--- title: 'Full-Stack Developer (Node.js + React) at Altamira.ai' canonical: 'https://feeny.ai/job/full-stack-developer-node-js-react-altamira-ai-europe-9eg6m4bvqav6' type: 'job' last_seen: '2026-10-28' --- # Full-Stack Developer (Node.js + React) at Altamira.ai - **Company:** Altamira.ai - **Location:** Europe - **Posted:** 2026-10-09 - **Last confirmed live:** 2026-10-28 - **Apply:** https://job-boards.eu.greenhouse.io/altamiratechnologies/jobs/5001742101 ## Job description Altamira is a software development outsourcing company. We provide solutions that make a tangible impact on our client’s growth and productivity. With domain knowledge across product and technology development, we aim to provide cost-efficient solutions without compromising quality. We are driven to deliver the best, every single time. Altamira service delivery teams currently span Slovakia, Ukraine, and the Middle East, and we have ambitions to expand our footprint to meet the growing demand across Europe and into our primary growth markets in the UK and the US. In terms of industry verticals, we are focused on EdTech, Fintech, eCommerce, and Pharma. We are looking for a Full-Stack Developer (Node.js + React) to join our team and work on a long-term project for an international client. This is an outstaffing engagement, meaning you will be fully integrated into the client’s team and collaborate closely with their engineers, product managers, and stakeholders. Project You will join an existing product with an established codebase and an active development roadmap. The project focuses on building and maintaining scalable back-end services and complex front-end applications. You will work with modern JavaScript and TypeScript technologies while also maintaining and extending parts of a legacy system. The role requires a high level of autonomy, ownership, and the ability to work effectively in a distributed team. ## Requirements Back-end (Node.js, with PHP/Laravel exposure) - Deep, hands-on experience with Node.js in production environments - Strong knowledge of TypeScript and modern JavaScript - Experience designing and implementing RESTful APIs - Understanding of backend architecture patterns (layered architecture, modular design, separation of concerns) - Solid understanding of asynchronous programming, the event loop, and performance considerations in Node.js - Experience working with SQL databases, including query optimization, transactions, and migrations - Knowledge of authentication and authorization mechanisms (JWT, OAuth, role-based access) - Experience with error handling, logging, and monitoring in back-end services - Ability to write maintainable and testable code (unit and integration tests) - Practical experience working with PHP and Laravel in production environments - Ability to maintain and extend existing Laravel-based services - Comfort working with and debugging legacy PHP/Laravel codebases Front-end (React.js) - Strong experience building complex applications with React - Confident use of modern React patterns (hooks, context, controlled components) - Experience with state management solutions (Redux, React Query, or similar) - Ability to design and implement scalable component architectures - Strong understanding of front-end performance optimization (memoization, rendering control, code splitting) - Experience working with forms, validation, and complex UI state - Knowledge of accessibility (a11y) and cross-browser compatibility - Experience integrating front-end applications with APIs and handling asynchronous data flows - Ability to maintain consistent UI/UX in large codebases ## Responsibilities - Develop and maintain back-end services using Node.js and TypeScript - Design, implement, and evolve RESTful APIs - Maintain and extend existing PHP and Laravel services - Build and maintain complex front-end applications using React - Collaborate closely with the client’s team on feature development and technical decisions - Ensure code quality through testing, code reviews, and best engineering practices - Work with existing and legacy systems, improving stability and maintainability - Take ownership of features end-to-end, from implementation to delivery - Contribute to performance, reliability, and scalability improvements across the full stack We respect your time and keep our process clear and human. From the first “hello” to the offer usually takes up to 2 weeks: - A short recruiting call (30 min) - A technical conversation with our experts (1 hour) - Client interview (if needed, up to 1 hour) - Reference check - Offer and welcome on board - Please note that the process may occasionally vary depending on the role or specific project needs. ## Why join altamira.ai - You get fair, competitive pay and real opportunities to grow. - Fully remote - no commuting, no office constraints. - We don’t do micromanagement - we do trust, ownership, and support. - We provide all the tech equipment you need. - 20 working days of paid vacation, paid sick leave, public holidays, and regular salary reviews. - A flexible schedule to keep your work-life balance sane. - Space to learn, experiment, and bring your ideas to life. We do believe that the success of altamira.ai is impossible without the success of our Talents and the success of our Clients! ❤️ ## About Altamira.ai ## Company Overview - **One-liner**: Altamira is an AI-native business solutions consultancy that builds custom software, AI agents, and automation tools to drive measurable business outcomes. - **Entity Type**: Private (Bootstrapped) - **Headquarters**: Bratislava, Slovakia - **Founded**: 2009 - **Founders**: Information not publicly available; the current CEO is Kristian Samler [himalayas.app](https://himalayas.app/companies/altamira). ## Core Business - **Primary