Creating Digital Tools for Every Business

Streamline workflows, cut costs, and unlock growth with custom computing solutions tailored to your unique challenges.

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CalloutPro – Our Latest Project

A platform helping trades, technicians, and field service teams streamline scheduling, dispatching, asset tracking, and customer communication.

Robert BrennanDàire Reynolds
Founders & Vision

R & D Digital Systems aims to modernize traditionally low-tech industries with accessible, powerful digital tools.

Consulting

Specialized services including automation, process optimization, private LLM setups, and workflow integrations for small to medium businesses.

What Our Colleagues Say

Testimonials from professionals who have worked with our team.

"Robert combines strong technical skills with a practical, collaborative mindset. He’s someone who brings clarity, confidence, and calm to complex situations, and working with him always felt productive and straightforward."

Stephen O'Kennedy

Principal Data Engineer

"He is a talented, hardworking and diligent engineer who gets along with his colleagues. He has converted his skills into competencies becoming a truly professional engineer. I have no hesitation in recommending Robert."

James Ryle, PhD

RD&I Specialist Consultant

"Bobby combines strong technical ability with a collaborative mindset, always helping the team move efficiently toward the right solutions. His calm leadership and clear communication made complex work feel manageable and productive."

Harvey Picot

Manufacturing, Quality & Test Engineer

"Rob is excellent at turning complex problems into clear plans and communicating them effectively to both technical and non-technical stakeholders... He brings a great balance of technical depth, leadership, and collaboration."

Patrick Rafferty

Senior Technical Program Manager

"I had the pleasure of working with Bobby at Intel, where he served as a project and technical lead on several high-impact projects. What stood out about Bobby was his ability to combine deep technical expertise with a clear-headed project management style. Whether it was a hardware or software problem that required debugging he is always eager to and highly capable of jumping in to sort it out. He leads by example, setting a high bar for the entire team. I strongly recommend Bobby to any organization looking for a top-tier software developer and/or electrical engineer with outstanding technical and leadership skills."

John Carpenter, PhD

Chemistry specialist challenging and improving AI models

"Having worked with Robert for several years in different engineering fields I can highly recommend him as one of the most professional, dedicated and innovative people I have had the pleasure of working with. His enthusiasm for problem solving, architecting unique solutions and rolling up his sleeves to make it happen was fantastic to see. As a technical lead and project manager working on multiple high profile projects he led his team to hit all demanding milestones on time by dealing with road bumps promptly and leading by example for his team. I would highly recommend Robert to lead any team of advanced technical complexity, his character, optimism and technical leadership make him an essential catalyst in a team."

Conor McNickle

Principal Engineer, Intel