Full-Stack Engineer (React + Node.js)

• Job profile
• We’re seeking a

Senior Fullstack Engineer

with a passion for building scalable, cloud-native applications using modern JavaScript technologies. In this hands-on role, you’ll collaborate with our product development team to design and implement

microservices and micro frontend architectures

, ensuring high performance, usability, and maintainability.

This role offers a

50/50 split between frontend and backend development

, making it ideal for someone who thrives in a

fast-paced, product-driven environment

, takes ownership, and enjoys mentoring teammates. If you’re

experienced in

and

• excited about
• leveraging
• React, TypeScript, and Node.js
• to create impactful solutions, we’d love to hear from you!

This

Poland-based role

offers remote flexibility, but we value in-person collaboration. Our team meets in Poland for at least one week each quarter, so we request all applicants to be located in Poland. This is

not

a globally remote role. Poland residency is required.

The contract form is

Umowa o Pracę (brutto).

What you will be responsible for

Collaborate

• in refinement sessions with product and tech teams to ensure feature clarity and feasibility.
• Design, implement, and maintain
• scalable web APIs using
• Node.js
• and microservices architecture principles.

Develop

responsive, high-quality user interfaces with

React and TypeScript

• .
• Work closely with Product Owners
• to clarify feature requirements and ensure business context is well-understood.
• Align feature architecture
• with Tech Leads to ensure consistency and scalability.

Ensure

features meet the

Definition of Done

with robust test coverage (unit, integration, E2E).

Support

incident response and production issue resolution.

Mentor

• teammates and contribute to
• knowledge sharing
• in technical best practices.
• What makes you a match

Essential Qualifications (Must-Have's)

• ✅ MSc Computer Science or similar
• ✅
• 7 - 10 years of professional experience in

JavaScript/TypeScript

• .
• ✅ Expertise in
• React + a modern SSR framework (React Router v7 / Remix / Next.js)
• (frontend) and
• Node.js
• (backend) .
• ✅ Strong testing skills (
• Vitest, Playwright, and Storybook interaction test
• s/component-driven
• ).

Bonus Skills

Familiarity with

• AWS (Lambda, S3, CloudFront, IAM, Pulumi / infrastructure-as-code)
• .
• Agile/DDD experience
• in cross-functional teams.

Collaboration and Interpersonal Skills

• Clear communication with technical/non-technical stakeholders.
• Ownership mindset with proactive problem-solving.

Languages

Fluent English

(required); German, Polish,

Ukrainian (all nice-to-have).

What you can expect

A dynamic, ambitious team where your voice is heard, and your contributions truly matter. You’ll have real ownership over your decisions in a trusted, cross-functional environment within a Swiss product company that puts people first. We offer fair compensation, flexible working hours, a hybrid work setup, and a culture that supports both personal and professional growth, fostering a healthy work-life balance.

Employer of Record

For this role, we offer employment through our trusted Employer of Record ( ), ensuring full legal compliance and a seamless experience for our team members in Poland.

ID Verification

To maintain a fair and secure hiring process, candidates might be asked to verify their identity via

PEScheck

before speaking with our recruiters. This step helps us prevent fraud and focus our resources on genuine applicants.