Web developer jobs in Poland

 ...decisions, tokenization rules, API authentication, and automated fallback logic. This role demands a seasoned distributed systems developer who can deal thoughtfully with inheritance code complexity, defend error paths aggressively, and independently drive hard problems... 

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 WearLinq: WearLinq is a groundbreaking healthcare startup emerging from Stanford University on a mission to democratize healthcare. We built an FDA-cleared 6-channel EKG wearable device and mobile app that bridges the gap between patients and providers to diagnose...

 ...and cloud primitives, commands technical mastery across modern web frameworks, and handles multi-tenant data consistency tradeoffs...  ...professional software engineering history operating as a Backend Developer, Systems Engineer, Node.js/Python Specialist, API Integration Architect... 

About A1 There are over 5 billion users using basic applications today such email, notes, tasks that are not AI-native. Our mission is to build a proactive smart assistant for everyday users to bring intelligence to conversations, errands, organising and workflows, with...

 ...editorial coverage and award-winning video segments like Honest Trailers. Fandom equips high-agency developers with an uncompromised software canvas to engineer highly interactive web elements, scale asynchronous messaging pipelines, and optimize rich multimedia playback... 

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...

 ...Join Checkly as a Senior Customer Solutions Engineer and empower developers and agents to own and ensure application performance and reliability - from pull request to post-mortem! Checkly is the active reliability layer for developers and agents. We unify testing,... 

 ...focused on elite engineering craftsmanship. Position Overview We are seeking a highly analytical, systems-minded Middle Java Developer to join our expanding back-end engineering division in a remote-first capacity. In this core development seat, you will claim accountability... 

 ...overcoming complex IT challenges through tailor-made software development and data-driven solutions. Softeta is looking for a Java Developer to become a part of our vibrant team and will be work for our client from banking sector. Responsibilities: Implement and... 

At Houston Methodist, the Senior Application Analyst position is responsible for expert-level support and configuration of assigned applications. The position entails assisting, training and supporting customers and junior analysts with the operation and administration ...

 ...assigned tasks. Applies workflow to and from clinical and business applications. Effectively leads and facilitates meetings. Develops meeting objectives, agendas and action items. Supports and installs software applications, including on call support. QUALITY... 

Summary The Wikimedia Foundation is seeking a Senior Software Engineer to join the team supporting the Wikidata Platform — the structured data backbone of Wikimedia projects and a key part of the global open knowledge ecosystem. You’ll help scale and sustain the Wikidata...

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... 

Altoros - a leading IT services provider is looking for a **Unity Support Engineer. **!Part-time position. Responsibilities: Regularly review Unity SDK release notes on a monthly basis and: Identify and flag breaking changes that may impact integration with...

 ...Access: Level Access is the trusted pioneer and industry leader in digital accessibility solutions, empowering enterprises to build web, mobile, and software surfaces that are completely compliant and usable for individuals with disabilities. By combining advanced automated... 

 ...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... 

 ...portfolio, and interact with their assets. Our stack is React on web and React Native on mobile, and we ship fast, measure everything...  ...to guide what we build next. The opportunity Design, develop, and maintain high-quality consumer-facing features across web (... 

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...

 ...Responsibilities Production-Grade AI Systems Architecture: Design, develop, and scale advanced AI-driven backend services that power...  ...containerized container layers inside Kubernetes clusters across Amazon Web Services (AWS) clouds. An outcome-driven personal philosophy... 

 ...and design standards for your team, and advocating for them beyond your team through your writing and tech talks. You will help develop talent on your team by providing feedback and guidance, and leading by example. What We Look For You have 4+ years of experience... 

 ...Engineer Fullstack to become a part of our vibrant team and will be work for our client from banking sector. Responsibilities: Develop and maintain scalable frontend applications using React 19 and TypeScript . Build and optimize applications within a Turbo monorepo... 

About A1 There are over 5 billion users using basic applications today such email, notes, tasks that are not AI-native. Our mission is to build a proactive smart assistant for everyday users to bring intelligence to conversations, errands, organising and workflows, with...

 ...customers onto our AI platform, we’re facing challenges that sit at the intersection of infrastructure, application architecture, developer experience, and enterprise clients’ requirements. These problems are rarely well-defined upfront, there’s never a single way to solve... 

 ...foundational pillars. The platform provides high-agency backend developers with an uncompromised remote canvas to leverage modern...  ...: Design, develop, and scale high-performance, secure backend web applications and microservices cleanly natively utilizing Backend... 

 ...technical leadership role at the intersection of QA and mobile development, driving a native-first testing strategy and a culture where developers own quality rather than hand it off. Your scope of work will cover 3 areas. I. Test strategy & native automation Design... 

 ...platform services and tooling across the organization. The role focuses on full‑stack software architecture, infrastructure, and developer productivity across on‑prem and cloud environments. You will help drive engineering maturity and operational excellence across... 

 ...About Hostinger: Hostinger is a premier, internationally recognized web hosting pioneer, digital infrastructure innovator, and global online success enabler on an absolute mission to empower entrepreneurs, small businesses, and digital creators worldwide. Powered natively... 

 ...network, and security, powering everything from real-time communication and video streaming to enterprise AI architectures and secure web applications. Armed with 210+ edge locations, 50+ cloud regions, and thousands of enterprise GPUs, our global team of 550+... 

 ...About Gcore: Gcore is a premier, internationally recognized web infrastructure giant, cloud computing titan, and global artificial...  ...server provisioning fluidly natively using DevOps pipelines, develops low-overhead operational tooling smoothly natively using Python...