3454 backend developer English-speaking jobs in Poland

requirements-expected : At least 4 years of experience as a Fullstack JavaScript/TypeScript Developer ... : React, Angular, or Vue (experience in building complex UI components) and practical experience in backend

with Typescript, Javascript, HTML5, and CSS (including CSS preprocessors).Experience with frontend and backend ... best-in-class applications that bring enormous impact to our clients.The RoleWe are looking for a Full Stack Developer

Your role as a Mid Developer requires quality‑engineering experience and the ability to be a natural ... mainly Scrum and Kanban) Advantages Experience with GCP, Kubernetes, Kafka Experience with popular backend

low latency and high availability—while expanding our portfolio to include advanced, developer-centric ... On this team, you will address the unique challenge of scaling a high-performance backend globally—prioritizing

Backend Engineer will build a new microservices system for eSim product, create features for personalization, A/B testing, and analytics, and mentor colleagues. Requires 4+ years Go experience, system design knowledge, and experience with K8s, microservices, SQL, NoSQL, and Kafka.

Join our Talent Pipeline and be considered for diverse tech projects, from AI to E-commerce. We build startups from the ground up and offer direct impact and a fast recruitment process.

which technology solves the problem and you are responsible for what you create.You will value our Developer ... From distributed systems and data streaming to algorithmic optimization, you'll tackle the complex backend ... Allegro ecosystem;Are open to developing soft skills and exploring a full-stack mindset by learning new backend

You will work across backend services and web applications, with a stronger focus on backend and platform

services and mobile appsDeploying and maintaining frontend / backend applicationsParticipating in sprint ... frontend system written in React & TypeScriptDesign frontend software architecture with connection to backend ... systems~ Computer Science degree~ AI Tooling usage~ Proficiency in English Nice to have:Exposure to backend

We're looking for a Senior Software Engineer to help us design, build, and optimize high-performance backend

The person in this role will work on both backend and frontend solutions (Java + Angular). ... Our expectations 5+ years of professional backend development experience Strong expertise in Java 17 ... Previous experience in enterprise-scale distributed systems Key tasks Develop and maintain scalable backend ... reviews, and technical mentoring Ensure application reliability, scalability, and maintainability across backend

Testing: Create and expand unit and integration tests for both frontend and backend code. ... The ideal candidate will have extensive experience working on cloud-hosted APIs, backend services, and

The role focuses on frontend experiences, backend APIs, document processing, retrieval systems, and structured ... and TypeScript for evidence review, workflow status, recommendations, and decision outputs.Developing backend ... asynchronous processing, job status, retries, partial success, and structured results.Connecting frontend, backend ... workflows.requirements-expected :5+ years of professional full stack engineering experience.Strong experience with Python and backend

The role focuses on frontend experiences, backend APIs, document processing, retrieval systems, and structured ... and TypeScript for evidence review, workflow status, recommendations, and decision outputs.Developing backend ... asynchronous processing, job status, retries, partial success, and structured results.Connecting frontend, backend ... workflows.requirements-expected :5+ years of professional full stack engineering experience.Strong experience with Python and backend

Job Description Mid-senior test automation engineer who can take ownership of quality for a complex, backend-heavy ... Solid API/backend testing skills with Pytest (fixtures, parametrization, assertions, test organization ... automation with Playwright (page objects, stable selectors, handling async/flakiness); UI is a plus, backend ... Level – 3 -4 years of Relevant Experience Mandatory Skills Strong Python for test automation Solid API/backend

As a core member of the team, you will solve interesting backend challenges while building distributed ... Develop scalable backend infrastructure that powers Voice AI experiences for thousands of customers. ... You have strong backend engineering fundamentals, understand network protocols, and can reason about ... You are comfortable with TypeScript, Python, Go, or similar backend languages, and you are curious enough ... Who You Are You are a pragmatic backend engineer who enjoys turning advanced machine learning capabilities

You’d be joining the backend/data engineering team. ... The Team The engineering team in Poland is structured around three areas: Data Science (2 people), Backend ... experimentation to production, with the Product Manager on scope and priorities, and with the broader backend ... from building and maintaining production pipelines to integrating new data sources and contributing to backend ... complete — you can fill the gaps yourself and flag the ones you can’t You can work across the DS ↔ backend

We're seeking a passionate Java developer to create innovative applications for Fixed Income Rates and

Requirements 5+ years backend software engineering experience. ... Design and build backend services and automation frameworks to extend IAM capabilities.

You will work with a modern microservices architecture, building scalable backend services using the ... This is a hands‑on engineering role with a 50/50 front‑/backend focus, ideal for someone who takes ownership