Informacje o stanowisku
          Senior Fullstack Developer with Node.js 
Miejsce pracy: Warszawa
Technologies we use 
Expected
- Node.js 
- React.js 
- JavaScript 
Optional
About the project 
We are seeking a motivated Fullstack Developer to join our client’s remote Financial Crimes Risk Management team. You will play a key role in combating financial crime by developing server-side solutions using Node.js. 
Your responsibilities 
- Building and maintaining efficient, scalable backend systems 
- Designing and managing high-performance databases 
- Developing APIs for frontend and third-party integrations 
- Ensuring security, data protection, and application performance 
- Diagnosing and resolving technical issues quickly and effectively 
- Collaborating with cross-functional teams to deliver technical solutions 
- Following best practices for code quality, documentation, and version control 
Our requirements 
- 5–8 years of backend development experience 
- Proficiency in Node.js, including building server-side components and data processing 
- Skilled in building dynamic web interfaces using React, Svelte, or similar modern web technologies 
- Previous experience with Kubernetes, Docker, ArgoCD, and distributed systems 
- Awareness of monitoring, observability, and fault tolerance best practices 
- Understanding of RESTful APIs, cloud platforms (AWS/Azure/GCP), and Git 
- Familiarity with JIRA, Azure DevOps, and secure web development principles 
- Bachelor’s or Master’s in Computer Science or related field 
- Fluency in English 
- Residing in Poland required 
Optional
What we offer 
- Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas 
- Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market 
- We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 
- Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more 
- Comfortable workplace – class A offices or remote work 
- Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application 
- PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers 
- Investment in your growth – meetups, webinars, training platform and technology blog – you choose 
- Fantastic atmosphere created by all Sii Power People 
Recruitment stages 
- Send your CV 
- Talk to us about your expectations 
- Learn more about our projects and choose the best 
- Start your adventure with Sii! 
 
Sii Sp. z o.o.
Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world. 
 The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment. 
           Praca WarszawaWarszawa - Oferty pracy w okolicznych lokalizacjach