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Urgent! Senior Fullstack Engineer (Node.js, TypeScript, Next.js) - Freelance to Perm Position Job Opening In Warsaw – Now Hiring 10Clouds

Senior Fullstack Engineer (Node.js, TypeScript, Next.js) Freelance to Perm Position



Job description

About 10Clouds


10Clouds is a top international software consultancy, recognized by Deloitte and the Financial Times as one of the fastest-growing technology companies in Central Europe.

We design and build world-class digital products, with deep expertise in AI product development, IT staff augmentation, and full-stack software services.


For the last 15 years our team has delivered transformative solutions to over 500 clients: startups, scale-ups, and enterprises — including global brands like Pinterest, Baidu, Facebook, or Orange. 


We’re looking for a skilled fullstack engineer with strong experience in Node.js, Next.js, and TypeScript to help us build a high-impact invoicing system focused on early/prepayment invoicing.

The first 3 months will focus on building out early/prepayment functionality followed by long-term maintenance and new feature development.

This role requires a balance of backend strength and frontend capability, combined with a proactive, solutions-oriented mindset.


 


Key Responsibilities




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




  • Build simple, functional frontend components with Next.js




  • Collaborate closely with product, engineering, and business teams




  • Take ownership of technical solutions from concept to deployment




  • Ensure system performance, reliability, and scalability




 




 


What We’re Looking For




  • 5 years of experience in backend development




  • 3+ years of hands-on experience with Node.js




  • 2+ years of experience with TypeScript




  • Experience with both SQL (PostgreSQL) and NoSQL (MongoDB) databases




  • Solid understanding of HTML5, CSS3, and responsive design




  • Experience building applications using Next.js




  • Familiarity with caching (Redis, MemCache) and messaging systems (Kafka, RabbitMQ)




  • Agile development experience



  • Excellent communication skills in English


 


 




 


Bonus Points 




  • Experience with Tailwind CSS or other utility-first CSS frameworks




  • Basic understanding of UX/UI principles




  • Familiarity with Nest.js, Docker, Kubernetes, or AWS




  • Experience designing APIs and building microservices






 


Mindset & Soft Skills


We’re looking for more than just someone to write code.

You should bring:




  • A strong ownership mentality and a client-first approach




  • Ability to challenge requirements and suggest better solutions




  • Willingness to contribute to product direction and technical decisions




  • A track record of proactive problem-solving beyond what’s assigned




 


Required Skill Profession

Computer Occupations



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