8457 backend developer English-speaking jobs in Poland

  • Avenga
  • Katowice
  • March 14
In this role, you won't just be writing code; you will be the architectural anchor for a backend ... Architectural Ownership: Take responsibility for the backend architecture of ICS core components and ... Language: Englis on a business level This is your role Technical Leadership: Lead and mentor a backend
  • Tripadvisor
  • Poland
  • March 7
This is a backend focused full-stack position in which you will be working mostly on the backend with ... code at every level – while the focus is app development, you’ll also have opportunities to work on backend
  • Pragmatike
  • Kraków
  • March 29
Optimize backend systems for performance, reliability, security, and fault tolerance. ... Required Qualifications 5–6+ years of experience as a Senior or Lead Backend Engineer. ... We are seeking a Senior / Lead Backend Engineer (Staff-level mindset) with strong expertise in Go and ... Conduct thorough code reviews, mentor other engineers, and raise overall backend engineering quality. ... You will play a key role in designing and evolving the backend foundations of a decentralized cloud platform
  • IN Groupe
  • Łódź
  • March 28
A key focus is maintaining and expanding our backend‑focused test automation setup, including API and ... You will own the end‑to‑end testing process across frontend and backend, from test basis identification ... Testing backend components across multiple environments, ensuring data integrity and reliable service ... Validating protocol flows, authentication logic, cryptographic operations, and backend configuration ... execution progress Maintaining, improving, and expanding our test automation setup, with a focus on backend
  • 12Go Asia
  • Poland
  • March 22
Backend Systems -Develop and maintain backend services and APIs powering the 12Go platform, including ... You will work on backend services, frontend applications, and platform integrations, helping deliver ... This role is designed for engineers who are strong in either frontend or backend development, with the ... Responsibilities: Product Development -Build product features across backend APIs, frontend interfaces ... Requirements -5+ years of professional experience in full stack development on either frontend or backend
  • Dev.Pro
  • Wroclaw
  • March 22
Design, build, and maintain high-loaded backend systems and APIs using Node.js and AWS Develop new backend ... 4+ years of commercial backend development experience with deep expertise in Node.js and TypeScript in ... What's in it for you: Collaborate on a high-load, technically challenging backend project, expanding ... MongoDB Proven experience designing, building, and maintaining RESTful APIs Strong understanding of backend ... define requirements and deliver bullet-proof solutions Contribute to the continuous improvement of backend
  • Explore Group
  • Warszawa
  • March 23
About the Role As a Full Stack Java Engineer, you will be responsible for building and enhancing both backend ... You will play an active role in the full development lifecycle, from designing APIs and implementing backend ... such as: Asynchronous or event-driven processing Concurrency and multithreaded application design Backend ... experience building full-stack applications using Java and React Strong hands-on experience developing backend ... applications using Java, Spring Boot, and React Designing and implementing RESTful APIs Building scalable backend
  • N-iX
  • Wrocław
  • March 20
Nice to have Experience with Golang as an additional backend language. ... In this role, you will design and implement scalable, high-performance backend services and APIs in Java ... About the role We are looking for a Senior Java Backend Engineer to join a cross-functional team building ... Design, develop, deploy, and maintain production-ready backend APIs and microservices in Java, targeting ... Required skills and experience 5 years of professional backend software development experience with Java
  • ASBIS
  • Warszawa
  • March 14
Develop backend microservices (Python/Go) for more complex logic. ... Improve workflow performance and migrate heavy flows into backend services. ... We are looking for Automation & Integration Engineer (n8n / Backend) About the position We are building ... Skills and qualifications n8n, Python/Go, REST APIs, Docker 3+ years of backend development or system ... We’re looking for an experienced engineer who will own workflow automation using n8n, build backend services
  • Nord Security
  • Wrocław
  • March 19
Previous experience in working with K8s and microservice architecture Previous experience as a fullstack developer ... the stack when needed Focus on user and business outcomes, not output Core Requirements 5+ years of backend ... enforce AI-assisted code security and quality standards for agent-generated features Tools You Will Use Backend
  • Infotree Global Solutions
  • Poland
  • March 22
Logobackend architectures. ... Stack: Python and FastAPI for backend development, along with experience in designing and implementing ... Team structure: The role involves collaborating with cross-functional teams, including backend, frontend
  • Fireblocks
  • Warszawa
  • March 23
and secure frontend-backend integration across various devices (desktop, mobile, tablet). ... Collaborate with backend teams on defining and consuming efficient APIs (REST/GraphQL), ensuring seamless ... Bachelor of Science (B.Sc.) or equivalent degree/experience Experience with backend for frontend services ... Frontend Engineer in the Assets team, you’ll design and develop robust React front end applications and backend
  • OpenRouter
  • Poland
  • March 23
You are a developer first. ... The Role We’re looking for a Developer Relations Lead to become the trusted voice of developer education ... Developer Advocacy: Synthesize developer feedback into actionable insights for product and engineering ... What You’ll Do Developer Education: Define and execute OpenRouter’s developer education strategy across ... What We’re Looking For 5+ years of experience in developer relations, developer education, or a closely
  • instinctools EE Labs
  • Warszawa
  • March 14
or Full‑Stack development (with a strong backend focus) Strong proficiency in Nest.js, TypeScript, ... robust, scalable, and high-performance web applications using React and Nest.js Architect scalable backend ... Nest.js constructs: Guards, Interceptors, Pipes, Filters, Providers, and Custom Decorators Optimize backend ... building, and deployment Write comprehensive tests across the stack: unit and integration tests for backend ... for developers Our expectations of the ideal candidate: 7+ years of professional experience in Backend
  • N-iX
  • Kraków
  • March 20
As a Data Engineer , you will design, build, and maintain high-performance backend services and data ... Services & Infrastructure Design, build, and maintain backend services in Go Work with PostgreSQL and ... automate and scale model pipelines Ensure pipelines are reproducible, maintainable, and observable Backend ... tools Familiarity with stakeholder management and brief, concise communication Technology Stack: Core Backend ... best practices Familiarity with resiliency patterns (retries, circuit breakers) Experience integrating backend
  • Salve.Inno Consulting
  • Poland
  • March 25
Engineer (mid-senior level) who will work across several internal services at the same time, shaping backend ... Key Responsibilities: Build and maintain backend services and APIs in Java Work across multiple microservices
  • PowerToFly
  • Kraków
  • March 25
This role focuses on backend systems responsible for usage metering, telemetry transfer, and aggregation ... Strong understanding of backend systems and the software development lifecycle, including how services
  • B. Braun Group
  • Poznań
  • March 23
Duties and responsibilities: Act as administrator and backend specialist in the process mining tool
  • Seargin
  • Katowice
  • March 23
integration flows.RequirementsWeb Development StackProject uses Angular, HTML/CSS, TypeScript, and backend ... functionality of web components built with Angular, HTML/CSS, and TypeScript.Backend Logic VerificationTest backend
  • SportAlliance
  • Poland
  • March 23
Your profile 5+ years in backend (Java) or full‑stack engineering. ... We are looking for a Senior Backend Engineer to join our AI speedboat team at Sport Alliance.
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