
Arnau
From Spain (UTC+2)
12 years of commercial experience
Lemon.io stats
1
projects done280
hours workedOpen
to new offersArnau – FastAPI, Python, AWS
Arnau is a seasoned software engineer with extensive experience in Python and React, spanning over a decade. His proficiency extends to other programming languages like Python and Go, showcasing his versatility and adaptability. Arnau's proactive approach, coupled with his wealth of experience, positions him as an invaluable addition to any team, whether as an engineer, Tech Lead, or potential CTO.
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Let’s get started today!Experience Highlights
CTO
As part of the first batch of hires for the start-up, Arnau joined a team of eight as a Lead Software Engineer to help build stock market and cryptocurrency tools for automated live trading, backtesting, and optimization. He helped the company to professionalize their tools from prototypes into production-ready products with languages like Golang, Python, and TypeScript deployed on AWS with IAC through Terraform. After three short months, he was promoted to Chief Technology Officer, through which he continued to help the company translate business needs into technical requirements and set the foundations required for the company to grow.
- Pioneered Automated Trading Tools: Developed sophisticated stock market and cryptocurrency tools for live trading, backtesting, and optimization.
- Professionalized Software Tools: Transformed prototypes into production-ready products using Golang, Python, TypeScript, and AWS, enhancing the company's technological capabilities.
- Promoted to Chief Technology Officer: Quickly advanced to a leadership role, translating business needs into technical requirements and laying the groundwork for the company's growth.
CTO, Co-founder
Together with two partners, launched a startup in healthcare. At Dentalpic, Arnau is helping build a product to give users an instant overview of the health of their mouth by taking a few pictures and passing them through Dentalpic's AI image analysis engine.
- Launched a Healthcare Startup: Co-founded Dentalpic, a startup revolutionizing oral health diagnostics using AI image analysis.
- Led Product Development: Utilized TensorFlow, Python, Golang, and MongoDB in developing a user-friendly product for instant oral health assessments.
- Established Productive Engineering Teams: Built the foundation for efficient and effective engineering teams, contributing to the startup's rapid progress.
- Organized Fundraising Efforts: Actively participated in fundraising activities, securing the financial resources needed for startup growth.
Senior Software Engineer
A very large company with over six thousand employees that helps deliver paper products to millions of people around the world. They made heavy use of microservices built with TypeScript with Serverless and React on AWS lambdas.
- Led the Development of Scalable Microservices: Spearheaded the design and implementation of robust microservices using TypeScript, significantly enhancing the delivery and scalability of the software architecture.
- Pioneered Serverless Architecture on AWS: Innovated in the deployment of serverless computing using AWS Lambdas, ensuring high availability and cost-effective scaling of the physical product delivery systems.
- Enhanced Global Product Delivery Systems: Played a pivotal role in developing software crucial for the global distribution of paper products, reaching millions of customers worldwide.
- Improved Performance with React-Based Solutions: Utilized React for front-end development, improving user interfaces and enhancing the overall customer experience.
- Managed Temporary Workforce Integration: Successfully integrated as a freelancer into the physical product team, contributing effectively to the team's objectives during high-demand periods.
- Drove Business Growth in Physical Product Sector: Directly contributed to the expansion of the company's physical product business through strategic software development and implementation.
- Optimized Software for High Traffic Loads: Focused on writing software optimized for handling high volumes of user traffic and product orders, ensuring reliability and efficiency.
- Collaborated Across Large Teams: Effectively collaborated in a large organization with over six thousand employees, contributing to cross-functional teams and projects.
Senior Software Engineer
A product that allows people to reach out to their contacts at the right time, with the right context. Arnau joined an already mature project to help it scale and be ready for mass release.
- Scaled Mature Projects: Assisted in scaling a mature product for mass release, focusing on backend engineering.
- Enhanced System Robustness: Strengthened existing systems to support growing traffic and user demand.
- Optimized Development Processes: Utilized Python & FastAPI on AWS & Terraform, implementing CI pipelines for rapid and reliable service delivery.
- User value-focused development: Focused on user experience and user value throughout the development process.
Senior Software Engineer
A webRTC solution for a social video startup. Services were built on AWS infrastructure, using CI pipelines for iterative development, and were designed to be fault-tolerant and self-healing.
- Architected WebRTC Solutions: Designed and implemented microservices for a social video startup, facilitating user-coach interactions.
- Managed High Traffic Growth: Supported 2 million streamed minutes with a weekly 10% growth in traffic through services mainly coded in Golang & Python.
- Developed Comprehensive Technical Infrastructure: Built the technical foundation for the startup, including mobile apps, ensuring fault tolerance and self-healing capabilities.
Senior Software Engineer
Foundational software for prototypes and launches of new businesses in the hotel and travel industries in a variety of tech stacks (Python, Golang, PHP & others). He worked as a technical account manager to develop a wide variety of technical solutions to different challenges.
- Developed Software for New Business Ventures: Created foundational software for startups in the hotel and travel industries using diverse tech stacks.
- Served as Technical Account Manager: Addressed various technical challenges, delivering tailored solutions across multiple projects.
- Leadership: Led a 12-person team that became the most profitable team in the entire company.