Senior Full Stack Engineer

Level

Senior

Department

Full Stack

Type

Full Time

Project

NDA

Locations:

Ukraine

Poland

Romania

Remote

Job Details

Posted on:

October 28, 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

Our client is a cutting-edge tech company revolutionizing subsurface mapping by combining multi-sensor geophysics and AI to create the most accurate underground maps in the world. They partner with leading infrastructure owners across energy, utilities and transportation in the U.S., Europe and Israel, helping to reduce risk, accelerate project delivery and save time, money and lives.

We’re looking for a Full Stack developer to join our product innovation team as a founding member. In this role, you’ll take part in designing and building the state of the art 3D geospatial web applications.

Specialization

Headquarters

Years on the market

Team size and structure

Current technology stack

Required skills:

7+ years of experience in frontend development with React and TypeScript 
Proven experience in leading complex technical projects
Strong background in state management (Redux, Zustand, or similar) 
Solid understanding of web performance optimization, accessibility, and cross-browser compatibility 
Experience with Postgres DB
Experience with GraphQL and REST APIs 
Background in data visualization, especially geospatial or real-time data 
Experience with geospatial visualization libraries (Mapbox GL, Deck.gl, CesiumJs or similar)

Bonus Skills

Experience in 3D visualization technologies (Three.js, WebGL)
Knowledge of CI/CD workflows and AWS services / lambda
Experience with CAD or Geographic Information Systems

Scope of work:

Develop and maintain scalable web applications using React with TypeScript 
Design and optimize data-rich visualizations, including geospatial and 3D components
Work closely with product team, and with customers to understand their needs, and come up with innovative solutions to help them
Ensure smooth integration of frontend with backend APIs (GraphQL, REST, Postgres) 
Product & Design: Translate product vision into high-quality technical solutions