3159 backend developer English-speaking jobs in Warsaw

implementation through to delivery and optimisation.Key Responsibilities:Lead the design and development of backend

website, that are being done manually through Adobe Authoring.ResponsibilitiesDevelopment of new UI/backend ... proficiency inJava 11+ , Spring Bootexperience is an advantage-Python3, Fast APISolid understanding of backend

Qualifications BSc or MSc in software engineering or computer science 5 years of proven track record as a strong backend ... Join Foss Warsaw team as a C# Cloud Developer in Foss Software Services – and be part of creating world ... developer in C#/.NET environment Solid experience with client/server development or similar architectures

Daily releases via feature flagsResponsibilitiesDesign, develop, and maintain scalable finance-focused backend ... peer reviews, refinements, and continuous feedback loops across a multi-disciplinary teamMaintain a developer-first

PyTorch, Scikit-learn, or Hugging Face Transformers.Experience with scalable ML infrastructure and backend ... engineering, with hands-on expertise deploying models in production environments.Expert-level Python developer

international company in the banking sector, we are looking for candidates for the position of Fullstack Developer ... experience with Angular in developing modern web applicationsMinimum 8+ years of experience with Java in backend

We’re looking for an Oracle PL/SQL Developer to enhance an innovative healthcare platform with virtual ... Responsibilities Implement new backend capabilities that directly improve patient care and healthcare

Weare looking for aPHP Developer tojoin our cutting-edge development team asitgrows. ... Responsibilities: Develop and maintain backend features using Symfony orLaravel within amodular monolith

About the job Backend Engineer & Senior Data PipelineWere looking for a Senior Data Pipeline Engineer ... Airflow DAGs, modern data ingestion tools (Airbyte, Fivetran, custom connectors), ETL/ELT pipelines, and backend ... powers Autoplays session analysis system.Youll work across ingestion, transformation, augmentation, and backend ... from ingestion augmentation storage.Ideal ProfileRequired Experience5+ years in data engineering or backend ... constraints).Introduce automatic retries, dead-letter queues, and backpressure strategies.Build and optimize backend

We’re seeking an exceptional Staff Backend Engineer to join our cross‑functional product team in Warsaw ... Part 2: Video call/In‑person technical stage with Head of Data Engineering + 1 Backend Engineer – Up ... Your Impact as a Staff Backend Engineer Are you ready to make a significant impact in a fast‑paced, autonomous

Senior Backend Engineer Tabby is a fast‑growing FinTech company reshaping how people shop, earn and save ... We’re looking for a Senior Backend Engineer to help build an internal AI agent platform that powers automated ... Key Responsibilities Design and develop backend services in Golang and Python for the AI agent platform ... Skills, Knowledge & Expertise 2+ years with Golang and 2+ years with Python; 5+ years total backend

Senior Backend Engineer - PHP/Symfony Ready to architect scalable systems? ... We’re looking for a Senior Backend Engineer with deep PHP expertise to lead the design and implementation ... PLN75.00/hr - PLN110.00/hr What You'll Do Core Responsibilities Design and develop robust PHP backend ... architecture decisions that shape how we build Conduct code reviews that elevate team standards Bridge backend

and make it accessible to partners Identify and create infrastructure to enhance app scalability and developer ... encompasses ownership of both the client-side (Android or Angular web-app) and the specialized “mobile backend

from scratch" you focus on product development agile scrum Team members technical leader big data developer ... Experience with backend frameworks (e.g., FastAPI) and databases (SQL/NoSQL). ... Python, LLMs) Miejsce pracy: Warszawa Technologies we use Expected Python Docker Git LLM GenerativeAI Backend ... If you’re comfortable with backend development and have a keen interest in data science and frontend ... Build and enhance backend components for advanced AI systems using Python and frameworks like FastAPI

Ensure every interaction feels smooth, stable, and trustworthy.Improve developer experience. ... Work closely with backend engineers, designers, and product managers to co-create solutions, define APIs

efficient financial solutions.ResponsibilitiesDesign, develop, and maintain both frontend (Angular) and backend

You have minimum 3 years of professional experience in C# backend development You know the technologies ... Our Team: Join our Fixed income, Forex and Credit (FFC) teams as a C# Developer and contribute to the ... and eagerly share knowledge Our Team: Join our Fixed income, Forex and Credit (FFC) teams as a C# Developer

developer technical leader automated test programmer manual tester project manager This is how we work ... services Team building for our Engineering hub in Poland, Warsaw Our requirements 7 years experience in backend ... solutions applied you have influence on the product you focus on product development agile Team members backend

effectively in a distributed, remote-first teamBonus PointsExperience building dashboards, data-heavy UIs, or developer-facing ... and TypeScript, with a strong focus on usability, performance, and maintainability.Collaborate with backend ... frontend patterns.Comfort working across the stack , APIs, cloud services), with interest in expanding backend

Spark developer, your mission will be to develop, test and deploy the technical and functional specifications ... we use Unit Tests with Quality tests, Automation and Pull Requests review.WHAT YOU WILL BE DOINGAs a Backend ... preferable in banking)·Experience with Integration Solutions (using API and Microservices)·Programming backend