Job Description
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
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.












