Dave Bitter

Dave Bitter

Senior Front-end Consultant · Developer Advocate · Google Developer Expert for Web · Engineering Manager

About me

I combine deep technical expertise in React.js, Next.js, and TypeScript with people leadership, architecture, and developer advocacy. As a Senior Front-end Consultant, Developer Advocate, Google Developer Expert for Web, and Engineering Manager, I build sophisticated, user-centered web applications while developing high-performing technical teams.

At iO, I lead a department of 35+ seconded consultants, provide strategic career guidance, and help establish technical standards across teams. I also continue to turn complex technical concepts into accessible knowledge through speaking, writing, mentorship, and AI-powered product work that improves how consultants and managers deliver value.

Skill Proficiency

Work Experience

iOAmsterdam, NL
Jun 2021 — Present
Technical LeadEngineering ManagerSenior Front-end ConsultantDeveloper Advocate
Technical Lead — iO ResumatorOct 2025 — Present

Technical Lead on iO Resumator, an internal platform supporting iO's secondment delivery model. Led the evolution of the product from a resume maintenance tool into a broader talent, proposal, and manager enablement platform, driving architecture, AI integration, product quality, and adoption across consultants and managers.

  • Led the platform architecture migration from a React SPA to a unified Next.js App Router architecture, introducing server-side data services, standardized API routes, typed CRUD services, and stronger ownership and security boundaries
  • Built and evolved AI-powered workflows covering resume import with automatic content extraction, translation, motivation writing, vacancy tailoring, resume optimization, interview preparation, and match explanations
  • Optimized AI model usage and costs with usage and cost telemetry, while maintaining stakeholder communication and advocating for product adoption across the organization
  • Developed manager-facing tools including semantic candidate search, the Match Tool, Client Network, resume peek overlays, overview metrics, release notes, AI Costs dashboard, and duplicate resume resolution workflows
  • Improved resume quality and user experience through tailored versions, inline optimizer fixes, profile and image handling, OpenGraph previews, localized UI and content, and better PDF and editor behavior
  • Initiated the RBAC (role-based access control) feature to improve platform usability for large organizations and drive more efficient workflows across iO
  • Hardened delivery quality by expanding Cypress and Vitest coverage, stabilizing flaky end-to-end flows, improving fixture ownership, and accelerating CI/CD with parallel lint, typecheck, test, and deployment pipelines
Engineering ManagerJun 2024 — Present

As Engineering Manager at iO, I lead a department of approximately 35 seconded consultants, focusing on exceeding client expectations while fostering a productive team environment. I am responsible for the professional development of all team members throughout their career journey, while continuing my Developer Advocate role to strengthen the organization's market position.

  • Provided strategic career guidance that resulted in significant professional advancement across the team, including successfully guiding role transitions and supporting specialized technical interests to increase growth
  • Helped team members secure placements at key clients, ensuring successful career progression and client satisfaction
  • Initiated technical standards across campus and developed standardized documentation for critical workflows to improve consistency and efficiency
  • Implemented clear goal-setting frameworks with measurable objectives to track and support team member development
  • Connected different technical teams to enable cross-organizational knowledge sharing and drive innovation across the organization
  • Regularly spoke at conferences, wrote for the company technical blog, and organized industry meetups to create valuable business opportunities across multiple sectors
Senior Front-end Consultant — ANWBJun 2021 — Aug 2024

I contributed to the ANWB Design System - Poncho as a member of the Design System team, supporting over 60 developers and 40 designers across more than 100 web applications. My work focused on delivering architectural solutions and providing reliable support to front-end developers throughout the organization.

  • Established a new way of working between development and design teams for design tokens through the Design System, requiring both technical expertise and stakeholder management
  • Provided major architectural solutions for the organization, playing an essential role in any significant change to ANWB's development processes as they all originated with Poncho
  • Leveraged soft skills to align and gain buy-in from all stakeholders while simultaneously developing technical solutions to support organizational initiatives
  • Served as a dependable support system to all front-end developers at ANWB, addressing questions about Poncho and providing guidance on development decisions
  • Operated in versatile roles spanning technical, business-focused, and related areas to ensure successful implementation of the Design System across the organization
MirabeauAmsterdam, NL
Jul 2018 — Jun 2021
Senior Front-end DeveloperMedior Front-end Developer

I served as a Senior Front-end Developer at Mirabeau, building interactive web applications and front-end component libraries using React.js and Next.js. I took on multiple roles including visual designer, interaction designer, back-end developer, and DevOps engineer, actively participating in the design and development process from start to finish.

  • Developed interactive web applications using React.js and Next.js, handling both front-end and back-end development responsibilities
  • Built component libraries using HTML, CSS (SASS), and vanilla JavaScript for use by development teams and standalone websites
  • Acted as a bridge between design, front-end, and back-end teams, serving as a valuable point of contact for various stakeholders through strong communication abilities and natural confidence
  • Led knowledge sharing initiatives including code reviews, presentations, articles, guest lectures, workshops, and meetups
  • Coached front-end developers of all seniority levels, helping them grow in a meaningful way
ViriCitiAmsterdam, NL
Aug 2016 — Jul 2018
Front-end Developer

I was responsible for designing and building interactive real-time front-end data visualization and monitoring applications for electric vehicles and charging stations at ViriCiti, serving as a full-stack developer handling front-end development, visual design, interaction design, back-end development, and DevOps engineering.

  • Built interactive web applications using React.js and Node.js, maintaining sole responsibility for the entire design and development process
  • Created user experience and visual designs for real-time data visualization applications, defining an overall visual style for all products
  • Conducted user interviews and tests to inform design decisions and ensure applications met user needs
  • Designed components and worked on visual explorations to establish a cohesive design system across the product suite
  • Collaborated closely with the back-end team for a significant portion of the role to ensure seamless integration between front-end and back-end systems
WallscopeEdinburgh, UK
May 2017 — Jun 2017
Front-end Developer

Completed a short-term academic project for Wallscope and the NHS, focusing on developing a linked data visualization solution to improve healthcare data accessibility and interpretation.

  • Worked with SPARQL Query Language to query and retrieve linked data from healthcare databases
  • Implemented RDF (Resource Description Framework) to structure and represent healthcare data relationships
  • Applied natural language processing techniques to enhance data interpretation and user interaction
  • Contributed to the development of visualization tools that made complex NHS linked data more accessible and understandable
  • Gained hands-on experience with semantic web technologies in a real-world healthcare context
CohereAmsterdam, NL
May 2016 — Aug 2016
Front-end Developer

During my internship at Cohere, I developed an interactive front-end application for visualizing real-time energy data, including energy use, generation metrics, and electric vehicle charging information.

  • Built front-end components and functionalities for the energy data visualization platform
  • Served as front-end developer, visual designer, interaction designer, and back-end developer across multiple aspects of the project
  • Designed and implemented the user interface to display real-time energy consumption and generation data
  • Developed features to integrate and visualize electric vehicle charging data within the platform
  • Applied full-stack development skills similar to previous roles at ViriCiti and Mirabeau to deliver a comprehensive solution

Education

Amsterdam University of Applied SciencesAmsterdam, NL
Sep 2014 — Aug 2018
BASc Communication and multimediadesignCum Laude

I graduated cum laude on Communication and Multimediadesign with full marks (10) on an interactive real-time data visualization application on charge station monitoring. I created an application flow and interactive dashboard application as part of my project.

Amsterdam University of Applied SciencesAmsterdam, NL
Feb 2017 — Jul 2017
Minor web development

I followed the minor web development, which was completely focused on developing for the web. During this minor, I took courses in real-time web, browser technologies, web performance, single-page applications, and more.