Senior Fullstack Engineer: Complex Data & React

Cerebre; Województwo wielkopolskie; Remote; PLN 180,000 - 300,000; Full time

Benefits offered by this job

100% remote

Flexible time-off

Job summary

Cerebre is hiring a Senior Fullstack Engineer with strong React and TypeScript experience. You will work across the application stack, focusing on frontend while solving complex data problems that extend beyond typical dashboards and forms.

You will collaborate with frontend and backend engineers, Product, and Design to shape solutions, push architecture decisions, and own features end to end in a 100% remote team. English proficiency at least B2 is expected.

Qualifications

• 7+ years of professional software development experience.
• Strong commercial experience with React and TypeScript.
• Proven experience building and maintaining large, complex web applications.
• Experience across frontend and backend boundaries, including APIs, data modelling, integrations, or architecture.

Responsibilities

• Build and evolve complex functionality in a large React and TypeScript application.
• Develop highly interactive application interfaces with complex user interactions, state, logic, and dependencies.
• Work with structured, hierarchical, interconnected, and multidimensional data.
• Implement logic for navigating, transforming, filtering, grouping, and connecting data.
• Work across frontend and backend boundaries when needed to deliver complete solutions.
• Collaborate on APIs, data models, integrations, and system boundaries.
• Understand how data representation impacts application architecture and behavior.
• Consider performance, memory usage, scalability, and computational cost when working with complex data.
• Build new functionality while maintaining and improving features already used by customers.
• Work with asynchronous processes, backend services, APIs, and data flows.
• Understand the broader impact of changes across interconnected areas of the product.
• Collaborate with frontend and backend engineers on technical solutions.
• Work with Product and Design to shape solutions, not only execute predefined tasks.
• Investigate problems, gather missing information, and propose solutions when requirements are incomplete.
• Participate in architectural and technical decisions.
• Take ownership of problems from initial investigation through implementation and delivery.
• Write clean, maintainable, production-ready code.

Skills

React

TypeScript

Fullstack

API design

Large-scale apps

English (B2+)

Tools

GitLab

CI/CD

.NET/C#

D3.js

WebGL

Job description

Cerebre is hiring a Senior Fullstack Engineer with strong React and TypeScript experience. You will work across the application stack, focusing on frontend while solving complex data problems that extend beyond typical dashboards and forms.

You will collaborate with frontend and backend engineers, Product, and Design to shape solutions, push architecture decisions, and own features end to end in a 100% remote team. English proficiency at least B2 is expected.