Frontend Engineer

Arcesiumllc; Lisboa; Presencial; EUR 42 000 - 66 000; Tempo integral

Resumo da oferta

Arcesium is hiring bright software engineers to build next-generation UI for sophisticated asset managers. You will craft high-performance UIs with virtualization, partner with product/design teams, and develop a robust BFF layer in Node.js/TypeScript.

You’ll contribute to a shared design system using MUI and collaborate across backend teams to ensure smooth API contracts. Ideal candidates have 2–5 years in IT, strong JavaScript/TypeScript skills, and experience with data grids, performance

Qualificações

• 2–5 years of IT industry experience with a degree in engineering.
• Hands-on web development experience using HTML5, JavaScript, TypeScript, React, CSS, and TDD.
• Proficient in core JavaScript and TypeScript concepts.
• Understanding of BFF patterns, component decomposition, and state management.
• Experience building data grids with virtualization and filtering at scale.
• Familiarity with Material UI and design systems; accessible UI components.
• Experience with Node.js/Express for server-side rendering or BFF work is a plus.
• Interest in AI-assisted development tools is a plus.

Responsabilidades

• Build high-performance, data-dense UIs with virtualization and complex workflows.
• Collaborate with Product Managers/Designers to rollout Modern UI and improve usability.
• Architect and develop BFF layer using Node.js/TypeScript to orchestrate data.
• Create reusable components in Arc Design System (MUI-based) for consistency.
• Define and review API contracts with backend teams and stakeholders.
• Explore AI-assisted tooling to enhance UI scaffolding and migration tooling.

Conhecimentos

HTML5

JavaScript

TypeScript

React

CSS

TDD

BFF patterns

State management (MobX)

Web performance optimization

Data grids / virtualization

Material UI (MUI)

Design system

AI-assisted development tools

JavaScript fundamentals

Node.js

Express

Formação académica

Bachelor's degree in engineering

Ferramentas

Node.js

Express

Descrição da oferta de emprego

Company Overview

Arcesium is a global financial technology firm that solves complex data-driven challenges faced by some of the world’s most sophisticated financial institutions. We constantly innovate our platform and capabilities to meet tomorrow’s challenges, anticipate the risks our clients encounter, and design advanced solutions to help our clients achieve transformational business outcomes.

Financial technology is a high-growth industry as change and innovation continue to disrupt the status-quo and prompt major transformation. Arcesium is at a particularly interesting time in our own growth as we look to leverage our successfully established market position and expand operations in pursuit of strategic new business opportunities. We value intellectual curiosity, proactive ownership, and collaboration with colleagues, and we empower you to meaningfully contribute from day one and accelerate your professional development.

We are looking for bright and exceptional software engineers to join our technology team. You will build next-generation software used by some of the most sophisticated alternative asset managers, and play a central role in Arcesium's platform experience

What You'll Do:

• Build high-performance, data-dense UIs featuring virtualized grids, advanced column management, real-time status views, and complex multi-step financial workflows
• Work with Product Managers and Designers to drive the Modern UI rollout in delivering parity with legacy screens while meaningfully improving usability, navigation, and accessibility
• Architect and develop the Backend for Frontend (BFF) layer using Node.js/TypeScript to orchestrate, stitch, and transform data from multiple backend services for efficient UI consumption
• Build and maintain reusable components in the Arc Design System (MUI-based), ensuring consistency across opt-in/opt-out flows, column customizers, filter panels, and shared UI patterns
• Collaborate with backend teams to define and close API contracts, and work with non-technical stakeholders to review and validate usability and experience quality
• Contribute to AI-assisted development workflows, including prompt-driven component scaffolding, AI-powered legacy app migration tooling, and embedding agent interactions into UI

What You'll Need:

• A bachelor's degree in engineering with 2-5 years of experience in the IT industry
• 2+ years of hands-on web development with HTML5, JavaScript, TypeScript, React, CSS, and TDD practices
• Strong command of core JavaScript (closures, event loop, prototype chain, async/await) and TypeScript (generics, strict typing)
• Solid understanding of architectural principles including BFF patterns, component decomposition, state management (MobX or equivalent), and web performance optimization
• Practical experience building and optimizing data grids, including virtualization, lazy loading, column configuration, and filtering at scale
• Experience with Material UI (MUI) and design system principles; ability to build accessible, consistent UI components aligned to a shared design language
• Experience with Node.js/Express for server-side rendering or BFF development is preferred
• Curiosity and comfort working with AI-assisted development tools (LLM-based coding, prompt engineering for UI scaffolding) is a huge plus

Recruiting Security

Emails from genuine Arcesium recruiters who are employees of the company will always come from the @arcesium.com domain. In some cases, you may also be contacted by independent search firms engaged to recruit on our behalf; emails from their employees should always come from their firm's applicable domain. We'll never ask for your banking information or any payment as part of the recruiting process. If something seems off or you're contacted by an unexpected third party, please reach out to us at [e-mail] (US/UK), [e-mail] (India) or [e-mail] (Portugal/Sweden).

Arcesium is an equal opportunity employer.