10/21/2026 updated
100 % available
Technical Business Analyst | Legacy Application Analysis & Modernisation
Witney, United Kingdom
United Kingdom
MBCS (Member of the British Computer Society)About me
I am one of the fortunate people who genuinely enjoys what they do. Known for my infectious enthusiasm, I have built broad experience across multiple IT disciplines and a proven ability to learn quickly, adapt rapidly, and contribute effectively in diverse environments.
Adaptable Database SystemsData AnalysisApplication Integration ArchitectureApplication Lifecycle ManagementAtlassian JiraBusiness AnalysisTechnical AnalysisStatic Program AnalysisSystems AnalysisLog AnalysisLegacy System Migration WorkbenchRequirements AnalysisSoftware Requirements AnalysisSystems IntegrationUsage Analysis
Legacy Application Analysis & Modernisation
Deep expertise in analysing complex legacy applications, interfaces, data structures and processing rules. Proven track record in translating findings into clear requirements, mappings and practical delivery options, including work on Police National Computer modernisation and ADABAS/Natural environments.
Technical Requirements & Systems Modelling
Strong capability in requirements discovery, functional specifications, process and systems modelling, data flows, source-to-target mapping, interfaces, integration dependencies, exception handling and business rules. ISEB Systems Modelling Techniques certified.
Data Replication, Integration & Kafka
Hands-on experience in data replication between legacy and new environments, mapping legacy ADABAS data into Kafka topics, investigating dependencies and supporting migration and transition within government and commercial contexts.
SQL & Database Knowledge
Working knowledge of SQL, including writing and interpreting queries to support data analysis and requirements work across multiple projects.
Agile Delivery & Jira
Practical experience with Agile working methods, including defining epics, user stories, acceptance criteria, sprint planning and stakeholder workshops using Jira.
UAT & Software Testing
Experience supporting user acceptance testing, acceptance criteria definition and cross-team coordination. Holds ISEB Software Testing Foundation and Intermediate certifications.
Mainframe & Unix Environments
Familiarity with mainframe and Unix environments, including ADABAS/Natural, supporting legacy system analysis and migration activities.
UML & Process Modelling
Previous UML experience and ISEB systems-modelling training, applied to process and systems modelling across government and commercial projects.
Natural & EntireX (Software AG)
Certified Natural 8 Application Developer with advanced Natural and EntireX knowledge, including DevOps integration. Holds SoftwareAG trainer certification.
Stakeholder Engagement & Technical Communication
Skilled at bridging business users, developers, architects and operational teams. Experienced in explaining complex system behaviour and integration issues to diverse stakeholder groups and delivering technical training and coaching.
Deep expertise in analysing complex legacy applications, interfaces, data structures and processing rules. Proven track record in translating findings into clear requirements, mappings and practical delivery options, including work on Police National Computer modernisation and ADABAS/Natural environments.
Technical Requirements & Systems Modelling
Strong capability in requirements discovery, functional specifications, process and systems modelling, data flows, source-to-target mapping, interfaces, integration dependencies, exception handling and business rules. ISEB Systems Modelling Techniques certified.
Data Replication, Integration & Kafka
Hands-on experience in data replication between legacy and new environments, mapping legacy ADABAS data into Kafka topics, investigating dependencies and supporting migration and transition within government and commercial contexts.
SQL & Database Knowledge
Working knowledge of SQL, including writing and interpreting queries to support data analysis and requirements work across multiple projects.
Agile Delivery & Jira
Practical experience with Agile working methods, including defining epics, user stories, acceptance criteria, sprint planning and stakeholder workshops using Jira.
UAT & Software Testing
Experience supporting user acceptance testing, acceptance criteria definition and cross-team coordination. Holds ISEB Software Testing Foundation and Intermediate certifications.
Mainframe & Unix Environments
Familiarity with mainframe and Unix environments, including ADABAS/Natural, supporting legacy system analysis and migration activities.
UML & Process Modelling
Previous UML experience and ISEB systems-modelling training, applied to process and systems modelling across government and commercial projects.
Natural & EntireX (Software AG)
Certified Natural 8 Application Developer with advanced Natural and EntireX knowledge, including DevOps integration. Holds SoftwareAG trainer certification.
Stakeholder Engagement & Technical Communication
Skilled at bridging business users, developers, architects and operational teams. Experienced in explaining complex system behaviour and integration issues to diverse stakeholder groups and delivering technical training and coaching.
Experience
Professional experience10+ years
Freelancer since2024
Languages
EnglishNative speaker
Project history
Analysed source and target data structures and mapped legacy ADABAS data into Kafka topics for system modernisation project. Implemented data replication between legacy and new environments, investigating dependencies and supporting migration and transition. Investigated technical and operational issues affecting critical legacy services, assessing root causes, options, risks, capacity and service-continuity implications. Worked with technical and operational teams to communicate findings and support decisions within government security and governance constraints.
Worked with customers on legacy modernisation and rehosting, conducting technical discovery of application behaviour, interfaces, dependencies, constraints and migration options. Produced technical assessments and scoping material to inform transformation decisions; participated in a joint AWS/Software AG workshop SAG client. Explained complex system behaviour and integration issues to customer stakeholders and technical teams; delivered technical training and coaching.
Translated operational and regulatory water-safety needs into requirements for a digital monitoring service, linking sensor data with alerts, breaches, tasks and audit trails. Analysed end-to-end workflows, including manual interventions and exception paths, and coordinated delivery with a distributed technical team.