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Liam Treacy

Senior Software Developer
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Profile

Liam is a Senior Software Developer at Opencast. He has a background working in a range of industries including public sector, geo-science, telecoms and embedded systems.

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Blog post

Abstract close-up of tangled, translucent white strands layered densely across the frame, with fine threads overlapping and small points of light reflecting off the surfaces, creating a soft, icy-blue, textured appearance.
Managing Legacy Systems: Navigating Complexity with Practical Recommendations

Modifying legacy systems presents real challenges. Whether its an unfamiliar code base, disregarded business logic which controls the flow of the application, or other aspects of an ageing system such as outdated norms, practices and repository structures. Senior Software Engineer Liam Treacy explores techniques and strategies which make the task easier.

Software Development

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IT Architecture

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Product & Delivery

A person shown from the chest up, wearing a light-colored button-down shirt with an open collar, standing against a plain, light-colored wall. The image is evenly lit with a neutral indoor background and no visible objects or text.

Read more

Blog post

Abstract close-up of tangled, translucent white strands layered densely across the frame, with fine threads overlapping and small points of light reflecting off the surfaces, creating a soft, icy-blue, textured appearance.
Managing Legacy Systems: Navigating Complexity with Practical Recommendations

Modifying legacy systems presents real challenges. Whether its an unfamiliar code base, disregarded business logic which controls the flow of the application, or other aspects of an ageing system such as outdated norms, practices and repository structures. Senior Software Engineer Liam Treacy explores techniques and strategies which make the task easier.

Software Development

|

IT Architecture

|

Product & Delivery

A person shown from the chest up, wearing a light-colored button-down shirt with an open collar, standing against a plain, light-colored wall. The image is evenly lit with a neutral indoor background and no visible objects or text.

Read more

What we do

DevOps, cloud and platform engineering

Architecture

User-centred design

Data

Software, digital & technical delivery

Legal

Terms and conditions

Privacy policy

Modern slavery statement

Cookie Policy

Company

Careers

Contact

Get in touch

© Opencast 2026

Registered in England and Wales

What we do

DevOps, cloud and platform engineering

Architecture

User-centred design

Data

Software, digital & technical delivery

Legal

Terms and conditions

Privacy policy

Modern slavery statement

Cookie Policy

Company

Careers

Contact

Get in touch

© Opencast 2026

Registered in England and Wales

What we do

DevOps, cloud and platform engineering

Architecture

User-centred design

Data

Software, digital & technical delivery

Legal

Terms and conditions

Privacy policy

Modern slavery statement

Cookie Policy

Company

Careers

Contact

Get in touch

© Opencast 2026

Registered in England and Wales