Senior Fullstack Engineer - React

Cerebre; Województwo wielkopolskie; Remote; PLN 469,000 - 704,000; Full time

Job summary

Cerebre is seeking a Senior Fullstack Engineer to help build and evolve a large, complex web application used by enterprise customers in the industrial world. You will own frontend work with React and TypeScript and collaborate across frontend, backend, product, and design to deliver scalable solutions.

You will work on an interactive application layer that enables users to explore, understand, and work with interconnected data, while maintaining and enhancing existing features.

Qualifications

• 7+ years of professional software development experience.
• Strong React and TypeScript experience.
• Experience with large, complex web apps and data-driven interfaces.
• Ability to work independently when requirements are not fully defined.
• At least B2 English level.

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.
• Consider the broader product impact of changes and understand how different areas of the application interact.
• Build new functionality while maintaining and improving features already used by customers.
• Work with structured and interconnected data, asynchronous processes, backend services, and APIs.
• Collaborate closely with frontend and backend engineers on technical solutions and implementation.
• Work closely with the Product team to understand problems, shape solutions, and contribute beyond simply executing predefined tasks.
• Investigate problems, gather missing information, and propose solutions when requirements are not fully defined.

Skills

React

TypeScript

Large web apps

Async behavior

Code quality

English (B2)

Independent work

Problem solving

Collaboration

GitLab

CI/CD

C#

Tools

GitLab

CI/CD

REST APIs

C#

Job description

cerebre is on a mission to build the data foundation of the physical world. We offer a live intelligence map of a facilities – built from schematics to power AI. Often called the “brain” of the digital twin, cerebre helps engineers, data scientists, and business teams understand data within the context of the plant.
We collaborate with the world’s largest companies and most innovative partners who are transforming the industrial sector.
cerebre is a global team of engineers, scientists, innovators, and explorers united by a mission to help the world’s largest manufacturing facilities build and use intelligence.
Our development team is made up of world-class engineers who design and deliver novel solutions. This is an opportunity to join a market-leading team that is changing how the industrial world works.
If you love building and creating value in the “white space,” if you thrive with the freedom and flexibility to think outside the box, if you are passionate about working with critical thinkers who challenge the status quo, and if you aspire to work in a fast-paced environment – we would love to meet you!
We believe flexibility drives creativity and that our team should live and work where we can be our best selves. We’re 100% remote and offer a competitive time-off package to ensure time for rest and recharge.

About the role

We are looking for a Senior Fullstack Engineer with strong React and TypeScript experience to help us build and evolve a large, complex web application used by enterprise customers in the industrial world.

This is application development rather than website development . You will work on a mature product with interconnected modules, rich user interactions, complex application logic, and functionality that continues to evolve over time.

You will work on the highly interactive application layer through which users explore, understand, and work with complex, interconnected information.

You will collaborate closely with frontend and backend engineers, product, and design. We are looking for someone who can navigate a complex product, understand how different parts of the application affect each other, ask the right questions, and take ownership when requirements are not fully defined.

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
• Consider the broader product impact of changes and understand how different areas of the application interact
• Build new functionality while maintaining and improving features already used by customers
• Work with structured and interconnected data, asynchronous processes, backend services, and APIs
• Collaborate closely with frontend and backend engineers on technical solutions and implementation
• Work closely with the Product team to understand problems, shape solutions, and contribute beyond simply executing predefined tasks
• Investigate problems, gather missing information, and propose solutions when requirements are not fully defined

Required Skills

• 7+ years of professional software development experience
• Strong commercial experience with React and TypeScript
• Proven experience building and maintaining large, complex web applications
• Experience building complex application interfaces involving application state, business logic, asynchronous behavior, and dependencies between features
• Experience working with large, existing codebases where changes may affect multiple areas of the product
• Experience integrating frontend applications with backend services and working with structured and interconnected data
• Strong problem solving and analytical skills
• Ability to work independently when requirements are not fully defined
• Ability to ask questions, gather missing information, and proactively move work forward
• Ability to write clean, maintainable, production ready code
• Strong collaboration and communication skills
• At least B2 English level

Preferred Skills

• Experience working in a product company, especially on a product developed and maintained over a longer period of time
• Experience with products used by multiple customers or user groups
• Experience working with mature products that contain legacy functionality and complex dependencies
• Previous full stack or backend development experience, ideally with .NET (C#)
• Understanding of backend concepts such as authentication, databases, API design, and data modelling
• Experience with graphs, trees, diagrams, or other interconnected structures
• Experience with interactive visualization using D3.js, PixiJS, SVG, or Canvas
• Experience solving algorithmic or data structure related problems
• Experience with GitLab and CI/CD
• Experience working in a fast-changing product environment

More about Cerebre

We are cross-functional collaborators.We blend manufacturing process knowledge with software & big data engineering expertise to create value in physical settings
We are experienced. We are armed with industry-leading experts in numerical simulation, combustion, power, computational fluid dynamics, and chemical process modeling
We are serious builders. We develop our platforms using leading practices in IT/OT architecture, OT security, AI architecture, ML Ops, and Platform engineering