Informacje o stanowisku

Senior Fullstack Developer with Node.js

Technologies we use

• Node.js
• React.js
• JavaScript

• Python
• Svelte

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

• Experience with Python

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 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.

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