Lewis D.

Fullstack Developer

Lewis is an award-winning technologist with over 13 years of commercial experience in agency, in-house startup, and freelance environments.

With a solid engineering background, he is an expert in cloud computing, AI, serverless, and both Backend and Frontend technologies.

Lewis excels in building and managing developer teams, ensuring the delivery of high-quality solutions that meet business objectives. He is skilled at structuring and managing relationships with technical partners, leveraging their expertise to enhance project outcomes. Additionally, Lewis has a proven track record of consulting with businesses to provide bespoke tech solutions tailored to their unique needs.

Main expertise

  • Apollo
    Apollo 3 years
  • WordPress
    WordPress 11 years
  • Bootstrap
    Bootstrap 7 years

Other skills

  • AWS VPC
    AWS VPC 4 years
  • AWS Kinesis
    AWS Kinesis 3 years
  • Computer Vision 3 years
Lewis

Lewis D.

Spain

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Selected experience

Employment

  • Chief Product and Technical Officer

    Isleño Island Homes - 6 months

    CPTO for a real estate firm specialising in acquiring, renovating, and reselling turnkey properties. Led the end-to-end design and implementation of automated systems to streamline operations across property search, construction, finance, and sales.

    • Defined and implemented a comprehensive automated internal OS, using React, NextJS, and TypeScript, integrating project management, operations, finance, and technology functions into one seamless platform → unified fragmented processes, enabling efficient lead-to-close workflows and multi-tenant scalability.
    • Built an internal LLM chat interface, using Supabase, Langchain and TypeScript, for internal users to assist with their day-to-day tasks → defined and build an automated RAG pipeline, creating triggered embeddings of internal SOPs in a vector DB → created tools for the LLM, integrated with key platforms (Monday, Odoo, Aircall, n8n) so that projected management could be ingested and updated directly from the chat UI.
    • Fully automated finance department processes → reduced average invoice cycle time by over 80% and decreased CFO’s hands-on involvement in payments by 90%, minimizing errors and improving forecasting accuracy.
    • Designed and implemented automated tracking and reporting for over 180 internal KPIs using BigQuery and Looker Studio → provided real-time dashboards for executives and investors, enhancing visibility into property pipelines and performance metrics.
    • Managed migration of all business automations from Make.com to a self-hosted n8n instance → achieved a 97% cost reduction in automation expenses while improving reliability and reducing failure rates from 38-9%.
    • Introduced and championed agile methodologies across all management teams → ensured continuous OS functionality, accurate KPI reporting, and alignment with business targets.
    • Led and mentored a team of 2 engineers (one senior, one junior), implemented pair programming, code reviewing standards, and AI-driven CI/CD best practices.

    Technologies:

    • Technologies:
    • PostgreSQL PostgreSQL
    • Project Management
    • Next.js Next.js
    • Tailwind Tailwind
    • Google Cloud Google Cloud
    • BigQuery BigQuery
    • Odoo Odoo
    • OpenAI API OpenAI API
    • LangChain LangChain
    • Looker Looker
    • Make.com Make.com
    • Supabase Supabase
    • Business Process mapping
    • Process Optimization
    • N8n N8n
  • Lead Software Engineer

    Mat Plus - 11 months

    Served as technical owner for a B2B consumer-loyalty startup’s greenfield mobile platform, reporting to the CEO. Owned architecture, implementation and DevOps for customer-facing mobile app, focussed on customer loyalty and rewards in the supermarket retail space.

    Highlights:

    • Collaborated with CEO to define product roadmap, balance MVP delivery speed with scalability tradeoffs, and align technical milestones with go-to-market timeline.
    • Defined system architecture and tech stack (Node.js, Koa, TsED, React Native, TypeScript, Supabase, AWS) → optimised for startup speed and scalability.
    • Built and launched React Native mobile app and REST API → collaborated directly with CEO to define product roadmap and feature priorities → achieved 17k users and 28M+ data points in the 5 months post-launch.
    • Created CI/CD workflows integrating Copilot reviews, test suites, quality gates, and deployment pipelines.
    • Designed and implemented push notification system.
    • Reverse-engineered undocumented, third-party APIs to enable users to link their supermarket accounts to the app.
    • Implemented an OCR pipeline (via Amazon Extract), to enable data extraction from supermarket receipts.
    • Accepted into SSE Business Labs accelerator.

    Technologies:

    • Technologies:
    • JavaScript JavaScript
    • React.js React.js
    • PostgreSQL PostgreSQL
    • AWS AWS
    • TypeScript TypeScript
    • Node.js Node.js
    • React Native React Native
    • Express.js Express.js
    • Tailwind Tailwind
    • Nest.js Nest.js
    • Koa Koa
    • LangChain LangChain
    • Metabase Metabase
    • Supabase Supabase
  • CTO & Co-founder

    SonX - 2 years 2 months

    • Led the internal tech team, fostering a culture of innovation, collaboration, and excellence in product development.
    • Ensured the delivery of high-quality technology solutions that effectively drove value and revenue for both musicians and fans.
    • Stayed abreast of industry trends and emerging technologies, providing strategic insights and recommendations to maintain a competitive edge.

