First seen by Alion on Nov 13, 2026.
Warsaw-based opportunity with a fully remote work model.
As a Senior Node.js & React Full-Stack Developer, you will be working for our client, a global leader in healthcare and agriculture. You will contribute to solving major global challenges by developing innovative crop science solutions that promote sustainability, resilience, and community well-being. Join a dynamic, international environment where your expertise will drive impactful solutions and long-term innovation.
Your main responsibilities:
Develop and support business-critical solutions within an agile, product-oriented team.
Solve organization-wide challenges related to identity and account management.
Design and document technical architectures and software solutions across multiple teams.
Ensure the consistency, quality, and performance of developed solutions.
Evaluate and recommend technologies to improve system efficiency and scalability.
Build and maintain relationships with key stakeholders and partner organizations.
Mentor junior engineers and promote technical growth and best practices.
Continuously develop your technical expertise in a fast-paced environment.
You're ideal for this role if you have:
At least 5 years of experience in software development or engineering.
Strong problem-solving skills, a proactive attitude, and a collaborative mindset.
Deep knowledge of JavaScript, including runtimes, APIs, and its ecosystem.
Extensive backend development experience with Node.js.
Proficiency in TypeScript and a track record of writing clean, maintainable code.
Strong frontend development skills with React, build tools, and performance optimization.
Experience with AWS services, including DynamoDB, Lambda, and Step Functions.
A product-oriented mindset, with the ability to understand business domains and suggest pragmatic solutions.
Excellent communication skills and experience working in an agile, global team.
A willingness to learn, develop, and innovate in a fast-paced environment.
It is a strong plus if you have:
Knowledge of Medusa.js.
Experience with SAP or Salesforce integrations.
Language Required for the role: Fluent English.
Eligibility for the role: Only candidates with an existing legal right to work in Europe will be considered for this role.
Tech stack
- Node.js
- React
- Amazon AWS
- Lambda

