1065 backend developer English-speaking jobs in Warsaw

Data Technical Specialist Developer will define and implement new technologies to support XVA calculation processes. Responsibilities include development, certification, and productive release of technical solutions. Requires 5+ years of experience in CIB Markets area projects, Trading Desk & Risk metrics, and advanced technical knowledge in Java, Python, Kafka, Kinesis, Spark SQL, and Delta Lake.

Design and develop end-to-end data pipelines using Python, PySpark, and SQL. Build and maintain data ingestion frameworks and develop scalable data models within the Palantir Foundry ecosystem.

THE WORK As a Junior/Mid MES Developer specializing in DELMIA Apriso, you will: • Participate in implementing

Experience building backend systems or APIs to support mobile applications or artificial intelligence

Experience with backend development and/or frontend frameworks such as React.js.

contribute to team knowledge-sharing and Cloudfide’s engineering cultureKey responsibilitiesDeliver scalable backend

Other than that we look for experience with Nest.js (backend), Next.js (frontend), React Native (mobile

As a Lead Developer, you will collaborate with cross‑functional teams to ensure best practices, code

Preferred Industry Certifications: Azure Data Engineer Databricks Certified Data Engineer Spark Developer

What youll bring Senior product owner who owns outcomes (not a junior PO or a repackaged mid-level developer

data services and pipelines that support research, trading, and AI projects across the firm Ensure backend

platform for bringing Gemini models to enterprise customers.ResponsibilitiesDesign and implement best developer

You love to: Solve complex systems problems across infrastructure, reliability, and developer productivity ... cloud‑native infrastructure, including Kubernetes environments Experience supporting large‑scale cloud, developer

talent across cloud infrastructure, distributed systems, platform engineering, networking, storage, developer

Overview This high-visibility position, reporting into the Senior Shopify Developer / Tech Lead for North

You need: At least 4 years of commercial experience as a Salesforce Developer,A minimum of 1 year of

Programming experience in Python (relatively simple Python, not as strong as a developer) Exposure and

improvements and support Practical experience in modern end-to-end projects beyond AI/ML - frontend, backend

regressionsDebug AI systems across the entire stack—from model behaviour and prompts to orchestration, backend

freelance)Your future role:Supporting application build, integration, and deployment activities for both backend