Develop modern web systems leveraging Node.js and React to support life-saving therapies and healthcare research for millions of patients, collaborating with top pharmaceutical and biotech partners.
ELEKS Software Engineering and Development Office is looking for a Senior Full-Stack (Node.js and React) Developer in Poland or Croatia.
About Project
Our customer is a global life sciences & healthcare organization whose mission is to improve the quality of people’s lives worldwide. Their digital products directly support life-saving therapies and healthcare research used by millions of patients and their families.
This company works with leading pharmaceutical, biotech, and government partners and plays a critical role in accelerating the delivery of new treatments to the market.
I’m recruiting for a Senior Full-Stack (Node.js + React) role for company from Ireland. It`s a modern web systems that support life-saving therapies. Long-term remote role.
Tech Stack: React, Node.js, Typescript, Next.js, Fastify.
REQUIREMENTS
5+ years of professional experience in software engineering
A strong interest in AI and hands-on daily use of AI tools is required.
Strong hands-on experience with Node.js and React in building and maintaining production-grade applications
Experience with Fastify is a strong advantage
Excellent knowledge of JavaScript, HTML, and CSS (experience with SCSS/LESS is a plus)
Proven experience in designing and consuming RESTful APIs (GraphQL knowledge is a plus)
Solid understanding of cloud-native development, CI/CD pipelines, and containerization (Docker, Kubernetes)
Strong grasp of software architecture, SOLID principles, and security best practices
Experience working with databases such as PostgreSQL, MongoDB, and Redis
Familiarity with monitoring and observability tools (Prometheus, OpenTelemetry) – nice to have
Exposure to AI/ML tools (e.g., GitHub Copilot, OpenAI API) is a plus
Strong problem-solving skills with a proactive ownership mindset
Upper-intermediate or higher level of English (written and spoken)
Willingness to travel occasionally to Ireland
RESPONSIBILITIES
Design, develop, and maintain reliable software in line with technical requirements, focusing on performance and availability
Analyze requirements, review designs, and estimate user stories following project methodology (Agile, Waterfall, etc)
Proactively propose code refactoring and optimization improvements according to the best software development practices and coding standards
Help maintain and improve high-quality standards within the developer community by sharing knowledge, conducting tech talks, and participating in the internal promotion verification process
Stay up-to-date with modern technology and obtain professional certifications
Support less experienced developers by providing training, distributing, and monitoring tasks
ELEKS, also known as ELEKS Software, is an international company that provides custom software engineering and consulting services, headquartered in Tallinn, Estonia.
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