Javascript jobs in Poland

 ...interfaces and backend computing clusters. Expert-tier capability designing and writing application layouts natively using modern JavaScript (ES6+), TypeScript, HTML5, and CSS3. Extensive production-level experience running component-driven architecture using React,... 

 ...observability with OpenTelemetry and Prometheus . Requirements Strong experience with TypeScript (strict mode) and modern JavaScript. Solid knowledge of Node.js and React . Experience working with Turbo monorepos and pnpm workspaces . Hands-on... 

 ...performance production software and scalable architectures. Minimum 8 years of experience as a Software Engineer. Proficiency in JavaScript/TypeScript , and experience using modern frameworks and technologies (e.g., Docker, K8s) to build high-throughput, low-latency... 

 ...- review agent 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... 

 ...when needed 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... 

 ...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... 

 ...and customer code we'll encounter in production. Requirements Must have: Familiarity with the Node.js runtime and the JavaScript ecosystem. Strong web application security fundamentals and current knowledge of practical exploitation. A working sense of... 

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 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...

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...

 ...developing and maintaining automated tests. Ability to use approved AI tools effectively to improve testing quality and productivity. Experience developing and maintaining automated tests (E2E: TypeScript/JavaScript with Playwright; API integration testing: Python).... 

 ...the majority of our terminals are currently based on Android Native, your expertise in cross-platform solutions (e.g., Flutter, C, JavaScript) will be crucial as we expand and diversify our portfolio. You’ll play a critical role in shaping the direction of our POS-... 

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 workflows...

 ..., CloudWatch , OpenTelemetry ). Strong Linux and command-line skills. Scripting experience with Python , Bash , JavaScript , or comparable language. Understanding of application deployment patterns for modern web applications, APIs, background workers... 

 ...gameplay Clear, structured written communication; this is a remote, async team Nice to Have Basic scripting for prototyping ( JavaScript , C# , or AI-assisted tooling) Game sound design experience Our Values at Colonist We strongly adhere to these values... 

 ...the majority of our terminals are currently based on Android Native, your expertise in cross-platform solutions (e.g., Flutter, C, JavaScript) will be crucial as we expand and diversify our portfolio. You’ll play a critical role in shaping the direction of our POS-... 

About the role As a Mid-level Software Engineer at Ledgy, you’ll build reliable, scalable product experiences that help companies manage their equity with confidence. You’ll work closely with experienced engineers, product managers, and designers to turn complex equity...

 ...natively using AI Engineer mechanics, builds high-yield integrations cleanly natively leveraging advanced Python Scripting , JavaScript, or TypeScript repositories, and commands complex commercial funnels confidently under tight project deadlines. Key Responsibilities... 

Building the Future of Open Finance Payward - the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks - has spent the last 15 years building one of the most modern and globally accessible financial infrastructure platforms ...

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...

 ...financial configuration (Chart of Accounts, subsidiaries, taxes, items). Knowledge of programming/scripting languages (Python, SQL, JavaScript, HTML). Hands-on experience with NetSuite customizations (workflows, custom fields, custom records, roles, permissions,... 

The mission We protect web hosting providers and the sites running on their infrastructure through a defense-in-depth stack: web-server-layer WAF, runtime application self-protection for PHP, deep application integrations (WordPress plugins and similar), a malware scanner...

 ...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,... 

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...

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...

We are hiring a Solution Architect to support a global e-commerce leader modernizing the way its teams create and manage content with Agentic AI. In this hands-on role, you will define the target architecture and actively support engineering teams as they build a scalable...

At SPD Technology, we bring together a team of like-minded people who are driven by the desire to bring value through their work, united in their commitment to high performance and delivering custom, cutting-edge tech solutions that drive clients’ growth. We empower our...

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 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 ...

Your mission In this role, your mission will be to enhance and scale the backend systems powering the Mimica platform ( MERN stack). This means designing and implementing a scalable architecture, developing and optimizing backend services and APIs, improving the performance...