Senior Full Stack Engineer

Level

Senior

Department

Development

Type

Full Time

Project

Centerity

Locations:

Eastern Europe

Remote

Job Details

Posted on:

October 31, 2025

Job ID:

About the Company

Established in 2004, ALLSTARSIT was founded with a clear vision: to enhance the landscape of global IT employment by bridging the gap between companies and skilled professionals. The core belief was that assembling a team shouldn't be hindered by geographical constraints. Fast forward to the present day, ALLSTARSIT stands as an international outstaffing service provider committed to change the way businesses recruit, compensate, and oversee top talent worldwide.

With operational hubs scattered across Europe, Asia, and LATAM, and its headquarters situated in San Francisco, US, the company boasts a workforce of over 1,000 adept professionals. Spanning across more than 20 countries, ALLSTARSIT offers a diverse range of skilled employees across various verticals, including AI, cybersecurity, healthcare, fintech, telecom, media, and so on.

About the Project

As a Senior Full Stack Engineer, you’ll join an experienced team modernizing and scaling theplatform. You will work closely with product and engineering leaders to rebuild large parts of thesolution — upgrading the UI with React, scaling the platform, adding new backend featuresusing NodeJS, and preparing the system for SaaS and multi-tenant operations.

Specialization

Headquarters

Years on the market

Team size and structure

Current technology stack

Required skills:

5+ years as a Full Stack Developer
5+ years of experience with NodeJS and React
Experience with Unix/Linux environments
Strong understanding of relational databases (MySQL, PostgreSQL)
Excellent written and verbal English communication skills

Nice to have skills:
Experience working with microservices
Familiarity with Kubernetes
Familiarity with Elastic Stack
Familiarity with InfluxDB

Scope of work:

Develop new features and core components using React and NodeJS
Build secure, efficient APIs and business logic for edge device management
Contribute to the development of a new SaaS onboarding experience
Work collaboratively with design, DevOps, and QA teams