Senior React Developer Poland

Develop and optimize large language models for business impact.

Integrate LLM-powered features into sports betting products.

Lead and mentor globally distributed SRE teams

Ensure infrastructure reliability and incident response

Lead and manage globally distributed SRE teams

Ensure high reliability and scalability of Wikimedia infrastructure

Lead and mentor SRE teams globally.

Ensure reliability of Wikimedia infrastructure.

Lead and mentor globally distributed SRE teams

Ensure reliability and scalability of Wikimedia infrastructure

Lead and mentor globally distributed SRE teams

Manage and optimize Wikimedia's production infrastructure

Develop scalable backend microservices

Enhance and maintain SaaS support platform

Design and scale robust data pipelines

Ensure high data quality and consistency

Enhance SEO performance and web vitals

Develop advanced merchandising tools

Secure and optimize AWS cloud infrastructure

Implement and enforce cloud security best practices

Develop and maintain Juju open-source Go project

Collaborate in a globally distributed, remote team

Develop scalable AI solutions for business challenges

Lead end-to-end lifecycle of AI projects

Design and maintain scalable data pipelines

Ensure high data quality and accuracy

Lead and develop the Flex Billing & Backend engineering team

Deliver scalable and reliable backend solutions for Flex

Lead and mentor engineering teams

Drive process and cultural excellence

Develop scalable backend solutions using Node.js and TypeScript

Collaborate with US-based clients and diverse teams

Design and develop scalable backend services

Build and optimize high-performance APIs and data pipelines

Ensure release quality for sports betting platform

Develop and maintain automated test frameworks

Develop scalable and efficient backend search infrastructure

Design and implement low-latency APIs for medical data retrieval

Design and optimize scalable backend services

Build and maintain high-performance data pipelines and APIs

Develop scalable backend microservices

Ensure high system stability and performance

Design and maintain scalable data pipelines

Ensure high data quality and governance

Support backend development for internal projects

Improve and expand data collection processes

Develop scalable web applications using React and Next.js

Collaborate in distributed, international Agile teams

Lead technical delivery of Angular frontend

Ensure compliance with financial regulations

Design and scale backend APIs and services

Integrate large language model (LLM) capabilities

Design and implement event-driven systems

Build scalable, real-time microservices

Develop and maintain cloud infrastructure using TypeScript

Optimize and scale systems for high performance and reliability

Lead frontend delivery for a banking risk management tool

Ensure technical excellence, scalability, and compliance

Lead architecture and design of Java applications

Ensure security, scalability, and performance of systems

Build and scale secure public safety platforms

Develop user-facing web applications and APIs

Build scalable AI-driven features

Deliver high-quality, maintainable code

Develop AI-powered document generation POC

Implement RAG for enhanced model accuracy

Develop and maintain AI-driven data products.

Advance social impact through technology.

Design and build scalable data pipelines

Ensure data quality and robust monitoring

Design and build scalable data pipelines

Ensure and monitor data quality

Develop and maintain scalable data pipelines

Ensure data quality, governance, and lineage

Design and develop scalable data pipelines

Enhance data quality, governance, and lineage

Design and scale ML infrastructure

Ensure reliability and availability of ML systems

Architect and deliver cloud infrastructure solutions

Lead migrations and modernization to GCP

Design and maintain scalable data pipelines

Ensure data quality, governance, and lineage

Develop scalable, high-performance backend systems

Design and maintain microservices architecture

Design and scale data infrastructure

Ensure data quality and governance

Develop backend solutions using Node.js and TypeScript

Collaborate with international clients and cross-functional teams

Develop full stack web applications using Node.js

Integrate and manage geospatial data with OpenStreetMap

Hire a remote SRE expert

Ensure reliability of Wikimedia projects

Hire remote Kubernetes experts

Manage and scale container infrastructure

Enhance and scale CI/CD platform

Develop and ship new platform features

Integrate LLMs and intelligent agents into SaaS products

Design and implement scalable, production-ready AI solutions

Automate security policy enforcement

Enhance vulnerability detection and response