Declan Merry
@declanmerry
Backend engineer specializing in Go, microservices, and high-volume distributed systems.
United KingdomWhat I'm looking for
I am a backend software engineer with 10 years' experience building and supporting distributed systems, legacy infrastructure, microservices and high-volume data processing in mission-critical, regulated environments.
I am strong in Go, C# and SQL, with a track record of delivering reliable, scalable and well-engineered solutions under time pressure. I regularly design, build and migrate services, and write database procedures to support end-to-end changes.
I have broad operational experience: CI/CD pipeline management, automation, debugging complex data issues, performance optimisation and participating in on-call rotations providing 24/7 support. I work effectively with cross-functional teams, test and project managers, and end users to ensure clear requirements and smooth deployments.
My background includes building Golang microservices communicating via Kafka, migrating legacy C# tools, supporting Windows and Linux environments, and producing bespoke reporting and data-change solutions in regulated pharmaceutical and warehouse systems.
Experience
Work history, roles, and key accomplishments
Developed and migrated legacy C# tools into Go microservices, built Golang services communicating via Kafka, and deployed updates across Windows and Linux using Jenkins pipelines; participated in on-call rotations and reduced cross-service incidents through robust CI/CD and code reviews.
Software Engineer
Perceptive
Feb 2019 - Nov 2022 (3 years 9 months)
Delivered SQL and C# solutions for pharmaceutical clients, executed high-impact live database change requests, and produced bespoke reports while coordinating with Project and Study Managers to meet strict regulatory and timing requirements.
Software Engineer
Witron
Jan 2016 - Feb 2019 (3 years 1 month)
Supported and enhanced software for a 24-hour automated warehouse, delivered zero-downtime releases, optimized receiving/distribution processes, and resolved anomalous data issues while providing overnight on-site support.
Support Analyst
Boots
Jan 2014 - Dec 2016 (2 years 11 months)
Provided WebSphere middleware support for multiple teams, managed escalation and prioritisation for critical business processes, and led reporting and cross-team incident resolution during high-severity events.
Education
Degrees, certifications, and relevant coursework
University of Aberdeen
Computing Science
2008 - 2011
Completed a Computing Science degree focusing on core computer science principles and software development practices.
Availability
Location
United KingdomAuthorized to work in
Job categories
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