Open to opportunities

Marta Berlin

@martaci

Senior Frontend Engineer delivering high-performance React/TypeScript apps and design systems through scalable micro-frontends.

Spain

Message

What I'm looking for

I’m looking for a role where I can lead frontend architecture—micro-frontends, design systems, and strong testing/CI/CD—while shipping high-performance React/TypeScript products and collaborating closely with product to deliver reliable outcomes.

I’m a Senior Frontend Engineer with 12+ years of experience specializing in JavaScript (ES6+), React, TypeScript, GraphQL, and micro-frontend architecture. I build scalable component libraries and architect modern frontends that perform reliably across teams and product lines.

In my current role as a Senior Fullstack Engineer, I build web and mobile features with React, React Native, GraphQL/Apollo, and Next.js (App router + SSR). I also lead platform reliability work with CI/CD (GitHub Actions, CircleCI), automated deployments (Terraform, AWS), and infrastructure automation.

I’m quality-obsessed: I improve outcomes with Jest, React Testing Library, Playwright, and Cypress (plus TestCafe where needed). Previously, I’ve also served as Tech Lead, leading a team of 5 engineers, mentoring, and managing technical recruitment while partnering with Product Owners on roadmaps.

Experience

Work history, roles, and key accomplishments

Current

Senior Fullstack Engineer

Current

Relive

Oct 2023 - Present (2 years 8 months)

Built web and mobile features using React, React Native, TypeScript, GraphQL (Apollo), and Next.js (App Router + SSR). Developed a design system with Storybook and automated CI/CD and deployments using GitHub Actions, Terraform, AWS, and Kubernetes while improving quality with Jest and Playwright.

React React Native TypeScript GraphQL React Router CircleCi Terraform AWS

Senior Software Engineer

SAP Signavio

Oct 2021 - Sep 2023 (1 year 11 months)

Developed micro-frontends using React, GraphQL, and Webpack and built scalable frontend architecture for high-performance applications. Orchestrated deployments with CircleCI, AWS, and Kubernetes and ensured quality with Jest and TestCafe.

React TypeScript GraphQL Webpack CircleCi AWS Kubernetes Jest TestCafe

Tech Lead

CoachHub

Apr 2019 - Mar 2021 (1 year 11 months)

Led a team of 5 engineers through mentorship and professional development while partnering with Product Owners to define requirements and project roadmaps. Delivered an Augmented Reality game feature and drove technical hiring, evaluation of new tools, and system enhancements.

Engineering Leadership Technical Mentorship Hiring System Architecture Agile Delivery Communication

Senior Frontend Engineer

Kiron Open Higher Education

Oct 2017 - Feb 2019 (1 year 4 months)

Developed a frontend platform using React, Node.js, Webpack, SASS, and Semantic UI. Implemented high-performance GraphQL data fetching with Apollo and ensured reliability with Jest and Cypress.

React Node Webpack SASS Semantic UI GraphQL Jest Cypress Frontend Architecture

Senior Frontend developer

Kitchen Advisor - Kiveda Holding GmbH

Nov 2015 - Apr 2017 (1 year 5 months)

• Development of the company’s website and tools using Bootstrap, React, Node, Webpack
• Acceptance test with CodeceptJS
• Acceptance test with CasperJs
• Set up and configuration of tracking tools, Econda, Woopra and GoogleAnalytics.
• Implementation of A/B testing.