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Nicolas Zim
From Portugal
$100,000/yr

Active over a week ago


Member since Feb 2026

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Senior Front-end / Full-stack

Full-Stack Engineer
Available for hire
Years of experience
7+ years
Experience level
Senior
Available for
Full-time
Available from
24 Jul 2026
Download Resume / CV

Full-stack/Front-end Developer with 7 years of experience in web development and engineering of end to end web systems, strongly interested in positions in Switzerland holding Swiss work permit B and Italian citizenship. Looking for new opportunities with focus in career growth and team building. I'm eager to put my +100% focus in learning and introducing myself into the Swiss culture and local languages immediately.

Employment History

Senior Front-End & Tech Lead at PrimeIT Current 2024 - Now
• Provided technical leadership and strategic direction for modernizing a legacy platform using React 19, TypeScript, Tailwind CSS, and component libraries (shadcn/ui, Radix UI), achieving a ~50% codebase reduction and enhanced front-end performance. • Conducted system audits and technical analysis to identify architectural flaws, defining the future technical roadmap. • Identified and resolved critical technical debt and DevOps inefficiencies, implementing cost-saving optimizations. • Engineered robust CI/CD pipelines on Azure DevOps and established comprehensive end-to-end (E2E) testing with Playwright, unifying development workflows. • Led knowledge transfer and onboarding for cross-functional teams, including developers, Product Owners (POs), and IT leadership, and successfully advocated for hiring a dedicated UX/UI Designer.
Mid Full-Stack Developer at PPAYA Energy 2022 - 2024
• Promoted to cover critical backend duties after a senior departure, becoming a key contributor in modernizing a legacy Python platform to a new SaaS product. • Led front-end development with React and TypeScript, and built back-end services with Node.js, contributing to the full-stack rebuild and decommissioning of the legacy system. • Played a pivotal role in identifying and resolving a critical system flaw, coordinating damage control directly with the CEO to prevent over £50,000 in potential damages. • Owned the data migration strategy, successfully migrating data from DynamoDB to PostgreSQL. • Architected and migrated microservices from AWS to DigitalOcean, improving infrastructure efficiency. • Mentored three junior developers through code reviews and technical guidance, and contributed to hiring and project planning with the CTO. • Designed and implemented a core pricing algorithm capable of processing hundreds of thousands of data points to generate accurate commercial quotes.
Freelance Project Lead & Full-Stack Developer at NDA 2021 - 2021
• Independently secured, managed, and delivered a year-long custom e-commerce project, acting as the primary client liaison for requirements, scope, budget, and timeline. • Led full-stack development, building the customer-facing platform and admin panel with React and TypeScript. • Developed the Backend-for-Frontend (BFF) layer using Node.js (Express.js) and contributed to backend logic in Python. • Hired and coordinated a specialized team, including a back-end developer and two designers. • Engineered and delivered a complete, customisable platform with a PostgreSQL database, integrated payment processing, and inventory management.
Full-Stack Developer at Coeficiente Sistemas LTDA 2019 - 2021
• Joined as the first dedicated developer, progressing from Junior Front-End to Mid Full-Stack, leading the complete technological modernization of the company's core products. • Built the company's first SaaS platform from scratch using Django and PostgreSQL for the backend. • Engineered a second-generation platform with a React and TypeScript front-end and a Node.js Backend-for-Frontend (BFF). • Contributed to team growth by participating in the hiring process for two back-end developers and a DevOps specialist. • Managed the PostgreSQL database and personally developed the company's public landing page. • Supported the infrastructure migration from AWS to DigitalOcean, gaining hands-on DevOps and deployment experience. • Involved in the full software lifecycle, including project planning and management from inception.

Education

Online course - Software Development at Curso.dev Current 2025 - Now
Bootcamp - Building Websites from Scratch at Rocketseat 2020 - 2020
Computer Science Technician at SATC 2016 - 2017