Twilio Frontend Engineer

Mindera is looking for a talented Frontend Engineer with hands-on expertise in Twilio integrations to help build intuitive, scalable, and high-performance customer communication experiences. You will collaborate closely with cross-functional teams to develop user interfaces for contact-center solutions, workflow dashboards, and communication tools powered by Twilio.RequirementsKey Responsibilities Develop modern, responsive UI components and dashboards using React (or your frontend framework of choice). Integrate frontend applications with Twilio products including Twilio Flex, Twilio Conversations, Voice, Messaging, and Studio. Customize Twilio Flex UI using plugins, components, themes, and Flex SDK. Build user flows for contact center operations—agent UI, supervisor dashboards, call/chat routing visuals, etc. Create reusable frontend components and frameworks aligned with product design systems. Collaborate with backend teams to integrate APIs, webhooks, and real-time communication (WebSockets, REST, or GraphQL). Optimize performance, accessibility, and UX across all frontend touchpoints. Ensure communication UIs are robust, scalable, and maintainable. Troubleshoot production issues and provide support for Twilio-related UI behavior. Work with stakeholders (PMs, UX, QA, Architects) to deliver polished customer-facing experiences. Required Skills & Qualifications 3+ years of frontend development experience (React preferred). Strong knowledge of JavaScript/TypeScript, HTML5, CSS3, and modern frontend tooling. Hands-on experience with Twilio Flex, Flex UI customization, or Twilio frontend SDK integrations. Understanding of REST APIs, authentication, and event-driven UI patterns. Experience with state management (Redux, Zustand, MobX, React Query, etc.). Familiarity with real-time communication concepts (WebRTC, WebSockets). Strong debugging and problem-solving skills. Nice to Have Experience with Twilio Studio, Twilio Functions, or backend components for communication flows. Knowledge of Google CCAI, Zendesk, or other contact-center platforms. Experience in cloud environments (GCP / AWS / Azure). Understanding of UI/UX best practices and accessibility standards. Exposure to CI/CD pipelines and automated testing (Jest, Cypress, Playwright). Soft Skills Strong communication and team-collaboration abilities. Ability to work independently and take ownership of features. Comfortable working in Agile environments with distributed teams. Attention to detail and a product-driven mindset.BenefitsWe OfferCompetitive salaryAnnual bonus, subject to company performanceAccess to Udemy online training and opportunities to learn and grow within the roleAbout MinderaAt Mindera we use technology to build products we are proud of, with people we love.Software Engineering Applications, including Web and Mobile, are at the core of what we do at Mindera.We partner with our clients, to understand their product and deliver high performance, resilient and scalable software systems that create an impact in their users and businesses across the world.You get to work with a bunch of great people, where the whole team owns the project together.Our culture reflects our lean and self-organisation attitude. We encourage our colleagues to take risks, make decisions, work in a collaborative way and talk to everyone to enhance communication.We are proud of our work and we love to learn all and everything while navigating through an Agile, Lean and collaborative environment.Follow our Linkedln page - Check ot our Blog: and our Handbook: Our offices are located: Aveiro, Portugal | Porto, Portugal | Leicester, UK | San Diego, USA | San Francisco, USA | Chennai, India | Bengaluru, India