Mid/Senior Full-stack Engineer (Node & React)

Tietoevry1

Warsaw, , Poland Hybrid permanent

Posted: February 26, 2026

Job Description

We’re looking for a Full-Stack Engineer with expertise in Node.js and React to join a global digital health engineering team building customer-facing tools that simplify and streamline clinical study setup and delivery. You’ll work on a business-critical configuration platform within a large, Agile and DevOps-driven organization, collaborating closely with engineers, UX, and study delivery teams to drive innovation, improve productivity, and enhance patient participation through data and AI-enabled solutions. 

Key Responsibilities    

• Design, develop, and maintain scalable backend services using Node.js and TypeScript 

• Collaborate with frontend engineers and cross-functional teams to deliver and enhance the platform 

• Build and integrate REST APIs and work with databases 

• Write clean, maintainable, and testable code with automated testing 

• Implement authentication and identity workflows 

• Work with containerized applications and support DevOps practices 

• Apply Domain-Driven Design and event-driven patterns where relevant 

Required Experience & Qualifications 

• Strong backend development skills with TypeScript and Node.js, including architecture and best practices 

• Proficiency with frontend technologies (React, TypeScript, HTML, CSS, Tailwind) 

• Experience building REST APIs, working with relational and document databases (PostgreSQL, MongoDB/DynamoDB) 

• Skilled in writing clean, maintainable, and testable code with unit, component, and end-to-end testing 

• Understanding of authentication and identity providers 

• Experience with containerization and orchestration (Docker, Kubernetes), preferably in AWS, and DevOps practices 

• Domain-Driven Design, Kafka, or event-driven architectures experience is a plus 

• Excellent spoken and written English language skills  

We offer:  

• Competitive salary  

• Career development possibilities 

• Private medical care

• Group life insurance 

• Investment fund 

• Relocation package 

• MyBenefit System

• English Courses

• Career development possibilities 

• Lunch Benefit

Information about the salary range and the criteria used to determine remuneration will be shared with candidates prior to the interview process and confirmed before an offer is made.

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.

Diversity, equity and inclusion (tietoevry.com)

Why Apply Through MisuJob?

AI-Powered Job Matching: MisuJob uses advanced artificial intelligence to analyze your skills, experience, and career goals. Our matching algorithm compares your profile against thousands of job requirements to find positions where you have the highest chance of success. This saves you hours of manual job searching and ensures you only see relevant opportunities.

One-Click Applications: Once you create your profile, applying to jobs is effortless. Your resume and cover letter are automatically tailored to highlight the most relevant experience for each position. You can apply to multiple jobs in minutes, not hours.

Career Intelligence: Beyond job matching, MisuJob provides valuable career insights. See how your skills compare to market demands, identify skill gaps to address, and understand salary benchmarks for your experience level. Make data-driven decisions about your career path.

Frequently Asked Questions

How do I apply for this position?

Click the "Register to Apply" button above to create a free MisuJob account. Once registered, you can apply with one click and track your application status in your dashboard.

Is MisuJob free for job seekers?

Yes, MisuJob is completely free for job seekers. Create your profile, get matched with jobs, and apply without any cost. We help you find your dream job without any hidden fees.

How does AI matching work?

Our AI analyzes your resume, skills, and experience to understand your professional profile. It then compares this against job requirements using natural language processing to calculate a match percentage. Higher matches mean better fit for the role.

Can I apply to jobs in other countries?

Absolutely. MisuJob features jobs from companies worldwide, including remote positions. Filter by location or look for remote opportunities to find jobs that match your preferences.

Ready to Apply?

Join thousands of job seekers using MisuJob's AI to find and apply to their dream jobs automatically.