Senior Fullstack Engineer – React & Complex Data

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SeniorZdalnie·PoznańFull-time

#466555·Dodano 4 dni temu·12

Źródło: cerebre

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Tech Stack / Keywords

React TypeScript JavaScript D3.jsPixiJSSVGCanvasWebGL.NET C#

Podsumowanie oferty

Build and evolve a large enterprise application used by customers in the industrial world, where users explore and interact with complex engineering data. Work across the application stack, with a strong frontend focus, using React and TypeScript.

Wymagania

7+ years of professional software development experience.
Strong commercial experience with React and TypeScript, and strong JavaScript fundamentals.
Proven experience building and maintaining large, complex web applications, including interfaces with complex state, business logic, asynchronous behavior, and feature dependencies.
Experience working in large existing codebases where changes can affect multiple areas of a product.
Experience across frontend and backend boundaries, including APIs, data modelling, integrations, or application architecture, and integrating frontend applications with backend services and APIs.
Practical experience with non-trivial structured or interconnected data, such as trees, graphs, matrices, hierarchical, spatial, or multidimensional data.
Ability to explain how data was represented, transformed, and used in an application, including where data representation affected implementation, architecture, or performance.
Strong problem-solving and analytical skills, including reasoning about performance with large or complex datasets.
Ability to work independently with incomplete requirements, ask questions, gather missing information, and proactively move work forward.
Strong collaboration and communication skills.
English at least B2 level.

Nice to have:

Experience solving algorithmic or data-structure problems, including graph or tree traversal, shortest path, matrix operations, or multidimensional data processing.
Experience with large datasets or performance-sensitive data processing.
Experience with diagrams, editors, workflow systems, maps, CAD-like applications, or interfaces built around interconnected data.
Experience with interactive visualization using D3.js, PixiJS, SVG, Canvas, or WebGL.
Stronger commercial backend development experience; experience with .NET / C#; or knowledge of backend concepts such as authentication, databases, API design, data modelling, and distributed systems.
Experience with mature products that include legacy functionality and complex dependencies, products used by multiple customers or user groups, or working in a product company over a longer period.
Experience with GitLab and CI/CD.
Experience in a fast-changing R&D or product environment.

Obowiązki

Build and evolve complex functionality in a large React and TypeScript application.
Develop interactive interfaces with complex state, logic, user interactions, and dependencies.
Work with structured, hierarchical, interconnected, and multidimensional data; implement logic to navigate, transform, filter, group, and connect it.
Work across frontend and backend boundaries, including asynchronous processes, backend services, APIs, integrations, and data flows.
Collaborate on APIs, data models, integrations, and system boundaries.
Consider performance, memory usage, scalability, and computational cost when working with complex data.
Maintain and improve existing customer-facing functionality while extending the product.
Collaborate with engineering, Product, and Design; investigate incomplete requirements, propose solutions, and participate in architectural and technical decisions.
Take ownership of problems from investigation through implementation and delivery, and write clean, maintainable, production-ready code.

Benefity

A competitive time-off package.

cerebre

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