Senior Fullstack Software Engineer (React, Next.js, Node.js)

TL;DR

Senior Fullstack Software Engineer (React, Next.js, Node.js): Building scalable front-end and back-end features for a global digital platform undergoing major re-platforming to cloud-native architecture with an accent on secure data flows, APIs, and personalized user experiences. Focus on designing microservices, optimizing performance and accessibility, collaborating in Agile teams, and participating in architecture decisions.

Location: Kraków/Remote (applicable in Poland & Latam & MD/RO)

Company

Outsourcing company delivering digital experiences for millions of members with international projects for global clients.

What you will do

• Build scalable front-end and back-end features using React, Next.js, and Node.js
• Design and develop APIs, microservices, and integrations
• Implement secure and reliable data flows using modern cloud services
• Collaborate with Product, Design, and QA teams in Agile delivery
• Optimize performance, accessibility, and user experience
• Participate in architecture decisions, technical reviews, CI/CD practices, and production troubleshooting

Requirements

• Proficiency with TypeScript, Node.js, and React (Next.js)
• Experience with AWS (preferably serverless)
• Familiarity with modern databases (DynamoDB, PostgreSQL, MySQL)
• Understanding of authentication and security (Auth0, tokens, API security)
• Ability to write unit and integration tests (Jest preferred)
• Good grasp of APIs, microservices, application design patterns, and Agile teams

Culture & Benefits

• Flexible employment and remote work (Poland, Latam, MD/RO)
• Work with latest technologies on international projects for industry leaders
• Non-corporate atmosphere without dress code (Poland, Latam, MD/RO)
• Language classes, internal/external training, skill centers, and webinars (Poland, MD/RO)
• Private healthcare, multisport card, and well-being initiatives (Poland, Latam, MD/RO)