Javascript developer jobs in Poland

 ...video segments like Honest Trailers. Fandom equips high-agency developers with an uncompromised software canvas to engineer highly...  ...designing and writing application layouts natively using modern JavaScript (ES6+), TypeScript, HTML5, and CSS3. Extensive production-level... 

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...

 ...automated tests, recommending process and product improvements, and developing strong feature and product knowledge. Key Responsibilities...  ...developing and maintaining automated tests (E2E: TypeScript/JavaScript with Playwright; API integration testing: Python).... 

 ...This means designing and implementing a scalable architecture, developing and optimizing backend services and APIs, improving the...  ...years of experience as a Software Engineer. Proficiency in JavaScript/TypeScript , and experience using modern frameworks and technologies... 

 ...Checkly as a Senior Customer Solutions Engineer and empower developers and agents to own and ensure application performance and reliability...  ...skills that allow you to read, write and debug code ( Javascript/Node.js preferred). ~5+ years experience in a Solutions Engineering... 

 ...work for our client from banking sector. Responsibilities: Develop and maintain scalable frontend applications using React 19...  ...Strong experience with TypeScript (strict mode) and modern JavaScript. Solid knowledge of Node.js and React . Experience working... 

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...

 ...Platform teams, and use experimentation, observability, and user behaviour to guide what we build next. The opportunity Design, develop, and maintain high-quality consumer-facing features across web (React) and mobile (React Native), owning the full experience from... 

About the Role: We're looking for a Software Engineer who uses AI as a core part of the development process to build, understand, and maintain complex software systems. You'll join a team working on a large ecosystem of interconnected services, shared libraries...

 ...About This Role We are looking for a Senior Shopify Full Stack Developer with deep expertise in the Shopify ecosystem, a strong grasp of headless architecture, and experience leading enterprise-scale development initiatives. You'll be responsible for building scalable... 

 ...logging suites (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... 

 ...evaluate AI coding agents - how well a model handles real-world developer tasks. You'll create challenging tasks and evaluation...  ...evaluation is fair and robust Core stack: Python (FastAPI), JavaScript/TypeScript (React), Docker, Postgres, Kafka, Redis Frontier... 

 ...line skills. Scripting experience with Python , Bash , JavaScript , or comparable language. Understanding of application...  ...relevant to enterprise SaaS. Experience building internal developer platforms or self-service engineering capabilities. Experience... 

 ...The Role Lead a team 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... 

 ...internationally recognized AI product incubator, growth marketing tech developer, and elite automated systems provider operating on a...  ...integrations cleanly natively leveraging advanced Python Scripting , JavaScript, or TypeScript repositories, and commands complex commercial... 

 ...in a world players want to stay in. You'll work closely with developers and product to ship work that reaches millions of players....  ...async team Nice to Have Basic scripting for prototyping ( JavaScript , C# , or AI-assisted tooling) Game sound design experience... 

 ...your expertise in cross-platform solutions (e.g., Flutter, C, JavaScript) will be crucial as we expand and diversify our portfolio. You...  ...and integration with various hardware and payment systems. Develop and maintain architectural documents and diagrams for POS... 

 ...Must have: Familiarity with the Node.js runtime and the JavaScript ecosystem. Strong web application security fundamentals and...  ...Why this matters Most managed-hosting customers are not developers. They cannot patch their apps. They cannot audit their dependencies... 

 ...Support: Partner with core SDET specialists to scale and maintain our existing Playwright end-to-end automation modules built on JavaScript/TypeScript or Python. Agile Quality Advocacy: Participate actively in architectural system designs and product reviews,... 

 ...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... 

 ...risk teams and other engineering teams, you will effectively manage loans throughout the delinquency phase of their lifecycle and develop and implement recovery strategies. We are looking for a highly motivated software engineer to build the next generation platform... 

 ...distribution system (GDS) API contracts confidently. Key Responsibilities Production-Grade AI Systems Architecture: Design, develop, and scale advanced AI-driven backend services that power virtual agent workflows, conversational reasoning layers, and automation... 

 ...& Qualifications A minimum 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... 

 ...We are looking for a Senior Developer Advocate (Education focus) to: Teach a community of automation, no-code and open source builders, meeting them where they already are with practical how-tos, helping them get unstuck, and building relationships with our most active... 

About Spate At Spate, we use data science to predict the next big consumer trend in beauty, personal care, wellness & functional food. Spate was founded in 2018 by Yarden Horwitz & Olivier Zimmer, two ex-Googlers who led the trendspotting division at Google and uncovered...

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...

 ..., absolute code ownership, and AI-driven process acceleration as foundational pillars. The platform provides high-agency backend developers with an uncompromised remote canvas to leverage modern containerized tech stacks, manipulate complex relational databases, and build... 

 ...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... 

 ...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... 

 ...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...