David Leonard-Scully // TLDR:

I am a hands-on Solutions Engineer, Developer and Marketing Consultant.

Experienced
Solutions
Engineer

Hire me

About Me

Fourteen years experience across marketing, solutions engineering & replatforming. I have degrees in Business, E-Commerce & Psychotherapy and Counselling. I enjoy customer facing work and assisting customers bridge the commercial and technical gaps.

500+Replatforming Projects

14years working in Tech and Marketing

88 years SE/SA Experience

3Bachelors & postgraduate degrees

14+ years,
4 phases

During each phase of my career I expanded my interest in technology. I began as a junior SEO and social media exec in recruitment, moved from front-end to full stack and developed strategic communication skills.

Phase

20122014201620182020202220242026

RecruitmentBoolean search, headhunting, content management and ATS support.

2012 to 2013

Junior online marketingSocial and search campaigns, analytics, technical SEO and basic front-end development.

2014 to 2018

Senior SEO and web developmentContent Development, client side experience and hands on full-stack web development.

2018 to 2020

Technical ConsultingPredominantly CMS Solutions engineering, migrations & onboarding with implementation projects spanning CMS, CRM and Marketing & Sales at HubSpot. With strong results.

2020 to present Now

I have also 1 year of team leadership and 3 years of mentoring experience with HubSpot as a team lead for EMEA and JAPAC. I won a Global Top Performing in Customer Success for Professional Services in 2022. I graduated from the emerging leaders programme. I also expanded our teams offerings and implemented the framework to facilitate high value Solutions Architecture consulting through customer escalations and proactive engagement with customer success and sales teams.

What I do

Project Management

Managing projects from discovery to launch

Many years of diverse experience running migrations, digital campaigns, and implementation projects with SMEs and multinational conglomerate companies.

Data and migration

Setting the record straight

I've 10+ years in data and content management and migration. From Humble SEO beginnings to shipping distributed systems to EU datacentres.

Solutions Consulting

Bridging gaps and building understanding

I work collaboratively with all stakeholders to understand the system and work towards prioritising and realising goals.

Tooling and automation

Automate the boring stuff

I have implemented and created tools to help me, my team and my customers to work more effectively.

Selected work & personal projects

Anonymised client projects, personal projects and experiments. All available in Github (where applicable)

Michael the
Magnificent

The AI fortune teller app collects your date of birth with a form against a list of birthday ranges to get the Zodiac sign. Michael gives you a horoscope. Uses Flask, SQLite3 and Claude Message API and a simple design provided by Claude.

Personal event reminders

I have created a Node.JS app that integrates Twilio and HubDB API. The app runs a cron so that I get an SMS text every morning to help me keep track of important events like birthdays and anniversaries.

HubSpot CMS for Developers II

A very simple HubSpot theme that teaches you about HS CLI, file system, grid system, drag and drop, WCAG compliance and Lighthouse Web Performance Metrics.

"What do your colleagues and customers say about you?"

Let me show you

He was able to identify immediately that a roadblock was a gap in our functionality and provide the recommended solution and code immediately. If not, I would have required hours of testing to just confirm the issue before even being able to confirm an answer.

Principal Technical Consultant
Your presentation was a real turning point in our relationship with this client, and we are all extremely grateful to you for it. You knew how to show empathy while preventing emotional frustrations from taking over.

Customer Success Team Lead
He has been very solution-oriented in his approach to creating a smooth transition of a very large website. Thanks David, you've been essential to driving home the sale for an important customer.

Corporate Account Executive
My partner found the session incredibly valuable. It gave them a much greater insight into our re-platforming process and greater confidence in how this has evolved over the years.

Senior Partner Development Manager
He has managed a difficult balance of solving for the customer whilst retaining HubSpot's resources for their intended use… without any compromise on service delivery to this specific client.

Customer Success Manager
His knowledge and assistance has helped me both save and grow my customers on multiple occasions.

Strategic Customer Success Manager
You went above and beyond, and I truly believe your outstanding efforts will help us save this customer.

Principal Customer Success Manager
He has incredible leadership and analytical skills. He was team lead at the time and I can honestly say that I don't know how he managed to be amazing at both roles at the same time but he definitely did.

Senior Customer Success Manager
David has been an incredible mentor, his highly technical knowledge combined with strong coaching and leadership skills make him an Outstanding Professional!

Replatforming Specialist
I would like to take a moment to thank David for his thoughtful and directorial help to get his and my teams fully aligned in nearly no time flat.

Lead Corporate Account Executive
I'm pretty sure that he has a lot on his plate as a new team lead, but he definitely treated me with empathy even through my last week at HubSpot.

Senior Replatforming Specialist
Aside from his undoubted technical skills, David has demonstrated tremendous empathy in dealing with the customer (and me!) by focusing on the challenge from their perspective.

Customer Success Manager
David has been in HubSpot mere weeks and I have never seen someone hit the ground running so fast — in any job, ever.

Technical Consultant
[T]alking to you gave me insights that I would not have gotten from our current documentation. You were a big help.

Technical Consultant
The customer was super happy with your assistance and they told me you were excellent…

Senior Onboarding Specialist
When you chat with David you get the feeling he is really interested in what you are saying… He goes out of his way to check in with the folks around him.

Senior Technical Consultant

FAQs

Both. I am open to FTC work. I predominantly work permanent and in Dublin.

Dublin 15. Accessible to the city centre. I am also set up for working from home 100% and have a full clean drivers license. Open to travelling if required.

I am a dedicated life time learner. I have a Masters Degree in eCommerce from DCU, a Post Grad Diploma in psychotherapy from Dublin Business School and many certifications mostly in tech and analytics. I speak conversational Italian and currently studying for a Certificazione di Italiano come Lingua Straniera. Livello C1 exam takes place in December, 2026

I am at my happiest when I am working with a multi-disciplinary team helping to solve complex issues. I hope to continue to build on my tech abilities in solutions engineering. I am also interested in developing leadership skills.