Senior Frontend Engineer - Acquisition

Jobgether; España; Remote; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Competitive pay

Stock options

Health benefits

Home-office setup

Monthly stipend

Remote-first environment

International collaboration

Career growth

Technical impact

Inclusive workplace

Job summary

Jobgether, on behalf of a partner company, seeks a Senior Frontend Engineer – Acquisition based in Spain to shape web and mobile trading interfaces. You will design, implement, and maintain high‑quality UIs across platforms, collaborating with product, design, and engineering to deliver end‑to‑end features.

You will drive frontend architecture, champion performance and accessibility, mentor engineers, and contribute to real‑time trading experiences via REST APIs and WebSockets in a remote‑first,

Qualifications

• 5+ years of professional frontend development experience with TypeScript and React.
• 3+ years of mobile development for Android and iOS.
• 2+ years of systems programming with Go, C++, or Rust.
• Strong HTML, CSS, and Tailwind CSS skills for responsive UIs.
• Experience with REST APIs and WebSockets for real‑time data.

Responsibilities

• Design, build, and maintain scalable, high-performance web and mobile applications.
• Lead end‑to‑end feature ownership from design to deployment and improvement.
• Collaborate with product, design, and engineering for intuitive interfaces.
• Optimize user experience with responsive, accessible UI across platforms.
• Mentor teammates and influence frontend architectural decisions.
• Implement reliable API and real‑time integrations with REST and WebSockets.
• Drive frontend performance improvements and code quality.

Skills

TypeScript and React

Mobile development (Android/iOS)

Systems programming (Go/C++/Rust)

HTML, CSS, Tailwind CSS

REST APIs & WebSockets

SQL and relational databases

Frontend architecture & standards

Performance & accessibility

Communication & teamwork

Remote collaboration

Fintech/trading domain (preferred)

Cloud platforms (GCP)

Startup environment (preferred)

Ownership & initiative

Job description

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Frontend Engineer – Acquisition based in Spain.

As a Senior Frontend Engineer, you will help shape the digital experiences powering modern brokerage and trading technology. You will design, develop, and maintain high-quality web and mobile applications that enable customers to access sophisticated financial products through intuitive, reliable interfaces. Working within a specialized engineering team, you will contribute to Trading API products, including trading dashboards, cash management features, and account solutions. You will collaborate closely with product, design, and engineering stakeholders to deliver end-to-end features with a strong focus on performance, accessibility, responsiveness, and visual quality. Beyond hands‑on development, you will influence frontend architecture, establish engineering best practices, and mentor fellow developers. Joining a globally distributed, engineering‑driven environment, you will have the opportunity to make a meaningful impact on financial technology used by millions of account holders worldwide.

Accountabilities

• Frontend architecture and development: Design, build, and maintain scalable, high-performance web and mobile applications using modern frontend technologies, ensuring excellent usability and maintainability.
• Product development: Contribute to the development of Trading API products, including trading dashboards, high‑yield cash features, paper trading accounts, and other customer‑facing capabilities.
• End‑to‑end feature ownership: Lead the delivery of high‑impact features and projects from initial design and technical planning through implementation, testing, deployment, and ongoing improvement.
• User experience optimization: Collaborate with product managers, designers, and engineering colleagues to translate product requirements and design mockups into polished, intuitive, responsive, and accessible interfaces.
• Mobile application development: Build and improve mobile experiences across iOS and Android, ensuring consistency, reliability, and performance across platforms.
• API and real‑time integrations: Implement reliable integrations with REST APIs and WebSockets, supporting efficient data exchange and responsive trading experiences.
• Performance and quality: Identify and resolve frontend performance bottlenecks, improve application responsiveness, and maintain high standards for code quality, accessibility, and visual consistency.
• Technical leadership: Establish and promote frontend development best practices, contribute to architectural decisions, and help shape the team's technical direction.
• Mentorship and collaboration: Support and mentor fellow engineers through code reviews, technical discussions, knowledge sharing, and collaborative problem‑solving.
• Cross‑functional delivery: Work closely with internal stakeholders to align technical implementation with customer needs, product objectives, and business priorities.
• Continuous improvement: Evaluate emerging technologies and development practices, identifying opportunities to improve engineering efficiency, product quality, and the overall customer experience.

Requirements

• Frontend development experience: At least five years of professional frontend development experience, with strong expertise in TypeScript and React.
• Mobile development experience: At least three years of experience developing mobile applications for both Android and iOS.
• Systems programming knowledge: At least two years of experience using a modern systems programming language such as Go (Golang), C++, or Rust.
• Frontend technologies: Strong proficiency in HTML, CSS, and modern styling frameworks such as Tailwind CSS, with the ability to build polished, responsive, and accessible user interfaces.
• API and real‑time communication: Practical experience integrating REST APIs and WebSockets, with an understanding of best practices for reliable and efficient data communication.
• Database knowledge: Experience working with relational databases and SQL.
• Design implementation: The ability to translate product specifications, wireframes, and visual mockups into accurate, production‑ready interfaces with a strong attention to detail.
• Frontend architecture and standards: A proven track record of establishing or influencing frontend best practices, making sound technical decisions, and maintaining high standards for code quality and maintainability.
• Performance and user experience: A strong interest in creating intuitive, visually appealing, and performant applications, with a focus on usability, responsiveness, and accessibility.
• Communication and teamwork: Excellent communication and collaboration skills, with the ability to work effectively across distributed, cross‑functional teams.
• Ownership and initiative: A proactive approach to problem‑solving, the ability to manage complex technical projects, and a commitment to continuous learning and improvement.
• Financial technology experience (preferred): Familiarity with financial markets, brokerage platforms, or algorithmic trading through professional or personal projects.
• Cloud technology experience (preferred): Experience with major cloud platforms, particularly Google Cloud Platform (GCP).
• Startup experience (preferred): Previous experience working in a startup or fast‑growing technology organization.
• Remote work experience (preferred): Familiarity with remote collaboration, asynchronous communication, and distributed engineering workflows.

Benefits

• Competitive compensation: A competitive salary package aligned with experience, skills, and the scope of the role.
• Stock options: The opportunity to participate in the company's long‑term growth through equity‑based compensation.
• Health benefits: Access to health benefits designed to support your physical wellbeing and healthcare needs.
• Home‑office setup allowance: A one‑time allowance of USD $500 to help equip your home workspace.
• Monthly work stipend: USD $150 per month provided through a Brex card to support eligible work‑related expenses.
• Remote‑first environment: Work remotely as part of a globally distributed team spanning multiple countries and time zones.
• International collaboration: Work alongside experienced engineers, financial technology specialists, and product professionals in a diverse, international environment.
• Professional growth: Opportunities to influence technical strategy, mentor other engineers, and contribute to products serving a global customer base.
• Meaningful technical impact: Help build and improve financial infrastructure and developer‑friendly APIs supporting a wide range of financial institutions and trading applications.
• Inclusive workplace: Join an organization committed to equal employment opportunities and building a diverse workforce.

We appreciate your interest and wish you the best!