    Technologies:

    • Technologies:
    • Docker Docker
    • HTML HTML
    • React Native React Native
    • Budget Management
    • Digital strategies
    • Next.js Next.js
    • AWS Kinesis AWS Kinesis
    • Command-line interface
    • SASS SASS
    • CMS
    • AWS CDK AWS CDK
    • Computer Vision
    • Expo Expo
    • Stripe Stripe
    • AWS Amplify AWS Amplify
    • Supabase Supabase
  • Lead Web Developer

    Sony Music Entertainment - 2 years 9 months

    • Collaborated with cross-functional teams to ideate and develop digital solutions for CRM Ops, Marketing Ops, artist websites, and campaign executions.
    • Acted as a liaison between technical and non-technical stakeholders, fostering clear communication and understanding of digital initiatives and requirements.

    Technologies:

    • Technologies:
    • PHP PHP
    • Docker Docker
    • HTML HTML
    • WordPress WordPress
    • Digital strategies
    • WooCommerce WooCommerce
    • Next.js Next.js
    • Command-line interface
    • SASS SASS
    • CMS
    • Computer Vision
    • Webpack Webpack
    • AWS Amplify AWS Amplify
    • Microsoft Dynamics 365 Microsoft Dynamics 365
  • Web Developer

    Baked Agency - 1 year 2 months

    • Acted as a fullstack WordPress specialist, customizing WooCommerce and Formidable Pro to meet client needs effectively.
    • Demonstrated proficiency in daily utilization of Bootstrap, CSS3, and jQuery to ensure responsive and visually appealing web experiences.
    • Engaged in custom WordPress plugins and theme development to tailor solutions to client specifications.
    • Leveraged expertise in the WP API, WP CLI, and Amazon AWS/EC2 server administration to maintain optimal performance and security of web applications.
    • Managed client accounts, including handling cost estimates, setting deadlines, and ensuring client satisfaction throughout the project lifecycle.
    • Maintained a client-facing role, effectively communicating technical concepts and project updates to non-technical stakeholders.

    Technologies:

    • Technologies:
    • PHP PHP
    • HTML HTML
    • WordPress WordPress
    • WooCommerce WooCommerce
    • Command-line interface
    • SASS SASS
    • CMS
  • Web developer

    Authenticated Internet Auctions - 4 months

    • Managed the overall website, ensuring optimal user experience and functionality to maintain the market-leading position of the online auction house;

    • Developed and implemented an in-house technology strategy to support the organization's objectives and enhance its competitive edge;

    • Oversaw the execution of live video auctions, coordinating real-time bidding processes and ensuring seamless delivery to users;

    • Led efforts to provide 360° photographic content, catering to the preferences of the ABC1 user demographic and enhancing engagement;

    • Collaborated with cross-functional teams to continuously improve website features, usability, and performance;

    • Stayed abreast of industry trends and emerging technologies to inform strategic decision-making and maintain innovation within the online auction platform.

    Technologies:

    • Technologies:
    • PHP PHP
    • HTML HTML
    • WordPress WordPress
    • WooCommerce WooCommerce
    • CMS
    • Chart.js Chart.js
  • Web Developer

    Freelance - 1 year 6 months

    • Specialized as a freelance web and graphic designer, focusing on e-commerce and seamless integration with social media platforms;

    • Provided a range of services including logo design, social media and marketing strategy development, e-mail design, web hosting, web mastering, typographical design, and client education;

    • Collaborated closely with clients to understand their unique needs and deliver tailored design solutions that aligned with their brand identity and goals;

    • Implemented effective e-commerce solutions, ensuring smooth transactions and user experiences for online shoppers;

    • Integrated social media functionalities seamlessly into websites to enhance engagement and expand online reach;

    • Developed visually appealing and functional websites, leveraging expertise in HTML5, CSS3, and JavaScript to create responsive designs across various devices;

    • Provided ongoing support and maintenance for websites, ensuring optimal performance and security;

    • Educated clients on best practices in web design, social media integration, and online marketing strategies to empower them to effectively manage their online presence.

    Technologies:

    • Technologies:
    • PHP PHP
    • CakePHP CakePHP
    • Docker Docker
    • HTML HTML
    • React Native React Native
    • WordPress WordPress
    • Magento Magento
    • Next.js Next.js
    • Svelte Svelte
    • AWS Beanstalk AWS Beanstalk
    • Command-line interface
    • SASS SASS
    • Adobe Dreamweaver Adobe Dreamweaver
    • Azure ML Azure ML
    • Adobe Flash Adobe Flash
    • Machine Learning Machine Learning
    • CMS
    • AWS ECR AWS ECR
    • Chart.js Chart.js
    • Expo Expo
    • Stripe Stripe
    • LangChain LangChain
    • Supabase Supabase
  • Founder

    BlagSound - 4 years 3 months

    • Founded a music website, taking on multifaceted responsibilities including web design and development, social media strategy development, and digital design;

    • Managed data capture and mailing list management processes, ensuring effective communication with website subscribers;

    • Engaged in copywriting and content creation to produce engaging and informative articles, reviews, and features for the website;

    • Sourced and managed a team of contributors, overseeing content creation and ensuring alignment with the website's vision and standards;

    • Cultivated and maintained relationships with music PR contacts, facilitating access to new releases, interviews, and promotional opportunities;

    • Covered live events, providing comprehensive event coverage through articles, photos, and social media updates;

    • Conducted interviews with musicians, providing insightful content for the website's audience and enhancing its reputation as a source of music industry insight.

    Technologies:

    • Technologies:
    • PHP PHP
    • HTML HTML
    • WordPress WordPress
    • WooCommerce WooCommerce
    • CMS

Education

  • BSc.Digital Communication and Media/Multimedia

    Amersham & Wycombe College · 2007 - 2009

Portfolio

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