React js jobs in Poland

 ...Responsibilities: Develop and maintain scalable frontend applications using React 19 and TypeScript . Build and optimize applications within a...  ...(strict mode) and modern JavaScript. Solid knowledge of Node.js and React . Experience working with Turbo monorepos and... 

 ...maps out robust application features fluidly natively using Node.js paradigms, evaluates web performance boundaries cleanly natively...  ...heavily unit-tested source code natively leveraging TypeScript, React, HTML5, and relevant modern software frameworks. Web Performance... 

 ...~5+ years of experience in full-stack development with a strong focus on backend. ~ Deep expertise in TypeScript, Node.js, Next.js, and React . ~ Experience with AWS Serverless , distributed computing, and big data architectures. ~ Strong SQL skills (Postgres... 

 ...Architecture & Development Architect full-stack applications with Shopify as the backend and modern front-end frameworks (Next.js, Remix, React, etc.) in a headless configuration. Lead the development of scalable, modular, and high-performance Shopify applications,... 

 ...of senior full-stack developers and coordinate technical execution across projects Build scalable full-stack features using Next.js, React, TypeScript, Prisma, and PostgreSQL Use Cursor IDE and AI coding assistants to accelerate development workflows and productivity Architect... 

 ...from time to time. What you should have ~ Strong technical skills that allow you to read, write and debug code ( Javascript/Node.js preferred). ~5+ years experience in a Solutions Engineering, Sales Engineering, a Customer Solutions or a Forward Deployed... 

 ...(e.g., Splunk, New Relic, CloudWatch, Prometheus, Grafana, Kibana, Sentry). Hands-on programming capacity with JavaScript, Node.js, and TypeScript inside Linux/Mac environments. Solid background in Linux Systems Engineering and sustainable incident response patterns... 

 ...cohesive stack that lets us move fast while maintaining quality: Language: TypeScript Frontend: React , Tailwind CSS , tRPC Backend: tRPC , Node.js , MongoDB , Temporal Infrastructure: GCP , Terraform Cloud , Kubernetes , Docker ,... 

 ...senior full-stack developers and coordinate technical execution across projects Build scalable full-stack features using Next.js, React, TypeScript, Prisma, and PostgreSQL Use Cursor IDE and AI coding assistants to accelerate development workflows and productivity... 

 ...retries, idempotency) testing and debugging Professional experience with at least one modern backend ecosystem such as Python, Node.js, Go, Java, .NET, PHP, or similar . Ability to quickly learn new technologies and become productive in unfamiliar codebases.... 

 ...solutions, analyze failures, and refine until the evaluation is fair and robust Core stack: Python (FastAPI), JavaScript/TypeScript (React), Docker, Postgres, Kafka, Redis Frontier models are already good at coding. Creating a task that genuinely challenges the best... 

 ...product systems Contribute to a product experience where AI feels proactive, consistent, and dependable over time Tech Stack Next.js Python NodeJs Pytorch OpenAI / Anthropic / open-source LLMs SQL & noSQL Kubernetes Docker How We Work The... 

 ...of 3+ years of proven, successful professional software engineering history operating as a Backend Developer, Systems Engineer, Node.js/Python Specialist, API Integration Architect, or closely matching technical capacity inside production environments. Expert Backend... 

 ...enables multiple users to edit graph data and re-train AI models through their input. Creating libraries and building APIs in our Node.js backend to interact with the various ML components of the system. Diagnosing fault-tolerance and availability issues, as well as... 

 ...AI-driven architectures (agentic systems engineering), including MCP tooling and RAG pipelines for enterprise. Experience with React and TypeScript as a secondary stack. Experience working within enterprise environments and multi-team governance processes.... 

 ...reputation. The pieces talk to each other, and the threat intelligence they generate at scale powers detection across the stack. Node.js is the segment of the hosting market growing fastest, and the next layer we want to build for it is runtime protection inside the... 

 ...search / Discovery & insights /Company profiles / Workflow & efficiency / Many more. Our Tech Stack & Focus Areas Java , Spring, React , Typescript, Apache Beam, Flink, LangGraph, GCP/AWS, K8s Work Environment Flexible schedule with participation in team... 

 ...reputation. The pieces talk to each other, and the threat intelligence they generate at scale powers detection across the stack. Node.js is the segment of the hosting market growing fastest, and the next layer we want to build for it is runtime protection inside the... 

Softeta is an IT solutions provider based in Vilnius, Lithuania. With over 90 professionals located across Lithuania and Poland, we support companies in overcoming complex IT challenges through tailor-made software development and data-driven solutions. Softeta is looking...

As a Mobile Architect (POS-Terminal) at Moniepoint, you will be responsible for designing and leading the architecture of our POS terminal solutions across multiple platforms. You will ensure the scalability, security, performance, and reliability of our POS systems and...

The Collections team, as part of the Repayments area, is on a mission to build a robust platform that will maximize the recovery of delinquent users by sending the right message to the right people at the right time, while monitoring and detecting problems and ensuring...

The Fraud Engineering organization builds the foundational and tactical software that enables Affirm to respond strategically to fraud - both in real time and after the transaction. Our mission is to support business growth while protecting Affirm, our customers, and our...

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Repayment Scheduling engineering team is growing rapidly, and we're looking for a Senior ...

Dropbox is looking for a Data Engineer to join our Analytics Data Engineering (ADE) team within Data Science & AI Platform. In this role you will build large, scalable analytics pipelines using modern data technologies. This is not a “maintain existing platform” or “make...

At Zowie, we build AI agents that handle millions of real conversations every month, for brands like InPost, Empik, Decathlon, and Allianz. They track packages, sort out claims, and actually resolve the issues people bring them. We're changing how people interact with ...

 ..., Docker, or Kubernetes environments. ~ Familiarity with foundational API test automation concepts, script writing (via Python or JS/TS), and monitoring dashboards (such as **Grafana**). ~ Location Context: 100% remote-first full-time operational framework restricted... 

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a professional .NET Software Developer to join our UniQue Warsaw, Poland team. What will you be bringing to the team? Design and develops ...

Role: SAP EWM - Project Manager Location: Remote across Europe - (EU Citizens Only) Start Date: 17th August 2026 Duration: 12 months with strong possibility of extensionTravel: Occasional travel required for workshops and go-live activities Language: ...

As a Mobile Architect (POS-Terminal) at Moniepoint, you will be responsible for designing and leading the architecture of our POS terminal solutions across multiple platforms. You will ensure the scalability, security, performance, and reliability of our POS systems and...

Symphony Solutions is a Cloud and AI-driven IT company headquartered in the Netherlands. We are a premier software provider of custom iGaming, Healthcare, and Airline solutions. Devoted to delivering the highest quality of service, we offer our expertise in full-cycle ...