industries**: Information Technology & Services, Artificial Intelligence, Custom Software Development, AI-Powered Automation, Digital Transformation. - **Target customers**: Primarily B2B, serving mid-market to large enterprises in sectors including healthcare, insurance, pharma, legal, education, and retail. - **Mission / Purpose**: To make the pain of building software go away by providing AI-powered solutions that drive real cost savings and efficiency gains, with a commitment to "Great software, zero headaches." [altamira.ai](https://www.altamira.ai/about-us/) ## Products & Services - **AI Strategy & Roadmap**: Discovery and mapping phase to identify high-impact AI use cases, assess data readiness, and produce a clear roadmap with timelines, cost estimates, and a working pilot. [altamira.ai](https://www.altamira.ai/) - **Custom AI Solutions**: Development of predictive, generative, and computer vision AI experiences tailored to specific business needs (e.g., chat automation, document intelligence, image recognition). [altamira.ai](https://www.altamira.ai/) - **AI Agent Development**: Autonomous agents that parse data, manage workflows, engage with customers, and summarize documentation, trained on client business context and connected to existing systems. [altamira.ai](https://www.altamira.ai/) - **Custom Software Development**: Full-scale SaaS products, dashboards, internal tools, and platforms built with integrated data pipelines and AI readiness. [altamira.ai](https://www.altamira.ai/) - **Backend Architecture for ML Ops**: Infrastructure design, model fine-tuning, deployment, and continuous optimization of AI models in production. [altamira.ai](https://www.altamira.ai/) ## Market Standing - **Valuation / Market Cap**: Not disclosed (Private). - **Annual Revenue**: Estimated at $2.5M (LinkedIn data). [linkedin.com](https://sk.linkedin.com/company/altamiraai) - **Headcount**: 68 employees (LinkedIn, as of mid-2025). [linkedin.com](https://sk.linkedin.com/company/altamiraai) - **Key Executives**: Kristian Samler (CEO), Oleksandr Nesterenko (Chief Customer Officer), Denis Korobeinikov (Chief Financial Officer), Yevhenii Klymenko (Managing Partner), Daniel Shtein (Managing Director). [linkedin.com](https://sk.linkedin.com/company/altamiraai) - **Notable Facts**: The company operates in 14 countries (including Ukraine, Poland, Spain, UK, and Armenia) and reports a 98% client retention rate with over 500 projects delivered. [altamira.ai](https://www.altamira.ai/about-us/) - **Client Results**: Claims clients see 4× faster delivery and up to 30% cost reduction after AI solutions go live. [altamira.ai](https://www.altamira.ai/) ## Competitive Advantages - **Practitioner DNA**: The team uses AI daily in their own operations, claiming they "know what works because we’ve already broken it, fixed it, and scaled it ourselves." [altamira.ai](https://www.altamira.ai/) - **No Vendor Lock-In**: AI solutions are built inside the client’s existing infrastructure ("Your systems. Your data. Your rules."). [altamira.ai](https://www.altamira.ai/) - **Outcome-Focused**: Every project starts with the principle: "If it doesn’t move a KPI, we don’t build it." [altamira.ai](https://www.altamira.ai/) - **Fast Prototyping**: Turns concepts into live, working systems (not slide decks) in weeks, tested against real data. [altamira.ai](https://www.altamira.ai/) ## Strategic Focus - **AI-Native Expansion**: Deepening capabilities in AI agents, copilots, and intelligent automation across regulated industries (healthcare, insurance, legal, pharma). - **Geographic Growth**: Operating as a "digital nomad" team across 14 countries, with a strong engineering hub in Ukraine and growing presence in Poland, Spain, and the UK. - **Talent Development**: Emphasizing knowledge transfer to clients to "build your organisation’s capabilities" and realize the full potential of AI. [altamira.ai](https://www.altamira.ai/about-us/) ## Why Work Here - **Culture**: Described as a "people-first approach" with quality as a core value. The team is distributed and remote-friendly. [linkedin.com](https://sk.linkedin.com/company/altamiraai) - **Remote & Hybrid Policy**: Fully remote-friendly; currently hiring for roles across Europe (e.g., Senior Node.js Engineer, UAV/Robotics Engineer, Senior DevOps Engineer). [greenhouse.io](http://job-boards.eu.greenhouse.io/altamiratechnologies) - **Employer Ratings**: 3.9/5.0 on LinkedIn (based on 17 reviews), with Work-Life Balance rated highest at 4.2. Compensation and Culture rated 3.8 each. [linkedin.com](https://sk.linkedin.com/company/altamiraai) - **Benefits**: Offers 9 employee benefits (specific details not disclosed in public listings). [himalayas.app](https://himalayas.app/companies/altamira) - **Team Composition**: Strong engineering focus (34 technical staff out of 68 total), with senior talent and specialists making up the largest seniority groups. [linkedin.com](https://sk.linkedin.com/company/altamiraai) - **Growth Opportunity**: Opportunity to work on AI transformation projects for enterprise clients across multiple industries, with a clear path from prototype to production. ## Sources 1. [Altamira Official Website](https://www.altamira.ai/) 2. [Altamira About Us Page](https://www.altamira.ai/about-us/) 3. [Altamira LinkedIn Profile](https://sk.linkedin.com/company/altamiraai) 4. [Altamira Careers on Greenhouse](http://job-boards.eu.greenhouse.io/altamiratechnologies) 5. [Altamira on Himalayas](https://himalayas.app/companies/altamira) ## Other roles at Altamira.ai - [Electronics Engineer](https://feeny.ai/job/electronics-engineer-altamira-ai-romania-b13sm2s8wzmw) — Romania - [Senior Azure Databricks Engineer](https://feeny.ai/job/senior-azure-databricks-engineer-altamira-ai-europe-vk94n5f69g99) — Europe