coordinate with backend and connector teams to integrate APIs, data pipelines, and microservices. ... Participate in agile sprint planning and cross‐functional collaboration with design, backend, and AI