Beyond the Code:
Designing Services That Stand the Test of Time
Wednesday, 4th February 2026
St Aldates Tavern, 108 Saint Aldate's, Oxford @ 6pm
As software engineers, it’s easy to get lost in the excitement of implementing clever business logic: the algorithms, the workflows, the elegant domain models. But the success (or failure) of a service rarely hinges on its core logic alone. What really separates a fragile prototype from a resilient, scalable system is everything that happens around that logic: the invisible scaffolding that shapes how a service behaves, communicates, and recovers when things go wrong.
In this session I’ll explore the often-overlooked aspects of building robust services. The decisions that make the difference between smooth operations and painful refactors months down the line. I’ll unpack how thoughtful design choices early on can pay dividends in maintainability, observability, and security later. Whether you’re building your first microservice or managing an ecosystem of services, you’ll leave with practical ideas for designing services.
Key Takeaways:
In this session I’ll explore the often-overlooked aspects of building robust services. The decisions that make the difference between smooth operations and painful refactors months down the line. I’ll unpack how thoughtful design choices early on can pay dividends in maintainability, observability, and security later. Whether you’re building your first microservice or managing an ecosystem of services, you’ll leave with practical ideas for designing services.
Key Takeaways:
- Why the non-domain aspects of a service are often what determine its long-term success
- How to think holistically about design, structure, and reliability
- Strategies for evolving your services without introducing chaos
Paul Grenyer
Husband, father, software engineer, metaller, I have been writing software for over 40 years and professionally for more than 25. In that time I have worked for, and in, all sorts of companies from two man startups to world famous investment banks and insurance companies. I have built and run three limited companies, none of which made me a millionaire and two of which threatened my sanity on more than one occasion.
I was a founding member of both SyncNorwich and Norfolk Developers, two of the most successful tech and startup community groups in the East of England. I created and chaired the hugely successful Norfolk Developers Conference (nor(DEV):con) for seven years bringing in speakers and delegates in the sphere of software engineering from around the globe.
I am currently a Software Engineering Team Lead at Bourne Leisure, the owners of Haven holiday parks. I loathe the word Entrepreneur, not least because I struggle to spell it and it reminds me of Del Boy from the 80s sitcom Only Fools and Horses. I see Entrepreneurship as a side effect of the creative process of problem solving, rather than a career path in its own right.
Despite having dealt with the world of business from directors of the board down, I have kept both feet firmly on the ground, even when my head has been in the clouds, with healthy doses of Heavy Metal, Science Fiction and Formula One and long hair until it started falling out in 2013.
Now I can add author to the mix, having written my first book, So You Think You Can Lead a Team?, based on 25 years of lessons, mistakes, and unexpected leadership journeys.
Oh, and I love good tea too!
I was a founding member of both SyncNorwich and Norfolk Developers, two of the most successful tech and startup community groups in the East of England. I created and chaired the hugely successful Norfolk Developers Conference (nor(DEV):con) for seven years bringing in speakers and delegates in the sphere of software engineering from around the globe.
I am currently a Software Engineering Team Lead at Bourne Leisure, the owners of Haven holiday parks. I loathe the word Entrepreneur, not least because I struggle to spell it and it reminds me of Del Boy from the 80s sitcom Only Fools and Horses. I see Entrepreneurship as a side effect of the creative process of problem solving, rather than a career path in its own right.
Despite having dealt with the world of business from directors of the board down, I have kept both feet firmly on the ground, even when my head has been in the clouds, with healthy doses of Heavy Metal, Science Fiction and Formula One and long hair until it started falling out in 2013.
Now I can add author to the mix, having written my first book, So You Think You Can Lead a Team?, based on 25 years of lessons, mistakes, and unexpected leadership journeys.
Oh, and I love good tea too!
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