React jobs in Poland

 ...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/RDBMS)... 

 ...Studio (custom skills & copilot extensions) LangGraph on BTP (multi-step agentic workflows) Agentic patterns (tool calling, ReAct, human-in-the-loop) AI observability (token tracking, hallucination detection via AI Launchpad / MLflow) SAP Platform... 

 ...Delivery Excellence: Write clean, maintainable, self-documenting, and heavily unit-tested source code natively leveraging TypeScript, React, HTML5, and relevant modern software frameworks. Web Performance Optimization: Champion performance best-practices across the... 

 ...professional software engineering experience. ~ Strong backend expertise in Node.js (TypeScript). ~ Solid frontend experience with React. ~ Experience in architectural or technical leadership roles (Tech Lead / Architect / Staff-level). ~ Demonstrated hands-on... 

 ...Kraken. We build the interfaces people actually use to buy, sell, manage their portfolio, and interact with their assets. Our stack is React on web and React Native on mobile, and we ship fast, measure everything, and iterate based on real user behaviour. We work agile,... 

About Cribl: Cribl is building the telemetry infrastructure for the AI era, partnering with IT and Security teams at many of the world’s biggest enterprises—including half of the Fortune 100. As the AI Platform for Telemetry, we give customers the choice, control, and...

About Teneo School: Teneo School is a premier global educational technology innovator on an ambitious mission to rebuild the future of digital learning. We build a highly scalable, comprehensive suite of AI-enabled products, personalized learning matrices, and adaptive...

About Nethermind Nethermind is a blockchain research and software engineering company building high-performance infrastructure, security tooling, and cryptographic systems across the Ethereum ecosystem and beyond. We work closely with protocol teams, L2s, and ZK projects...

Altoros - a leading IT services provider is looking for a Senior Python Developer. Responsibilities: Lead incident response (primary), ensuring timely triage and resolution within agreed SLAs Perform root cause analysis (RCA) Investigate and fix backend bugs in...

About Innovecs: Innovecs is a premier, globally recognized digital services and enterprise software development outsourcing company with an established operational footprint across the United States, United Kingdom, European Union, Israel, Australia, and Ukraine. Celebrated...

Who are we? Equinix is the world’s digital infrastructure company®, shortening the path to connectivity to enable the innovations that enrich our work, life and planet.  A place where tech thinkers and future builders turn bold ideas into breakthrough experiences...

About AI Acquisition: AI Acquisition (aiacquisition.com) is a premier, internationally recognized AI product incubator, growth marketing tech developer, and elite automated systems provider operating on a relentless mission to build, test, and ship highly autonomous enterprise...

About Oversee: Oversee is a premier, internationally recognized corporate travel technology pioneer, machine learning innovator, and enterprise SaaS trailblazer on an absolute mission to completely reshape how multinational travel spending is managed, optimized, and audited...

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...

About MMDSmart: Since 2007, MMDSmart has been an industry-leading global pioneer in cloud communications, delivering game-changing smart messaging, B2B interaction channels, and enterprise voice solutions to businesses across more than 100 countries. Our platform empowers...

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 ...

About Bnberry: Bnberry is a premier, internationally recognized travel technology pioneer, e-commerce hospitality innovator, and distribution channel management leader on an absolute mission to engineer next-generation software platforms for the global lodging and property...

InPost has revolutionised e-commerce parcel delivery in Poland and is now one of Europe’s leading out-of-home (OOH) e-commerce enablement platforms. Founded in 1999 by Rafał Brzoska. InPost provides delivery services through a network of over 64,000 Automated Parcel Machines...

About Nethermind Nethermind is a blockchain research and software engineering company building high-performance infrastructure, security tooling, and cryptographic systems across the Ethereum ecosystem and beyond. We work closely with protocol teams, L2s, and ZK projects...

About Primer: Primer is a premier, globally distributed financial technology pioneer building the unified automation infrastructure for international payments. By consolidating fragmented transaction flows, checkout funnels, and alternative provider networks into a single...

InPost Group is an innovative European out of home deliveries company, revolutionizing the way parcels are delivered to customers. With operations across several countries, our network of intelligent lockers provides customers with a fast, convenient, and secure delivery...

About Gcore: Gcore is a premier, internationally recognized web infrastructure giant, cloud computing titan, and global artificial intelligence enablement leader operating on an absolute mission to build, protect, and scale the invisible software and hardware foundations...

About Nethermind Nethermind is a blockchain research and software engineering company building high-performance infrastructure, security tooling, and cryptographic systems across the Ethereum ecosystem and beyond. We work closely with protocol teams, L2s, and ZK projects...

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 ...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions...

Facets Developer – C# and SQL for agile development for a Facets implementation role. This Developer position will participate in a team environment for the delivery and code for a Facets testing and implementation. Responsible for programming, debugging and testing of ...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions...

The exchange team develops and maintain a cutting-edge trading platform. With a global presence across APAC, EMEA and North America, the team has since grown with the goal to provide a seamless and secure trading experience for our clients. As a Senior Devops Engineer...