At Napptilus, we're growing and want you to be part of it! We are looking for a mid/senior-level professional with experience as a FrontEnd Developer. You will be working on a web platform with a high volume of data flow, which is why we're seeking someone eager to take on the challenge and bring a lot to the table. About Us: Napptilus is a group of tech companies that provide software development services and create their own startups. Our group has over 15 years of experience in the tech sector, made up of a diverse team of engineers, tech gurus, designers, marketing strategists, and entrepreneurs. This complete team allows us to offer the latest technology to companies that trust us. Along with extensive experience in web solution development, native iOS and Android apps, and hybrid applications, we also invest in R&D in fields such as Artificial Intelligence, virtual assistants, 3D reconstruction, biometrics, and Big Data. Some of the startups we have launched into the market include Bibulu, StageInHome, TracksCo2, Earthdas, Pinroute, Dada, Magnetika, Vodity, and iFamilyNetworks. Tareas What We're Looking For: - Delivery of high-quality, well-structured code. - Familiarity with SPA development. - Technologies: HTML5, CSS3, JavaScript, TypeScript. - ReactJS, React Hooks, Redux. - Node.js, Express. - Experience with testing: Jest, Enzyme, Mocha, Chai. - Build tools like Webpack. - Git. - SCRUM methodology. - Adaptability to different environments. - Interest in various technologies. Requisitos What We Offer: - Permanent contract. - Flexible hours and remote work options. - Competitive salary. - 25 days of annual vacation. - Professional growth. - Great work environment. - Be part of an enthusiastic team filled with professionals you can learn from. - Contribute to a project with an impact on millions of users. - Ongoing training, flexible learning, and development through internal workshops. - Option for restaurant, public transport, and childcare vouchers. - Health insurance. - Breakfast delivered to your home on your birthday. - After-work activities: drinks, go-karting, paddle tennis, outings, dinners, etc. - Work at Pier 01 Barcelona Tech City, by the sea.

• Frontend Architecture & Development: Design, build, and scale performant, accessible, and maintainable frontend systems using modern frameworks (React, TypeScript). Own key UI architecture decisions, including state management, component design, and application structure. • Design Systems & UX Excellence: Lead the development and evolution of reusable component libraries and design systems that ensure consistency and scalability across the platform. Collaborate closely with design to deliver polished, user-centric interfaces. • Performance & Quality: Optimize application performance, load times, and responsiveness. Establish best practices around testing, observability, and frontend reliability. • Cross-Functional Collaboration: Partner with product managers, designers, and backend engineers to deliver seamless, end-to-end features. Translate complex domain requirements into intuitive UI/UX solutions.

• Lead and execute digital forensics and incident response investigations across enterprise environments. • Serve as a technical lead on incident response engagements, guiding investigative strategy and forensic analysis. • Conduct advanced host, network, and cloud investigations to identify root cause, attacker behavior, and scope of compromise. • Perform forensic acquisition and analysis of systems, memory, logs, and endpoint telemetry. • Utilize industry-standard DFIR tooling and methodologies to analyze malicious activity and support incident containment. • Collaborate with Consulting Directors and cross-functional teams to deliver high-quality client outcomes during security incidents. • Provide clear technical findings and remediation guidance to clients and internal stakeholders. • Maintain up-to-date knowledge of emerging threats, attacker techniques, and the evolving threat landscape. • Support development of incident response playbooks, tools, and methodologies to improve investigation efficiency. • Contribute to knowledge sharing and mentorship within the Unit 42 DFIR team.

This is a Talent Pool position. We don’t have an immediate start date available, but we want to get to know you now so we can reach out as soon as a future role opens up! Senior Frontend Developers are the technologists who cultivate this environment while driving teams toward delivering on an aspirational tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve complex business problems and proactively assess your team’s health, code quality and nonfunctional pipelines. Senior Frontend Developers are the main drivers and champions of those practices in delivery teams, exemplifying and demonstrating what “good” looks like from a Thoughtworks engineering perspective. Job responsibilities - You will learn and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns - You will use and advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible - You will work in collaborative, value-driven teams to build innovative customer experiences for our clients - You will collaborate with a variety of teammates to build features, design concepts and interactive prototypes and ensure best practices and UX specifications are embedded along the way. - You will create scalable UI systems that are delightful, high functioning and accessible to all audiences - You will efficiently use DevSecOps tools and practices to build and deploy software, advocating devops culture and shifting security left in development - You will learn, digest and subsequently apply the latest technology thinking from our Technology Radar to solve client problems - You will oversee or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between - You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills Job qualifications Technical Skills - Core Frontend: Solid experience with JavaScript/TypeScript and React (familiarity with Angular or Vue is a plus) - Web Standards: Proficiency in HTML5, CSS3, and developing modular, cross-browser components with a focus on UX/UI principles - Cloud & Infrastructure: Hands-on experience with at least one major Cloud platform (AWS, Azure, or GCP) and Docker/Kubernetes - Engineering Practices: Knowledge of SQL, Kafka, and CI/CD pipelines - Quality & Methodology: Strong grasp of TDD, Clean Code, and Agile environments (Scrum, Kanban, or XP) - Advanced English is required Professional Skills - You enjoy influencing others and always advocate for technical excellence while being open to change when needed - You have a presence in the external tech community and willingly share your expertise with others via speaking engagements, contributions to open source, blogs and more - You are resilient in ambiguous situations and can approach challenges from multiple perspectives Other things to know Learning & Development There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys. About Thoughtworks Thoughtworks is a global technology consultancy that integrates strategy, design and engineering to drive digital innovation. For 30+ years, our clients have trusted our autonomous teams to build solutions that look past the obvious. Here, computer science grads come together with seasoned technologists, self-taught developers, midlife career changers and more to learn from and challenge each other. Career journeys flourish with the strength of our cultivation culture, which has won numerous awards around the world. Join Thoughtworks and thrive. Together, our extra curiosity, innovation, passion and dedication overcomes ordinary. See here our AI policy.