903 frontend developer English-speaking jobs in Warsaw

The Work As Salesforce Senior Developer/Tech lead you will be responsible for day‑to‑day management of ... mentoring, task delegation, enforcing coding standards and best practices Certifications — min. 2 (Platform Developer

Develop low-code PoCs and business solutions using Microsoft Power Platform, including Power Apps, Power Automate, and Power BI. Integrate solutions with SQL databases, APIs, and Microsoft 365. Requires fluent English and IT background.

environmentsKnowledge of CI/CD and Agile development practicesOpis ofertyWe are looking for a Senior Back-end Developer

Nice to have: Kotlin Multiplatform (KMP), Compose or SwiftUI; public/open-source design system work; developer

Senior/Principal Golang Developer to build scalable AdTech and cybersecurity solutions. Design and maintain high-performance backend services, optimizing distributed systems processing trillions of daily requests. Requires 5+ years of Golang experience.

About the roleWe are looking for a Senior Back-end Developer with strong experience in Docker and Kubernetes

Senior PL/SQL Developer needed for modernization projects. Requires 5+ years with Java 17+ and at least 1 year writing efficient Oracle PL/SQL. Knowledge of Linux basics is required.

Build and scale high-performance backend services and distributed systems. Take ownership of features using event-driven architectures, Kafka, and microservices within Kubernetes and cloud environments. Requires strong backend engineering experience in languages like Ruby, Elixir, TypeScript, or Go.

Deliver hands-on technical work and own architecture for cross-team initiatives. Requires deep experience building and integrating AI agents into engineering workflows while ensuring high-quality, scalable system delivery.

a training course or involvement in consultancy engagements.Requirement:We are looking for a DevOps/Developer

Design and implement complex Genesys Cloud contact center solutions. Configure, develop, and maintain advanced call flows, routing, and integrations. Provide second-level application support and manage related projects.

Overview Junior/ Mid C# Developer • Up to 16 000 PLN net / month • B2B contract • Fast-growing startup

We are looking for an experienced Senior React Native Developer to join our team and contribute to the

across the service catalogue Requirements: Strong experience as an IT Analyst, System Analyst, Service Developer

, the services and agents they build): you run IAM and Messaging as products, measured by adoption, developer ... on Be the primary point of contact for internal 'customers' integrating with IAM and Messaging — a developer‑facing ... time‑to‑first‑call for a new integration Reliability: SLAs/SLOs met for the owned services; incident trend Developer ... Platform Product Management or engineering leadership, a significant portion in technical, platform, or developer‑facing

If you're a Senior iOS Developer who knows BLE inside out and likes code that talks to physical things

Prepare implementation-ready designs and specifications and support developer handoff. ... Proficiency in Figma, including components, variables, prototyping, and developer handoff.

About MistralMistral provides full-stack AI solutions: from frontier models to developer tools, applications ... can run on their terms.About MistralMistral provides full-stack AI solutions: from frontier models to developer ... run GPU workloads on Kubernetes, or you are confident you can own that domain fast.You think like a developer

Deliver modern frontend experiences using React.

About the role As a Junior Java Developer you will: Analyse, understand business and technical requirements